Abstract: A technique for depositing fiber-reinforced thermoplastic filament in an arc is disclosed that mitigates the centripetal forces that arise in the prior art. In accordance with the illustrative embodiment, the centripetal forces are ameliorated by twisting the filament while depositing it in an arc.

Abstract: A nonwoven recyclable fabric and associated methods are provided. The fabric is formed from 100% polyester, and may also include surface coatings such as hydrophilic coatings to promote heat transfer as well moisture vapor transmission rates and/or a silicone coating to promote fabric smoothness and reduce abrasiveness of the fabric.

Abstract: A method of recycling laminated fabrics and laminated fabric products and producing new laminated fabrics and laminated fabric products includes the steps of shredding scrap or used laminated fabric material, melt separating the polymers, pelletizing the melt separated polymers, extruding the pelletized material with at least one virgin material to form a film, and laminating the film to a nonwoven material to form a new laminated fabric. The scrap or recycled laminated fabric products can include plastic/polymer materials having different melting temperatures. The new laminated fabric can be utilized to produce new products, such as protective covers.

Abstract: The invention relates to a method for manufacturing a composite sheet comprising high performance polyethylene fibres and a polymeric resin comprising the steps of assembling HPPE fibres to a sheet, applying an aqueous suspension of a polymeric resin to the HPPE fibres, partially drying the aqueous suspension, optionally applying a temperature and/or a pressure treatment to the composite sheet wherein the polymeric resin is a homopolymer or copolymer of ethylene and/or propylene. The invention further relates to composite sheets obtainable by said method and articles comprising the composite sheet such as helmets, radomes or a tarpaulins.

Abstract: Far-infrared fibers, and components and uses of the same are provided. The far-infrared fibers can be used together with other optional fibers to provide a product containing far-infrared fibers. The product does not emit harmful radiation and could raise a user's body temperature safely to increase the volume and rate of the user's blood flow without affecting the blood pressure and pulse of the user. Furthermore, the product can be male underpants that can improve male sexual function without affecting the physiological state.

Abstract: A system for manufacturing purified shellac floss from crude shellac includes a spinner unit, and a rotatable head with a cavity to accommodate the crude shellac. A microwave generator unit is configured to supply microwave radiation to the spinner unit. A collection unit has a side wall and an end wall defining an interior volume and is configured to collect the purified shellac floss.

Abstract: An endovascular heart valve assembly includes an inner frame comprising a graft covering housing a prosthetic heart valve, an outer frame formed from a metallic material and defining a gridded configuration. A sealing material includes a plurality of radially extending fibers that extend outwardly of the outer frame. The plurality of radially extending fibers include first fibers extending from a first position relative to the outer frame and second fibers extending from a second position relative to the outer frame that is distally spaced-apart from the first position. The gridded configuration includes an uncovered open cell between the first position and the second position. The first fibers and the second fibers are configured to cooperatively form a seal when compressed within the aortic annulus. A length of the first fibers is greater than a height of the uncovered open cell.

Abstract: An endovascularly deployed prosthetic includes a portion for being positioned within an ascending aorta. The prosthesis includes a replacement aortic valve on a proximal end thereof. The prosthesis includes an increased diameter portion that seals against the aorta at a more distal portion, and a pair of conduits extend from the increased diameter portion to the coronaries for fluidly coupling the coronaries to the prosthesis.

Abstract: An apparatus for enrobing a product portion can include a polymer spray head arranged to direct a plurality of polymeric fibers in an upward direction and levitate product portions in a polymer enrobing zone above the polymer spray head. Polymeric fibers produced by the polymer spray head can wrap around the product portions levitated in the polymer enrobing zone to create an enrobed product. Side guide structure(s) and/or air knife(s) can be provided adjacent to the polymer enrobing zone to inhibit levitated product portions from falling out of the polymer enrobing zone and/or to guide levitated product portions along a desired path. Exemplary enrobed products include smokeless tobacco products.

Abstract: A method and apparatus for strong bonded wide joints for cryogenic applications. In one advantageous embodiment, an apparatus may comprise a three-dimensional preform and a plastic matrix. The plastic matrix may be impregnated in the three-dimensional preform to form a softening strip that may be capable of remaining flexible at a temperature at which a gas may have a liquid form.

