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Небесная энциклопедия

Космические корабли и станции, автоматические КА и методы их проектирования, бортовые комплексы управления, системы и средства жизнеобеспечения, особенности технологии производства ракетно-космических систем

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Мониторинг СМИ

Мониторинг СМИ и социальных сетей. Сканирование интернета, новостных сайтов, специализированных контентных площадок на базе мессенджеров. Гибкие настройки фильтров и первоначальных источников.

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13-09-2012 дата публикации

Female loop portion having film and filaments anchored by heat-shrinking

Номер: US20120231208A1

Автор: Anthony Mahe, Jean-Pierre Ducauchuis

Принадлежит: Aplix SA

A female loop portion for a hook and loop self-adhesive, comprising a film ( 1 ) made of at least one thermoplastic and a plurality of filaments ( 2 ) which are separate from one another and attached to one of the surfaces of the film, each filament comprising a series of fastening sections ( 15 ) and a series of loop sections ( 4 ) alternating with the fastening sections, the filaments being attached to the film along the fastening sections while the loop sections are at a distance from the film so as to form loops, and characterized in that a cross-sectional area of one loop section of a filament is less than a cross-sectional area of one fastening section of said one filament.

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Номер записи: 1

13-12-2012 дата публикации

System and Method For Layerwise Production of A Tangible Object

Номер: US20120313294A1

Автор: Adrianus Johannes Petrus Maria Vermeer, Andries Rijfers, Brian Bauman, Herman Hendrikus Maalderink, Jacobus Hubertus Theodoor Jamar, Mark Herman Else Vaes, Richard Thomas

Принадлежит: DSM IP ASSETS BV

A system and method for layer-by-layer production of an object is provided. The system includes a construction shape having a carrying surface adapted for carrying a layer of build material, a plate having a holding surface adapted for holding an object in an object build area, a moveable reservoir having a plurality of containment surfaces defining a containment area adapted for containing a volume of build material within the moveable reservoir, and an exposure unit adapted for exposing at least a portion of the layer of build material in the object build area so that the portion of the layer of build material solidifies to form a solidified layer of the object.

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Номер записи: 2

10-01-2013 дата публикации

Active energy ray-curable resin composition, and production method for products with surfaces of fine concave-convex structures

Номер: US20130011572A1

Автор: Eiko Okamoto, Satoru Ozawa, Tadashi Nakamura, Tetsuya Jigami, Yusuke Nakai

Принадлежит: Mitsubishi Rayon Co Ltd

The present invention relates to a production method for a product having a cured resin layer with a fine concave-convex structure formed on the surface of a substrate, the method including filling the space between a mold having a fine concave-convex structure composed of anodized alumina on the surface and a substrate with an active energy ray-curable resin composition, and curing the composition by irradiation with active energy rays, thereby forming a cured resin layer into which the fine concave-convex structure has been transferred on the surface of the substrate, wherein (A) the method includes treating the surface of the mold with a release agent, at least at transfer initiation, and (B) the active energy ray-curable resin composition includes a polymerizable compound, a polymerization initiator and a (poly)oxyethylene alkyl phosphate ester compound.

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Номер записи: 3

14-02-2013 дата публикации

Lens Array Production Method and Laminated Lens Array Production Method

Номер: US20130037976A1

Автор: Masashi Saito, Takaichi Hayashida

Принадлежит: Individual

A method of manufacturing a lens array includes the steps of feeding a first curable resin between a first array mold and a plate member and curing the first resin; separating the plate member from the first array mold; feeding a second curable resin between the first array mold and a second array mold while leaving the cured first resin on the first array mold, and curing the second resin; and removing the first array mold and the second array mold.

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Номер записи: 4

28-11-2013 дата публикации

Apparatus for producing optical fiber, method for producing optical fiber, and optical fiber produced by method

Номер: US20130315553A1

Автор: Hitomi Omae, Masaki Takebe, Shinji Syuto, Tomoaki Mahiko, Yoshinori Funaki

Принадлежит: Daicel Corp

An apparatus produces an optical fiber by applying light to a photocurable composition and thereby curing the composition. The apparatus includes a nozzle for discharging the photocurable composition; a light irradiator for applying light to the fibrous photocurable composition discharged from the nozzle; and a controller that controls a light irradiation intensity at the nozzle orifice to 0.2 mW/cm 2 or less. The nozzle is preferably a double-tube nozzle having an outer tube; and an inner tube arranged inside the outer tube.

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Номер записи: 5

06-02-2014 дата публикации

Apparatus and method for curing materials with radiation

Номер: US20140038125A1

Автор: Joseph N. Logan, Raymond L. Knox

Принадлежит: Kerr Corp

An instrument for curing light-curable compounds curable in the mouth of a patient, including a housing including a handle portion and a barrel portion removably secured with respect to the handle portion. A plurality of solid state, light-emitting semiconductor junction elements form an array on a substrate, and collectively emit light having wavelengths within a narrow band of wavelengths suitable for curing a compound. The array of light-emitting elements are positioned proximate to the distal end of the barrel portion, and an elongated heat-conducting element extends from the distal end of the barrel portion toward the proximal end for conducting heat away from the array. A generally clear layer extends on the substrate and over the plurality of light-emitting semiconductor junction elements, and a non-imaging optical focusing device is positioned at the distal end of the barrel portion to collimate the emitted light.

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Номер записи: 6

03-01-2019 дата публикации

METHOD AND SYSTEM FOR ADDITIVE-ABLATIVE FABRICATION

Номер: US20190001580A1

Автор: Gilan Ziv, Zenou Michael

Принадлежит: IO Tech Group Ltd.

A system of solid free form fabrication (SFF) is disclosed. The system comprises: receiving SFF data collectively pertaining to a three-dimensional shape of the object and comprising a plurality of slice data each defining a layer of the object. The system also comprises, for each of at least a few of the layers, dispensing a building material on a receiving medium, straightening the building material, and selectively ablating the building material according to respective slice data. 1. A system for solid free form fabrication (SFF) , the system comprising:an input for receiving SFF data, collectively pertaining to a three-dimensional shape of the object, said SFF data comprising a plurality of slice data each defining a layer of the object;a dispensing head configured for dispensing a building material;a leveling device for straightening said building material;an ablation system; anda controller for controlling said ablation system to selectively ablate said building material, for each of at least a few of said layers, according to slice data corresponding to said layer.2. The system according to claim 1 , further comprising at least one additional dispensing head configured for dispensing at least one additional building material onto said building material claim 1 , to fill vacant regions formed in said layer by said selective ablation claim 1 , wherein a resolution of said dispensing of said additional building material is less than a resolution of said selective ablation.3. The system according to claim 2 , wherein said additional building material is curable claim 2 , and said controller is configured to operate said ablation system also for at least partially curing said additional building material.4. The system according to any of claim 2 , wherein said controller is configured for operating said ablation system to remove a debris deposition of said additional building material on non-vacant regions.5. The system according to any of claim 2 , wherein said ...

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Номер записи: 7

03-01-2019 дата публикации

HEATING SYSTEM FOR COMPOSITE REWORK OF AIRCRAFT

Номер: US20190001594A1

Автор: Meredith Kimberly D., Safai Morteza

Принадлежит:

A method and apparatus comprising a laser unit and a controller. The laser unit is configured to generate a number of laser beams. The controller is configured to operate the laser unit to generate the number of laser beams resulting in a desired level of heating of a composite patch that cures the composite patch on a composite structure. 115-. (canceled)16. A method for curing a composite patch on a composite structure , the method comprising:attaching a rework system to a location on the composite structure comprising the composite patch;receiving, in a controller configured to operate a laser unit, rework information for generating commands for selecting and transmitting, from the laser unit, a wavelength and intensity required to pass through a vacuum bag with a vacuum applied to the vacuum bag and cause a desired level of heating of the composite patch, within the vacuum bag, for each step needed to cure the composite patch on the composite structure, while avoiding overheating a fiber in the composite patch; andoperating the rework system, controlling the laser unit, a number of laser beams resulting in the desired level of heating of the composite patch that cures the composite patch on the composite structure.17. The method of claim 16 , wherein the operating step comprises:identifying parameters for operating the rework system to generate the number of laser beams resulting in the desired level of heating of the composite patch that cures the composite patch on the composite structure; andoperating the rework system using the parameters identified to generate the number of laser beams resulting in the desired level of heating of the composite patch that cures the composite patch on the composite structure.18. The method of claim 17 , wherein the operating step further comprises:monitoring heating of the composite patch during operation of the rework system using the parameters identified to generate the number of laser beams resulting in the desired level ...

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Номер записи: 8

07-01-2016 дата публикации

METHODS FOR MAKING ELASTOMERS, ELASTOMER COMPOSITIONS AND RELATED ELASTOMERS

Номер: US20160002497A1

Автор: DVORCHAK Michael, GAMBINO Charles, JEFFRIES Michael, Mebane Christine, SHAFFER Myron

Принадлежит:

Methods of producing an elastomer are disclosed that include (I) applying an actinic radiation curable composition preferably selected from a urethane (meth)acrylate, an allophanate urethane (meth)acrylate or a lactone-containing (meth)acrylate to a substrate at a thickness of at least 0.25 mm (10 mils); (II) exposing the composition ultraviolet radiation to produce a cured film; and (III) removing the film from the substrate. Related compositions are also disclosed. 2. The method of claim 1 , wherein the composition comprises: (1) a urethane (meth)acrylate polymer which is a reaction product of a composition comprising:', '(i) an organic polyisocyanate,', '(ii) a polyol having a number average molecular weight of from 600 to 4000 g/mol; and', (A) a hydroxyl-functional (meth)acrylate, and', '(B) an unsaturated (meth)acrylate polyol based on a polyester, polyether, polythioether, polyacetal, polycarbonate, dimer fatty alcohol and/or an esteramide and having a number average molecular weight of 400 to 8000 g/mol,, '(iii) at least one of, 'at an isocyanate to hydroxyl equivalent ratio of from 0:5:1 to 1:0.5;', '(2) an allophonate urethane (meth)acrylate polymer; and', '(3) lactone-containing (meth)acrylate polymer; and, '(a) at least one of(b) a photoinitiator.3. The method of claim 2 , wherein the composition comprises is a reaction product of a composition comprising (a)(1)(i) claim 2 , (a)(1)(ii) claim 2 , and (a)(1)(iii)(B).4. The method of claim 2 , wherein the composition comprises:(a) up to 70 percent by weight of (a)(1), and(b) at least 30 percent by weight of at least one of (a)(2) and (a)(3),wherein the weight percents are based on the total weight of (a)(1), (a)(2) and (a)(3) in the composition.5. The method of claim 1 , (a) a lactone-containing urethane (meth)acrylate; and', '(b) a photoinitiator., 'wherein the composition comprises7. The method of claim 6 , wherein the one or more di- and/or polyisocyanates comprises a polyisocyanate comprising allophanate ...

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Номер записи: 9

13-01-2022 дата публикации

Automated method for injection molding coated components

Номер: US20220009133A1

Автор: Jens-Henning NOATSCHK, Karin REUTER, Lea FEDELER, Simon WINZEN

Принадлежит: BASF COATINGS GMBH

Described herein is an automatic or automated process for injection molding of coated components, more particularly coated soles of plastic, where first of all the molding tool is lined with a release agent composition and, after flashing of this release agent composition, a composition for forming the component is injected. After crosslinking of these two compositions, the coated component produced is removed from the molding tool and subjected optionally to an aftertreatment.

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Номер записи: 10

11-01-2018 дата публикации

DEPOSITION MASK AND MANUFACTURING METHOD

Номер: US20180009190A1

Автор: Kawato Shinichi, Kikuchi Katsuhiro, Kobayashi Yuhki, MATSUNAGA Kazuki, OCHI Takashi

Принадлежит: SHARP KABUSHIKI KAISHA

It comprises: a film made of a resin in which an aperture pattern is formed, the aperture pattern passing through the film, the aperture being with a shape and dimension corresponding to the thin-film pattern in a pre-established region for formation of the thin-film pattern on the substrate; and a metal member that has an aperture part opposite the aperture pattern with a shape and dimension larger than the aperture pattern, the metal member being provided as a thin sheet in intimate contact with one surface of the film on an outside part of the aperture pattern of the film. The film is mutually distanced and distributed, at a position where the film does not overlap the aperture pattern, into a plurality of divided parts on one surface of the metal member. 1. A deposition mask comprising a plurality of layers , the deposition mask being for forming of a thin-film pattern of a certain shape on a substrate by deposition , the deposition mask comprising:a film in which an aperture pattern is formed, the aperture pattern passing through the film, the aperture being with a shape and dimension corresponding to the thin-film pattern in a pre-established region for formation of the thin-film pattern on the substrate; anda metal member that has an aperture part opposite the aperture pattern with a shape and dimension larger than the aperture pattern, the metal member being provided as a thin sheet in intimate contact with one surface of the film on an outside part of the aperture pattern of the film,wherein the film is, for the metal member, mutually distanced and distributed into a plurality of divided parts on one surface of the metal member.2. The deposition mask according to claim 1 ,wherein a gap separating between the film divided extends an entire length of the metal member in a width direction.3. The deposition mask according to claim 1 ,wherein a gap separating between the film divided extends an entire length of the metal member in a vertical direction orthogonal ...

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Номер записи: 11

03-02-2022 дата публикации

METHODS AND SYSTEMS FOR CHANGING A REFRACTIVE PROPERTY OF AN IMPLANTABLE INTRAOCULAR LENS

Номер: US20220031504A1

Автор: Dewey David A., Gooding Phillip, Schuele Georg, State Mihai, Vankov Alexander, Wang Jenny, Wang Tianheng, Wiltberger Michael

Принадлежит:

A method of altering a refractive property of a crosslinked acrylic polymer material by irradiating the material with a high energy pulsed laser beam to change its refractive index. The method is used to alter the refractive property, and hence the optical power, of an implantable intraocular lens after implantation in the patient's eye. In some examples, the wavelength of the laser beam is in the far red and near IR range and the light is absorbed by the crosslinked acrylic polymer via two-photon absorption at high laser pulse energy. The method also includes designing laser beam scan patterns that compensate for effects of multiphone absorption such as a shift in the depth of the laser pulse absorption location, and compensate for effects caused by high laser pulse energy such as thermal lensing. The method can be used to form a Fresnel lens in the optical zone. 14.-. (canceled)5. A method of altering a refractive property of an implantable intraocular lens having an optic body including an optical zone and a peripheral zone surrounding the optical zone , comprising:implanting the intraocular lens in a patient's eye;generating a light beam using a light source and a light delivery optical system, the light beam having a wavelength of 400 to 450 nm; andwhile the intraocular lens is in the patient's eye, irradiating the optical zone of the intraocular lens with the light beam,wherein the optical zone comprises a crosslinked acrylic polymer material configured to change its refractive index upon irradiation by the light beam, thereby altering a refractive property of the intraocular lens.6. (canceled)7. The method of claim 5 , wherein a first change in the refractive index is negative during a first time period after irradiation and a second change in the refractive index is positive in a second time period after irradiation.8. The method of claim 5 , wherein the change in refractive index relative to the pre-irradiation refractive index at a location within the ...

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Номер записи: 12

16-01-2020 дата публикации

ULTRA-THIN, REMOVABLE, CATALYTIC FILM FOR LASER DIRECT STRUCTURING (LDS) ON A BLACK OR OPAQUE SUBSTRATE AND THE PROCESS THEREBY

Номер: US20200022264A1

Автор: Cheng Yunan, Shen Liang

Принадлежит:

A process of forming an article utilizes an ultra-thin, removable, catalytic film for Laser Direct Structuring (LDS). The process includes forming a film from a laser-activatable material, the film exhibiting thickness of less than 100 μm; applying the film to a black or opaque substrate to form a film-substrate element; applying a laser to the film-substrate element; removing a portion of the film from the film-substrate element; and applying metal plating to a portion of the black or opaque substrate. Removal of the film from the film-substrate element may follow metal plating of the black or opaque substrate. An article formed by the process may be useful in a computer device, electromagnetic interference device, printed circuit, Wi-Fi device, Bluetooth device, GPS device, cellular antenna device, smart phone device, automotive device, medical device, sensor device, RF antenna device, LED device, RFID device, or a component of a cell phone antenna. 1. An article formed from a process comprising:(a) forming a film from a laser-activatable material, the film having a thickness of less than 100 μm;(b) applying the film to a black or opaque substrate to form a film-substrate element;(c) applying a laser to the film-substrate element;(d) removing at least a portion of the film from the film-substrate element; and(e) applying a metal plating to at least a portion of the black or opaque substrate, wherein step (d) may be performed prior to or after step (e).2. The article of claim 1 , wherein the step of applying the film on the black or opaque substrate to form the film-substrate element comprises at least one of hot stamping or electrostatic absorption.3. The article of claim 2 , wherein the film is applied to the black or opaque substrate by hot stamping at about 100° C. to about 150° C. for from about one minute to about five minutes at a pressure of from about 5 bar to about 50 bar.4. The article of claim 3 , wherein the hot stamping is performed by one of a tablet ...

