Poly-trimethylene terephthalate solid core fibrillation-resistant filament having a substantially triangular cross section, a spinneret for producing the filament, and a carpet made therefrom

In a first aspect the invention is a solid core fibrillation-resistant, synthetic polymeric filament having three substantially equal length convex sides. The sides through substantially rounded tips centered by a distance “a” from the axis of the filament. Each rounded tip has a radius substantially equal to a length “b”. Each tip lies on a circumscribed circle having a radius substantially equal to a length (a+b) and the midpoint of each side lies on an inscribed circle having a radius substantially equal to a length “c”. The filament has a denier-per-filament in the range 10<“dpf”<35; the distance “a” lies in the range 0.00025 inches (6 micrometers)<“a”<0.004 inches (102 micrometers); the distance “b” lies in the range from 0.00008 inches (2 micrometers)<“b”<0.001 inches (24 micrometers); the distance “c” lies in the range from 0.0003 inches (8 micrometers)<“c”<0.0025 inches (64 micrometers); and the modification ratio (“MR”) lies in the range from about 1.1<“MR”<about 2.0. In still another aspect the present invention is directed to a spinneret plate having a plurality of orifices formed therein for forming the solid core fibrillation-resistant, synthetic polymeric filament. Each orifice has a center and three sides with each side terminating in a first and a second end point and with a midpoint therebetween. The sides can be either concave or linear connected by either a circular or a linear end contour.

YARN TREATMENT CHAMBER

A yarn treatment chamber for thermal treatment of a running yarn, with a centre zone, in which a pressurized hot, gaseous or vaporous medium acts on the yarn, and end zones on both sides of the centre zone, in which a cooling, gaseous medium is active. The end zones have a yarn inlet or outlet openings with a yarn sluice, which seals the associated end zone and the yarn treatment chamber. The yarn inlet and outlet openings () are arranged such that the yarn () must change direction, and the yarn treatment chamber ( has yarn deflection means () to guide the yarn () between the yarn inlet and outlet openings (). Both the yarn sluice (A) and the yarn sluice (B) are accessible without problems to operating staff at an ergonomically favourable height below the yarn deflection means () of the yarn treatment chamber (). 12314211214232322331221. Yarn treatment chamber for the thermal treatment of a running yarn , with a centre zone , in which a hot , gaseous or vaporous medium under pressure acts on the yarn , and end zones arranged on both sides of the centre zone , in which a cooling , gaseous medium is active , the end zones each having a yarn inlet opening or a yarn outlet opening with a yarn sluice , which , in the operating state in conjunction with the running yarn , seals the associated end zone and therefore the yarn treatment chamber , characterised in that the yarn inlet opening () and the yarn outlet opening () are arranged in such a way that the running yarn () has to change its running direction , in that the yarn treatment chamber () , for this purpose , has yarn deflection means () to guide the yarn () fed through the yarn inlet opening () to the yarn outlet opening () and in that both the first yarn sluice (A) arranged in the region of the yarn inlet opening () and the second yarn sluice (B) arranged in the region of the yarn outlet opening () are arranged in a manner accessible without problems to the operating staff at an ergonomically favourable height ...

PROCESS AND APPARATUS FOR MAKING ALTERNATE S/Z TWIST PLIED BRAID OR JOINED ALTERNATE S/Z TWIST PLIED YARNS

The present invention provides an improved method and device for producing an alternate S/Z twist plied braid and joined alternate S/Z twist plied yarns. The invention further provides an alternate S/Z twist plied braid and joined alternate S/Z twist plied yarns produced according to a process of the invention. 2. The method according to claim 1 , wherein step c) comprises bringing together the alternately S/Z twisted strands via a narrowing claim 1 , in phase: all nodes coinciding claim 1 , and with zones of equal twist direction next to each other.3. The method according to claim 1 , wherein step g) comprises combining the alternate S/Z twist plied yarns via a narrowing in phase: all nodes coinciding claim 1 , and with zones of equal twist direction next to each other.5. The method according to claim 4 , wherein step m) comprises bringing together the alternately S/Z twist plied strandsvia a narrowing, in phase: all nodes coinciding, and with zones of equal twist direction next to each other.6. The method according to claim 4 , wherein step q) comprises combining the alternate S/Z twist plied yarns via a narrowing in counter phase: all nodes coinciding claim 4 , and with zones of opposite twist direction next to each other.7. The method according to claim 1 , wherein the tension of the alternate S/Z twist plied yarns is reduced in a controlled manner with a closed circuit system on the basis of the measured tension of the alternate S/Z twist plied braid respectively the joined alternate S/Z twist plied yarns.8. The method according to claim 1 , wherein the tension of the alternate S/Z twisted yarns is reduced in a controlled manner with a closed circuit system on the basis of the amount of yarn between the step of connecting the nodes of the alternate S/Z twist plied yarns (h claim 1 , r) claim 1 , and the step of leading away the yarn produced (j claim 1 , s).9. The method according to claim 1 , wherein the fibers or filaments of the alternate S/Z twisted yarns ...

MANUFACTURING OF ARTIFICIAL MUSCLE ACTUATORS

Methods and a device for the continuous manufacturing of artificial muscle actuator device fibers are disclosed. The method includes: threading an untwisted fiber along the axis of a tube and inside the tube that includes a heating means to raise the localized temperature of a cross-section of the tube to a predetermined temperature; providing a tension on the untwisted fiber; and twisting the untwisted fiber while the fiber is within the tube. 1. A method of manufacturing an artificial muscle actuator fiber , the method comprising: threading an untwisted fiber along the axis of a tube and inside the tube;', 'providing a tension on the untwisted fiber; and', 'twisting the untwisted fiber while the fiber is within the tube,', 'wherein the tube comprises a heating means to raise the localized temperature of', 'a cross-section of the tube to a predetermined temperature., 'in a continuous process,'}2. The method of claim 1 , wherein the predetermined temperature is greater than the glass transition temperature of the fiber and less than the melting temperature of the fiber.3. The method of claim 1 , wherein the twisting of the untwisted fiber forms a coiled fiber inside the tube.4. The method of claim 1 , wherein the untwisted fiber comprises a polymer fiber selected from the group consisting of Nylon 6 claim 1 , Nylon 6 claim 1 ,6 claim 1 , polyethylene claim 1 , polyvinylidene fluoride claim 1 , Nylon 6 claim 1 ,10 claim 1 , Nylon 6 claim 1 ,12 claim 1 , liquid crystalline polymers claim 1 , polyarylate claim 1 , and combinations thereof.5. The method of claim 1 , wherein the untwisted fiber comprises carbon nanotubes (CNT).6. The method of claim 1 , further comprising: applying a coating to the twisted or untwisted fiber.7. The method of claim 1 , further comprising: applying a coating to the fiber while the fiber is inside the tube.8. The method of claim 1 , further comprising: removing moisture from the untwisted fiber prior to threading the untwisted fiber along ...

On-line drying of hollow fiber membranes

The present invention relates to a continuous process for preparing permselective hollow fiber membranes being suitable e.g. for hemodialysis, hemodiafiltration and hemofiltration of blood which comprises a two-stage drying and tempering treatment of the hollow fiber membranes. According to a further aspect, the invention relates to a continuous process for drying permselective hollow fiber membranes on-line. The invention also relates to devices for on-line drying of permselective hollow fiber membranes.

METHOD FOR MANUFACTURING FIBER REINFORCED RESIN MATERIAL AND APPARATUS FOR MANUFACTURING FIBER REINFORCED RESIN MATERIAL

The present invention provides a method for manufacturing a fiber reinforced resin material, the method including an opening step of opening an elongated fiber bundle to be widened in a width direction thereof to be put into a flat state; and a heat setting step of heat-setting the opened fiber bundle in the flat state by heating. In addition, the present invention provides an apparatus for manufacturing a fiber reinforced resin material containing a plurality of fiber bundles and a resin, the apparatus including an opening section that opens an elongated fiber bundle to be widened in a width direction thereof to be put into a flat state; and a heat setting section that heat-sets the opened fiber bundle in the flat state by heating. 1. A method for manufacturing a fiber reinforced resin material , the method comprising:an opening step of opening an elongated fiber bundle to be widened in a width direction thereof to be put into a flat state; anda heat setting step of heat-setting the opened fiber bundle in the flat state by heating.2. The method for manufacturing a fiber reinforced resin material according to claim 1 , wherein a fiber bundle attached with a resin is used as the fiber bundle.3. The method for manufacturing a fiber reinforced resin material according to claim 1 , wherein a fiber bundle attached with a sizing agent is used as the fiber bundle.4. The method for manufacturing a fiber reinforced resin material according to claim 1 , further comprising a separating step of separating the opened fiber bundle to be divided in the width direction between the opening step and the heat setting step.5. The method for manufacturing a fiber reinforced resin material according to claim 1 , wherein the method is a method for manufacturing a fiber reinforced resin material containing a plurality of fiber bundles and a resin and includes a step of continuously cutting the fiber bundle after the heat setting step.6. The method for manufacturing a fiber reinforced resin ...

Fast Torsional Artificial Muscles from Twisted Yarns of Shape Memory Material

A torsional actuator formed of a yarn of twisted shape memory material. The yarn has multiple strands of homogeneous shape memory material that have been homochirally twisted. For torsional actuation, a fractional portion of the yarn is heated such as by Joule heating. Various Joule heating mechanisms include passing an electrical current through an unwound segment of the yarn, or by coating a fractional portion of the length of each homogeneous strand with a coating material of higher electrical conductivity than the electrical conductivity of the shape memory material an passing current through the length of the yarn. The shape memory material may be a shape memory alloy such as a NiTi alloy. 1. A torsional actuator comprising:a yarn comprising a homochirally twisted plurality of homogeneous strands of shape memory material; anda controller for programmable heating of at least a portion of the yarn.2. A torsional actuator in accordance with claim 1 , wherein the programmable heating includes Joule heating.3. A torsional actuator in accordance with claim 2 , wherein the Joule heating includes electrical current flow traversing an entire length of the yarn.4. A torsional actuator in accordance with claim 1 , wherein a fractional portion of a length of each homogeneous strand is coated with a coating material of higher electrical conductivity than the an electrical conductivity of the shape memory material.5. A torsional actuator in accordance with claim 1 , wherein the homochirally twisted plurality of homogeneous strands includes at least two strands of shape memory alloy.6. A torsional actuator in accordance with claim 5 , wherein the shape memory alloy includes an alloy comprising nickel and titanium.7. A torsional actuator in accordance with claim 1 , wherein the shape memory material is nitinol microwire.8. A method for torsional actuation claim 1 , the method comprising differentially heating portions of a twisted yarn comprising homochirally twisted ...

METHOD FOR PREPARING MACROSCOPIC FIBRES OF TiO2 BY CONTINUOUS ONE-WAY EXTRUSION, FIBRES OBTAINED AND USES

The invention relates to a method for manufacturing macroscopic fibres of titanium dioxide (TiO) by continuous extrusion in a one-way flow, to the macroscopic fibres of TiOthat can be obtained by such a method, to the use of said fibres in heterogeneous photocatalysis for decontamination of organic pollutants from gaseous environments, and to a method for decontaminating gaseous environments, in particular air, using such fibres. 1. A process for preparing a titanium dioxide macroscopic fiber continuously comprising the following steps:i) the preparation of a dispersion of titanium dioxide nanoparticles in a solution of at least one vinyl alcohol polymer dissolved in a solvent,ii) the continuous and unidirectional extrusion of the dispersion obtained above in the preceding step in a coagulation bath suitable for giving rise to the solidification of said polymer, said extrusion being carried out by means of a, or a set of, cylindrical injection needle(s) having a diameter between 250 and 350 μm, in order to form a pre-fiber made of a composite material comprising the titanium dioxide nanoparticles and the solidified vinyl alcohol polymer,iii) the continuous extraction of the pre-fiber formed above in step ii) out of the coagulation bath, said extraction being carried out coaxially relative to the axis of extrusion of the dispersion in said coagulation bath,iv) the continuous washing of the pre-fiber extracted from the coagulation bath,v) the continuous drying of the pre-fiber from the preceding step in order to obtain a dry composite material fiber,vi) the elimination of the vinyl alcohol polymer by calcination of the dry composite material pre-fiber from the preceding step, in order to obtain a titanium dioxide macroscopic fiber.2. The process as claimed in claim 1 , wherein the titanium dioxide nanoparticles used during step i) are spherical nanoparticles claim 1 , the mean diameter of which varies from 2 to 15 nm.3. The process as claimed in claim 1 , wherein the ...

MULTI-FIBER CARDING APPARATUS AND METHOD

A method of forming carded fibers of different materials. A feed system has a plurality of separate laterally spaced chambers containing fibers of different materials. The different fibers are fed in separate laterally spaced paths into a carding apparatus having a plurality of rollers and cylinders each having laterally spaced sections in alignment with the laterally spaced paths to receive and maintain the different fibers in the laterally spaced paths thereon as they move through the carding apparatus. The different fibers are combined into a multi-fiber roving or web after they exit the carding apparatus. Depending on the composition of the different fibers, they may be combined by conveying them through a humidifying and heated chamber or chambers. 1. A method of forming carded fibers of different materials , comprising:providing a feed system having a plurality of separate laterally spaced chambers containing fibers of different materials;feeding the different fibers in separate laterally spaced paths onto a plurality of rollers and cylinders in a carding apparatus, said rollers and cylinders each having laterally spaced sections in alignment with the laterally spaced paths to receive and maintain the different fibers in the laterally spaced paths therein as they move through the carding apparatus; andcombining the different fibers into a multi-fiber roving or web after they exit the carding apparatus.2. The method of wherein the laterally spaced sections of the rollers and cylinders are of a width corresponding to a width of the different fiber paths.3. The method of wherein the laterally spaced sections of the rollers and cylinders are separated by raised bands that are in laterally spaced relation thereon.4. The method of wherein the hands are formed of metal and welded onto the rollers and cylinders.5. The method of wherein the laterally spaced sections contain spaced raised wires and the bands are interlocked with the spaced wires.6. The method of wherein ...

Modular Furnace, In Particular For The Oxidative Stabilization Of A Carbon Fiber Starting Material

A modular furnace, in particular for the oxidative stabilization of a carbon fiber starting material comprising a cuboidal furnace chamber, on the upper face of which first deflecting rollers are arranged in a mutually spaced and parallel manner and on the lower face of which second deflecting rollers are arranged in a mutually spaced and parallel manner such that the carbon fiber starting material runs upwards and downwards in a laterally adjacent and slightly spaced manner so as to meander vertically in the area of the furnace chamber. A carbon fiber inlet locking device and a carbon fiber outlet locking device are provided on the upper face of the furnace chamber, and an air guiding device is connected to the furnace chamber. A supply air portion of the air guiding device is connected to a vertical air inlet side of the furnace chamber, and a discharge air portion of the air guiding device is fluidically connected to a furnace chamber vertical air outlet side opposite the vertical air inlet side. The air guiding device has an air drive device between the supply air portion and the discharge air portion. 1. A modular furnace comprising a rectangular-block shaped furnace chamber , first deflection rollers being disposed so as to be mutually spaced apart and mutually parallel on the upper side of the furnace chamber , and second deflection rollers being disposed so as to be mutually spaced apart and mutually parallel on the lower side of the furnace chamber in such a manner that the carbon thread starting material in the furnace space of the furnace chamber runs side-by-side and mutually slightly spaced apart in a meandering vertical up-and-down manner , a carbon thread entry lock installation and a carbon thread exit lock installation provided on the upper side of the furnace chamber , an air guiding installation which by way of an intake air portion is connected to a vertical air entry side of the furnace chamber and by way of an exhaust air portion is connected ...

