METHOD AND APPARTUS FOR MOULDING

In the moulding of cementitious articles, a flexible plastics mould e.g. of LDPE may be used to permit de-moulding of the articles e.g. by flexion of the mould. Moulds filled with hydraulically settable material may be supported in frames configured e.g. with plug and socket formations on upper and lower faces for cooperation with moulds to retain them in position and for cooperation with overlying and underlying frames to permit stacking. 151-. (canceled)52. A method for casting a shaped article from hydraulically settable material which includes the steps of:introducing the hydraulically settable material into a mould and allowing it to harden at least to a green state; andremoving the hardened material from the mould,wherein the mould is of a flexible low surface energy thermoplastics material and removal is by deformation of portions at least of the mould.53. The method of claim 52 , wherein the shaped article is generally planar and the mould has an open face for introduction of the hydraulically settable material and providing no obstruction to removal of the article when the hydraulically settable material has hardened.54. The method of claim 53 , wherein the mould:(a) has a cavity is of size up to 300 mm×300 mm×150 mm; and/or(c) has internal features drafted towards the open face for facilitating removal of the shaped article; and/or(d) has internal features drafted at an angle of 1-10°; and/or(e) has internal features including cores for forming through-holes in the shaped article, said cores having draft angles of about 6°; and/or(f) has wall thickness 0.5-3 mm; and/or(g) has wall thickness ˜1.6 mm; and/or(h) is an injection moulding; and/or(i) is a thermoform; and/or(j) is of material having a Shore D hardness of 70-90; and/or{'sup': '−2', '(k) is of a material having a surface energy of ˜28 mJm; and/or'}(l) is of a polyalkylene; and/or(m) is of polyethylene; and/or(n) is of LDPE; and/or(o) is an injection moulding or has been thermoformed from sheet55. ...

Mould for realizing a temporary prosthesis of hip or shoulder, and method thereof

Mould and method for realizing a temporary prosthesis of hip or shoulder, which comprises a shaft and a head. The mould comprises: a first mould portion ( 1 ) comprising a first half-shell ( 2 ); a second mould portion ( 3 ) comprising a second half-shell ( 4 ); the first mould portion ( 1 ) and the second mould portion ( 3 ) being able to be coupled with respect to each other so that the first and second half-shell ( 2, 4 ) are counter-faced and define a chamber ( 5 ) which conforms a shaft portion ( 5 a ), a head portion ( 5 b ) and an opening ( 5 c ) for injection of a fluid (preferably viscous) material; fixing means ( 6 ) for fixing the first and the second portion ( 1, 3 ); a first insert ( 7 ) comprising a cap portion ( 8 ) which is realized as a unique body, is dimensioned to be inserted in the head portion ( 5 b ) and is conformed to give shape to the head of the prosthesis. The first mould portion ( 1 ), the second mould portion ( 3 ) and the first insert ( 7 ) are mutually conformed to obtain a temporary prosthesis, when the first mould portion ( 1 ) and the second mould portion ( 3 ) are coupled together, the first insert ( 7 ) is inserted in the head portion ( 5 b ) and the fluid (preferably viscous) material is injected in the opening ( 5 c ).

Processing Technology for Making Seepage Irrigation Pipe with Alternate Effluent Section and Non-Effluent Section

The present invention relates to a processing technology for manufacturing seepage irrigation pipe with alternating effluent sections and non-effluent sections, and in particular, to the field of underground seepage irrigation in agriculture and forestry. The processing technology combines the production unit for water-effluent pipes with the production unit for non-effluent pipes, and produces the seepage irrigation pipeline by adjusting the raw material ratios, controlling the spindle speed, spindle acceleration time, and spindle deceleration time of the two pipeline production units, to generate a seepage irrigation pipe with alternating effluent sections and non-effluent sections. The lengths of the effluent sections and non-effluent sections can be adjusted, the pipe wall thickness can also be adjusted by adjusting the inner and outer diameter of the internal mold of the pipe forming unit, a seepage irrigation pipe with alternating effluent sections and non-effluent sections is environment-friendly, efficient, water-saving, and useful for underground irrigation.

Three-Dimensional Printing System with Improved Optical Path

A three-dimensional printing system includes a resin vessel, a light engine, a build tray, motorized support, and a controller. The resin vessel includes a vessel body defining a central opening and a transparent sheet that closes the central opening. The transparent sheet is at least partially formed from a cyclic olefin polymer (COP) that is synthesized in part by applying a ring-opening metathesis polymerization (ROMP) to a monomer. The light engine is configured to project pixelated light through the transparent sheet and to a build plane within the resin. The build tray defines a support surface for supporting the three-dimensional article to be at least partially submerged in the resin. The motorized support is configured to align and adjust a vertical position of the build tray. The controller is for controlling the light engine and the motorized support for fabricating the three-dimensional article. 1. A three-dimensional printing system for fabricating a three-dimensional article comprising: a vessel body defining a central opening; and', 'a transparent sheet that closes the central opening, the transparent sheet at least partially formed from a cyclic olefin polymer (COP) that is synthesized in part by applying a ring-opening metathesis polymerization (ROMP) to a monomer;, 'a resin vessel for containing resin and includinga light engine configured to project pixelated light through the transparent sheet and to a build plane within the resin;a build tray defining a support surface for supporting the three-dimensional article to be at least partially submerged in the resin;a motorized support configured to align and adjust a vertical position of the build tray; anda controller for controlling the light engine and the motorized support for fabricating the three-dimensional article.2. The three-dimensional printing system of wherein the transparent sheet is a single layer of COP.3. The three-dimensional printing system of wherein the transparent sheet is a ...

HEATED COLLAPSIBLE ELASTOMERIC BLADDER TOOL TO FORM AND REPAIR COMPOSITE STRUCTURES

Disclosed is a collapsible heated elastomeric bladder tool for repairing damage to composite structures. The elastomeric bladder tool can be used to repair composite structures in difficult to reach areas, such as under stringers used to stiffen large structures. The elastomeric bladder tool can be inserted into the damaged cavity such as a stringer to support uncured plies during the repair on either surface of the cavity. Integrated heating elements within the elastomeric bladder tool provide heat to cure the plies. The elastomeric bladder tool features a collapsed cross section that facilitates installation and extraction. 1. An elastomeric bladder tool comprising:an elastomeric outer wall;an inner cavity at least partially defined by the elastomeric outer wall; andan embedded heating system embedded within the elastomeric outer wall.2. The elastomeric bladder tool of claim 1 , wherein the embedded heating system comprises resistance wire embedded within the elastomeric outer wall.3. The elastomeric bladder tool of claim 2 , wherein the embedded heating system distributes heat throughout the elastomeric outer wall and maintains flexibility of the elastomeric outer wall.4. The elastomeric bladder tool of claim 2 , wherein the embedded heating system further comprises woven glass surrounding the resistance wire.5. The elastomeric bladder tool of claim 1 , further comprising one or more raised edge seals positioned along and protruding from the elastomeric outer wall.6. The elastomeric bladder tool of claim 5 , wherein the one or more raised edge seals comprise elastomer material of equal or lower durometer than the elastomeric outer wall.7. The elastomeric bladder tool of claim 1 , wherein the elastomeric outer wall comprises at least one of: fluoroelastomer claim 1 , silicone claim 1 , butyl-rubber claim 1 , or ethylene propylene diene monomer rubber (EPDM).8. The elastomeric bladder tool of claim 1 , wherein the elastomeric outer wall comprises an outermost layer ...

Tool for Producing Fiber-Reinforced Plastics Components in the Injection Process

A tool for producing fiber-reinforced plastics components in the injection process has a receptacle for a plastics component, which receptacle is surrounded by a circumferential seal which is inserted into a groove formed in the tool. It order to devise such a tool with which a higher service life for the seal can be achieved, the invention provides a receptacle chamber as volume compensation. 1. A tool for producing fiber-reinforced plastic components in an injection process , the tool comprising:a receptacle for a plastics component to be produced;a circumferential seal surrounding the receptacle, wherein the seal is inserted into a groove formed in the tool; anda receptacle chamber configured to provide volume compensation.2. The tool according to claim 1 , wherein the receptacle chamber is delimited on one side by the tool and on another side by the seal.3. The tool according to claim 2 , whereinthe tool comprises an upper tool part and a lower tool part, andthe receptacle chamber is delimited by the upper tool part, the lower tool part, and the seal.4. The tool according to claim 1 , whereinthe tool comprises an upper tool part and a lower tool part, andthe receptacle chamber is delimited by the upper tool part, the lower tool part, and the seal.5. The tool according to claim 1 , wherein the receptacle chamber is configured to be curved in a domed manner on a tool side of the chamber.6. The tool according to claim 3 , wherein the receptacle chamber is configured to be curved in a domed manner on a tool side of the chamber.7. The tool according to claim 1 , whereina wall of the seal on a side facing the receptacle chamber is deformable,in a case of an opened tool, the wall is substantially planar, andin a case of a closed tool, the wall is curved in a domed manner toward the receptacle chamber, whereby the receptacle chamber has a substantially lunate or crescent shape.8. The tool according to claim 6 , whereina wall of the seal on a side facing the receptacle ...