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Номер записи: 13

04-02-2016 дата публикации

Crush Recoverable Polymer Scaffolds

Номер: US20160030217A1

Автор: Anukhin Boris, Hossainy Syed, Jayasinghe Dudley, NGO Michael H., Nikanorov Alexander, PAPP John E., Solter Zella, Trollsas Mikael

Принадлежит:

A method of manufacturing a stent is disclosed. The stent includes a minimum crimped diameter such that in the minimum crimped diameter, a pair of stent rings, between which marker support structures reside, do not make contact with the marker support structures. The crimped profile of the stent of the present invention can be as small as the crimped profile of a same stent but without the marker support structures. 1. A method making a medical device , comprising:(a) providing a polymeric tube; (i) a set of rings including a proximal end ring, a distal end ring opposing the proximal end ring, and middle rings positioned between the end rings, wherein each ring is associated with its direct neighboring ring by links, and wherein at least one pair of neighboring middle rings can be delineated, via corresponding links there between, into closed cells comprising a W-V shaped zone;', '(ii) the rings include struts and crowns, the struts fold towards and unfold away from each other at the crowns;', '(iii) at least one of the links being a marker link, the marker link having a first structure off a first side wall of the marker link for holding a first marker and a second structure off a second, opposite side wall of the marker link for holding a second marker, wherein the first and second structures are not longitudinally off-set from one another off of the marker link; and', '(iv) wherein the polymeric tube is cut by the laser such that the set of rings and links are shaped to have a minimum crimped diameter such that in the minimum crimped diameter, a pair of rings, between which the marker link resides, do not make contact with the first and second structures; and, '(b) cutting a pattern into the tube by a laser, wherein the pattern includes(c) placing the first and second markers in the structures and forming a stent;(d) crimping the stent to a crimped diameter on a section of a catheter delivery assembly, such that the pair of rings, between which the marker link ...

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Номер записи: 14

02-02-2017 дата публикации

Systems and methods for additively manufacturing composite parts

Номер: US20170028625A1

Автор: Ciro J. Grijalva, III, Faraón Torres, Hayden S. Osborn, Nick S. Evans, Ryan G. Ziegler, Samuel F. Harrison

Принадлежит: Boeing Co

A method ( 400 ) of additively manufacturing a composite part ( 102 ) is disclosed. The method ( 400 ) comprises applying a thermosetting resin ( 252 ) to a non-resin component ( 108 ) of a continuous flexible line ( 106 ) while pushing the non-resin component ( 108 ) through a delivery guide ( 112 ) and pushing the continuous flexible line ( 106 ) out of the delivery guide ( 112 ). The continuous flexible line ( 106 ) further comprises a thermosetting resin component ( 110 ) that comprises at least some of the thermosetting resin ( 252 ) applied to the non-resin component ( 108 ). The method ( 400 ) further comprises depositing, via the delivery guide ( 112 ), a segment ( 120 ) of the continuous flexible line ( 106 ) along the print path ( 122 ).

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Номер записи: 15

02-02-2017 дата публикации

Systems for additively manufacturing composite parts

Номер: US20170028640A1

Автор: Ciro J. Grijalva, III, Faraón Torres, Hayden S. Osborn, Nick S. Evans, Ryan G. Ziegler, Samuel F. Harrison

Принадлежит: Boeing Co

A system ( 100 ) for additively manufacturing a composite part ( 102 ) is disclosed. The system ( 100 ) comprises a housing ( 104 ) and a nozzle ( 107 ). The nozzle ( 107 ) is supported by the housing ( 104 ). The nozzle ( 107 ) comprises an outlet ( 110 ), sized to dispense a continuous flexible line ( 112 ). The continuous flexible line ( 112 ) comprises a non-resin component ( 114 ) and a photopolymer-resin component ( 116 ). The system ( 100 ) also comprises a feed mechanism ( 118 ), supported within the housing ( 104 ). The feed mechanism ( 118 ) is configured to push the continuous flexible line ( 112 ) out of the outlet ( 110 ) of the nozzle ( 107 ). The system ( 100 ) further comprises a light source ( 120 ), supported by the housing ( 104 ). The light source ( 120 ) is configured to deliver a light beam to the continuous flexible line ( 112 ) after the continuous flexible line ( 112 ) exits the outlet ( 110 ) of the nozzle ( 107 ) to at least partially cure the photopolymer-resin component ( 116 ) of the continuous flexible line ( 112 ).

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Номер записи: 16

01-02-2018 дата публикации

METHOD AND APPARATUS FOR FORMING A LEVELED SURFACE OF PASTY MASSES

Номер: US20180029256A1

Автор: Ellert Peter, Fink Andreas

Принадлежит:

An apparatus and a method for forming a leveled surface of at least one pasty mass in a mold are described. Thereby, the mold is particularly adapted to mold lipstick mines, wherein the mold was filled with the pasty mass and the pasty mass was at least partially cooled in the mold. The apparatus comprises a means for at least partially melting the surface of the at least one cooled pasty mass in the mold to level the surface by heat introduction, wherein the heat introduction takes place via focused optical photo emission. 1. A method for forming a leveled surface of at least one pasty mass in a mold , wherein the mold is particularly adapted to mold lipstick mines , the method comprising:filling the mold with the pasty mass;at least partially cooling the pasty mass in the mold;at least partially melting the surface of the cooled pasty mass in the mold to level the surface by heat introduction, wherein the heat introduction takes place via focused optical photo emission.2. The method according to claim 1 , further comprising:controlling the heat introduction.3. The method according to claim 2 , wherein the controlling comprises:changing the direction of the focused optical photo emission.4. The method according to claim 3 , wherein the changing of the direction of the focused optical photo emission does not follow a pattern or follows a specific pattern.5. The method according to claim 2 , wherein the controlling comprises:regulating the energy of the focused optical photo emission.6. The method according to claim 1 , further comprising:determining a first degree of evenness of the surface of the pasty mass before the melting; andstarting the melting of the surface, when the first degree of evenness reaches a first threshold.7. The method according to claim 1 , further comprising:determining a second degree of evenness of the surface of the pasty mass during the melting; andfinishing the melting of the surface, when the second degree of evenness reaches a second ...

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Номер записи: 17

05-02-2015 дата публикации

Process for producing flexographic printing plate precursor for laser engraving, flexographic printing plate precursor for laser engraving, process for making flexographic printing plate, and flexographic printing plate

Номер: US20150035205A1

Автор: Mamoru Kuramoto

Принадлежит: Fujifilm Corp

Objects of the present invention are to provide a process for producing a flexographic printing plate precursor for laser engraving that has excellent rinsing properties for engraving residue and can give a plate having excellent printing durability, to provide a flexographic printing plate precursor obtained by the process, and to provide a flexographic printing plate and a process for making the flexographic printing plate. Disclosed is a process for producing a flexographic printing plate precursor for laser engraving, comprising steps of: forming a relief-forming layer formed of a resin composition for laser engraving; and crosslinking the relief-forming layer by means of heat and/or light to thus obtain a flexographic printing plate precursor having a crosslinked relief-forming layer, wherein the resin composition for laser engraving comprises (Component A) an N-vinyl compound, (Component B) a polymerizable compound, (Component C) an ethylenically unsaturated bond-containing binder polymer, and (Component D) a polymerization initiator.

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Номер записи: 18

24-02-2022 дата публикации

3D PRINTING DEVICES AND METHODS

Номер: US20220055288A1

Автор: Schlachter Kelly

Принадлежит: Warsaw Orthopedic, Inc.

A device is provided for making an implant having a hollow region, the device comprising a print surface rotatable in a clockwise and counterclockwise direction about an axis of rotation; a print head disposed adjacent to and substantially transverse to the print surface, the print head configured to apply material used to make the implant on at least a portion of the print surface or heat material disposed on at least a portion of the print surface used to make the implant; and a base disposed adjacent to the print head and contacting the print surface, the base configured to be movable in forward, backward and lateral directions relative to the print head to make the implant having the hollow region. Methods of using the device and are also disclosed. 120-. (canceled)21. A computer-implemented method for creating a hollow structure , the method comprising inputting instructions to direct a processor , the processor configured to induce rotation of a print surface in alternating clockwise and counterclockwise directions , and ejection of material from a print head to the print surface to make a strand having a wave-like pattern with alternating peaks and crests , and rotating the print head such an angular distance to create a plurality of interconnected strands on the print surface.22. The computer-implemented method of claim 21 , wherein the hollow structure is a mesh bag.23. The computer-implemented method of claim 21 , wherein (i) the print head continuously applies the material on a portion of the print surface; (ii) the print surface is centered about an axis of rotation; (iii) the print surface is disposed with the base via a mounting bracket claim 21 , the mounting bracket comprising an extension shaft claim 21 , the extension shaft defining an axis of rotation for the print surface; or (iv) the print head is immovable and positioned above the print surface.24. The computer-implemented method of claim 21 , wherein the material comprises (i) a biodegradable ...

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Номер записи: 19

07-02-2019 дата публикации

APPARATUS FOR FORMATION OF AN OPHTHALMIC LENS PRECURSOR AND LENS

Номер: US20190041665A1

Автор: Enns John B, Powell P. Mark, Sites Peter W, Widman Michael F

Принадлежит:

This invention discloses apparatus for generating an ophthalmic lens with at least a portion of one surface free-formed from a Reactive Mixture. In some embodiments, an ophthalmic lens is formed on a substrate with an arcuate optical quality surface via a source of actinic radiation controllable to cure a definable portion of a volume of Reactive Mixture. 1. An apparatus for forming an ophthalmic device defined by opposing concave and convex surfaces meeting at a peripheral edge , the apparatus comprising:a male mold mandrel comprising a convex optical quality surface upon which said ophthalmic device may be formed, at least a portion of said convex optical quality surface defining a shape of said concave surface of said ophthalmic device to be formed,a container suitable for holding a volume of reactive mixture having a volume greater than a volume of said ophthalmic device to be formed, and a shape that does not influence said shape of said ophthalmic device to be formed;a reactive mixture within said container;said male mold mandrel positioned relative to said container so that at least said portion of said male mold mandrel is submerged within said reactive mixture;a light source including a plurality of beams of actinic radiation each directed through the male mold mandrel and its convex optical quality surface and into said reactive mixture at different, predetermined locations;a control device for selectively controlling on and off states of said plurality of beams of actinic radiation, wherein said each of said plurality of beams, when in the on state, is capable of initiating curing of reactive mixture within its path.2. The apparatus according to claim 1 , further comprising a focusing optical element within a path of said light source.3. The apparatus according to claim 1 , further comprising a collimating optical element within a path of said light source.4. The apparatus according to claim 1 , wherein the control device further comprises a pattern ...

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Номер записи: 20

18-02-2021 дата публикации

MICROWELL PLATE WITH LAMINATED MICRO EMBOSSED FILM BOTTOM

Номер: US20210047611A1

Автор: Petcavich Robert John

Принадлежит:

The current disclosure describes a method of fabricating a n×n where n=1 to 100 micro well plate that has a transparent film bottom where the film has embossed on the surface micro structures for the facilitation of cell growth and differentiation in particular cardiomyocyte cells derived from human induced pluripotent stem cells. In one embodiment, the micro well plate has an array of locations molded out of thermoplastic onto which a micro embossed film is laminated to the bottom. The micro embossed features are fabricated such that that when the film is laminated to the plate, e.g., with adhesive or via welding, the embossed microstructures are located within the individual microplate well locations. 1. (canceled)2. A method of using a substrate micropatterned with microstructures for culturing cells , comprising:providing a polymer substrate having a microembossed polymer film having a plurality of receptacles for cells in a geometric pattern, which polymer film comprises acrylic, polycarbonate or polystyrene and has microstructures in a micropattern that facilitate cell growth and/or differentiation, wherein the microstructures form a linear pattern, a star or daisy petal shape, or an undulating serpentine shape; andculturing human cells in one or more of the plurality of receptacles having the polymer film, thereby facilitating cell growth and/or differentiation of the human cells, wherein the human cells are cardiomyocytes, neurons, or hepatocytes or stem cells that differentiate to cardiomyocytes, neurons or hepatocytes.3. The method of wherein the human cells are the stem cells or the cardiomyocytes.4. The method of wherein the microstructures have a height (h) in the range from about 0.1 micron to about 500 microns.5. The method of wherein the microstructures have a width (w) from about 1 to about 800 microns and/or a length (l) from about 5 microns to about 75 millimeters.6. The method of wherein the microstructures form a linear pattern and the cells are ...

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Номер записи: 21

19-02-2015 дата публикации

Apparatus for Thermal Processing of Flexographic Printing Elements

Номер: US20150048557A1

Автор: Gotsick Timothy

Принадлежит: MACDERMID PRINTING SOLUTIONS, LLC

An apparatus for thermally processing a relief image printing element and a method of using the same are described. The printing element comprises at least one photopolymer layer and is selectively exposed to actinic radiation to crosslink portions of the at least one photopolymer layer. The apparatus comprises: (a) means for supporting the printing element; (b) heating means for melting or softening non-crosslinked portions of the at least one photopolymer layer; (c) at least one rotatable roll that is capable of bringing a blotting material into contact with the at least one photopolymer layer to remove the melted or softened non-crosslinked portions of the at least one photopolymer layer; and (d) an element arranged adjacent to the at least one rotatable roll for removing non-crosslinked photopolymer remaining on a surface of the at least one rotatable roll after step c). The apparatus may alternatively be operated without a blotting material. 1. An apparatus for thermally processing a relief image printing element , wherein the relief image printing element comprises at least one photopolymer layer , and wherein the relief image printing element is selectively exposed to actinic radiation to crosslink portions of the at least one photopolymer layer , while portions of the at least one photopolymer layer are not exposed to actinic radiation and are not crosslinked , the apparatus comprising:a) means for supporting the relief image printing element;b) heating means for melting or softening non-crosslinked portions of the at least one photopolymer layer;c) at least one rotatable roll that is capable of bringing a blotting material into contact with the at least one photopolymer layer to remove the melted or softened non-crosslinked portions of the at least one photopolymer layer, wherein a nip is formed between the means for supporting the relief image printing element and the at least one rotatable roll, wherein as the at least one rotatable roll rotates against ...

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Номер записи: 22

03-03-2022 дата публикации

Cationically curable composition and method for the joining, casting and coating of substrates using the composition

Номер: US20220064367A1

Автор: ANSELMENT Timo, KREUL Kilian, SCHOLZ Michael, UHL Gerald, ZINK Sebastian

Принадлежит:

The invention relates to a cationically curable composition with at least one cationically polymerizable component, a first photoinitiator releasing an acid when irradiated with actinic radiation of a first wavelength λ, and a second photoinitiator releasing an acid when irradiated with actinic radiation of a second wavelength λ, wherein the second wavelength λis shorter than the first wavelength λ, and wherein the second photoinitiator, after irradiation of the composition with actinic radiation of the first wavelength λ, shows an absorption of actinic radiation of the second wavelength λin the composition that is sufficient to activate the second photoinitiator and fix the composition. Furthermore, a method is described for the joining, casting, molding, sealing and/or coating of substrates using the cationically curable composition.

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Номер записи: 23

01-03-2018 дата публикации

MULTIPLE LAYERED DENTURE BLOCK AND/OR DISK

Номер: US20180055611A1

Автор: AMMON Dan, SUN Benjamin Jiemin

Принадлежит: DENTSPLY SIRONA Inc.

This invention designs and builds multiple layers (two layers or more) of millable dental blocks or disks for milling of various dental devices, specifically denture base blocks or disks of denture base material, where milled teeth cavities to receive artificial denture tooth materials to form final dental devices, such as partial and full dentures. This invention also designs and builds multiple layers (two layers or more) of millable denture base or denture blocks or disks comprised of denture base or/and denture tooth materials to form final dental devices, such as partial and full dentures. A method for manufacturing a layered denture is provided. The invention provides a multiple layered denture base block (or disk) for milling a denture base. The invention also provides a multiple layered denture block (or disk) for milling a denture. Highly shape adjustable or shape memory polymer layer(s) may be used in these multiple layered forms. Different layer of material has different mechanical and physical properties to meet different need, which provide added benefits to the patients, dental professional and dental laboratory. 1. A method for making a multilayered block or disk comprising the steps of:providing a mold; a powder blend of 65% to 85% by wt a [methyl (meth)acrylate, ethyl (meth)acrylate and butyl (meth)acrylate] copolymer; and a first initiator; and', 'a liquid blend of 4 -15% by wt a first rubber impact modifier; at least one monomer; and a second initiator;, 'placing a first polymerizable material in the mold to form a first layer, the first polymerizable material including a mixture of a powder blend having of 75% to about 95% by wt [methyl (meth)acrylate, ethyl (meth)acrylate and butyl (meth)acrylate] copolymer; and a third initiator;', 'a liquid blend of 4-12% by wt a second rubber impact modifier being different than the first rubber impact modifier; 1-10% by wt of at least one dimethacrylate component; and 20-70% by wt at least one methacrylate ...