DEVICE FOR THE THERMAL TREATMENT OF YARNS

A device for the thermal treatment of yarns comprising at least one inlet opening and at least one outlet opening for at least one transport means, which transports the yarn through the device, and comprising separating elements at the inlet opening and the outlet opening for thermal shielding, in order to minimise the exchange of media to the environment. The separating elements are configured to have a low bending rigidity and are arranged such that a surface load is applied onto the yarn lying on the transport means, for example a conveyor belt, which is not greater than 0.005 kg*cm. 11345231679101145. Device () for the thermal treatment of yarns () comprising at least one inlet opening () and at least one outlet opening () for at least one transport means () , which transports the yarn () through the device () , and comprising separating elements ( , , , , ) at the inlet opening () and the outlet opening () for thermal shielding in order to minimise the exchange of media to the environment ,characterised in that{'b': 6', '7', '9', '10', '11', '3', '2, 'sup': '−2', 'the separating elements (, , , , ) are configured to have a low bending rigidity and are arranged such that a surface load is applied onto the yarn () lying on the transport means () which is not greater than 0.005 kg*cm.'}223. Device according to claim 1 , characterised in that for thermal shielding to minimise the exchange of media the separating elements are made from a flexible material arranged on the side of the transport means () covered with yarn ().37. Device according to claim 2 , characterised in that the separating element is designed as a flexible loop ().487. Device according to claim 3 , characterised in that a loading element () is arranged inside the loop ().56. Device according to claim 2 , characterised in that the yarn-contacting side of the flexible material () has low-friction properties.69. Device according to claim 1 , characterised in that for thermal shielding the separating ...

METHOD FOR PREPARING NATURAL FIBER COMPOSITE MATERIAL FOR INJECTION MOLDING BY USING CONVERGENT NOZZLE HEATING JIG

The present invention relates to a manufacturing method of a natural fiber composite material for injection molding using a reduced nozzle heating jig, and particularly, to a manufacturing method of a natural fiber composite material for injection molding using a reduced nozzle heating jig, which is configured to include: combining natural fibers and synthetic fibers (S); heat-pressing the combined ply yarn while passing through a reduced nozzle heating jig and melting and pressing the synthetic fibers and fusing the synthetic fibers to the natural fibers (S); and palletizing the mixed ply yarn (S). 1. A manufacturing method of a natural fiber composite material for injection molding using a reduced nozzle heating jig , comprising:{'b': '1', 'combining natural fibers and synthetic fibers (S);'}{'b': 100', '2, 'heat-pressing the combined ply yarn while passing through a reduced nozzle heating jig and melting and pressing the synthetic fibers and fusing the synthetic fibers to the natural fibers (S); and'}{'b': '3', 'palletizing the mixed ply yarn (S).'}2100. The manufacturing method of claim 1 , wherein the reduced nozzle heating jig is configured to include{'b': '110', 'a jig body ,'}{'b': 120', '110, 'one or more reduced nozzles formed in the jig body , and'}{'b': 130', '110, 'one or more heating heaters installed in the jig body , and'}{'b': '120', 'the reduced nozzle is configured to further include'}{'b': '121', 'a derivation introduction unit ,'}{'b': 122', '121, 'a reduced heating pressing unit formed subsequently to the derivation introduction unit and having an inner diameter which is gradually reduced, and'}{'b': 123', '122, 'a heat-pressing unit formed subsequently to the reduced heat-pressing unit .'}311230. The manufacturing method of claim 2 , wherein an inner diameter d of the heat-pressing unit is formed to be smaller than an outer diameter d of the ply yarn.4. The manufacturing method of claim 1 , wherein the natural fiber is configured to include ...

A FIBER PRODUCTION SYSTEM AND PRODUCTION METHOD

The present invention relates to a fiber production system () and production method which enables heat treatment applied during fiber production to be performed as applying laser on the fiber. The objective of the present invention is to provide a fiber production system () and production method which enables to perform momentary heat treatment on the filament (F) via laser beam (L) and which eliminates defected points in the filament structure by heating fast and drawing in fiber production. 1. A fiber production system , for preventing the skin-core structure formed in the fiber and/or eliminating this structure , comprising:at least one molten forming member which enables the polymeric crude material to be used in fiber production to be heated and melted,at least one extrusion member which enables the molten crude material to be passed through at least one spinneret at its end part,at least one cooling unit which provides filament structure to the crude material going out of the extrusion member and passing through the spinnerets by cooling it,a plurality of rollers which enables the crude material to be heated above glass transition temperature or crystallization temperature and the fiber material in filament form to reach a certain crystallinity by being drawn at a certain tension,at least one mobile laser device which enables to form a balanced heat distribution and thus the defect in the filament structure to be eliminated by drawing via heat and the rollers by applying laser beam on the filament during drawing the filaments with the rollers,at least one heated chamber which is located between any two rollers, preferably before the fourth roller, applying heat on the material in order to increase crystallinity in the fiber material drawn with the rollers, and enabling the continuity of the filament structure provided to the material,at least one control member which enables to guide the mobile laser device to the related area according to the data it receives ...

High crystalline poly(lactic acid) filaments for material-extrusion based additive manufacturing

Provided is a new and better solution to the problems associated with the premature softening of PLA filaments in the additive manufacturing of three dimensional articles. It is based upon the finding that poly (lactic acid) filaments with high crystallinity offer much better resistance to heat-induced softening. The crystalline poly (lactic acid) filament can accordingly be used in the additive manufacturing of three dimensional articles without encountering the problems associated with premature softening, such as poor quality and printer jamming. The crystalline poly (lactic acid) filaments can also be used in additive manufacturing of three dimensional articles without compromising the quality of the ultimate product, reducing printing speed, increasing cost, or leading to increased printer complexity. It more specifically discloses a filament for use in three-dimensional printing which is comprised of crystalized poly (lactic acid), wherein said filament has a diameter which is within the range of 1.65 mm to 1.85 mm.

Method for manufacturing structure

A method of preparing a structure, more particularly, a method of preparing a structure capable of ensuring a space for carrying an electrode active material by a simple method which includes an electrospinning process using a double nozzle electrospinning device and a heat treatment process.

HEATING DEVICE FOR PRODUCING CARBON FIBERS

A heating device for producing carbon fibers from a thread-shaped fiber starting material, wherein the heating device has a central tubular induction heating element through which the fiber starting material is moved. The tubular induction heating element is surrounded by thermal insulation. At least one mid- to high-frequency induction coil is provided outside the thermal insulation, and an inert gas flows through the central induction heating element, in particular, for carbonizing and/or graphitizing the fiber starting material. For energy optimization, a first and a second tube element is provided on the outer side of the thermal insulation. The elements are made of material that is transparent to the induction field of the mid- to high-frequency induction coil and are spaced apart from one another by an annular gap through which the inert gas flows. 1. A heating device for producing carbon fibers from a threadlike fiber starting material , wherein the heating device comprises a central tubular induction heating element through which the fiber starting material is moved , the tubular induction heating element is surrounded by a thermal insulation , the heating device is an induction coil outside the thermal insulation and the central tubular induction heating element receives a flow of inert gas , whereina heating source is formed by at least one medium to high frequency induction coil, and on the outside of the thermal insulation there are provided a first and a second tube element of material transparent to the induction field of the induction coil, which are separated from each other by an annular gap, through which the inert gas flows.2. The heating device as claimed in claim 1 , wherein gas guiding elements are provided in the annular gap between the first and the second tube element.3. The heating device as claimed in claim 1 , wherein the inert gas is guided in counterflow through the annular gap between the first and the second tube element and through ...

POST-EXTRUDED POLYMERIC MAN-MADE SYNTHETIC FIBER WITH COPPER

A method of producing synthetic yarn having copper properties. The method providing: applying a copper additive to a partially oriented yarn (POY) during one or more finishing processes of the POY to produce a copper enhanced POY having copper on the surface of the fibers of the copper enhanced POY. 1. A method of producing synthetic yarn having copper properties , the method comprising:applying a copper additive to a partially oriented yarn (POY) during one or more finishing processes of the POY to produce a copper enhanced POY having copper bonded to the surface of the fibers of the copper enhanced POY.2. The method of claim 1 , where applying the copper additive to the partially oriented yarn further comprises:applying the copper additive to the POY during a first finishing process of the one or more finishing processes and prior to one or more subsequent finishing processes of the one or more finishing processes, the one or more subsequent finishing processes being one or more of a texturing process and a spinning/twisting process.3. The method of claim 1 , where applying the copper additive to the partially oriented yarn further comprises:applying the copper additive to an undrawn POY having disoriented polymer fibers during a first finishing process to produce a copper enhanced POY having copper properties and disoriented polymer fibers.4. The method of claim 3 , further comprising:drawing the copper enhanced POY having copper properties and disoriented polymer fibers to produce a copper enhanced POY having copper properties and oriented polymer fibers.5. The method of claim 1 , where applying the copper additive to the partially oriented yarn further comprises:applying the copper additive to the POY during one or more of a texturing process and a spinning/twisting process of the one or more finishing processes.6. The method of claim 5 , where applying the copper additive to the partially oriented yarn further comprises:applying the copper additive to the POY ...

POST-EXTRUDED POLYMERIC MAN-MADE SYNTHETIC FIBER WITH POLYTETRAFLUOROETHYLENE (PTFE)

A method of producing synthetic yarn having polytetrafluoroethylene (PTFE) properties. The method providing: applying a PTFE additive to a partially oriented yarn (POY) during one or more finishing processes of the POY to produce a PTFE enhanced POY having PTFE on the surface of the fibers of the PTFE enhanced POY. 1. A method of producing synthetic yarn having polytetrafluoroethylene (PTFE) properties , the method comprising:applying a PTFE additive to a partially oriented yarn (POY) during one or more finishing processes of the POY to produce a PTFE enhanced POY having PTFE bonded to the surface of the fibers of the PTFE enhanced POY.2. The method of claim 1 , where applying the PTFE additive to the partially oriented yarn further comprises:applying the PTFE additive to the POY during a first finishing process of the one or more finishing processes and prior to one or more subsequent finishing processes of the one or more finishing processes, the one or more subsequent finishing processes being one or more of a texturing process and a spinning/twisting process.3. The method of claim 1 , where applying the PTFE additive to the partially oriented yarn further comprises:applying the PTFE additive to an undrawn POY having disoriented polymer fibers during a first finishing process to produce a PTFE enhanced POY having PTFE properties and disoriented polymer fibers.4. The method of claim 3 , further comprising:drawing the PTFE enhanced POY having PTFE properties and disoriented polymer fibers to produce a PTFE enhanced POY having PTFE properties and oriented polymer fibers.5. The method of claim 1 , where applying the PTFE additive to the partially oriented yarn further comprises:applying the PTFE additive to the POY during one or more of a texturing process and a spinning/twisting process of the one or more finishing processes.6. The method of claim 5 , where applying the PTFE additive to the partially oriented yarn further comprises:applying the PTFE additive to the ...

METHOD FOR MANUFACTURING HEAT RESISTANT SPUN YARN AND HEAT RESISTANT SPUN YARN MANUFACTURED THEREBY

Disclosed is a method for manufacturing a heat resistant spun yarn having improved elasticity even through low temperature heat treatment as compared to a known technology. 1. A method for manufacturing a heat resistant spun yarn having improved elasticity , comprising:a single yarn manufacturing process of twisting a heat resistant fiber in a first direction with a twist number in a predetermined range;a first heat setting process of applying heat at a first temperature in a predetermined range to a single yarn manufactured according to the single yarn manufacturing process;a ply yarn manufacturing process of combining at least two single yarns subjected to the first heat setting process and twisting the single yarns in the first direction with a first twist number in a predetermined range;a second heat setting process of applying heat at a second temperature in a predetermined range to a ply yarn manufactured according to the ply yarn manufacturing process;a reverse twisting process of twisting the ply yarn subjected to the second heat setting process in a second direction that is contrary to the first direction with a second twist number in a predetermined range; anda third heat setting process of applying heat at a third temperature in a predetermined range to the ply yarn subjected to the reverse twisting process.2. The method of claim 1 , further comprising:a re-twisting process of twisting the ply yarn subjected to the third heat setting process in the first direction with a third twist number in a predetermined range.3. The method of claim 2 , wherein the second twist number is larger than a sum total of the first twist number and the third twist number.4. The method of claim 3 , wherein the second temperature is higher than the first temperature and the third temperature.5. The method of claim 3 , wherein the heat resistant fiber is a blend fiber including a first heat resistant fiber and a second heat resistant fiber.6. The method of claim 3 , wherein the ...

Oxidation furnace

An oxidation furnace for the oxidative treatment of fibers having a housing which is gas-tight, apart from passage areas for the fibers, and a process chamber located in the interior of the housing. A hot working atmosphere can be generated by an atmosphere-generating device, can be blown into the process chamber and flows through the process chamber in processing conditions in a main direction of flow. Deflecting rollers guide the fibers through the process chamber in a serpentine manner in such a way that the fibers lie next to one another as a fiber carpet ( 22 a ), wherein the fiber carpet spans a plane between opposite deflecting rollers. A flow measuring system is provided, by means of which a flow profile of the working atmosphere in processing conditions can be generated, and which comprises at least one sensor system for determining the speed of flow, the sensor system being arranged in a sensor region between two adjacent fiber carpets.

DEVICE FOR SHAPING A THREAD-LIKE MATERIAL

A device for shaping at least one thread-like material (), which is formed in a forming unit and is deposited on a transporting device () for the subsequent thermosetting process, wherein a retaining means () and a drivable, curved depositing tube () are arranged one after the other in the thread transporting direction. 11641415225. Device for shaping at least one thread-like material () , which is formed in a forming unit and is deposited on a transporting device () for the subsequent thermosetting process , characterised in that a retaining means ( , , , ) and a drivable , curved depositing tube () are arranged one after the other in the thread transporting direction.212. Device according to claim 1 , characterised in that a switching element () is present at the workstation to select the alternative operating positions to produce straight set or frieze yarn.3. Device according to claim 1 , characterised in that a central adjusting mechanism is present to select the alternative operating positions.441415. Device according to claim 1 , characterised in that the retaining means is configured as at least one pivotable retaining flap ( claim 1 , claim 1 , ).5225. Device according to claim 1 , characterised in that the retaining means is configured as a side wall () of the depositing tube ().641415. Device according to claim 4 , characterised in that the at least one retaining flap ( claim 4 , claim 4 , ) can alternatively be operated as a frieze mechanism or can be locked in a position pivoted back from the thread path.756. Device according to claim 1 , characterised in that the depositing tube () is alternatively driven or is fixed in an angular position allowing the depositing of the thread material on the transporting device ().85. Device according to claim 7 , characterised in that the depositing tube () can be rotatably driven.95. Device according to claim 7 , characterised in that the depositing tube () can be driven in an oscillating manner.10414155. Device ...