THERMOPLASTIC FUSIBLE INNER MOLD MATERIAL, INNER MOLD, METHOD FOR MANUFACTURING A HOLLOW PART

A material of thermoplastic fusible inner mold is provided, including: a high crystalline polymeric material and a lubricant material, the high crystalline polymeric material mixed with the lubricant material. An inner mold is further provided, made of the material of thermoplastic fusible inner mold described above. A method for manufacturing hollow part is further provided, including the following steps of: providing the inner mold; covering the inner mold with a part material; heating the inner mold which is covered with the part material to form the part material; and heating the inner mold covered with the part material which is formed at a predetermined temperature to melt the inner mold out of the part material which is formed to form the hollow part.

Siloxane monomer, composition for preparation of silicone hydrogel lens containing same, and silicone hydrogel lens

The present invention relates to a siloxane monomer used in the production of a silicone hydrogel lens, a composition for the preparation of a lens containing the same, and a silicone hydrogel lens prepared from the same, wherein the silicone hydrogel lens according to the present invention has a feature of easy release from a component of a mold.

THIN WALL PRODUCT DISPLAY TUBE

A thin-walled polypropylene product display tube. The thin-walled polypropylene product display tube includes a tubular member having a closed end, an open end, an inner diameter and, between the closed end and the open end, a first outer diameter, the open end terminating in a flared portion having a second outer diameter, the tubular member having a wall thickness sufficient to yield a level of haze equal to or less than 8%. A process for forming a thin-walled polypropylene product display tube is also provided. 1. A thin-walled product display tube comprising:a tube having a closed end, an open end, an inner diameter and a flared portion, the flared portion being at the open end, the flared portion having a first outer diameter at a beginning of the flared portion and a second outer diameter at an end of the flared portion, the second outer diameter being greater than the first outer diameter, and the inner diameter being uniform from the beginning of the flared portion to the end of the flared portion; anda removable cap engaging the open end of the tube and contacting the second end of the flared portion.2. The product display tube of claim 1 , wherein the end of the flared portion aligns with an outermost circumference of the removable cap to form a smooth transition between the end of the flared portion and the outermost circumference of the removable cap.3. The product display tube of claim 2 , wherein the inner diameter is uniform from the open end of the tube to a point where the closed end begins.4. The product display tube of claim 1 , wherein the first outer diameter is uniform from the beginning of the flared portion to a point where the closed end begins.5. The product display tube of claim 1 , wherein the removable cap includes a plug claim 1 , the plug engaging against an inner surface of the tube.6. The product display tube of claim 5 , wherein the plug includes a seal ring around a circumference thereof and the seal ring is in circumferential ...

Method of curing a composite article using differential vacuum

A method of curing a composite layup may include applying an inner bag vacuum pressure to an inner bag chamber and an outer vacuum pressure to an outer vacuum chamber. The vacuum inner bag chamber may be formed by a vacuum bag covering a composite layup and sealed to a forming tool with an inner bag chamber seal. The inner bag vacuum pressure may be no less than the outer vacuum pressure. The temperature of the composite layup may be increased to an elevated temperature to initiate a temperature hold period. The method may additionally include venting the outer vacuum chamber to atmosphere to initiate an outer vacuum chamber venting period during the temperature hold period, and applying compaction pressure to the inner bag chamber seal during the outer vacuum chamber venting period. The outer vacuum pressure may be re-applied to the outer vacuum chamber to terminate the outer vacuum chamber venting period.

Foam molded body production device, foam molded body production method, and foam molded body

A foam molded body production device ( 20 ) including a plurality of molds ( 21 ); a cavity ( 23 ) that is delimited, between the plurality of molds ( 21 ), by cavity surfaces ( 22 ) of the plurality of molds ( 21 ); and a protrusion portion ( 28 ) that is formed on the cavity surfaces ( 22 ). The protrusion portion ( 28 ) is formed from an elastic body. The cavity surfaces ( 22 ) are provided with a holding portion ( 29 ) that contacts a tip of the protrusion portion ( 28 ) when the plurality of molds ( 21 ) are closed, and causes the protrusion portion ( 28 ) to elastically deform inside the cavity ( 23 ).

Structure and method of foam-injection molding including el sheet

Provided is a structure of foam-injection molding including an EL sheet. The structure includes: a base material; an electro luminescence (EL) sheet which is able to emit a light, and which is disposed on an upper side of the base material; a foam layer disposed on an upper side of the EL sheet; and a skin layer disposed on an upper side of the foam layer.

METHODS OF FORMING CONTACT LENSES TO REDUCE THE TRANSMITTANCE OF LIGHT

A method of preparing and using a contact lens is disclosed. In one step, a light-absorbing dye solution, comprising a light-absorbing dye disposed in a solution, is dispensed onto a contact lens. In another step, the light-absorbing dye is reacted with the contact lens so that the contact lens permanently contains the light-absorbing dye. The transmission of light of a certain wavelength through the contact lens is reduced due to the reacted light-absorbing dye permanently contained within the contact lens. 1. A method of preparing and using a contact lens comprising:dispensing a light-absorbing dye solution, comprising a light-absorbing dye disposed in a solution, onto a contact lens;reacting the light-absorbing dye with the contact lens so that the contact lens permanently contains the light-absorbing dye; andreducing the transmission of light of a certain wavelength through the contact lens due to the reacted light-absorbing dye permanently contained within the contact lens.2. The method of wherein the dispensing the light-absorbing dye solution onto the contact lens comprises covering a center portion of the contact lens with the light-absorbing dye solution and not covering an outer portion of the contact lens claim 1 , disposed outside of the center portion of the contact lens claim 1 , with the light-absorbing dye solution.3. The method of wherein the center portion of the contact lens comprises a diameter in a range of three mm to thirteen mm.4. The method of further comprising heating the reacted light-absorbing dye on the contact lens claim 3 , and the method generating less than two milliliters of colored liquid waste for the contact lens.5. The method of wherein the reacting the light-absorbing dye with the contact lens comprises reacting the light-absorbing dye with a hydroxyl group of the contact lens so that the contact lens permanently contains the light-absorbing dye.6. The method of wherein the reacting the light-absorbing dye with the contact ...

MULTI-MATERIAL SEPARATION LAYERS FOR ADDITIVE FABRICATION

According to some aspects, a container is provided for use in an additive fabrication device configured to fabricate parts by curing a liquid photopolymer to form layers of cured photopolymer. The container may comprise a laminated multi-material layer having an elastic first layer that aids in separation of cured photopolymer from the container in addition to a barrier layer on an upper surface that protects the first layer from exposure to substances in the liquid photopolymer that may not be compatible with the material of the first layer. 1. A container for use in an additive fabrication device configured to fabricate parts by curing a liquid photopolymer to form layers of cured photopolymer , the container comprising:an open-topped vessel having an interior bottom surface, at least a region of the interior bottom surface being transparent to at least one wavelength of actinic radiation; and a first material layer bonded to at least a portion of the region of the interior bottom surface; and', 'a second material layer bonded to at least a portion of the first material layer, the second material layer having an oxygen permeability of at least 10 Barrer and forming the exposed surface of the container., 'a laminated multi-material layer bonded to the interior bottom surface of the vessel and configured to facilitate separation of the cured photopolymer from an exposed surface of the laminated multi-material layer, the laminated multi-material layer comprising2. The container of claim 1 , wherein the second material layer comprises polymethylpentene (PMP).3. The container of claim 1 , wherein the second material layer has a higher selectivity for oxygen than for any compound of the liquid photopolymer.4. The container of claim 1 , wherein the first material layer comprises polydimethylsiloxane (PDMS).5. The container of claim 1 , wherein the first material layer has an oxygen permeability of at least 200 Barrer.6. The container of claim 1 , wherein the second ...

Ophthalmic Device Molds And Related Methods

Ophthalmic device molds made from a first portion of a molding surface formed from a first polymer and a second portion of the molding surface formed from a second polymer are described. When combined, the first portion and the second portion of the molding surface form an entire molding surface suitable for molding an entire surface, such as an anterior surface or a posterior surface of an ophthalmic device. Methods of manufacturing ophthalmic devices using these molds, including contact lenses, are also described. 119-. (canceled)20. An ophthalmic contact lens mold member , comprising:(a) a first portion of a molding surface formed of a first polymer, wherein the first portion is configured to cast mold a first region of a surface of a contact lens; and(b) a second portion of the molding surface formed of a second polymer, wherein the second portion is configured to cast mold a second region of the surface, is configured, in combination with the first portion, to form an entire molding surface, and wherein the combination of the first portion and the second portion are configured to cast mold an entire surface of a contact lens.21. The ophthalmic contact lens mold member of claim 20 , wherein the first polymer comprises at least one vinyl alcohol copolymer which is not an ethylene-vinyl alcohol copolymer.22. The ophthalmic contact lens mold member of claim 20 , wherein the first polymer comprises NICHIGO G-POLYMER™.23. The ophthalmic contact lens mold member of claim 20 , wherein the second polymer comprises polypropylene.24. The ophthalmic contact lens mold member of claim 20 , wherein the entire molding surface comprises an entire molding surface configured to mold a posterior surface of a contact lens claim 20 , and the polymeric ophthalmic device body comprises a polymeric contact lens body.25. The ophthalmic contact lens mold member of claim 20 , wherein the first portion of the molding surface is configured to form at least one channel on a surface of the ...

