Next To Cellulosic Patents (Class 428/464)
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Patent number: 5422170Abstract: Wood fiber, inorganic cellular material, flame retardant and an organic binder for binding these materials, are mixed together and hot press formed to give a wood based panel. The resultant panel has a wood like texture, is light weight, has excellent sound absorption properties, and is semi-incombustible, and has a good insulating property for use as a wall or ceiling material.Type: GrantFiled: March 31, 1993Date of Patent: June 6, 1995Assignee: Yamaha CorporationInventors: Ritsuo Iwata, Hirotoshi Takahashi, Satoshi Suzuki, Shiro Hanao
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Patent number: 5415910Abstract: An inner layer, i.e. liner, for a generally tubular, multilayered dough container comprising a laminated web suitable for being helically wound into a tubular geometry and which includes a plurality of layers, the innermost of such web layers providing improved bonding characteristics for the liner, hence improved containment and sealing of the dough, and a container including such liner.Type: GrantFiled: June 7, 1994Date of Patent: May 16, 1995Assignee: International Paper CompanyInventor: Gary H. Knauf
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Patent number: 5407471Abstract: Corrosion inhibitor compositions with improved activity are prepared from a neutral or overbased salt of an organic acid and another metal-containing corrosion inhibitor.Type: GrantFiled: June 21, 1994Date of Patent: April 18, 1995Assignee: The Lubrizol CorporationInventors: Eric L. Rohr, Leonard S. Cech, Barry M. Saltzman
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Patent number: 5338347Abstract: Corrosion inhibitor compositions with improved activity are prepared from a neutral or overbased salt of an organic acid and another metal-containing corrosion inhibitor.Type: GrantFiled: September 11, 1992Date of Patent: August 16, 1994Assignee: The Lubrizol CorporationInventors: Eric L. Rohr, Leonard S. Cech, Barry M. Saltzman
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Patent number: 5264062Abstract: The present invention is related to a production method for a composite molded article. The method comprises the steps of: forming a composite wood overlay surface material by laminating a wood veneer on a front side of a base sheet selected from one of a metal sheet and a resin sheet; laminating a back sheet selected from one of a porous material and a fibrous material on a back side of said base sheet; coating said wood veneer incorporated in said composite wood overlay surface material; placing said composite wood overlay surface material in a mold; and injecting a resin onto said back sheet incorporated in said composite wood overlay surface material. Thus, the present invention provides a composite molded article having an excellent appearance of coating on the surface of the article and automation of the coating step is possible.Type: GrantFiled: September 8, 1992Date of Patent: November 23, 1993Assignee: Yamaha CorporationInventors: Hisayoshi Ohsumi, Takeshi Matsumoto, Shinji Kato, Mitsuo Ishizuka, Shoichi Kaneko
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Patent number: 5244721Abstract: A decorative static dissipative high pressure laminate having a plurality of consolidated thermosetting resin impregnated layers including a core and a decor surface layer to provide a surface resistance no greater than 2.times.10.sup.9. The core comprises at least one thermosetting resin impregnated paper core sheet and at least one special thermosetting resin impregnated core sheet of predominately paper fibers and a small quantity of stainless steel fibers irregularly distributed among the paper fibers.Type: GrantFiled: May 13, 1992Date of Patent: September 14, 1993Assignee: Nevamar CorporationInventors: Christine C. Wyche, Robin O'Dell, Israel S. Ungar
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Patent number: 5225287Abstract: A susceptor includes a substrate and a metal layer coupled to the substrate. An adhesive layer is coupled to the metal layer and a support layer is coupled to the adhesive layer for supporting the susceptor structure. The metal layer includes nickel, chromium and iron each comprising a percentage of the metal layer approximately within the following ranges: nickel is 60% to 68%; chromium is 5% to 37%; and iron is 3% to 38%.Type: GrantFiled: May 3, 1991Date of Patent: July 6, 1993Assignee: The Pillsbury CompanyInventors: Michael R. Perry, Andrew H. Johnson, Ronald R. Lentz, Craig M. Shevlin
