Impregnation Is Confined To A Plane Disposed Between Both Major Fabric Surfaces Which Are Essentially Free Of Impregnating Material Patents (Class 442/61)
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Patent number: 10785900Abstract: Electrically conductive articles are provided, including a composite including (a) a resin, and (b) electrically conductive shaped particles distributed in the resin, the particles having a monosized distribution. Each particle has a shape including at least a first surface and a second surface intersecting the first surface at an angle a between about 5 degrees and about 150 degrees. The composite has a thickness and often each of the electrically conductive shaped particles distributed in the resin is oriented within the resin such that the particle does not extend beyond the thickness of the composite. A method for making an electrically conductive article is also provided, including (a) providing electrically conductive shaped particles having a monosized distribution, and (b) distributing the particles into a resin to form a composite.Type: GrantFiled: November 10, 2014Date of Patent: September 22, 2020Assignee: 3M Innovative Properties CompanyInventors: Dipankar Ghosh, Jeffrey W. McCutcheon, Scott R. Culler
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Patent number: 10633774Abstract: A hybrid non-woven web is disclosed which is a matrix of a stream of fibers of a first material joined to streams of first and second spun-blown fibers. Each of the first and second spun-blown fibers are formed from a thermoplastic composition that contains at least one polymer having a melt flow rate of from between about 5 grams/10 minutes to about 6,000 grams/10 minutes at 230° C. Each of the first and second spun-blown fibers also have an average diameter of between about 1 microns to 10 microns and a standard deviation of from between about 0.9 microns to about 5 microns. In addition, the hybrid non-woven web has a tensile strength of at least about 5 gf/gsm/cm width, measured in a machine direction. An apparatus and a method of forming the hybrid non-woven web are also disclosed.Type: GrantFiled: May 13, 2015Date of Patent: April 28, 2020Assignee: Biax-Fiberfilm CorporationInventors: Douglas B. Brown, Jeffrey D. Stark, Mohammad A. Hassan
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Patent number: 8980770Abstract: A composite material, the composite material comprising at least one prepreg, said prepreg comprising at least one polymeric resin and at least one fibrous reinforcement; and conducting particles dispersed in the polymeric resin.Type: GrantFiled: August 5, 2008Date of Patent: March 17, 2015Assignee: Hexcel Composites LimitedInventors: John L. Cawse, Martin Simmons, George Green
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Patent number: 8980771Abstract: A composite material, the composite material comprising at least one prepreg, said prepreg comprising at least one polymeric resin and at least one fibrous reinforcement; and conducting particles dispersed in the polymeric resin.Type: GrantFiled: December 20, 2010Date of Patent: March 17, 2015Assignee: Hexcel Composites LimitedInventors: John L. Cawse, Martin Simmons, George Green
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Patent number: 8216659Abstract: The present invention concerns a textured floorcovering composite comprising a highly conformable fibrous outer layer 101 and an optional porous and resilient backing layer 102 that are continually, contiguously, or continuously attached to an activated adhesive layer 103 along a three-dimensional, undulating interface. The undulations correspond to depressed and elevated areas on the surface of the composite. Such a composite can be fabricated if its precursor is subjected to heat and pressure for a finite length time, provided that the applied pressure is relatively low, preferably under about 200 psi. The textured composite can be used as a floorcovering that advantageously resists warping and remains insensitive to variations in ambient temperature and humidity, including exposure to water.Type: GrantFiled: July 23, 2008Date of Patent: July 10, 2012Assignee: DZS, LLCInventor: Dimitri Peter Zafiroglu
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Publication number: 20120171255Abstract: The invention relates to the production of a clay-impregnated substrate (10), including a step in which a pasty material (3), containing clay mixed with a liquid, is sprayed onto a substrate (1) having an aerated structure.Type: ApplicationFiled: July 7, 2010Publication date: July 5, 2012Inventors: Valérie Fontas, Claude Martin
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Patent number: 8105964Abstract: A composite material, the composite material comprising at least one prepreg, said prepreg comprising at least one polymeric resin and at least one fibrous reinforcement; and conducting particles dispersed in the polymeric resin.Type: GrantFiled: December 20, 2010Date of Patent: January 31, 2012Assignee: Hexcel Composites, Ltd.Inventors: John L. Cawse, Martin Simmons, George Green
