Fiber Embedded In A Layer Derived From A Water-settable Material (e.g., Cement, Gypsum, Etc.) Patents (Class 428/294.7)
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Patent number: 6869669Abstract: The present invention may be embodied in a sandwich panel having first and second face panels each having a first predetermined thickness and being formed of a fiber-reinforced cementitious material. The sandwich panel further includes support frame for supporting the first and second face panels in a spaced apart configuration. The support frame is formed of a fiber-reinforced cementitious material that is continuous with the cementitious material of the first and second face panels. Blocks of rigid insulation are embedded in the sandwich panel for defining a structure of the support frame.Type: GrantFiled: November 14, 2001Date of Patent: March 22, 2005Assignee: Advanced Wall Systems LLCInventors: Michael S. Jensen, Kurt S. Martin
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Patent number: 6863969Abstract: Synthetic polymer reinforcing fibers provide dispersability and strength in matrix materials such as concrete, masonry, shotcrete, and asphalt. The individual fiber bodies, substantially free of stress fractures and substantially non-fibrillatable, have generally quadrilateral cross-sectional profiles along their elongated lengths. Preferred fibers and matrix materials having such fibers demonstrate excellent finishability in addition to dispersion and toughness properties.Type: GrantFiled: March 5, 2003Date of Patent: March 8, 2005Assignee: W. R. Grace & Co.-Conn.Inventors: Klaus-Alexander Rieder, Neal S. Berke, Michael B. Macklin, Anandakumar Ranganathan, Salah Altoubat
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Patent number: 6846358Abstract: The present invention describes an improved building material composition, useful for example as a fire door core and to improved methods of making this composition. The building material of the present invention is prepared from an aqueous mixture of expanded perlite and a fast setting, cementitious composition consisting essentially of a hydraulic cement having (1) a Portland cement and (2) a calcium aluminate cement, which composition can be molded and shaped into a fire door core.Type: GrantFiled: April 25, 2003Date of Patent: January 25, 2005Assignee: Georgia-Pacific Gypsum, Inc.Inventor: Hubert C. Francis
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Patent number: 6841230Abstract: A long-fiber-reinforced thermoplastic resin sheet comprises short strands, each of which has a width of from 0.2 to 5 mm and a length of from 10 to 150 mm and is made of a unidirectionally long-fiber-reinforced thermoplastic resin. The short strands are oriented at random and are fixed together at intersections thereof. The long-fiber-reinforced thermoplastic resin sheet has a basis weight of from 30 to 500 g/m2 and is provided with openings therein. The long-fiber-reinforced thermoplastic resin sheet can be produced by evenly spreading and piling up short strands of substantially circular or elliptical sections, and subjecting the short strands to pressureless hot-melt adhesion or to hot-melt compression bonding under pressure such that the sheet has a basis weight of from 30 to 500 g/m2 and is provided with openings therein. The short strands of the substantially circular or elliptical sections have an average diameter of from 0.1 to 1.Type: GrantFiled: October 24, 2002Date of Patent: January 11, 2005Assignee: TS Tech Co., Ltd.Inventors: Yuji Yokoo, Toru Mizukami, Kengo Ozaki, Takashi Shimizu, Yukiko Takei
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Patent number: 6838163Abstract: A composite facer material for use with cementitious wallboards, where the composite facer is embedded in a top and bottom face thereof. The composite facer material, in a most preferred embodiment, comprises two layers. The first layer is preferably a carded polyester nonwoven mat, which is bonded to a second layer comprising preferably a tri-directional laid scrim fabric reinforcement layer made of continuous glass fibers. The two layers are preferably bonded together using an acrylic adhesive, which offers superior adhesion between the layers as well as superior adhesion between the composite facing material and the cementitious core.Type: GrantFiled: April 12, 2001Date of Patent: January 4, 2005Assignee: Milliken & CompanyInventors: Robert M. Smith, George C. McLarty, III, Andrew D. Child, Samuel E. Graham, W. Randolph Hursey
