Coating Over The Applied Coating Of Particles Patents (Class 427/203)
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Patent number: 4341836Abstract: The invention relates to a surfacing for sports areas, more particularly tennis courts in which a bearing layer (2,2a) is applied to a surface (1) , fragments are then secured by means of the said bearing layer (2,2a) and arranged to leave voids and a top covering (4) of fine grains is applied. A process for preparing the surfacing may comprise a curable liquid resin that is cast as the bearing layer up to a thickness of about three to four millimeters on the surface and raked off. Fragments are about two-thirds embedded in the bearing layer and after curing a covering layer of fine grains is applied.Type: GrantFiled: September 23, 1980Date of Patent: July 27, 1982Inventor: Heinz Becker
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Patent number: 4336293Abstract: An anti-slip mat is provided having a bottom surface adapted to permit the mat to lie flat on a flat surface and an opposite regularly undulated top surface characterized by having raised portions and depressed portions and being coated with an abrasive, anti-slip layer. A preferred method of forming such a mat includes steps of forming a layer of primer resin on a release liner, coating one surface of the primer resin layer with liquid curable polyurethane adhesive resin, distributing abrasive grain over the polyurethane resin layer while it is still liquid, at least partially curing the polyurethane resin, coating the resultant grain-coated surface with liquid curable polyurethane resin, curing the resultant coating, removing the release liner, forming an embossable sheet of a polymeric composition, contacting one surface of the polymeric sheet with the surface of the primer resin layer opposite the abrasive surface to provide a laminated structure and embossing the laminated structure to provide the mat.Type: GrantFiled: February 27, 1981Date of Patent: June 22, 1982Assignee: Minnesota Mining and Manufacturing CompanyInventor: Ronald R. Eiden
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Patent number: 4336287Abstract: A process for preparing coated glass containers is disclosed. This process comprises applying a coating of an unhydrogenated thermoplastic elastomer on the outside of the glass container and then baking the coated glass container in the presence of oxygen gas at a temperature of from about 150.degree. to about 170.degree. C. for a time period of from about 10 to about 45 minutes. The coated glass containers are both glass fragment retentive and returnable.Type: GrantFiled: January 4, 1980Date of Patent: June 22, 1982Assignee: Celanese CorporationInventor: Alex S. Forschirm
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Patent number: 4327142Abstract: A method of manufacturing a goods of laminated materials which comprises the steps of wetting with a solvent one face of a first layer of a base material, of applying on to said face a second layer of pre-expanded pellets of a plastic, and of injecting and expanding directly on said second layer a third layer of a plastic.Type: GrantFiled: November 19, 1979Date of Patent: April 27, 1982Inventor: Vittorio Norzi
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Patent number: 4326004Abstract: A raster-shaped heat-sealable adhesive coating for textiles is comprised of two adhesive layers, with a first adhesive layer superimposed over a second adhesive layer via a powder printing technique. Preferably, the adhesive layer in direct surface contact with the textile substrate contains a softened polyvinyl chloride material and the second adhesive material is composed of an adhesive material selected from the group consisting of copolyamides, copolyesters and mixtures thereof.Type: GrantFiled: February 28, 1980Date of Patent: April 20, 1982Assignee: Kufner Testilwerke KGInventor: Josef Hefele
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Patent number: 4325985Abstract: The method of making self-activating thread lock structures which comprises depositing a fluid material including an uncured fluid resin in the thread grooves of a threaded member; immediately thereafter, while the material is still in fluid condition, applying a thin fluid film-forming cover coat over the fluid material; and immediately thereafter transforming the cover coat into a thin, solid, dry, non-tacky, rupturable film by brief exposure to radiation, such as ultra-violet radiation.As previously noted excellent results have been obtained using ultra-violet lamps as the source of radiation to effect substantially immediate cure of the film-forming material, but other sources are contemplated, such as electron beam radiation.Type: GrantFiled: September 29, 1980Date of Patent: April 20, 1982Assignee: The Oakland CorporationInventor: Richard B. Wallace