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Patent number: 5225264Abstract: A composite molded article comprising a layer 5 made of a synthetic resin on which is laminated a surface material 1 having a construction such that wood veneers 3 and 4 are laminated on the surfaces of a metal sheet 2. A method for molding a composite molded article comprises the steps of: arranging, in a metal mold 7 for molding, a surface material 1 which has a construction such that wood veneers 3 and 4 are laminated on each surface of a metal sheet 2; and molding a synthetic resin 5 on a backside of the surface material 1 to integrate the surface material 1 with the synthetic resin 5.Type: GrantFiled: December 6, 1990Date of Patent: July 6, 1993Assignee: Yamaha CorporationInventors: Nobuji Kato, Hisayoshi Ohsumi
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Patent number: 5223326Abstract: A corrugated metal-clad sandwich panel with a wafer composite core is provided. The single stage process for the panel manufacture involves utilizing a press platen system which is mechanically convertible between a planar and a corrugated configuration. The metal sheet is first placed on the lower platen which is in the planar configuration. The wafers and an isocyanate resin in admixture are uniformly distributed over the metal sheet. Optionally, a second metal sheet is placed over the wafer/resin mat. The platens are biased together to precompress the mat. Finally, the platens are converted from the planar to the corrugated configuration, thus forming the corrugated metal-clad sandwich panel having a waferboard core in a single stage.Type: GrantFiled: April 23, 1991Date of Patent: June 29, 1993Assignee: Alberta Research CouncilInventor: Lars Bach
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Patent number: 5219629Abstract: Sandwich panels and methods of making them, i.e., laminates which comprise two metal sheets with a filled resin core between a bonded metal sheets, which are useful for structural and other uses wherein the laminates utilize combinations of metal skins, metal surface preparation, resins, fillers, and reinforcement bonded together in the sandwich structure to provide a laminate having a flexural modulus of at least 1.7 million psi, a rigidity index of at least about 2,000 and other unique properties which enable the laminates to be particularly useful for thin wall trailer body construction, as well as other structural and non-structural uses. A rigidity index property for sandwich structures and panels and a falling ball impact test are disclosed and used to characterize the properties of sandwich laminates.Type: GrantFiled: July 3, 1991Date of Patent: June 15, 1993Assignee: Chemical & Polymer Technology, Inc.Inventor: Igor Sobolev
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Patent number: 5200258Abstract: A support for used in photographic printing paper is provided comprising a base paper covered on both sides with polyolefin coating, said base paper being one which has undergone calender treatment between a metallic roll and a synthetic resin roll and then between a metallic roll and another metallic roll.In a preferred embodiment, the calender treatment is performed at the final finishing process. The calender treatment between the metallic roll and the synthetic resin roll is performed in such a manner that the density of the paper is increased to from 0.70 to 1.00 g/cm.sup.3 and the calender treatment between the metallic rolls is performed in such a manner that the density of the paper is increased to from 1.00 to 1.20 g/cm.sup.3. The material of the synthetic resin roll is selected from the group consisting of urethane resin, ebonite resin, nylon resin, aramide resin and isocyanurate resin. The hardness of the synthetic resin roll is from 60 to 90, preferably 75 to 90 in terms of Shore hardness.Type: GrantFiled: April 4, 1990Date of Patent: April 6, 1993Assignee: Fuji Photo Film Co., Ltd.Inventors: Shigehisa Tamagawa, Masafumi Kashiwagi
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Patent number: 5198065Abstract: The present invention relates to a creosote resistant epoxy adhesive system comprising(A) a low viscosity primer comprising(a) a resin component comprising diglycidyl ether of Bisphenol A, diglycidyl ether of butanediol, and epoxy silane; and(b) a hardener component comprising an aliphatic amine; and(B) an adhesive component comprising(a) a resin component comprising diglycidyl ether of Bisphenol A, a diluent, a filler, and epoxy silane; and(b) a hardener component comprising a combination of (i) an aliphatic or aromatic amine and (ii) a polyamide or an adducted amine with diglycidyl ether of Bisphenol, and a fillerand wherein a flexibilizer is present in either component (a) or component (b) of said adhesive component.Type: GrantFiled: February 25, 1991Date of Patent: March 30, 1993Assignee: Ciba-Geigy CorporationInventor: Rajan Eadara