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Patent number: 6815037Abstract: This invention provides a carrier member made of a UV resistant fiber-reinforced composite material where a UV resistant coating material is applied on the surface of the fiber-reinforced composite material and a process for producing thereof. A preferable fiber-reinforced composite material is a fiber-reinforced plastic or carbon fiber-reinforced carbon composite material. A UV resistant coating material is one or more selected from the group consisting of ceramics, cermets, metals and alloys. The carrier member is produced by coating the surface of the fiber-reinforced composite material with a UV resistant coating material by spraying. This carrier member is advantageous in that it can exhibit properties inherent to a fiber-reinforced composite material such as a light weight, higher rigidity and higher heat resistance and that it little contaminates a precision instrument material when being used in cleansing with UV.Type: GrantFiled: September 19, 2001Date of Patent: November 9, 2004Assignee: Nippon Mitsubishi Oil CorporationInventors: Akio Ooshima, Takashi Kobayashi, Kenichi Aoyagi, Daisuke Uchida
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Publication number: 20040209060Abstract: Cement wallboards and methods for their preparation are disclosed. The wallboards comprise two scrim layers and one mat layer. The wallboards have a smooth surface, are strong, lightweight, and easy to score and snap. Tiles can be readily adhered to the boards. The wallboards can be used in general commercial and residential construction, and are particularly attractive for use in high water/moisture areas such as bathrooms and shower enclosures.Type: ApplicationFiled: April 15, 2003Publication date: October 21, 2004Applicant: National Gypsum Properties LLCInventors: Michael J. McGrady, Craig C. Robertson
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Patent number: 6800361Abstract: The present invention relates to a gypsum board having a nonwoven liner and a gypsum core. The gypsum board of the present invention has a high work to break, resulting in a gypsum board product that has a high resistance to abuse in use. The gypsum board of the invention is also more flexible and more resistant to water and fire than paper-lined gypsum board, and does not contain nutrients that support mold growth.Type: GrantFiled: June 14, 2002Date of Patent: October 5, 2004Assignee: E. I. du Pont de Nemours and CompanyInventors: Robert B. Bruce, Ashok Harakhlal Shah
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Publication number: 20040191439Abstract: The present invention includes cement compositions and methods for using such cement compositions to coat pipe surfaces, particularly usefull for providing protection from hostile conditions that may otherwise lead to corrosion of the pipe surface. These cement compositions have improved mechanical properties including tensile strength, elasticity, and ductility.Type: ApplicationFiled: March 28, 2003Publication date: September 30, 2004Inventors: Daniel L. Bour, Lance E. Brothers, William J. Caveny
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Patent number: 6797370Abstract: The invention relates to a thin-walled component with a fine cement paste matrix and at least one steel wool mat that is pressed together and embedded in the fine cement paste matrix. The invention also relates to a method for producing a thin-walled component, whereby at least one steel wool mat is pressed together in a perpendicular position with respect to the main extension thereof, injected with a fine cement suspension, surrounded and the suspension is hardened.Type: GrantFiled: June 6, 2001Date of Patent: September 28, 2004Assignee: Dyckerhoff AGInventors: Christian Bechtoldt, Rolf-Rainer Schulz
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Patent number: 6790518Abstract: A structural fabric having a first fiber with a first ultimate strain and a second fiber with a second ultimate strain greater than the first ultimate strain, the first and second fibers being in the same plane. The invention is further directed to a structural fabric having a plurality of axial fibers and a plurality of first diagonal fibers braided with the axial fibers and oriented at a first braid angle relative thereto. The axial fibers include first and second fibers each with an ultimate strain. The ultimate strain of the second fiber again being greater than the ultimate strain of the first fiber. Additionally, the invention is directed to a concrete beam strengthened with the structural fibers of the present invention.Type: GrantFiled: June 7, 2002Date of Patent: September 14, 2004Assignee: Lawrence Technological UniversityInventors: Nabil F. Grace, Wael F. Ragheb, George Abdel-Sayed
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Patent number: 6773794Abstract: The addition of a small amount of plastic fibers to a mix of inorganic magnesium compound, water and other substances adapted to be extruded to form a synthetic construction panel will significantly reduce the degree of slumping which the extruded material will exhibit.Type: GrantFiled: January 8, 2003Date of Patent: August 10, 2004Assignee: Fairmount Distributors, Inc.Inventor: Melvin Lindner