METHOD AND DEVICE FOR CONTINUOUSLY PROCESSING A THREAD-LIKE MATERIAL

A method for continuously processing a thread-like material with a plurality of method steps and a device for carrying out the method, wherein a feed mechanism (), a treating () and depositing device (), a transporting device (), a thermosetting mechanism () and a length compensating mechanism () are arranged in a common closed system () and the closed system () differs from the surroundings in its interior by at least one first physical property and sub-systems () that are shielded from one another are present within the system () for the various method steps, to which sub-systems supply mechanisms () are connected, which produce at least partially different temperatures in the sub-systems () as the second physical property. 11110353614321375. Method for continuously processing a thread-like material () with a plurality of method steps , characterised in that the thread-like material () is deposited by means of a feed mechanism () and a treating () and depositing device () on a transporting mechanism () to pass a thermosetting mechanism () and in that after the thermosetting , the thread-like material () runs through a length compensating mechanism () to ensure a uniform further processing , the different method steps being carried out in a closed system () , which differs in its interior with respect to at least one first physical property from the surroundings and in that at least two method steps in turn differ from one another with respect to a second physical property.25. Method according to claim 1 , characterised in that the closed system () differs from the surroundings in its interior owing to substantially the same pressure.3. Method according to claim 1 , characterised in that the second physical property is the temperature.4103536143237553132333536375252627313233353637. Device for carrying out the method according to claim 1 , characterised in that a feed mechanism () claim 1 , a treating () and depositing device () claim 1 , a transporting device () ...

Apparatus for Stretching Acrylic Fibres Tows in a Pressurised Steam Environment

A stretching apparatus of fibre tows in a pressurized steam environment comprises a plurality of stretching chests () and associated supporting structures () arranged side by side, at the same level, on a holding frame. The stretching chests () are each formed by two opposed metallic half-chests (), delimiting a stretching chamber (). The stretching chamber () has a generally rectangular section of a low height and opens outwards in correspondence of the two transversal edges of the stretching chest () through tow entry and exit openings. Inside the stretching chambers () the tows are treated with saturated or overheated steam at high temperature and pressure and simultaneously undergo a mechanical stretching operation. 1221111113461111346112151111b,tb,tb,ttb) Stretching apparatus of fibre tows in a pressurized steam environment , of the type comprising at least a stretching chamber () having a generally rectangular section of a low height , within which the tows are treated with saturated or overheated steam at high temperature and pressure and simultaneously undergo a mechanical stretching operation , said stretching chamber () being formed within a metallic stretching chest () consisting of two opposite , mutually facing half-chests () and being open outwards in correspondence of the two transversal edges of the stretching chest () through tow entry and exit openings , said half chests () being free to expand in the directions of the length within surrounding , rigid and pressure-resistant supporting structures ( , , ) which univocally define the position of said stretching half-chests () in the direction of the height of the same and being mutually mobile for causing the opening of the stretching chest () for the insertion of the tows to be processed , characterized in that it comprises a plurality of stretching chests () and relative supporting structures ( , , ) , arranged side by side , on one or more planes , on a support frame , and in that each stretching ...

SEALING HEAD FOR MACHINES FOR HEAT TREATING THREADS

The present invention relates to a sealing head for machines for heat treating threads, comprising a frame fixed to a pressurized chamber through which a conveyor belt passes, a pair of horizontal rollers placed on top of each other and pressed against the opposite faces of the conveyor belt and of seals to form a sealed closure between the rollers and the frame, at least one of the horizontal rollers and the seals being connected to the corresponding movement actuators. Sealing head characterized in that the actuators of the horizontal roller or rollers and the seals between the rollers and the frame are in the form of pneumatic actuators without pistons, namely of the balloon or bellows type. 1. A control process for a heat treatment machine for heat treating threads , the heat treatment machine comprising sealing heads provided with balloon or bellows type actuators without pistons that move the heat treatment machine between an open position and a closed position , the control process comprising:positioning an upper horizontal sealing roller and a lower horizontal sealing roller with respect to opposite faces of a conveyor belt;aligning the horizontal sealing rollers with a first set of seals;actuating a first set of the balloon or bellows type actuators to place the upper and lower horizontal sealing rollers under pressure against the opposite faces of the conveyor belt;actuating a second set of the balloon or bellows type actuators to apply thin sealing sheets of the first set of seals, under pressure, to the upper and lower horizontal sealing rollers;actuating a third set of the balloon or bellows type actuators to apply a second set of seals, under pressure, against ends of the upper and lower horizontal sealing rollers;pressurizing a treatment chamber by closing a plurality of drain valves associated with the first, second, and third sets of balloon or bellows type actuators while simultaneously opening a plurality of regulatory valves that control the ...

FUGITIVE FIBER COMMINGLING TO PROVIDE LOFT IN CERAMIC FIBER TOWS

A method of making a ceramic fiber tow and the system regarding the same may be included. The method may include commingling a plurality of ceramic fibers with a fugitive fiber to form a single ceramic fiber tow. The fugitive fiber may be positioned between at least two ceramic fibers included in the single ceramic fiber tow. The method may further include forming a porous ceramic preform including at least the single ceramic fiber tow. The method may further include removing the fugitive fiber from the ceramic fiber tow leaving a space between at least two ceramic fibers of the single ceramic fiber tow. The method may further include replacing the spaces between ceramic fibers included in the ceramic fiber tows with a ceramic matrix. 1. A method comprising:commingling a plurality of ceramic fibers with a fugitive fiber to form a ceramic fiber tow, the fugitive fiber positioned between at least two ceramic fibers of the ceramic fiber tow;forming a porous ceramic preform comprising at least the ceramic fiber tow; andremoving the fugitive fiber from the ceramic fiber tow leaving a space between the at least two ceramic fibers of the ceramic fiber tow.2. The method of claim 1 , further comprising removing a native polymer from the ceramic fibers.3. The method of claim 2 , wherein removing the native polymer from the ceramic fibers comprises thermally decomposing the native polymer.4. The method of claim 2 , wherein removing the native polymer from the ceramic fibers comprises dissolving the native polymer.5. The method of claim 1 , wherein commingling the ceramic fibers with the fugitive fiber comprises rolling the ceramic fibers and the fugitive fiber through a series of rollers.6. The method of claim 1 , wherein commingling the plurality of ceramic fibers with the fugitive fiber is carried out with a ratio of ceramic fibers to fugitive fiber is between 1:0.05 and 1:2 by volume.7. The method of claim 1 , wherein the commingling the ceramic fibers with the fugitive ...

METHOD FOR MANUFACTURING FIBER REINFORCED RESIN MATERIAL AND APPARATUS FOR MANUFACTURING FIBER REINFORCED RESIN MATERIAL

The present invention provides a method for manufacturing a fiber reinforced resin material, the method including an opening step of opening an elongated fiber bundle to be widened in a width direction thereof to be put into a flat state; and a heat setting step of heat-setting the opened fiber bundle in the flat state by heating. In addition, the present invention provides an apparatus for manufacturing a fiber reinforced resin material containing a plurality of fiber bundles and a resin, the apparatus including an opening section that opens an elongated fiber bundle to be widened in a width direction thereof to be put into a flat state; and a heat setting section that heat-sets the opened fiber bundle in the flat state by heating. 114-. (canceled)15: A method for manufacturing an intermediate product , the method comprising:opening a continuous carbon fiber bundle comprising a sizing agent to be widened in a width direction thereof; andheat-setting the opened continuous carbon fiber bundle for recovering a shape-retaining property thereof which is degraded in the opening.16: The method according to claim 15 , further comprising:separating the heat set opened continuous carbon fiber bundle to be divided in a width direction thereof after the heat-setting.17: The method according to claim 16 , further comprising:separating the opened continuous carbon fiber bundle to be divided in a width direction thereof before the heat-setting.18: The method according to claim 17 , wherein the opening claim 17 , separating claim 17 , and heat-setting are carried out in an apparatus that directly separates the opened continuous carbon fiber bundle after the opening claim 17 , and directly heat sets the opened continuous carbon fiber bundle after the separating.19: The method according to claim 15 , wherein the opened continuous carbon fiber bundle is not imparted with any sizing agent between the opening and the heat-setting. The present application is a continuation application ...

COOLING DRUM FOR COOLING A THREAD PLUG

The invention relates to a cooling drum for cooling a thread plug in texturing process. The cooling drum comprises a drivable cooling jacket, on the circumference of which at least one air-permeable guide track is designed for guiding the thread plug. A suction chamber is provided in the interior of the cooling jacket, which chamber is connected via a suction connection to a vacuum source. In this way, a stationary shielding means is provided, which is arranged between the cooling jacket and the suction chamber. In order to produce a suction flow which is as targeted as possible and affected by little loss, according to the invention, the shielding means is formed by a closed sealing jacket which is placed substantially coaxially spaced apart with the cooling jacket and has an air slot in the region of the guide track. 112-. (canceled)13. Cooling drum for cooling a thread plug in a texturing process , the cooling drum comprising:{'b': '1', 'a drivable cooling jacket (),'}{'b': 2', '1, 'at least one air-permeable guide track () for guiding the thread plug being configured on the circumference of said cooling jacket (),'}{'b': 11', '1', '9', '10', '11', '1, 'a suction chamber () that is configured in the interior of the cooling jacket () and that is connected to a suction connector () and to a stationary shielding means () which shields the suction chamber () from the cooling jacket (),'} [{'b': 10', '10', '1', '1, 'the shielding means () is formed by a closed sealing jacket (.) which is assigned to the cooling jacket () at a spacing therefrom so as to be substantially coaxial with the latter, and'}, {'b': 10', '1', '2', '15, 'the sealing jacket (.) in the region of the guide track () has an air slot ().'}], 'wherein1415101. Cooling drum as claimed in claim 13 , wherein the air slot () extends over a part-circumference of the sealing jacket (.).1515101. Cooling drum as claimed in claim 13 , wherein the air slot () is configured in a helical manner on the circumference ...

OXIDATION FURNACE

An oxidation furnace for the oxidative treatment of fibers, in particular for producing carbon fibers, the furnace having a housing with an inner space which is gas-tight apart from areas for the passage of the fibers. A process chamber is located in the inner space of the housing. Guide rollers guide the fibers arranged adjacently as a fiber carpet in a serpentine manner through the process chamber, the fiber carpet spanning respective planes between opposite guide rollers, a partial area of the inner space being defined both above and below said planes. The process chamber extends between a primary blowing device arranged on a blowing end of the housing and a primary suction device, where a primary gas is blown into a partial area by the primary blowing device in such a way that the process gas flows through the process area in a process flow direction. A secondary gas can be blown into the partial area by a secondary blowing device, on the side of the primary blowing device located at a distance from the process chamber, using a flow sealing device. 1. An oxidation furnace for the oxidative treatment of fibers , comprising:a) a housing having an interior space which is gastight apart from regions for the passage of fibers;b) a process space located in the interior space of the housing;c) deflection rollers which guide the fibers as fiber carpet next to one another in a serpentine manner through the process space, where the fiber carpet in each case spans a plane between opposite deflection rollers and a subspace of the interior space is in each case defined above and below these planes; 'wherein', 'd) a primary blowing-in device arranged at a blowing-in end of the housing and a primary suction device between which the process space extends, where a primary gas can be blown by means of the primary blowing-in device into a subspace in such a way that the process gas flows in a process flow direction through the process space;'}e) a flow sealing device by means of ...

BUFFER METHOD AND SYSTEM FOR ALTERNATING TWIST PLIED YARN

The present invention relates to an improved system and method for the production of heatset yarns, in particular for the production of heatset alternating S/Z cabled yarns. The invention also relates to the product obtained according to the method, namely an improved heatset twist plied yarn. 1. A system for manufacturing heatset twist plied yarns , comprising:at least one twist plying device configured to twist plying at least two incoming yarns;at least one accumulation device configured to receive, accumulate and forward the twist plied yarns from the at least one twist plying device, the accumulation system configured to temporary accumulate the twist plied yarns; andat least one heatsetting device configured to receive and heatset the twist plied yarns of the at least one accumulation device to manufacture at least one heatset twist plied yarn;wherein at least one twist plying device is configured to operate uninterruptedly, the heatsetting device configured to operate intermittently and periods of operation of the heatsetting device being alternated with periods of stopping the heatsetting device, and whereby the accumulation device is configured to temporarily retain the accumulated twist plied yarns when stopping the heatsetting device.2. The system for manufacturing heatset twist plied yarns according to claim 1 , wherein the twist plying device is configured to match the speed of manufacturing the twist plied yarns to the amount of accumulated yarn on the accumulation device.3. A system for manufacturing heatset twist plied yarns according to claim 1 , wherein the at least one twist plying device is configured to automatically adjust the speed of manufacturing the twist plied yarns to whether or not the heatsetting device is operating.4. The system for manufacturing heatset twist plied yarns according to claim 1 , wherein the speed of manufacturing the twist plied yarns is automatically reduced within a predetermined period of time after the heatsetting ...

Apparatus For Manufacturing Ultrafine Fiber And Method For Manufacturing Ultrafine Fiber

The apparatus for producing ultrafine fibers includes a nozzle portion, a laser irradiation unit, and a drawing chamber. The nozzle portion has an inlet for feeding a raw fiber, a first jet outlet which communicates with the inlet and jets a first drawing gas stream for delivering and drawing the raw fiber, and a second jet outlet which is arranged in the periphery of the first jet outlet and jets a second drawing gas stream. The laser irradiation unit on which the nozzle portion is installed irradiates a laser light to the raw fiber delivered from first jet outlet to melt the raw fiber. The drawing chamber draws the melted raw fiber by using the first drawing gas stream and the second drawing gas stream which are jetted from the nozzle portion. 1. An apparatus for producing ultrafine fibers , comprising:a nozzle portion having an inlet for feeding a raw fiber, a first jet outlet which communicates with the inlet and which jets a first drawing gas stream for delivering and drawing the raw fiber, and a second jet outlet which is arranged in a periphery of the first jet outlet and which jets a second drawing gas stream;a laser irradiation unit which is installed on the nozzle portion to irradiate laser light to the raw fiber delivered from the first jet outlet and melt the raw fiber; anda drawing chamber for drawing the melted raw fiber by using the first drawing gas stream and the second drawing gas stream which are jetted from the nozzle portion.2. The apparatus for producing ultrafine fibers according to claim 1 , wherein the second drawing gas stream has a slower flow speed than the first drawing gas stream.3. The apparatus for producing ultrafine fibers according to claim 1 , wherein the first and the second drawing gas streams are generated by a pressure difference between inside and outside of the drawing chamber.4. The apparatus for producing ultrafine fibers according to claim 1 , further comprising a speed adjustment mechanism for controlling a flow speed of ...

