Coating Or Impregnation Improves Stiffness Of The Fabric Other Than Specified As A Size Patents (Class 442/103)
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Patent number: 6403504Abstract: The instant invention involves a process used in preparing fibrous tows which may be formed into polymeric plastic composites. The process involves the steps of (a) forming a carbon fiber tow; (b) forming a thermoplastic polymeric fiber tow; (c) intermixing the two tows; and (d) withdrawing the intermixed tow for further use.Type: GrantFiled: December 2, 1999Date of Patent: June 11, 2002Assignee: Cytec Technology Corp.Inventors: Paul E. McMahon, Tai-Shung Chung, Lincoln Ying
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Publication number: 20020065008Abstract: A roll cover for use on a flat work ironer is provided, having an improved texture. The roll cover is a sheet of thermally resistant fabric that is coated or impregnated with a mixture of an acrylic resin and a stiffening agent. The improved roll cover is textured, preferably with ridges, so as to grip fabric more effectively.Type: ApplicationFiled: July 31, 2001Publication date: May 30, 2002Inventor: Michael T. Stanhope
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Patent number: 6387830Abstract: A simple, inexpensive, drillable, reduced CTE laminate and circuitized structures comprising the reduced CTE laminate, is provided. The reduced CTE laminate comprises: from about 40% to 75%, preferably from about 55% to 65%, by weight resin; from about 0.05% to 0.3%, preferably from about 0.08% to 0.10%, by weight curing agent; from about 25% to 60%, preferably from about 30% to 40%, by weight, woven cloth; from about 1% to 15%, preferably from about 5% to 10%, by volume, non-woven quartz mat. The present invention also generally relates to a method for reducing the CTE of circuitized structures, and to methods for making reduced CTE laminate and circuitized structures comprising reduced CTE laminate.Type: GrantFiled: March 10, 1999Date of Patent: May 14, 2002Assignee: International Business Machines CorporationInventors: Lawrence Robert Blumberg, Robert Maynard Japp, William John Rudik, John Frank Surowka
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Publication number: 20020037678Abstract: An elastically stretchable composite sheet includes an elastic layer and an inelastic layer formed with stretchable fibers having a relatively small diameter and bonded to at least one surface of the elastic layer. In the inelastic layer bonded to the elastic layer is formed with thermoplastic synthetic fiber, at least 80% by weight of stretchable fibers includes thermoplastic synthetic fiber containing lubricant of 0.1˜5.0% by weight.Type: ApplicationFiled: March 20, 2001Publication date: March 28, 2002Inventor: Hiroyuki Ohata
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Patent number: 6355584Abstract: A multi-layer fabric is prepared from a chopped glass-fiber strand mat, at least one layer of continuous glass-fiber rovings and a porous tissue-paper backing. The tissue paper is disposed on a first lateral surface of the chopped-strand mat. The roving layer(s) overlay an opposed lateral surface of the mat. The layers are stitch-bonded together to form a complex fabric having advantageous resin wet-out when used as a reinforcement in a composite product.Type: GrantFiled: March 20, 2000Date of Patent: March 12, 2002Assignee: Owens Corning Fiberglas Technology, Inc.Inventor: José Corrons
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Patent number: 6352947Abstract: A filtration fabric which is composed of 15.0 to 100.0% binder fiber, 0.0 to 85.0% pulp portion, 0.0% to 15.0% latex binder or other stiffening agent. A filter media made of the fabric has an improved flow rate averaging no more than 21 seconds, while maintaining an average sediment retention of 70% and minimum wet burst strength of about 40 psi to about 50 psi, preferably about 50 psi.Type: GrantFiled: June 9, 1999Date of Patent: March 5, 2002Assignee: BBA Nonwovens Simpsonvillle, Inc.Inventors: Clement J. Haley, Larry L. Kinn
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Publication number: 20020022428Abstract: A laminar material suitable for use in the manufacture of shoes comprising an extruded core (10) having laminated thereto on both sides a fiber fabric layer (12), the thermoplastic sheet core (10) comprising a mixture of granulated scrap shoe stiffener material with virgin extrudable thermoplastics material the core including at least 40% by weight of virgin extrudable thermoplastics material. Hot melt adhesive coatings (14) are applied on both sides. The scrap material in the core (10) includes fibrous particles (16). A method of making such a material is also described.Type: ApplicationFiled: September 10, 2001Publication date: February 21, 2002Inventors: Gareth Parker, Brian Arnold