MOLDS FOR PRODUCTION OF OPHTHALMIC DEVICES

A method includes subjecting an ophthalmic device mold-forming material to drying conditions in a first inert gas environment for a time period sufficient to substantially dry the ophthalmic device mold-forming material; molding a first ophthalmic device mold part and a second ophthalmic device mold part from the dried ophthalmic device mold-forming material; and subjecting the first ophthalmic device mold part and the second ophthalmic device mold part to a second inert gas environment for a time period sufficient to substantially remove all oxygen in the first ophthalmic device mold part and the second ophthalmic device mold part. 1. A method , comprising:(a) subjecting an ophthalmic device mold-forming material to drying conditions in a first inert gas environment for a time period sufficient to substantially dry the ophthalmic device mold-forming material;(b) molding a first ophthalmic device mold part and a second ophthalmic device mold part from the dried ophthalmic device mold-forming material; and(c) subjecting the first ophthalmic device mold part and the second ophthalmic device mold part to a second inert gas environment for a time period sufficient to substantially remove all oxygen in the first ophthalmic device mold part and the second ophthalmic device mold part.2. The method of claim 1 , further comprising:(d) placing a predetermined amount of an ophthalmic device-forming monomeric mixture in the first ophthalmic device mold part and;(e) assembling the first ophthalmic device mold part with the second ophthalmic device mold part with the ophthalmic device-forming monomeric mixture therebetween;(f) polymerizing the ophthalmic device-forming monomeric mixture to form an ophthalmic device; and(g) disassembling the first ophthalmic device mold part from the second ophthalmic device mold part and releasing the ophthalmic device from either the first ophthalmic device mold part or the second ophthalmic device mold part.3. The method of claim 2 , wherein ...

Polypropylene film and mold release film

A polypropylene film includes a surface layer (I) with polypropylene as a main component at least on one face of a base layer. Surface free energy of the surface layer (I) is 15 mN/m or more and less than 28 mN/m. A mold release film includes a polypropylene film including a surface layer (I) with polypropylene as a main component at least on one face of a base layer, wherein surface free energy of the surface layer (I) is 15 mN/m or more and less than 28 mN/M.

TRANSPARENT TOOLING FOR UV RADIATION CURABLE RUBBER

A mold, a molding apparatus, and a method for manufacturing articles or components is used to manufacture an article or component of the article that at least partially comprises an ultraviolet (UV) curable material. The mold and apparatus comprise at least one mold wall formed of a cyclic olefin copolymer, which is in contact with UV radiation curable material and allows the article or component of the article to be exposed to UV radiation for a period of time in order to provide for at least partial cure thereof. 1. A method for forming a molded article selected from a molded footwear component , a molded apparel component , or a molded sporting equipment , the method comprising:introducing an article-forming material to the mold that comprises a mold wall comprising a cyclic olefin copolymer; andcontacting the article-forming material with a molding surface of the mold wall for forming the molded article,wherein the article-forming material is a UV radiation curable polyurethane rubber, and wherein the method further comprises curing the UV radiation curable polyurethane rubber in response to exposure to the UV light.2. The method of claim 1 , wherein the cyclic olefin copolymer comprises a copolymer of polyethylene and norbornene.3. The method of claim 1 , wherein the mold wall is substantially transparent to ultraviolet (UV) light claim 1 , and wherein the method further comprises transmitting the UV light through the mold wall to the molding surface for exposing the article-forming material to the UV light.4. The method of claim 1 , wherein the cyclic olefin copolymer has a heat deflection temperature (HDT) at 0.46 MPa of at least 140° C. as characterized by HDT testing in accordance with ISO 75-1 Test Standard.5. The method of claim 4 , wherein the HDT of the cyclic olefin copolymer is from 165 to 200° C.6. The method of claim 1 , wherein the mold surface has a surface energy of from 15 to 35 dynes/cm at 20° C. as characterized by surface measurement testing ...

Vehicle tailgate structure

A vehicle tailgate structure including a first panel portion including a composite material and a second panel portion overmolded onto the first panel portion, the first and second panel portions forming together a body portion, a transverse beam and side beams connecting the transverse beam to the body portion, wherein the transverse beam includes a hinge attachment portion configured to receive a hinge attachment part, wherein the first panel portion has a bent strip in the transverse beam, and wherein the bent strip is raised with respect to a remaining portion of the first panel portion.

MOLDING SYSTEMS AND RELATED METHODS

An actuator system for use in a mold system includes a first actuator operatively coupled to a first mold portion and configured to move the first mold portion along an axis in a first direction from a first molding position toward a first ejecting position. The system also includes a second actuator operatively coupled to a second mold portion and configured to move the second mold portion along the axis in the first direction from a second molding position toward a second ejecting position. The system further includes a controller in communication with the first and second actuators and configured to independently activate the first and second actuators. 1. An actuator system for use in a mold system , comprising:a first actuator operatively coupled to a first mold portion and configured to move the first mold portion along an axis in a first direction from a first molding position toward a first ejecting position;a second actuator operatively coupled to a second mold portion and configured to move the second mold portion along the axis in the first direction from a second molding position toward a second ejecting position; anda controller in communication with the first and second actuators and configured to independently activate the first and second actuators.2. The system of claim 1 , wherein the controller is configured to activate the first and second actuators sequentially to move the respective mold portions in the first direction.3. The system of claim 2 , wherein the controller is configured to activate the first actuator prior to activating the second actuator.4. The system of claim 1 , wherein at least one of the first or second actuators includes a hydraulic actuator.5. The system of claim 1 , wherein the first and second actuators are configured to move the first and second mold portions claim 1 , respectively claim 1 , in a second direction opposite the first direction from the respective ejecting positions toward the respective molding positions.6. ...

MOLDING SYSTEMS AND RELATED METHODS

A system for molding an object includes an articulated mold having an axis and a plurality of mold portions configured to collectively define a molding cavity for shaping the object when arranged in respective molding positions. The system includes a plurality of actuators, each operatively coupled to a respective mold portion and configured to move the respective mold portion along the axis from the respective molding position toward a respective ejecting position for releasing the object. The system includes a controller in communication with each of the plurality of actuators and configured to independently activate each of the plurality of actuators such that one of the plurality of mold portions moves along the axis from the respective molding position toward the respective ejecting position while at least one other of the plurality of mold portions remains stationary relative to the object in order to at least partially support the object. 1. A system for molding an object , comprising:an articulated mold having an axis and including a plurality of mold portions configured to collectively define a molding cavity for shaping the object when arranged in respective molding positions;a plurality of actuators, wherein each of the plurality of actuators is operatively coupled to a respective mold portion of the plurality of mold portions and configured to move the respective mold portion along the axis from the respective molding position toward a respective ejecting position for releasing the object; anda controller in communication with each of the plurality of actuators and configured to independently activate each of the plurality of actuators such that one of the plurality of mold portions moves along the axis from the respective molding position toward the respective ejecting position while at least one other of the plurality of mold portions remains stationary relative to the object in order to at least partially support the object.2. The system of claim 1 , ...

Stretch Films Containing Random Copolymer Polypropylene Resins in Adjacent Layers of a Nanolayer Structure

A method of producing a stretch film includes at least: extruding a first random copolymer polypropylene (RCPP) resin from a first extruder at a first temperature to at least one primary channel inside of a feedblock; extruding a second RCPP resin from a second extruder at a second temperature to at least one secondary channel, wherein said second temperature is greater than said first temperature; combining the first RCPP resin and the second RCPP resin to create a layered stream using a combining adapter disposed in communication with the feedblock; passing said layered stream from the combining adapter to a die; and passing the layered stream through said die to a casting unit. A multi-layered stretch film includes at least one nanolayer section, the nanolayer section comprising alternating substantially adjacent layers of a first random copolymer polypropylene (RCPP) resin and a second RCPP resin.

MOLD FOR MANUFATURING SLAB AND MANUFACTURING METHOD THEREOF

The present disclosure herein relates to a mold for manufacturing a slab. More particularly, the mold includes a first fabric layer, a first rubber layer disposed on the first fabric layer, a second fabric layer disposed on the first rubber layer, and a second rubber layer disposed on the second fabric layer. Here, the second rubber layer includes a base part and a frame part extending from an edge of the base part. Also, the base part and the frame part are integrated with each other. 1. A mold for manufacturing a slab , the mold comprising:a first fabric layer;a first rubber layer disposed on the first fabric layer;a second fabric layer disposed on the first rubber layer; anda second rubber layer disposed on the second fabric layer,wherein the second rubber layer comprises a base part and a frame part extending from an edge of the base part, andthe base part and the frame part are integrated with each other.2. The mold of claim 1 , wherein each of the first rubber layer and the second rubber layer comprises rubber and a curing agent claim 1 , andthe first rubber layer has a weight composition ratio between the rubber and the curing agent, which is different from that between the rubber and the curing agent of the second rubber layer.3. The mold of claim 2 , wherein a content of the curing agent of the second rubber layer is less than that of the curing agent of the first rubber layer.4. The mold of claim 2 , wherein the rubber comprises ethylene-propylene rubber.5. The mold of claim 2 , wherein the curing agent comprises one of dicumyl peroxide or 2 claim 2 ,4-dichlorophenol.6. The mold of claim 1 , wherein the frame part comprises quartz.7. The mold of claim 1 , wherein each of the base part and the frame part comprises a polymer claim 1 , andthe polymer of the base part and the polymer of the frame part are cross-linked with each other.8. A manufacturing method of a mold for manufacturing a slab claim 1 , the manufacturing method comprising:filling a first ...