FIBERGLASS MATERIAL MANUFACTURE METHOD COMPRISING STEPS OF SIZING AND DESIZING, AND FACILITY SUITABLE FOR IMPLEMENTING SAID METHOD

The invention relates to a fiberglass material manufacture method and facility, were in molten glass is converted into fiberglass material via the steps of spinning, drawing, sizing, and collecting, followed by a step of producing a resulting fiberglass material that is then subjected to thermal desizing. The fumes from the melting furnace are used to preheat a combustion reagent from the melting furnace in two steps: a first step in which air is heated via heat exchange with the fumes, and a second step in which the combustion reagent is preheated via heat exchange with the hot air, the air then being used in the step of desizing the fiberglass material. 114-. (canceled)15. A process for the manufacture of a glass fiber product in which molten glass is converted into a glass fiber , comprising the step of:{'b': 1000', '1600, 'the molten glass is produced in a melting furnace heated by combustion of a fuel with a rich oxidizer having an oxygen content of 80 vol % to 100 vol %, with generation of heat and flue gases, said generated flue gases being discharged from the melting furnace at a temperature between ° C. and ° C.;'}spinning the molten glass into at least one stream;attenuating the at least one stream into one or more filaments;sizing the filament or filaments;collecting the filament or filaments;producing the glass fiber product by means of the collected sized filament or filaments;thermal desizing of the glass fiber product;air is heated by heat exchange with discharged flue gases in a heat-exchange assembly with hot air being obtained;{'b': 200', '500, 'a reactant chosen from rich oxidizers and gaseous fuels is preheated by heat exchange with the hot air in the heat-exchange assembly with the production, on the one hand, of preheated reactant and, on the other hand, of moderated air at a temperature between ° C. and ° C., wherein the preheated reactant is used as combustion reactant in the melting furnace; and'}bringing the moderated air into contact with ...

Hybrid power transmission cord

The present application discloses a cord comprising a low modulus yarn core that is wrapped by a plurality of high modulus wrapping yarns.

BULKINESS RECOVERY APPARATUS AND BULKINESS RECOVERY METHOD FOR NONWOVEN FABRIC

There is provided a bulkiness recovery apparatus for nonwoven fabric, the apparatus being for recovering bulkiness of the nonwoven fabric by blowing hot air to heat the nonwoven fabric. The apparatus includes: a conveying section that conveys the nonwoven fabric along a conveying direction, the nonwoven fabric being continuous in the conveying direction; a heating section that heats the nonwoven fabric by blowing the hot air to the nonwoven fabric being conveyed; a width sensor that measures a widthwise dimension of the nonwoven fabric at a position downstream from the heating section in the conveying direction, and that outputs information concerning the widthwise dimension; and a controller that controls at least either one of the heating section and the conveying section based on the information that has been output from the width sensor. 1. A bulkiness recovery apparatus for nonwoven fabric , the apparatus being for recovering bulkiness of the nonwoven fabric by blowing hot air to heat the nonwoven fabric , the apparatus comprising: 'the nonwoven fabric being continuous in the conveying direction;', 'a conveying section that conveys the nonwoven fabric along a conveying direction,'}a heating section that heats the nonwoven fabric by blowing the hot air to the nonwoven fabric being conveyed; that measures a widthwise dimension of the nonwoven fabric at a position downstream from the heating section in the conveying direction and', 'that outputs information concerning the widthwise dimension; and, 'a width sensor'}a controller that controls at least either one of the heating section and the conveying section based on the information that has been output from the width sensor.2. A bulkiness recovery apparatus for nonwoven fabric according to claim 1 , whereinthe conveying section conveys the nonwoven fabric along a predetermined conveying path, 'the two driven rollers being driven and rotated for conveying the nonwoven fabric, and', 'the conveying section includes ...

ROLLER

A roller guides and processes synthetic strand material. The roller includes a drivable roller shell. The roller shell has, on a projecting free end thereof, a cover which is effective relative to the surroundings. In order to secure the end of the roller shell relative to an operating side, the cover is freely rotatably connected to the roller shell. 1. Roller for guiding and treating synthetic strand materials , having a drivable roller shell , which has , on a projecting free front end thereof , a cover which is effective with respect to a surrounding environment , wherein the cover is connected to the roller shell in a freely rotatable manner.2. Roller as claimed in claim 1 , wherein at the front end a cover carrier is provided between the roller shell and the cover claim 1 , which cover carrier is fixedly connected to the roller shell and rotatably holds the cover.3. Roller as claimed in claim 2 , wherein the cover carrier has a central bearing bore claim 2 , in which a bearing journal is rotatably held claim 2 , and in that the cover is fixedly connected to the bearing journal.4. Roller as claimed in claim 3 , wherein the bearing journal is mounted in the cover carrier by one or more rolling bearings.5. Roller as claimed in claim 4 , wherein the roller shell is assigned a heating means on the inside claim 4 , and in that the cover at the front end is assigned a thermal insulation on an inner side or outer side.6. Roller as claimed in claim 4 , wherein the cover is formed from an inner cover and an outer cover claim 4 , wherein the inner cover and the outer cover encase a thermal insulation.7. Roller as claimed in claim 6 , wherein the thermal insulation is formed by a plurality of air chambers claim 6 , wherein the air chambers are uniformly distributed within the cover.8. Roller as claimed in claim 7 , wherein the air chambers are formed by circumferential grooves on a front end face of the inner cover claim 7 , which front end face is opposite a closed front ...

STABILIZATION OF SLIT ABSORBENT FABRIC EDGES

Disclosed are the cut edges of an absorbent fabric comprising at least 45% and less than about 90% cellulosic or natural fibers, and a fusible component being stabilized by fusing the fusible component with an arrangement of spaced lines or spaced areas extending from the cut edges, and optionally over the entire absorbent fabric. 1. A process for stabilizing the cut edges of an absorbent fabric containing at least about 45% , preferably at least about 55% , preferably at least about 70% and less than about 90% cellulosic or natural component , and a fusible component present or added at least within a margin along the cut edges , comprising the steps ofintermittently fusing said margin by applying heat and pressure to said margin to melt the fusible component in discrete fused areas extending at least along, across or at angle to the cut edges, andmaintaining free areas between the discrete fused areas substantially free of fusing,wherein the fused areas transition in a sloping and progressively less fused periphery toward the free areas,wherein said margin optionally extend over substantially the entire surface of the fabric,wherein the discrete fused areas comprise less than about 33%, preferably less than about 30%, preferably less than about 25%, preferably less than about 20% of said margin,wherein the free areas comprise at least about 50%, preferably at least about 75% of their original thickness, andwherein the fabric maintains greater than 50%, preferably at least about 75%, preferably at least about 90% of its overall original thickness.21. The process of claim 1 , wherein the fused areas protrude through an opposite surface to create a three-dimensional effect in said margin.2. The process of wherein the fusible component comprises a pattern of stitch-bonded yarns entering and exiting the fabric with a repeating pattern having a first directional frequency and a second cross-directional frequency claim 1 , and wherein a pattern of the discrete fused ...

APPARATUS FOR PROCESSING YARNS

An apparatus for processing yarns includes a first roller set for extending yarn bean; a node generator installed after the first roller set for forming node section of the yarn beam; a first cleaning chamber installed after the node generator for cleaning the yarn beams; a material chamber for adding additive to the yarn beam; a second roller set installed after the material chamber for extending the yarn beam; a first heating chamber installed after the second roller set for thermally setting additives to the yarn beam so that the additives are firmly secured to the yarn of the yarn beam; a third roller set installed after the heating chamber for controlling the heating time of the yarn beam in the first heating chamber; and a fourth roller set installed after the third roller set for winding the yarn beam to a desired shape. 1. An apparatus for processing yarns , comprising:a first roller set for extending yarn bean;a node generator installed after the first roller set for forming node section of the yarn beam;a first cleaning chamber installed after the node generator for cleaning the yarn beams;a material chamber for adding additive to the yarn beam;a second roller set installed after the material chamber for extending the yarn beam;a first heating chamber installed after the second roller set for thermally setting additives to the yarn beam so that the additives are firmly secured to the yarn of the yarn beam;a third roller set installed after the heating chamber for controlling the heating time of the yarn beam in the first heating chamber; anda fourth roller set installed after the third roller set for winding the yarn beam to a desired shape.2. The apparatus for processing yarns as claimed in claim 1 , wherein the yarns in the yarn beam is one of polyester false twisting yarns claim 1 , polyester nylons yarns claim 1 , polyester nylon short fibers claim 1 , polyester and cotton mixing yarns.3. The apparatus for processing yarns as claimed in claim 1 , ...

Tension Compensator

The current invention concerns an improved system and method for the manufacturing of alternating S/Z cabled yarn () or connected alternating S/Z twist plied yarns, in which tension decrease or increase is avoided by variable longitudinal contraction when twist plying or overtwisting yarns. This longitudinal contraction is very difficult to predict and leads to tension in the yarns, which can affect the quality. This tension can also be reproduced in the installations. This invention tries to improve this by providing a tension compensator () that (partially) compensates the tensions and forces between different, subsequent forces for processing yarns. 125-. (canceled)27. System in accordance with claim 26 , characterized by the fact that between the cabling installation and each of the twist plying installations a force compensation member is provided claim 26 , and in which the separate force compensation members are suitable for applying a variable compensation for at least a part of the tractive forces on the separate alternating S/Z twist plied yarns between the cabling installation and the twist plying installations.28. System according to claim 26 , in which the force compensation member is an electric force compensation member or a pneumatic force compensation member.29. System according to claim 26 , in which the force compensation member is an active force compensation member claim 26 , in which the active force compensation member takes into account or does not take into account time-related periodical aspects in the system; or in which the force compensation member is a passive force compensation member.30. System according to claim 26 , characterized by the fact that the force compensation member is adapted to maintain the tractive force on the alternating S/Z twist plied yarns essentially constant.31. System according to claim 26 , characterized by the fact that the force compensation member is adapted to compensate variations claim 26 , preferably ...

METHOD FOR MANUFACTURING OXIDIZED FIBER BUNDLE, METHOD FOR MANUFACTURING CARBON FIBER BUNDLE, AND JOINING APPARATUS

A manufacturing method and an apparatus enable high productivity. A method for manufacturing an oxidized fiber bundle includes joining an upstream precursor fiber bundle and a downstream precursor fiber bundle together with a joining fiber bundle, and oxidizing the joined precursor fiber bundles by feeding the joined precursor fiber bundles through an oxidization furnace. The joining includes applying an oiling agent to a joint area of a joining target precursor fiber bundle before joining the joining target precursor fiber bundle and the joining fiber bundle together. A quantity of the oiling agent adhering to the joint area is 0.15 to 0.85 wt %. 1. A method for manufacturing an oxidized fiber bundle , the method comprising:joining an upstream precursor fiber bundle and a downstream precursor fiber bundle together with a joining fiber bundle; andoxidizing the joined precursor fiber bundles by feeding the joined precursor fiber bundles through an oxidization furnace,wherein the joining includes applying an oiling agent to a joint area of a joining target precursor fiber bundle before joining the joining target precursor fiber bundle and the joining fiber bundle together, and a quantity of the oiling agent adhering to the joint area is 0.15 to 0.85 wt %.2. A method for manufacturing a carbon fiber bundle , the method comprising:joining an upstream precursor fiber bundle and a downstream precursor fiber bundle together with a joining fiber bundle;oxidizing the joined precursor fiber bundles by feeding the joined precursor fiber bundles through an oxidization furnace; andcarbonizing the oxidized precursor fiber bundles,wherein the joining includes applying an oiling agent to a joint area of a joining target precursor fiber bundle before joining the joining target precursor fiber bundle and the joining fiber bundle together, and a quantity of the oiling agent adhering to the joint area is 0.15 to 0.85 wt %.3. The method according to claim 2 , further comprising:heat- ...

GRAPHENE CONJUGATE FIBER AND METHOD FOR MANUFACTURING SAME

The present invention relates to a graphene conjugate fiber and a method for manufacturing same, and more particularly, to a conjugate fiber including graphene and a polymer, wherein a wrinkled structure of the graphene is maintained in a fiber state. The graphene conjugate fiber manufactured thereby has superior mechanical properties, is flexible, and has high utility by being manufactured as a fiber. 1. A method for producing a graphene composite fiber , the method comprising:a) dispersing graphene and a surfactant in a solvent to prepare a dispersion,b) spinning the dispersion into a coagulation bath containing polymer solution to form a graphene-gel fiber, andc) drying the graphene-gel fiber to produce the graphene composite fiber.2. The method according to claim 1 , further comprising d) annealing the graphene composite fiber obtained in c) at a temperature of 140 to 160 ° C.3. The method according to claim 1 , further comprising d′) dipping the graphene composite fiber obtained in c) in methanol or acetone to improve the degree of crystallization of the graphene composite fiber.4. The method according to claim 1 , wherein the graphene is chemically reduced graphene.5. The method according to claim 1 , wherein the graphene is chemically reduced graphene with acid functional groups.6. The method according to claim 5 , wherein the chemically reduced graphene is prepared by reducing an aqueous dispersion of graphene with hydrazine at 90 to 100° C. for 1 to 24 hours.7. The method according to claim 1 , wherein the surfactant is selected from sodium dodecyl benzene sulfonate (SDBS) claim 1 , sodium dodecyl sulfonate (SDS) claim 1 , Triton X-100 claim 1 , and cetyltrimethylammonium bromide (CTAB).8. The method according to claim 1 , wherein the solvent is water.9. The method according to claim 1 , wherein claim 1 , in the coagulation bath claim 1 , the polymer from the polymer solution is incorporated into the spun dispersion to form the graphene-gel fiber in which ...

Horizontal Heat Treatment Device

A horizontal heat treatment device continuously subjects an untreated continuous flat object to heat treatment while horizontally transferring the untreated object within a heat treatment chamber. Seal chambers are interconnected to the untreated-object loading opening and treated-object unloading opening of the heat treatment chamber. A passage is connected to an opening of each of the seal chambers, the opening located on the side opposite the heat treatment chamber. The untreated-object passage loading opening interconnected to the untreated-object seal chamber loading opening and the treated-object passage unloading opening interconnected to the treated-object seal chamber unloading opening are the untreated-object loading opening and treated-object unloading opening of the heat treatment device. A pair of gas ejection nozzles are provided at upper and lower positions of the passages. The nozzles eject gas in specific directions, and the nozzle openings have a specific shape, a direction, and a length.