Abstract: Items such as fabric-based items may include magnetic strands. Magnetic strands may be formed using extrusion equipment. To form single component magnetic strands, first and second feed hoppers may respectively feed a base polymer and a magnet masterbatch to an extruder. The magnet masterbatch may include particles of a rare-earth alloy or other magnetic materials in a polymer blend. The extruder may push the base polymer and magnet masterbatch through a spinneret. To form bicomponent magnetic strands, a first extruder may push a base polymer and magnet masterbatch through a first set of openings in a spinneret, while a second extruder may push an additional polymer through a second set of openings in the spinneret. Bicomponent magnetic strands may have a magnetic core and non-magnetic sheath, may have a non-magnetic core and magnetic sheath, or may have other suitable configurations.

Abstract: Disclosed are fibers comprising identification fibers which can be used for tracking and tracing fibers, yarns, fiber bands, and/or articles comprising the fibers through at least part of the supply chain. Each identification fiber exhibits at least one distinct feature. Each group of distinguishable identification fibers can exhibit a taggant cross-section shape, a taggant cross-section size, or combination of the same taggant cross-section shape and same taggant cross-section size. The distinct features and the number of fibers in each group of distinguishable identification fibers can represent at least one supply chain component of the fibers. The distinct features can be detectable in an article comprising the fibers.

Abstract: To provide a manufacturing method for a composite material, a manufacturing apparatus for a composite material, a preform, and a composite material, capable of molding a high quality composite material having a little constraint in the shape by improving moldability while suppressing a deviation of the arrangement of the reinforced fiber during preforming. A manufacturing method for a composite material 400 provided with a reinforcement 510 and resin 600 infused into the reinforcement, includes: an apply process (step S12) for applying an adhesive to the sheet-shaped reinforcement having first and second regions 511 and 512 such that a content density of the adhesive 520 of the second region is lower than that of the first region; and a preforming process (step S17) for preforming the reinforcement in a three-dimensional shape to form a preform such that the second region has a curvature larger than that of the first region.

Abstract: A mixed fiber spunbonded nonwoven fabric which comprises 90 to 10% by weight of a long fiber of thermoplastic resin (A) that has been hydrophilization-treated and 10 to 90% by weight of a long fiber of thermoplastic elastomer (B) and which has a strength ratio [the ratio of a strength at 20% of an elongation at a maximum strength (elongation at a maximum point) to the maximum strength] in at least one direction of not more than 40% and a bulk density of 0.10 to 0.40 g/cm3. The fabric can exhibit excellent initial hydrophilicity, long-lasting hydrophilicity, liquid dispersibility, liquid transpiration property, moisture permeability, breathability, softness, resistance to fluff, stretchability and touch, and low stickiness, and is suitable for sheets constituting absorbent articles such as sanitary napkins, panty liners, incontinence pads, and disposable diapers. A production method is also provided.

Abstract: A composite panel for use in applications such as mobile homes, boats, busses, RVs, or other panels used typically in transportation applications, where a single piece, water resistant, lightweight panel with patterned high-strength areas is needed. The composite panel generally includes internal preforms made of low-density material such as urethane foam, which create patterned structural portions of the panel during the molding process. The patterned structural portions are formed by a maze-like region within a mold, into which composite matrix material is infused. The patterned structural portions have high strength compared to the other regions of the panel, and can be used for structural support or for retaining fasteners for appliances, walls, etc.

Abstract: The separator production method in accordance with an embodiment of the present invention includes a coated article taking up step of taking up a separator original sheet by winding the separator original sheet on an outer peripheral surface of a core while oscillating the core in the rotation axis direction; a coated article winding off step of winding off the separator original sheet, which has been taken up in the coated article taking up step, from the core; and a transferring step of transferring the separator original sheet, which has been wound off in the coated article winding off step, such that a state of being distorted in a wavelike manner in the transverse direction is maintained.

Abstract: A method for producing fibers with improved color and anti-microbial properties is described. One embodiment includes a method for generating a halogen stable antimicrobial synthetic fiber, the method comprising creating a mixture that includes a polymer, an anti-microbial agent, and a non-halogen pigment, and extruding the mixture to form an anti-microbial synthetic fiber.