APPARATUS FOR THE THERMAL CURING OF A LENS-FORMING MATERIAL

An apparatus for the thermal curing of a lens-forming material contained in a lens mold to form an ophthalmic lens comprises: 21220502553205030403141. Apparatus ( claim 1 , ) according to claim 1 , wherein the mold support ( claim 1 , ) is a separate piece claim 1 , and wherein the fastener is a resilient latch ( claim 1 , ) removably fixing the mold support ( claim 1 , ) to the tray ( claim 1 , ) at the fixation opening ( claim 1 , ).312021252521313030. Apparatus () according to claim 2 , wherein the mold support is a ring () comprising an annular ring body () and the latch () claim 2 , the latch () extending from the annular ring body () into the fixation opening () of the tray () and fixedly engaging the tray ().4121223230101230101221. Apparatus () according to claim 3 , wherein the annular ring body () has a height (H) and a bottom surface () resting on an upper surface () of the tray () claim 3 , wherein the lens mold () has a base surface () facing the tray () claim 3 , and wherein the bearing surface of the lens mold () is arranged at a predetermined distance (D) above the base surface () claim 3 , with the height (H) of the annular ring body () being greater than the predetermined distance (D) by the clearance distance (C).512321231011101110211021. Apparatus () according to claim 3 , wherein the support surface is an annular top surface () of the annular ring body () claim 3 , the annular top surface () having a top surface inner diameter (DI) and a top surface outer diameter (DO) claim 3 , and wherein the bearing surface of the lens mold () is an annular abutment surface () arranged on an underside of the lens mold () claim 3 , the annular abutment surface () having an abutment surface inner diameter (AI) and an abutment surface outer diameter (AO) claim 3 , with the abutment surface inner diameter (AI) of the lens mold () being smaller than the top surface inner diameter (DI) of the annular ring body () and the abutment surface outer diameter (AO) of the ...

COMPOSITE FIBRE COMPONENT FOR A ROTOR BLADE, DEVICE FOR MANUFACTURING A COMPOSITE FIBRE COMPONENT FOR A ROTOR BLADE AND THE METHOD FOR MANUFACTURING A COMPOSITE FIBRE COMPONENT FOR A ROTOR BLADE

A composite fibre component for a rotor blade of a wind power plant having a first surface, shaped in a predefined fashion, on a first side of the composite fibre component. The composite fibre component is developed such that the composite fibre component has a second surface, shaped in a predefined fashion, for connecting to a further component for the rotor blade on at least one partial area of a second side, facing away from the first side, of the composite fibre component. A manufacturing device for manufacturing a composite fibre component for a rotor blade of a wind power plant by using a vacuum infusion method, and to a method for manufacturing a composite fibre component for a rotor blade of a wind power plant by using a vacuum infusion method. 1. A composite fibre component for a rotor blade of a wind power plant , the composite fibre component comprising:a first surface, shaped in a first predefined fashion, on a first side of the composite fibre component; anda second surface, shaped in a second predefined fashion, for connecting to a further component for the rotor blade on at least one partial area of a second side, facing away from the first side of the composite fibre component.2. The composite fibre component according to claim 1 , further comprising a marking for a target position of the further component on the second surface that is arranged on the second surface.3. The composite fibre component according to claim 2 , wherein the marking is a stop claim 2 , and wherein the further component is aligned in the target position in a form-fitting manner with the stop.4. The composite fibre component according to claim 1 , wherein the composite fibre component is at least one of a rotor blade shell and a girder claim 1 , and wherein the further component is at least one of a web and a main web.5. A manufacturing device for manufacturing a composite fibre component for a rotor blade of a wind power plant using a vacuum infusion method claim 1 , the ...

TRANSPARENT TOOLING FOR UV RADIATION CURABLE RUBBER

A mold, a molding apparatus, and a method for manufacturing articles or components is used to manufacture an article or component of the article that at least partially comprises an ultraviolet (UV) curable material. The mold and apparatus comprise at least one mold wall formed of a cyclic olefin copolymer, which is in contact with UV radiation curable material and allows the article or component of the article to be exposed to UV radiation for a period of time in order to provide for at least partial cure thereof. 1. A mold for forming a molded article , the mold comprising:a mold wall comprising a cyclic olefin copolymer and having a molding surface for contact with an article-forming material to form the molded article.2. The mold of claim 1 , wherein the cyclic olefin copolymer comprises a copolymer of polyethylene and norbornene.3. The mold of claim 1 , wherein the mold wall is substantially transparent to ultraviolet (UV) light to allow the UV light to be transmitted through the mold wall to the molding surface.4. The mold of claim 1 , wherein the cyclic olefin copolymer has a heat deflection temperature (HDT) at 0.46 MPa of at least about 140° C. as characterized by HDT testing in accordance with ISO 75-1 Test Standard.5. The mold of claim 4 , wherein the HDT of the cyclic olefin copolymer is from about 165 to about 200° C.6. The mold of claim 1 , wherein the mold surface has a surface energy of from about 15 to about 35 dynes/cm at 20° C. as characterized by surface measurement testing in accordance with ISO 8296 Test Standard.7. The mold of claim 1 , wherein the mold wall forms at least part of a first die portion claim 1 , and the mold further comprises a second die portion claim 1 , wherein the first and second die portions are configured to move relative to each other between an opened position and a closed position claim 1 , and wherein the first and second die portions in the closed position defines a cavity for molding the article-forming material.8. ...

MICRONEEDLE, MOULD FOR PRODUCING SAME, AND PRODUCTION METHOD FOR SAME

The present invention relates to a microneedle, to a mould for producing same, and to a production method for same. More specifically, the present invention concerns a microneedle for causing a skin-beautifying substance or drug to be absorbed via the skin, to a plastic mould for producing same, and to a production method for same. 1. A micro-needle for percutaneous delivery of a dermal cosmetic material or a drug.2. The micro-needle of claim 1 , wherein the micro-needle is made of a biocompatible material selected from the group consisting of a polysaccharide claim 1 , a polyvinyl alcohol claim 1 , a carboxyvinyl polymer claim 1 , chitosan claim 1 , hyaluronic acid claim 1 , a cellulose polymer claim 1 , and NaCl salt.3. The micro-needle of claim 1 , wherein the micro-needle has a depressed portion on at least one face thereof claim 1 , the depressed portion being as long as or longer than half of the height of the micro-needle.4. The micro-needle of claim 1 , wherein the micro-needle is of tetrahedral or pyramidal shape.5. The micro-needle of claim 4 , wherein the micro-needle has a side length or height of 50 μm to 500 μm.6. The micro-needle of claim 1 , wherein the micro-needle is dissolved in body fluid or water.7. The micro-needle of claim 1 , containing a dermal cosmetic material or a drug therein.8. The micro-needle of claim 7 , wherein the dermal cosmetic material is selected from the group consisting of an antioxidant claim 7 , a growth factor claim 7 , an anti-wrinkle agent claim 7 , and a cell culture claim 7 , or culture medium.9. The micro-needle of claim 8 , wherein the antioxidant is vitamin C or vitamin E.10. The micro-needle of claim 8 , wherein the growth factor is epithelial cell growth factor (EGF) or fibroblast growth factor (FGF).11. The micro-needle of claim 8 , wherein the cell culture or culture medium is a stem cell culture or culture medium.12. The micro-needle of claim 7 , wherein the drug is selected from the group consisting of a ...

Resin composition for forming replica mold, replica mold and pattern forming method using said replica mold

Provided is a resin composition capable of forming an imprint replica mold that enables easy removal of a residual layer and enables formation of high-accuracy patterns. The resin composition for replica mold formation includes (A) a thermoplastic or thermosetting resin, and (B) a compound. The resin (A) has a transmittance of light of 50% or more at one or more wavelengths from 200 to 450 nm. The compound (B) is capable of absorbing or scattering light at the wavelength(s). The compound (B) is present in a proportion of 0.5 to 50 parts by weight per 100 parts by weight of the resin (A). The resin (A) is preferably selected from olefinic resins and silicone resins.

METHOD AND APPARATUS FOR FORMING A COMPOSITE LAMINATE STACK USING A BREATHABLE POLYETHYLENE VACUUM FILM

A method for forming a shaped composite structure. The method includes laying a composite laminate stack () onto a mold (), where the composite laminate stack () comprises fabric laminate () and resin and wherein the mold () presents a predetermined shape, draping a vacuum film () comprising polyethylene onto the composite laminate stack (), thereby establishing an evacuatable volume between the vacuum film () and the mold (), applying suction to the evacuatable volume between the mold () and the vacuum film () to establish at least a partial vacuum within the evacuatable volume, thereby compressing the composite laminate stack () via pressure applied to the vacuum film () responsive to the at least partial vacuum within the evacuatable volume, and heating the composite laminate stack () while applying suction to the evacuatable volume, thereby at least partially consolidating the laminate stack (). 1. A method for forming a shaped composite structure , comprising:laying a composite laminate stack onto a mold, wherein the composite laminate stack comprises fabric laminate and resin and wherein the mold presents a predetermined shape;draping a vacuum film comprising polyethylene onto the composite laminate stack, thereby establishing an evacuatable volume between the vacuum film and the mold;applying suction to the evacuatable volume between the mold and the vacuum film to establish at least a partial vacuum within the evacuatable volume, thereby compressing the composite laminate stack via pressure applied to the vacuum film responsive to the at least partial vacuum within the evacuatable volume; andheating the composite laminate stack while applying suction to the evacuatable volume, thereby at least partially consolidating the laminate stack.2. The method of claim 1 , wherein the resin is pre-impregnated into at least a portion of the composite laminate stack.3. The method of claim 1 , wherein heating comprises the application of infrared electromagnetic radiation ...