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Publication number: 20010034170Abstract: A double-faced PTFE-silicone rubber reinforced composite with curling tendency controlled is achieved by coating one side of a balanced PTFE/glass composite with liquid silicone rubber. Each face of the composite can perform independent functions in a single application, thereby optimizing performance.Type: ApplicationFiled: January 18, 2001Publication date: October 25, 2001Inventor: Frank M. Keese
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Patent number: 6239049Abstract: The present invention provides a composition for use in coated abrasives. The curable composition comprises a mixture of: i) from about 30 to about 60 weight percent of an oligomeric aminoplast resin having on average at least one pendant &agr;,&bgr;-unsaturated carbonyl group per oligomeric unit; ii) from about 70 to about 40 weight percent of a thermoplastic polyamide miscible in said aminoplast resin, the weight percents being based on the total resin content; and iii) a sufficient amount of a catalyst for the curable oligomeric aminoplast resin having on average at least one pendant &agr;,&bgr;-unsaturated carbonyl group per oligomeric unit, said catalyst being stable at a temperature of mixing of the components. The curable composition can either be in the form of a melt-processable solid or a molten mixture. The present invention also provides single and multilayered treated backing substrates used in coated abrasives.Type: GrantFiled: December 22, 1998Date of Patent: May 29, 2001Assignee: 3M Innovative Properties CompanyInventors: Robert A. Follensbee, Michael L. Teetzel, Robert J. DeVoe, Gregg D. Dahlke
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Patent number: 6159877Abstract: The present invention provides a unique knit construction having a nonfiberglass yarn for controlling stiffness, i.e., a stiffness-controlling yarn. The knit may optionally have a nonfiberglass microdenier yarn and/or a heat shrinkable yarn.Type: GrantFiled: February 13, 1998Date of Patent: December 12, 2000Assignee: 3M Innovative Properties CompanyInventors: Matthew T. Scholz, Miroslav Tochacek, Jason L. Edgar
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Patent number: 6159589Abstract: An injection molded fiber-impregnated thermoplastic composite material comprising a plastic polymer matrix wherein the fibers are sufficiently interwoven and entangled in said polymer matrix to provide improved resistance to mechanical loading, and wherein said composite material is particularly suited for the preparation of an injection molded toe cap for a protective shoe.Type: GrantFiled: November 26, 1997Date of Patent: December 12, 2000Assignee: H.H. Brown Shoe CompanyInventors: Paul C. Isenberg, Christopher J. Beard, Nick R. Schott
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Resin for an oriented-reinforcement prepreg that can be shaped and molded products that are obtained
Patent number: 6136883Abstract: A modified polyester-polyurethane resin is formed by reacting at least one polyisocyanate at least one polyol polyester that is prepared from at least one diacid or ethylenically unsaturated anhydride and at least one polyhydric alcohol, at least one ethylenically unsaturated monomer, at least one promoter of the decomposition of the catalyst peroxide, at least one catalyst of the isocyanate-alcohol reaction, and at least one hydroxylated (alk)acrylate and is used for the impregnation of oriented reinforcements. The resin makes possible quick molding, at moderate temperature, of parts with high mechanical properties.Type: GrantFiled: February 7, 1996Date of Patent: October 24, 2000Assignee: Cray Valley S.A.Inventors: Yeong-Show Yang, Francette Porato, Serge Lequeux -
Patent number: 6103643Abstract: The present invention relates to a stiffened fabric for use in cartridge filters comprising flat fabric formed from entangled heat resistant staple fibers having a weight of from 4 to 8 oz/yd.sup.2 wherein the stiffened fabric is characterized by a flex modulus of at least 10 KSI measured at 200.degree. C.Type: GrantFiled: July 15, 1998Date of Patent: August 15, 2000Assignee: E. I. du Pont de Nemours and CompanyInventor: Herman Hans Forsten
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Patent number: 5972809Abstract: The present invention provides a waterborne coating composition which includes a polymeric film-forming resin. The polymeric film-forming resin includes a dispersion of polymeric microparticles prepared by forming, in aqueous medium, a mixture of: (a) an unsaturated, substantially hydrophobic polyester component, and (b) an ethylenically unsaturated monomer component. With various hydrophobic polyesters, the ethylenically unsaturated monomer component of the polymeric film-forming resin includes: (a) an acrylamide or methacrylamide with N-methylol or N-alkoxymethyl functionality, (b) an alpha-beta ethylenically unsaturated compound with carboxyl functionality, and (c) an alpha-beta ethylenically unsaturated compound with no additional reactive functionality. Such a waterborne coating composition has a low V.O.C., provides added stiffness, does not block, and can be applied in such a manner that it does not substantially mask the texture of the nonwoven fabrics and/or textiles over which it is applied.Type: GrantFiled: February 2, 1998Date of Patent: October 26, 1999Assignee: PPG Industries Ohio, Inc.Inventors: Dennis L. Faler, James R. Franks, Roxalana L. Martin
