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Class 442/390 - At least one layer of inorganic strand or fiber material and at least one layer of synthetic polymeric strand or fiber material


Subclass of Class 442 - Fabric (woven, knitted, or nonwoven textile or cloth, etc.)
Definition: Subject matter wherein the nonwoven layer comprises inorganic
No. of patents: 34
Last issue date: 12/15/2009


NumberTitleIssue Date
7632766Thermal and acoustic insulation fabric
An insulating fabric which substantially prevents propagation of fire uses a blend of modified aluminum oxide-silica fibers and organic fibers in a multi-layer blanket. ...
12/15/2009
7354502Method for making a fibrous structure comprising cellulosic and synthetic fibers
A method for making a fibrous structure, the method comprising the steps of: providing a mixture of synthetic fibers and short cellulosic fibers onto a forming member so as to form one or more layers including the mixture of synthetic fibers and short cellulosic fib...
04/08/2008
7314497Filter medium and structure
Thermoplastic bicomponent binder fiber can be combined with other media, fibers and other filtration components to form a thermally bonded filtration media. The filtration media can be used in filter units. Such filter units can be placed in the stream of a mobile f...
01/01/2008
7309372Filter medium and structure
Thermoplastic bicomponent binder fiber can be combined with other media, fibers and other filtration components to form a thermally bonded filtration media. The filtration media can be used in filter units. Such filter units can be placed in the stream of a mobile f...
12/18/2007
7309668Multiple layer directionally oriented nonwoven fiber material and methods of manufacturing same
Disclosed herein are embodiments of a multi-layer nonwoven fiber material, and related methods of manufacturing the material. In one exemplary embodiment, the fiber material includes a first layer of directionally aligned fibers together with a second layer of rando...
12/18/2007
7166547Under carpet heat shield and floor pan insulator
An under carpet heat shield/floor pan insulator is provided for a vehicle. The shield/insulator includes an acoustical and thermal insulating layer of polymer fiber that shows no signs of any thickness increase, delamination, deterioration or any undesirable effect ...
01/23/2007
7074242Filling material and process for making same
A filling material for use with pillows, comforters and other products includes a blend of down and Lyocell fiber. Various preparation, washing, drying, dedusting, and blending steps achieve the blended product. The filling material has various advantageous characte...
07/11/2006
7041196Process for making a fibrous structure comprising cellulosic and synthetic fibers
A fibrous structure and method for making the fibrous structure, wherein the method includes the steps of: providing a plurality of cellulosic fibers onto a forming member having a pattern of channels such that at least some of the cellulosic fibers are disposed in ...
05/09/2006
6709994Storm proof roofing material
An asphalt-based roofing material includes a substrate coated with an asphalt coating, a protective coating adhered to the upper surface of the asphalt coating, a layer of granules adhered to the protective coating, and a web bonded to the lower region of the asphal...
03/23/2004
6555489Filter composite embodying glass fiber and synthetic resin fiber
A filter composite comprises a first layer of glass fibers having random orientation, and synthetic resinous fibers extending in close association with the glass fibers, the glass fibers having: i) diameters between 1 and 16 microns ii) lengths between about 1...
04/29/2003
6426309Storm proof roofing material
An asphalt-based roofing material includes a substrate coated with an asphalt coating, a protective coating adhered to the upper surface of the asphalt coating, a layer of granules adhered to the protective coating, and a web bonded to the lower region of...
07/30/2002
6228785Roofing material having improved impact resistance
An asphalt-based roofing material includes a substrate coated with an asphalt coating. The asphalt coating includes a lower region that is positioned below the substrate when the roofing material is installed on a roof. A web is fused to the lower region ...
05/08/2001
6028019Water vapor permeable and waterproof polyester membrane pigmented with carbon particles
A water vapor permeable, waterproof polyether ester membrane contains 1 to 10% by weight of finely dispersed carbon particles, especially soot particles, having an average size of 5 to 40 nm....
02/22/2000
5972814Reinforced nonwoven metal fabric
A reinforced nonwoven metal fabric is disclosed. A mass of loose metal fibers is processed through suitable textile apparatus to result in a metal fiber web, which is then lapped to form a multi-layered structure. This structure is then formed into a meta...
10/26/1999
5869413Integration of asphalt and reinforcement fibers
A method for producing asphalt fibers includes supplying molten asphalt to a rotating asphalt spinner, centrifuging asphalt fibers from the asphalt spinner, and collecting the asphalt fibers. The molten asphalt is supplied to the asphalt spinner at a temp...
02/09/1999
5785725Polymeric fiber and glass fiber composite filter media
A composite filter media for bag or pocket filters and the like includes an upstream dirt-holding layer of fine polymeric fibers and a downstream high efficiency filtration layer of glass fibers. The upstream layer includes polymeric microfibers having a ...
07/28/1998
5759927Glass-fiber-containing non-woven polymer web, and process for preparing same
A glass-fiber-containing nonwoven polymer web is prepared by providing a nonwoven polymer web, applying a layer of glass fibers onto the nonwoven polymer web, and encapsulating the glass fibers into the nonwoven polymer web utilizing heat and pressure. Al...