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Номер записи: 24

04-03-2021 дата публикации

Transparent material processing method, transparent material processing device, and transparent material

Номер: US20210061650A1

Автор: Yasutaka HANADA

Принадлежит: Hirosaki University NUC

An object of one embodiment of the invention is to process a material simply and high efficiently. A fabrication method of transparent material is a method of processing a thermosetting transparent material. The fabrication method of transparent material includes a disposing step (S 01 ) of disposing an uncured thermosetting transparent material, a laser beam irradiation step (S 02 ) of irradiating the disposed uncured thermosetting transparent material with a laser beam so that cavitation bubbles are generated in the uncured thermosetting transparent material, and a curing step (S 03 ) of performing a curing process on the uncured thermosetting transparent material in which the cavitation bubbles are generated.

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Номер записи: 25

20-02-2020 дата публикации

Joint sealing compound and tool for the treatment thereof and set and illuminating means

Номер: US20200056078A1

Автор: Dinko Jurcevic

Принадлежит: KDS HOLDING GMBH

A joint sealing compound for the in-situ production of connection joints in wet areas. The joint sealing compound is based on acrylates. The joint sealing compound is either light-curable only with a light which is outside of the UV range, or the joint sealing compound is curable via a dual-curing process wherein the joint sealing compound is moisture-curing with a light which is outside of the UV range.

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Номер записи: 26

28-02-2019 дата публикации

BALLOON EXPANDED POLYMER STENT

Номер: US20190060097A1

Автор: Anukhin Boris, Hossainy Syed, Jayasinghe Dudley, NGO Michael H., Nikanorov Alexander, PAPP John E., Solter Zella, Trollsas Mikael

Принадлежит:

A medical device includes a polymer stent (or scaffold) crimped to a catheter balloon. The stent, after being expanded from a crimped state by the balloon, provides a crush recovery of about 90% of its expanded diameter after being pinched or crushed by an amount equal to about 50% of the expanded diameter. The stent has a pattern including a W-shaped or W-V shaped closed cell and links connecting the closed cells. 122-. (canceled)23. A medical device , comprising:a stent made from a polymer composition comprising poly (L-lactide),the stent has a pre-crimp diameter and a wall thickness such that a ratio of the pre-crimp diameter to the wall thickness is between 30 and 60,the stent is configured for being crimped to a balloon by plastic deformation of the stent, andthe stent has a pattern of interconnected elements, the interconnected elements including a plurality of undulating rings connected by links, wherein each ring includes struts that extend between crowns and the struts are configured to fold at the crowns when the stent is crimped to the balloon.24. The medical device of claim 23 , wherein the pre-crimp diameter is between 6 mm and 12 mm.25. The medical device of claim 23 , wherein the wall thickness is between 0.2 mm and 0.4 mm.26. The medical device of claim 23 , wherein the pre-crimp diameter is between 7 mm and 10 mm and the wall thickness is 0.2 mm.27. The medical device of claim 23 , wherein the pre-crimp diameter is between 9 mm and 10 mm and the wall thickness is 0.3 mm.28. The medical device of claim 23 , wherein a strut and a link each have a width and a thickness claim 23 , and wherein an aspect ratio (AR) of the width to wall thickness of the strut or the link is between 0.8 and 1.4.29. The medical device of claim 23 , wherein a link has a width and a thickness claim 23 , and wherein an aspect ratio (AR) of the width to wall thickness is between 0.4 and 0.9.30. The medical device of claim 23 , wherein each of the rings forms U crowns claim 23 , ...

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Номер записи: 27

28-02-2019 дата публикации

METHOD AND UNIT FOR THERMAL CONDITIONING, WHICH COMPRISES EMITTERS WITH GRADUAL IGNITION AND EXTINGUISHMENT

Номер: US20190061224A1

Автор: Feuilloley Guy, LAHOGUE Yoann, Pasquier Herve, SOUFFES Denis

Принадлежит:

Method for thermal conditioning, within a thermal conditioning unit that is equipped with a row of adjacent emitters that each comprise a number of monochromatic electromagnetic-radiation sources, of a queue of preforms of containers having a head preform or a tail preform, with this method comprising the following operations: Periodically determining the position of the head preform, or, respectively, of the tail preform; As the queue of preforms moves along, gradually igniting the emitters that are located downstream and in the vicinity of the head preform or, respectively, gradually extinguishing the emitters that are located upstream and in the vicinity of the tail preform. 1. Method for thermal conditioning of{'b': 2', '1', '8', '8, 'sub': 1', 'N, 'a queue of preforms () of containers made of plastic material within a thermal conditioning unit () that defines a heating cavity () and that is equipped with a row of adjacent emitters (E. . . E) that border the cavity () and that each comprise a number of monochromatic electromagnetic-radiation sources,'}{'b': 2', '11', '8', '2', '2', '2, 'with each preform () being attached to an individual support () that travels from upstream to downstream along a predetermined path (T) in the cavity (), with the queue of preforms () ending on the downstream side by a head preform (T) or on the upstream side by a tail preform (Q),'}{'sub': 'i', 'b': 8', '8, 'with each emitter (E) being able to adopt an ignited state, in which the sources emit radiation into the cavity (), and an extinguished state, in which the sources do not emit radiation into the cavity (),'} [{'b': 2', '2, 'Periodically determining the position, on the path (T), of the head preform (T), or, respectively, of the tail preform (Q);'}, {'b': 2', '2', '2, 'sub': j', 'k', 'l', 'm, 'As the queue of preforms () moves along, gradually igniting the emitters (E. . . E) that are located downstream and in the vicinity of the head preform (T) or, respectively, gradually ...

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Номер записи: 28

09-03-2017 дата публикации

SUPPORT MATERIAL AND APPLICATIONS THEREOF

Номер: US20170066199A1

Автор: Moussa Khalil, Stockwell John, Xu Pingyong

Принадлежит:

In one aspect, support materials operable for use in 3D printing systems are described herein. In some embodiments, a support material comprises a wax component comprising at least one ethoxylated fatty alcohol and a viscosity modifying agent, wherein the support material is water dispersible. In some embodiments, the wax component comprises a mixture of at least one fatty alcohol and at least one ethoxylated fatty alcohol. 1. A method of printing a three dimensional article comprising:selectively depositing layers of a fluid build material to form the three-dimensional article on a substrate; and a wax component comprising at least one ethoxylated fatty alcohol;', 'a viscosity modifying component; and', 'a phase change agent operable to accelerate the freezing of the support material when the support material is deposited in a three-dimensional printing system,, 'supporting at least one of the layers of the build material with a support material, the support material comprisingwherein the phase change agent comprises a urethane wax that freezes or solidifies over a range of 1° C. to 3° C., andwherein the support material is water dispersible following deposition of the support material in the three-dimensional printing system.2. The method of claim 1 , wherein the layers of the build material are deposited according to an image of the three dimensional article in a computer readable format.3. The method of claim 2 , wherein the build material is deposited according to preselected computer aided design (CAD) parameters.4. The method of further comprising curing the build material.5. The method of further comprising removing the support material from the build material by contacting the support material with water.6. The method of claim 5 , wherein the support material is dispersed in the water to provide an aqueous dispersion.7. The method of further comprising disposing of the aqueous dispersion of the support material in a wastewater treatment system without ...

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Номер записи: 29

11-03-2021 дата публикации

METHOD FOR ALTERING POLYMER PROPERTIES FOR MOLDING OF PARTS

Номер: US20210070955A1

Автор: ESCOWITZ Ethan, Reese Riley

Принадлежит:

A method for altering polymer properties for the molding of parts comprises exposing, to a scission-causing stressor, a region of a polymer form. The scission-causing stressor is controlled to achieve, in a relatively higher molecular-weight polymer at the region, an amount of scission that results in a reduction in the molecular weight of the relatively higher molecular-weight polymer, thereby forming a relatively lower molecular-weight polymer at the region. 1. A method comprising exposing , to a first scission-causing stressor , a first region of a first polymer form , wherein:a first parameter of the first scission-causing stressor is controlled to achieve a first amount of scission in a first relatively higher molecular-weight polymer at the first region,the first amount of scission resulting in a reduction in a weight average molecular weight of the first relatively higher molecular-weight polymer, thereby forming a first relatively lower molecular-weight polymer at the first region,the reduction is in a range of about 10 to about 50 percent, andthe weight average molecular weight of the first relatively higher molecular-weight polymer at a second region of the first polymer form is not reduced.2. The method of wherein the scission-causing stressor is selected from the group consisting of ultraviolet light claim 1 , temperature claim 1 , a chemical claim 1 , and ultrasound.3. The method of wherein the first polymer form comprises fibers claim 1 , the method comprising creating a desired surface finish of the first polymer form claim 1 , or a part formed therefrom claim 1 , by applying pressure to the first polymer form claim 1 , the pressure causing the first relatively lower molecular-weight polymer to flow to a surface of the first polymer form claim 1 , wherein the desired surface finish is characterized by a lack of a visible or physical presence of the fibers.4. The method of wherein the first polymer form is disposed in a mold cavity claim 1 , and the ...

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Номер записи: 30

17-03-2016 дата публикации

HEATING SYSTEM FOR PET-PREFORMS

Номер: US20160075075A1

Автор: HEUSLER GERO, POLLMANN-RETSCH JENS

Принадлежит:

The invention describes a heating system () for heating a preform () and a corresponding method. The preform has a neck (), at least one sidewall () and a bottom (). The heating system () comprises a transporting system comprising a holding device () to hold at least one preform () preferably at the neck () of the preform (), the transporting system being adapted to transport the preform () within the heating system (). The heating system further comprises a light providing arrangement, with at least one laser radiation generation unit () for heating the sidewalls of the preform (), and a lighting equipment for directly heating the bottom of the preform (). The heating system() enables an improved heating of the bottom of the preform () enhancing the flexibility of PET bottle blowing. 1. A heating system for heating a preform having a neck , at least one sidewall and a bottom , the heating system comprisinga transporting system comprising a holding device for holding at least one preform, the transporting system being adapted to transport the preform within the heating system, and at least one laser radiation generation unit for heating the sidewalls of the preform, and', 'lighting equipment for directly heating the bottom of the preform, wherein the lighting equipment is adapted to heat the bottom of the preform independently from the laser radiation generation unit., 'a light providing arrangement, the light providing arrangement comprising'}2. The heating system according to claim 1 , wherein the lighting equipment comprises at least one reflecting device being adapted to redirect laser light emitted by the laser radiation generation unit and/or the lighting equipment.3. The heating system according to claim 2 , wherein the reflecting device is arranged underneath of the holding device such that the preform can be transported above the reflecting device.4. The heating system according to claim 2 , wherein the reflecting device is part of the holding device.5. The ...

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Номер записи: 31

16-03-2017 дата публикации

SYSTEMS AND METHODS FOR LASER PREHEATING IN CONNECTION WITH FUSED DEPOSITION MODELING

Номер: US20170072633A1

Автор: Hsu Keng

Принадлежит:

Fused deposition modeling (FDM) systems and methods may be improved via laser pre-heating of the target substrate ahead of the extrusion nozzle. Higher interface temperatures lead to improved wetting, diffusion, and randomization, thus improving the bond between filaments and between layers, and reducing anisotropy in the resulting finished part. 1. A method for additive manufacturing , the method comprising:heating, via a laser, a target area on a part under construction via a fused deposition modeling (FDM) machine; andextruding, from a nozzle of the FDM machine, a polymer onto the target area.2. The method of claim 1 , wherein the heating claim 1 , via the laser claim 1 , the target area causes improved wetting claim 1 , diffusion claim 1 , and randomization of the extruded polymer with respect to the target area.3. The method of claim 1 , wherein the laser is an infrared laser.4. The method of claim 1 , further comprising monitoring claim 1 , via a temperature sensing apparatus having a functional path coaxial with the laser claim 1 , a thermal history of at least a portion of the part under construction.5. The method of claim 1 , wherein the laser delivers an applied power of between 100 milliwatts and 200 milliwatts to the target area.6. The method of claim 1 , wherein the nozzle of the FDM machine extrudes the polymer at a rate between 4 mm per second and 6 mm per second. The method of claim 1 , wherein the laser is focused onto the target area via a lens.8. The method of claim 1 , further comprising controlling claim 1 , via an electronic control unit claim 1 , an applied power of the laser and an extrusion rate of the nozzle to achieve a desired characteristic in the part under construction.9. The method of claim 8 , wherein the desired characteristic is strength in the build direction compared to strength in the extruded polymer direction.10. The method of claim 1 , wherein the center of the target area is between 1 mm and 2 mm ahead of the nozzle.11. The ...

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Номер записи: 32

05-03-2020 дата публикации

Process for nanostructuring carbon fibers embedded in frps based on the use of sulphur in combination with aromatic hydrocarbon groups and on the use of laser radiation

Номер: US20200070449A1

Автор: Benedikt Rauh, Maximilian Kolb

Принадлежит: Airbus Defence and Space GmbH

A process for the nanostructuring of fibers in fiber-composite plastics, where a sulfur-containing nanostructure is formed. Also, a plastics matrix with such nanostructured fibers is disclosed, and also a process for the repair of fibers in a fiber-composite plastic.

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Номер записи: 33

19-03-2015 дата публикации

Methods for making differentially pattern cured microstructured articles

Номер: US20150079521A1

Автор: Kathryn M. Spurgeon, Olester Benson, Jr., Steven R. Vanhoose, Tadesse G. Nigatu

Принадлежит: 3M Innovative Properties Co

Methods for making differentially pattern cured microstructured articles are disclosed, using a molding tool having a microstructured surface, a patterned irradiation to generate irradiate and non-irradiated regions in a radiation curable resin. Different combinations of molding tools and patterned irradiation provide numerous variants of differentially pattern cured microstructured articles without requiring costly modification of the molding tools.

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Номер записи: 34

23-03-2017 дата публикации

METHOD FOR REMOVING MOLD RELEASE AGENT AND TIRE

Номер: US20170080608A1

Автор: NAKAMURA Toshiki

Принадлежит: BRIDGESTONE CORPORATION

A method for efficiently and completely removing a mold release agent adhering to a tire surface after a cure-molding process. In this method, the mold release agent is removed from an adherend region where an adherend is to be affixed to the tire surface after cure-molding. A laser light having an intensity capable of removing rubber on the tire surface in the adherend region is intermittently irradiated while it is moved along. Thus a plurality of dents are formed in the adherend region in such a manner that the adjoining dents have their edges overlapped with each other. 17-. (canceled)8. A method for removing a mold release agent from an adherend region where an adherend is affixed to a tire surface after a cure-molding process , the method comprising:moving along and intermittently irradiating a laser light having an intensity capable of removing rubber on the tire surface in the adherend region such that a plurality of dents are formed in the adherend region with adjoining dents having edges overlapped with each other.9. The method for removing a mold release agent according to claim 8 , wherein a shape data of a side surface of the tire is required claim 8 , the shape data and a master data are compared claim 8 , a positional dislocation in a circumferential direction of a measurement start position of the shape data relative to the master data is calculated and a printing region contained in the master data is corrected by the positional distortion from the shape data claim 8 , and a range corresponding to the corrected printing region is set as an irradiated region of laser light.10. The method for removing a mold release agent according to claim 9 , wherein claim 9 , an irradiation route data is so set that the irradiation head moves from the radially inner side to the radially outer side or from the radially outer side to the radially inner side when the tire is rotated continuously in one direction.11. The method for removing a mold release agent ...

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Номер записи: 35

23-03-2017 дата публикации

THREE-DIMENSIONAL NANOFABRICATION BY PATTERNING OF HYDROGELS

Номер: US20170081489A1

Автор: Asano Shoh, Boyden Edward S., Chen Fei, Gao Ruixuan, Marblestone Adam H., Oran Daniel, Rodriques Samuel G., Skylar-Scott Mark A., Tillberg Paul W.