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Publication number: 20110111658Abstract: Disclosed herein are stretchable elastic fabrics prepared by substantially uniformly impregnating a consolidated warp knit fabric with an elastomeric polymer by treatment with an elastomeric polymer solution. The resulting fabrics exhibit considerable elongation in the cross-direction with little or no machine-direction elongation. Such stretchable elastic fabrics are useful in medical and personal hygiene articles as well as in apparel applications.Type: ApplicationFiled: April 3, 2009Publication date: May 12, 2011Applicant: INVISTA NORTH AMERICA S.A.R.L.Inventors: Leopoldo Terraneo, Alessandro Piermattei
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Patent number: 7910502Abstract: Ballistic resistant articles having excellent resistance to deterioration due to liquid exposure. More particularly, a ballistic resistant structures and articles formed from a hybrid of woven and non-woven fibrous components that retain their superior ballistic resistance performance after exposure to liquids such as sea water and organic solvents, such as gasoline and other petroleum-based products. The hybrid structures are particularly useful for the formation of or for use in conjunction with soft, flexible body armor.Type: GrantFiled: March 31, 2006Date of Patent: March 22, 2011Assignee: Honeywell International Inc.Inventors: David A. Hurst, Brian D. Arvidson, Ashok Bhatnagar, Henry G. Ardiff
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Patent number: 7786030Abstract: The present invention provides an indoor cleaning tool having a dry fibrous base material. An antigenicity-reducing composition that includes an antigenicity-reducing component, a lubricant, and a surfactant is applied to the fibrous base material. It would be preferable for the antigenicity-reducing component to be tannic acid.Type: GrantFiled: January 18, 2005Date of Patent: August 31, 2010Assignee: Uni-Charm CorporationInventor: Akemi Tsuchiya
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Publication number: 20090286437Abstract: The present disclosure generally relates to wipes comprising a fibrous sheet material and beads embedded within the interior of the fibrous sheet material. The beads comprise an active agent and an encapsulation material that surrounds the active agent. The beads are incorporated into the fibrous sheet material as dehydrated beads. Upon hydration of the beads, such as by contact of the wipe with an aqueous solution, such as water or a wetting solution, the dehydrated beads gradually hydrate, becoming soft and rupturable. Also disclosed are methods for producing the wipes.Type: ApplicationFiled: May 14, 2008Publication date: November 19, 2009Applicant: Kimberly-Clark Worldwide, Inc.Inventors: Corey T. Cunningham, Aneshia Ridenhour, Brian M. Langolf, Michael A. Schmidt
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Patent number: 7560398Abstract: A cleaning wipe including a fiber web and a tacky material. The fiber web defines opposing surfaces and an intermediate region between the opposing surfaces. In this regard, at least one of the opposing surfaces serves as a working surface for the cleaning wipe. The tacky material is applied to the web such that a level of tacky material is greater in the intermediate region than at the working surface. In one embodiment, the amount of tacky material per area of web material is greater in the intermediate region than at either of the opposing surfaces. In another embodiment, the fiber web is a nonwoven fiber web.Type: GrantFiled: July 18, 2003Date of Patent: July 14, 2009Assignee: 3M Innovative Properties CompanyInventors: Daniel J. Zillig, Gary L. Olson, Thomas E. Haskett
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Patent number: 7431975Abstract: A laminated multilayer textured composite has an embossed fibrous outer layer bonded to one side of an adhesive layer to form a three-dimensional structure defined by all of fibers in depressed areas between elevated areas being fully embedded in the adhesive and most of the fibers in the elevated areas of the elevated areas being free of adhesive. The composite provides an abrasion resistant, surface stable material for covering floors, walls, furniture and the like. An optional backing layer can be simultaneously adhered to the second side of the adhesive layer primarily for improved cushioning and dimensional stability. The composite can be formed by a simultaneous pressure embossing and thermal laminating process.Type: GrantFiled: November 29, 2002Date of Patent: October 7, 2008Assignee: DZS, L.L.C.Inventor: Dimitri P Zafiroglu