METHOD OF DESIZING FIBER

A method of preparing a fiber for use in forming a ceramic matrix composite material comprises the steps of removing a polymer coating from an outer surface of glass or ceramic fibers by providing heated and humidified gas across the glass or ceramic fibers for a period of time. 1. A method of preparing a fiber for use in forming a ceramic matrix composite material comprising the steps of:removing a polymer coating from an outer surface of glass or ceramic fibers by providing heated and humidified gas across said glass or ceramic fibers for a period of time.2. The method as set forth in claim 1 , wherein said glass or ceramic fibers have a diameter of greater than or equal to 5 micron and less than or equal to 150 micron.3. The method as set forth in claim 2 , wherein said gas is heated to a temperature between 20 and 900° C.4. The method as set forth in claim 3 , wherein said gas is heated to between 300 and 500° C.5. The method as set forth in claim 4 , wherein said gas is air.6. The method as set forth in claim 4 , wherein said glass or ceramic fibers include bundled fibers provided with polymer coating on the outer surface.7. The method as set forth in claim 6 , wherein said bundled fibers are provided with a subsequent interface coating after having the polymer coating removed.8. The method as set forth in claim 7 , wherein said subsequent interface coating is provided by a chemical vapor deposition process.9. The method as set forth in claim 7 , wherein said subsequent interface coating includes at least one inner layer and an outer layer.10. The method as set forth in claim 9 , wherein said at least one inner layer of the interface coating is boron nitride.11. The method as set forth in claim 9 , wherein said outer layer of the interface coating is one of silicon nitride claim 9 , silicon carbide claim 9 , boron carbide claim 9 , carbon claim 9 , and combinations thereof.12. The method as set forth in claim 1 , wherein the glass or ceramic fibers are woven ...

CONTINUOUS HEAT SET MACHINE AND SEALING HEAD FOR A CONTINUOUS HEAT SET MACHINE

A continuous process heat set tunnel for exerting a sealing force against a top sealing roll, a yarn-transporting conveyor and a bottom sealing roll. At least first and second top pneumatic lamella sealing cylinders are mounted on the sealing roll frame for exerting against the top lamella a sealing force against the roll surface of the top sealing roll, and at least first and second bottom pneumatic lamella sealing cylinders are mounted on the sealing roll frame for exerting against the bottom lamella a sealing force against the roll surface of the bottom sealing roll. 1. A continuous process heat set tunnel for setting yam , comprising:(a) a heat set tunnel adapted to extend longitudinally along a supporting floor surface and including an entrance end and an entrance sealing roll assembly and an exit end and an exit sealing roll assembly;(b) an interconnected entrance cooling section, yam steaming chamber and exit and cooling section positioned intermediate the entrance sealing roll assembly and the exit sealing roll assembly;(c) an endless conveyor belt adapted to transport yam into, through and out of the heat set tunnel; (1) a sealing roll frame for being mounted in heat-sealing relation adjacent the end opening;', '(2) a bottom sealing roll mounted for rotation in the sealing roll frame;', '(3) a top sealing roll mounted for rotation in the sealing roll frame and above the bottom sealing roll in roll surface contact with the bottom sealing roll along respective laterally-extending roll widths and defining a nip between which a yarn-transporting conveyor is adapted to pass;', '(4) the top sealing roll and the bottom sealing roll interconnected in a respective driving and driven configuration relative to each other;', '(5) a prime mover assembly adapted to provide rotation to the driving one of the top sealing roll and the bottom sealing roll for passing the conveyor through the nip;', '(6) a top lamella engaging the top sealing roll along its width to prevent ...

Method of producing liquid crystal polyester fibers

A method of producing a liquid crystalline polyester fiber includes subjecting a yarn prepared by melt spinning a liquid crystalline polyester to a solid-phase polymerization after applying inorganic particles (A) and a phosphate-based compound (B) to the yarn. The method can optionally include cleaning the liquid crystalline polyester fiber after the solid-phase polymerization.

PROCESS OF MAKING TEXTURED MULTICOMPONENT FIBERS

A process for texturing a multicomponent fiber is provided. The process comprises: (A) providing a multicomponent fiber having a shaped cross section and at least one water dispersible polymer; and a plurality of domains comprising one or more water non-dispersible polymers, wherein said domains are substantially isolated from each other by said water dispersible polymer intervening between said domains; and wherein the water dispersible polymer is present at the perimeter of the outside cross-section of the multicomponent fiber in a proportion of no greater than 55% water dispersible polymer; and (B) passing the multicomponent fiber through a first zone comprising a first heating device and a twisting unit, wherein the first heating device has a heating temperature that is at least 10% less than the temperature used for a fiber without the water dispersible component having the same water non-dispersible polymer, same number of total filaments in the fiber, and the same total denier for a given type of equipment and process conditions. 1. A process for texturing a multicomponent fiber having a shaped cross section , the steps comprising:(A) providing a multicomponent fiber having a shaped cross section and at least one water dispersible polymer; and a plurality of domains comprising one or more water non-dispersible polymers, wherein said domains are substantially isolated from each other by said water dispersible polymer intervening between said domains; and wherein the water dispersible polymer is present at the perimeter of the outside cross-section of the multicomponent fiber in a proportion of no greater than 55% water dispersible polymer; and(B) passing the multicomponent fiber through a first zone comprising a first heating device and a twisting unit, wherein the first heating device has a heating temperature that is at least 10% less than the temperature used for a fiber without the water dispersible component having the same water non-dispersible polymer, ...

Incandescent tension annealing processes for strong, twist-stable carbon nanotube yarns and muscles

The described incandescent tension annealing processes involve thermally annealing twisted or coiled carbon nanotube (CNT) yarns at high-temperatures (1000° C. to 3000° C.) while these yarns are under tensile loads. These processes can be used for increasing yarn modulus and strength and for stabilizing both twisted and coiled CNT yarns with respect to unwanted irreversible untwist, thereby avoiding the need to tether torsional and tensile artificial muscles, and increasing the mechanical loads that can be moved by these muscles.

PROCESS FOR THE MANUFACTURE OF POLYETHERKETONEKETONE FIBER

A process for manufacturing a fiber including polyetherketoneketone including the steps of: mixing polyetherketoneketone and sulfuric acid having a concentration of at least 90 wt % to obtain a spin dope and passing the spin dope through a spinneret into a coagulation bath, wherein the polyetherketoneketone is dissolved in the sulfuric acid to a concentration of 12 to 22 wt %. Also disclosed are fibers obtainable by the process and polyetherketoneketone fibers having a sulfur content of 0.001 to 5 wt %, based on the weight of the fiber, in particular such fibers having low or high crystallinity, as well as, hybrid yarns and composite materials. 1. A process for manufacturing a fiber comprising polyetherketoneketone comprising the steps of:mixing polyetherketoneketone and sulfuric acid having a concentration of at least 90 wt % to obtain a spin dope and passing the spin dope through a spinneret into a coagulation bath, wherein the polyetherketoneketone is dissolved in the sulfuric acid to a concentration of 12 to 22 wt %.2. The process according to claim 1 , wherein the polyetherketoneketone comprises repeating units represented by Formula I and Formula II:{'br': None, '-A-C(═O)—B—C(═O)—\u2003\u2003I'}{'br': None, '-A-C(═O)-D-C(═O)—\u2003\u2003II,'}where A is a -Ph-O-Ph- group, where Ph is a phenylene radical, B is 1,4-phenylene and D is 1,3-phenylene and wherein the ratio of repeating units represented by Formula I:Formula II is 100:0 to 0:100.3. The process according to claim 1 , wherein the polyetherketoneketone has a melting temperature Twhich is at least 295° C.4. The process according to further comprising heating the fiber in at least one heating step to a temperature in the range of 150 to 290° C.5. The process according to claim 4 , wherein during heating step claim 4 , a tension is applied which results in a drawing ratio of 1.5 to 10.6. The process according to claim 4 , wherein the fiber is heated in a second heating step to a temperature in the range of ...

INCORPORATION OF CHIP ELEMENTS IN A CORE YARN

A fabrication method of a sheathed yarn includes the following steps: making a core run axially through a sheathing area; winding a sheathing fibre around the core in the sheathing area; and presenting a microelectronic chip fixed onto the core in the sheathing area. A polymer material is present between the microelectronic chip and the core when the sheathing step is performed. The polymer material creeps during the sheathing step to form a protective coating. 113-. (canceled)14. Fabrication method of a sheathed yarn , comprising the following steps:providing a core and at least one microelectronic chip associated with sections of yarn;providing a polymer material comprises fillers;placing the at least one microelectronic chip and the sections of the yarn in contact with the core;winding at least one sheathing fibre around the at least one microelectronic chip, the sections of yarn and the core in at least one sheathing area to form the sheathed yarn;wherein a polymer material is present between the core and the at least one microelectronic chip before the sheathing fibre is wound around the at least one microelectronic chip and the core;wherein the sheathing fibre is wound around the at least one microelectronic chip and the core so as to force creepage of the polymer material through turns of the sheathing fibre to form a protective coating around the at least one microelectronic chip preventing moisture from reaching the at least one microelectronic chip.15. Method according to claim 14 , wherein the core is provided covered by the polymer material before placing the at least one microelectronic chip and the sections of the yarn in contact with the core.16. Method according to claim 15 , wherein the core is partially covered by the polymer material claim 15 , the covered areas defining receiving areas for the at least one microelectronic chip.17. Method according to claim 14 , wherein the at least one microelectronic chip is provided covered by the polymer ...

DEVICE AND METHOD FOR MANUFACTURING CRIMPED TEXTILE YARN AND COOLING DRUM FOR SUCH A DEVICE

A device and a method for manufacturing a synthetic yarn, in which at least two yarn plugs (), (), () are produced by texturing, are placed in a first zone (A) on the cooling surface () of a rotating cooling drum (), moved to a second zone (B) and form more than one winding (I),(II), in which the yarn plugs are kept in the second zone (B) by a gas stream (F) on the cooling surface (), and in which no gas stream or a less powerful gas stream is generated in an intermediate zone (C) in order to prevent the yarn plugs (), (), () from leaving the second zone (B). 1. A device for manufacturing crimped textile yarn , comprisinga texturing unit provided to produce at least two yarn plugs from synthetic material,a rotatable cooling drum with a cooling surface for cooling the yarn plugs supplied from the texturing unit, andgas stream generator provided to generate a gas stream to keep the yarn plugs on the cooling surface,wherein the device is configuredto place the supplied yarn plugs next to each other in a first zone of the cooling surface on the rotating cooling drum, so that they are carried along running alongside each other on the cooling surface,to move the yarn plugs running alongside each other laterally to a second zone of the cooling surface during their first turn on the cooling drum, so that the supplied yarn plugs are placed on the cooling surface at an intermediate distance from the yarn plugs running alongside each other which have been moved to the second zone, andto lead the yarn plugs away from the cooling drum for their further treatment after forming more than one winding of yarn plugs running alongside each other on the cooling drum.wherein the gas stream generator is configured to generate a gas stream in the second zone of the cooling surface, so that the yarn plugs in this second zone are kept on the cooling surface, and not to generate a gas stream in an intermediate zone of the cooling surface, situated between the first and the second zone, or to ...

CONTINUOUS METHOD FOR PRODUCING A THERMALLY STABILIZED MULTIFILAMENT THREAD, MULTIFILAMENT THREAD, AND FIBER

The invention relates to a method for thermally stabilizing melt-spun PAN precursors. For this purpose, the invention provides a continuous method for producing a thermally stabilized multifilament thread made of a meltable copolymer of polyacrylonitrile (PAN), wherein a pre-stabilized multifilament thread is thermally stabilized and in the process at least temporarily stretched. The invention additionally relates to a thermally stabilized multifilament thread which can be obtained according to a corresponding method and to a carbon fiber which is made of the correspondingly thermally stabilized multifilament thread. 121-. (canceled)22. A continuous method for the production of a thermally stabilised multifilament yarn made of a meltable copolymer of polyacrylonitrile (PAN) , in whicha prestabilised multifilament yarn or a non-prestabilised multifilament yarn is fed continuously,in the case of a non-prestabilised multifilament yarn, a prestabilisation and subsequently a neutralisation are implemented, and subsequentlythe prestabilised multifilament yarn is thermally stabilised at a temperature greater than 0° C., andstretching of the multifilament yarn is implemented, at least at times, during, before and/or after the thermal stabilisation.23. The method according to claim 22 , wherein the strength of the thermally stabilised multifilament yarn standardised to the filament diameter is at least 50 MPa.24. The method according to claim 22 , wherein the multifilament yarn is stretched by 10 to 300%.25. The method according to claim 22 , wherein the thermal stabilisation is implemented claim 22 , at least at times claim 22 , at temperatures of 50 to 400° C.26. The method according to claim 22 , wherein the thermal stabilisation is effected by feeding the multifilament yarn through at least one oven or at least two ovens connected subsequently.27. The method according to claim 22 , wherein the thermal stabilisation is implemented in two stages claim 22 , the ...

DEVICE AND METHOD FOR PRODUCING A MULTICOLOR YARN

A draw device into which at least two filaments are guided for producing a multi-coloured yarn from differently coloured filaments which consist of a plurality of endless filaments includes a pair of intake rollers for receiving the at least two filaments. Two pairs of drafting system rollers follow the intake rollers to draw the at least two filaments. A texturizing device comprising a texturizing nozzle with a cooling drum is disposed downstream of the two pairs of drafting system rollers to texturize the at least two filaments, wherein at least one yarn is formed from the filaments in the texturizing nozzle. At least one further nozzle is disposed exclusively upstream of the texturizing device in which each filament is separately interlaced. The filaments are drawn on at least one of the two pairs of drafting system rollers at a speed of at least 1,700 m/min. 1. A draw device into which at least two filaments are guided for producing a multi-coloured yarn from differently coloured filaments , which consist of a plurality of endless filaments , comprising:a pair of intake rollers for receiving the at least two filaments;two pairs of drafting system rollers following the intake rollers to draw the at least two filaments;a texturizing device comprising a texturizing nozzle with a cooling drum disposed downstream of the two pairs of drafting system rollers to texturize the at least two filaments, wherein at least one yarn is formed from the filaments in the texturizing nozzle; andat least one further nozzle disposed exclusively upstream of the texturizing device in which each filament is separately interlaced,wherein the filaments are drawn on at least one of the two pairs of drafting system rollers at a speed of at least 1,700 m/min.2. The device according to claim 1 , wherein the at least one further nozzle is disposed downstream of the second pair of drafting system rollers and upstream of the texturizing nozzle.3. The device according to claim 1 , wherein the at ...

Manufacture of spunbond from continuous filaments

An apparatus for making spunbonded nonwoven from continuous thermoplastic filaments has a spinneret for downwardly emitting the continuous filaments in a filament direction, a cooling chamber directly beneath the spinneret for receiving the filaments from the spinneret and cooling the spun filaments with cooling air and having relative to a longitudinally extending machine direction a pair of longitudinal sides extending parallel to the machine direction and a pair of transverse sides extending substantially perpendicular to the machine direction between the longitudinal sides. Respective air-supply manifolds on the transverse sides feed cooling air therefrom into the cooling chamber. The cooling air is extracted from the cooling chamber at the longitudinal sides. A stretcher directly beneath the cooling chamber receives and elongates the cooled filaments, and a device deposits the stretched filaments as a band and conveys the band off in the machine direction.