Принадлежит:

The present invention enables three-dimensional nanofabrication by isotropic shrinking of patterned hydrogels. A hydrogel is first expanded, the rate of expansion being controlled by the concentration of the crosslinker. The hydrogel is then infused with a reactive group and patterned in three dimensions using a photon beam through a limited-diffraction microscope. Functional particles or materials are then deposited on the pattern. The hydrogel is then shrunk and cleaved from the pattern. 1. A method for three-dimensional patterning of hydrogels , the method comprising the steps of:a. providing a polymer gel material; andb. infusing the polymer gel material with at least one reactive group to form reactive group sites; andc. illuminating selected voxels within the polymer gel material to yield a three-dimensional pattern of reactive group sites anchored to the polymer gel material; andd. removing excess reactive groups from the polymer gel material; ande. depositing functional molecules or nanoparticles on the reactive group sites.2. The method of claim 1 , wherein the reactive group is attached to the polymer gel material by a reaction between a fluorophore compound and the polymer gel material.3. The method of claim 1 , wherein the polymer gel material is swellable.4. The method of claim 3 , further comprising the step of expanding the swellable polymer gel material to yield an expanded material.5. The method of claim 4 , further comprising the step of shrinking the expanded material to yield a shrunken material.6. The method of claim 5 , wherein shrinking the expanded material is achieved by exposing the expanded material to high salt or hydrochloric acid.7. The method of claim 6 , further comprising the step of dehydrating the shrunken material where hydrochloric acid was used to shrink the expanded material.8. The method of claim 1 , wherein the polymer gel material comprises a crosslinker.9. The method of claim 8 , wherein the crosslinker of the polymer gel ...

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Номер записи: 36

14-03-2019 дата публикации

Earpiece and method for forming an earpiece

Номер: US20190082272A9

Автор: John Patrick Keady, Paul Calvert, Steven Goldstein

Принадлежит: Staton Techiya LLC

A device includes an electromagnetic radiation delivery system such as a laser of light emitting diode infrared emitter configured for delivery of electromagnetic radiation within a sealed canal such as an ear canal, a fiber optic cable configured for delivering or capturing the electromagnetic radiation within the sealed canal, and a photo detector coupled to the fiber optic cable forming a portion of a voice communication system. Other embodiments are disclosed.

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Номер записи: 37

21-03-2019 дата публикации

Polyester Powder Compositions, Methods and Articles

Номер: US20190084225A1

Автор: Martinoni Raffaele

Принадлежит:

Powder compositions and articles and methods of forming articles from powder compositions are provided. In one embodiment the powder compositions include at least one polyester polymer powder and an amount of reinforcing particles having an aspect ratio of preferably at least about 5:1. In another embodiment the powder compositions include at least one medium-high melting temperature, aromatic and crystalline polyester polymer powder. In a preferred embodiment, the powder composition is capable of being formed, via a laser sintering process, into a three-dimensional article that exhibits one or more desirable mechanical properties in an elevated temperature environment. 120-. (canceled)21. A powder composition comprising:at least one laser-sinterable polymer powder, andat least 3 weight percent of reinforcing particles having an aspect ratio of at least 5:1 and a maximum dimension of less than 300 microns, based on the total weight of the powder composition;wherein at least a portion of the reinforcing particles are mineral particles that comprise at least 1 wt. % of the powder composition, based on the total weight of the powder composition,wherein the at least one polymer powder is selected from the group consisting of nylon-6,10; nylon-6,12; nylon-6,13; nylon-8,10; nylon-8,12; nylon-10,10; nylon-10,12; nylon-12,12; nylon-11; nylon-12; and a mixture thereof; andwherein the mineral particles comprise wollastonite.22. The powder composition of claim 21 , wherein the mineral particles comprise at least 3 wt. % of the powder composition claim 21 , based on the total weight of the powder composition.23. The powder composition of claim 21 , wherein the reinforcing particles have an aspect ratio of at least 20:1.24. The powder composition of claim 21 , wherein the mineral particles comprise a silicate.25. The powder composition of claim 21 , wherein the reinforcing particles have a maximum dimension of greater than 10 microns.26. The powder composition of claim 21 , ...

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Номер записи: 38

30-03-2017 дата публикации

PROCESSING NOZZLE, PROCESSING HEAD, MACHINING APPARATUS, AND CONTROL METHOD AND CONTROL PROGRAM OF PROCESSING NOZZLE

Номер: US20170087666A1

Автор: Ohno Hiroshi, SASAKI Mitsuo

Принадлежит: TECHNOLOGY RESEARCH ASSOCIATION FOR FUTURE ADDITIVE MANUFACTURING

This specification discloses a processing nozzle for efficiently performing supply of a powder serving as a material used for processing using an energy line. The processing nozzle includes a powder ejector that ejects a powder serving as a processing material toward a molten pool formed on a process surface by an energy line. The processing nozzle further includes an adjuster that adjusts, in accordance with the shape of the molten pool, the shape and/or position of a powder spot formed by the powder ejector. 1. A processing nozzle comprising:a powder ejector that ejects a powder material toward a molten pool formed on a process surface by an energy line; andan adjuster that adjusts, in accordance with a shape of the molten pool, a shape and/or position of a powder spot formed by said powder ejector.2. The processing nozzle according to claim 1 , wherein said powder ejector includes:an inner housing that constitutes an energy line path through which the energy line passes; andan outer housing that is arranged with respect to the inner housing via a gap serving as a channel of the powder material, andsaid adjuster adjusts relative positions of the inner housing and outer housing.3. The processing nozzle according to claim 2 , wherein said adjuster adjusts relative horizontal positions of the inner housing and outer housing.4. The processing nozzle according to claim 1 , wherein said adjuster adjusts the shape and/or position of the powder spot formed by said powder ejector claim 1 , in accordance with a moving direction of the molten pool on the process surface.5. The processing nozzle according to claim 1 , further comprising a detector that detects the shape of the molten pool by capturing an image of the process surface.6. A processing head comprising:{'claim-ref': {'@idref': 'CLM-00001', 'claim 1'}, 'a processing nozzle defined in ; and'}a condensing device that condenses the energy line.7. A machining apparatus comprising:{'claim-ref': {'@idref': 'CLM-00006', ' ...

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Номер записи: 39

30-03-2017 дата публикации

COLOR AND/OR OPACITY CHANGING LIQUID RADIATION CURABLE RESINS, AND METHODS FOR USING THE SAME IN ADDITIVE FABRICATION

Номер: US20170087765A1

Автор: REGISTER Brett, RUNDLETT Beth

Принадлежит:

Color and/or opacity changing liquid radiation curable resins are herein described, along with methods for using the same in additive fabrication processes. Described and claimed are methods for improving additive fabrication build processes by controlling, at least temporarily, the depth of penetration of a liquid radiation curable resin. The liquid radiation curable resins herein described are capable of curing into three-dimensional articles having a certain amount of color and/or opacity. The resulting three-dimensional articles possess an ability to further change in color and/or opacity, and possess excellent mechanical properties. Also herein described are the three-dimensional articles formed according to the methods of the invention. 1. A method of forming a three-dimensional article via additive fabrication comprising:(1) inducing an increase in a depth of penetration (Dp) of a radiation curable resin, thereby forming a radiation curable resin having an increased Dp;(2) establishing a layer of the radiation curable resin having the increased Dp;(3) exposing the layer imagewise to actinic radiation to form an imaged cross-section, thereby forming a cured layer;(4) forming a new layer of radiation curable resin having the increased Dp in contact with the cured layer;(5) exposing said new layer imagewise to actinic radiation to form an additional cured layer; and(6) repeating steps (4) and (5) a sufficient number of times in order to build up a three-dimensional article.2. The method of claim 1 , wherein the radiation curable resin comprises a. thermochromic component having an activation temperature and a terminal activation temperature.3. The method of claim 2 , wherein the step of inducing an increase in the depth of penetration (Dp) is achieved by heating the thermochromic component to at least the activation temperature to induce in the radiation curable resin a change from a colored state to a partially colorless state.4. The method of claim 3 , further ...

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Номер записи: 40

30-03-2017 дата публикации

LAYERLESS BIOPRINTING VIA DYNAMIC OPTICAL PROJECTION AND USES THEREOF

Номер: US20170087766A1

Автор: CHEN Shaochen, CHUNG Peter, QU Xin, Zhang Aping

Принадлежит:

A system and method for 3D microfabrication projects light capable of initiating photopolymerization toward a spatial light modulator that modulates light responsive to digital masks corresponding to layers of the structure. Projection optics focus the modulated light onto an optical plane within a photopolymerizable material supported on a stage. A computer controller causes the spatial light modulator to project a sequence of images corresponding to the digital masks while coordinating movement of the stage to move a position of the optical plane within the photopolymerizable material to sequentially project each image of the sequence to generate the structure by progressively photopolymerizing the photopolymerizable material. 1. A system for 3D microfabrication of a structure , comprising:a light source configured for projecting light within an optical path, the light source emitting light at a wavelength configured for initiating photopolymerization;a spatial light modulator disposed within the optical path and configured for modulating light from the light source responsive to a set of digital masks corresponding to layers of the structure;projection optics configured to focus the modulated light to an optical plane;a stage configured to support a substrate in contact with a photopolymerizable material within the optical plane, wherein the stage is configured for movement along at least one axis; and controlling the spatial light modulator to project a sequence of images corresponding to the set of digital masks; and', 'coordinating movement of the stage to move a position of the optical plane within the photopolymerizable material to sequentially project each image of the sequence to generate the structure by progressively photopolymerizing the photopolymerizable material along the at least one axis., 'a computer processor operable for2. The system of claim 1 , wherein the spatial light modulator comprises a digital micromirror device.3. The system of claim 1 ...

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Номер записи: 41

30-03-2017 дата публикации

DEVICE FOR THE ADDITIVE MANUFACTURING OF THREE-DIMENSIONAL OBJECTS FROM POWDERY CONSTRUCTION MATERIAL

Номер: US20170087770A1

Автор: Herzog Frank

Принадлежит: CL SCHUTZRECHTSVERWALTUNGS GMBH

A device for the additive manufacturing of three-dimensional objects from powdery construction material by introducing radiation energy, in particular a laser sintering and/or laser melting device, comprising at least one housing having a process chamber, in which process chamber a construction space or an exchangeable container having a vertically movable construction platform is arranged, to which construction platform the powdery construction material provided for solidification by radiation energy can be applied, characterized by a memory chip, which can be removed from the process chamber of the device with the exchangeable container and/or the constructed object and which can be read out by an electronic reading device and on which production data, which belong to the additive manufacturing process, and/or subsequent processing steps and/or processing stations for automatically controlling processing apparatuses and/or transport paths and/or storage positions and/or data from controlling active elements of the exchangeable container itself are stored. 11234563. A device () for the additive manufacturing of three-dimensional objects () from powdery building material () by introducing radiation energy , in particular a laser sintering and/or laser melting device , comprising at least one housing () with a process chamber () , in which a building space or an exchangeable container () is arranged , with a height-adjustable building platform to which the powdery building material () intended for solidifying by means of radiation energy can be applied , characterized by{'b': 16', '6', '2', '5', '1', '15', '7', '11', '12', '8, 'a memory chip (), which can be removed with the exchangeable container () and/or the built object () from the process chamber () of the device (), can be read by means of an electronic reading device () and has stored on it manufacturing data belonging to the additive manufacturing process and/or subsequent processing steps and/or processing ...

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Номер записи: 42

30-03-2017 дата публикации

Method for manufacturing ultrafine fiber

Номер: US20170088980A1

Автор: Atsuo Omaru, Hiroaki Konishi, Taku ICHIBAYASHI

Принадлежит: JX Nippon Oil and Energy Corp

A method for manufacturing ultrafine fibers having an average diameter of less than 1 urn is implemented by an apparatus including a feeder and a drawing chamber in communication with the feeder via an orifice having a pressure difference. The method includes introducing a multifilament to the drawing chamber under the condition that the ratio of the cross-section of the multifilament to the cross-section of the orifice rectifier is 50% or less, and irradiating the discharged multifilament such that the center of the multifilament melted thereby is located I to 15 mm apart vertically below the orifice outlet to melt the leading portion of the multifilament and cause the multifilament to swing at a maximum angle of 5 to 80 degrees to the central orifice axis within a conical space, such that the melted leading portion of the multifilament is drawn by an air stream generated by the pressure difference.

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Номер записи: 43

05-05-2022 дата публикации

3d printing device having a temperature control device for applied print material

Номер: US20220134662A1

Автор: Clemens Lieberwirth, Stefan Beetz, Vincent Morrison

Принадлежит: AIM3D GmbH, Brose Fahrzeugteile SE and Co KG

A 3D printing device includes at least one printing nozzle for a layer-by-layer application of a printing material provided for the production of a component to be printed along a direction of application (R). The 3D printing device has a temperature control device that is configured and provided both to cool and warm already applied printing material in the region of the printing nozzle.

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Номер записи: 44

19-03-2020 дата публикации

Polymeric cutting edge structures and method of manufacturing polymeric cutting edge structures

Номер: US20200086517A1

Автор: Kestutis KURSELIS, Matthias Gester, Roman Kiyan, Ulf Hinze

Принадлежит: Gillette Co LLC

A functional polymeric cutting edge structure and methods for the manufacturing cutting edge structures using polymeric materials are provided. A razor blade for use in a razor cartridge or a blade box for assembly in a razor cartridge frame may be formed using the present invention.

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Номер записи: 45

01-04-2021 дата публикации

Extrusion deposition of non-polymers with laser trace

Номер: US20210094227A1

Автор: WIGAND John Theodore

Принадлежит:

A computer controlled additive manufacturing process in which a non-polymer material and a non-polymer liquid binder are combined to form a paste that is extruded into the volume enclosed by the target model after which a laser beam of sufficient energy is guided along the same extrusion path to remove some portion of liquid binder, transition the material from paste form into solid form, and/or bond the material to surrounding material. 1. A computer controlled additive manufacturing process in which a non-polymer model material consisting of micron sized powder and a non-polymer liquid binder are combined to form a paste that is extruded into the volume enclosed by the target model after which a laser beam of sufficient energy is guided along the same extrusion path to alter the model material's physical properties.2. The process in in which the laser transition action assists in bonding the non-polymer model material in paste form to the surrounding material as its physical properties are altered.3. The process in in which the target model material consists of between 60 and 90 percent micron sized powder combined with 40 to 10 percent liquid binder claim 1 , by weight claim 1 , to form the target model material paste.4. A computer controlled additive manufacturing process in which a non-polymer support structure material consisting of micron sized powder and non-polymer liquid binder combined to form a paste that is extruded into the volume needed to support future model material extrusion after which a laser beam of sufficient energy is guided along the same extrusion path to alter support material's physical properties.5. The process in in which the laser transition action assists in bonding the non-polymer support material in paste form to the surrounding material as its physical properties are altered.6. The process in in which the non-polymer support material consists of between 60 and 90 percent micron sized powder combined with 40 to 10 percent of liquid ...

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Номер записи: 46

01-04-2021 дата публикации

Fiber application head comprising multiple compaction rollers

Номер: US20210094245A1

Автор: Julien COUDURIER, Loic Gaillard

Принадлежит: CORIOLIS GROUP

A fiber application head comprising a compaction system including several independent compaction rollers and compaction cylinders and, for each fiber, cutting means and rerouting means. For each fiber, the head comprises a functional module including cutting means and rerouting means. Each functional module is mounted so as to be movable in translation along a compaction direction on a support element of the head. Each compaction roller is mounted on one or more adjacent functional modules. A compaction cylinder is associated with the functional module(s) associated with a compaction roller for the displacement in translation of the functional module(s). The compaction rollers are arranged in a single row.

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Номер записи: 47

12-05-2022 дата публикации

Printer nozzle structure

Номер: US20220143976A1

Автор: Gabor Molnar, Imre CZINKOTA, Peter BAJCSI, Robert BOBROVNICZKI, Viktor TABOR

Принадлежит: Laser Engineering & Development Ltd

A nozzle structure for discharging printing material onto a substrate is presented. The nozzle structure comprises a tubular member having a distal part that faces the printing plane when in operation and defining an elongated inner cavity along the tubular member for placement a filament printing material. The tubular member comprises light input ports on the proximal part thereof for directing light toward inner surfaces thereof. The tubular member has an elongated tube portion and a distal tip portion at the distal part thereof, configured and operable as a light guide trapping and guiding the input light along the tubular member in a general direction toward the distal part, thereby continuously transferring light field to distal regions of the elongated inner cavity. The distal tip portion is configured to allow the trapped light to escape towards the printing plane, thereby heating a location on the printing plane facing the nozzle.