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Patent number: 7425359Abstract: A floor covering composite made from at least a fibrous outer layer and an adhesive layer is disclosed. These layers are laminated and/or embossed to form elevated areas and depressed areas. Within the depressed areas, fibers from the fibrous outer layer are anchored by the adhesive layer activated by the laminating and/or embossing process. Within the elevated areas, the surface fibers of the fibrous outer layer are substantially free from the activated adhesive, and are movable relative to each other. Transitioning cluster areas are positioned between the depressed areas and the elevated areas. Fibers from the fibrous outer layer are partially bonded by the activated adhesive to provide some structural integrity to the fibers in the elevated areas. The composite may further include a backing layer, a gas permeable, liquid impermeable layer to allow the composite to vent, but prevent liquid from penetrating to the backing layer or to the substrate covered by the composite.Type: GrantFiled: July 1, 2003Date of Patent: September 16, 2008Assignee: DZS, LLCInventor: Dimitri Peter Zafiroglu
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Patent number: 7220689Abstract: A method of producing a lightweight heat resistant and insulative composite sheet, and containing glass fibers, consisting essentially of homogenized glass fiber and binder materials forming a first layer, binder material extending in a second layer on a surface of the first layer and bonded thereto, woven glass fiber facing cloth extending in a third layer on a surface of the second layer and bonded thereto so that the second layer is sandwiched between the first and third layers, binder material in all layers being cured, to integrate the layers.Type: GrantFiled: July 28, 2003Date of Patent: May 22, 2007Assignee: UPF CorporationInventor: Jack R. Pfeffer
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Patent number: 7045191Abstract: A stuffed textile article and method of manufacturing the same has at least one compartment having a baffle gate which receives a tube-like stuffing tool through which loose stuffing is blown into the compartment. Upon removal of the tool, the surrounding layers and panels which define the compartment are placed under tension by the stuffing causing the baffle gates to automatically close upon removal of the tool permanently preventing migration of the stuffing out of the compartment. The gate has a primary panel secured to the top and bottom layers of the article and an adjacent secondary panel at least partially covering the primary panel. The primary panel has a slit and the secondary panel has a slot. Taken individually, the slit and slot are each preferably longer than the thickness of the stuffed textile article and longer than half the circumference of the stuffing tool.Type: GrantFiled: August 31, 2004Date of Patent: May 16, 2006Assignee: American Quality Assurance CorporationInventor: Peter Huntley
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Patent number: 6995099Abstract: The present invention is aimed at providing FRP formed by integrating a fiber reinforcing material and a non-woven fabric, and having excellent shaping ability, impact resistance after molding, and excellent reliability and low cost. The aim of the present invention is achieved by a complex fiber reinforcing material including a sheet-shaped fiber reinforcing material composed of reinforcing fibers, and a non-woven fabric laminated on at least one side of the fiber reinforcing material, wherein the fibers constituting the non-woven fabric pass through the fiber reinforcing material to integrate the non-woven fabric with the fiber reinforcing material.Type: GrantFiled: February 22, 2000Date of Patent: February 7, 2006Assignee: Toray Industries, Inc.Inventors: Akira Nishimura, Kiyoshi Homma, Ikuo Horibe, Takehiko Hirabara
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Patent number: 6939818Abstract: An improved strippable glass fiber wall covering and process for its formation are provided. Initially, both sides of a glass fiber fabric are coated with a first coating applied from an aqueous dispersion of starch binder and polymeric latex binder. In a preferred embodiment a cross-linking agent and pigment also are present in the first aqueous dispersion. Following the drying of such dispersion to form a first coating on both surfaces, a second dried coating is provided on one side only that serves as a separation layer. The second coating is applied from an aqueous dispersion comprising paraffin and a rheology modifier. When applied to the wall in conventional manner, the separation layer facilitates the removal of the wall covering with ease when its time of usefulness is concluded.Type: GrantFiled: April 6, 2001Date of Patent: September 6, 2005Assignee: Johns Manville International, Inc.Inventors: Krister Draxö, Per Edlund, Torben Hernberg
