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7611660 |
Apparatus and method for cooling material during continuous vacuum forming
The present invention relates to an apparatus and method for cooling material during continuous vacuum forming. The apparatus includes one or more cooling regions positioned adjacent one or more...
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7596845 |
Method of assembly of low cost oil/grease separator
A container for receiving and holding effluent water containing oil/grease to be removed has sectional covers. A main sectional cover supports a partially immersed rotatable disk; a drive on the...
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7585454 |
Process of and apparatus for making an insulation product
A method of producing a non-lofted fiber veil of an orientable polymer for the production of insulation, e.g. thermal, for blown-in applications, having X, Y and Z vector directions of the fibers...
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7507364 |
Systems and methods for air embossing utilizing improved air lances
Air embossing systems, air lances, and methods of air embossing fabrics produce an unprecedented level of fine detail, crisp transition between unembossed and embossed regions, and a high degree of...
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7504062 |
Method and device for producing a spunbonded nonwoven fabric
A method and apparatus for the production of a spunbonded nonwoven fabric, by spinning a linear filament sheet of filaments arranged parallel next to one another, in the form of a curtain, from a...
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7488441 |
Use of a pulsating power supply for electrostatic charging of nonwovens
Described herein are improvements to processes and equipment for the manufacture of nonwoven webs useful in numerous applications including personal care, protective apparel, and industrial...
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7476350 |
Method for manufacturing thermoplastic nonwoven webs and laminates
Methods for making a nonwoven web on a collector traveling in a machine direction parallel to a length of the nonwoven web. The methods generally include forming a curtain of polymer filaments,...
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7470389 |
Method for forming spread nonwoven webs
A new fiber-forming method, and related apparatus, and webs prepared by the new method and apparatus are taught. In the new method a) a stream of filaments is extruded from a die of known width and...
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7465481 |
Exterior molding body comprising a long fiber reinforced thermoplastic resin
The object the present invention is to provide an exterior molding body for automobile which is reinforced by a long fiber, is excellent in mechanical properties such as bending elastic modulus and...
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7459121 |
Method for continuous fabrication of carbon nanotube networks or membrane materials
Methods and devices are provided for the continuous production of a network of nanotubes or other nanoscale fibers. The method includes making a suspension of nanoscale fibers dispersed in a liquid...
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7384588 |
Process for making a flexible structure comprising starch filaments
A process for making a flexible structure that includes at least a first region and a second region, each of the first and second regions having at least one common intensive property that differs...
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7314557 |
Method and device for forming mineral wool
A device for internal centrifugation of mineral fibers including a centrifuge equipped with a peripheral band perforated with orifices distributed in a plurality of annular zones arranged on top of...
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7276201 |
Process for making non-thermoplastic starch fibers
A process for making non-thermoplastic starch fibers comprises the steps of: (a) providing a non-thermoplastic starch composition comprising from about 50% to about 75% by weight of modified starch...
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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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7157039 |
Method and apparatus for producing a curly puff extrudate
A process and apparatus for the production of a spiral or coil shaped puffed extrudate. A tube or other peripheral containment vessel is placed at the exit end of an extruder die. A force or...
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7081224 |
Polymer film producing method
A solution casting system has a tentering device, and produces polymer film of cellulose triacetate. Two web edge portions of the polymer film are sucked within a section from a downstream end of...
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7029622 |
Method for extruding a continuous molded body
The present invention relates to a method for producing a continuously molded body from an extrusion solution preferably containing water, cellulose and a tertiary amine. The extrusion solution is...
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7029620 |
Electro-spinning process for making starch filaments for flexible structure
A flexible structure includes a plurality of starch filaments. The structure includes at least a first region and a second region, each of the first and second regions having at least one common...
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7025926 |
Method for extruding a continuous shaped body
The present invention relates to a method of producing a continuous molding making use of an extrusion solution containing preferably water, cellulose and a tertiary amine oxide. The extrusion...
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7001567 |
Melt spinning apparatus and process for making nonwoven webs
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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6984350 |
Method of and apparatus for manufacturing a web having filaments aligned in a transverse direction
An apparatus for manufacturing a transversely aligned web has a spinning device provided with a plurality of nozzles for extruding molten polymer as filaments, and a conveyor on which the filaments...
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6946093 |
Method 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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6911522 |
Filled epsilon-caprolactone based polymer compositions, method for preparing same and articles based on said compositions
Compositions based on ε-caprolactone polymer, comprising at least one ε-caprolactone polymer and calcium carbonate. Process for preparing these compositions, which are used for manufacturing...
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6911174 |
Process of making multicomponent fiber incorporating thermoplastic and thermoset polymers
The present invention provides a multicomponent fiber containing at least two polymer components arranged in distinct zones or segments across the cross-section of the fiber wherein at least one...
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6896843 |
Method of making a web which is extensible in at least one direction
A method includes the steps of co-extruding a first component and a second component. The first component has a recovery percentage R 1 and the second component has a recovery percentage R 2 ,...