PROCESS FOR HEAT SETTING TWISTED, BULKED CONTINUOUS FILAMENT YARN

A multi-step process is disclosed for heat setting twisted, bulk continuous filament (BCF) yarn comprising the steps of developing crimp in the yarn under hot atmospheric air and heat setting the yarn by saturated steam treatment. 1. A multi-step process for heat setting twisted , bulk continuous filament (BCF) yarn comprising the steps of:a) developing crimp in the yarn under hot atmospheric air; andb) heat setting the yarn from step (a) by pressurized steam treatment.2. The process of wherein step (a) is performed under hot air at a temperature in the range from about 140° C. to about 210° C.3. The process of wherein step (b) is achieved with saturated steam at a temperature in the range from about 110° C. to about 130° C.4. The process of the yarn is treated in step (a) for a period of about 3 to about 7 seconds.5. The process of wherein the yarn is heat set in step (b) for a period of about 25 to about 60 seconds.6. The process of wherein the yarn is formed from a synthetic polymer selected from the group consisting of nylon claim 1 , polyester claim 1 , polyolefin and copolymers and blends thereof.7. The process of wherein the yarn is formed from nylon 6 claim 1 ,6 or nylon 6 polymer.8. The process of wherein the yarn is made from cationic dyeable nylon polymer.9. The process of wherein the cationic dyeable nylon polymer comprises a stain blocking additive capable of disabling acid dye sites in the polymer.10. The process of wherein the stain blocking additive is present in a range from about 1 to 10 percent by weight.11. The process of wherein the stain blocking additive is an aromatic sulfonate or an alkali metal salt thereof.12. The process of wherein the yarn is solution dye nylon yarn.13. An article formed from the yarn treated by process of .14. A carpet formed from the yarn treated by process of .15. The carpet of wherein the carpet has a stain rating of 8 or higher according to the 24 hour stain test.16. The carpet of wherein the carpet has a stain ...

HIGHLY CRYSTALLINE POLY(LACTIC ACID) FILAMENTS FOR MATERIAL-EXTRUSION BASED ADDITIVE MANUFACTURING

This invention involves a new and better solution to the problems associated with the premature softening of PLA filaments in the additive manufacturing of three dimensional articles. It is based upon the finding that poly(lactic acid) filaments with high crystallinity offer much better resistance to heat-induced softening. The crystalline poly(lactic acid) filament of this invention can accordingly be used in the additive manufacturing of three dimensional articles without encountering the problems associated with premature softening, such as poor quality and printer jamming The crystalline poly(lactic acid) filaments of this invention can also be used in additive manufacturing of three dimensional articles without compromising the quality of the ultimate product, reducing printing speed, increasing cost, or leading to increased printer complexity. This invention more specifically discloses a filament for use in three-dimensional printing which is comprised of crystalized poly(lactic acid), wherein said filament has a diameter which is within the range of 1.65 mm to 1.85 mm 1. In the process of manufacturing a three-dimensional article by additive manufacturing which includes extruding a filament of poly(lactic acid) into a desired geometric shape , the improvement which comprises said filament of poly(lactic acid) being comprised of crystalized poly(lactic acid) , wherein the crystalized poly(lactic acid) has a degree of crystallinity which is within the range of 5 percent to 40 percent.2. The process as specified in claim 1 , wherein said crystalized poly(lactic acid) has a degree of crystallinity which is within the range of 7 percent to 40 percent.3. The process as specified in claim 1 , wherein said crystalized poly(lactic acid) has a degree of crystallinity which is within the range of 10 percent to 40 percent.4. The process as specified in claim 1 , wherein said crystalized poly(lactic acid) has a degree of crystallinity which is within the range of 10 ...

Melt spinning assembly for synthetic yarns has a godet roller box containing godet take-off and drawing roller units with a smooth and quiet transfer between them in a compact drafting field

The melt spinning assembly, to spin and draw and wind a synthetic yarn (14), has a godet take-off roller unit (15) within a godet roller box (6) in the yarn path between the inlet (23) at the box and the godet drawing roller unit (16). The godet take-off roller unit (15) can be heated or unheated. A dividing wall within the godet roller box (6) separates the two roller units (15,16), with a passage in it for the yarn to pass through. The two godet roller units (15,16) each have two godet rollers (17,19), where the yarn (14) passes round a number of times. One roller at the take-off is at the height level of the godet drawing roller unit (16). The gap between the exit point at the roller (17) of the take-off unit and the entry point at the roller (19) of the drawing unit is 300-1000 mm. The godet roller take-off unit (15) and/or the drawing unit (16) have a powered roller (17,19) and an idle overrun roller (18,20). A number of air guide plates are in the vicinity of the take-off and drawing units (15,16) within the box (6), in a Z-shape between the rollers in each unit so that the yarn loops pass along the side flanks of the plates. A yarn guide is between the godet rollers of the take-off unit (15), to guide the yarn (14) in its final loop path before leaving the take-off. An eddy jet (21) is between the rollers of the drawing unit (16), to eddy the looped yarn (14) before it leaves the drawing stage (16). An eddy jet (31) is at the yarn path, before the entry (23) into the godet roller box (6), flanked by yarn guides (30,32). The second guide (32) leads the yarn (14) into the godet take-off unit (15).

Method and apparatus for pulling off and drawing a multifilament thread

A method and an apparatus for pulling off and drawing a multifilament thread during melt-spinning are described. Here, the thread is guided by guide casings of two driven galettes with a partial wraparound and is clamped between the galettes with a thread piece. In order for it to be possible for high stretching forces to be produced at the galettes with a single wraparound, the thread piece between the galettes is formed according to the invention by a thread loop, wherein the thread is guided at the loop end via a rotatably mounted deflection roller which is held at a spacing from the guide casings of the galettes.

Roller motor with contact device

The roller motor has an external rotor with a number of individual magnets arranged on the inner periphery of a short circuit tube and a carrier device that is arranged at least partly radially inside the individual magnets and that has radially outwardly facing, axially oriented distance holder for separating the individual magnets in the peripheral direction... Independent claims are also included for the following: (A) a method of manufacturing a roller motor or external rotor motor (B) a roller with an integrated roller motor (C) and a method of removing heat from at least one section of a roller.

一种超细phbv纤维及其制备方法

本发明公开了一种超细PHBV纤维及其制备方法，属于高分子材料领域。具体制备方法为：(1)按照10～90：10～90的复合比将海成分聚乳酸PLA和岛成分聚(3‑羟基丁酸酯‑co‑3‑羟基戊酸酯)PHBV加入到熔融复合纺丝机的料斗中进行复合纺丝，经拉伸热定型制备得到海岛型PLA/PHBV复合纤维；所述的纺丝过程中采用的喷丝板的孔数为24～96孔，每孔24～37岛；(2)将步骤(1)制备得到的海岛型PLA/PHBV复合纤维在溶剂中进行溶解，制得超细PHBV纤维；可用于过滤、吸附、阻菌或保暖领域。

Polyester fiber and preparation method thereof

본 발명은 에어백용 원단에 사용 가능한 폴리에스테르 원사에 관한 것으로, 특히, 상온에서 측정한 원사의 강인성(T 0 )에 대한 185 ℃에서 60 분 동안 열처리 후 측정한 원사의 강인성 (T 1 )의 비가 (T 1 /T 0 )가 0.8 이상인 폴리에스테르 원사 및 그의 제조방법, 이로부터 제조된 에어백용 원단에 관한 것이다. 본 발명의 폴리에스테르 원사는 낮은 초기 모듈러스와 함께 우수한 기계적 물성을 확보함에 따라 에어백용 원단으로 사용시 우수한 수납성, 형태안정성과 함께 우수한 공기 차단 효과를 제공하며, 이와 동시에 승객에게 가해지는 충격을 최소화하여 탑승자를 안전하게 보호할 수 있다. The present invention relates to a polyester yarn usable for an airbag fabric, and more particularly to a polyester yarn having a toughness (T 1 ) ratio of a yarn measured after heat treatment at 185 ° C for 60 minutes against the toughness (T 0 ) (T 1 / T 0 ) of 0.8 or more, a method for producing the polyester yarn, and a fabric for an air bag produced therefrom. The polyester yarn according to the present invention has excellent initial mechanical properties together with a low initial modulus, thereby providing excellent air-blocking effect as well as excellent storage stability and shape stability when used as a fabric for an airbag. At the same time, Can be safely protected.

Method of and apparatus for continuously treating thermoplastic yarn

High performance polyethylene fiber, manufacturing method thereof and device for manufacting the same

본 발명은 폴리에틸렌 섬유 및 그의 제조방법에 관한 것으로, 방사공정에서 Enforced Necking Method를 사용하여, 동일한 물성을 가지는 섬유의 stiffness를 낮춰 응용제품으로 사용시 직물, 편물의 가공 편의성 및 착용감, 촉감이 우수한 폴리에틸렌 섬유, 그의 제조방법 및 그의 제조장치에 관한 것이다 TECHNICAL FIELD The present invention relates to a polyethylene fiber and a method for producing the same. More particularly, the present invention relates to a polyethylene fiber and a method for producing the same. More particularly, the present invention relates to a polyethylene fiber , A method of manufacturing the same, and an apparatus for manufacturing the same

聚酯系纤维、使用其的绒头布帛及它们的制造方法

本发明提供一种聚酯系纤维，是具有卷缩的聚酯系纤维，其中，在将所述聚酯系纤维垂直地吊挂、并在4mg/dtex的载荷下在90～120℃的温度下干热处理60秒时，热处理后的4mg/dtex载荷下的聚酯系纤维的纤维长与热处理后的无载荷下的聚酯系纤维的纤维长的差低于3％。由此，提供一种能够对绒头布帛的立毛表层部相对于90～160℃的低温抛光处理赋予高的卷缩除去性，而且能够对绒头布帛赋予良好的外观及倒绒恢复性、体积感的聚酯系纤维、使用其的绒头布帛及它们的制造方法。

糸を案内し、加熱しかつ搬送するためのゴデット

(57)【要約】 【課題】 ゴデット外とうの磁気軸受けを著しく阻害す ることなしに、ゴデット外とうの一様な加熱を可能にす る。 【解決手段】 少なくとも加熱極巻き線３０の１つが、 軸受け平面１４内で当該の軸受け平面１４の軸受け極巻 き線１０の間に配置されている。

Method for Preparing a Structure

본 발명은 구조체의 제조방법에 관한 것으로, 보다 상세하게는, 이중 노즐 전기방사 장치를 이용한 전기방사 공정 및 열처리 공정을 포함하는 간소한 방법에 의해 전극 활물질을 담지할 수 있는 공간을 확보할 수 있는 튜브형 구조체를 제조할 수 있다. The present invention relates to a method for manufacturing a structure, and more specifically, to secure a space for supporting an electrode active material by a simple method including an electrospinning process and a heat treatment process using a double nozzle electrospinning device. A tubular structure can be produced.

一种自动吸切丝装置

本发明公开了一种自动吸丝切丝的装置，包括：安装在热箱上的三轴机械手、控制单元、引丝导丝单元和吸丝单元，利用三轴机械手进行精确定位，由自动装置进行吸丝，引丝及切丝。该装置能够准确的进行系统定位，并自动完成吸丝切丝全过程，节省了人力，提高了引丝效率。解决了人工引丝耗时费力的问题，节省了人力，提高了引丝效率。

立式涤纶三维短纤维松驰热定型机

一种立式涤纶三维短纤维松驰热定型机为立式的塔，上段为除湿段，下段为定型段；所述塔顶端即除湿段顶端内设有铺丝机，顶端还连有进丝口，进丝口上方设有吸棉机和离心风机，塔顶出风口与上下段分界线之间依次设有高压风机、湿空气排放阀、加热器；定型段底部出口处设有锁风阀，定型段底部下方设有冷却链板，除湿段和定型段内间隔排列若干层匀棉器。本发明具有如下优点：1、节能：干燥塔与定型塔保温做好，散热少。2、故障率低，不存在漏风、漏棉、卡链板等现象，维护方便。3、工艺更合理。4、工艺调节更方便，干燥塔和定型塔的温度可高。5、节省地方，2万吨/年的卧式定型机需300平方米。

아라미드 폴리에틸렌테레프탈레이트 하이브리드 연사 및 공기교락사(aty) 공법을 적용한 이의 제조방법

본 발명은 아라미드 폴리에틸렌테레프탈레이트 하이브리드 연사 및 공기교락사(ATY) 공법을 적용한 이의 제조방법에 관한 것으로, 상세하게는 제1원재료로 방향족 폴리아미드 필라멘트사; 제2원재료로 폴리에틸렌테레프탈레이트(PET) 필라멘트사;를 포함하고, 상기 제1원재료는 파라-폴리아미드 필라멘트사 7 내지 3 중량비 : 메타-폴리아미드 필라멘트사 3 내지 7 중량비를 포함하여 작업성, 강도, 내열성, 내구성, 내압성, 내피로성이 우수한 하이브리드 연사를 제조할 수 있다. 또한, 방향족 폴리아미드 필라멘트사와 폴리에틸렌테레프탈레이트 필라멘트사를 혼합함에 따라 방적사 느낌의 감촉을 부여할 수 있고 엉키거나 절단되는 문제점을 방지하여 하이브리드 연사 공정 시 벌키성, 작업성이 향상되는 효과가 있다.

Device for producing spun non-woven fabrics from filaments

FIELD: forming of chemical fibers. SUBSTANCE: device for production of spun non-woven fabrics from elementary threads, wherein chamber (4) of elementary threads cooling by cold air is installed. On the opposite sides of the cooling chamber, a supply air unit is installed with the possibility of introducing cold air into the cooling chamber through the opposite supply air units. In each unit of inlet air there is a straightening grid for equalizing the flow of cold air falling on elementary threads. Straightening grid has several flow channels oriented perpendicular to direction of movement of elementary threads. Open surface of straightening grid occupies more than 85 %, and ratio L/D i of length L of flow channels (19) and diameter D i of flow channels (19) ranges from 1 to 15. EFFECT: disclosed is a device for producing spunbonded nonwoven fabricks from filaments. 15 cl, 6 dwg РОССИЙСКАЯ ФЕДЕРАЦИЯ (19) RU (11) (13) 2 739 285 C2 (51) МПК D04H 13/00 (2006.01) ФЕДЕРАЛЬНАЯ СЛУЖБА ПО ИНТЕЛЛЕКТУАЛЬНОЙ СОБСТВЕННОСТИ (12) ОПИСАНИЕ ИЗОБРЕТЕНИЯ К ПАТЕНТУ (52) СПК D04H 13/00 (2020.08) (21)(22) Заявка: 2019116345, 27.05.2019 (24) Дата начала отсчета срока действия патента: Дата регистрации: 22.12.2020 28.05.2018 EP 18174523.3 (43) Дата публикации заявки: 27.11.2020 Бюл. № 33 (45) Опубликовано: 22.12.2020 Бюл. № 36 2 7 3 9 2 8 5 R U (54) УСТРОЙСТВО ДЛЯ ИЗГОТОВЛЕНИЯ ФИЛЬЕРНОГО НЕТКАНОГО МАТЕРИАЛА ИЗ ЭЛЕМЕНТАРНЫХ НИТЕЙ (57) Реферат: Устройство для изготовления фильерного спрямляющая решетка для выравнивания потока нетканого материала из элементарных нитей, холодного воздуха, попадающего на причем установлена камера (4) охлаждения элементарные нити. Спрямляющая решетка имеет элементарных нитей холодным воздухом. На несколько проточных каналов, ориентированных противоположных сторонах камеры охлаждения перпендикулярно направлению движения установлено по блоку приточного воздуха с элементарных нитей. Открытая поверхность возможностью заведения холодного воздуха в спрямляющей ...