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Номер записи: 48

06-04-2017 дата публикации

ANTIMICROBIAL ARTICLES PRODUCED BY ADDITIVE MANUFACTURING

Номер: US20170095596A1

Автор: PETRAK Martin, Rodgers Luke M.B.

Принадлежит:

An antibiotic-eluting article for implantation into a mammalian subject, produced by an additive manufacturing process wherein a polymeric material is concurrently deposited with a selected antibiotic. The additive manufacturing process may be a selective laser sintering process or a selective laser melting process or a selective heat sintering process or an electron beam melting process. The antibiotic-eluting article may be temporary or permanent orthopaedic skeletal component, an orthopaedic articulating joint replacement component, and/or an external hard-shell casing for an implantable device. One or more bone-growth-promoting compositions may be concurrently deposited with the polymeric material. The implantable device may be a cardiac pacemaker, a spinal cord stimulator, a neurostimulation system, an intrathecal drug pump for delivery of medicants into the spinal fluid, and infusion pump for delivery of chemotherapeutics and/or anti-spasmodics, an insulin pump, an osmotic pump, and a heparin pump. 1. An antibiotic-eluting article for implantation into a mammalian subject , said antibiotic-eluting article produced by one of a selective laser sintering process , a selective laser melting process , a selective heat sintering process , or an electron beam melting process wherein a polymeric material is concurrently deposited with a selected antibiotic composition.2. The antibiotic-eluting article of claim 1 , wherein the polymeric material is selected from a group consisting of poly(methyl methacrylates) claim 1 , acrylonitrile butadiene styrenes claim 1 , polycarbonates claim 1 , blends of acrylonitrile butadiene styrene(s) and polycarbonate(s) claim 1 , polyether ether ketones claim 1 , polyethylenes claim 1 , polyamides claim 1 , polylactic acids claim 1 , polyphenylsulfones claim 1 , polystyrenes claim 1 , nylon claim 1 , methylmethacrylates claim 1 , polylactides claim 1 , polyglycolides claim 1 , polycaprolactones claim 1 , polyanhydrides claim 1 , ...

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Номер записи: 49

06-04-2017 дата публикации

Binder activation by means of light-emitting diodes in the production of fibre-reinforced plastic laminate

Номер: US20170095985A1

Автор: Christian Weimer, Franz ENGEL, Katharina Schlegel, Tilman Orth

Принадлежит: Airbus Defence and Space GmbH

An activation device used for binder activation during the production of a fiber-reinforced plastic laminate. The activation device has at least one light-emitting diode for heating a portion of at least one semi-finished fiber ribbon. A method is used for producing a fiber-reinforced plastic laminate. It comprises automatically laying at least one semi-finished fiber ribbon on a laying support, heating at least one portion of the semi-finished fiber ribbon by means of one or more light-emitting diode(s) of an activation device, and pressing the heated portion of the semi-finished fiber ribbon on the laying support.

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Номер записи: 50

13-04-2017 дата публикации

Three-Dimensional Printing Using Tiled Light Engines

Номер: US20170100885A1

Автор: Alexander Ermoshkin, Joseph M. Desimone, Nordstrom Kirk PHELPS

Принадлежит: Carbon Inc

A method of forming a three-dimensional object includes: providing a carrier and an optically transparent member having a build surface, the carrier and the build surface defining a build region therebetween, filling the build region with a polymerizable liquid, irradiating the build region with light through the optically transparent member to form a solid polymer from the polymerizable liquid, and advancing the carrier away from the build surface to form the three-dimensional object from the solid polymer. The irradiating step is carried out with a plurality of tiled images projected into the build region, and each tiled image includes an array of projected pixels. An apparatus to perform the method is also discloses.

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Номер записи: 51

02-06-2022 дата публикации

Resin molding method

Номер: US20220168968A1

Автор: Fumio Kurihara, Shingo Kagawa

Принадлежит: Micro AMS Inc

A resin molding method is capable of reducing the use amount of micropellets and obtaining a resin molded article having required characteristics. A resin molding method includes a disposing step of disposing a preliminary molded body laminated and formed in a three-dimensional shape in a molding die, a filling step of heating and melting the preliminary molded body by an electromagnetic wave transmitted through the molding die and filling the molding die with a molten resin material, and a cooling step of cooling and solidifying the molten resin material in the molding die. In the cooling step, a resin molded article integrated so as to eliminate a lamination interface of the preliminary molded body is formed in the molding die.

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Номер записи: 52

19-04-2018 дата публикации

Needle cannula-catheter bonding method and apparatus

Номер: US20180104442A1

Автор: Kurt SHIMER, Matthew GUNN, Raymond Bizup

Принадлежит: Medical Components Inc

A cannula-catheter bonding method and apparatus can include a needle having a specifically configured connector end to reduce the risk of the connector end disengaging with an adapter (e.g., a catheter, a cannula, or a connector of a Huber needle assembly, etc.). The specifically configured needle connector end can be a formation, such as a barb, a bead, an annular structure, a rib, etc. The formation can be formed on the connector end, and may be elongated with a conical shaped nose leading to a base with a bottom. The formation can be used to prevent movement of the needle relative to the adapter. A method for producing the formation can include forming a mold for the formation in a plate, where the connector end can then be placed within the mold so that curable material can be disposed within the mold. Upon hardening of the curable material, the formation can take the shape of at least a portion of the mold.

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Номер записи: 53

29-04-2021 дата публикации

Polymer composites and methods of making

Номер: US20210122125A1

Автор: Andrew J. Ouderkirk, Erin A. McDOWELL, Jo A. Etter, Kristy A. Jost, Rachel ANDREASEN, Robert R. Kieschke

Принадлежит: 3M Innovative Properties Co

Polymer composites and methods of making wherein the polymer composites include a continuous matrix phase and a reinforcing phase, with varying properties (material and/or physical).

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Номер записи: 54

30-04-2015 дата публикации

METHOD FOR PRODUCING OPHTHALMIC LENSES

Номер: US20150115485A1

Автор: Huang Horngyih, Lu Honghui

Принадлежит:

The invention provides a method for producing ophthalmic lenses, preferably contact lenses, more preferably silicone hydrogel contact lenses. This method involves applying a coat of catanionic vesicles onto the molding surfaces of a mold. By having a coat of catanionic vesicles on the molding surfaces of a mold, mold separation force and lens defects generated during mold opening and de-molding process can be substantially reduced. 1. A method for making contact lenses , comprising the steps of:(1) obtaining a fluid lens-forming composition and a mold, wherein the fluid lens-forming composition comprises at least one member selected from the group consisting of a hydrophilic vinylic monomer, a silicone containing vinylic monomer, a silicone-containing crosslinker, a silicone-containing prepolymer, a hydrophilic prepolymer free of silicone, and combinations thereof, wherein the mold has a first mold half with a first molding surface defining the anterior surface of a contact lens and a second mold half with a second molding surface defining the posterior surface of the ophthalmic lens, wherein said first and second mold halves are configured to receive each other such that a cavity is formed between said first and second molding surfaces;(2) applying a coating of an aqueous catanionic solution containing a cationic surfactant and an anionic surfactant onto the first molding surface and/or the second molding surface, wherein the weight percentage ratio of the anionic surfactant over the cationic surfactant in the aqueous solution is from about 0.1 to about 10;(3) drying the coating of the aqueous catanionic solution to form a coat of catanionic vesicles on the first and/or second molding surface, wherein the formation of the coat of the catanionic vesicles on the first and/or second molding surfaces is characterized by having a percentage of reduction in mold separation force of at least about 50% relative to a control mold without any coat of catanionic vesicles ...

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Номер записи: 55

29-04-2021 дата публикации

Systems and Methods for Curing a Shaped Film

Номер: US20210124260A1

Автор: Amir Tavakkoli Kermani Ghariehali, Edward Brian Fletcher

Принадлежит: Canon Inc

Systems and methods for shaping a film. Formable material in an imprint field on the substrate may be contacted with a shaping surface of a template. Outer boundaries of the imprint field correspond to outer boundaries of the shaping surface. Shaping the film includes forming a cured layer within the imprint field while the shaping surface is in contact with the formable material. Shaping the film may include separating the shaping surface from the cured layer. Shaping the film may include moving the template away from the imprint field to a first offset location wherein the outer boundaries of the shaping surface are offset relative to the outer boundaries of the imprint field. Shaping the film may include curing a second portion of the formable material while the template is at the first offset location so as to form the shaped film.

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Номер записи: 56

26-04-2018 дата публикации

FIBER APPLICATION HEAD WITH A SPECIFIC APPLICATION ROLL

Номер: US20180111341A1

Автор: LEBORGNE Olivier

Принадлежит: CORIOLIS COMPOSITES

The invention relates to a fiber application head for manufacturing composite material pars and to a corresponding manufacturing method, said head including: 1. A fiber application head for producing composite material parts , comprising:an application roll for the application of a band formed of one or more fibers onto an application surface;a main guide system for guiding at least one fiber towards said application roll;a heating system capable of emitting thermal radiation in the direction of the hand, just before application by the application roll;a cooling system capable of cooling the application roll from the outside,wherein the head comprises a drive system capable of driving in rotation the application roll, when the roll is not in contact with the application surface.2. The head according to claim 1 , wherein the drive system comprises at least one motorized drive means able to be moved between an inactive position in which said drive means is remote from the application roll claim 1 , and an active position in which said drive means is in contact with the application roll for positively driving the latter in rotation.3. The head according to claim 2 , wherein the drive system comprises at least one motorized drive roller with an axis of rotation parallel to the axis of rotation of the application roll claim 2 , said roller being able to be moved between an inactive position in which the roller is remote from the cylindrical outer surface of the application roll claim 2 , and an active position in which the roller is in contact \vial the cylindrical outer surface of the application roll tot positively driving the latter in rotation.4. The head according to claim 1 , wherein the cooling system is capable of uniting a gas flow in the direction of the application roll.5. The head according to claim 4 , wherein the cooling system comprises a nozzle supplied with a gas flow claim 4 , the nozzle partially covering the cylindrical outer surface of the roll.6. ...

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Номер записи: 57

09-06-2022 дата публикации

Formulations with active functional additives for 3d printing of preceramic polymers, and methods of 3d-printing the formulations

Номер: US20220177373A1

Автор: John H. Martin, Kenneth CANTE, Tobias A. Schaedler, Zak C. ECKEL

Принадлежит: HRL LABORATORIES LLC

This invention provides resin formulations which may be used for 3D printing and pyrolyzing to produce a ceramic matrix composite. The resin formulations contain a solid-phase filler, to provide high thermal stability and mechanical strength (e.g., fracture toughness) in the final ceramic material. The invention provides direct, free-form 3D printing of a preceramic polymer loaded with a solid-phase filler, followed by converting the preceramic polymer to a 3D-printed ceramic matrix composite with potentially complex 3D shapes or in the form of large parts. Other variations provide active solid-phase functional additives as solid-phase fillers, to perform or enhance at least one chemical, physical, mechanical, or electrical function within the ceramic structure as it is being formed as well as in the final structure. Solid-phase functional additives actively improve the final ceramic structure through one or more changes actively induced by the additives during pyrolysis or other thermal treatment.

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Номер записи: 58

09-04-2020 дата публикации

Multiple-Wavelength Lens Forming System and Method

Номер: US20200110282A1

Автор: Powell Paul Mark, Sites Peter W., Widman Michael F., Wood Joe M.

Принадлежит:

An apparatus and method for forming a contact lens. The method includes the steps of obtaining a Lens Reactive Mixture; submerging a convex optical quality surface of a forming optic in a reservoir containing the Lens Reactive Mixture; projecting a first Actinic Radiation having a first spectrum of wavelengths through pre-selected regions of the forming optic; wherein the pre-selected regions correspond to locations of the contact lens to be formed having a thickness greater than a pre-determined thickness, and wherein the first Actinic Radiation is selectively controlled to selectively polymerize or partially polymerize the Lens Reactive Mixture on a Voxel by Voxel basis at the pre-selected regions; projecting a second Actinic Radiation having a second different spectrum of wavelengths through the forming optic over a second region corresponding to an entirety of the contact lens to be formed, wherein the second Actinic Radiation is selectively controlled to selectively polymerize or partially polymerize the Lens Reactive Mixture on a Voxel by Voxel basis across the forming optic to form a Lens Precursor; removing the forming optic and formed Lens Precursor from the Lens Reactive Mixture; and applying a Fixing Radiation to form the contact lens. 1. A method for forming a contact lens comprising:obtaining a Lens Reactive Mixture;submerging a convex optical quality surface of a forming optic in a reservoir containing said Lens Reactive Mixture;projecting a first Actinic Radiation having a first spectrum of wavelengths through pre-selected regions of said forming optic; wherein said pre-selected regions correspond to locations of said contact lens to be formed having a thickness greater than a pre-determined thickness, and wherein said first Actinic Radiation is selectively controlled to selectively polymerize or partially polymerize said Lens Reactive Mixture on a Voxel by Voxel basis at said pre-selected regions;projecting a second Actinic Radiation having a second ...

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Номер записи: 59

03-05-2018 дата публикации

SELECTIVE SINTERING OF STRUCTURALLY MODIFIED POLYMERS

Номер: US20180117840A1

Автор: Leuterer Martin, MUELLER Frank, Pfister Andreas

Принадлежит:

A three-dimensional object is manufactured by selective sintering by means of electromagnetic radiation, wherein the powder comprises a polymer or copolymer having at least one of the following structural characteristics: 119-. (canceled)20. A three-dimensional object obtained by a selective sintering of a polymer , a copolymer or a blend of polymers in powder form by means of electromagnetic radiation , wherein the polymer or copolymer used for the powder has at least one of the following structural characteristics (i) to (iv):(i) at least one branching group in the backbone chain of the polymer or copolymer, provided that in case of the use of polyaryletherketones (PAEK) the branching group is an aromatic structural unit in the backbone chain of the polymer or copolymer;(ii) modification of at least one end group of the backbone chain of the polymer or copolymer;{'sub': '2', '(iii) at least one bulky group in the backbone chain of the polymer or copolymer, provided that in case of the use of polyaryletherketones (PAEK) the bulky group is not selected from the group consisting of phenylene, biphenylene, naphthalene and CH- or isopropylidene-linked aromatics;'}(iv) at least one aromatic group non-linearly linking the backbone chain.21. The three-dimensional object according to claim 20 , wherein the polymer or copolymer or blend of polymers has at least one of the characteristics selected from the group of:{'sub': 'm', 'a melting point Tin a range of 100° C. to 450° C.;'}{'sub': 'G', 'a glass transition temperature Tin a range of 50 to 300° C.;'}{'sub': n', 'w, 'a number average Mof at least 10,000 or a weight average Mof at least 20,000; and'}a polymerization degree n of 10 to 10,000.22. The three-dimensional object according to claim 20 , wherein the polymer or copolymer or blend of polymers is formed on the basis of polyamide (PA) claim 20 , polyaryletherketone (PAEK) claim 20 , polyarylethersulfone (PAES) claim 20 , polyester claim 20 , polyether claim 20 , ...

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Номер записи: 60

04-05-2017 дата публикации

EXTRUDED POLYCARBONATE STICKER FOR SPACING WOOD

Номер: US20170120496A1

Автор: Templeman Scott W., Templeman Steven W.

Принадлежит:

A sticker for spacing wood is extruded from an alloy that includes polycarbonate resin and polysulfone resin. The sticker can have a variety of different configurations, including a top surface that includes contact points that have an area substantially smaller than the area of the top surface, a single or multiple internal longitudinal hallow chambers separated by multiple reinforcing members, longitudinal external grooves that allow airflow, lateral external grooves that intersect the longitudinal external grooves, curved sides for a version where the stickers are placed manually, and substantially straight sides for a version where the stickers are placed by a machine. A method for manufacturing the sticker includes pulling an extrusion with a puller that includes a plurality of teeth that provide a first plurality of lateral grooves running substantially perpendicular to a longitudinal axis of the extrusion in a top and bottom surface of the extrusion. 1. A method for manufacturing a sticker for spacing wood , the method comprising:providing an alloy comprising polycarbonate resin, and polysulfone resin that is at least 10% of the alloy by weight;drying the alloy until the moisture content of the alloy is less than 0.02%;injecting carbon black into the dried alloy as the dried alloy is fed into an extruder;the extruder extruding the alloy into an extrusion;passing the extrusion through multiple sizers in a liquid cooling tank;passing the extrusion through a wiping gasket in the liquid cooling tank into an air drying area;pulling the extrusion with a puller that includes a plurality of teeth that provide a first plurality of lateral grooves running substantially perpendicular to a longitudinal axis of the extrusion in a top and bottom surface of the extrusion; andcutting the extrusion to at least one specified length.2. The method of further comprising engraving information on the extrusion using a laser.3. The method of wherein the tensile break strength of the ...