Stretch films containing random copolymer polypropylene resins in adjacent layers of an nanolayer structure

A method of producing a stretch film includes at least: extruding a first random copolymer polypropylene (RCPP) resin from a first extruder at a first temperature to at least one primary channel inside of a feedblock; extruding a second RCPP resin from a second extruder at a second temperature to at least one secondary channel, wherein said second temperature is greater than said first temperature; combining the first RCPP resin and the second RCPP resin to create a layered stream using a combining adapter disposed in communication with the feedblock; passing said layered stream from the combining adapter to a die; and passing the layered stream through said die to a casting unit. A multi-layered stretch film includes at least one nanolayer section, the nanolayer section (201) comprising alternating substantially adjacent layers of a first random copolymer polypropylene (RCPP) resin and a second RCPP resin.

Molds for producing contact lenses

This invention describes molds made from alicyclic co-polymers that are useful in the production of contact lenses and methods for their use.

Molds for producing contact lenses

This invention describes molds made from alicyclic co-polymers that are useful in the production of contact lenses and methods for their use.

Molds for producing contact lenses

This invention describes molds made from alicyclic co-polymers that are useful in the production of contact lenses and methods for their use.

Molds for producing contact lenses

This invention describes molds made from alicyclic co-polymers that are useful in the production of contact lenses and methods for their use.

Molds for producing contact lenses

This invention describes molds made from alicyclic co-polymers that are useful in the production of contact lenses and methods for their use.

Molds for producing contact lenses

This invention describes molds made from alicyclic co-polymers that are useful in the production of contact lenses and methods for their use.

Molds for the production of contact lenses

Form zum Herstellen einer Linse umfassend ein alicyclisches Copolymer, wobei das alicyclische Copolymer wenigstens zwei alicyclische Monomere mit verschiedenen chemischen Strukturen umfasst. shape for producing a lens comprising an alicyclic copolymer, wherein the alicyclic copolymer comprises at least two alicyclic monomers includes various chemical structures.

Thin-wall injection molding polypropylene resin composition, molded product and container

Gas-permeable barrier film and method of making the gas-permeable barrier film

Gas-permeable barrier films include a polyolefin and an inorganic filler dispersed in the polyolefin. Methods for forming polymeric films and articles of manufacture prepared therefrom are described.

包括电致发光片的泡沫层一体注塑成型结构及方法

本发明涉及包括电致发光片的泡沫层一体注塑成型结构及方法。所述包括电致发光片的泡沫层一体注塑成型结构包括：基材；电致发光片(EL：El ectro luminescence sheet)，其配置于所述基材的上侧且能够发光；泡沫层，其配置于所述电致发光片的上侧；以及表层，其配置于所述泡沫层的上侧。本发明能够提高车辆内装部件的美观性且能够提高车辆内装部件的柔软感、提升用户感性品质。

Resin container manufacturing method

The present invention comprises an injection molding step and a stretch blow molding step. The stretch blow molding step is configured to include: a first step in which preliminary blow air is introduced into a preform (10) to stretch the preform (10) in a state in which a stretching rod (52) does not contact the bottom of the preform (10); a second step which is executed after the first step, and in which the preliminary blow air is introduced into the preform (10) and the stretching rod (52) is moved at a set speed and pressed against the bottom of the preform (10) to stretch the preform (10); and a third step which is executed after the second step, and in which final blow air is introduced into the preform (10) to stretch the preform (10).

Plastic film having oxygen absorption function, and infusion package

FIELD: medicine, pharmaceutics. SUBSTANCE: invention refers to chemical-pharmaceutical industry, particularly to a plastic film for medical containers, having the oxygen absorption function, comprising at least four layers. The film is prepared by co-extrusion. Also, the invention refers to an infusion package made of the above film. The film includes: a first layer (1) consisting of polyamide, a second layer (2) of blend composition, which is adjacent to the first layer and comprises an ethylene - vinyl alcohol copolymer, and an a-olefin - unsaturated carboxylic acid anhydride or unsaturated dicarboxylic acid monomer copolymer as a main ingredient, and a transition metal salt and a polymer containing an unsaturated double bond, as additives, and a third layer (3) which is adjacent to the second layer and comprises an α-olefin - unsaturated carboxylic acid monomer - unsaturated dicarboxylic acid anhydride copolymer as a main ingredient, and a sealing layer (4) comprising polyethylene as the main ingredient. EFFECT: preparing the plastic film for medical containers having the oxygen absorption function, comprising at least four layers. 15 cl, 1 ex, 1 tbl РОССИЙСКАЯ ФЕДЕРАЦИЯ (19) RU (11) 2 496 466 (13) C1 (51) МПК A61J B29C B32B B32B B32B B65D 1/10 47/06 27/28 27/32 27/34 65/40 (2006.01) (2006.01) (2006.01) (2006.01) (2006.01) (2006.01) ФЕДЕРАЛЬНАЯ СЛУЖБА ПО ИНТЕЛЛЕКТУАЛЬНОЙ СОБСТВЕННОСТИ (12) ОПИСАНИЕ ИЗОБРЕТЕНИЯ К ПАТЕНТУ (21)(22) Заявка: 2012120476/15, 02.11.2010 (24) Дата начала отсчета срока действия патента: 02.11.2010 (73) Патентообладатель(и): ХОСОКАВА ЙОКО КО., ЛТД. (JP) (45) Опубликовано: 27.10.2013 Бюл. № 30 C 1 2 4 9 6 4 6 6 C 1 R U (85) Дата начала рассмотрения заявки PCT на национальной фазе: 04.06.2012 (86) Заявка PCT: JP 2010/069477 (02.11.2010) (87) Публикация заявки РСТ: WO 2011/052776 (05.05.2011) Адрес для переписки: 129090, Москва, ул. Б. Спасская, 25, стр.3, ООО "Юридическая фирма Городисский и Партнеры" (54) ПЛАСТМАССОВАЯ ПЛЕНКА, ИМЕЮЩАЯ ...

Knitted textiles and uppers and method of making the same

Es werden Kleidungsartikel mit einem oder mehreren Textilien, die eine Polymerzusammensetzung mit niedriger Verarbeitungstemperatur und eine Polymerzusammensetzung mit hoher Verarbeitungstemperatur beinhalten, und Verfahren zur Herstellung derselben offenbart. Die Polymerzusammensetzung mit niedriger Verarbeitungstemperatur und die Polymerzusammensetzung mit hoher Verarbeitungstemperatur können selektiv in ein Textil eingearbeitet werden, um dem Artikel eine oder mehrere Struktureigenschaften und/oder andere vorteilhafte Eigenschaften zu verleihen. Das Textil kann thermogeformt werden, um dem Kleidungsartikel solche Struktur- und/oder anderen vorteilhaften Eigenschaften zu verleihen. Diese Zusammenfassung ist als Scanning-Tool zum Zwecke der Suche auf dem speziellen Fachgebiet gedacht und soll die vorliegende Offenbarung nicht beschränken. Articles of clothing comprising one or more fabrics including a low processing temperature polymer composition and a high processing temperature polymer composition, and methods of making same are disclosed. The low processing temperature polymer composition and the high processing temperature polymer composition may be selectively incorporated into a textile to impart one or more structural properties and / or other beneficial properties to the article. The fabric may be thermoformed to impart such structural and / or other beneficial properties to the article of clothing. This summary is intended as a scanning tool for purposes of searching in the art and is not intended to limit the present disclosure.

Polypropylene resin composition for injection molding of thin products

Stretch films containing random copolymer polypropylene resins in adjacent layers of a nanolayer structure

A method of producing a stretch film includes at least: extruding a first random copolymer polypropylene (RCPP) resin from a first extruder at a first temperature to at least one primary channel inside of a feedblock; extruding a second RCPP resin from a second extruder at a second temperature to at least one secondary channel, wherein said second temperature is greater than said first temperature; combining the first RCPP resin and the second RCPP resin to create a layered stream using a combining adapter disposed in communication with the feedblock; passing said layered stream from the combining adapter to a die; and passing the layered stream through said die to a casting unit. A multi-layered stretch film includes at least one nanolayer section, the nanolayer section comprising alternating substantially adjacent layers of a first random copolymer polypropylene (RCPP) resin and a second RCPP resin.

Stretch films containing random copolymer polypropylene resins in adjacent layers of a nanolayer structure

A method of producing a stretch film includes at least: extruding a first random copolymer polypropylene (RCPP) resin from a first extruder at a first temperature to at least one primary channel inside of a feedblock; extruding a second RCPP resin from a second extruder at a second temperature to at least one secondary channel, wherein said second temperature is greater than said first temperature; combining the first RCPP resin and the second RCPP resin to create a layered stream using a combining adapter disposed in communication with the feedblock; passing said layered stream from the combining adapter to a die; and passing the layered stream through said die to a casting unit. A multi-layered stretch film includes at least one nanolayer section, the nanolayer section comprising alternating substantially adjacent layers of a first random copolymer polypropylene (RCPP) resin and a second RCPP resin.