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Patent number: 5182379Abstract: Modified cellulose esters are described that are prepared by grafting melamine moieties onto the backbone of cellulose esters. The resulting materials are useful in coating applications for wood, leather, and metal substrates and yield highly solvent-resistant coatings with enhanced properties when heated in the presence of an acid catalyst.Type: GrantFiled: June 5, 1990Date of Patent: January 26, 1993Assignee: Eastman Kodak CompanyInventors: Phillip M. Cook, David S. Kashdan
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Patent number: 5169722Abstract: An anti-copying composite film comprising a substratum of paper or synthetic resin film, a metallic foil formed on the surface of said substratum and a colored transparent synthetic resin coating layer applied to the surface of said metallic foil, said anti-copying composite film being characterized in that the color of the coating layer is selected in Munsell color system so that the value may be 9 or less than 9 regardless of the hue, while the chroma is selected so that an index calculated in a formula on the base of the difference of the value and the difference of chroma with respect to those of black may be 20 or more than 20.Type: GrantFiled: November 29, 1990Date of Patent: December 8, 1992Assignee: Kisokaseisangyou Co., Ltd.Inventor: Shin Nakashima
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Patent number: 5145722Abstract: A method and composition for protecting and enhancing the solderability of a metallic surface. A mixture which includes a chosen protective material and a dicarboxylic acid fluxing agent is applied to the metallic surface to form a protective film or coating which also enhances the solderability of the metallic surface. The mixture is applied to the metallic surface as a solution having a solvent carrier which evaporates to leave the film. the film is heat activated at soldering temperatures to release the fluxing agent.Type: GrantFiled: October 5, 1990Date of Patent: September 8, 1992Assignee: Hughes Aircraft CompanyInventor: Alfred F. Kaspaul
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Patent number: 5116670Abstract: Resin compositions for laminated sheets and laminated sheets produced therefrom are disclosed, the compositions comprising at least one allyl ester resin composed of a polybasic acid and a polyhydric alcohol, wherein an allyl ester group of said resin is bonded to at least one of terminals thereof.Type: GrantFiled: September 28, 1990Date of Patent: May 26, 1992Assignee: Showa Denko K.K.Inventors: Noboru Suzuki, Masaharu Yoshida, Satoshi Noda, Minoru Takaishi, Kenichiro Takiguchi, Hiroshi Uchida, Takeshi Onoda
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Patent number: 5102457Abstract: Compounds of formula I: ##STR1## in which R, R.sub.1, R.sub.2, R.sub.3, R.sub.4, R.sub.5, R.sub.6 and R.sub.7 are as defined in claim 1, are suitable as corrosion inhibitors in surface coatings for metals.Type: GrantFiled: April 10, 1991Date of Patent: April 7, 1992Assignee: Ciba-Geigy Corp.Inventors: Adalbert Braig, Emyr Phillips
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Patent number: 5093184Abstract: This invention is concerned with security paper for bank notes, cheques and like documents in a security strip of enhanced security which is more difficult to counterfeit than the present bank notes containing window threads.Type: GrantFiled: May 29, 1990Date of Patent: March 3, 1992Assignee: Portals LimitedInventor: David J. Edwards
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Patent number: 5089348Abstract: An improved method for providing a smooth, abrasion resistant surface substantially free of surface irregularities on a solid substrate possessing surface irregularities, the method comprising the steps of: (a) forming an uncured and unbonded laminate overlay of at least two sheets of cellulose impregnated with a thermosettable resin; (b) substantially curing the thermosettable resin to form a laminate overlay that is both precured and bonded; and (c) adhering the precured bonded laminate overlay to a solid substrate possessing surface irregularities so as to substantially bridge the irregularities. The method has particular application to the manufacture of concrete forms.Type: GrantFiled: July 3, 1989Date of Patent: February 18, 1992Inventor: Lauren G. Louderback
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Patent number: 5082914Abstract: The invention describes the preparation and use of cellulose esters grafted with silicon-containing thiol pendent groups which can serve as crosslinking agents during free radical polymerization of ethylenically unsaturated materials. The grafted cellulose esters provide a crosslinked polymeric network with enhanced solvent resistance and hardness properties when used in conjunction with ethylenically unsaturated materials.Type: GrantFiled: December 15, 1989Date of Patent: January 21, 1992Assignee: Eastman Kodak CompanyInventors: Phillip M. Cook, Stephen S. Kelley
