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8177539 |
Device for melt spinning multicomponent fibers
A device for melt spinning multi-component fibers including at least two melt inlets for introducing separately guided melt components is presented. The device includes a feed plate having a...
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7988439 |
Nozzle block for electrospinning
Disclosed is a nozzle block for electrospinning which is able to simultaneously electrically spin two or more different types of polymer spinning dopes, wherein a single-layer distribution plate...
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7951315 |
Polyvinyl chloride fiber for artificial hair, manufacturing and apparatus of the same
The present invention is to provide a polyvinyl chloride (PVC) fiber for artificial hair. The PVC fiber is manufactured by melt spinning a PVC resin composition with a nozzle, wherein the nozzle...
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7740777 |
Method and apparatus for producing polymer fibers and fabrics including multiple polymer components
A spunbond system for manufacturing a non-woven web of fibers includes a spin beam assembly configured to process and deliver a plurality of polymer streams for extrusion through spinneret...
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7722347 |
Apparatus and die cartridge assembly adapted for use therewith, and process for producing fibrous materials
Apparatus (100, 101, 102) and die cartridge assembly (18, 44, 45, 47) adapted for use with same for producing fibrous material (212). The apparatus (100) comprises a removably attachable die...
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7637730 |
Non-round spinneret plate hole
The present invention concerns a spinneret plate (1) for manufacturing a nonwoven fabric, having multiple non-round holes, which are similar to trilobal or multiarmed holes (3) in particular, for...
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7393195 |
Hollow-fiber spinning nozzle
A hollow fiber spinning nozzle in which supply bores and a nozzle structure connected to these and having a mass discharge opening and a needle with a coagulation agent bore are formed in a base...
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7291003 |
Micromachined spinneret
A micromachined spinneret is disclosed which has one or more orifices through which a fiber-forming material can be extruded to form a fiber. Each orifice is surrounded by a concentric annular...
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7270531 |
Assembly for use in continuously forming one or more lengths of noise attenuating flexible cutting line for use in rotary vegetation trimmers
An assembly for use in continuously forming a plurality of lengths of flexible noise attenuating cutting line for use in rotary vegetation trimmers. The assembly includes a breaker plate having a...
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7210914 |
Series apparatus for forming layered fibrous mat of differing fibers and controlled surfaces
An arrangement for forming a web of fibrous media wherein at least one formed layered portion is attenuated from a first die source selectively unto a first collector and successively combining...
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7192550 |
Method and apparatus for spinning a web of mixed fibers, and products produced therefrom
A device and method for spinning polymer fibers utilizes one or more independent sources of polymer materials, pumps for feeding polymer material from each of the sources, and a series of...
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7175407 |
Linear flow equalizer for uniform polymer distribution in a spin pack of a meltspinning apparatus
A linear flow equalizer for distributing thermoplastic material to a spin pack of a meltspinning apparatus that provides for uniform apportionment of a flow of a flowable thermoplastic material at...
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7168932 |
Apparatus for nonwoven fibrous web
Disclosed is an apparatus for producing nonwoven fibrous webs. The apparatus comprises an extrusion die, first and second fluid supplies in cooperation with the die, first and second extrusion...
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7168473 |
Apparatus for making a nonwoven synthetic-resin web or fleece
A web or fleece of synthetic resin strand collected on a sieve belt is discharged from the sieve belt into further processing equipment over a rerouting roller at the discharge end of the sieve...
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7160091 |
Device for the production of multicomponent fibers or filaments, in particular bicomponent fibers or filaments
Device for the production of multicomponent fibers or of filaments, in particular bicomponent fibers, whereby a nozzle block assembly is provided. The assembly consists of a middle nozzle block and...
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7150616 |
Die for producing meltblown multicomponent fibers and meltblown nonwoven fabrics
A die tip adapted for extruding a plurality of meltblown multicomponent filaments that includes at least two series of conduits that extend and converge in to the interior of the die tip to convey...
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7033154 |
Lamellar extrusion die apparatus and method
A lamellar die apparatus for extruding a heated liquid into single or multiple component filaments. The apparatus includes a plurality of plates each having opposite side faces. At least two of the...
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7033153 |
Lamellar meltblowing die apparatus and method
A lamellar die apparatus for extruding a heated liquid into filaments and directing air at the filaments. The apparatus includes a plurality of plates each having opposite side faces. At least two...
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7014442 |
Melt spinning extrusion head system
The present invention provides a series of plates for distributing a molten polymer composition, the series of plates includes at least two plates: a first plate that includes an upper surface, a...
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7008207 |
Apparatus for making multicomponent meltblown fibers and webs
An extrusion die for meltblowing molten polymers having a row of die orifices each having at least two separate polymer supply ports entering from an entrance portion of the die, each of the...
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6908294 |
Apparatus for forming a layered fibrous mat of varied porosity
An arrangement for producing a fibrous mat from a heated die source wherein the produced mat includes a first layered, preselected fiber portion of substantially straight fibers produced by...
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6837698 |
Multilayer coextrusion die and method
The invention is an extrusion device comprising an interleaving block portion. The interleaving block portion includes at least two first chambers, each first chamber including a width, a length, a...
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6814555 |
Apparatus and method for extruding single-component liquid strands into multi-component filaments
A melt spinning apparatus includes fiber producing features to produce multi-component filaments by extruding two or more single-component strands that combine after extrusion and are then...
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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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6626657 |
Spinneret holder assembly for producing a continuous plastic multiple-component yarn with a preset component ratio
A spinneret holder assembly for producing a continuous plastic multiple-component yarn with a preset component ratio, comprising in a mutually superimposed arrangement: a plate for conveying a...