Method for making fiber reinforced polypropylene composites

The present invention is directed generally to processes for making fiber reinforced polypropylene resins including at least 25 wt % polypropylene based polymer, from 5 to 60 wt % organic fiber, and from 0 to 60 wt % inorganic filler. The process includes extrusion compounding the polypropylene based polymer, the organic fiber, and the inorganic filler to form a fiber reinforced polypropylene resin, which is subsequently molded to form an article with a flexural modulus of at least 300,000 psi, that exhibits ductility during instrumented impact testing (15 mph, −29° C., 25 lbs). Twin screw extruder compounding processes where the organic fiber is continuously fed to the extruder hopper by unwinding from one or more spools, and uniformly dispersed in the fiber reinforced polypropylene resin by twin screws having a combination of conveying and kneading elements are also disclosed.

Gas-permeable barrier film and method of making the gas-permeable barrier film

Gas-permeable barrier films include a polyolefin and an inorganic filler dispersed in the polyolefin. Methods for forming polymeric films and articles of manufacture prepared therefrom are described.

A mold for producing contact lenses, a method of making a lens, a lens, and a method for making a coated lenses

본 발명은 콘택트 렌즈의 제조에 유용한 지환족 공중합체로부터 제조된 금형 및 이의 사용방법에 관한 것이다. The present invention relates to molds made from cycloaliphatic copolymers useful for the manufacture of contact lenses and methods of use thereof. 콘택트 렌즈, 지환족 공중합체, 카보사이클릭 환, 미경화 렌즈 배합물 Contact lenses, cycloaliphatic copolymers, carbocyclic rings, uncured lens formulations

Molds for producing contact lenses

This invention describes molds made from alicyclic co-polymers that are useful in the production of contact lenses and methods for their use.

Molds for producing contact lenses

This invention describes molds made from alicyclic co-polymers that are useful in the production of contact lenses and methods for their use.

Mold for contact lens manufacturing

MOLDS TO PRODUCE CONTACT LENSES

Se describen moldes fabricados a partir de copolímeros alicíclicos que son ventajosos para la producción de lentes de contacto y métodos para su uso. Molds manufactured from alicyclic copolymers that are advantageous for the production of contact lenses and methods for their use are described.

Molds for producing contact lenses

Molds for producing contact lenses

This invention describes molds made from alicyclic co-polymers that are useful in the production of contact lenses and methods for their use.

Molds for producing contact lenses

Molds for producing contact lenses

Molds for producing contact lenses

This invention describes molds made from alicyclic co-polymers that are useful in the production of contact lenses and methods for their use.

Method of controlling the adhesion of a molded plastic lens to the mold

Controlling the adhesion of cast polymeric optical lenses to a resinous optical mold by exposing the mold surface to monomeric vapors thereby altering the surface characteristics of the resinous mold and increasing the adhesion to the lens material.

Method of controlling the release of a cast plastic lens from a resinous lens mold

Controlling the release of cast polymeric optical lenses from a resinous optical mold by coating the resinous mold material particles with a release agent before forming the resinous material into a lens mold.

Method for the preparation of hydrophilic gels by monomer casting

Hydrogels, e.g. hydrogel contact lens are prepared by casting, preferably spin casting, hydrophilic gels in a plastic mold, preferably polypropylene in the presence of a surface active agent.

Molded polymeric object with wettable surface made from latent-hydrophilic monomers

This invention provides a molded polymeric object, partially or completely coated with a hydrophilic polymer which provides a wettable surface to the molded object such as a contact lens. It also provides a process for using latent-hydrophilic monomers to make molded objects with wettable surfaces.

Process for casting resinous lenses in thermoplastic cast replica molds

Molds for producing contact lenses

Abstract This invention describes molds made from alicyclic co-polymers that are useful in 5 the production of contact lenses and methods for their use. 02/03/I Ock 8529abstract.doc,2

Molds for producing contact lenses

Mold for contact lens manufacturing

種々異なるタイプのソフトコンタクトレンズを製造するのに使用できるレンズ成形型を作製する技術を提供する。本レンズ作製用の成形型は、少なくとも二つの異なる化学構造の脂環式モノマーを含んでなる脂環式コポリマーを含んでなる。

Molds for producing contact lenses

Molds for producing contact lenses

This invention describes molds made from alicyclic co-polymers that are useful in the production of contact lenses and methods for their use.

Molds for producing contact lenses

This invention describes molds made from alicyclic co-polymers that are useful in the production of contact lenses and methods for their use.

Vinyl alcohol ophthalmic lens mold, ophthalmic lens molded therein, and related methods

Preparation method of objects made from hydrophilic gelsnamely contact lences by polymer casting

Hydrogels, e.g. hydrogel contact lens are prepared by casting, preferably spin casting, hydrophilic gels in a plastic mold, preferably polypropylene in the presence of a surface active agent.

Method for determining composite articles using vacuum transfer

FIELD: technological processes.SUBSTANCE: invention relates to a method of preventing leakage of a vacuum bag through an inner chamber vacuum seal. Technical result is achieved by a method of preventing seepage through the seal of the inner chamber of the vacuum bag during curing of the composite laying, which includes application of inner bag vacuum pressure to inner chamber of bag and external vacuum pressure to external vacuum chamber. Inner chamber of the bag is formed by a vacuum bag covering the composite laying and sealed relative to the molding device, and vacuum pressure of the inner bag is not less than the pressure of the external vacuum. Temperature of composite laying increases to high temperature to initiate aging period at temperature. Ventilation of external vacuum chamber by connection with atmosphere for initiation of ventilation period of external vacuum chamber during period of aging at temperature. Application of compression pressure to seal of internal chamber of bag during ventilation period of external vacuum chamber. Repeated application of external vacuum pressure to external vacuum chamber for completion of ventilation period of external vacuum chamber.EFFECT: technical result is to ensure integrity and efficiency of seal inner chamber bags during hardening of composite laying.15 cl, 10 dwg РОССИЙСКАЯ ФЕДЕРАЦИЯ (19) RU (11) (13) 2 687 438 C1 (51) МПК B29C 70/44 (2006.01) ФЕДЕРАЛЬНАЯ СЛУЖБА ПО ИНТЕЛЛЕКТУАЛЬНОЙ СОБСТВЕННОСТИ (12) ОПИСАНИЕ ИЗОБРЕТЕНИЯ К ПАТЕНТУ (52) СПК B29C 70/44 (2019.02) (21) (22) Заявка: 2016129068, 15.07.2016 (24) Дата начала отсчета срока действия патента: 15.07.2016 (72) Автор(ы): АНДЕРСОН Майкл Р. (US), ЗЕНКНЕР Грант К. (US) 13.05.2019 8628639 B2, 14.01.2014. RU 2480334 C1, 27.04.2013. RU 2480335 C1, 27.04.2013. RU 2482965 C2, 27.05.2013. RU 2446946 C1, 10.04.2012. 06.10.2015 US 14/876,715 (45) Опубликовано: 13.05.2019 Бюл. № 14 2 6 8 7 4 3 8 R U (54) СПОСОБ ОТВЕРЖДЕНИЯ КОМПОЗИТНОГО ИЗДЕЛИЯ С ИСПОЛЬЗОВАНИЕМ ПЕРЕПАДА ...

Tile for insulation and noise reduction and manufacturing method thereof

본 발명은 단열 및 소음저감용 타일 및 이의 제조방법에 관한 것으로서, 더욱 상세하게는 욕실 또는 화장실에 설치되는데, 타일을 EPP(발포 폴리프로필렌) 재질로 발포 성형에 의해 제조됨으로써, 욕실 또는 화장실의 실내와 설치면 사이에 타일이 단열재 역할을 하기에 겨울철, 사용자가 타일에 직접 접촉해도 타일 자체가 차갑지 않아 욕실 또는 화장실의 사용이 편안하면서 편리하고, 상기 타일의 상부면과 하부면에는 횡과 종열로 다수개의 절단선이 교차 형성됨으로써, 욕실 또는 화장실에 설치된 급수구, 배수구 등에 맞춰 절단선을 따라 타일의 중앙부 또는 일부를 부분적으로 탈락시킨 뒤 설치면 전체에 설치할 수 있어 설치가 편리하며, 그에 따른 공사비용 및 공사기간이 저감되고, 상기 타일의 상부면에는 다수개의 미끄럼 방지용 돌기가 돌출 형성됨으로써, 사용자의 미끄럼을 방지하는 동시에 지압 효과가 있어 안전성 및 건강이 증진되며, 상기 타일의 하부면에는 다수개의 받침돌기가 일측으로 돌출 형성되고, 상기 타일의 내측에는 다수개의 공간부가 형성됨으로써, 타일을 통해 소음 및 진동이 외부로 전달되는 것을 최소화하고 외부에서 유입되는 소음 및 진동도 저감시키는 특징이 있다. The present invention relates to a tile for heat insulation and noise reduction and a method for manufacturing the same, and more particularly, is installed in a bathroom or toilet. Since the tile acts as an insulator between the tile and the installation surface in winter, the tile itself is not cold even in direct contact with the tile, making it convenient and convenient to use the bathroom or toilet. By intersecting a plurality of cut lines, the central part or part of the tile can be partially removed along the cut line along the cut line in accordance with the water supply or drain port installed in the bathroom or toilet, and then installed on the entire installation surface, which is convenient for installation. The cost and construction period are reduced, and a plurality of anti-skid protrusions are formed on the upper surface of the tile to prevent the user from slipping and at the same time have an acupressure effect, thereby improving safety and health. The support protrusion is formed to protrude to one side, and a plurality of space portions are formed inside the tile, thereby minimizing transmission of noise and vibration to the outside through the tile and reducing noise and vibration introduced from the outside.