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6890466 |
Elastically stretchable nonwoven fabric and process for making the same
An elastically stretchable nonwoven fabric including thermoplastic elastomer filaments; the filaments being heat-sealed and/or mechanically intertwined together to form the nonwoven fabric that has...
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6887423 |
Process for making a stretchable nonwoven web
A process for preparing nonwoven webs including multiple component continuous filaments having high levels of three-dimensional helical crimp utilizing draw rolls to provide a high degree of...
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6881375 |
Method of forming a 3-dimensional fiber into a web
A method includes the steps of co-extruding a first component and a second component. The first component has a recovery percentage R 1 and the second component has a recovery percentage R 2 ,...
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6881362 |
Process and apparatus for the relaxation of interlayer sheet
A process for relaxation of interlayer sheet is provided which comprises heating the interlayer sheet, followed by leading the heated interlayer sheet over an air-cushion table with regulation of...
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6861025 |
Attenuating fluid manifold for meltblowing die
Melt blown nonwoven webs are formed by supplying attenuating fluid to a meltblowing die through an attenuating fluid distribution passage whose distribution characteristics can be changed while the...
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6858168 |
Apparatus and method for forming materials
An apparatus and method for forming liquid spinning solution into a solid formed product whereby the solution is passed through at least one tubular passage ( 17 ) having walls formed at least...
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6846450 |
Method for making a nonwoven web
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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6838043 |
Method for the production of a synthetic leather
A synthetic leather made of a nonwoven fabric impregnated and/or coated with a polymer, with a surface weight of 100 to 500 g/m 2 , and a tensile strength greater than 300 N/5 cm in the lengthwise...
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6838040 |
Method for weakening a portion of a web
A method for weakening a portion of a web includes moving a web in a machine direction between at least a first location and a second location, wherein the second location is positioned downstream...
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6824733 |
Meltblowing apparatus employing planetary gear metering pump
Melt blown nonwoven webs are formed by supplying fiber-forming material to a planetary gear metering pump having a plurality of outlets, flowing fiber-forming material from the pump outlets through...
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6824729 |
Process of making a nonwoven web
A method of preparing a nonwoven web that has substantially continuous synthetic fine fiber includes preparing an aqueous amide crosslinked polymer solution. The solution is extruded through a die...
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6805965 |
Method for the application of hydrophobic chemicals to tissue webs
A method is disclosed for topical application of compositions containing a chemical additive onto a paper web. The present invention is also directed to paper products formed from the method. In...
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6803013 |
Process of making a meltblown web
The present invention relates to an apparatus and method for forming meltblown material with a die assembly. The die may further include a die tip and a heating element positioned relative to the...
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6800226 |
Method and device for the production of an essentially continous fine thread
The invention relates to a method and a device for the production of essentially continuous fine threads made of meltable polymers. The polymer melt is spun from at least one spin hole ( 5 ) and...
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6797226 |
Process of making microcreped wipers
A method for forming a wiping product. In particular, the wiping product contains a fabric formed from a nonwoven web that is bonded by microcreping at least one side of the web. The nonwoven web...
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6793858 |
Method and apparatus for forming a flexible mat defined by interconnected concrete panels
A method and apparatus for continuously forming flexible mat structure in the form of spaced, interconnected concrete panels. The mat structure can serve as an erosion control mat along the banks...
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6793854 |
Method and apparatus for making plastic film, and plastic film
A method and an apparatus for making a plastic film, and to a plastic film wherein the method includes extruding a film from plastic material by an extruder and orientating the film after...
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6783722 |
Apparatus and method for producing a nonwoven web of filaments
Spunbond nonwoven fabrics are produced with an apparatus which comprises a spinnerette having a plurality of orifices for extruding filaments; an attenuator for receiving and attenuating the...
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6780373 |
Method of making an easy open tear film
A film includes a core layer including a polyamide; two intermediate layers, disposed on opposite surfaces of the core layer, including an adhesive; and two outer layers, each disposed on a surface...
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6776951 |
Method of making electret fibers
A method of making electret fibers, which method comprises: extruding a polymeric material to create fibers; and imparting an electric charge to the fibers; wherein the resulting fibers have a...
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6770240 |
System and method for air embossing fabrics utilizing improved air lances
Air embossing systems, air lances and methods of air embossing fabrics produce fine detail, crisp transition between unembossed and embossed regions, and a high degree of uniformity across the...
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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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6737008 |
Method of manufacturing a shaped polymeric article
A method of manufacturing a shaped polymeric article is provided. A sheet of extruded hot polymeric material is provided and disposed onto a rotating belt. The rotating belt includes a mold...
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6732868 |
Production method and apparatus for filter, forming die for filter, forming assembly for forming filter, and filter
A filter production method produces a filter having a shape substantially identical to the shape of a forming surface by extruding semi-molten fibers to the forming surface. When the semi-molten...
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6709623 |
Process of and apparatus for making a nonwoven web
Improvements to processes and equipment for the manufacture of nonwoven webs useful in numerous applications including personal care, protective apparel, and industrial products. The fiber and/or...
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