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6627025 |
Method and apparatus for extruding easily-splittable plural-component fibers for woven and nonwoven fabrics
A spinneret 20 for producing easily splittable plural-component fibers includes two passages 22 and 26 for respectively delivering two incompatible polymers (A and B) to two sets of inclined...
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6607374 |
Apparatus for constant diagonal heterofil spinneret hole layout
An apparatus for spinning bicomponent sheath/core filaments such that the filaments are uniformly quenched. The apparatus includes a distributor plate, and spinneret and a shim position between the...
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6554599 |
Apparatus for spiral-boss heterofil spinneret
An apparatus to increase the orifice density in a spinneret by using an elongate boss having a plurality of orifices. The apparatus is for spinning bicomponent sheath/core filaments. The apparatus...
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6551088 |
Apparatus for spinning hollow bicomponent filaments
An apparatus for spinning hollow bicomponent filaments. The apparatus includes a distributor, a spinneret having holes and a shim having openings fixed between the distributor plate and the...
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6491507 |
Apparatus for meltblowing multi-component liquid filaments
An apparatus for meltblowing multiple types of liquid materials into multi-component filaments. A pair of outer manifold elements sandwich an intermediate manifold element. Respective channels are...
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6478563 |
Apparatus for extruding multi-component liquid filaments
An apparatus for extruding multiple types of liquid materials into multi-component filaments. A pair of outer manifold elements sandwich an intermediate manifold element. Respective channels are...
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6474967 |
Breaker plate assembly for producing bicomponent fibers in a meltblown apparatus
A die head assembly for producing meltblown bicomponent fibers in a meltblown apparatus includes a die tip detachably mounted to an underside of a support member. The die tip has a row of channels...
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6461133 |
Breaker plate assembly for producing bicomponent fibers in a meltblown apparatus
A die head assembly for producing bicomponent meltblown fibers includes a die tip detachably mountable to a support member. The support member conveys first and second polymers separately to the...
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6392007 |
Multi-pixel liquid streams, especially fiber-forming polymeric streams, and methods and apparatus for forming same
At least two different liquid streams are sub-divided into a dense plurality of individually separated parallel pixels oriented in respective misregistered arrays. Therefore, an individual pixel of...
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6361736 |
Synthetic fiber forming apparatus for spinning synthetic fibers
A synthetic fiber forming apparatus is disclosed for the manufacture of a variety of synthetic fibers at an improved rate of efficiency and uniformity. The synthetic fiber forming apparatus...
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6241503 |
Spin pack for spinning multiple component fiber yarns
A composite yarn formed of at least two different individual polymeric fibers may be spun by directing at least two streams of different polymer melts (e.g., polymer melts of different colors...
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6234778 |
Device for spinning of solutions of cellulose carbamate
The invention is an apparatus for spinning solutions of cellulose carbamate by extruding the solution through a spinneret into a precipitation bath, coagulating the cellulose carbamate fibers thus...
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6170298 |
Glass spinner with partitioned spinning head
A fiberizer has a spinning head that is partitioned to create separate extrusion zones for fiber formation. Molten feed stock is allocated between the zones to promote a greater formation of fiber...
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6168409 |
Apparatus for making two component fibers or continuous filaments using flexible tube inserts
Apparatus for making two component fibers or continuous filaments which includes a pre-die plate having first openings through which a component flows to aligned second openings in a die juxtaposed...
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6128929 |
Multi-component fiberizing disk
A multi-component fiberizing disk for fiberizing a molten fiberizable material in a rotary fiberization process includes: an annular sidewall having fiberizing holes therein through which a molten...
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6120276 |
Apparatus for spinning core filaments
Core filaments for the formation of a fleece are formed in a spinneret assembly which has a wide slit extrusion die provided with two outlet slits for different thermoplastic synthetic resins....
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6053719 |
Apparatus for the manufacture of a spun nonwoven fabric
The apparatus for manufacturing the nonwoven fabric contains at least one, and may contain up to forty or more, spinneret devices, such as rectangular spinneret plates or round spinneret disks. The...
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5989004 |
Fiber spin pack
There is provided in accordance with the present invention a spin pack for filaments that contains one or more electroformed plates. The invention additionally provides a process for producing a...
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5922477 |
Photochemically etched plates for synthetic fiber-forming spin packs and method of making same
Relatively thin (e.g., thickness of less than about 2.5 mm, and typically no greater than about 1.0 mm) plates for synthetic fiber-forming spin packs include a first metal layer exhibiting a...
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5911224 |
Biodegradable polyvinyl alcohol tobacco smoke filters, tobacco smoke products incorporating such filters, and methods and apparatus for making same
A porous element particularly for use as a tobacco smoke filter plug in association with a cigarette or the like wherein the matrix comprises a multiplicity of biodegradable polyvinyl alcohol...
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5869107 |
Fabrication machine of optical fiber
In a fabrication machine of sea island type optical fiber having a plurality of wings by spinning, when a sea part polymer is insufficiently supplied into space between the adjacent wings to cause...
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5869106 |
Apparatus for making two-component fibers
In an apparatus for making two-component fibers, a polymer which is supplied laterally with respect to a further polymer and a die, is at first distributed inside cross-channels provided in a...
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5851562 |
Instant mixer spin pack
A multiplate spin pack receives metered molten polymer and metered amounts of additive components selectively proportioned to produce desired characteristics in extruded fiber. The additive...
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5792497 |
Method and apparatus for producing twisted string cheese products
A cheese processing machine includes an extruder assembly for forming the cheese into a string. The disclosed assembly has two extruders each forcing a different type of cheese in a plastic state...
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5785996 |
Fiber manufacturing spinner and fiberizer
A fiber manufacturing apparatus including a spinner, mounted on one end of a rotatable shaft, and a source supplying two streams of at least one molten thermoplastic material to the spinner. The...
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