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Patent number: 6762241Abstract: The invention relates to polyurethane solutions with alkoxysilane structural units, processes for the preparation of polyurethane solutions containing alkoxysilane structural units and the use of polyurethane solutions containing alkoxysilane structural units.Type: GrantFiled: September 21, 2001Date of Patent: July 13, 2004Assignee: Bayer AktiengesellschaftInventors: Harald Blum, Detlef-Ingo Schütze
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Publication number: 20040121137Abstract: A structural reinforcing layer made from wire, a structural reinforcing composite layer made from wire, and the resulting load bearing structures made from or retrofitted with wire reinforced plastics and cements. Said layers and structures made from monofilament metallic or pre-cured composite materials twisted into multi-strand wire geometry optimized to mechanically shear load into rigid thermoplastic, thermoset, metallic or cementious resin systems. Wire geometry, count, size and strength/stiffness can be varied in combination with resin type, sheet structure, permeability and orientation to create layers intended for use in composite and cement based structures as originally molded reinforcement or retrofitted structural upgrades.Type: ApplicationFiled: December 10, 2003Publication date: June 24, 2004Inventor: George Tunis
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Patent number: 6753061Abstract: A flexible sandwich panel (100), comprised of a center layer (1) and one or two outer layers (2; 3), where the center layer is made of a polymeric synthetic material, is itself flexible and exhibits a coarse-cell honeycomb structure with open cells (4) in the direction of the upper and lower side of the center layer. The outer layer or layers consist of a hardened mortar that is made flexible with synthetic additives, and that have as their core a web material consisting essentially of fibers, where the exterior side (5) of the hardened outer layer is left unrefined or roughcast in a plaster-like manner. The sandwich panel can be bent without flaking of the outer layers.Type: GrantFiled: March 21, 2003Date of Patent: June 22, 2004Inventor: Stephan Wedi
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Patent number: 6737156Abstract: A gypsum wallboard may have a paper-covered first face with shaped regions formed along side portions near the wallboard edges, and a fibrous mat-covered second face. The fibrous mat material covering the second face extends around the wallboard edges and is overlapped by portions of the paper on the first face. The wallboard can be manufactured by depositing a gypsum slurry onto a moving web of the fibrous mat material, applying a web of the paper to the deposited gypsum slurry, and forming shaped regions in the side portions of the top surface.Type: GrantFiled: September 18, 2002Date of Patent: May 18, 2004Assignee: GP Gypsum Corp.Inventors: Francis J. Koval, David J. Neal, Richard Silversides, Joseph Riccio, Jr., Charles J. Raymond, Felmer F. Cummins
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Publication number: 20040067335Abstract: A composition of matter and method for inducing the rapid strengthening of damaged structures (e.g., buildings, bridges, dams, etc.) by reducing the application and curing times without the need to apply heat and pressure. The composition of matter comprises a strengthening fabric and a bonding agent which may be cured with ultraviolet light, such as sunlight, in less than about 30 min. The strengthening fabric comprises fibers chemically compatible with the bonding agent, and oriented to allow the bonding agent to quickly diffuse through the fabric.Type: ApplicationFiled: October 7, 2002Publication date: April 8, 2004Inventors: Guoqiang Li, Su-Seng Pang
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Patent number: 6703331Abstract: The present invention relates to a fungus resistant gypsum board, made of first and second polymeric fibrous sheets with a gypsum core sandwiched there between. The gypsum core containing less than 0.03% of formulation additives that serve as fungus nutrients and less than 0.5% of the dry gypsum core contains of fungus nutrients. The fibrous sheets are preferably nonwovens and the gypsum core preferably contains a fungicide. The invention is also directed to a process for making a fungus resistant gypsum board.Type: GrantFiled: February 25, 2000Date of Patent: March 9, 2004Assignees: E. I. du Pont de Nemours and Company, Innogyps, Inc.Inventors: Robert B. Bruce, David M. Harriss