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Patent number: 5854143Abstract: Material for antiballistic protective clothing comprising in a single-layer or multi-layer package or laminate at least one layer of a flat structure containing an organic dilatancy agent This flat structure is particularly suited for a trauma package in an antiballistic package. The flat structure with a dilatancy agent results in a significant improvement in the antiballistic effect and, in particular, a reduction in the trauma effect. The material finds special application for bullet-proof and splinter-proof vests and correspondingly for helmets. Moreover, the material of the invention can be used in clothing protecting against impact.Type: GrantFiled: February 3, 1997Date of Patent: December 29, 1998Assignee: Akzo Nobel NVInventors: Dieter Hans Peter Schuster, Achim Gustav Fels
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Patent number: 5804277Abstract: A fiber reinforced composite structure and method for fabricating the composite, are described wherein four sets of mechanically flexible fibers are interwoven in a three-dimensional woven structure wherein each fiber is woven through the structure generally along one of the four directions defined generally parallel to a body diagonal of a cube, and wherein the woven structure is impregnated with polymeric, metallic or ceramic matrix material to form a composite material which is braced against deformation by shear applied in any orientation.Type: GrantFiled: July 1, 1996Date of Patent: September 8, 1998Assignee: The United States of America as represented by the Secretary of the Air ForceInventor: Kenneth H. G. Ashbee
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Patent number: 5744528Abstract: The present invention provides a method of preparing an orthopedic cast comprising the step of coating a porous flexible substrate with a water-curable resin composition composed of a water-reactive alkoxysilane terminated resin having at least one hydrolyzable group per molecule. The resin composition has a viscosity of no greater than about 500 Pa-s under ambient conditions and contains less than about 1 wt-% of a solvent, based on the total weight of the resin composition.Type: GrantFiled: May 15, 1995Date of Patent: April 28, 1998Assignee: Minnesota Mining and Manufacturing CompanyInventors: Andrew Callinan, Matthew T. Scholz
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Patent number: 5665463Abstract: Thermodynamically stable ceramic composites are provided for use in high temperature reactive environments. A phosphate selected from monazites and xenotimes functions as a weak bond material in the composite. Monazite comprises a family of minerals having the form MPO.sub.4, where M is selected from the larger trivalent rare earth elements of the lanthanide series (La, Ce, Pr, Nd, Pm, Sm, Eu, Gd, and Tb) and coupled substituted divalents and tetravalents such as Ca or Sr with Zr or Th. Xenotimes are phosphates similar to monazite where M is selected from Sc, Y, and the smaller trivalent rare earth elements of the lanthanide series (Dy, Ho, Er, Tm, Yb, and Lu).Type: GrantFiled: January 26, 1996Date of Patent: September 9, 1997Assignee: Rockwell International CorporationInventors: Peter E. D. Morgan, David B. Marshall
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Patent number: 5650217Abstract: A sheet material is capable of converting a two dimensional image which may be of interest to a visually handicapped individual, into a three dimensional raised image that can be perceived by the visually handicapped individual using the individual's tactile sense. The method, apparatus and material uses a sheet-like substrate which is coated throughout its entire area by an expandable composition. A two dimensional, initially flat, image can be drawn, imprinted or otherwise placed on the substrate using a dark, dense color which is preferably black. The black color of the image absorbs energy to a greater extent than the surrounding substrate so that when the substrate is irradiated, for example, using an infrared lamp in an enclosure through which the sheet of material passes, the image becomes puffed and raised. The visually handicapped individual can than touch the surface of the substrate and easily perceive the raised image.Type: GrantFiled: October 18, 1995Date of Patent: July 22, 1997Assignee: Repro-Tronics, Inc.Inventors: David A. Skrivanek, Joseph L. Zuckerman