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Patent number: 4321298Abstract: A fibrous carbon material is first coated with a thermosetting material which remains flexible after being subjected to curing temperatures. The thermosetting material contains a refractory metal capable of reacting with boron to form a metal boride. This thermosetting resin is then cured. The fibrous carbon material is then impregnated with a second thermosetting resin containing a boron compound and, optionally, a refractory metal capable of reacting with boron to form a metal boride. The second thermosetting resin is at least partially cured and a plurality of layers of the fibrous material is then assembled to form a laminate. The laminate is heated to a temperature sufficient to carbonize the thermosetting resin. The resultant carbon-carbon composite has better oxidation resistance, improved high temperature stability, higher density and improved interlaminar tensile strength than does a composite prepared without the presence of the refractory metal in the thermosetting resin.Type: GrantFiled: February 26, 1980Date of Patent: March 23, 1982Assignee: HitcoInventors: Robert C. Shaffer, William L. Tarasen
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Patent number: 4319610Abstract: A process for the coating of metal tubes by the application of polyethylene to the preheated tubes, a polyethylene with a melt index of over 1 g/10 minutes being applied first to the pre-heated metal tube and a polyethylene with a low melt index being applied thereupon, the process comprising a first step of applying a polyethylene with a melt index of 1.2 to 70 g/10 minutes (190.degree. C./2.16 kg) to the metal tube which has been pre-heated to a temperature of at least 200.degree. C., a second step in which the coating is cooled to a temperature of about 110.degree. to 170.degree. C. and a third step of applying a self-supporting film of polyethylene with a melt index of 0.1 to 7 g/10 minutes at this temperature so that the total coating has a minimum layer thickness of 1.5 to 4 mm and a coated article coated according to said process.Type: GrantFiled: October 3, 1980Date of Patent: March 16, 1982Assignee: Hoechst AktiengesellschaftInventor: Gunter Eckner
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Patent number: 4308568Abstract: An antistatic construction including a base member, a first electrically nonconductive layer on the base member, and an electrically conductive layer on the first electrically nonconductive layer. A second electrically nonconductive layer may be provided on the electrically conductive layer. A plurality of electrically nonconductive elements embedded within at least one of said layers. Portions of the electrically conductive layer adjacent to the electrically nonconductive elements being exposed. At least one electrically grounded electrical conductor operatively associated with the electrically conductive layer.The method of creating an antistatic construction.Type: GrantFiled: June 12, 1980Date of Patent: December 29, 1981Assignee: Industrial Heating Systems, Inc.Inventor: Bruce R. Whewell
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Patent number: 4303737Abstract: A powder suitable for flame spraying comprising particles of an alumino silicate glass, each of the particles being hollow and coated with an alloy containing, by weight, 80% nickel, 2.5% aluminium, 15.7% chromium and 1.8% silicon. The resultant coating is particularly suitable for use as a thermal barrier.Type: GrantFiled: July 16, 1980Date of Patent: December 1, 1981Assignee: Rolls-Royce LimitedInventors: William B. Litchfield, John T. Gent, James A. S. Graham
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Patent number: 4303698Abstract: Preparation of an electrically conductive pattern by adhering a prolonged tack toner which is activated by heating to the toner-receptive image areas of an inert substrate, the temperature is reduced and to the activated toner is applied a prolonged tack toner having conductive metal particles and glass frit as components; optionally the steps of heating, temperature reduction and toner application are repeated at least one time, and then the toned image is burned and fired. An electrically conductive pattern is obtained which is useful, for example, as an electric circuit. The process is also useful in the application of resistor and dielectric materials.Type: GrantFiled: February 25, 1980Date of Patent: December 1, 1981Assignee: E. I. Du Pont de Nemours and CompanyInventors: Grant A. Beske, Abraham B. Cohen, Roger O. Uhler