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Номер записи: 61

04-05-2017 дата публикации

Method for repairing or reinforcing structure, method for producing repaired or reinforced structure and adhesive sheet

Номер: US20170120547A1

Автор: Kentaro Hoshi, Takahisa Taniguchi, Tomoyuki Tachikawa

Принадлежит: DAI NIPPON PRINTING CO LTD

There is provided a method for repairing or reinforcing a structure. The method includes the steps of: providing an adhesive sheet comprising an adhesive layer comprising at least a curable resin composition whose curing is promoted by irradiation with ionizing radiation and a curing aid which generates a basic substance by irradiation with ionizing radiation; attaching the adhesive sheet to a surface of the structure; and curing the adhesive layer of the adhesive sheet in a state where the adhesive layer is exposed.

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Номер записи: 62

27-05-2021 дата публикации

THREE-DIMENSIONAL SHAPED ARTICLE PRODUCTION METHOD

Номер: US20210154891A1

Автор: Hirai Toshimitsu, ISHIDA Masaya, OKAMOTO Eiji, WADA Hiroshi

Принадлежит:

A three-dimensional shaped article production method for producing a three-dimensional shaped article by stacking layers to form a stacked body includes a constituent layer formation step of forming a constituent layer which corresponds to a constituent region of the three-dimensional shaped article, a support layer formation step of forming a support layer which is in contact with the constituent layer and supports the constituent layer, and a sintering step of sintering the constituent layer, wherein the support layer is configured such that as compared with the volume decrement accompanying the sintering step of a space surrounded by the constituent layer from at least two directions, the volume decrement accompanying the sintering step of the support layer which supports the constituent layer in the space is larger. 1. A method for producing a three-dimensional shaped article by stacking layers to form a stacked body , the method comprising:a constituent layer formation step of forming a constituent layer which correspond to a constituent region of the three-dimensional shaped article using a constituent material containing metal particles and a binder;a support layer formation step of forming a support layer that are in contact with the constituent layer and that support the constituent layer using a support layer forming material containing a binder;a stacking step of forming the stacked body by repeatedly performing the constituent layer formation step and the support layer formation step; anda sintering step of sintering the stacked body including the constituent layers and the support layers at the same time in a high-temperature chamber,wherein, a volume decrement of the support layers in the sintering step is higher than a volume decrement of the constituent layers in the sintering step,wherein, at least a portion of the support layer in a space surrounded by the constituent layer from at least two directions, includes a first region and a second region, ...

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Номер записи: 63

27-05-2021 дата публикации

Heating System for Fiber-Reinforced Thermoplastic Feedstock and Workpiece

Номер: US20210154928A1

Автор: Hemant Bheda, Leonid Michael Treyger, Zachary Aaron August

Принадлежит: Arevo Inc

An additive manufacturing system is disclosed that comprises two or more lasers for precisely heating a fiber-reinforced thermoplastic feedstock and a fiber-reinforced thermoplastic workpiece in preparation for depositing and tamping the feedstock onto the workpiece. The system employs feedforward, a variety of sensors, and feedback to ensure that the feedstock and workpiece are properly heated.

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Номер записи: 64

27-05-2021 дата публикации

COMPONENT FOR A VEHICLE AND METHOD FOR PRODUCING SUCH A COMPONENT

Номер: US20210154969A1

Автор: Baranowski Thomas, BRODA Maik, Franzen Markus, Rebmann Pascal

Принадлежит: FORD GLOBAL TECHNOLOGIES, LLC

A vehicle component () includes at least one dimensionally stable component base body () and at least one plastic layer () which is connected to at least one subregion of the component base body () in a materially bonded and areal manner and forms a surface portion of the component (). In order to provide a component () which can be produced in a rapid and cost-effective manner and which has at least one customizable surface portion, the plastic layer () comprises a proportion of a thermally activatable foaming agent which is configured in such a way that a temperature for producing the plastic layer () is lower than a temperature for activating the foaming agent. 1. A vehicle component comprising:at least one dimensionally stable component base body; andat least one plastic layer connected to at least one subregion of the component base body in a materially bonded and areal manner such that the at least one plastic layer forms a surface portion of the vehicle component, the at least one plastic layer including a proportion of a thermally activatable foaming agent,wherein a temperature for producing the at least one plastic layer is lower than an activation temperature for activating the foaming agent.2. The vehicle component of claim 1 , wherein the at least one plastics layer comprises a polyvinyl chloride or an olefin-based thermoplastic elastomer.3. The vehicle component of claim 2 , wherein the at least one plastics layer is adhesively bonded onto the component base body.4. The vehicle component of claim 1 , wherein the foaming agent is foamed in certain regions to form at least one alphanumeric structure or at least one graphical item on the vehicle component.5. The vehicle component of claim 1 , wherein the vehicle component is a lining component for a vehicle interior.6. The vehicle component of claim 1 , wherein the at least one plastics layer is adhesively bonded onto the component base body.7. A method for producing a component for a vehicle comprising: ...

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Номер записи: 65

10-05-2018 дата публикации

CONTOUR FORM CONTROL

Номер: US20180126678A1

Автор: Powell P. Mark, Widman Michael, Wildsmith Christopher

Принадлежит:

This invention describes methods and apparatus for implementing a Convergence Process to Converge a Lens Design wherein a previous DMD Show may be modified for a subsequent Iteration. In preferred embodiments, an Iterative Loop may be initiated during a Convergence Process wherein one or more of various: techniques, modalities, and thickness correction methods may be implemented. 2. The method according to claim 1 , wherein said Convergence process is a convergence masking technique.3. The method according to claim 2 , wherein said convergence masking technique masks a selected region of said first DMD Show claim 2 , and wherein the selected region comprises one or more of a radius claim 2 , a sector claim 2 , a segment claim 2 , and an area.4. The method according to claim 3 , wherein said convergence masking technique comprises a Blend Zone.5. The method according to claim 4 , wherein said Blend Zone comprises one or more specified zones connecting said selected masking region to one or more of a non-masked region.6. The method according to claim 1 , wherein said Convergence process comprises a one-sided modality.7. The method according to claim 6 , wherein said one-sided modality comprises adjusting one or more instructions of said first DMD Show by either decreasing a value of said instructions or increasing said value of said instructions.8. The method according to claim 6 , wherein said one-sided modality comprises a piston-shifting technique.9. The method according to claim 8 , wherein said piston-shifting technique comprises performing a uniform shift of an equal amount claim 8 , of a selected portion of said first DMD Show instruction.10. The method according to claim 6 , wherein said one-sided modality comprises an apex-locking technique.11. The method according to claim 10 , wherein said apex-locking technique comprises a locked Iwherein said Iis set to a specified value claim 10 , that remains constant during said modification of said first DMD Show.12. ...

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Номер записи: 66

11-05-2017 дата публикации

Apparatus and method for forming three-dimensional objects using linear solidification with contourless object data

Номер: US20170129168A1

Автор: Alexander NAM, Alexandr Shkolnik, Ali El-Siblani, Mohamad Janbain

Принадлежит: Global Filtration Systems Inc

An apparatus and method for making a three-dimensional object from a solidifiable material using a linear solidification device and contourless object data is shown and described. A voxel matrix is superimposed over an object model defined by three-dimensional object data to determine active voxels that intersect at least a portion of the object model. The active voxels are related to a path generation reference frame of an apparatus for making a three-dimensional object to generate solidification energy source event data that defines scanning (y) axis locations and/or solidification times at which a linear solidification device supplies solidification energy to a solidifiable material.

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Номер записи: 67

21-05-2015 дата публикации

METHODS FOR SHAPING GREEN BODIES AND ARTICLES MADE BY SUCH METHODS

Номер: US20150137400A1

Автор: Abels Norbert, Backes Claus-H.

Принадлежит:

A method of shaping a green body provides a shaped green body comprised of a plurality of sinterable particles and an organic binder. Such a method includes: (1) molding a mixture of sinterable particles and organic binder into the shape of an initial green body or intermediate, wherein the sinterable particles include at least one of metal particles or ceramic particles; and (2) shaping the green body intermediate with at least one of a stream of energy or a stream of matter, wherein the shaping yields a green body having a desired shape. The shaped green body can be sintered in order to provide a hardened body having substantially the shape of the shaped green body. 1. A method of manufacturing an orthodontic bracket or an orthodontic base plate , comprising:molding a mixture of sinterable particles and organic binder into a desired shape of a green body;removing sinterable particles from the green body using at least one of a stream of energy or a stream of matter to yield a plurality of protrusions, recesses, and undercuts that define an irregular and uneven surface on the green body; andsintering the green body to form an orthodontic bracket or an orthodontic base plate.2. The method of claim 1 , wherein the irregular and uneven surface forms at least a portion of a surface configured to attach the orthodontic bracket or the orthodontic base plate to a tooth.3. The method of claim 1 , wherein removing sinterable particles further includes vaporizing claim 1 , melting claim 1 , and/or burning the binder associated with the removed sinterable particles.4. A method of manufacturing an orthodontic bracket or an orthodontic base plate claim 1 , comprising:molding a mixture of sinterable particles and organic binder into a desired shape of a green body;removing sinterable particles from the green body using at least one of a stream of energy or a stream of matter such that the particles exposed following removing define an irregular and uneven surface on the green ...

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Номер записи: 68

03-06-2021 дата публикации

Methods and Apparatus for Selectively Combining Particulate Material

Номер: US20210162658A1

Автор: HOPKINSON Neil, Thomas Helen Rhiannon

Принадлежит:

A method of selectively combining particulate material, comprising: (i) providing a layer of particulate material to a part bed; (ii) providing radiation to sinter a portion of the material of the layer; (iii) providing a further layer of particulate material overlying the prior layer of particulate material including the previously sintered portion of material; (iv) providing radiation to sinter a further portion of the material within the overlying further layer and to sinter said further portion with the previously sintered portion of material in the prior layer; (v) successively repeating blocks (iii) and (iv) to form a three-dimensional object; and wherein at least some of the layers of particulate material are pre-heated with a heater prior to sintering a portion of the material of the respective layer, the heater being configured to move relative to, and proximate, the particulate material. 1. (canceled)2. An apparatus comprising:a roller configured as a particulate material deposition device;a source of radiation for sintering particulate material;a radiant heater for pre-heating particulate material, wherein the radiant heater is separate to and positioned adjacent the roller and is configured to traverse above a surface of a part bed following the roller in order to transfer heat, via radiation, to deposited particulate material; and (i) control provision of a layer of particulate material to a part bed using the roller;', '(ii) control provision of radiation to sinter a portion of the particulate material of the layer;', '(iii) control provision of a further layer of particulate material overlying a previously provided layer of particulate material including a previously sintered portion of particulate material using the roller;', '(iv) control provision of radiation to sinter a further portion of the particulate material within the further layer and to sinter the further portion with the previously sintered portion;', '(v) control successive repeating of ...

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Номер записи: 69

18-05-2017 дата публикации

UNIT FOR PROCESSING BLANKS PROVIDED WITH AN OPTICAL CONFINEMENT SECTION HAVING CONVERGENT WALLS

Номер: US20170136682A1

Автор: Feuilloley Guy, LAHOGUE Yoann

Принадлежит:

The unit () for processing hollow-body plastic blanks () includes a chamber () wherein the blanks () move along a predetermined path. The chamber () is defined, on both sides of the path, by two side walls () having inner surfaces () that face each other. The chamber () includes a main section () wherein at least one of the walls () is provided with a plurality of electromagnetic radiation sources (). The side walls () define therebetween, on at least one end of the chamber, an opening () for the preforms to pass therethrough. The chamber () includes at least one optical confinement section () that extends between the main section () and the opening () and wherein the inner surfaces () of the side walls () are optically reflective and converge toward the opening (). 1126263456934103482612985348. Unit () for processing hollow-body blanks () of plastic material , which comprises a chamber () in which the blanks () advance by following a predetermined pathway (T) , this chamber () being delimited on both sides of the pathway (T) by two lateral walls ( , ) having opposing inner faces () , this chamber () comprising a main section () in which at least one of the walls ( , ) is provided with numerous sources () of electromagnetic radiation , the lateral walls ( , ) defining between themselves , at at least one end of the chamber , an opening () for the passage of the blanks () , this chamber () further comprising at least one optical confinement section () , which extends between the main section () and the opening () , and in which the inner faces () of the lateral walls ( , ) are optically reflective and converging in the direction of the opening () ,{'b': 6', '18', '12', '8', '5', '3', '4, 'wherein the chamber () comprises an absorption section (), which extends between the optical confinement section () and the opening (), and in which the inner faces () of the lateral walls (, ) are optically absorbent.'}2112534. Processing unit () according to claim 1 , wherein ...

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Номер записи: 70

09-05-2019 дата публикации

Providing powder in three-dimensional (3d) additive manufacturing

Номер: US20190134897A1

Автор: Brent EWALD, Kenneth R. Williams, Michael F. Klopfenstein

Принадлежит: Hewlett Packard Development Co LP

In an example implementation, a method of providing build powder for additive manufacturing of a three-dimensional (3D) object includes blending input powders into a blended powder for producing a 3D object. During the blending, a material strength value of each input powder can be determined. Based on the material strength value of each input powder, a ratio of the input powders can be calculated to achieve a specified material strength in the blended powder. The feed rate of the input powders can then be adjusted according to the ratio.

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Номер записи: 71

10-06-2021 дата публикации

Laser processing of foam for improved performance in negative pressure wound therapy

Номер: US20210169700A1

Автор: Arvey Ken, Hill Kimberly

Принадлежит:

A negative pressure wound dressing and method of making same includes a flexible foamed polymeric material having a plurality of channels or holes formed by a laser within the cellular structure thereof, the flexible foamed polymeric material for use to contact a wound contact surface in negative pressure wound treatment. 1. A negative pressure wound dressing comprising a flexible foamed polymeric material having a plurality of channels or holes formed by a laser , the holes formed within the cellular structure thereof , the flexible foamed polymeric material for use to contact a wound in negative pressure wound treatment.2. The negative pressure wound dressing of wherein a portion of the flexible foamed polymeric material comprises a wound contact surface having a topography comprising channels or holes within the flexible foamed polymeric material.3. The negative pressure wound dressing of wherein a portion of the topography of the flexible foamed polymeric material was processed by a laser and is characterized by minimal reduction in fluid flow in areas that were processed by the laser.4. A method comprising laser processing a flexible foamed polymeric material whereby a portion of the foamed material is removed by a laser beam without otherwise affecting the cellular structure of the material or reducing the fluid flow characteristics of the flexible foamed polymeric material.5. The method of wherein the flexible foam polymeric material is subsequently used in negative pressure wound treatment.6. The method of wherein the portion of the flexible foamed polymeric material that is removed results in a change in topography of a wound contact surface of the flexible foamed polymeric material or production of channels or holes within the flexible foamed polymeric material.7. The method of wherein the portion of the foamed material being removed is digitally controlled.8. The method of wherein the flexible foamed polymeric material produced by the process of this ...

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Номер записи: 72

24-05-2018 дата публикации

Method and apparatus for solid freeform fabrication of objects with improved resolution

Номер: US20180141270A1

Автор: Adam T.C. Steege

Принадлежит: Trio Labs Inc

A fabrication device includes a build surface for production of a 3-dimensional solid component, a material delivery system configured to deposit one or more build materials on the build surface, at least one of the one or more build materials being a photocurable material, a first imaging component having a first resolution, and a second imaging component having a second resolution different from the first resolution. In this configuration, the first imaging component and the second imaging component are operable individually and in combination together to selectively irradiate the photocurable material to at least partially solidify successive layers of the 3-dimensional solid component In one example, the lower resolution imaging component solidifies bulk interior regions and the higher resolution component solidifies detailed borders.

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Номер записи: 73

21-08-2014 дата публикации

Method and apparatus for fabricating a fibre reinforced thermoplastic composite structure

Номер: US20140230993A1

Автор: David Inston

Принадлежит: Airbus Operations Ltd

An apparatus for fabricating a fibre reinforced thermoplastic composite structure is described. The apparatus comprises a localised heat source arranged to heat a portion of a stack of fibre reinforced thermoplastic material layers and an ultrasonic transducer arranged to locally introduce ultrasonic energy waves to the heated portion of the fibre reinforced thermoplastic material layers. The apparatus makes it possible to achieve ultrasonic consolidation of the layers occurs.

