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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 )...
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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...
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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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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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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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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...
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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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6630096 |
Multi-stage forming drum commutator
A method and apparatus ( 20 ) for forming a fibrous web ( 50 ) includes a movable, foraminous forming surface ( 22 ) and a substantially stationary, vacuum-commutator duct system ( 24 ) which is...
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6630088 |
Forming media with enhanced air flow properties
A forming receptacle and method for receiving particulate material thereon, and thereby fabricating particulate congregates for use as absorbent cores in personal care absorbent articles is...
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6627130 |
Method and apparatus for geometric scarfing
A method and apparatus ( 20 ) for scarfing a fibrous web ( 22 ) can include a scarfing housing ( 24 ) which has been provided with a web entrance portion ( 26 ), a web exit portion ( 28 ), a...
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6620277 |
METHOD FOR THE PRODUCTION OF BINDER-BOUND MINERAL WOOL PRODUCTS, APPARATUS FOR CARRYING IT OUT, MINERAL WOOL PRODUCT THEREBY PRODUCED, COMPOSITE MINERAL PRODUCT THEREBY PRODUCED AND USE OF THESE PRODUCTS
Method for the production of binder-bound mineral wool products, in which mineral fibers are deposited on a production surface ( 13 ) to form a mineral wool web ( 12 ) and are compacted, and their...
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6616435 |
Apparatus of polymer web by electrospinning process
The present invention relates to an apparatus of polymer web by electrospinning process and manufacturing method thereof, which can manufacture porous polymer web using an electrospinning method....
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6604926 |
Apparatus for producing absorbent pads from a flock-air mixture
In an apparatus for and method of producing absorbent pads from a flock-air mixture which is fed through a feed conduit to a shaping recess carrier to form the respective absorbent pad, the carrier...
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6517753 |
Method and device for forming a mat of particle board
A method and a device for continuous forming of a mat of particle lignocellulosic material by means of a batching unit ( 12 ) with a distribution chamber ( 15 ) in connection with the manufacture...
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6499981 |
Drawing unit
A drawing unit including two or more slits extending in a widthwise direction of a collecting conveyor, each slit including an inlet for sucking groups of filaments pushed out from a spinneret, a...
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6499982 |
Air management system for the manufacture of nonwoven webs and laminates
An air handler for collecting air discharged from a melt spinning apparatus. The air handler includes an outer housing having walls defining a first interior space. One of the walls has an intake...
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6468063 |
Cold drawing apparatus
A cold drawing apparatus is interposed in a system for making a fibrous web and has an inlet for a plurality of melt spun continuous filaments, an outlet for the filaments and a pair of side walls...
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6422848 |
Modular meltblowing die
A meltblowing die includes a die tip having an outwardly projecting triangular nosepiece defining an apex therealong, a row of hot melt holes spaced along the apex, and air holes positioned in...
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6409856 |
Apparatus for smoothing out the surface weight distribution of mats
An apparatus is described for smoothing out the surface weight distribution of one or multilayer mats containing lignocellulose and/or cellulose with a binding agent dispersed therein for...
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6402492 |
Apparatus for producing spun bond
An apparatus for producing a spun-bond web with a spinneret located above the upper pass of an endless collecting sieve belt below which a suction is generated through an elongated slot extending...
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6399001 |
Procedure for the fabrication of a blank for a structural product
Procedure for the fabrication of a blank for a structural product, such as a blank for a structural board, from material ( 1 ) comprising longer (L) and shorter (S) particles and possibly also...
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6386260 |
Apparatus for providing a web of thermoplastic filaments
An apparatus for providing a uniform web of filaments comprises tube filament transport means exiting through a confined zone of reduced turbulence, which preferably comprises a delivery slot. The...
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6379136 |
Apparatus for production of sub-denier spunbond nonwovens
A unique isotropic sub-denier spunbond nonwoven product created by an apparatus comprising a unique multi-head resin metering system, a spinneret head with spinning sections, separated by a quench...
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6358461 |
Method of manufacture of nonwoven fabric
A method of manufacture of a nonwoven cellulose fabric is disclosed. The fabric is made from fibers formed by extrusion of a solution of cellulose through a spinning jet. The extruded fiber is...
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