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Patent number: 4301213Abstract: The present invention relates to bonding a coating of polyarylene sulphide, for example polyphenylene sulphide, to a steel backing by the use of a ceramic or other non-metallic inter-layer or bonding layer. In some cases the bonding layer comprises a layer of fine particles bonded to the backing followed by a layer of coarser particles to which the coating can be more effectively bonded. This results on a coated steel backing capable of being deformed without the coating becoming detached. Such a coated backing is suitable for use as a bearing material, a chemically resistant material or as cookware.Type: GrantFiled: November 6, 1979Date of Patent: November 17, 1981Assignee: The Glacier Metal Co., Ltd.Inventor: Glyndwr J. Davies
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Patent number: 4296167Abstract: A seal coat for use in a traffic surface is formed by reacting a first component comprising a liquid epoxy resin and a blocked polyisocyanate prepolymer with a second component comprising an aliphatic or cycloaliphatic polyamine, and allowing the mixture to cure. Advantageous results are achieved if the mixture, before curing, is allowed to impregnate a matrix, e.g. a non-woven synthetic material.Type: GrantFiled: March 10, 1980Date of Patent: October 20, 1981Inventor: Marcel Ceintrey
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Patent number: 4294870Abstract: A method of cladding a wire with a powdered metal includes feeding the wire in its axial direction, applying powdered metal around its surface, compacting the applied powdered layer on the surface and subsequently continuously rolling-over the applied layer on a helical path to provide a helical zone of metallurgically bonded powdered material. The device of this invention has a storage container for powdered material, a rotary shaft defining at its center a forwardly tapering passage with an internal thread acting as a worm conveyor, the shaft being terminated with an exchangeable outlet nozzle, the nozzle supporting a set of cladding rollers, the axes of rotation of which are inclined at an acute angle to the axis of the passage. The driving arrangement for the rollers is preferably driven by a separate motor.Type: GrantFiled: March 31, 1980Date of Patent: October 13, 1981Inventors: Walter Hufnagl, Peter Kotaucaek
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Patent number: 4293598Abstract: A method for increasing the boron.sup.10 content of a neutron absorbing article, such as one in flat, flexible sheet shape, includes coating a surface of such article with a solidifiable liquid synthetic organic polymeric material, such as a phenol formaldehyde type resin, applying boron carbide particles to the polymeric material and solidifying the polymer, such as by curing to cross-linked permanently set form, so as to hold the neutron absorbing boron carbide particles in place thereon. In highly preferred embodiments of the invention the boron carbide particles applied will extend beyond the surface of the external material and will serve as anchoring means for applications of subsequent coatings and the plurality of coatings, usually after initial partial curing to solidify them and make them form-retaining, will be permanently cross-linked simultaneously.Type: GrantFiled: November 13, 1978Date of Patent: October 6, 1981Assignee: The Carborundum CompanyInventors: Michael T. Hortman, Robert G. Naum
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Patent number: 4293603Abstract: A method of making a laminate and articles of furniture made from the laminate are disclosed wherein a transparent acrylic sheet is coated with an acrylic paint coating composition on one side in a predetermined color and decorative pattern. The coated sheet is then coated with an acrylic primer coating composition over the acrylic paint coating. The sheet is adhesively secured to a backing member such as barrel board for fabrication into furniture. Preferably, abrasion-resistant or super abrasion-resistant coated acrylic sheets are used and the side coated with acrylic paint and lacquer is that opposite the abrasion-resistant coated side.Type: GrantFiled: January 9, 1980Date of Patent: October 6, 1981Inventors: Charles R. Hayman-Chaffey, Frederick W. Hayman-Chaffey
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Patent number: 4292103Abstract: A method of transfer printing wherein an adsorptive porous layer of activated alumina or silica or a mixture thereof is formed on the surface of an object to be colored or printed, and a transfer material comprising a carrier sheet and a design layer formed thereon and containing colorants forming a colored pattern is applied to the adsorptive porous layer of the object, and the carrier sheet is stripped away so that the design layer is left adhered to the adsorptive porous layer, and then heat is applied to cause the colorants in the design layer to migrate into the porous layer for exact reproduction of the colored pattern thereon.Type: GrantFiled: February 6, 1980Date of Patent: September 29, 1981Assignee: Nissha Printing Co., Ltd.Inventors: Shigekazu Namura, Takao Sumi