06/02/1998
5648137Advanced cured resin composite parts and method of forming such parts
A unique composite material impregnated with a heat curable resin comprising a layer of conductive fibers and one or more resin carrying layers is utilized to reinforce utility poles by wrapping the material around a portion of the utility pole and causin...
07/15/1997
5612114Textile composite, production thereof and use thereof
Described is a composite comprising at least one textile sheet material composed of synthetic polymer fibers and at least one textile sheet material composed of inorganic fibers, which textile sheet materials are joined to one another by yarns. The textil...
03/18/1997
5582901Multi-layered diskette liner
This invention generally relates to a nonwoven fabric for use as a liner for the magnetic recording medium in a computer diskette. More particularly, it is concerned with a thermally bonded, multi-layer, composite nonwoven which includes a distinct top ma...
12/10/1996
5484652Non-woven mat surface ply for woven fabric
A material for smoothing the outside surface of a woven fabric composite lay up in which a layered sandwich structure is formed of continuous fiber woven material, resin films and a mat of randomly oriented discontinuous fibers and the sandwiched layers a...
01/16/1996
5480706Fire resistant ballistic resistant composite armor
This invention relates to a fire resistant multilayer complex ballistic resistant article comprising at least one first layer comprised a plurality of flammable fibers a first matrix and at least one second layer which is adjacent to said first layer whic...
01/02/1996
5472467Self-supporting filter composite
A filter composite comprising a first layer of glass fibers having random orientation, the layer being porous to gas flow therethrough; a porous mat of sufficient stiffness as to support the glass fiber layer during use as a filter, the mat consisting of ...
12/05/1995
5458958Speaker cone and process for production thereof
A speaker cone comprising a sheet (A) comprised of acrylic synthetic fibers, or a laminate of a sheet (A) and a sheet (B) comprised of the other fibers, in the shape of a cone, wherein the sheet (A) being comprised of acrylic synthetic fibers having a lar...
10/17/1995
5445875Laminate comprising a corrosive-resistant plastic film, a layer of cut fibers, a layer of continuous fibers and a reinforcement layer, the fibrous layer being impregnated with a curable resin
A laminate for lining a passage, which is entirely or partially surrounded by walls, above or under the ground, which laminate comprises at least one layer of a reinforcement (4) of continuous fibre, a curable resin (5) and a plastic sheet or plastic film...
08/29/1995
5362546Method for producing a non-woven fabric with a thermally activated adhesive surface, resulting product and applications thereof
A three-dimensional non-woven fabric with a thermally activated adhesive surface well suited for use as a facing fabric for covering a fibrous mat. The fabric comprises two adjoining fiber layers, namely an adhesive layer including bond-forming fibers fus...
11/08/1994
5316839Heat resistant, flame resistant conducting sheet having an electrical insulation layer
A laminate suitable for electrostatic discharge interference and/or electromagnetic interference shielding comprising a polymetaphenylene isophthalamide fiber layer on one or both sides of a conducting layer comprising conducting fibers and polymetaphenyl...
05/31/1994
5254396Carbon fiber structure and process for producing the same
An infusiblized, or infusiblized and slightly carbonized fiber of optically anisotropic pitch type is combined with a phenolic resin fiber to produce a high bulk density carbon fiber structure in the form of a laminate of mutually entangled carbon fiber s...
10/19/1993
4983452Electroconductive thermoplastic sheet and method of forming same
There is here provided an electroconductive thermoplastic sheet prepared by superposing, upon either surface or both the surface of a thermoplastic film, or sheet an electroconductive nonwoven fabric formed by irregularly twining an electroconductive fibe...
01/08/1991
4692373Laminate bonded by adhesion promoting layer and adhesive layer
A laminate consists of a layer A of a polyolefin, reinforced with from 10 to 50% of glass fiber mats, and a metal layer D, which are bonded to one another by means of a mechanically adhesion-promoting layer B and an adhesive layer C. The adhesive is a the...
09/08/1987
4582554Carpet tile production method
A method of backing carpeting material 19 with hot-melt compositions such as atactic polypropylene or bitumen comprises carefully doctoring selected thicknesses of the composition to the undersurface of the material 19 with the wear surface of the materia...
04/15/1986
4550051Laminate based on epoxy resin for printed circuits
A laminate based on epoxy resin for printed circuits has epoxy resin-impregnated outer plies, each containing a substrate of glass fibers and epoxy resin-impregnated core plies, each containing a flat textile form or construction made of synthetic thermop...
10/29/1985
4447484Flame-resistant vinyl foam gasket and method of preparation
A flame-resistant vinyl-foam gasket material particularly for use as an insulating draft shield in electrical outlets and switch boxes, which gasket material comprises a layer of a flexible, vinyl-foam sheet material suitable for use as a gasket material,...
05/08/1984
4338369Floor covering for stabling
A mat for use as bedding material in an animal stall, comprises at least two felt-like layers of textile material (1,2) held together by multiple needleperforations (9) with the top surface of the top layer of textile material being impregnated with a sub...
07/06/1982
 
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