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6984350 |
Method of and apparatus for manufacturing a web having filaments aligned in a transverse direction
An apparatus for manufacturing a transversely aligned web has a spinning device provided with a plurality of nozzles for extruding molten polymer as filaments, and a conveyor on which the filaments...
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6969484 |
Manufacturing method and device for electret processed product
A manufacturing method of an electret processed product, comprising the steps of allowing a section nozzle ( 22 ) to come into contact with a nonconductive fiber sheet (S) so as to cross in the...
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6967057 |
Poly(trimethylene dicarboxylate) fibers, their manufacture and use
A process for preparing poly(trimethylene terephthalate) fibers including (a) providing a poly(trimethylene terephthalate) composition comprising about 0.05 to about 10 weight % ionomer and (b)...
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6942106 |
Wound polypropylene yarn filter cartridge and method for making same
A filter cartridge formed of wound polypropylene yarn lacking a spin-finish and method of making same are disclosed herein. The method includes the steps of: providing a filter core; providing a...
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6926854 |
Process of making polyester fine denier multifilament
Manufacturing method for polyester fine denier multifilament. The length of a protective delay shroud of the radial outer-flow quenching system used in melt spinning process for manufacturing fine...
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6923925 |
Process of making poly (trimethylene dicarboxylate) fibers
A process for preparing poly(trimethylene dicarboxylate) multifilament yarns and monofilaments. One process for preparing poly(trimethylene dicarboxylate) multifilament yarns includes (a) providing...
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6921504 |
Process of making flame retarding polypropylene fiber
A method for producing a flame retarding polypropylene fiber having both good flame retardancy and good fiber strength, and which generates no toxic gas, includes mixing 0.4% by wt. or more of a...
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6921803 |
Poly(trimethylene terephthalate) fibers, their manufacture and use
A process for preparing poly(trimethylene terephthalate) fibers comprising (a) providing a poly(trimethylene terephthalate) composition comprising about 0.05 to about 5 mole % tetramethylene...
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6918411 |
Ribbon and method for production thereof
A method and a device for the production of a ribbon are provided. The method may be performed on a narrow fabric needle loom and may include repeating the following steps: picking a weft thread (...
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6913720 |
Non-woven fabric with flame retardant properties and method of making same
A non-woven fabric which consists of a blend 75% to 95% by weight of polypropylene based fibers and 5 to 25% by weight of polyester based fibers. The polypropylene fibers are extruded from a melt...
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6911174 |
Process of making multicomponent fiber incorporating thermoplastic and thermoset polymers
The present invention provides a multicomponent fiber containing at least two polymer components arranged in distinct zones or segments across the cross-section of the fiber wherein at least one...
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6908579 |
Process for making a yarn having a spin finish
A spin finish which enhances yarn processability and contributes to improved yarn performance. The spin finish is advantageous when compared with conventional spin finishes applied to industrial...
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6899941 |
Reinforced article and method of making
A fabric for providing reinforcement and the like which is made from a two dimensional flat fabric which includes portions that the warp and weft fibers are interlocked together and portions that...
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6899836 |
Process of making polyamide filaments
The present invention relates to methods for making polyamide filaments, such as nylon 6,6, having high tensile strength. The invention also relates to yarns and other articles formed from such...
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6896843 |
Method of making a web which is extensible in at least one direction
A method includes the steps of co-extruding a first component and a second component. The first component has a recovery percentage R 1 and the second component has a recovery percentage R 2 ,...
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6887410 |
Parallel spinning process involving the intermingling of threads between galettes and a corresponding spinning installation therefor
A parallel spinning process, in particular for filaments, e.g. for textile or industrial applications, made from polymers such as, for example, PET or PA, in each case having a thread interlacing...
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6887423 |
Process for making a stretchable nonwoven web
A process for preparing nonwoven webs including multiple component continuous filaments having high levels of three-dimensional helical crimp utilizing draw rolls to provide a high degree of...