Abstract: A loudspeaker diaphragm includes resin and hollow glass member particles contained in the resin. Further, a loudspeaker includes the above-described loudspeaker diaphragm, a magnetic circuit, a frame connected to the magnetic circuit, and a voice coil body having one end connected to the loudspeaker diaphragm and the other end disposed inside a magnetic gap in the magnetic circuit.

Abstract: An apparatus for making a spunbond nonwoven from endless filaments of a thermoplastic synthetic resin has a spinneret for spinning the filaments in a filament-travel direction into a spinning zone and a monomer aspirator downstream of the spinneret and having two vacuum intake ports flanking the spinning zone zone, horizontally confronting each other, and each extending transversely to the direction opposite one another. Suction means connected to the two ports withdraws gas through both the vacuum intake ports. The suction and/or the ports are set up to vary the flow through the vacuum intake ports such that substantially more gas flows through one of the ports than through the other.

Abstract: According to one embodiment, a nanofiber manufacturing-apparatus nozzle head includes a plurality of holes. A solution is ejected from the holes. The holes are arranged from a center of the nozzle head toward an end portion of the nozzle head. An interval of adjacent holes decreases away from the center.

Abstract: A transmission cable may include a conductor core, an insulator layer surrounding the conductor core, and a shielding layer surrounding the insulator layer, wherein the shielding layer includes a carbon nanotube sheet material.

Abstract: A filter for use in safety air bags as employed in vehicles and the like comprises one or more compressed grooved wires, wherein the wire or wires have an outer diameter of about 0.010 to 0.050 inches and the grooves have a depth in the range of 0.001 to about 0.005 inches. A plurality of grooves, preferable about 10-14, of about 0.018 diameter stainless steel wire, having a depth of about 0.001 inches to about 0.0025 inches, are equally spaced about the periphery of the wire, which is cylindrical. The pitch of the groove spacing may differ for different implementations. The wire outer surface between grooves may have a radius, preferably about 0.0025 inches in a wire of about 0.018 inches diameter. A stainless steel wire is preferred, but other wire metals may be used according to a given implementation.

Abstract: The present invention relates to an aliphatic-aromatic copolyester resin composition with excellent hydrolysis resistance, wherein an unsaturated compound or an anhydride thereof is introduced into a molecular structure, and specifically, the aliphatic-aromatic copolyester resin composition can be manufactured into all molded products by extrusion, injection and the like, by solving problems with respect to physical properties, processability, reaction rates and water solubility of conventional biological resins.

Abstract: Compositions of P4HB with high purity have been developed. The compositions are prepared by washing P4HB biomass prior to solvent extraction, and precipitating P4HB from solution. The same solvent is preferably used to wash the P4HB biomass, and as a non-solvent to precipitate the polymer from a P4HB solvent solution. The highly pure P4HB compositions are suitable for preparing implants. The implants may be used for the repair of soft and hard tissues.

Abstract: A process of forming a non-woven web including spinning continuous polymeric filaments including one selected from a poly(phenylene ether) component, a poly(phenylene ether)-polysiloxane block copolymer, and combinations thereof. The filaments can have a length to diameter ratio that is more than 1,000,000, and a diameter ranging from 50 nanometers to 5 microns. The spinning can include passing a polymer through a spinneret having a plurality of orifices in a non-electrospinning environment. The process can further include chopping the plurality of continuous filaments and obtaining a plurality of chopped nano-fibers and forming the nano-fibers into a nonwoven web. The spinning can be conducted at a rate of at least 300 grams/hour/spinneret.

Abstract: A method for producing fibers with improved color and anti-microbial properties is described. One embodiment includes a method for generating a halogen stable antimicrobial synthetic fiber, the method comprising creating a mixture that includes a polymer, an anti-microbial agent, and a non-halogen pigment, and extruding the mixture to form an anti-microbial synthetic fiber.

Abstract: A transmission cable may include a conductor core, an insulator layer surrounding the conductor core, and a shielding layer surrounding the insulator layer, wherein the shielding layer includes a carbon nanotube sheet material.

Abstract: The present invention provides a tapered line production device and method for efficiently producing line of varying thickness. An additional aspect of the present invention is to employ a heat transfer media to provide a tapered fishing line production device and method that operates at high rates of production. Further, the device may be configured to create tapered fishing line with minimal transitional distances between tapered sections.