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Patent number: 6699576Abstract: A building material having a durable exterior finish comprising a fiber cement substrate laminated with a fluorohydrocarbon protective film. The protective film provides the fiber cement substrate with resistance to weathering and maintains the surface texture of the underlying fiber cement substrate while providing an aesthetically pleasing and uniform pre-finish on the exterior surface. The protective film is bonded to the fiber cement substrate using an adhesive composition comprised of a one-component moisture cure polyurethane or polyurea adhesive composition having a reactive isocyanate compound or a two component polyurethane or polyurea composition.Type: GrantFiled: October 24, 2001Date of Patent: March 2, 2004Assignee: James Hardie Research Pty LimitedInventors: Weiling Peng, Jeffrey Bergh
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Patent number: 6689451Abstract: This invention relates generally to a pre-finished, moisture resistant and durable building material that is able to diffuse stress caused by variations in temperature and climate. One preferred embodiment of the building material includes a fiber cement substrate, at least one resin impregnated paper, and a stress-relieving elastomeric film between the fiber cement substrate and the resin impregnated paper, wherein the elastomeric film acts as a stress relaxer between the fiber cement substrate and the one resin impregnated paper.Type: GrantFiled: November 20, 2000Date of Patent: February 10, 2004Assignee: James Hardie Research Pty LimitedInventors: Weiling Peng, James A. Gleeson, Donald J. Merkley
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Publication number: 20040023015Abstract: A thermal insulation material comprises an intimate mixture of:Type: ApplicationFiled: June 6, 2003Publication date: February 5, 2004Inventor: Mark Bradshaw
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Publication number: 20030232182Abstract: The present invention relates to a gypsum board having a nonwoven liner and a gypsum core. The gypsum board of the present invention has a high work to break, resulting in a gypsum board product that has a high resistance to abuse in use. The gypsum board of the invention is also more flexible and more resistant to water and fire than paper-lined gypsum board, and does not contain nutrients that support mold growth.Type: ApplicationFiled: June 14, 2002Publication date: December 18, 2003Inventors: Robert B. Bruce, Ashok Harakhlal Shah
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Patent number: 6656579Abstract: A concrete product for promotion of afforestation, to be used in an environment where a sufficient amount of water for accelerating germination of seeds is supplied. Carbon fibers are disposed on the outer surface of a concrete body. The carbon fibers are made of filaments having a strand form, non-woven fabric form, woven fabric form, knitted form, or a combination thereof.Type: GrantFiled: February 10, 2000Date of Patent: December 2, 2003Inventors: Akira Kojima, Norihiko Hirano, Shigeru Furukawa
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Publication number: 20030219580Abstract: Construction materials containing surface modified reinforcements are used to fabricate composite structures. The composite structures comprise a matrix material and surface modified reinforcements, such as fibers and particulates. The surface modifier may be applied to a fiber surface using conventional sizing equipment and provides a durable film on the fiber. The surface modifier may be selected to have multifunctional properties, for example, increasing fiber pull-out strength, imparting bio-active properties, improving moisture resistance and other desirable properties to the composite structure.Type: ApplicationFiled: May 27, 2003Publication date: November 27, 2003Applicant: Innovative Construction and Building MaterialsInventors: Christopher D. Tagge, Jacob Freas Pollock, Lennard Torres, David S. Soane, Ken Saito
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Patent number: 6641896Abstract: A sheet material is useful as a waterproof underlayment for a roof of a structure. The sheet material has upper and lower surfaces and comprises a web of reinforcing mat comprising fire-resistant fibers and a continuous non-porous matrix of water-resistant modified bitumen saturating the web of reinforcing mat, wherein the modified bitumen is self-adhesive.Type: GrantFiled: December 21, 2000Date of Patent: November 4, 2003Assignee: The Garland Company, Inc.Inventors: Fred Fensel, Rob Justus