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Patent number: 4284665Abstract: A process for coating an electrically nonconductive material with a metal by attaching a less noble metal or a compound thereof, in pulverous form, to the surface of the electrically nonconductive material and spraying a solution of the nobler metal on the surface thus coated in order to cause the nobler metal to adhere to the surface.Type: GrantFiled: December 20, 1979Date of Patent: August 18, 1981Assignee: Outokumpu OyInventors: Seppo O. Heimala, Frans H. Tuovinen
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Patent number: 4278483Abstract: The process for producing a decorative surface covering having an inlaid decoration which comprises depositing a layer of fine granules of resinous composition on the surface of a backing sheet, heating to sinter the granules into a porous mass, applying a design on the surface of the sintered layer with a mixture of a pigmented dryblend of at least two contrasting colors and a transparent or translucent plastisol and then fusing the printed, sintered sheet into a non-porous sheet by the application of heat.Type: GrantFiled: August 31, 1979Date of Patent: July 14, 1981Assignee: Congoleum CorporationInventor: Robert D. Mansolillo
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Patent number: 4271212Abstract: An improved method is provided for forming surfaces for handling hot glass charges and newly-formed glass articles without detrimental marring or marking of the same. The method comprises priming a relatively-smooth metallic substrate with a silicone resin, applying a coating of a solventless curable thermosetting silicone resin binder over the primer, depositing at least one layer of a heat-resistant granular solid lubricant carbonaceous material over the binder coating and allowing the binder to wet and embed the granular material, and heat-curing the binder to permanently affix the granular carbonaceous material to the substrate to provide a lubricated durable wear-resistant surface for handling hot glass charges or gobs as well as newly-formed glass articles.Type: GrantFiled: May 21, 1979Date of Patent: June 2, 1981Assignee: Owens-Illinois, Inc.Inventor: Edward J. Stengle
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Patent number: 4268542Abstract: The present invention relates to a process for forming a multi-layer coating including at least two coating layers by performing the oven drying step at one time, which comprises coating at least partially the surface of the substrate with a powder coating composition, then applying a slurry paint composition comprising synthetic resin particles dispersed in an aqueous medium and then heating.Type: GrantFiled: January 25, 1979Date of Patent: May 19, 1981Assignee: Dai Nippon Toryo Co., Ltd.Inventors: Takao Sakakibara, Haruhiko Okazaki
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Patent number: 4258076Abstract: Plastic wiring connectors used in an automobile electric circuit often produce noise to the discomfort of the passengers. Connectors of this invention are coated with a suitable fiber strand material on their surfaces etc., considerably reducing such noise. This invention provides methods of manufacturing the noise reducing component.Type: GrantFiled: November 20, 1978Date of Patent: March 24, 1981Assignee: Yazaki CorporationInventors: Mitsugu Watanabe, Tomoyuki Hirano
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Patent number: 4256255Abstract: The invention overcomes the difficulty of applying a layer of material e.g. braze material, to a concave surface, by rotating the workpiece having the concave surface, about the axis of revolution of the concavity and the material is applied thereto in powder form and held by centrifugal force. Before stopping rotation, a liquid binder is applied to the material and allowed to set, so as to make the resulting mixture self supporting.Type: GrantFiled: November 23, 1979Date of Patent: March 17, 1981Assignee: Rolls-Royce LimitedInventor: David R. Stevenson
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Patent number: 4246313Abstract: Composite article, and method of producing same, comprising a heat-resistant woven fabric substrate having a continuous heat and wear-resistant coating thereon for handling hot glass articles and the like without marring same. The heat-resistant flexible composite material is formed from a tightly woven fabric such as thermoset polyaramid fibers with a continuous imperforate coating of organic-inorganic silicone resin containing a filler of heat-resistant particulate material therein adapted to withstand extensive repeated contact with newly-formed hot glass articles. As required, the flexible composite material may be used alone or as a facing for a rigid structural member formed of metal.Type: GrantFiled: January 12, 1979Date of Patent: January 20, 1981Assignee: Owens-Illinois, Inc.Inventor: Edward J. Stengle, Jr.