The Ophthalmoligic instrument mould formed by ethenol copolymer, wherein molded Ophthalmoligic instrument and correlation technique

本文描述由至少一种乙烯醇共聚物制造并且静态静滴接触角小于70度的眼科装置模具；使用这些模具形成的眼科装置，例如眼部插入物和隐形眼镜并且包括硅酮水凝胶装置；和相关方法。所述制造眼科装置的方法可使用干式或湿式脱模工艺，或干式或湿式脱镜片工艺。

Plastic film having oxygen absorbing function and infusion bag

본 발명은 산소 흡수 기능을 갖는 의료 용기용 플라스틱 필름 및 이것으로 이루어지는 수액 백에 관한 것으로, 탄소수가 11 이상인 락탐의 개환 중합 또는 탄소수가 11 이상인 ω-아미노산을 축중합하여 얻어지는 폴리아미드, 또는 탄소수 10 이상인 디카르복실산과 탄소수 6 이상인 디아민을 공축중합하여 얻어지는 폴리아미드로 이루어지는 제1층(1); 제1층에 인접하여 에틸렌-비닐 알코올 공중합체를 주성분으로 하고, 불포화 이중 결합을 갖는 폴리엔계 중합체, 천이 금속염을 부성분으로 하는 혼합 조성물인 제2층(2); 제2층에 인접하여 a-올레핀과 불포화 카르복실산 또는 불포화 디카르복실산 무수물 모노머의 공중합체를 주성분으로 하는 제3층(3); 폴리에틸렌을 주성분으로 하는 밀봉층의 적어도 4층(4)으로 이루어지고, 공압출 수냉식 인플레이션법에 의해 제막된다. TECHNICAL FIELD The present invention relates to a plastic film for a medical container having an oxygen-absorbing function, and a liquid bag comprising the same, wherein the polyamide is obtained by ring-opening polymerization of lactam having 11 or more carbon atoms or? -Amino acid having 11 or more carbon atoms, A first layer (1) comprising a polyamide obtained by co-condensation of a dicarboxylic acid and a diamine having 6 or more carbon atoms; A second layer (2) which is a mixed composition comprising, as a main component, an ethylene-vinyl alcohol copolymer adjacent to the first layer and comprising a polyene polymer having an unsaturated double bond and a transition metal salt as subcomponents; A third layer (3) consisting essentially of a copolymer of an a-olefin and an unsaturated carboxylic acid or an unsaturated dicarboxylic acid anhydride monomer adjacent to the second layer; And at least four layers (4) of a sealing layer mainly composed of polyethylene, and is formed by a co-extrusion water-cooled inflation method.

Fuel tank manufacturing method and fuel tank

Knitted textile and shoe upper and manufacturing method thereof

本申请涉及一种针织纺织品和鞋面及其制作方法。公开了具有一种或多种纺织物的穿戴制品，该纺织物包括低处理温度聚合物组合物和高处理温度聚合物组合物；以及制造该穿戴物品的方法。低处理温度聚合物组合物和高处理温度聚合物组合物可以选择性地并入纺织物中以便为制品提供一种或多种结构特性和/或其他有利的特性。纺织物可以被热成形以便为该穿戴制品赋予此类结构特性和/或其他有利的特性。本摘要旨在作为用于在特定技术领域中检索目的的搜索工具且并不旨在限制本公开。

New die design for improved properties

입구, 배향, 병합(205) 및 출구(211) 섹션을 갖는 압출 다이가 제공되며, 이 다이는 그 안에 분산된 예컨대 배향된 보강재 재료(예를 들어, PTFE)를 갖는 파이버를 제조하는데 사용될 수 있다. 다이는 향상된 기계적 및 프로세싱 특성을 갖는 파이버를 제공한다. 배향 섹션은 배향 채널(203)을 포함하고, 여기서 채널 유입구의 단면적 대 채널 유출구의 단면적의 비율은 2 내지 45 사이 이다. An extrusion die is provided having inlet, oriented, merged (205) and outlet (211) sections, which die can be used to make fibers having, for example, oriented reinforcement material (eg, PTFE) dispersed therein. . The die provides fibers with improved mechanical and processing properties. The orientation section includes an orientation channel 203 , wherein the ratio of the cross-sectional area of the channel inlet to the cross-sectional area of the channel outlet is between 2 and 45.

Ophthalmic device molds formed from water-soluble vinyl alcohol copolymer, ophthalmic devices molded therein, and related methods

본 발명은 1종 이상의 수용성 비닐 알콜 공중합체로부터 제조된 안과용 기구 몰드, 이들 몰드를 사용하여 형성된, 실리콘 히드로겔 기구를 비롯한 안내 삽입물 및 콘택트 렌즈와 같은 안과용 기구, 1종 이상의 수용성 비닐 알콜 공중합체를 포함하는 용액 중에 존재하는 패키징된 안과용 기구, 및 관련 방법에 관한 것이다. 안과용 기구의 제조 방법은, 몰드를 물 또는 수용액 중에 용해시키는 것을 포함하는, 습식 탈형 공정, 또는 습식 렌즈분리 공정, 또는 습식 탈형 및 습식 렌즈분리 공정 둘 다를 이용할 수 있다. The present invention relates to ophthalmic instrument molds made from one or more water soluble vinyl alcohol copolymers, ophthalmic instruments such as guide inserts and contact lenses, such as silicone hydrogel devices, formed using these molds, at least one water soluble vinyl alcohol copolymer The present invention relates to packaged ophthalmic devices, and related methods, that are present in solutions containing the coalescent. The method of manufacturing an ophthalmic instrument can use either a wet demolding process, or a wet lens separation process, or a wet demoulding and wet lens separation process, including dissolving the mold in water or an aqueous solution.

Polymer moldings with wet surfaces made from potentially hydrophilic monomers

본 발명은, 콘택트 렌즈와 같은 성형물에 습윤 표면을 제공하는 친수성 중합체에 의해 부분적으로 또는 완전히 코딩된 중합체 성형물을 제공한다. 또한, 습윤 표면을 갖는 성형물을 제조하기 위해 잠재적 친수성 단량체를 사용하는 방법을 제공한다.

Beverage container holder

A beverage container holder having a receptacle, gripping members, and a membrane is disclosed. The membrane is disposed in openings located between a sidewall of the receptacle and the gripping members. Living hinges are integrated into the gripping members, which allow the gripping members to flex and provide a gripping force on a beverage container that has been placed into the beverage container holder in order to provide a more stable and secure placement of the container. The receptacle and gripping members are manufactured in one step process, preferably an injection molding process, and are composed of a material having a low coefficient of friction, preferably a hard plastic, which allows for the easy placement or retrieval of a beverage container. The membrane is overmolded onto the receptacle and gripping members and is preferably composed of a flexible material such as a soft plastic or rubber.

Ophthalmic device molds formed from vinyl alcohol copolymer, ophthalmic devices molded therein, and related methods

본 발명은 1종 이상의 비닐 알콜 공중합체로 제조되고, 70도 미만의 정적 앉은 방울 접촉각을 갖는 안과용 기구 몰드, 이러한 몰드를 사용하여 형성된, 실리콘 히드로겔 기구를 비롯한 안내 삽입물 및 콘택트 렌즈와 같은 안과용 기구, 및 관련 방법에 관한 것이다. 안과용 기구의 제조 방법은 건식 또는 습식 탈형 공정, 또는 건식 또는 습식 렌즈분리 공정을 이용할 수 있다. The present invention relates to an ophthalmic appliance mold made of one or more vinyl alcohol copolymers and having a static sitting drop contact angle of less than 70 degrees, a guide insert formed using such a mold, a guide insert including a silicone hydrogel device, And related methods. The manufacturing method of the ophthalmic instrument can be a dry or wet desoldering process, or a dry or wet lens separation process.

Molding-system and correlation technique

在一个实施例中，一种调节用于模制的预制件(34)的系统(42)包括：用于接收预制件(34)的加热腔(46)；被配置成加热气体的加热器(48)；以及被配置成迫使由加热器(48)加热的气体进入加热腔(46)中并到达预制件(34)的外表面上的鼓风机(58)。在另一实施例中，一种调节用于模制的预制件(34)的方法包括：将预制件(34)定位在加热腔(46)中；以及迫使加热的气体进入加热腔(46)中并到达预制件(34)的外表面上。在另一实施例中，提供了一种用于模制物体的系统(70)。在又一实施例中，提供了一种用于模具系统(70)的致动器系统。

Ophthalmic device molds formed from water-soluble vinyl alcohol copolymer, ophthalmic devices molded therein, and related methods

本文描述由至少一种水溶性乙烯醇共聚物制造的眼科装置模具；使用所述模具形成的眼科装置，例如眼部插入物和隐形眼镜并包括硅酮水凝胶装置；存在于包含所述至少一种水溶性乙烯醇共聚物的溶液中的包装的眼科装置；和相关方法。所述制造眼科装置的方法可使用湿式脱模工艺，或湿式脱镜片工艺，或湿式脱模和湿式脱镜片工艺两者，所述工艺涉及将所述模具溶解于水或水溶液中。

Coextrusion Crosslinked Polyolefin Foam With KEE Cap Layer

본 개시내용은 적어도 1개의 발포체 폴리프로필렌/폴리에틸렌 층과 KEE 캡 층을 포함하는, 물리적으로 가교된 독립 기포 연속 다층 발포체 구조물에 관한 것이다. 다층 발포체 구조물은 적어도 1개의 발포체 층 조성물 층과 적어도 1개의 캡 층 조성물 층을 포함하는 다층 구조물을 공압출시키고, 공압출된 구조물에 이온화 방사선을 조사하고, 조사된 구조물을 연속적으로 발포시킴으로써 얻을 수 있다.