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Patent number: 5079083Abstract: A coated sheet material is provided for wrapping, packaging or shipping food articles that are to be heated in a microwave oven. The sheet is formed from a paper or paperboard backing which is thermally and dimensionally stable when exposed to microwave energy. On at least one side is provided a smooth calendered surface or the sheet material is treated by processing as with a filler coating to fill the voids between the paper fibers and to thereby present a smooth surface. A microwave interactive layer is applied to the smoothed surface from a fluid or vapor state. The interactive coating can comprise carbon, a semiconductive metal coating or other microwave interactive material.Type: GrantFiled: February 7, 1991Date of Patent: January 7, 1992Assignee: Golden Valley Microwave Foods Inc.Inventors: James D. Watkins, David W. Andreas, David H. Cox
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Patent number: 5057365Abstract: The present invention provides a process for hermetically sealing a container having an open top. The process of this invention employs a novel cap liner comprising a backing layer consisting of thermoplastic material, a sealing layer and a bond layer between the backing layer and the sealing layer. The process comprises the steps of: providing a cap adapted to engage the open top of a container; providing a novel cap liner of this invention; inserting the cap liner into the cap; securing the cap to the container such that the sealing layer of the cap liner contacts the container and extends across the open top of the container; and bonding the sealing layer of the cap liner to the container to produce a hermetically sealed container.Type: GrantFiled: July 12, 1989Date of Patent: October 15, 1991Assignee: 501 Tri-Seal International, Inc.Inventors: Harvey Finkelstein, C. Walter Burgess
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Patent number: 5030488Abstract: Sandwich panels, i.e., laminates which comprise two metal sheets with a filled, reinforced resin core between and bonded to the metal sheets, are useful for structural and other uses. Combinations of metal sheets, resins, fillers, and reinforcement bonded together in the sandwich structure provided a laminate having a flexural modulus of at least 2.5 million psi, a rigidity index of at least about 2,000 and other unique properties which enable the laminates to be particularly useful for thin wall truck trailer body construction, as well as other uses. A rigidity index and a falling ball impact test for sandwich structures and panels are used to characterize the properties of these sandwich laminates. Methods of making the above sandwich laminates and means for joining the sandwich laminates and panels are disclosed, which provide for their particular usefulness in truck trailer body construction, as well as other structural and non-structural uses.Type: GrantFiled: November 23, 1988Date of Patent: July 9, 1991Assignee: Chemical and Polymer Technology, Inc.Inventor: Igor Sobolev
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Patent number: 5026593Abstract: A reinforced laminated beam provides reinforcement in the locations where maximum tension occurs on such beams, generally at the lower portions of the beam, by the addition of a layer of high tensile strength material between successive layers or laminations of wood. A thin layer of high tensile strength material, preferably a strip of aluminum alloy with a tensile yield strength of approximately 41,000 psi and a thickness of 0.064-inch, which is continuous across the width and length of the beam, is adhesively fixed between the bottom two laminations of wood, thereby producing a significant increase in the carrying capacity of the beam, while providing no obstacle to the sawing or other working of the beam in the field. Reinforcing material also may be added between other lower laminations for additional reinforcement, this being particularly useful for deep beams having a large number of laminations.Type: GrantFiled: August 25, 1988Date of Patent: June 25, 1991Assignee: Elk River Enterprises, Inc.Inventor: Michael E. O'Brien
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Patent number: 5021298Abstract: A packaging material suitable for packaging moisture and oxygen-sensitive materials comprises a coated and metallized plastic film having low permeability to gases, moisture and light, which includes a polyolefin or regenerated cellulose film that is coated on one or both surfaces with one or more thin but smooth layers of a thermally stable coating, other than polyvinylidene chloride, and metallized over the coated surface or surfaces.Type: GrantFiled: April 7, 1989Date of Patent: June 4, 1991Assignee: Bowater Packaging LimitedInventor: Kenneth M. Revell