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Patent number: 4241110Abstract: A rotor blade is manufactured by making a soft alloy into a blade body with a curved section, joining a hard alloy to the leading edge of the blade body, coating the back side surfaces of the leading and trailing edge portions of the blade by alternately giving at least one coat each of a Ni-Cr-B-Si alloy and WC by spraying and fusing the coats onto the backing surfaces, and then coating the entire front side surface of the blade in the same way.Type: GrantFiled: May 22, 1979Date of Patent: December 23, 1980Assignee: Mitsubishi Jukogyo Kabushiki KaishaInventors: Masato Ueda, Takeshi Andoh
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Patent number: 4241104Abstract: An improved process for providing a bond between carbon substrates using particles of a thermally stable solid is described. In particular, a laminate of a porous carbon substrate and a relatively non-porous carbon substrate using finely divided particles of a thermally stable solid which are in contact with and between both substrates is heated in the presence of a carbonizable gas, such as methane, in a chamber such that the gas contacts the carbon substrates and the particles so that a mutual coating of pyrolytic carbon is deposited on the exposed surfaces of all components and bonds them together. More than two carbon substrates can be bonded using the particles as interlayers between the substrates. The pyrolytic carbon coated composite products are particularly useful as electrodes.Type: GrantFiled: October 16, 1978Date of Patent: December 23, 1980Assignee: The Fluorocarbon CompanyInventor: Christopher J. Torbet
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Patent number: 4239824Abstract: A landscape blanket to be used as ground cover in which particles such as crushed stone, marble chips and the like are arranged in a substantially single layer and are held together to form a blanket by sheets of transparent plastic material which conform to the shape of the particles and are bonded thereto without the use of adhesive. The plastic sheets are bonded to the particles by forcing them into contact with the particles while the plastic sheets are in a softened condition.Type: GrantFiled: December 4, 1978Date of Patent: December 16, 1980Assignee: X IncorporatedInventor: Walter Kasten
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Patent number: 4221824Abstract: A method and composition for enameling ferrous objects which eliminates the necessity of pickling and nickel coating the ferrous object prior to enameling. The ferrous surface is merely cleaned and then a reactive fritted coating is applied to the clean surface. The chemical and physical properties of the reactive coating are such that the coating fuses at a relatively low temperature to provide a fused coating which chemically etches the underlying ferrous surface to provide a good bond between the two. The reactive coating should contain at least 5% of one or more adhesion promoting oxides, and at least 1% of the 5% mentioned consists of cupric oxide. A cover coat of a conventional frit may be applied over the reactive coating. During firing, the reactive coat melts first and bonds itself to the underlying ferrous surface, whereupon the cover coat fuses and forms the finished procelain enamel coating.Type: GrantFiled: September 5, 1978Date of Patent: September 9, 1980Assignee: Eagle-Picher Industries, Inc.Inventors: Ralph A. Leonard, Otto C. Linhart
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Patent number: 4219220Abstract: A recording material for use in a pressure sensitive copying system has an undercoating layer which is formed on a surface of a base sheet and on which a color former coating layer including microcapsules each encapsulating an oil droplet containing a color former material dissolved or dispersed therein. The undercoating layer comprises finely divided inorganic pigment particles and a binder and is substantially unreactive with the color former material included in the color former layer.Type: GrantFiled: May 11, 1979Date of Patent: August 26, 1980Assignee: Kanzaki Paper Manufacturing Co., Ltd.Inventors: Shinichi Oda, Shoji Aoyagi, Takio Kuroda, Eishun Tozaki
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Patent number: 4215173Abstract: Adhesive bonds between materials, such as woods having porous surfaces, formed by polymerizing in situ alphacyanoacrylate monomers, are accelerated in curing and strengthened by precoating the surfaces to be joined with a solid mixture of alkaline or basic accelerator, such as sodium or potassium hydroxide or sodium borosilicate spheres of micro-size, combined in a chalkable calcareous binder to form a light but adhesive permeable coating, before the monomeric adhesive is applied. The latter permeates in part through the light precoating to bond into the wood and is accelerated in its polymerization so that it is not excessively absorbed into the porous substrate, resulting in a bond of superior strength.Type: GrantFiled: August 7, 1978Date of Patent: July 29, 1980Assignee: Pacer Technology and ResourcesInventor: Dolph E. Hubbard
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Patent number: 4212922Abstract: The adhesion of poly(arylene sulfide) coatings to metal substrates is improved by incorporating an effective amount of finely divided manganese dioxide into a poly(arylene sulfide) primer coat to prime the metal substrate. The primer coat can subsequently be coated with a poly(arylene sulfide) coating or with any other suitable finish coating which will adhere to the primer coat.Type: GrantFiled: October 2, 1978Date of Patent: July 15, 1980Assignee: Phillips Petroleum CompanyInventor: Dale O. Tieszen