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Patent number: 6833333Abstract: Water resistant laminates that can be useful in end uses requiring a water tight membrane comprising a layer of fabric, wherein a first polymer having a certain stress index that is substantially contained within the fabric layer and a second polymer having a higher stress index than that of the first polymer that can be coated onto one or both surfaces of the fabric.Type: GrantFiled: May 29, 2001Date of Patent: December 21, 2004Assignee: E. I. du Pont de Nemours and CompanyInventors: Raymond Joseph Reisdorf, Loic Pierre Rolland
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Publication number: 20040248484Abstract: The invention provides a water blocking tape for use in a variety of cable designs, such as power cable, data communications cable and telecommunications cable. A water blocking tape according to the invention includes layers of lightweight nonwoven fabric with one or more swellable water blocking compounds, such as water absorbent polymers, disposed between the layers. The nonwoven fabric layers are bonded in a pattern using an ultrasonic bonding technique. The bonding pattern helps to contain and to restrain movement of the water blocking compounds between the layers. The bonding pattern compartmentalizes the water blocking compounds to prevent pooling of the compounds and to facilitate a substantially consistent distribution of the compounds between the layers such that when a tape contacts water, the tape achieves a substantially consistent swell height.Type: ApplicationFiled: April 26, 2004Publication date: December 9, 2004Inventors: Craig A. Bahlmann, Ethan E. Franklin
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Publication number: 20040198116Abstract: The invention relates to a coated fiber mat of improved tear strength upon dividing pieces of the coated mat and the coating which comprises a cured, non-woven, fiber glass mat containing a polysiloxane wherein the fibers are fixedly distributed in a formaldehyde type binder containing a binder modifier which is a crosslinked styrene/acrylic polymer, and to a process for the preparation of the mat.Type: ApplicationFiled: September 18, 2003Publication date: October 7, 2004Applicant: BUILDING MATERIALS INVESTMENT CORPORATIONInventors: Qinyun Peng, Krishna Srinivasan
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Patent number: 6764732Abstract: A magnet receptive medium comprises a sheet having a first surface, a second surface, and an interior between the first surface and the second surface. At least one pathway between at least one of the surfaces and through the interior is formed. Magnetic particles of a predetermined size sufficient to pass through the pathways exist in such pathways. A binding agent may bind the particles to the interior.Type: GrantFiled: July 11, 2002Date of Patent: July 20, 2004Assignee: Magna Paper LLCInventors: Paul Stefanutti, John Willwerth, Dayton J. Deetz
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Patent number: 6716774Abstract: A knitted screen cloth fabric including a polymer coated, fiber-reinforced, flexible, foil-like web and method for making same are disclosed, the web including a lattice material of filaments and a polyester binding thread.Type: GrantFiled: December 19, 2001Date of Patent: April 6, 2004Assignee: Saint-Gobain Technical Fabrics Canada, Ltd.Inventors: John Frederick Porter, Roger Peter Lewington
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Publication number: 20040043685Abstract: A nonwoven material composed of hydrophobic material rendered hydrophilic through the inclusion of an internal additive is described. The nonwoven material includes at least one layer of which can be continuous filament spunmelt or meltblown. The layer can be provided alone or as one of a composite material. Hydrophilicity is imparted to the nonwoven material by inclusion of a surfactant additive in an extrusion melt during formation of fibers which will form a layer of nonwoven material. By controlling the internal additive utilized and modifying the type of fibers formed, e.g., continuous, non-continuous (staple), denier size, etc., the absorbency and barrier properties of a nonwoven material can be predetermined in view of the use to which the nonwoven material is to be applied.Type: ApplicationFiled: August 28, 2002Publication date: March 4, 2004Applicant: Avgol Ltd.Inventors: Moshe Goldwasser, Achai Bonneh
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Publication number: 20040043212Abstract: A nonwoven textile having reversible enhanced thermal control properties, the material comprising: a bat or web bonded by polymeric binder containing thermal control material within the interior of the bat or web, wherein the thermal control material is dispersed throughout the interior of the polymeric binder, and wherein the thermal control material is substantially entirely within the interior of the nonwoven textile.Type: ApplicationFiled: August 13, 2003Publication date: March 4, 2004Inventors: Peter Grynaeus, Duncan Russell, Terry O'Regan, David S. Dietel, Susan Gwynneth Johnson
