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8157554 |
Rotary spinning electrode
The invention relates to the rotary spinning electrode of an elongated shape into the device for production of nanofibres through electrostatic spinning of polymer solutions comprising a pair of...
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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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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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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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7980838 |
Electric spinning apparatus for mass-production of nano-fiber
The present invention relates to an electrospinning apparatus for mass-production of nanofibers, particularly to an electrospinning apparatus with an electric stability and an improved nozzle...
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7967588 |
Fine fiber electro-spinning equipment, filter media systems and methods
Electrostatic fine fiber generation equipment such as for forming nano-fibers from polymer solution is provided. The fine fiber generation equipment includes a strand that may take the form of a...
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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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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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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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7740461 |
Apparatus and method for manufacturing polymeric fibrils
An electrospinning apparatus is described. The electrospinning apparatus has a rotary nozzle mechanism that moves simultaneously along a non-linear track for forming polymeric fibrils, so that the...
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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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7690904 |
Method and installation for producing a nonwoven fabric exhibiting good properties of tensile resistance
The invention concerns an installation for producing a nonwoven fabric comprising a spun bond lathe depositing a web of filaments on a first conveyor, the mat being consolidated on a first mobile...
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7690903 |
Forming head and process for the production of a non-woven fabric
The invention concerns a forming head for an apparatus for the production of a non-woven fabric by depositing fibers on a conveyor belt, comprising a fiber feeder which opens into a fiber...
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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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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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7600990 |
Electrostatic spinning apparatus
An electrostatic spinning apparatus includes a feeding device, at least one linear electrode, at least one collecting electrode, and a high-voltage power supply. The feeding device includes a tank...
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7568900 |
Apparatus for making a reinforced fibrous absorbent member
Apparatus for making a reinforced absorbent member includes a forming chamber adapted to contain a fluent fibrous material. A forming surface is moveable within the forming chamber along an arcuate...
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7553146 |
Apparatus for making air-laid structures
An apparatus for forming air-laid fibrous articles. The apparatus can have a core pocket. The core pocket can have a shield. The core pocket can further have a central opening defined by a void in...
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7549853 |
Apparatus for making air-laid structures
An apparatus for forming air-laid fibrous articles. The apparatus can have a core pocket operatively related with an air-distribution manifold that can apply different air pressures to different...
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7504060 |
Method and apparatus for the production of nonwoven web materials
The present invention provides a method of making a nonwoven web with desired fiber orientation, the method including the steps of providing a source of fibers, subjecting the fibers to an...
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7491354 |
Fiber distribution device for dry forming a fibrous product and method
A forming box for use in dry forming of a mat of fibrous material, and a forming method. The forming box comprises a housing with an open bottom providing direct access for fibers onto an...
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7354541 |
Method and device for making mineral fiber felts
The subject of the invention is a unit for manufacturing felts (6) which are formed from crosslinked mineral fibers, comprising at least one pair of conveyors formed by a lower conveyor (11) and an...
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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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7303708 |
Super absorbent distribution system design for homogeneous distribution throughout an absorbent core
A super absorbent distribution system for homogenous distribution throughout an absorbent core is disclosed. A super absorbent material is injected into a stream of absorbent fluff at an opposite...
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7297307 |
Absorbent member and a method of producing an absorbent member
The present invention relates to a method of producing an absorbent member comprising feeding a superabsorbent polyer and pul fiber both in the form of a dispersion in an air stream, depositing the...
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7244387 |
Apparatus and method for manufacturing an absorbent core
An apparatus and a method for manufacturing an absorbent core for an absorbent product containing a first material and a second material dispersed throughout at least a portion of said first...
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7232300 |
Method and apparatus for forming tow-based absorbent structures with a single casing sheet
An apparatus and method for forming tow-based absorbent structures having a single casing sheet are disclosed. The apparatus has a tow supply mechanism for providing tow material, a particulate...
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7157033 |
Method and apparatus for scarfing fibrous substrates
An apparatus for scarfing a fibrous web includes a rotatable scarfing roll with vacuum ports and an air moving source in fluid communication with the vacuum ports. The rotatable scarfing roll has a...