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Patent number: 5021293Abstract: A composite material useful for controlled generation of heat by absorption of microwave energy is disclosed. The material comprises a dielectric substrate, e.g., polyethylene terephthalate film, coated with a mixture of an electrically conductive metal or metal alloy in flake form in a thermoplastic dielectric matrix, e.g., a polyester copolymer. In a preferred embodiment, the coating of flake/thermoplastic is applied so as to yield an isotropic coating with good heating performance reproducibility. The use of circular flakes with flat surfaces and smooth edges contributes substantially to good heating performance reproducibility.Type: GrantFiled: August 28, 1989Date of Patent: June 4, 1991Assignee: E. I. Du Pont de Nemours and CompanyInventors: Hua-Feng Huang, Donald E. Plorde
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Patent number: 5006405Abstract: A coating sheet material is provided for wrapping, packaging or shipping food articles that are to be heated in a microwave oven. The sheet is formed from a paper or paperboard backing which is thermally and dimensionally stable when exposed to microwave energy. On at least one surface is provided a smooth supercalendared surface or the sheet is treated by processing as with a filler coating to fill the voids between the paper fibers and to thereby present a smooth surface. A microwave interactive layer is applied to the smoothed surface from a fluid or vapor state. The interactive coating can comprise carbon, a semiconductive metal coating or other microwave interactive material.Type: GrantFiled: June 27, 1988Date of Patent: April 9, 1991Assignee: Golden Valley Microwave Foods, Inc.Inventors: James D. Watkins, David W. Andreas, David H. Cox
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Patent number: 4997700Abstract: A metallizable, heat-sealable, biaxially oriented multi-layer film for metallizing applications is described which comprises a base layer comprising polypropylene, a first polyolefinic heat-sealable surface layer and a second polyolefinic metallizable surface layer. The second polyolefinic metallizable surface layer comprises a propylene-ethylene copolymer, which has an ethylene content of 1.2 to 2.8% by weight, a distribution factor V.sub.F greater than 10, an enthalpy of fusion .DELTA. H.sub.m greater than 90 J/g and a thermo-oxidation temperature T.sub.ox greater than 240.degree. C.Type: GrantFiled: September 27, 1989Date of Patent: March 5, 1991Assignee: Hoechst AktiengesellschaftInventors: Lothar Bothe, Gunter Schloegl
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Patent number: 4977001Abstract: A cladding for a molybdenum body such as a molybdenum tube for protecting the molybdenum from corrosive high temperature environments. The cladding contains oxides of molybdenum, aluminum, silicon and alkali metals in about the following percentages by weight of the total metal content: molybdenum 18-40 percent; aluminum 10-25 percent; silicon 25-50 percent; and, alkali metals 8-12 percent. The cladding may be formed by bringing the molybdenum body into contact in the presence of oxygen, with a refractory containing oxides of aluminum, silicon and alkali metals at a temperature greater than 400.degree. C.Type: GrantFiled: January 20, 1988Date of Patent: December 11, 1990Assignee: Vesuvius Crucible CompanyInventor: David C. Greenspan
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Patent number: 4963401Abstract: A method and composition for protecting and enhancing the solderability of a metallic surface. A mixture which includes a chosen protective material and a dicarboxylic acid fluxing agent is applied to the metallic surface to form a protective film or coating which also enhances the solderability of the metallic surface. The mixture is applied to the metallic surface as a solution having a solvent carrier which evaporates to leave the film. The film is heat activated at soldering temperatures to release the fluxing agent.Type: GrantFiled: April 11, 1989Date of Patent: October 16, 1990Assignee: Hughes Aircraft CompanyInventor: Alfred F. Kaspaul
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Patent number: 4963424Abstract: Novel laminate structures incorporating a thin metal layer which is of a thickness capable of converting incident microwave energy into thermal energy. The thin metal layer produces a greater heating effect than is produced by the same metal layer directly supported on a polymeric film layer. The laminate is useful in the microwave heating of a variety of food products.Type: GrantFiled: May 19, 1989Date of Patent: October 16, 1990Assignee: Beckett Industries Inc.Inventor: Donald G. Beckett