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Publication number: 20030219591Abstract: An article including: a porous substrate that includes a fibrous material; and a release coating disposed on the fibrous material of the porous substrate; wherein the release coating includes a thermoplastic silicone-containing polymer. A method of making an article, which method includes: providing a porous backing having a first major surface and a second major surface; applying a pressure sensitive adhesive to the first major surface of the porous backing; and applying an aqueous dispersion including a thermoplastic silicone-containing polymer to the second major surface of the porous backing to form a low adhesion backsize.Type: ApplicationFiled: May 16, 2002Publication date: November 27, 2003Applicant: 3M Innovative Properties CompanyInventors: Stephen W. Bany, James P. DiZio, Patricia J.A. Brandt, Janice R. Manore, Judith A. Green
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Patent number: 6156403Abstract: An article which comprises (1) a composite comprising a polyurethane matrix including fibrous or particulate reinforcement, the polyurethane matrix being formed in situ about the reinforcement by reaction of polyurethane forming components at a temperature below the melting point of the reinforcement and (2) a polymeric film bound to at least one surface of the composite, the film being bound to the composite by adhesion to the polyurethane matrix which emerges or is enhanced as the matrix is formed in situ.Type: GrantFiled: November 6, 1998Date of Patent: December 5, 2000Assignee: RanDemo, Inc.Inventor: William H. Cochran
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Patent number: 6140258Abstract: A formed sheet of thermalconductive silicone gel is provided. The formed sheet has (i) a thin film reinforcement layer hardened into rubber only in a surface layer on the upper side, the lower side, or both sides, (ii) a sheet-shaped reinforcement material buried in a surface layer of the upper or the lower side, or (iii) a sheet-shaped reinforcement material buried in a surface layer of the upper side or the lower side of the sheet, and a thin film reinforcement layer hardened into rubber in this surface layer or in a surface layer on both sides of the sheet. The formed sheet of thermalconductive silicone gel has low compressibility, high strength, is easy to handle during the mounting process, and can be reused after its contact compression between a chip and a heat sink has been released.Type: GrantFiled: April 27, 1999Date of Patent: October 31, 2000Assignee: Fuji Polymer Industries Co., Ltd.Inventors: Mitsuhiro Fujimoto, Yoshimitsu Maeda, Kenichi Suzuki
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Patent number: 6139942Abstract: A partially impregnated preform employs a fiber layer partially impregnated with a resin to form a fiber reinforced resin composite. The fiber layer of the partially impregnated preform is formed of a plurality of parallel oriented tows, each tow formed of a plurality of unidirectional reinforcement fibers. The resin is partially impregnated on one or both faces of the fiber layer. A resin composition for partially impregnating a fiber layer of a preform is also provided.A stack of partially impregnated preforms utilizes a plurality of partially impregnated preforms. The stack of partially impregnated preforms may be cross-ply reinforced by cross-ply stitching the stack of partially impregnated preforms together prior to curing to form a fiber reinforced resin composite upon curing.Type: GrantFiled: February 6, 1997Date of Patent: October 31, 2000Assignee: Cytec Technology, Inc.Inventors: John T. Hartness, Guo Feng Xu
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Patent number: 6133166Abstract: Disclosed are articles useful in cleansing, and particularly wet-like cleansing wipes, which are dry until used, where fluid is released from the article. These articles comprise:a. a carrier comprising a cellulosic fibrous structure having at least a first region of relatively high basis weight that comprises an essentially continuous network and a second region of a plurality of mutually discrete regions of relatively low basis weight which are circumscribed by the high basis weight first region; andb. an emulsion applied to the carrier, where the emulsion provides fluid for cleaning when shear forces are applied to the article.The first and second regions of the cellulosic fibrous structure are disposed in a nonrandom, repeating pattern. The articles offer a number of significant advantages over prior cleaning products when in the form of wet-like cleansing wipes such as those used for cleaning of hardsurfaces (e.g., floors, countertops, sinks, bathtubs, toilets, and the like).Type: GrantFiled: July 1, 1997Date of Patent: October 17, 2000Assignee: The Procter & Gamble CompanyInventors: Nicholas James Nissing, Steven Lee Barnholtz, David William Cabell