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7147446 |
Crosslinking agent application method and system
Methods and systems for applying crosslinking agent to a sheet of cellulose fibers are described. The method and system apply crosslinking agent to one or both sides of the sheet and results in a...
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7134859 |
Nits separator
A plant which serves to produce a nonwoven web of fibers out of a fibrous material, such a cellulose pulp. The plant comprises a hammer mill for defibrating the fibrous material and a forming head...
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7121818 |
System and method for absorbent core production
A system, method, and apparatus for preparing an absorbent core for use in absorbent garments is disclosed. The apparatus includes a funnel having a first end and a second end, the second end being...
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7096916 |
Method of manufacturing consolidated cellulosic panels with contoured surfaces and variable basis weight
A method and system for manufacturing a consolidated cellulosic article having first and second surfaces of a desired contour, a uniform density and variable caliper and basis weight are disclosed....
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7094373 |
Process and apparatus for air forming an article having a plurality of reinforced superimposed fibrous layers
A process and apparatus for air forming an article having a plurality of superimposed reinforced fibrous layers. The layers are formed in substantially discrete forming chambers by depositing...
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6997692 |
Composite veneer
The method and apparatus for forming composite wood products particularly composite veneer like products which may be intermediate products and laminated to form the final composite product....
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6982052 |
Process and apparatus for air forming an article having a plurality of superimposed fibrous layers
Process and apparatus for air forming an article having a plurality of superimposed fibrous layers. The layers are formed in substantially discrete forming chambers by depositing fibrous material...
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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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6923631 |
Apparatus for forming a resin impregnated flexible graphite sheet
A flexible graphite sheet exhibiting enhanced isotropy is provided. In addition, an apparatus, system and method for continuously producing a resin-impregnated flexible graphite sheet is also...
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6877970 |
Apparatus for making web comprising continuous fibers
An apparatus for producing a web of continuous fibers having a melt extruder, an endless belt running in one direction and a guide box located between the extruder and the belt. The guide box has...
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6863512 |
Apparatus and method for continuous formation of composites having filler and thermoactive materials, and products made by the method
An apparatus and method for continuously forming composites comprising filler materials and thermoactive materials, particularly waste cellulosic materials and waste thermoplastics, are described....
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6808664 |
Method of forming an air laid fibrous web
Method for forming an air laid fibrous web, wherein an air born fiber stream is laid on a web shaped forming member, such as a wire, and the air laid fibrous web is bonded together. The air laid...
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6776952 |
Method and apparatus for making flexible sheet products for absorbing liquids
An apparatus is provided for manufacturing a flexible sheet product having liquid absorbent qualities. The apparatus generally includes first and second competing vacuum systems pulling air in...
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6749413 |
Melt-blowing head for making polymeric material fibrils
A melt-blowing head for making polymeric material fibrils comprises at least a polymeric material inlet channel and melt-blowing die including a plurality of holes for extending fibrils therefrom...
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6726461 |
Screen pipe for dry forming web material
The invention relates to a screen pipe to be used in dry forming of web material in order to distribute fiber material blown into the screen pipe through a jacket (2) of the pipe onto a wire...
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6709254 |
Tiltable web former support
A support for a web forming machine which allows for vertical adjustment of a web forming belt with respect to at least one die head positioned above the web forming belt, and allows for tilting of...
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6709613 |
Particulate addition method and apparatus
A nonwoven web contains an even distribution of its composite materials by the separate application of particulate material such as superabsorbent particles into a forming head outside the air...
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6695605 |
Forming station with a compartmentalized chute
Forming station with a metering or dosing hopper, out of which flowable materials, especially chip and/or fiber-form materials are delivered to a spreading apparatus, by which a material fleece is...
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6679694 |
Forming station with a gravimetric dosing belt scale for wood chips and fibers
A spreading station for spreading chip or fiber panels, includes a dosing belt scale (2) to provided between a dosing hopper (1) and a spreading head (3). The dosing belt scale (2) is connected to...
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6660215 |
Plant for producing a web-shaped product of fibers and powder
This invention relates to a plant used to form an air-laid web of fibers and a powder on a running endless forming wire that is air-permeable and operates mainly horizontally, wherein the plant...
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