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Patent number: 4943456Abstract: Microwave responsive heaters and packages for food products and the like containing the heaters are disclosed in which the heaters consist of a microwave reactive coating composition on a heat stable substrate which is pattern bonded to a surface to be heated by microwave radiation.Type: GrantFiled: August 30, 1989Date of Patent: July 24, 1990Assignee: James River Corporation of VirginiaInventors: Kenneth A. Pollart, Terrence P. Lafferty
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Patent number: 4936935Abstract: Novel laminate structures incorporating a thin metal layer which is of a thickness capable of converting incident microwave energy into thermal energy. The thin metal layer produces a greater heating effect than is produced by the same metal layer directly supporated on a polymeric film layer. The laminate is useful in the microwave heating of a variety of food products.Type: GrantFiled: November 15, 1989Date of Patent: June 26, 1990Assignee: Beckett Industries Inc.Inventor: Donald G. Beckett
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Patent number: 4915996Abstract: In the apparatus of the present invention, a twist-tie is shown formed of a layered flexible material. A wire is affixed along the length of this layer of plastic material and adhesively engaged thereto. The surface of adhesive and the wire is over fixed with a peelable layer of material which covers the adhesive and the wire or the first layer. The entire assembly is cut to a desired length and, in the preferred embodiment, a decorative ribbon may be secured thereto as by a staple, adhesive, string, or any other means, the decorative ribbon is then capable of being secured to a package of a size such that the peelable layer can be removed and the adhesive can be employed directed to affix the ribbon to the package. Alternatively, the peelable layer may remain and the ribbon affixed to a smaller package by utilizing the invention in the manner of a standard twist-tie. The size of the package with which the twist-tie alone can be employed is a function of the length of the twist-tie used.Type: GrantFiled: August 4, 1988Date of Patent: April 10, 1990Assignee: Bleyer Industries, Inc.Inventor: Thomas J. Curry
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Patent number: 4894264Abstract: A single-sheet gusset bag for photographic photosensitive materials formed of a laminated sheet comprising a metal foil layer or metallized flexible sheet layer, a water-absorptive, and heat-resistant flexible sheet layer which resists dust formation laminated on the outside of said metal foil layer or metallized flexible sheet layer, and a light-shielding polyolefin resin film layer containing at least linear low density polyethylene resin, carbon black and an antioxidant and having a thickness of more than 50 .mu.m laminated on the inside of said metal foil layer or metallized flexible sheet layer, and the bottom seal portion is turned or rolled and fixed by an adhesive or adhesive tape.Type: GrantFiled: April 26, 1988Date of Patent: January 16, 1990Assignee: Fuji Photo Film Co., Ltd.Inventors: Mutsuo Akao, Koji Inoue, Hiroyuki Osanai
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Patent number: 4894279Abstract: The present invention provides an improved electroerosin recording medium which comprises, in a preferred embodiment, a non-conductive support, a hard, abrasion resistant layer, preferably comprising an organic polymer matrix containing an inorganic particulate material, a thin conductive film, typically of a metal such as aluminum, and an abrasion resistant overlayer that most preferably comprises a solid conductive lubricant dispersed in an organotitanium regaent modified polymer system. The overlayer is highly adherent to the conductive surface, has a low organic binder content and provides effective protection against abrasion of the conductive layer and fouling of a print head during electroerosion printing.Type: GrantFiled: May 9, 1986Date of Patent: January 16, 1990Assignee: International Business Machines CorporationInventors: Krishna G. Sachdev, Keith S. Pennington, Mitchell S. Cohen
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Patent number: 4882208Abstract: A multilayer composite sheet, especially for use as a padding layer underneath artificial grass, or turf includes a bottom layer of expanded synthetic resin, particularly of closed-cell polyethylene foam, and a metallic foil flatly bonded to the foam material. The multilayer composite sheet exhibits low weight per unit area, low water absorption, and low thermal linear expansion suitable for exposure to ambient weather conditions especially sunlight.Type: GrantFiled: May 26, 1988Date of Patent: November 21, 1989Assignees: Huels Troisdorf AG, Balsam Sportstattenbau & Co. KGInventors: Hans-Ulrich Breitscheidel, Rudolf Kautz, Karl-Heinz Sandermann