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Publication number: 20030203203Abstract: High strength polyethylene fibers and their applications, for example, chopped fibers, ropes, nets, ballistic materials or items, protective gloves, fiber reinforced concrete products, helmets, and other products obtained therefrom, in which the fiber is characterized in that: it contains a high molecular weight polyethylene consisting essentially of a repeating unit of ethylene; it has an intrinsic viscosity number of 5 or larger and an average strength of 22 cN/dtex or higher; and the measurement of the fiber by differential scanning calorimetry (DSC) exhibits a temperature-increasing DCS curve having at least one endothermic peak over a temperature region of 140° C. to 148° C. (on the low temperature side) and at least one endothermic peak over a temperature region of 148° C.Type: ApplicationFiled: April 2, 2003Publication date: October 30, 2003Applicant: Toyo Boseki Kabushiki KaishaInventors: Yasuo Ohta, Godo Sakamoto, Tadayo Miyasaka, Takayoshi Okano, Junichi Nakahashi, Yukihiro Nomura, Takuya Konishi
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Patent number: 6629392Abstract: The present invention resides in a structure which is particularly advantageous for the manufacture of prefabricated buildings. The structure uses a uniquely formulated exterior wall panel that is bonded to a frame of support members. A connecting member may be used to accommodate support members having a wide variety of cross-sectional shapes. The structure may have a unique cementitious composition that allows it to be fire and insect resistant and generally impervious to moisture.Type: GrantFiled: June 12, 2000Date of Patent: October 7, 2003Inventors: Marcus J. Harrel, Michael J. Schimpf
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Publication number: 20030170439Abstract: A concrete article comprised of concrete having therein a reinforcing polymer that has a surface comprised of a thermoplastic hydroxy-functionalized polyether or polyester. The concrete article is made by mixing concrete, water and a reinforcing polymer that has a surface comprised of a thermoplastic hydroxy-functionalized polyether or polyester and curing said concrete mixture forming the concrete article.Type: ApplicationFiled: February 19, 2003Publication date: September 11, 2003Inventors: Aleksander J. Pyzik, Kenneth B. Stewart, John M. Beckerdite, Hari P. Reddy, Uday V. Deshmukh, Ted A. Morgan, Sharon M. Allen, Kwanho Yang, Nicholas M. Shinkel, David F. Pawlowski
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Publication number: 20030153223Abstract: A method for connecting a metal material with an electric conductive resin material including the steps of heating the connecting portion of the electric conductive resin material with the metal material to a temperature equal to or more than a softening point of the connecting portion and depressing the metal material to the heated portion for melting joint.Type: ApplicationFiled: December 24, 2002Publication date: August 14, 2003Inventors: Akikazu Matsumoto, Tsuyoshi Tanigaki, Takami Noda, Shogo Izawa
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Patent number: 6586083Abstract: A mat for covering soil comprising a lower fabric layer, an upper fabric layer superimposed over the lower fabric layer, and a water absorbing material interposed between said lower fabric layer and upper fabric layer. The mat contains tubular segments containing fabric and hydraulically setting cement. The cover, when wetted, becomes ballasted by the absorbed water and the tubular elements harden to form rigid ribs that hold the mat in conformity with the surface of the underlying soil.Type: GrantFiled: February 3, 1998Date of Patent: July 1, 2003Assignee: U.S. Army Corps of Engineers as represented by the Secretary of the ArmyInventors: Charles Arthur Weiss, Jr., Philip Garcin Malone, Kenneth George Hall, Bartley Patrick Durst
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Publication number: 20030091805Abstract: The present invention may be embodied in a sandwich panel having first and second face panels each having a first predetermined thickness and being formed of a fiber-reinforced cementitious material. The sandwich panel further includes support frame for supporting the first and second face panels in a spaced apart configuration. The support frame is formed of a fiber-reinforced cementitious material that is continuous with the cementitious material of the first and second face panels.Type: ApplicationFiled: November 14, 2001Publication date: May 15, 2003Inventors: Michael S. Jensen, Kurt S. Martin
