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8178015 |
Process and device for melt-spinning and cooling synthetic filaments
A process and a device involves melt-spinning and cooling synthetic filaments. Therein, a plurality of filaments is extruded from a polymer melt and, after the extrusion, is guided into a cooling...
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8137088 |
Device for depositing synthetic fibers to form a nonwoven web
The invention relates to a device for depositing synthetic fibers to form a non-woven web. The fibers are transported through a take-off nozzle by means of an air stream in the direction of a...
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8080197 |
Method for manufacturing filaments from an optically anisotropic spinning solution and air gap spinning device
The invention pertains to a method for manufacturing filaments from an optically anisotropic spinning solution in which the spinning solution is extruded through a spinneret including a spinning...
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8057205 |
Apparatus for manufacturing nonwoven fabric
The invention provides a method for manufacturing spun-bonded nonwoven fabrics that can reduce the diameter of a filament without decreasing productivity and can stably produce nonwoven fabrics,...
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8052407 |
Electrospinning in a controlled gaseous environment
Apparatus and method for producing fibrous materials in which the apparatus includes an electrospinning element configured to electrospin a substance from which the fibers are to be composed by an...
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8029259 |
Array of nozzles for extruding multiple cellulose fibers
An array of nozzles is disclosed for forming multiple cellulose fibers. Each nozzle has a longitudinal central axis and includes a tube with a cross-section having a diameter through which an...
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8029260 |
Apparatus for extruding cellulose fibers
An apparatus is disclosed for extruding cellulose fibers. The apparatus includes a first member, a second member and a third member all secured together. Multiple nozzles extend outward from the...
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8021137 |
Wire cooling water trough
The present invention generally relates to a cooling process and system that can be utilized in the manufacture of flexible elongate extruded materials, such as tubing or jacketed electrical wire...
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8017066 |
Method and apparatus for forming melt spun nonwoven webs
A method and apparatus for forming nonwoven melt spun webs by spinning a curtain of filaments into a pressurized chamber where they are contacted with pressurized quenching fluid, then using the...
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7951313 |
Spinning apparatus, and apparatus and process for manufacturing nonwoven fabric
A spinning apparatus comprising one or more exits for extruding liquid, and an exit for ejecting gas, located upstream of the exits for extruding liquid, wherein the apparatus comprises a columnar...
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7934917 |
Apparatus for electro-blowing or blowing-assisted electro-spinning technology
A spinneret format, an electric-field reversal format and a process for post-treatment of membranes formed from electro-spinning or electro-blowing are provided, including a cleaning method and...
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7931456 |
Electroblowing web formation
An improved electroblowing process is provided for forming a fibrous web of nanofibers wherein polymer stream is issued from a spinning nozzle in a spinneret with the aid of a forwarding gas...
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7931457 |
Apparatus for producing sub-micron fibers, and nonwovens and articles containing same
An apparatus for producing sub-micron fibers, and more specifically an apparatus for effecting formation of sub-micron fibers by fibrillation of polymer films, and nonwoven materials and articles...
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7901195 |
Attenuated fiber spinning apparatus
A fiber making device, fiber making method, and apparatus which incorporates a series of two or more stacked, thin circular die plates, two end plates and two enclosure plates, where all of the...
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7901614 |
Methods and apparatus for meltblowing of polymeric material utilizing fluid flow from an auxiliary manifold
Methods and apparatus for meltblowing utilize an auxiliary manifold to dispense a fluid between an orifice of a die that is expelling polymeric fibers and an exit of a duct that is dispensing a...
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7887728 |
Spinning pack for dry-wet spinning, diverting guide for fiber bundle, and apparatus and method for producing fiber bundle
A spinning pack for dry-wet spinning is provided with a spinneret having not less than 6,000 spinning holes and having an aspect ratio Ra of not less than 2.5 for a spinning hole array of the...
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7887311 |
Apparatus and method for electro-blowing or blowing-assisted electro-spinning technology
A spinneret format, an electric-field reversal format and a process for post-treatment of membranes formed from electro-spinning or electro-blowing are provided, including a cleaning method and...
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7845923 |
Spinning, drawing and texturing machine
A spinning, drawing and texturing machine for the production of curled threads includes a spinning unit and multiple machine modules associated with the spinning unit. Each of the machine modules...
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7802977 |
Apparatus for melt spinning and windup of synthetic yarn
An apparatus for melt spinning and winding up synthetic yarns comprising a spinning appliance, a treating appliance and a windup machine. The treating appliance comprises a runoff godet for guiding...
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7798795 |
Method and apparatus for forming a non-woven web by deposition of synthetic filaments
A method and apparatus for depositing synthetic filaments to form a non-woven web, wherein the filaments are drawn off from a spinneret through a drawing unit in a row-shaped arrangement using a...
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7794220 |
Apparatus for manufacturing oriented sheath-core type filaments
The object of this invention is to make possible the manufacturing of sheath-core type super microfilaments from sheath-core type filaments such as hollow filaments, optical filaments and conjugate...