Abstract: A method of manufacturing multi-ply separable textured yarn, the method comprising, passing a multi-ply separable interlaced filament yarn through a texturizing unit to form a multi-ply separable draw textured yarn, wherein the multi-ply separable interlaced filament yarn is separable in to at least two separable interlaced filament yarn, wherein the interlacing of the filaments within each separable interlaced filament yarn is retained during further processing of the yarn to fabric and in the fabric.

Abstract: The present invention relates to a flame resistant thermal liner comprising a nonwoven sheet comprising nanofibers of a synthetic polymer having an limiting oxygen index of at least 21, a mean flow pore of 10 micrometers or less, a thickness air permeability of 25 to 6000 cubic feet per min?micrometers (12 to 2880 cubic meters per square meter per min?micrometers), and an average thickness T1; and a thermally stable flame resistant fabric attached to an outer surface of the nonwoven sheet, the fabric having an average thickness T2; a surface of the thermally stable fabric being in contact with a surface of the nonwoven sheet; wherein T1 and T2 are selected such that the ratio of T1 to T2 is less than 0.75. The invention also relates to a flame resistant composite fabric comprising the flame resistant thermal liner and a garment comprising this flame resistant composite fabric.

Abstract: A polyester, including ethylene 2,5-furandicarboxylateunits, also includes diethylene glycol residues, the content of which is less than 0.045, in moles per mole of 2,5-furandicarboxylate moieties. The polyester composition can be prepared with a method where a starting mixture is subjected to esterification of 2,5-furandicarboxylic acid or transesterification of an ester thereof with ethylene glycol in the presence of a basic compound and/or an ammonium compound capable of suppressing the formation of diethylene glycol.

Abstract: Disclosed is modified hydrogenated polysiloxazane prepared by reacting hydrogenated polysiloxazane with a silane compound selected from polysilane, polycyclosilane, and a silane oligomer. The modified hydrogenated polysiloxazane has a small mole ratio of nitrogen atoms relative to silicon atoms and may remarkably deteriorate a film shrinkage ratio when included in a composition for forming a silica-based insulation layer to form a silica-based insulation layer.

Abstract: The invention relates to a method for making granules from strands of a melt of a thermoplastic polymer material having the steps of creating and providing the melt of the material, discharging the material in multiple strands from a perforated plate, impinging the strands with an impinging flow fluid from an impinging flow nozzle, cooling the strands and dividing the strands into individual granules, wherein the strands are impinged by the impinging flow fluid only during discharge from the perforated plate, and wherein, as it is discharged from the impinging flow nozzle, the impinging flow fluid has a temperature above the melting temperature of the material and has a discharge velocity in the range from 50 m/sec to 300 m/sec; the invention also relates to a device for carrying out the method with an impinging flow device that can be pivoted by means of a pivoting joint.

Abstract: A cooling shirt is disclosed. The shirt is formed from a resilient fabric comprised of a first yarn of a first material and a second yarn of a second material twisted and knitted together. In one embodiment, the first yarn is formed from fibers have surfaces adapted to channel liquid from wet areas to dry areas and the yarn has pores adapted to permit evaporation of liquid vapor therethrough, and the second yarn is resilient and capable of being stretched at least 300% without deforming. The first yarn constitutes between 85% and 95% of the weight of the fabric with the second yarn constituting the remainder. In one embodiment the resilient fabric is capable of being resiliently stretched at least 40% in each of two perpendicular directions without tearing and returning immediately to its at-rest position. In one embodiment, the first yarn has a porosity of between approximately 20% and 45%.

Abstract: With regard to a filament winding device in which a plurality of fiber bundles are simultaneously wound around a liner, a tension detecting portion and a tension adjusting portion are miniaturized, the cost of the tension detecting portion and the tension adjusting portion is reduced, and the tension detecting portion and the tension adjusting portion are easily arranged. Provided is a filament winding device 100 that includes a tension adjusting portion 110 that collectively adjusts tension of a plurality of fiber bundles F unreeled from a plurality of bobbins B and an unreeling failure detecting portion 130 that individually detects the unreeling failure of the fiber bundles F on the bobbins B for each bobbin B.

Abstract: The present invention provides a tapered line production device and method for efficiently producing line of varying thickness. An additional aspect of the present invention is to employ a heat transfer media to provide a tapered fishing line production device and method that operates at high rates of production. Further, the device may be configured to create tapered fishing line with minimal transitional distances between tapered sections.