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Patent number: 4877664Abstract: A sealed container material having a deoxidation function comprises a metallic base material reactive with oxygen and a hydrophilic coating layer of water-soluble polymer such as hydroxyethyl cellulose formed on the surface of the metallic base material. An oxygen- and moisture-permeable coating layer composed of a polymethylpentene resin may further be provided on the hydrophilic coating layer. The material exhibits an excellent oxygen absorbing ability and is thus suited as a material for sealed containers, such as cans, bottles, capsules, etc., for encasing food, drink, chemicals, and medical drugs and storing them over a long period of time without denaturation or deterioration.Type: GrantFiled: April 21, 1988Date of Patent: October 31, 1989Assignees: Nippon Steel Corporation, Suntory Limited, Kansai Paint Company, Ltd.Inventors: Shigeyoshi Maeda, Tsunetoshi Asai, Hidejiro Asano, Haruyoshi Taguchi
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Patent number: 4876142Abstract: A fire-retardant, fluid-resistant coating composition having enhanced bonding strength and increased aesthetic appeal. The composition, comprising from 3-4 parts of a liquid acrylic emulsion, from 1-2 parts of a liquid latex polymer suspension, from 1-3 parts of an adhesive material and from 1-2 parts of a gypsum-based powder, may be sprayed, brushed or rolled onto a variety of substrates. A coated product may also be produced by applying the coating composition to a substrate comprising a reinforcing material such as glass fibres so as to form sheets or laminates which may be rolled for transportation and storage with minimal danger of cracking, chipping or peeling. The composition may also be utilized to provide an adhesive bond by applying it to a surface of a first substrate and then contacting the coated surface with a second substrate while the composition is still viscous.Type: GrantFiled: April 5, 1989Date of Patent: October 24, 1989Assignee: Magic Stuff, Inc.Inventor: Alessandro Piccirillo
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Patent number: 4861632Abstract: A laminated packaging material from which package type containers are fabricated for storing or transporting a variety of products ranging from dry food-stuffs to electronic equipment where maintenance of a dry environment is a requirement, comprising an outer imperforate water impervious layer, a middle layer of absorbent material and an inner perforated moisture impervious layer.Type: GrantFiled: April 19, 1988Date of Patent: August 29, 1989Inventor: Michael A. Caggiano
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Patent number: 4858945Abstract: A ski having an outer structure made of high strength steel. There is an upper steel sheet having a U-shaped cross-sectional configuration and a lower planar steel sheet. A wood core is positioned between and bonded to the upper and lower steel sheets. Two steel edge members have inwardly and laterally extending flanges which are bonded to the lower steel sheet, and a running surface member is bonded to the lower surface of the lower steel sheet. In the method of the present invention, the lower steel sheet, the running surface member and the edge members are placed in a receiving area defined by a fixture having two side rails, with the rails aligning these components. The core and the upper sheet are placed onto the lower steel sheet, with the edge members having alignment surfaces locating the components relative to one another. This forms a prebonded assembly which is later placed in a laminating fixture to form the finished ski.Type: GrantFiled: December 8, 1986Date of Patent: August 22, 1989Inventor: Bryan A. Kashiwa
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Patent number: 4853284Abstract: A mechanical part brought into contact with a member selected from the group consisting of paper, rubber, plastics, resin, ceramics, and metal, comprises a substrate of an iron series metal and a surface layer formed on a surface of the substrate and containing chromium oxide (Cr.sub.2 O.sub.3) as a major constituent. The chromium oxide (Cr.sub.2 O.sub.3) is a material converted by heating a chromium compound, and an intermediate layer containing a reaction product between the substrate and chromium oxide in the surface layer is formed at an interface between the surface layer and the substrate.Type: GrantFiled: February 26, 1987Date of Patent: August 1, 1989Assignee: Kabushiki Kaisha ToshibaInventors: Takashi Ishii, Hajime Kohama, Hisao Yabe
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Patent number: 4853283Abstract: A light reflective material is manufactured using a novel transfer process to provide a final product comprised of a metal substrate, an adhesive on the substrate, a light reflective metal layer (e.g. silver) on the adhesive and a thin (e.g. 0.05 to 0.2 mil) lacquer protective coating on the light reflective metal layer. In a preferred embodiment, an additional lacquer protective coating is used to sandwich the light reflective metal layer between two layers of lacquer coating.Type: GrantFiled: February 11, 1988Date of Patent: August 1, 1989Assignee: Scharr Industries Inc.Inventor: Barry Skolnick