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7762800 |
Apparatus for making a spunbond web
An apparatus for making a spunbond web has a deposition surface, a spinneret above the surface for producing filaments that move downward along a path toward the surface, and a cooling chamber...
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7762801 |
Electrospray/electrospinning apparatus and method
Apparatus and method for producing fibrous materials in which the apparatus includes an enclosure having an inlet configured to receive a substance from which the fibrous materials are to be...
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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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7727444 |
Apparatus and method for manufacturing nonwoven fabric
An apparatus includes a spinning nozzle, a fiber drawing device and a water spray device. The spinning nozzle has spinnerets and a spinning solution is filled therein. The spinning solution...
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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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7704062 |
Machine for the production of different quality nonwovens
A nonwoven production machine includes a spun-bond tower for extruding filaments and associated apparatus for forming the filaments into a web that is consolidated by water jets, a web that is...
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7690902 |
Nonwoven web forming apparatus
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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7687012 |
Method and apparatus to shape a composite structure without contact
A method and apparatus including means for delivery of at least one high speed composite stream of polymer fibers and secondary material. The method and apparatus also includes a movable collection...
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7682142 |
Device for melt spinning, treating and winding synthetic threads
A device for melt spinning, treating and winding synthetic threads includes a spinning unit, a treatment unit and a winding unit. The spinning unit, the treatment unit and the winding unit are...
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7682554 |
Method and apparatus to mechanically shape a composite structure
An apparatus for forming a shaped fibrous nonwoven structure including a delivery system adapted to provide a high speed composite stream comprising thermoplastic polymer fibers and a secondary...
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7621731 |
Rotary process for forming uniform material
A process is provided for issuing material from a nozzle in a rotor rotating at a given rotational speed wherein the material is issued by way of a fluid jet. The material can be collected on a...
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7614864 |
Ergonomic spinning system
The invention relates to a system for producing endless molded bodies from a molding compound. For producing the endless molded bodies, spinning means are used comprising an extrusion head through...
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7465159 |
Fiber charging apparatus
A fiber spinning apparatus for charging a polymer-containing liquid stream, having at least one electrically charged, point-electrode positioned adjacent the intended path of said liquid stream and...
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7438544 |
Melt-blow head with variable spinning width
Melt-blow head with a rectilinear row of nozzle bores arranged in a nozzle bar of a nozzle assembly, the nozzle bores serving to produce endless filaments formed from a melt, the nozzle bores being...
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7364681 |
Spinning device and method having cooling by blowing
The present invention relates to an apparatus for producing continuously molded bodies from a molding material, such as a spinning solution containing cellulose, water and tertiary amine oxide. The...
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7351052 |
Apparatus for producing nanofiber utilizing electospinning and nozzle pack for the apparatus
The apparatus for producing a nanofiber includes a supply unit (110) for supplying melted polymer for fiber material, a spinning unit (122) having several radiation nozzles (122) to which first...
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7322811 |
Apparatus for spinning and winding multifilament yarns
An apparatus for spinning and winding a plurality of synthetic filament yarns, and which includes a spinning device, a withdrawal godet downstream of the spinning device, and a takeup device which...
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7320581 |
Stabilized filament drawing device for a meltspinning apparatus
A stabilized filament drawing device for a meltspinning apparatus. The stabilized filament drawing device applies a high-velocity flow of air to attenuate the filaments, which are discharged from a...
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7316552 |
Low turbulence die assembly for meltblowing apparatus
An apparatus for forming meltblown material from a molten polymer includes a die configured with channels in the tip of the die through which molten polymer is extruded for forming meltblown...
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7300272 |
Fiber extrusion pack including split distribution plates
A fiber extrusion pack for extruding molten material to form an array of fibers includes a number of split distribution plates arranged in a stack such that each split distribution plate forms a...
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7241123 |
Apparatus for producing and winding synthetic multifilament yarns
An apparatus for producing and winding synthetic multifilament yarns, which has a spin unit 1 for melt spinning the yarns, at least one treatment unit 7 for treating the yarns, and a takeup unit 16...
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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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7172398 |
Stabilized filament drawing device for a meltspinning apparatus and meltspinning apparatus including such stabilized filament drawing devices
A stabilized filament drawing device for a meltspinning apparatus and a meltspinning apparatus including the stabilized filament drawing device. The stabilized filament drawing device applies a...
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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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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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7153115 |
Optical fiber cooling tube
An optical fiber cooling tube includes an internal cavity through which an optical fiber passes and a set of injection passages that are distributed along the tube, open into the cavity, and are...
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RE39399 |
Segmented die for applying hot melt adhesives or other polymer melts
A segmented die assembly comprises a plurality of side-by-side and separate units. Each die unit, includes a manifold segment and a die module mounted thereon. The manifold segments are...
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7090480 |
Method and apparatus for molding ceramic sheet
A method and an apparatus capable of extrusion molding a comparatively wide, thin ceramic sheet using a screw extruder while suppressing the wrinkling thereof. The molding apparatus includes a...
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