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Patent number: 6562444Abstract: A building material is provided in which fiber-cement is laminated to gypsum to form a single piece laminate composite. This single piece laminate composite exhibits improved fire resistance and surface abuse and impact resistance, but achieves these properties without the excessive weight and thickness of two piece systems. Additionally, because of the reduced thickness, the preferred laminate building material is easier to cut and is quicker and easier to install than two piece systems. Furthermore, forming the fiber-cement and gypsum into a single piece laminate eliminates the need to install two separate pieces of building material, thereby simplifying installation. In one embodiment, a ⅝″ thick laminate composite is provided in which a ½″ thick gypsum panel laminated to a ⅛″ thick fiber-cement sheet, the laminate composite having a fire resistance rating of 1 hour when measured in accordance with ASTM E119-98.Type: GrantFiled: October 10, 2000Date of Patent: May 13, 2003Assignee: James Hardie Research Pty LimitedInventors: James A. Gleeson, Mark T. Fisher, Donald J. Merkley
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Publication number: 20030082376Abstract: Synthetic polymer reinforcing fibers provide dispersability and strength in matrix materials such as concrete, masonry, shotcrete, and asphalt. The individual fiber bodies, substantially free of stress fractures and substantially non-fibrillatable, have generally quadrilateral cross-sectional profiles along their elongated lengths.Type: ApplicationFiled: December 11, 2002Publication date: May 1, 2003Applicant: W.R. GRACE & CO.-CONN.Inventors: Klaus Alexander Rieder, Neal S. Berke, Michael B. Macklin, Anandakumar Ranganathan
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Patent number: 6537653Abstract: A bondable wood cellulosic filler/olefinic plastic composite sheet material made by extruding in a sheet shape a mixture consisting of: (1) 40-60 parts by weight of an olefinic plastic; (2) 60-40 parts by weight of a wood cellulosic filler, the size thereof being 40-110 mesh and the water content being not exceeding 5%; and (3) 0.5-5.0 parts by weight of an additive mainly consisting of polypropylene modified by maleic anhydride or its derivative.Type: GrantFiled: April 20, 2000Date of Patent: March 25, 2003Assignee: Namba Press Works Co., Ltd.Inventors: Fumi O Goto, Yasumasa Kasahara, Tatsuyuki Ishiura
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Patent number: 6537664Abstract: A cleaning sheet for a fuser member, comprising an ultrafine fibers-containing portion including (a) first ultrafine fibers formed from a resin having a softening point of higher than 230° C., having a non-circular cross-sectional shape, and having a fiber diameter of not more than 10 &mgr;m, and (b) second ultrafine fibers formed from a resin having a softening point of 150 to 230° C., and having a fiber diameter of not more than 10 &mgr;m, wherein at least one surface of the cleaning sheet is contained in the ultrafine fibers-containing portion, and the second ultrafine fibers in a surface portion containing the surface are deformed by press-attaching is disclosed.Type: GrantFiled: April 25, 2001Date of Patent: March 25, 2003Assignee: Japan Vilene Company, Ltd.Inventor: Masahiro Nakajima
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Publication number: 20030044592Abstract: The present invention relates to the field of toughening and reinforcing brittle matrix materials, and more specifically to the structural fibers made from an oriented film, which enhance the toughness of matrix materials such as concrete, cement, and other cementitious products.Type: ApplicationFiled: September 10, 2001Publication date: March 6, 2003Applicant: 3M Innovative Properties CompanyInventors: Mario A. Perez, James F. Sanders, Robert S. Kody, Troy K. Ista, Clifford N. MacDonald
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Patent number: 6528151Abstract: An extruded fiber reinforced cement matrix composite having substantially improved tensile strength with strain hardening behavior and substantially improved tensile strain, and improved flexural properties in three-point bending is made by mixing cement, water, water soluble binder, and relatively short, discontinuous reinforcing fibers, preferably short polyvinyl alcohol fibers, to provide an extrudable mixture, the extruding the mixture to shape, and curing the cement.Type: GrantFiled: April 1, 1999Date of Patent: March 4, 2003Assignee: Northwestern UniversityInventors: Surendra P. Shah, Yixin Shao, Shashi Marikunte
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Patent number: 6503613Abstract: A friction liner for a dry friction clutch for a motor vehicle comprises a friction material made by a method which includes the impregnation of a mineral fiber based yarn with an aqueous impregnating cement, which contains latex and a phenolic resin which is at least partly in the form of a phenolate.Type: GrantFiled: June 17, 1999Date of Patent: January 7, 2003Assignee: ValeoInventor: Christian Biot