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Patent number: 4840831Abstract: Packaging material for relatively rigid objects, the material consisting of a metal foil sheet coated on one face of the foil sheet with a layer of plastic material, where a creped basic layer of a plastic material or paper is applied to a second face of the foil sheet.Type: GrantFiled: April 21, 1987Date of Patent: June 20, 1989Assignee: Smitweld B.V.Inventors: Petrus E. G. Schraven, Jan A. M. H. Jacobs
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Patent number: 4839230Abstract: The present invention relates to a grafted cellulose ester prepared by reacting a cellulose ester containing residual hydroxyl groups with an acrylic based compound and m-isopropenyl-.alpha.,.alpha.'-dimethylbenzyl isocyanate. The grafted cellulose ester is a urethane-containing product having pendant (meth)acrylate and .alpha.-methylstyrene moieties. The grafted cellulose ester is readily self-polymerizable in the presence of a photoinitiator upon exposure to ultraviolet radiation. It does not require the presence of vinyl monomers to become crosslinked. The grafted cellulose ester is useful as a protective/decorative coating for wood, metal, plastics, and other substrates.Type: GrantFiled: January 25, 1988Date of Patent: June 13, 1989Assignee: Eastman Kodak CompanyInventor: Phillip M. Cook
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Patent number: 4835028Abstract: A paper product includes both means for preventing images from being copied from the paper product by use of a xerographic photocopier; and means for enabling detection of the paper product when the paper product is transported through an interrogation zone of an article surveillance system.Type: GrantFiled: May 29, 1987Date of Patent: May 30, 1989Assignee: Security Tag Systems, Inc.Inventors: Subrata Dey, William R. Menyhert
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Patent number: 4828345Abstract: A selective light transmissible film or sheet having excellent anti-fogging properties, produced by forming a thin film of a metal and/or a metal compound having transparency and infrared ray reflective characteristics, on the surface of one side of a cellulose derivative film or sheet of which the surface of the other side is saponified with an alkaline aqueous solution, or on the surface of one side of a cellulose derivative film or sheet of which both surfaces are saponified with an alkaline aqueous solution.Type: GrantFiled: July 9, 1987Date of Patent: May 9, 1989Assignee: Sumitomo Chemical Company, LimitedInventors: Shuji Kitamura, Kiyohiko Nakae, Kozo Kotani, Yoshihiro Nakatsuji
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Patent number: 4822657Abstract: A bullet resistant panel defined by an assembly including plural layers of impact resistant fabric and a layer of insulating foam, the assembly being secured within a peripheral frame and laminated between intermediate substrates of cellulosic material and exterior layers of metal. The panel may be used in constructing protective walls or barriers subjected to possible impact by bullets or other high impact force projectiles.Type: GrantFiled: January 8, 1987Date of Patent: April 18, 1989Assignee: Alliance Wall CorporationInventor: Terry W. Simpson
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Patent number: 4818777Abstract: Compounds of the formula I ##STR1## in which is independently hydrogen, alkyl, alkoxy, halogen, trifluoromethyl or nitro, R.sup.1 is hydrogen, alkyl, phenyl, substituted phenyl or furyl, R.sup.2 is hydrogen or alkyl, R.sup.3 and R.sup.4 are independently hydrogen, alkyl, allyl, aralkyl, alkoxy, halogen, phenyl or cyclohexyl, and R.sup.5 is hydrogen, alkyl or alkenyl, are good corrosion inhibitors for organic materials, especially for coating materials. They can at the same time also act as antioxidants and light stabilizers.Type: GrantFiled: August 17, 1987Date of Patent: April 4, 1989Assignee: Ciba-Geigy CorporationInventor: Adalbert Braig
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Patent number: H575Abstract: The light weight non-saturating spaced core inductor that is made of altete layers of magnetic and light weight non-magnetic materials to provide a structure that is light in weight yet has the non-saturating inductor characteristics required for certain circuits that are subject to over-load.Type: GrantFiled: April 25, 1988Date of Patent: February 7, 1989Assignee: The United States of America as represented by the Secretary of the ArmyInventors: Charles S. Kerfoot, Walter E. Milberger