液晶聚酯纤维及其制造方法

提供差示量热测定中，由50℃在20℃/分钟的升温条件下测定时观测到的吸热峰(Tm1)的半峰宽为15℃以上，强度为12.0cN/dtex以上的液晶聚酯纤维及其制造方法。可以不损害高强度、高弹性模量、优异的耐热性等由固相聚合液晶聚酯纤维形成的织物的特征地高效制造耐磨损性优异，长度方向的均一性优异，织造性、织物品质可以得到提高的特别是单纤维纤度小的液晶聚酯纤维。

The method and apparatus for producing polypropylene yarn

描述了一种使用拉伸系统(1)生产聚丙烯纱线(10)的方法，所述拉伸系统(1)包括与至少一个加热元件(4)相关的至少两个拉伸塔(2、7)，其中所述生产聚丙烯纱线的方法包括以下步骤：在将聚丙烯纱线(10)引入加热元件(4)中之前加热所述聚丙烯纱线(10)，将所述聚丙烯纱线(10)引入加热元件(4)中，和冷却所述聚丙烯纱线(10)。

Preparation method and application of surface pore-forming coalescent fiber

本发明公开了一种表面致孔聚结纤维的制备方法及由该方法制备的表面致孔聚结纤维，包括以下步骤：S1.对包含聚丙烯树脂、成核剂和抗氧剂的混合物进行纺丝处理，得到纤维长丝；S2.对所述纤维长丝依次进行牵引和冷却处理；S3.对冷却后的纤维长丝进行保温处理；S4.对保温后的纤维长丝依次进行拉伸和热定型处理，制得所述聚结纤维。本发明将亲油性聚丙烯树脂和β晶成核剂混合，通过熔融挤出纺丝后，通过成核剂的作用控制纤维中β晶的生成和取向，再经过拉伸、热定型等后处理工艺制成具有大量微孔结构的表面致孔聚结纤维，制备的纤维表面粗糙度高、比表面积大、孔径适中、分离性能优良，对污水的除油效率高。

一种低纤度高孔数空气包覆纱

本发明涉及化纤技术领域，具体涉及一种低纤度高孔数空气包覆纱。以氨纶长丝为芯纱，外层为锦纶纤维的高孔数纱线；所述氨纶长丝与锦纶纤维的的重量比为1:6‑12；所述氨纶长丝为双股氨纶长丝，氨纶长丝的规格为40D，氨纶长丝的预拉伸倍数为3.5‑3.7和2.3‑2.5；锦纶纤维的规格为20D，锦纶纤维的预拉伸倍数为2.5。本发明制备的低纤度高孔数空气包覆纱具有轻柔舒适、手感柔软、易染色等特点，在高端面料产品中具有较大的竞争优势，能够创造更多的经济效益。

Graphene conjugate fiber and method for manufacturing same

Polyethylene Multifilament Interlaced Yarn of High Tenacity and Method for Manufacturing The Same

본 발명은 폴리에틸렌 멀티필라멘트사에 충분한 교락이 부여될 수 있도록 하여 높은 내절단성과 우수한 착용감을 갖는 보호용 제품의 제조를 가능하게 할 뿐만 아니라 우수한 제직성을 갖는 폴리에틸렌 멀티필라멘트 교락사 및 그 제조방법이 개시된다. The present invention enables the manufacture of a protective product having high cut resistance and excellent fit by allowing sufficient entanglement to be given to the polyethylene multifilament yarn, and discloses a polyethylene multifilament entanglement yarn having excellent weavability and a manufacturing method thereof. do.

Patent RU2019117747A3

7 ВУ’ 2019117747” АЗ Дата публикации: 01.04.2021 Форма № 18 ИЗПМ-2011 Федеральная служба по интеллектуальной собственности Федеральное государственное бюджетное учреждение 5 «Федеральный институт промышленной собственности» (ФИПС) ОТЧЕТ О ПОИСКЕ 1. . ИДЕНТИФИКАЦИЯ ЗАЯВКИ Регистрационный номер Дата подачи 201911774'7/03(033932) 08.11.2017 РСТ/ВВ2017/050337 08.11.2017 Приоритет установлен по дате: [ ] подачи заявки [ ] поступления дополнительных материалов от к ранее поданной заявке № [ ] приоритета по первоначальной заявке № из которой данная заявка выделена [ ] подачи первоначальной заявки № из которой данная заявка выделена [ ] подачи ранее поданной заявки № [Х] подачи первой(ых) заявки(ок) в государстве-участнике Парижской конвенции (31) Номер первой(ых) заявки(ок) (32) Дата подачи первой(ых) заявки(ок) (33) Код страны 1. 62/419,216 08.11.2016 05 Название изобретения (полезной модели): [Х] - как заявлено; [ ] - уточненное (см. Примечания) СПОСОБ ИЗГОТОВЛЕНИЯ ПОЛИПРОПИЛЕНОВОЙ НИТИ, СПОСОБ И СИСТЕМА НАГРЕВА ПОЛИПРОПИЛЕНОВОЙ НИТИ, СПОСОБ И СИСТЕМА НАГРЕВА И ВЫТЯЖКИ ПОЛИПРОПИЛЕНОВОЙ НИТИ, СИСТЕМА ВЫТЯЖКИ ПОЛИПРОПИЛЕНОВОЙ НИТИ И СПОСОБ, И СИСТЕМА ОХЛАЖДЕНИЯ ПОЛИПРОПИЛЕНОВОЙ НИТИ Заявитель: БРАСКЕМ С.А., ВК 2. ЕДИНСТВО ИЗОБРЕТЕНИЯ [Х] соблюдено [ ] не соблюдено. Пояснения: см. Примечания 3. ФОРМУЛА ИЗОБРЕТЕНИЯ: [Х] приняты во внимание все пункты (см. Примечания) [ ] приняты во внимание следующие пункты: [ ] принята во внимание измененная формула изобретения (см. Примечания) 4. КЛАССИФИКАЦИЯ ОБЪЕКТА ИЗОБРЕТЕНИЯ (ПОЛЕЗНОЙ МОДЕЛИ) (Указываются индексы МПК и индикатор текущей версии) 202.7 1/22 (2006.01) 5. ОБЛАСТЬ ПОИСКА 5.1 Проверенный минимум документации РСТ (указывается индексами МПК) 2021 1/22, 202. 13/00, РОТЕ 6/04, РОН 5/44, РОО 10/02 5.2 Другая проверенная документация в той мере, в какой она включена в поисковые подборки: 5.3 Электронные базы данных, использованные при поиске (название базы, и если, возможно, поисковые термины): Езрасепес, РАТЕМТЗСОРЕ, Рабеагсв 6 ...

Heat setting method of high-heat-resistance polylactic acid fiber

本申请公开了一种高耐热聚乳酸纤维的热定型方法，所述高耐热聚乳酸纤维的热定型方法包括如下步骤：制备聚乳酸切片，完成聚乳酸原料的加工和改性，使改性后的聚乳酸切片各项性能得到提高；切片干燥，将聚乳酸切片集中后进行多次真空干燥处理，减少切片内部的含水率；熔融纺丝，对切片熔融后喷丝制成初生纤维；高温定型，成丝后的纺丝以一定速度进行卷绕，然后将初生纤维在经过预加热的热板上进行拉伸热定型；冷却降温，将降温后成丝的纤维放置在油架上，进行二次的拉伸定型；纤维检测，低纤维成品的残次率，将成品打包存储；经过加工处的纤维具备高耐热性能、抗紫外线和抗静电性能，便于聚乳酸纤维的使用。

Method of manufacturing a drawn biodegradable micro-filament

The invention resides in enabling biodegradable filament of polylactic acid, polyglycolic acid and the like to manufacture biodegradable micro-filament by simple and convenient means without needing special, high-accuracy and high-level apparatus; it is characterized in that highly molecular oriented micro-filament those of 12 μm or less and generally from 2 μm to 3 μm can be obtained by heating biodegradable filament by infrared beam and the heated original filament is drawn to 100 times or more by tension of 10 MPa or less.

Highly crystalline polylactic acid wire rod for material extruded type increasing material manufacturing

本发明提供了一种全新的、效果更好的方案，用于解决三维制品增材制造中PLA线材的过早软化所导致的相关问题。这一方案基于通过获得高结晶度的聚乳酸线材从而提高线材对热软化的抵御能力。本发明的结晶聚乳酸线材能应用于三维制品的增材制造，同时不会降低质量和导致打印头阻塞等与线材过早软化有关的问题。本发明的结晶聚乳酸线材也能用于三维物品的增材制造，且不会降低最终产品的质量，不降低打印速度，不增加成本也不会导致打印机结构的复杂化。本发明特别披露了在三维打印中使用的一种由结晶聚乳酸制成的线材，其中线材的直径范围在1.65 mm到1.85 mm之间。

Highly crystalline poly (lactic acid) filaments for material-extrusion based additive manufacturing

Provided is a new and better solution to the problems associated with the premature softening of PLA filaments in the additive manufacturing of three dimensional articles. It is based upon the finding that poly (lactic acid) filaments with high crystallinity offer much better resistance to heat-induced softening. The crystalline poly (lactic acid) filament can accordingly be used in the additive manufacturing of three dimensional articles without encountering the problems associated with premature softening, such as poor quality and printer jamming. The crystalline poly (lactic acid) filaments can also be used in additive manufacturing of three dimensional articles without compromising the quality of the ultimate product, reducing printing speed, increasing cost, or leading to increased printer complexity. It more specifically discloses a filament for use in three-dimensional printing which is comprised of crystalized poly (lactic acid), wherein said filament has a diameter which is within the range of 1.65 mm to 1.85 mm.

一种提高后道制造效率的细旦高弹丝的生产工艺

本发明提供了一种提高后道制造效率的细旦高弹丝的生产工艺，包括以下步骤：S1.以预取向丝POY为原料由原丝架引出，经过切丝器，一罗拉和止捻器输送至上热箱受热，得到热处理丝；S2.将热处理丝经过导丝器进入冷却板冷却，再由导丝器进入假捻器进行加捻和解捻，得到假捻丝；S3.将假捻丝通过导丝器进入二罗拉，网络器和辅助罗拉后，得到网络丝，再进入下热箱，进入油轮上油，卷绕成型，得到DTY高弹丝。本工艺既能满足织造需求的收缩弹性、网络均匀度又能增加其稳定性的生产工艺，该工艺以能够改善产品质量，提高纺织生产效率。

Calendering apparatus and method for heating a traveling multi-filament tow

A calendering apparatus and method for heatsetting a traveling multi-filament tow basically utilizes plural heated rolls about which the tow travels in a sinuous path to be conductively heated by the rolls and, at each roll, a plurality of infrared lamps in an arcuate arrangement facing the portion of the respective roll in contact with the tow simultaneously applies infrared radiation to the opposite side of the tow. In one embodiment, this arrangement of infrared lamps is retrofitted to a conventional calendering apparatus. An alternative embodiment provides for reducing or eliminating the number of calender rolls followed by a series of infrared heating tunnels collectively effective to accomplish heatsetting of the tow. The speed and/or throughput rate of each calendering apparatus and method is effectively twice that of conventional equipment of similar size.

石墨烯纤维毛条的生产工艺

本发明公开了石墨烯纤维毛条的生产工艺，工艺步骤如下：原料烘燥→螺杆挤压喷丝→卷绕集束→丝束后处理→丝束切断制条→一道针梳→二道针梳→成球针梳。利用上述方法制得的石墨烯纤维毛条的防辐射性能优良，抗菌抑菌，屏蔽性能好；与其它普通纤维的抱合性好，易于混纺或者交织。并且该石墨烯纤维毛条的蓬松性、柔软性、悬垂性和强度都表现优良。

Low shrinking blending thread, its preparing method and use

本发明描述了包含增强长丝和由热塑性聚合物组成的基质长丝的低收缩混纺线，其聚合物的熔点比增强长丝的熔点或分解点低，其特征在于：在160℃的温度下纱线的热收缩≤2％，而在200℃的温度下≤5％，这种纱线可以用于制备复合材料。

被拉伸了的极细的生物降解性纤维丝

本发明在于一种利用聚乳酸或聚乙醇酸等生物降解性纤维丝，无需特殊的、高精度的、高水准的装置，通过简单的方法，就能制造极细的生物降解性纤维丝，用红外线光束加热生物降解性纤维丝，用10MPa以下的张力，将该加热的原纤维丝拉伸到100倍以上，而得到被高度分子取向的12μm以下、2μm～3μm的极细纤维丝。

Monofilament, mesh for deentering surgery with improved flexibility and biocompatibility using the same, and method for producing the same

Drawn extremely fine biodegradable filament

본 발명은 폴리유산이나 폴리글리콜산 등의 생분해성 필라멘트를, 특수하고 고정도(高精度)이며 높은 레벨의 장치를 필요로 하지 않고, 간단한 수단에 의해 극세(極細)의 생분해성 필라멘트를 제조가능하게 함으로써, 생분해성 필라멘트를 적외선 광속으로 가열하여, 그 가열된 원(原)필라멘트가 10MPa 이하의 장력에 의해 100배 이상으로 연신되어 고도로 분자배향된 12μm 이하인, 2 μm 내지 3μm 라는 극세 필라멘트를 얻을 수 있는 것을 특징으로 한다. The present invention is capable of producing ultra-degradable filaments of biodegradable filaments, such as polylactic acid and polyglycolic acid, without requiring a special, high precision and high level device by simple means. By heating the biodegradable filament with an infrared light beam, the microfiber filaments of 2 μm to 3 μm are obtained, in which the heated raw filament is stretched 100 times or more by a tension of 10 MPa or less to have a highly molecular orientation of 12 μm or less. Characterized in that it can. 생분해성, 극세, 필라멘트, 연신, 폴리유산, 폴리글리콜산, 분자배향, 부직포, 적외선, 광속, 장력, 레이저, Biodegradable, ultrafine, filament, stretched, polylactic acid, polyglycolic acid, molecular orientation, nonwoven, infrared, luminous flux, tension, laser,

Method and apparatus for producing synthetic fully drawn yarns

本发明涉及一种通过牵伸并松弛新纺纱线制造全牵伸合成纱线(FDY)的方法及装置。纺成纱线在被冷却和凝固之后以纱片形式在被驱动的多个导丝辊套的周面上被共同引导。所述纱线以小于360°的部分包绕来接触该导丝辊套。所述纱线在这些导丝辊套的表面上被热处理。纱线在这些导丝辊套之间以在这些导丝辊套之间具有至少一个速度差的方式被自由引导。为了能制造具有高品质染色能力的纱线，根据本发明，所述纱线在被加热的第一导丝辊套和被加热的第二导丝辊套之间在自由拉伸区内被引导和牵伸，其中，被牵伸前的纱线在40℃至80℃的第一导丝辊套的表面温度下被预先热处理，或者被牵伸前的纱线在室温下被引导。这种低温牵伸造成在纱线的长丝缕条中形成牵伸点的高稳定性。

Processing thread

Process Of Producing Composite Yarn Having Excellent Color Depth And Drapability Property

본 발명은 카치온가염성 폴리에스테르반연신필라멘트사의 특성을 이용하여 아세테이트와 유사한 물성을 가지는 심색성 및 드레이프성이 우수한 폴리에스터 복합가공사를 제공하는 것으로서, 본 발명에 의하면 카치온가염성 폴리에스테르반연신필라멘트사의 특성을 이용하여 아세테이트와 유사한 구김성, 광택, 대전방지성, 반발성, 촉감 및 심색성을 가지는 폴리에스터 복합가공사를 제공하여 원단으로 제작하는 경우에 원단의 촉감상에 바삭바삭한 Crispness와 우수한 드레이프성 및 이수축효과를 발현할 수 있다. The present invention is to provide a polyester composite fabric with excellent deep color and drape properties having properties similar to acetate by using the properties of the cationic dyed polyester semi-stretched filament yarn. In the case of manufacturing as a fabric by providing a polyester composite processing that has similar wrinkle, gloss, antistatic properties, resilience, touch and deep color properties to acetate using It is possible to express a diconstriction effect.