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Номер записи: 74

31-05-2018 дата публикации

LASER DEPOSITION AND ABLATION FOR ADDITIVE AND ABLATION MANUFACTURING

Номер: US20180147628A1

Автор: Malas Akin, Moroz Grzegorz, Saxena Neeraj

Принадлежит:

An apparatus for manufacturing an object includes a first assembly including a laser for laser-based additive manufacturing of a powder material for forming the object, and a second assembly coacting with the first assembly for cooling at least a portion of said object during said additive manufacturing. An apparatus for manufacturing an object may also include a first assembly including a laser for laser-based ablation of a material structure for forming the object, and a second assembly coacting with the first assembly for cooling at least a portion of said material structure during said ablation manufacturing. Related methods are also provided. 1. An apparatus for manufacturing an object , comprising:a first assembly including a laser for laser-based additive manufacturing of a powder material for forming the object, and a second assembly coacting with the first assembly for cooling at least a portion of said object during said additive manufacturing.2. The apparatus of claim 1 , wherein the laser comprises a laser rastering apparatus aligned with the second assembly for the cooling during said additive manufacturing.3. The apparatus of claim 1 , wherein the second assembly comprises a scanner apparatus constructed and arranged to scan for an impact region on the powder material for the laser emitted from the first assembly.4. The apparatus of claim 1 , wherein the second assembly comprises;a tube having a passageway therethrough; anda liquefied gas for being provided through the passageway to said object during said additive manufacturing.5. The apparatus of claim 4 , wherein said liquefied gas is a cryogen selected from the group consisting of liquid CO claim 4 , liquid nitrogen claim 4 , and liquid argon.6. The apparatus of claim 4 , wherein the passageway of the tube has an opening with a diameter in a range of from 10 microns to one millimeter through which the liquefied gas is delivered.7. The apparatus of claim 6 , wherein the opening is within 10 mm from ...

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Номер записи: 75

31-05-2018 дата публикации

Monomer formulations and methods for 3d printing of preceramic polymers

Номер: US20180148380A1

Автор: Andrew P. Nowak, April R. Rodriguez, Ashley M. Nelson, Zak C. ECKEL

Принадлежит: HRL LABORATORIES LLC

This invention provides resin formulations which may be used for 3D printing and pyrolyzing to produce a ceramic matrix composite. The resin formulations contain a solid-phase filler, to provide high thermal stability and mechanical strength (e.g., fracture toughness) in the final ceramic material. The invention provides direct, free-form 3D printing of a preceramic polymer loaded with a solid-phase filler, followed by converting the preceramic polymer to a 3D-printed ceramic matrix composite with potentially complex 3D shapes or in the form of large parts. Other variations provide active solid-phase functional additives as solid-phase fillers, to perform or enhance at least one chemical, physical, mechanical, or electrical function within the ceramic structure as it is being formed as well as in the final structure. Solid-phase functional additives actively improve the final ceramic structure through one or more changes actively induced by the additives during pyrolysis or other thermal treatment.

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Номер записи: 76

21-08-2014 дата публикации

Means for manufacturing micro-beads comprising thermoplastic polymer micro-particles

Номер: US20140234625A1

Автор: Akihiro Suzuki

Принадлежит: University of Yamanashi NUC

The present invention relates to means for manufacturing micro-beads (polymer micro-particles) comprising thermoplastic polymer and having the average particle size of 10 μm or less, and extending into the nano-range. An original filament comprising a thermoplastic polymer is passed through an orifice under an air pressure (P1) and guided to a spray chamber under a pressure (P2; where P1>P2). The original filament having passed through the orifice is heated and melted under irradiation by an infrared beam, and is sprayed in microparticulate form from the orifice by the flow of air generated by the pressure differential between P1 to P2, whereby micro-beads comprising thermoplastic polymer micro-particles having an average particle size of 10 μm or less, and even less than 1 μm are manufactured.

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Номер записи: 77

01-06-2017 дата публикации

FREESPACE COMPOSITE MANUFACTURING PROCESS AND DEVICE

Номер: US20170151731A1

Автор: Doetzer Florian, Drechsler Klaus, Ho Yew Chi Peter, Lim Chee Meng

Принадлежит:

The application provides a movable apparatus for forming a thermo-softening part. The apparatus includes a first placement unit, a second placement unit, and a heat source. The first placement unit comprises one or more first rollers, which are movable in a first predetermined path. The second placement unit comprises one or more second rollers, which correspond to the first rollers. The second rollers are movable in a second predetermined path. The heat source is provided for heating an elongated thermo-softening material to a predetermined temperature. The first rollers and the second rollers are provided on opposite sides of the elongated thermo-softening material for compressing the thermo-softening material to form the thermo-softening material. 2. The movable apparatus according to claim 1 , wherein the first placement unit further comprises a first thermo-softening material storage and delivery device.3. The movable apparatus according to claim 2 , wherein the first thermo-softening material storage and delivery device comprises a first reel.4. The movable apparatus according to claim 3 , wherein the first reel is adapted for storing a first thermo-softening material in the form of a tape or in a form of a bundle of fibers.5. The movable apparatus according to claim 1 , wherein the first placement unit further comprises a first temperature sensor for measuring a temperature of the first thermo-softening material.6. The movable apparatus according to claim 1 , wherein the first placement unit further comprises a first distance measuring device for measuring a length of the compressed first thermo-softening material.7. The movable apparatus according to claim 1 , wherein the first placement unit further comprises a first thermo-softening material inspection device.8. The movable apparatus according to claim 1 , wherein the first placement unit further comprises a first device for cooling the first thermo-softening material.9. The movable apparatus according to ...

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Номер записи: 78

09-06-2016 дата публикации

Laser-Based Marking Method and Apparatus

Номер: US20160158885A1

Автор: Andrey NEMERA, Joseph Dallarosa

Принадлежит: IPG Photonics Corp

A method for marking a thin workpiece is designed to prevent deformation of the workpiece. A plurality of lasers are opposed to respective opposite sides of the workpiece so as to both sides are heat treated. The lasers can operate synchronously with the respective emitted beams aligned with one another. As a result, the workpiece does not exhibit signs of deformation upon the completion of the marking. The workpiece is made either from plastic or metals and has a thickness not exceeding 2 millimeters. The lasers each are configured as either a fiber laser or a gas laser. The marking can be performed by lasers which are configured uniformly or non-uniformly and includes annealing, engraving and ablating. The marking can be performed synchronously or sequentially. The multi-surface marking could also be used to cause “distortion of the surface in a more controlled or desired fashion.

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Номер записи: 79

07-06-2018 дата публикации

RESIN MOLDED ARTICLE AND METHOD FOR PRODUCING SAME

Номер: US20180154562A1

Автор: Izumi Ryosuke, Yamakawa Hiroyuki

Принадлежит:

A resin molded article includes a thermosetting resin member and a thermoplastic resin member sealing a sealed surface of the thermosetting resin member. An exposed surface of the thermosetting resin member is exposed to an outside of the thermoplastic resin member. An additive having a functional group is added to the thermoplastic resin member. The thermosetting resin member has a surface layer on at least a part of the sealed surface, and the surface layer is made of a thermosetting resin higher in concentration of a carboxyl group or concentration of a phenol group than the underlying thermosetting resin. The carboxyl group or the phenol group present in the surface layer is chemically bonded to the functional group present in the additive. 1. A resin molded article comprising:a thermosetting resin member made of a thermosetting resin; anda thermoplastic resin member made of a thermoplastic resin and sealing a sealed surface which is a part of a surface of the thermosetting resin member, whereinan exposed surface which is a remaining part of the surface of the thermosetting resin member is exposed to an outside of the thermoplastic resin member,an additive having a functional group is added to the thermoplastic resin member,the thermosetting resin member has a surface layer on at least a part of the sealed surface, and the surface layer being made of a thermosetting resin higher in concentration of a carboxyl group or concentration of a phenol group than the underlying thermosetting resin, andthe carboxyl group or the phenol group present in the surface layer is chemically bond to the functional group present in the additive.2. (canceled)3. The resin molded article according to claim 1 , wherein the chemical bond between the carboxyl group or phenol group present in the surface layer and the functional group present in the additive is ether bond.4. The resin molded article according to claim 1 , further comprising a sealed component having a part coated with the ...

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Номер записи: 80

14-05-2020 дата публикации

APPARATUS FOR FORMING AN OPHTHALMIC LENS

Номер: US20200150456A1

Автор: Enns John B, Powell P. Mark, Sites Peter W, Widman Michael F.

Принадлежит:

This invention discloses apparatus for generating an ophthalmic lens with at least a portion of one surface free-formed from a Reactive Mixture. In some embodiments, an ophthalmic lens is formed on a substrate with an arcuate optical quality surface via a source of actinic radiation controllable to cure a definable portion of a volume of Reactive Mixture. 1. An apparatus for forming an ophthalmic lens having a first and second surface joined at a lens edge , comprisinga forming optic having a first surface substantially complementary to said first surface of said ophthalmic lens;an actinic radiation generation device including an actinic radiation source, wherein the actinic radiation generation device provides as an output light in a predetermined narrow spectral band;a spatial light modulator comprised of an array of individually controllable elements;a light dump configured to absorb a portion of said output light;a reactive mixture, wherein polymerization of which is initiated by said narrow spectral band of light, said reactive mixture including a UV blocker capable of at least partially absorbing said narrow spectral band of light;a container holding said reactive mixture, said container having a shape that does not influence a shape of said ophthalmic lens;wherein said first surface of said forming optic is at least partially submerged within said reactive mixture within said container;wherein said output light from said actinic radiation generation device is directed onto the spatial light modulator, and wherein the array of individually controllable elements are each selectively controllable to either direct said output light onto and through said forming optic into said reactive mixture or to direct said output light away from said forming optic;wherein said light dump is configured to absorb output light directed away from said forming optic by said spatial light modulator2. The apparatus according to claim 1 , wherein the predetermined narrow spectral ...

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Номер записи: 81

24-06-2021 дата публикации

Nanoimprint Lithography System and Method for Adjusting a Radiation Pattern that Compensates for Slippage of a Template

Номер: US20210191256A1

Автор: Anshuman Cherala, Nilabh K. Roy

Принадлежит: Canon Inc

Methods and systems for imprinting, including receiving template slippage data about a change in a position of a template relative to a reference position. Also, a desired actinic radiation pattern to expose formable material in an imprinting field under a template border region of the template may be received. In addition, a new actinic radiation pattern to expose the template border region that compensates for the template slippage may be determined. The formable material in the imprinting field on the substrate may be contacted with the template. The template border region may be exposed to the new actinic radiation pattern while the template is in contact with the formable material.

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Номер записи: 82

14-06-2018 дата публикации

THREE-DIMENSIONAL PRINTING APPARATUS AND THREE-DIMENSIONAL PRINTING METHOD

Номер: US20180162068A1

Автор: CHEN Peng-Yang

Принадлежит:

A three-dimensional printing apparatus and a three-dimensional printing method are provided. The three-dimensional printing apparatus includes a tank, an injection module, a platform movably disposed above the bottom of the tank, a curing module, and a control module. The tank has a forming area and a separating area in a stepped manner on a bottom thereof, and the forming area is higher than the separating area. The injection module includes a storage tank and an injection pipe connected thereto, and a forming material is filled therein to be applied to the forming area. The curing module is disposed beside the tank or the platform to cure the forming material between the platform and the forming area to be a curing layer. The control module is electrically connected to the injection module, the curing module, and at least one of the tank and the platform to perform a relative movement. 1. A three-dimensional printing apparatus , comprising:a tank, having a forming area and a separating area on a bottom thereof, the forming area and the separating area being in a stepped shape and the forming area being higher than the separating area;an injection module, comprising a storage tank and an injection pipe connected to the storage tank, wherein a forming material is for being filled into the injection module, and the injection pipe passes through the forming area so as to apply the forming material to the forming area;a platform, movably disposed above the bottom of the tank;a curing module, disposed beside the tank or the platform, wherein the curing module is configured to cure the forming material between the platform and the forming area so as to form a curing layer on the platform; anda control module, electrically connected to the injection module, the curing module, and at least one of the tank and the platform, wherein the control module drives the tank and the platform to perform a relative movement, such that the platform switchably corresponds to the forming ...

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Номер записи: 83

14-06-2018 дата публикации

Manufacturing method and inspection method of tow prepreg

Номер: US20180163007A1

Автор: Yohei OKAMOTO

Принадлежит: Toyota Motor Corp

A manufacturing method of a tow prepreg, comprising: an impregnation process of impregnating a reinforcement fiber with an anhydrous epoxy resin to obtain a tow prepreg; and a process of irradiating a specific surface of the tow prepreg with laser beam to cure the epoxy resin on the specific surface.

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Номер записи: 84

15-06-2017 дата публикации

Resin precursor, resin composition containing same, polyimide resin membrane, resin film, and method for producing same

Номер: US20170165879A1

Автор: Masaki MAITANI, Takayuki Kanada, Toshiaki Okuda, Yasuhito Iizuka, Yoshiki Miyamoto

Принадлежит: Asahi Kasei Corp

Provided is a resin composition including a polyimide precursor that has exceptional adhesiveness to glass substrates and that does not generate particles during laser detachment. A resin composition containing (a) a polyimide precursor, (b) an organic solvent, and (d) an alkoxysilane compound, wherein the resin composition shows polyimide obtained by imidation of the (a) polyimide precursor after application of the resin composition to the surface of a support, the residual stress with the support is from −5 MPa to 10 MPa, and the 308 nm absorbance of the (d) alkoxysilane compound when made into a 0.001 mass % NMP solution is from 0.1 to 0.5 at a solution thickness of 1 cm.

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Номер записи: 85

01-07-2021 дата публикации

Radiation amount determination for an intended surface property level

Номер: US20210197503A1

Автор: Andrew E. Fitzhugh, Krzysztof Nauka, Lihua Zhao

Принадлежит: Hewlett Packard Development Co LP

According to examples, an apparatus includes a processor and a memory on which is stored machine readable instructions. The instructions may cause the processor to identify an intended surface property level for a surface of a three-dimensional (3D) object, determine an amount of radiation to be applied as a flash of radiation onto the surface to obtain the intended surface property level, and output the determined amount of radiation to be applied as a flash of radiation, in which a radiation source is to flash apply the determined amount of radiation onto the surface of the 3D object.

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Номер записи: 86

21-06-2018 дата публикации

Actinic radiation device for speedy resin cure

Номер: US20180169904A1

Автор: Charles L. Bruzzone, Charlie P. BLACKWELL, Michael D. Swan, Michael E. Griffin, Sheng Ye, Zhisheng Yun

Принадлежит: 3M Innovative Properties Co

Provided are devices for applying actinic radiation to a curable resin. The devices include a housing having a front face, an actinic radiation source arranged within the housing such that actinic radiation emerges from the housing through the front face, and a proximity detector. The proximity detector is functionally connected to the actinic radiation source such that the actinic radiation source is shut off unless the proximity detector detects the presence of a surface within a safe distance from the front face. Optionally, the device includes a surface temperature sensor functionally connected to the actinic radiation source such that the actinic radiation source is shut off if the surface temperature sensor senses a surface temperature exceeding a maximum safe surface temperature.

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Номер записи: 87

22-06-2017 дата публикации

Integrally labeled, marked thermoplastic foam products, systems and methods

Номер: US20170173853A1

Автор: John Hart Miller

Принадлежит: Individual

Foam products of a material having many voids or gas bubbles therein are marked by one or more of a plurality of devices capable of melting and/or vaporizing a desired pattern into a surface portion of the foam product, at least some doing so by movement of a hot tool, laser, flame, hot gas or other hot item, and systems and methods for making the mark or marks forming the desired pattern are disclosed along with the so marked foam products

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Номер записи: 88

22-06-2017 дата публикации

PRODUCTION OF INJECTION MOLDS BY ADDITIVE MANUFACTURING WITH DUAL CURE RESINS

Номер: US20170173866A1

Автор: Desimone Joseph M., Menyo Matthew S., Schonenberg Alexander J.