Methods of manufacturing coated contact lenses

Methods are disclosed for manufacturing a coated contact lens that comprises a polymeric lens body comprising an acid group, a first coating polymer comprising a first amine group ionically bound to the acid group, and a second coating bound to the first coating polymer through covalent linkage between a nitrogen atom of a second amine group on the first coating polymer and an amine-reactive group of the second coating polymer. In some examples the lenses exhibit improved surface properties compared to uncoated lenses, such as reduced adhesion, increased wettability, increased lubricity, and/or increased lipid resistance.

Mould for realizing a temporary prosthesis of hip or shoulder, and method thereof

Mould and method for realizing a temporary prosthesis of hip or shoulder, which comprises a shaft and a head. The mould comprises: a first mould portion ( 1 ) comprising a first half-shell ( 2 ); a second mould portion ( 3 ) comprising a second half-shell ( 4 ); the first mould portion ( 1 ) and the second mould portion ( 3 ) being able to be coupled with respect to each other so that the first and second half-shell ( 2, 4 ) are counter-faced and define a chamber ( 5 ) which conforms a shaft portion ( 5 a ), a head portion ( 5 b ) and an opening ( 5 c ) for injection of a fluid (preferably viscous) material; fixing means ( 6 ) for fixing the first and the second portion ( 1, 3 ); a first insert ( 7 ) comprising a cap portion ( 8 ) which is realized as a unique body, is dimensioned to be inserted in the head portion ( 5 b ) and is conformed to give shape to the head of the prosthesis. The first mould portion ( 1 ), the second mould portion ( 3 ) and the first insert ( 7 ) are mutually conformed to obtain a temporary prosthesis, when the first mould portion ( 1 ) and the second mould portion ( 3 ) are coupled together, the first insert ( 7 ) is inserted in the head portion ( 5 b ) and the fluid (preferably viscous) material is injected in the opening ( 5 c ).

Polyolefin microporous film and method for producing same

폴리프로필렌을 포함하는 폴리올레핀 수지를 사용하여 겔상 성형물을 형성하고, 이것을 적어도 1방향으로 연신, 세정함으로써 얻어지는 폴리올레핀 미다공막으로서, 전해액 주액성이 20초 이하이며, 두께 방향에 수직인 적어도 일면 내에 있어서 폴리프로필렌 분포가 균일한 것을 특징으로 하는 폴리올레핀 미다공막 및 그 제조 방법. 내산화성, 기계적 특성, 투과성이 우수한 폴리올레핀 미다공막을 제공한다. A polyolefin microporous membrane obtained by forming a gelled molded product using a polyolefin resin containing polypropylene, drawing and washing it in at least one direction, and having an electrolyte solution liquidity of 20 seconds or less and being in at least one surface perpendicular to the thickness direction. Polypropylene microporous membrane and its manufacturing method characterized by uniform propylene distribution. Provided is a polyolefin microporous membrane having excellent oxidation resistance, mechanical properties, and permeability.

Corrosion resistant composite product, useful as reinforcement in cement or thermoplastic matrices, comprises composite fibers formed by mixing thermoplastic and mineral reinforcing material filaments

A novel corrosion-resistant composite product (I) is obtained from composite fibers formed by co-mixing, during drawing, (a) filaments of thermoplastics and (b) filaments of mineral reinforcing material resistant to basic and/or acidic corrosion, at least part of the thermoplastic material being molten.

Method and device for the preparation of laminated assemblies of transparent webs or sheets, intended to be compressed

Container manufacturing method and container

本發明係一種容器之製造方法，其係使用聚丙烯系樹脂組合物作為樹脂原料者，且包括：射出成形步驟，其係將經熔融之上述聚丙烯系樹脂組合物投入至特定之射出成形模具中，形成預成型體，並且於在上述射出成形模具內，將該預成型體冷卻至110℃以下之後，自上述射出成形模具脫模；以及延伸吹塑成形步驟，其係將上述預成型體進行延伸吹塑成形，而形成容器。

Patent DE8806496U1

Ophthalmic device molds formed from highly amorphous vinyl alcohol polymer, ophthalmic devices molded therein, and related methods

Ophthalmic device molds made from at least one highly amorphous vinyl alcohol polymer, ophthalmic devices such as ocular inserts and contact lenses and including silicone hydrogel devices formed using these molds, and related methods are described. The methods of manufacturing ophthalmic devices can use dry or wet demolding processes, or dry or wet delensing processes.

Molded polymeric object with wettable surface made from latent-hydrophilic monomers

This invention provides a molded polymeric object, partially or completely coated with a hydrophilic polymer which provides a wettable surface to the molded object such as a contact lens. It also provides a process for using latent-hydrophilic monomers to make molded objects with wettable surfaces.

METHOD FOR MANUFACTURING AN OPHTHALMIC DEVICE AND MEMBER OF OPHTHALMIC LENS TEMPLATE

método para fabricar um dispositivo oftálmico e membro de molde de lente oftálmica trata-se de moldes de dispositivo oftálmico feitos a partir de uma primeira parte de uma superfície de moldagem formada de um primeiro polímero e uma segunda parte da superfície de moldagem formada de um segundo polímero. quando combinadas, a primeira parte e a segunda parte da superfície de moldagem formam uma superfície de moldagem inteira adequada para moldar uma superfície inteira, tal como uma superfície anterior ou uma superfície anterior ou uma superfície posterior de um dispositivo oftálmico. os métodos para fabricar dispositivos oftálmicos usando esses moldes, incluindo lentes de contato, são também descritos. method for making an ophthalmic device and ophthalmic lens mold member is ophthalmic device molds made from a first part of a molding surface formed of a first polymer and a second part of the molding surface formed of a second polymer. when combined, the first part and the second part of the molding surface form an entire molding surface suitable for molding an entire surface, such as an anterior surface or an anterior surface or a posterior surface of an ophthalmic device. methods for making ophthalmic devices using these molds, including contact lenses, are also described.

Ophthalmic device molds and related methods

Structure and method of integral injection molding of foam layer including el sheet

【課題】ＥＬシートを含むフォーム層一体射出成形構造の提供。【解決手段】基材１１１と、基材１１１の上側に配置される発光可能なＥＬシート１１３とＥＬシート１１３の上側に配置されるフォーム層１１５と、フォーム層１１５の上側に配置される透過率の調整可能な材料を用いて、発泡して形成されたスキン層１１７を含くみ、透過率の調整が可能な材料で形成された表面処理層１１９をスキン層１１７の上に更に含むＥＬシート１１３を有する、フォーム層１１５一体射出成形構造１００。ＥＬシート１１３は、ドアトリム内部に設置され、乗降時に発光する様に構成されている、ＥＬシートを有するフォーム層一体射出成形構造１００。【選択図】図２

Apparatus for thermally curing lens-forming material

一种用于使容纳在透镜模具(10，60)中的透镜形成材料的热固化以形成眼科透镜的装置(1，2)，包括：由金属制成的托盘(30，40)，所述托盘具有固定开口；由塑料制成的模具支架(20，50)，其中，所述模具支架具有紧固件(25、53)，所述紧固件固定到所述托盘的固定开口(31，41)处并且将所述模具支架固定到所述托盘上，其中，所述模具支架进一步具有定位引导件(27，55)，所述定位引导件被构造用于将透镜模具定位到所述模具支架上相对于所述托盘的预定位置上，并且其中，所述模具支架进一步具有支撑表面(23，52)；以及布置在所述模具支架上的透镜模具，所述透镜模具具有搁置在所述模具支架的支撑表面上的支承表面(11，61)。所述透镜模具被布置成与所述托盘间隔开间隙距离(C，T)。

Composite sucker rod assembly made by resin infusion

A composite sucker rod assembly is provided for use in down-hole wells. The sucker rod assembly includes a plurality of wound fiber strength elements that are drawn into an in-situ mold tube or clamshell and resin-infused in conjunction with creating a conical wedge terminus connection for at least one end-fitting. Each terminus fitting has a tapered cavity with a proximal opening to receive the composite material. The cavity is tapered so as to flare outwardly from said cavity's proximal opening toward the cavity's distal end. A two-piece cruciform or single piece pin insert interlocks with the wound fiber elements and the terminus fitting to form a high strength connection. The assembly is tensioned prior to infusing and curing the resin matrix for the composite. The mid-span of the sucker rod or tension member can be molded in an oval, elliptical or airfoil shape by various means.

Multi-material separation layer for additive manufacturing