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6797101 |
Method 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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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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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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6776858 |
Process and apparatus for making multicomponent meltblown web fibers and webs
A process for forming multiple component meltblown fibers by extruding a first distinct melt-processable polymer through a row of first extrusion orifices, simultaneously extruding a second...
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6773531 |
Process and apparatus for making multi-layered, multi-component filaments
The present invention is directed to a process for forming a plurality of multi-layered filaments from multiple thermoplastic synthetic polymers and an apparatus containing a melt spinning beam...
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6770156 |
Apparatus and method for the manufacture of nonwoven webs and laminate
Nonwoven laminates are made by a multi-station line comprising at least one spunbond die assembly and at least one meltblowing die assembly. Each station includes (a) a melt spinning die which can...
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6770356 |
Fibers and webs capable of high speed solid state deformation
The present invention relates to an intermediate web comprising of high glass transition polymer fibers. The fibers are spun at low to moderate speeds and have a relative crystallinity of from 10%...
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6743270 |
Filter and manufacturing method thereof
A filter portion of a filter includes a plurality of bag-like members. The bag-like members are formed in a container shape having an opening and disposed with intervals therebetween. The periphery...
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6743274 |
Filter and production method thereof
A seal member is attached to a peripheral edge portion of a filter body by being fused to semi-melted fibers that form the filter body when the semi-melted fibers are layered over a forming...
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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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6736916 |
Hydraulically arranged nonwoven webs and method of making same
A process of forming a nonwoven fabric is disclosed which comprises the steps of forming a precursor web of multicomponent substantially continuous filaments, exposing the precursor web to a...
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6736914 |
Series arrangement 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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6709996 |
Crimped multicomponent filaments and spunbond webs made therefrom
Spunbond multicomponent filaments and nonwoven webs made from the filaments are disclosed. In accordance with the present invention, the multicomponent filaments contain a crimp enhancement...
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6706808 |
Binder compositions exhibiting reduced emissions
The presently disclosed invention relates to a phenolic binder comprising a premix of a urea modified phenol-formaldehyde resole resin, a curing agent, and an additive selected from the group...
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6692601 |
Method and apparatus for production of sub-denier spunbond nonwovens
A unique isotropic sub-denier spunbond nonwoven product created by an apparatus and method comprising a unique multi-head resin metering system, a spinneret head with spinning sections, separated...
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6679790 |
Oriented thermoplastic elastomer thread wound golf ball
A new, novel and useful Oriented Thermoplastic Elastomer Thread Wound Golf Ball providing improved combinations of good spin for ball control on iron or wedge shots while providing for higher...
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6647140 |
Spectrum inverter apparatus and method
A spectrum inverter receives optical values from a scanning device and applies a spectrum inversion method to the optical values. The spectrum inversion method is selected based on a medium...
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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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6623585 |
Coalesced multifilament spandex and method for its preparation
The present invention provides a process whereby high quality, well-coalesced spandex can be made by dry-spinning a high-melting thermoplastic polyurethane, bundling the as-spun filaments into a...
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6613260 |
Process for making elastically stretchable composite sheet
A composite web including an elastically stretchable web and an inelastically stretchable web bonded together is stretched on a course defined between at least two nip roll pairs to obtain an...
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6607624 |
Fiber-forming process
A new fiber-forming method, and related apparatus, are taught in which extruded filaments of fiber-forming material are directed through a processing chamber that is defined by two parallel walls,...
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6605170 |
Synthetic decorative grass simulating spanish moss and method for making same
Curled decorative grasses and methods for producing same are disclosed wherein the curled decorative grasses have improved bulk and simulate Spanish moss in color and appearance.
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6592697 |
Method of producing post-crepe stabilized material
A stabilized creped nonwoven web and a method for producing the same, wherein a creped nonwoven web is thermally stabilized, for example by through-air-bonding or embossing, to produce the...
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6572919 |
Crosslinkable cellulosic fibrous product
A crosslinkable cellulosic fibrous product that includes cellulosic fibers and a crosslinking agent is disclosed. The crosslinkable cellulosic fibrous product can be formed as a web or sheet that...
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6562170 |
Method of producing film having a cloth-like look and feel
A method for producing a film with attached fibrils having a cloth-like look and feel. A flocking or metering device is provided for dispensing a layer of the fibrils. The fibrils are next...
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6521555 |
Method of making media of controlled porosity and product thereof
A method of making a non-woven fibrous media, combining high vapor permeability and low liquid permeability, includes the steps of providing a non-woven fabric formed from fibers that are...
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6494974 |
Method of forming meltblown webs containing particles
A method of forming a meltblown web having meltblown fibers and particles is provided. The particles are heated to a temperature approximating that of the meltblown fibers as they are being...
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6491777 |
Method of making non-woven composite transfer layer
A method for making a fluid transfer layer has steps of depositing a first non-woven layer on a support, depositing a second non-woven layer on the first layer, with the two layers having a...