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Patent number: 6060409Abstract: A flexible composite comprising a high tensile strength fibrous component dispersed within a flexible or resilient polymeric matrix, the matrix and fibrous component being essentially unbonded to each other so that the composite retains essentially the flexibility of the polymeric matrix.Type: GrantFiled: April 1, 1999Date of Patent: May 9, 2000Assignee: William H. CochranInventor: William H. Cochran
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Patent number: 6051317Abstract: The invention relates to sheet-like absorbents for water and aqueous solutions, containing at a defined distributionA) at least one water-swellable synthetic and/or natural superabsorbent polymer, andB) at least one water-soluble synthetic and/or natural polymeras a matrix of sheet-like design wherein the superabsorbent component A) is integrated or fixed. The sheet-like absorbents have an increased absorptive capacity for water and aqueous liquids, particularly under load. They are manufactured by forming a sheet-like matrix from the water-soluble synthetic and/or natural polymers B) and providing same with said water-swellable synthetic and/or natural superabsorber A), e.g., by applying a solution of matrix B) on a surface, sprinkling same with component A), and drying the sheet-like structure thus obtained.Type: GrantFiled: August 20, 1997Date of Patent: April 18, 2000Assignee: Stockhausen GmbH & Co. KGInventors: Helmut Brueggemann, Kurt Dahmen, Dieter Lehwald, Roland Theilmann
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Patent number: 6048602Abstract: A gel cushion, and a method of manufacturing same, in accordance with the present invention generally includes the steps of cooling a mold to a selected temperature, disposing a porous stretchable fabric over the cooled mold, depositing a volume of gelable liquid within the mold such that the cooled mold enables pores of the fabric to fill with gel without penetration therethrough, applying a vacuum between the fabric and the mold, allowing the gel to set and solidify and removing the solidified gel having the fabric fixed thereto in order to obtain the gel cushion. Another embodiment of the invention includes the step of filling a second matching mold and bonding the two volumes of gelable liquid together in order to make a fabric enclosed gel cushion. Yet another embodiment of the invention includes the step of depositing air filled bags or balloons on the coated fabric prior to injecting the additional gel in order to make a gel cushion having voids therein.Type: GrantFiled: July 25, 1997Date of Patent: April 11, 2000Inventor: Paul M. Yates
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Patent number: 6040251Abstract: The present invention includes novel barrier webs that have certain desirable physical qualities such as water resistance, increased durability, improved barrier qualities and the like. The present invention further comprises a barrier web comprising a web that has been treated with a curable shear thinned thixotropic polymer composition, the fabric being adapted to be substantially impermeable to liquids, permeable to gases and impermeable to microorganisms. The barrier webs of the present invention are either impermeable to all microorganisms or are impermeable to microorganisms of certain sizes. The present invention also includes fabrics that are capable of either selective binding certain microorganisms, particles or molecules depending upon what binding partners are incorporated into the polymer before application to the fabric.Type: GrantFiled: June 7, 1995Date of Patent: March 21, 2000Assignee: Nextec Applications Inc.Inventor: J. Michael Caldwell
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Patent number: 6040250Abstract: Thermoformable multi-layer sheet products are manufactured by pressure laminating one or more molten polymeric films and superposed layers of glass cloth material such that the molten polymer impregnates the glass cloth layers.Type: GrantFiled: June 9, 1998Date of Patent: March 21, 2000Assignee: General Electric CompanyInventors: William C. Paul, Gloria Sieloff
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Patent number: 5883023Abstract: A needled mat adapted to reinforce a thermoplastic matrix material to form a composite, the mat including: (a) a plurality of discontinuous glass monofilaments present in an amount ranging from at least about 30 weight percent to about 99 weight percent of the mat on a total solids basis and having a filament coating composition thereon which is compatible with a thermoplastic matrix material; and (b) a plurality of discontinuous glass fiber strands and having a strand coating composition thereon which is compatible with the thermoplastic matrix material, wherein the glass monofilaments and glass fiber strands are essentially uniformly distributed throughout the mat.Type: GrantFiled: March 21, 1997Date of Patent: March 16, 1999Assignee: PPG Industries, Inc.Inventors: Edward A. Martine, Jian Meng, Thomas V. Thimons, Thomas P. Unites