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Publication number: 20020192510Abstract: A composite product comprising a substrate layer and one or more functional layers applied thereto. The slurry is applied to the substrate layer to form a functional layer and the functional layer dewatered through the substrate layer. The functional layers can be repeated to build up a laminated composite product. Functional additives may be included in each layer to provide desired properties to that layer and indeed to the subsequent composite product.Type: ApplicationFiled: March 4, 2002Publication date: December 19, 2002Inventors: Basil Naji, John Sydney Cottier, Robert Lyons
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Publication number: 20020182395Abstract: A body (5) of set, initially pasty material, such as concrete, includes an electrically conducting path formed by a concentrated layer (6) of electrically conducting magnetizable elements, such as fibres (F) or granules (G), embedded in the initially pasty material and extending through at least a portion of the body (5). Electrically conducting terminal members (9) may be connected to the electrically conducting layer (6) at spaced-apart positions along the layer (6). A method of providing such a body (5) includes the steps of: (a) forming a body of the pasty material in which electrically conducting magnetizable elements (F) are dispersed, (b) applying a magnetic field to the body of pasty material to form from the magnetizable elements an electrically conducting layer embedded in the body of pasty material and extending at least through a portion the body (5), and (c) causing the body of pasty material containing the layer (6) to set.Type: ApplicationFiled: June 10, 2002Publication date: December 5, 2002Inventor: Bjorn Svedberg
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Publication number: 20020182408Abstract: Synthetic polymer reinforcing fibers provide dispersability and strength in matrix materials such as concrete, masonry, shotcrete, and asphalt. The individual fiber bodies, substantially free of stress fractures and substantially non-fibrillatable, have generally quadrilateral cross-sectional profiles along their elongated lengths. Preferred fibers and matrix materials having such fibers demonstrate excellent finishability in addition to dispersion and toughness properties.Type: ApplicationFiled: March 15, 2002Publication date: December 5, 2002Applicant: W.R. Grace & Co.-Conn.Inventors: Klaus-Alexander Rieder, Neal S. Berke, Michael B. Macklin, Anandakumar Ranganathan, Salah Altoubat
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Patent number: 6485820Abstract: A durable belt device includes an outer layer made out of a rubber based material and an inner layer that includes at least one reinforcing ply of tear-resistant scrim fabric located between opposed surfaces thereof and a multiplicity of needle fibers that run substantially transversely and perpendicularly through the reinforcing ply and protrude out from at least one surface of the inner layer. A bonding agent forms an intermediate layer that secures the outer layer to the one surface of the inner layer such that the fibers at least partially extend therein.Type: GrantFiled: November 13, 2001Date of Patent: November 26, 2002Inventor: Gerard Michaud
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Patent number: 6482507Abstract: The fiber compound material contains at least one fiber component and at least two matrix components of different material classes which have different thermo-mechanical properties. In a manufacture of the compound material two matrix components can be liquefied and fiber filaments of the fiber component can be wetted by the liquefied matrix components. In this in the liquefied state the one matrix component is not soluble in the other. In a consolidation of the compound material one of the previously liquefied matrix components can be hardened out irreversibly to a duroplastic whereas the other of the previously liquefied matrix components remains meltable.Type: GrantFiled: April 6, 2001Date of Patent: November 19, 2002Assignee: Suizer Markets and Technology AGInventor: Albert Maria Vodermayer
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Publication number: 20020160174Abstract: The present invention relates to a method for reinforcing mineral-based materials using reinforced fiber material. More particularly, the present invention relates a method for more uniformly dispensing a fiber material with a mineral-based material, such as cement paste.Type: ApplicationFiled: November 6, 2001Publication date: October 31, 2002Inventors: Hiroki Nanko, Kimberly E. Kurtis