Принадлежит:

Disclosed herein are curable resins incorporating a radiation-cured network and a heat-cured thermoset with a cyanate ester to allow the creation of three-dimensional printed parts. These parts exhibit desirable mechanical properties, desirable thermal properties, and/or desirable dielectric properties. Methods of forming a three-dimensional object making use thereof are also described. 2. The method of claim 1 , wherein said object comprises an injection mold.3. The method of claim 1 , wherein said object has at least one claim 1 , or a plurality of claim 1 , cooling channels formed therein.4. The method of claim 1 , wherein said cavity filler material comprises an organic or inorganic particulate.5. The method of claim 1 , wherein said cavity filler material comprises a polymerizable resin.6. The method of claim 1 , wherein said cavity filler material comprises an inert liquid.7. The method of claim 1 , wherein R is a phenyl claim 1 , naphthyl claim 1 , anthryl claim 1 , phenanthryl claim 1 , or pyrenyl group.8. The method of claim 1 , wherein R is a phenyl claim 1 , biphenyl claim 1 , naphthyl claim 1 , bis(phenyl)methane claim 1 , bis(phenyl)ethane claim 1 , bis(phenyl)propane claim 1 , bis(phenyl)butane claim 1 , bis(phenyl)ether claim 1 , bis(phenyl)thioether claim 1 , bis(phenyl)sulfone claim 1 , bis(phenyl) phosphine oxide claim 1 , bis(phenyl)silane claim 1 , bis(phenyl)hexafluoropropane claim 1 , bis(phenyl)trifluoroethane claim 1 , or bis(phenyl)dicyclopentadiene group claim 1 , or a phenol formaldehyde resin.9. The method of claim 1 , wherein said at least one cyanate ester compound is selected from the group consisting of: 1 claim 1 ,3- claim 1 , or 1 claim 1 ,4-dicyanatobenzene; 1 claim 1 ,3 claim 1 ,5-tricyanatobenzene; 1 claim 1 ,3- claim 1 , 1 claim 1 ,4- claim 1 , 1 claim 1 ,6- claim 1 , 1 claim 1 ,8- claim 1 , 2 claim 1 ,6- or 2 claim 1 ,7-dicyanatonaphthalene; 1 claim 1 ,3 claim 1 ,6-tricyanatoaphthalene; 2 claim 1 ,2′ or 4 claim 1 ,4′- ...

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Номер записи: 89

22-06-2017 дата публикации

CYCLIC ESTER DUAL CURE RESINS FOR ADDITIVE MANUFACTURING

Номер: US20170174827A1

Автор: Gu Xinyu, Rolland Jason P.

Принадлежит:

Disclosed herein are methods of forming a three-dimensional object having a biodegradable or bioerodible polymer or copolymer. In some embodiments, the methods include providing a dual cure resin with a photoinitiator, monomers and/or prepolymers that are polymerizable by exposure to actinic radiation or light, at least one cyclic ester, a ring-opening polymerization initiator, and a ring-opening polymerization catalyst. Resins useful for carrying out such methods, and products produced from such methods, are also described. 1. A method of forming a three-dimensional object comprised of a biodegradable or bioerodible polymer or copolymer , the method comprising:(a) providing a cyclic ester dual cure resin;(b) forming a three-dimensional intermediate from said resin, where said intermediate has the shape of, or a shape to be imparted to, said three-dimensional object, and where said resin is solidified by exposure to light;(c) optionally washing the three-dimensional intermediate, and then(d) heating and/or microwave irradiating said three-dimensional intermediate sufficiently to further cure said resin and form said three-dimensional object; (i) a photoinitiator;', '(ii) monomers and/or prepolymers that are polymerizable by exposure to actinic radiation or light;', '(iii) optionally, a light absorbing pigment or dye;', '(iv) at least one cyclic ester;', '(v) a ring-opening polymerization initiator;', '(vi) a ring-opening polymerization catalyst;', '(vii) optionally a diluent;', '(viii) optionally a filler., 'wherein said cyclic ester dual cure resin comprises2. The method of claim 1 , wherein said at least one cyclic ester is selected from the group consisting of lactides claim 1 , lactones claim 1 , cyclic carbonates claim 1 , and combinations thereof.6. The method of claim 1 , wherein said initiator is selected from the group consisting of alcohols claim 1 , trialkyl borates claim 1 , trialkoxy borates claim 1 , and tris(trimethylsilyl) borate.7. The method of ...

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Номер записи: 90

29-06-2017 дата публикации

Device and method for producing composite sheets using multiple lamination

Номер: US20170182755A1

Автор: Klaus Peter Koch, Klemens Heermann, Oliver Kleinschmidt, Walter MÜHLHAUSE

Принадлежит: Thyssenkrupp AG, THYSSENKRUPP STEEL EUROPE AG

A device for producing a strip-shaped composite sheet may comprise at least two outer metal cover sheets and at least one plastic layer disposed between the two outer metal cover sheets. The device may further comprise at least one first laminating device for laminating the metal cover sheets with the at least one plastic layer arranged between the metal cover sheets, with the first laminating device comprising at least two laminating rolls forming a laminating gap. One object of the present disclosure is to provide methods and devices for producing composite sheets, with which the economy, in particular the production speed, of the production method can be significantly increased and at the same time the risk of delamination of the composite sheets during the further processing can be reduced.”

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Номер записи: 91

05-07-2018 дата публикации

Continuous Strand Superabsorbent Polymerization

Номер: US20180186042A1

Автор: Scott Smith, Stanley McIntosh, Steffen Fischer

Принадлежит: Individual

The present invention relates to a process to make continuous strand polymer comprising the following steps: a) providing a monomer mixture comprising water, a monomer, a crosslinker and an initiator; b) transporting the monomer mixture of step a) into a confining means wherein the monomer mixture is confined in said confining means; c) initiating polymerization of the monomer mixture in the confining means to make a continuous strand polymer; and d) emitting the continuous strand polymer from the confining means wherein the continuous strand polymer has a defined cross-sectional profile comprising an initial cross sectional diameter of at least 0.1 mm The present invention is further directed to a process of making a continuous strand superabsorbent polymer.

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Номер записи: 92

07-07-2016 дата публикации

Polarizing plate having local depolarization area and method for manufacturing same

Номер: US20160195767A1

Автор: Byung-Sun Lee, Kyun II Rah, Sung Hyun Nam

Принадлежит: LG Chem Ltd

The present invention relates to a polarizing plate that comprises a polyvinyl alcohol-based polarizer dyed with any one or more of iodine and a dichroic dye and that locally has a depolarized region having a single transmittance of 70% or more at a wavelength ranging from 400 nm to 800 nm, the depolarized region being formed by irradiating light having a specific wavelength selected from a wavelength range of 200 nm to 800 nm, and to a manufacturing method thereof.

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Номер записи: 93

11-06-2020 дата публикации

FLUORINATED ELASTOMERS CURED BY ACTINIC RADIATION AND METHODS THEREOF

Номер: US20200181387A1

Автор: Bartow Jeffrey N., DeVoe Robert J., Fukushi Tatsuo, Hintzer Klaus, Jiang Xuan, Nguyen Tho Q., Ye Sheng, Zentis Fee

Принадлежит:

Described herein is a curable composition comprising an amorphous fluoropolymer having an iodine, bromine and/or nitrile cure site; a peroxide cure system comprising a peroxide and a Type II coagent; and a photoinitiator, wherein the curable composition is substantially free of a binder material. Also described herein, are methods of curing the curable composition using actinic radiation and articles thereof. 1. A curable composition comprising:(a) an amorphous fluoropolymer having an iodine, bromine and/or nitrile cure site;(b) a peroxide cure system comprising a peroxide and a Type II coagent; and 'wherein the curable composition is substantially free of a binder material.', '(c) a photoinitiator,'}2. The curable composition of claim 1 , wherein the curable composition is substantially free of an unsaturated metal coagent.3. The curable composition of claim 1 , wherein the amorphous fluoropolymer is partially fluorinated.4. The curable composition of claim 1 , wherein the absorbance profile of the peroxide does not substantially interfere with the absorbance profile of the photoinitiator.5. The curable composition of claim 1 , wherein the peroxide cure system consists essentially of a peroxide and a Type II coagent.6. The curable composition of claim 1 , wherein curable composition is substantially free of polymerizable acrylate claim 1 , polymerizable methacrylate claim 1 , or combinations thereof.7. The curable composition of claim 1 , wherein the curable composition is substantially free of a binder material having a molecular weight of less than 5 claim 1 ,000 g/mol.8. The curable composition of claim 1 , wherein the photoinitiator is at least one of 2-benzyl-2-dimethylamino-1-(4-morpholinophenyl)-butanone-1 claim 1 , phenyl bis(2 claim 1 ,4 claim 1 ,6-trimethyl benzoyl) phosphine oxide claim 1 , diphenyl (2 claim 1 ,4 claim 1 ,6-trimethylbenzoyl) phosphine oxide claim 1 , and bis (eta 5-2 claim 1 ,4-cyclopentadien-1-yl) bis [2 claim 1 ,6-difluoro-3-(1H- ...

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Номер записи: 94

12-07-2018 дата публикации

TECHNIQUES FOR HYBRID ADDITIVE AND SUBSTRACTIVE MANUFACTURING

Номер: US20180194076A1

Автор: Bell Michael Austin, Busbee Travis Alexander, Dumont Kyle Jackson, Marschner Andrew, Minardi John Eugene, Weeks Robert Douglas

Принадлежит: VoxeI8, Inc.

According to at least one aspect, a manufacturing system for hybrid additive and subtractive manufacturing is provided. The manufacturing system includes a plurality of tools including a first material deposition tool configured to deposit a first material, a second material deposition tool configured to deposit a second material, and a cutting tool configured to remove at least some deposited material and a spindle configured to operate a tool from the plurality of tools that is mounted to the spindle. The manufacturing system is configured to create one or more layers of a three-dimensional object at least in part by depositing the first material using the first material deposition tool, depositing the second material using the second material deposition tool, and removing at least some deposited material using the cutting tool. 1. A manufacturing system comprising:a first material deposition tool configured to receive a compressed gas and deposit a first material using the received compressed gas;a gas control device configured to control a pressure of the compressed gas;a spindle configured to removably couple to the first material deposition tool, receive the compressed gas, and operate the first material deposition tool at least in part by providing the compressed gas to the first material deposition tool;a build platform disposed below the spindle;a gantry system coupled between the build platform and the spindle, the gantry system configured to move the spindle relative to the build platform in a plurality of directions; anda controller communicatively coupled to the gas control device and configured to set the pressure of the compressed gas to a first level to deposit the first material.2. The system of claim 1 , wherein the gas control device comprises a pressure regulator or a gas compressor.3. The system of claim 1 , wherein the first material deposition tool is mounted to the spindle via a tool holder and wherein the spindle is configured to operate the ...

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Номер записи: 95

19-07-2018 дата публикации

DYNAMICALLY DAMPED RECOATER

Номер: US20180200791A1

Автор: FIELDMAN Zachary David, MAMRAK Justin, Redding MacKenzie Ryan

Принадлежит:

The present disclosure generally relates to additive manufacturing systems and methods involving a recoater blade to smooth out deposited powder, such that the system can sense forces on the blade and allow vertical and horizontal displacement of the blade in response to those forces. The system can change how the blade responds to those forces, for instance the blade may respond by displacing quickly and easily away from the force (a “soft” recoater), or it may resist the force (a “stiff” recoater). This allows a single recoater blade to be used in a variety of situations without work stoppage, whereas before the blade would have to be replaced. 1. An additive manufacturing apparatus comprising:an energy directing device;a powder dispenser; anda recoater blade with a blade tip, the recoater blade positioned to provide a layer of powder over a work surface by moving over the work surface, the thickness of the layer of powder determined by the height of the blade tip above the work surface, wherein the recoater blade is mounted to allow movement of the blade height with respect to the work surface while providing the layer of powder over the work surface.2. The apparatus of claim 1 , further comprising a blade actuator claim 1 , wherein the recoater blade is connected to the blade actuator.3. The apparatus of claim 2 , wherein the blade actuator is an electric actuator or a pneumatic actuator.4. The apparatus of claim 2 , further comprising an actuator controller claim 2 , the actuator controller connected to the blade actuator to move the recoater blade in response to a signal and provide feedback regarding movement of the recoater blade.5. The apparatus of claim 1 , further comprising a pivot arm claim 1 , the pivot arm adapted to allow movement of the recoater blade height.6. The apparatus of claim 1 , further comprising linear guides claim 1 , the linear guides adapted to allow movement of the recoater blade height.7. The apparatus of claim 1 , wherein the energy ...

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Номер записи: 96

19-07-2018 дата публикации

Method and apparatus for forming thin layers of slurries for additive manufacturing

Номер: US20180200946A1

Автор: Jan Opschoor, Johannes Cornelis Maria Kooter, Louis David Berkeveld

Принадлежит: Energieonderzoek Centrum Nederland ECN

Additive manufacturing apparatus for providing a three dimensional object, and method for additive manufacturing of a three dimensional object ( 5 ). An exposure unit ( 11 ) is arranged to cure a layer of slurry onto an object ( 5 ) being formed, and a substrate ( 2 ) is arranged to receive a predetermined amount of slurry ( 4 ) and to position the predetermined amount of slurry ( 4 ) to an exposure position associated with the exposure unit ( 11 ). The substrate ( 2 ) comprises a slurry repellant layer ( 3 ) on a surface of the substrate ( 2 ). An object holder is provided for holding the object ( 5 ) being formed, and the object holder is arranged to press the object ( 5 ) being formed towards the substrate ( 2 ) into the predetermined amount of slurry ( 4 ) until a desired thickness of the layer for a next additive manufacturing step is reached.

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Номер записи: 97

21-07-2016 дата публикации

Method for manufacturing optical member, and optical member, transparent member for forming optical member, optical waveguide and optical module

Номер: US20160209591A1

Автор: Daichi Sakai, Masao Uchigasaki, Toshihiro Kuroda

Принадлежит: Hitachi Chemical Co Ltd

The present invention provides a method for manufacturing an optical member and an optical waveguide having a low optical loss. The provided method is capable of highly accurately controlling the positional configuration of refractive index distribution in the surface layer, including its vicinity, and the center portion of the core pattern in a transparent member. The method for manufacturing the optical member by the present invention has a Process A, in which the transparent member is exposed to a solution and thereby the refractive index of the surface layer of the transparent member exposed to the solution is substantially lower than that of the center portion of the transparent member not exposed to the solution. The substantial lowering of the refractive index of the surface layer is achieved by making the refractive index regulating agent exert its function by being included in the surface layer of the transparent member. The optical waveguide by the present invention has such a feature that surface layers of two or more sides on the circumference of the core pattern forming the core part have a refractive index lower than that of the center portion of the core pattern. The surface layer includes a refractive index regulating agent for lowering the refractive index. Further, a lower clad layer or an upper clad layer, or both, are provided outside the surface layer of low refractive index, wherein the refractive index of these clad layers are lower than that of the surface layer.

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Номер записи: 98

26-07-2018 дата публикации

Rubber composition for vulcanization molding, process for manufacturing the same and application thereof

Номер: US20180208733A1

Автор: Katsushi Miki, Naoya TAYAGAKI

Принадлежит: Matsumoto Yushi Seiyaku Co Ltd

A rubber composition for vulcanization molding which can be manufactured into a rubber product with good dimensional stability, good appearance and sufficiently light weight, a process for manufacturing the same, and applications thereof. A rubber composition for vulcanization molding containing hollow particles and a base rubber, wherein the hollow particles are composed of a thermoplastic resin shell and a thermally vaporizable blowing agent encapsulated therein and have a specified further expansion ratio, and the base rubber has a Mooney viscosity ML (1+4) ranging from 5 to 90 at 100° C. Also disclosed is a process for manufacturing the rubber composition, hollow particles used for manufacturing the rubber composition, a masterbatch including the hollow particles and a rubber product manufactured from the rubber composition.

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Номер записи: 99

04-08-2016 дата публикации

Method For Disposing A Blocking Material

Номер: US20160221124A1

Автор: Koonankeil James M

Принадлежит:

A method for disposing blocking material within an interior of a component for blocking a beam of radiation from a laser during a laser drilling operation, the method including forming one of a multiple of apertures formed via a first process and forming the remainder of the multiple of apertures formed via a laser drilling process. A component for a gas turbine engine includes a surface with at least one of a multiple of apertures formed via a first process, the at least one of the multiple of apertures formed via the first process in communication with a cavity, a remainder of the multiple of apertures formed via a laser drilling process, the remainder of the multiple of apertures in communication with the cavity. 1. A method for disposing a blocking material within an interior of a component , the method comprising:forming one of a multiple of apertures in communication with a cavity within a component via a first process; andforming the remainder of the multiple of apertures in communication with the cavity within the component via a second process different than the first process.2. The method as recited in claim 1 , wherein the second process is a laser drilling process.3. The method as recited in claim 2 , further comprising filling the cavity with a blocking material subsequent to forming one of the multiple of apertures formed via the first process and prior to forming the remainder of the multiple of apertures formed via the second process.4. The method as recited in claim 1 , wherein the multiple of apertures are cooling holes that communicate with a single cavity within a turbine blade.5. The method as recited in claim 4 , further comprising filling the cavity with a blocking material subsequent to forming one of the multiple of apertures formed via the first process and prior to forming the remainder of the multiple of apertures formed via the second process.6. The method as recited in claim 5 , further comprising forming the one of the multiple of ...

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Номер записи: 100