Method for manufacturing protein crimped staples

本発明は、タンパク質フィラメントからタンパク質捲縮ステープルを効率的に且つ低コストに製造する法を提供することを目的とする。本発明に係るタンパク質捲縮ステープルの製造方法は、ａ）改変フィブロインを含む人工フィブロインフィラメントを準備する工程と、ｂ）人工フィブロインフィラメントをカットして、人工フィブロインステープルを得るカット工程と、ｃ）カット工程に先だって、人工フィブロインフィラメントを水性媒体と接触させて捲縮させるか、若しくはカット工程の後に、人工フィブロインステープルを水性媒体と接触させて捲縮させる捲縮工程とを含む。 An object of the present invention is to provide a method for efficiently and inexpensively producing protein crimp staples from protein filaments. The method for producing a protein crimped staple according to the present invention includes a) a step of preparing an artificial fibroin filament containing modified fibroin, b) a cutting step of cutting the artificial fibroin filament to obtain an artificial fibroin table, and c) cutting. Prior to the step, the artificial fibroin filament is brought into contact with an aqueous medium to be crimped, or after the cutting step, the artificial fibroin protein is brought into contact with an aqueous medium to be crimped.

A kind of manufacture method of the refreshing plying network yarn of full-dull ice

本发明属于纺丝技术领域，具体涉及全消光冰爽合股网络丝的制造方法，包括以下步骤：a)熔融高速纺丝；b)侧吹风冷却；c)上油、集束；d)卷绕；e)导丝加热；f)冷却假捻；g)牵伸；h)网络；其中，步骤a)中，功能性凉爽母粒为玉石粉，其添加量为2.5～3％。本发明采用全消光切片作为原料，不仅降低了纤维的反光和闪烁现象，而且使后续纤维具有光泽柔和，深染性好，织物悬垂性高，遮蔽性能强等优点；在纺丝过程中添加了矿物质母粒使该产品具有冷感效果；采用异形截面喷丝板使得产品具有吸湿快干的特点；产出的产品的断裂强度、断裂伸长等物理性能与常规圆形截面锦纶弹力丝差距不大，耐磨性能也强过涤纶织物。

Manufacture method of Suture material for medical treatment using under water type of elongation

The present invention relates to a method for manufacturing a medical thread with improved manufacturability, productivity, and usability by using a pre-punched post-tensile processing method. Accordingly, a plurality of punched grooves are formed on an outer circumferential surface of a wire rod to be processed, and for the wire rod with punched grooves, after heating the same to below the glass transition temperature, the wire rod before modification is stretched in both lengths in the longitudinal direction so that the outer edge of the punched grooves is formed into a cog. Therefore, compared to the conventional manufacturing method of stretching after injection, an area of the usable part is high, and a shape of the cog is easily and precisely secured by punching, as well as the strength of the cog's manufacturing structure is greatly improved, thereby having greatly improved operation performance by high traction force.

Liquid crystal polyester fibers and method for producing the same

본 발명은, 시차 열량 측정에 있어서 50℃에서부터 20℃/분의 승온 조건으로 측정하였을 때에 관측되는 흡열 피크(Tm1)에서의 피크 반치폭이 15℃ 이상이고, 폴리스티렌 환산의 중량 평균 분자량이 25.0만 이상 200.0만 이하이고, 우스터 실 불균일 시험기에서의 하프 이너트 다이어그램 매스 파형에서의 변동 파형이 10% 미만인 액정 폴리에스테르 섬유, 및 액정 폴리에스테르 섬유를 패키지로 하여, 고상 중합하고, 상기 패키지로부터 고상 중합한 액정 폴리에스테르 섬유를 해서하면서 일단 권취하지 않고 계속해서 열 처리할 때에, 열 처리의 온도를 고상 중합 후의 액정 폴리에스테르 섬유의 흡열 피크 온도(Tm1)+60℃ 이상으로 함과 함께, 열 처리 전후의 상기 섬유의 속도를 각각 제1 롤러 및 제2 롤러에 의해 규제하는 액정 폴리에스테르 섬유의 제조 방법에 관한 것이다. In the present invention, the peak half width at the endothermic peak (Tm1) observed when measured under a temperature increase condition of 50 ° C to 20 ° C / min in differential calorimetry is 15 ° C or more, and the weight average molecular weight in terms of polystyrene is 250,000 or more. 200.00,000 or less, and the liquid crystal polyester fiber whose liquid crystal polyester fiber and liquid crystal polyester fiber whose fluctuation | variation waveform in a half-inner diagram mass waveform in a Worcester thread nonuniformity tester are less than 10% and a liquid crystal polyester fiber were packaged, and solid-phase-polymerized from the said package. When heat-processing continuously without winding once, making liquid crystalline polyester fiber, the temperature of heat processing is made into the endothermic peak temperature (Tm1) +60 degreeC or more of liquid crystalline polyester fiber after solid state polymerization, In the manufacturing method of the liquid crystal polyester fiber which regulates the speed of the said fiber by a 1st roller and a 2nd roller, respectively. One will.

Oxidation furnace

FIELD: metallurgy. SUBSTANCE: invention relates to an oxidative furnace for processing fibres and for producing hydrocarbon fibres. Furnace (1) has located inside housing (2) a process chamber, blowing device (13), exhaust device (14), one fan, which pumps out hot air through blowing device (13), and being in hot flow of pumped air heating device. Run-around rolls (24, 25, 26, 32) direct fibres (20) through a process chamber located nearby in zigzag manner in form of a carpet. Fibre mat (20) forms a plane between opposite bypass rollers (24, 25, 26). Means (33) provide crossing of air plane formed by fibre mat (20), at angle other than 0° and from 90°, so that throughout between blower (13) and exhaust device (14, 15) there is air essentially of same temperature. EFFECT: invention improves heat exchange between hot oxidative air and fibres. 16 cl, 10 dwg РОССИЙСКАЯ ФЕДЕРАЦИЯ (19) RU (11) (51) МПК D01F 9/32 (13) 2 594 415 C2 (2006.01) ФЕДЕРАЛЬНАЯ СЛУЖБА ПО ИНТЕЛЛЕКТУАЛЬНОЙ СОБСТВЕННОСТИ (12) ОПИСАНИЕ (21)(22) Заявка: ИЗОБРЕТЕНИЯ К ПАТЕНТУ 2013109001/05, 16.08.2011 (24) Дата начала отсчета срока действия патента: 16.08.2011 (72) Автор(ы): БЕРНЕР Карл (DE) (73) Патентообладатель(и): АЙЗЕНМАНН АГ (DE) Приоритет(ы): (30) Конвенционный приоритет: R U 03.09.2010 DE 102010044296.8 (43) Дата публикации заявки: 10.09.2014 Бюл. № 25 (45) Опубликовано: 20.08.2016 Бюл. № 23 2 5 9 4 4 1 5 (56) Список документов, цитированных в отчете о поиске: JP 2007247130 A, 27.09.2007. RU 2187475 C2, 20.08.2002. JP 59137510 A, 07.08.1984. JP 2010002176 A, 07.01.2010. EP 1413654 A1, 28.04.2004. (85) Дата начала рассмотрения заявки PCT на национальной фазе: 28.02.2013 (86) Заявка PCT: 2 5 9 4 4 1 5 R U C 2 C 2 EP 2011/004108 (16.08.2011) (87) Публикация заявки PCT: WO 2012/028260 (08.03.2012) Адрес для переписки: 105082, Москва, Спартаковский пер., д. 2, стр. 1, секция 1, этаж 3, "ЕВРОМАРКПАТ" (54) ОКИСЛИТЕЛЬНАЯ ПЕЧЬ (57) Реферат: Изобретение относится к окислительной печи для обработки волокон ...

Di-shrink blended yarn and method of manufacturing the fabric

본 발명은 단사섬도가 1.5∼4.0인 고수축사를 심사로, 알칼리감량후 단사섬도가 0.05∼0.3인 극세사가 되는 복합사를 초사로 하는 이수축혼섬사를 제조함에 있어서, 상기 복합사를 비접촉식 히터의 온도를 170∼210℃ 범위로 하여 제1공급롤러와 제2공급롤러 사이에서 오버피드율 차이가 5∼20%가 되도록 응력완화열처리한 후 열처리롤러로 연신하여 태세구조를 갖는 복합사를 제조한 후 고수축사와 합사하는 것을 특징으로 하는 이수축 혼섬사 및 그 직물의 제조방법을 제공하는 것으로, 본 발명에 의해 제조되는 이수축 혼섬사는 은은한 태세구조를 발현하여 그 직물의 촉감이 부드럽고 숭고성이 우수하며 벌키성 및 반발탄력성이 우수하여 고급의료용으로 적합하다.

Manufacturing method of polyester filament

An undrawn yarns(1)(2) of the polyester part is heated up to the proper temperature at a 1st roller(4). The undrawn yarn(1), as passes through a 1st heat plate(5) is drawn and heat treated during passage of a 2nd roller(6) and doubled with the partially undrawn yarn(2) and is slack heat treated on a 2nd heat plate(7). Partially undrawn yarn(2) goes through a roller(9), after drawn in the 2nd roller(6) is doubled with the partially drawn yarn(1) and slack heat treated on the 2nd heat plate(7).

Textile treating apparatus

<PICT:0925803/IV(a)/1> <PICT:0925803/IV(a)/2> A device for advancing a tow from an area at one pressure level to an area at a different pressure level comprises a bellows interconnecting said areas, first means at one end of the bellows for gripping the tow and preventing the passage of the pressure medium, second means at the other end of the bellows for gripping the tow and preventing the passage of said pressure medium and means connected to the other end of the bellows for reciprocating said other end. The device has particular application in feeding continuous filamentary tow into and out of an annealing chamber and one such application is shown in Fig. 1. Tow 22 is passed from a supply source (not shown) down through the hollow shaft 28 through the connecting pipe 40, between inflatable tubes 46 and 48, which to start with are in an uninflated position (Fig. 2) through flap-valve 64 and into the annealing chamber 10. The tow 22 is then passed around the guide 20 up through the open flap p valve 641, through open inflatable tubes 461 and 481 and thence upward through hollow shaft 281 to a suitable take-up means (not shown). Sufficient tow is placed within the chamber 10 so that it is in a relaxed condition to permit shrinkage during the annealing operation. Steam is passed under pressure through conduit 12 into the chamber 10. With piston 34 in the up position as shown in Fig. 1 the sealing tubes 46 and 48 are inflated to grip the tow and form a seal between the hollow shaft 28 and the bellows section 60. At the same time piston 341 is in the down position and tubes 461 and 481 are inflated to grip the tow and seal the passage. At this time exhaust vent valves 70 and 701 are closed. As the steam pressure builds up in chamber 10 steam is vented through vents 66 and 661 to equalize the pressure above and below the flap valves 64 and 641 thereby allowing these valves to fall open. Piston 34 is then actuated in a downward direction moving the tubes 46 ...

Method and apparatus for heatttreating filament

Draw-off godet and seal wire disk control method

本发明涉及一种用于引导纱线的导丝盘和用于控制导丝盘的方法以及用于运行导丝盘的方法。所述导丝盘和所述方法基于这样的事实，即，使用被电动驱动装置(2)驱动的导丝盘的导丝盘壳(1)，以便在适当设计所述电动驱动装置(2)的情况下，在运行中断后通过所述导丝盘壳(1)的手动产生的转动运动重启驱动装置。所述驱动装置能够在运行中断后无需附加的辅助机构地被启动。

Apparatus For Processing Artificial Hair For Ragge Hair Style

The present invention relates to an artificial hair processing device for a wig to manufacture a wig of a form of a reggae hair by using artificial yarn in a form of straight hair. The artificial hair processing device comprises: a winding bobbin installation stand which is provided in a frame to fix and install a plurality of winding bobbins in which artificial hair is wound in a skein form; a towing tool which tows the artificial hair in the winding bobbins; a bobbin rotation tool which twists the artificial hair while being towed by rotating the winding bobbin installation stand; and an artificial hair setting unit which fixes the artificial hair as a twisted state.

Fine-denier imitation knitting rib polyester fabric and preparation method thereof

本发明公开了一种细旦仿针织罗纹涤纶面料及其制备方法，所述的面料由细旦涤纶长丝经络筒、倍捻、蒸丝定型、分条整经、造机后，使用喷水织机织造，再依次经预缩精炼、水洗复漂、染色、定型后整理制备得到，其特征在于，所述的细旦涤纶长丝由经、纬两种不同规格的纱线组成，经纱为40~60D/50~75F一步法异收缩涤纶混纤丝加低捻使用，纬纱为50~80D/36~72F并列型双组分复合弹性涤纶长丝，所述的织造上机经纱密度为42~50n/cm，上机纬纱密度为28~35n/cm，采用6~16片综的多臂喷水织机，按纵凸条组织进行织造。本面料仿罗纹的凸条经纱部分触感更加柔软，使得面料触觉及更像针织物，提升了仿针织的效果。