Abstract: A copolymer for use in 3D printing includes about 1 to about 30 mole percent of a diacid monomer unit, a diol monomer unit, and a terephthalate monomer unit, the copolymer having a glass transition temperature (Tg) in a range from about 50° C. to about 95° C.

Abstract: A device and a method for winding a roving onto bobbin tubes using a turret winding head is provided. The turret winding head has a turret base plate having a first and a second spindle that are held in the turret base plate and are provided for receiving the bobbin tubes. The turret base plate and the spindles are each provided with their own drive. The longitudinal axes of the spindles are aligned in the vertical direction.

Abstract: Embodiments disclosed include a woven stent and a method of manufacturing a woven stent that includes a plurality of first members and a plurality of second members forming a braided configuration; wherein each of the first members includes a first body portion, a first end unjoined portion, and a first end bent portion; wherein each of the second members includes a first end overlap portion extending alongside the first end unjoined portion. The woven stent may further includes a coating that encapsulates the first end unjoined portions and the first end overlap portions and/or the first end unjoined portions may be laser joined or ultrasonic joined to the first end overlap portions.

Abstract: The present invention relates to medical prostheses and methods of manufacturing those devices. In particular, the prostheses are temporarily stiffened meshes with particular coatings to provide initial stiffness and thereby permit easier surgical handling for treatment or reconstruction of soft tissue defects. Preferred embodiments include surgical meshes coated with one or more biodegradable polymers that can act as a stiffening agent by coating the filaments or fibers of the mesh to temporarily immobilize the contact points of those filaments or fibers and/or by increasing the stiffness of the mesh by at least 1.1 times its original stiffness. The devices of the invention can also provide relief from various post-operative complications associated with their implantation, insertion or surgical use.

Abstract: A melt blowing process comprising: (a) providing a thermoplastic polymer material that includes at least one or a plurality of polyester polymers and at least one or a combination of different meltable metal phosphinates; and (b) melt blowing the thermoplastic polymer material into at least one fiber or a plurality of fibers, with each fiber having a diameter or thickness that is less than about 10 microns. The metal phosphinate is in an amount that (a) reduces the viscosity of the polyester polymer and (b) functions as a crystallizing agent, which at least promotes crystallization of the polyester polymer, when the thermoplastic polymer material is melt blown into the at least one fiber. Non-woven and woven fibrous structures can be made using fibers made from this process.

Abstract: An islands-in-sea fiber includes island components and a sea component arranged to surround the island components, wherein the island components and the sea component are composed of at least two polymers and are provided on a fiber cross-section in a direction perpendicular to the fiber axis. The islands-in-sea fiber is a raw yarn for a combined filament yarn, which can be used to produce a cloth having good tension and drape and an excellent color-developing property. An islands-in-sea fiber in which at least two types of island components having different diameters are arranged on the same fiber cross section, the islands-in-sea fiber characterized in that at least one type of the island components have diameters of 10-1000 nm and have fluctuations in diameters of 1.0-20.0%.

Abstract: A method for melt spinning, stretching, and winding a multifilament thread to form an FDY-yarn as well as a device for performing the method are presented. Hereby, a plurality of filaments are first extruded from thermoplastic melt, cooled to a temperature below the glass transition temperature of the thermoplastic material, and gathered to form a filament bundle without adding a preparation fluid. The filament bundle is then drawn-off at a speed above 1,500 m/min., heated to have a temperature above the glass transition temperature of the thermoplastic material, and stretched at a drawing speed above 4,000 m/min. Preparation of the filament bundle with a preparation fluid and winding the thread to form a spool is then performed. The device has the preparation device arranged in a zone of the thread course between the drawing device and the winding device, in which the thread has a thread-running speed above 4,000 m/min.

Abstract: A method for producing an implant including the following steps is provided: —providing a core element having a first material; —providing a negative mold of the implant; —inserting the core element and at least one anchoring element made of a second material into the negative mold, wherein the second material is thermoplastic, —closing the negative mold and applying an elevated deformation temperature, wherein at the deformation temperature the second material is plastically deformable, viscous, or liquid and the first material is solid, —cooling the negative mold together with the core element and the anchoring element, and—removing the resulting implant from the core element and the anchoring element from the negative mold.