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Publication number: 20020155269Abstract: The present invention is a low density hybrid airfoil comprising a temperature resistant exterior layer and a tough, high impact resistant interior layer. Specifically, the airfoil comprises a monolithic ceramic exterior layer and a fiber reinforced ceramic matrix composite interior layer. Both the monolithic ceramic and fiber reinforced ceramic matrix composite are low density materials. Additionally, the monolithic ceramic is a high temperature resistant material, and the fiber reinforced ceramic matrix composite is a relatively high impact resistant structure. Encapsulating the airfoil with a temperature resistant exterior layer protects the airfoil in a high temperature environment, and supporting the airfoil with a high impact resistant, fiber reinforced ceramic matrix composite improves the overall impact resistance of the airfoil thereby resulting in a tough, high temperature resistant, low density airfoil.Type: ApplicationFiled: April 24, 2002Publication date: October 24, 2002Inventors: John E. Holowczak, Karl M. Prewo, Jayant S. Sabnis, William K. Tredway
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Publication number: 20020127933Abstract: The invention concerns a material for producing built-up roofing, comprising a textile support (T) covered, on one of its faces, with a surface layer (4) closely bound thereto, and consisting of a synthetic resin, said surface layer (4) being based on thermoplastic resins selected from the family of polyolefins, capable of being produced in sheet. The invention is characterized in that said surface layer (4) is based on ethylene polymers or copolymers, its combination with the textile support (T) being obtained by calendering, the latter being embedded over part of its thickness inside the resin layer (4).Type: ApplicationFiled: January 29, 2002Publication date: September 12, 2002Applicant: Textiles Et Plastiques ChomaratInventors: Gerard Baccus, Philippe Sanial, Bruno Cledat
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Publication number: 20020121326Abstract: Gypsum plaster compositions with improved adhesion to plastic surfaces and metal surfaces comprise from 10 to 90% by weight of gypsum plaster, based on the total weight of the composition, and also, where appropriate, other additives, and a combination of: a) one or more water-redispersible polymer powders based on one or more vinyl ester, (meth)acrylate, vinylaromatic, olefin, 1,3-diene, or vinyl halides monomers, and optionally other monomers copolymerizable therewith; and b) one or more alkali metal and/or alkaline earth metal salts of short-chain fatty acids having from 1 to 4 carbon atoms in the hydrocarbon skeleton and from 1 to 4 carboxy groups, and which contain no OH groups.Type: ApplicationFiled: November 7, 2001Publication date: September 5, 2002Applicant: Wacker Polymer Systems GmbH & Co. KGInventors: Klaus Adler, Alois Sommerauer
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Patent number: 6440543Abstract: A floorcovering tile is provided which has an upper and a lower layer and a carrier arranged between these, where at least one of the two layers is a service layer. The floorcovering tile retains its flatness even when temperature and/or humidity varies. A process for producing the floorcovering tile is also described.Type: GrantFiled: January 4, 1999Date of Patent: August 27, 2002Assignee: DLW AktiengesellschaftInventor: Hans-Dieter Vieluf
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Publication number: 20020114928Abstract: This invention provides a composite material having a matrix of structural material containing embedded zones of soft elastic material and zones of solid relatively high density material within the soft elastic material. By selecting a particular resonance frequency for the subunits of soft elastic material and solid high density material, frequencies just lower than the resonance frequencies will be unable to propagate through the material and be strongly reflected or absorbed. Such material may be used in the manufacture of filters or shields against particular target frequencies. Subunits having a variety of resonance frequencies may provide a broader range of frequencies that the material may shield.Type: ApplicationFiled: April 3, 1998Publication date: August 22, 2002Inventors: PING SHENG, RONGFU XIAO, WEIJIA WEN, ZHENG YOU LIU
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Publication number: 20020110678Abstract: A concrete article comprised of concrete having therein a reinforcing polymer that has a surface comprised of a thermoplastic hydroxy-functionalized polyether or polyester. The concrete article is made by mixing concrete, water and a reinforcing polymer that has a surface comprised of a thermoplastic hydroxy-functionalized polyether or polyester and curing said concrete mixture forming the concrete article.Type: ApplicationFiled: December 7, 2000Publication date: August 15, 2002Inventors: Aleksander J. Pyzik, Kenneth B. Stewart, John M. Beckerdite, Hari P. Reddy, Uday V. Deshmukh, Ted A. Morgan, Sharon M. Allen, Kwanho Yang, Nicholas M. Shinkel, David F. Pawlowski