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6471910 |
Nonwoven fabrics formed from ribbon-shaped fibers and method and apparatus for making the same
Nonwoven fabric is formed from a spunbond process by extruding generally ribbon-shaped fibers 126 through slot-shaped orifices 124 of a spinneret 122 . The ribbon-shaped fibers are rapidly...
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6454827 |
Filter medium and production method thereof
A filter medium has a function member accommodated between two fiber layers. A production method for manufacturing a filter medium includes the steps of: preparing a first fiber layer having a...
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6427745 |
Apparatus for the manufacture of nonwoven webs and laminates
Nonwoven laminates are made by a multi-station line comprising at least one spunbond die assembly and at least one meltblowing die assembly. Each station includes (a) a melt spinning die which can...
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6413609 |
Elastomer film laminated cushion
An elastomer film laminated cushion includes an elastomer having the physical properties of flexibility and compressibilities in the range of flexibilities and compressibilities of stable elastomer...
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6402870 |
Process of making multi-segmented filaments
Method and apparatus for producing multi-segmented filaments are provided. In one embodiment a first polymer material is passed into a die, the first polymer material and the die being maintained...
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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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6350332 |
Method of making a composite fabric for coverstock having separate liquid pervious and impervious regions
A composite nonwoven fabric is provided for use as a one-piece topsheet and barrier fabric for disposable absorbent articles including diapers, catamenial products, and adult incontinence products....
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6338814 |
Spunbond web formation
A spunbond web formation apparatus includes a spinneret ( 1 ) of a spin pack ( 2 ) that extrudes an array of fibers ( 5 ) that are drawn into an aspirator (6). The attenuated fibers ( 8 )...
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6254821 |
Device for producing a voluminous bonded fleece, device implementing the method, and bonded fleece according to this method
Bulked and liquid-permeable fleeces are used in the hygienic products industry for diapers and bandages. These fleeces have the purpose of rapidly absorbing fluid secreted from the body, storing...
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6251340 |
Adaptable filament deposition system and method for freeform fabrication of three-dimensional objects
An improved system for forming a three-dimensional object by filament deposition of forming materials includes a crucible for holding a reservoir of the filament forming material, an orifice...
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6248197 |
Method for producing a shaped multifilament, non-thermoplastic, elastomeric yarn
The present invention provides a method for producing multifilament elastomeric yarn of modified cross-sectional shape and surface by hot-pressing a coalesced elastomeric multifilament yarn between...
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6230901 |
Microfine fiber product and process for producing the same
A cylindrical filter which is easily produced and has a high withstand strength, a high filtration accuracy and a long filtration life; a microfine fiber web and a non-woven fabric suitable to a...
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6217693 |
Method of making nonwoven loop material for hook and loop fasteners
A method for making loop material for hook and loop fasteners comprising the steps of forming a nonwoven web of randomly deposited nonelastomeric thermoplastic fibers, wherein the nonwoven web has...
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6207601 |
Melt-blown nonwoven fabric, process for producing same and the uses thereof
The disclosure relates to a melt-blown non-woven fabric based on cellulose esters, with fibers of mean diameter less than about 10 microns. The fabric contains 0-10 wt. % extractable softener, has...
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6203646 |
Process for preparing a mineral fibre element comprising a surface coating
A method of producing a mineral fibre element comprising a mineral fibre base layer having a surface coating in the form of a fibrous netting formed of a thermoplastic polymer material wherein such...
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6197141 |
Process of applying filament netting for pest control of vegetation
A liquid chemical spray, such as cellulose acetate or thermoplastic material, is discharged, under pressure, from an applicator wherein the liquid chemical is such that a plurality of elongated...
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6159318 |
Method for forming fibrous filter media, filter units and product
A method, apparatus and filter unit product wherein filter media fibers are fed from a media supply source to a mat forming interchangeable and movable contoured surface to contour shape a filter...
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6153034 |
Rapid prototyping
Rapid prototype apparatus including an adhesive dispenser for dispensing an adhesive and an actuator which moves the adhesive dispenser in at least one of six degrees of freedom (preferably in at...
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6136124 |
Process for producing a structured, voluminous nonwoven
A process for producing a structured, voluminous nonwowen comprises the following steps: (a) a spun nonwoven is produced from a plurality of individual filaments which are stretched and gathered...
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6114017 |
Micro-denier nonwoven materials made using modular die units
A series of nonwoven webs and the processes for their production are disclosed. The resultant webs have equal or superior strength characteristics to conventional nonwoven fabrics made using...
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6080257 |
Multi-fold mat structure
A protective cover for application to multi-surface or multi-faceted structures or objects, such as posts, piers, stairs, which have two or more parallel edges or corners. The protective cover...
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6060115 |
Method of making an absorbent pad
Methods and systems for making an absorbent pad for use in an absorbent article utilize a forming device for forming material into an absorbent core, a supply device for supplying a containment...
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