Abstract: A method of forming a reinforced tubular medical device in a continuous operation, and a medical device formed by the continuous method. An elongated core capable of movement about a line is provided. An elongated tubular member is formed around a moving length of the core by extruding a coating of a functionalized polymer around the moving core length, applying a reinforcing member to an outer surface of the functionalized polymer coating along the moving length, and extruding a polymeric outer jacket over the functionalized polymer and reinforcing member along the moving length, such that a bond is formed between the functionalized polymer and the polymeric outer jacket. The elongated tubular member is cut to desired length to form the tubular medical device, and the core is removed from the device.

Abstract: Disclosed herein is a nonwoven fabric comprising within the range of from 50 to 99 wt %, by weight of the composition, of a reactor grade propylene-?-olefin copolymer possessing within the range of from 5 to 35 wt %, by weight of the copolymer, of units derived from one or more of ethylene and/or C4 to C12 ?-olefins; a melt flow rate (230° C./2.16 kg) within the range of from 500 to 7500 g/10 min; and a weight average molecular weight of less than 200,000; and a second polypropylene having a melting point, Tm, of greater than 110° C. and a melt flow rate (230° C./2.16 kg) within the range of from 20 to 7500 g/10 min; wherein the fabric has a CD Elongation value of greater than 50% (measuring the fabric of 35 g/m2 basis weight). The fabric described herein can be used in structures comprising one or more layers of the fabric described herein, and can include any number of other fabric layers made from other materials.

Abstract: The present invention provides a producing method for the artificial peat moss from natural cellulose fiber. The producing method comprises following steps in successive order manner. Firstly, blend natural pulp with N-methylmorpholine N-oxide (NMMO) as dissolving solvent and 1,3-phenylene-bis 2-oxazoline (BOX) as stabilizer in proper mixing ratio to yield a preliminary quasi-dope. Secondly, stir and dehydrate the preliminary quasi-dope to form dope. Thirdly, spin the dope by dry jet wet spinning method to yield filament bundle of cellulose. Fourthly, orderly perform coagulating with regenerating, water rinsing, twisting with plying and cutting processes on the filament bundle of cellulose to yield a preliminary artificial peat moss of natural cellulose fiber. Finally, per drying process of post-treatment on the preliminary artificial peat moss of natural cellulose fiber to obtain final artificial peat moss of natural cellulose fiber of the present invention.

Abstract: A system for changing a dimension of manufactured composite material parts may comprise a male tool, a female tool, a removable material, and a retainable material. The male tool may include a convex outer surface configured to receive composite material placed thereon to form a new part. The female tool may include a concave inner surface configured to receive the male tool such that the outer surface of the male tool faces the inner surface. The removable material may be placed on the composite material in a first area corresponding to a wide area on a previously manufactured part where an outer dimension was measured to be greater than a designed value. The retainable material may be placed on the composite material in a second area corresponding to a narrow area on the previously manufactured part where the outer dimension was measured to be less than the designed value.

Abstract: The present invention relates to a method for manufacturing a connecting rod including: a) manufacturing an inner body; b) adding one end of the inner body to the end of the reduced outer diameter of each end piece, said end of the inner body resting on the shoulder of the end piece; (c) inserting a first portion of a second mandrel in the hollow cylindrical portion of each end piece and placing a driving bit at the free end of a second portion of the second mandrel; d) winding said pre-impregnated fibers onto the outer surface of an assembly consisting of the inner body, the end piece(s) and the second part(s) of the second mandrel(s) which are free of bits, said fibers then forming an outer body; e) after removing the bit(s), polymerizing the inner body and the outer body to form a polymerized integral body; f) removing the second mandrel(s) and cutting the polymerized integral body to the required length.

Abstract: A nonwoven web material that contains fibers formed by compounding at least one polymer with a tackifier is provided. The nonwoven web material can be used as a wipe or tack cloth and can exhibit a dust holding capacity of at least about 10 grams/m2 and a lint potential of less than about 5 fibers/cm2. In addition to containing a tackifier that is compounded with the polymer(s) used to form the fibers of the web, the nonwoven web material can be textured, post-bonded, apertured, or treated with elemental fluorine gas to further improve its dust holding capacity and minimize lint production. In addition, the nonwoven web material leaves minimal residue after contacting a surface.