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6887411 |
Method for producing polyester blended yarn
A polyester blended yarn giving a woven or knitted fabric exhibiting a swollen touch and a high grade texture is stably obtained by melt-spinning a polyester including A including a substrate...
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6881375 |
Method of forming a 3-dimensional fiber into a web
A method includes the steps of co-extruding a first component and a second component. The first component has a recovery percentage R 1 and the second component has a recovery percentage R 2 ,...
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6872352 |
Process of making web or fiberfill from polytrimethylene terephthalate staple fibers
The invention relates to webs or batts including polytrimethylene terephthalate crimped staple fibers and fiberfill products comprising such webs and batts, as well as the processes of making the...
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6872339 |
Apparatus and method for the melt spinning and depositing of a plurality of tows
A device and a method for the melt spinning and depositing of a plurality of tows ( 5.1, 5.2, . . . , 5. n ) utilizes several spinning devices ( 1.1, 1.2, . . . , 1. n ) by means of which one of...
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6861480 |
Yarn-forming composition of polyamide and sulfonated acid dye disabler
An acid dye stain-resistant fiber-forming polyamide composition comprising a fiber-forming polyamide and a reagent, at least a portion of which associates with free acid dye sites in the polyamide,...
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6861025 |
Attenuating fluid manifold for meltblowing die
Melt blown nonwoven webs are formed by supplying attenuating fluid to a meltblowing die through an attenuating fluid distribution passage whose distribution characteristics can be changed while the...
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6858169 |
Process of making a dimensionally stable yarn
A product includes a dimensionally stable polymeric multifilament yarn having a decitex per fiber count DPF of at least 7.5 and a fatigue strength retention FR, wherein preferred yarns are spun and...
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6846450 |
Method for making a nonwoven web
Melt blown or spun bond nonwoven webs are formed by flowing fiber-forming material through a die cavity having a substantially uniform residence time and then through a plurality of orifices to...
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6838043 |
Method for the production of a synthetic leather
A synthetic leather made of a nonwoven fabric impregnated and/or coated with a polymer, with a surface weight of 100 to 500 g/m 2 , and a tensile strength greater than 300 N/5 cm in the lengthwise...
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6835339 |
Process for preparing poly(trimethylene terephthalate) tetrachannel cross-section staple fiber
Poly(trimethylene terephthalate) tetrachannel cross-section staple fibers, as well as yarns, fiberfill webs, batts and products, and fabrics made therewith. Also, the process of making such staple...
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6824717 |
Method for melt spinning filament yarns
A method of melt spinning a group of multifilament yarns ( 1 ) from a polymer melt, wherein each group of yarns ( 10 ) is formed from a plurality of filaments ( 4 ) that are extruded through a...
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6824729 |
Process of making a nonwoven web
A method of preparing a nonwoven web that has substantially continuous synthetic fine fiber includes preparing an aqueous amide crosslinked polymer solution. The solution is extruded through a die...
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6824733 |
Meltblowing apparatus employing planetary gear metering pump
Melt blown nonwoven webs are formed by supplying fiber-forming material to a planetary gear metering pump having a plurality of outlets, flowing fiber-forming material from the pump outlets through...
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6811638 |
Method for controlling retraction of composite materials
The present invention provides a process for heat treatment of non-woven composite elastic material including a non-woven elastic layer; a non-woven gatherable layer. The process includes...
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6805824 |
Process for manufacturing a porous drainage medium
In a process for making a porous drainage medium composed of entangled strands of thermoplastic resin, subsequent to forming a tubular preform, the preform is formed with necked-down sections at...
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6803013 |
Process of making a meltblown web
The present invention relates to an apparatus and method for forming meltblown material with a die assembly. The die may further include a die tip and a heating element positioned relative to the...
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6803000 |
Process of making yarn from two types of polyester
A soft stretch yarn produced by spinning yarn of conjugate fibers including two types of polyester in which one component is PTT at a take-up velocity of at least 1200 m/min, drawing at a drawing...
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6797208 |
Golf club shaft with variable density tip plug
A golf club and a primarily non-metallic golf shaft that has an overall light weight are provided. The shaft has a weighting plug located to provide a swingweight similar to a typical steel shafted...
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6797226 |
Process of making microcreped wipers
A method for forming a wiping product. In particular, the wiping product contains a fabric formed from a nonwoven web that is bonded by microcreping at least one side of the web. The nonwoven web...
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6787081 |
Manufacturing method for differential denier and differential cross section fiber and fabric
A manufacturing method for differential denier and differential cross section fiber and fabric is provided, wherein the method comprising melting two polymers having different alkali dissolution...
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6783722 |
Apparatus and method for producing a nonwoven web of filaments
Spunbond nonwoven fabrics are produced with an apparatus which comprises a spinnerette having a plurality of orifices for extruding filaments; an attenuator for receiving and attenuating the...
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6780358 |
Manufacturing method for polyester yarn excellent in yarn transferring, packaging and loosing with no white powder occurred when weaving and polyester yarn made from the same
Provide a manufacturing method for polyester yarn excellent in yarn transferring, packaging and loosing with no white powder occurred when weaving, which is heating polyester polymer of inherent...
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6780357 |
Splittable multicomponent polyester fibers
Mechanically divisible multicomponent fibers have at least a component including poly(lactic acid) polymer and at least a second component including at aromatic polyester. The multicomponent fibers...
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6776943 |
Methods for making morphologically stable bulked continuous filaments
BCF yarn is melt-spun, drawn and textured to provide morphologically stable BCF yarns. The yarn texturizing includes a relatively low efficiency fluid jet texturizer, that is a fluid jet texturizer...
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6776951 |
Method of making electret fibers
A method of making electret fibers, which method comprises: extruding a polymeric material to create fibers; and imparting an electric charge to the fibers; wherein the resulting fibers have a...
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6770365 |
Polytrimethylene terephthalate filament yarn and process for its production
A polytrimethylene terephthalate (PTT) filament yarn capable of being produced by a high speed spinning method and having a high residual elongation and excellent draw-false twisting processability...
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6767498 |
Process of making microfilaments
Thermally divisible multicomponent fibers ( 4 ) having at least a first component including an elastomeric polymer ( 6 ) and at least a second component including a non-elastomeric polymer ( 8 )....
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6764623 |
Process of making polyester filamentary yarn for tire cords
Polyester multi-filamentary yarn, useful as tire reinforcement, is produced by melting polyester resin at 290° C. or below including at least 90 mol % of polyethylene terephthalate with intrinsic...
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6756000 |
Process of making multifilament yarn
The present invention is directed to processes for the manufacture of multifilament yarn, including the steps of extruding multifilaments of a polymer containing at least mole 85 percent L-lactide...
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6753385 |
Fiber-forming polyamide and sulfonated acid for disabling acid dye sites
An acid dye stain-resistant fiber-forming polyamide composition comprising a fiber-forming polyamide and a reagent, at least a portion of which associates with free acid dye sites in the polyamide,...
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6740270 |
Spin draw process of making partially oriented yarns from polytrimethylene terephthalate
This invention is a spin draw process for making partially oriented yarn from polytrimethylene terephthalate (PTT) which comprises the steps of: (a) extruding and spinning PTT in forming a...
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6737004 |
Process of making splittable microfiber substrate
A microfiber substrate of improved carding ability and its manufacturing method, and more particularly a micro-fiber spun by conjugated melting of crystallization difference of high crystallization...
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6737009 |
Process and system for producing multicomponent spunbonded nonwoven fabrics
A system and process for producing spunbond nonwoven fabric in which two or more polymeric components are separately melted and are separately directed through a distribution plate configured so...
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