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Patent number: 4212691Abstract: A method for making decorative inlaid types of resilient sheet materials and the like comprising: depositing a substantially uniform layer of a wet, tacky, ungelled plastisol on a gelled, printed plastisol on a substrate; forming a rolling, churning bank of decorative chips or flakes over a flexible seal blade member which directs the delivery of the decorative chips or flakes from the rolling, churning bank; delivering the decorative chips or flakes from the rolling, churning bank and depositing the same on the layer of wet, tacky, ungelled plastisol, whereby, for the most part, they adhere thereto; moving the gelled, printed plastisol with its substrate and the layer of wet, tacky, ungelled plastisol and decorative chips or flakes forwardly and upwardly at an angle greater than the angle of repose for the decorative chips or flakes on the surface of the wet, tacky, ungelled plastisol, whereby some of the decorative chips or flakes slide backwardly and downwardly into the rolling, churning bank; beating or vType: GrantFiled: November 21, 1978Date of Patent: July 15, 1980Assignee: Congoleum CorporationInventors: Milton J. Potosky, Peter J. Rohrbacher
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Patent number: 4204021Abstract: An article of manufacture, such as cookware, having a composite layer adhered thereto and a process for forming it are disclosed, characterized in that the layer is a porous ceramic body having a continuous, communicating pore structure, and a film-forming, polymerized organic resinous impregnant, such as a silicone compound, fills at least some of the pores. The impregnant is adapted to serve as a release agent. As a result, the article acquires a composite layer having at least the abrasion resistance of the ceramic and the release properties of the resinous impregnant.Type: GrantFiled: December 26, 1978Date of Patent: May 20, 1980Assignee: Ferro CorporationInventor: Gordon P. Becker
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Patent number: 4200670Abstract: This application describes a method of treating glass sheets to be stacked, by applying water, a stain inhibiting material such as ammonium chloride, and dry particles of a mechanical separator such as wood flour, to such sheets in a plurality of sequential steps; together with articles resulting from that method.Type: GrantFiled: September 21, 1977Date of Patent: April 29, 1980Assignee: Libbey-Owens-Ford CompanyInventor: Eberhard R. Albach
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Patent number: 4199631Abstract: A design is fabricated by placing an outline of the design on a surface and covering the outline with fragments of material such as mother-of-pearl so that the fragments extend beyond the outer periphery of the outline. An opaque mask is placed on the fragments and the surface surrounding the fragments in registry with the outline to insure that the mask is properly aligned with the fragments. The mask conceals the fragments extending beyond the periphery of said outline as well as the surface to which the fragments are secured. The mask may include a pattern covering the fragments in the design for simulating a line between adjoining mother-of-pearl fragments which have been precisely cut to match each other as in a conventional mother-of-pearl design. Finally the fragments and the surrounding surface are covered with a clear sealant to protect the design.Type: GrantFiled: November 19, 1976Date of Patent: April 22, 1980Inventor: Yong-Duek Cheon
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Patent number: 4186229Abstract: This invention relates to a method for manufacturing base plates suitable for being pressed into records. The method is characterized in that a core layer is formed by compressing fibrous material followed by a coating of a synthetic material.Type: GrantFiled: December 12, 1977Date of Patent: January 29, 1980Inventor: Johannes F. Roeloffzen
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Patent number: 4173675Abstract: The present invention relates to a process for coloring or dyeing a material formed essentially from a substrate impregnated with bitumen, said method being characterized in that a colored composition is applied, in particular a pigmented composition, to the substrate before the impregnation of the latter by the bitumen. It also concerns the material thus obtained, characterized by a color gradient between the surface and the inside of the substrate, the color intensity decreasing continuously and practically regularly from the surface.Type: GrantFiled: May 26, 1977Date of Patent: November 6, 1979Assignee: Societe Anonyme dite: Omnium Francais Industriel et Commercial (O.F.I.C.)Inventors: Roger Vallon, Andre Herdenberger, Marc Delhomelle
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Patent number: 4171056Abstract: A coated bottle comprising a bottle having an inner and an outer coating is disclosed. The inner coating applied to the external surface thereof is prepared from non-tacky composite powder particles which are made up of powder particles which have surface deposited thereon comparatively smaller solid particles which are hard and non-tacky. The tacky powder particles comprise a mixture of a thermoplatic elastomer, a specifically defined melt flow modifier, and an adhesion promoter. The smaller, hard particles comprise a specifically defined melt flow modifier which has a glass transition temperature of at least about 20.degree. C. The first coating is applied to the bottle, preferably by electrostatic spraying techniques, and the bottle with the particles is baked to form a smooth coating. An outer coating comprising certain particularly defined synthetic resins, particularly acrylic polymers, is then applied and the coated bottle is again baked until a smooth second coat is formed.Type: GrantFiled: October 25, 1977Date of Patent: October 16, 1979Assignee: Celanese CorporationInventors: Martin J. Hannon, Alex S. Forschirm, Richard K. Greene
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Patent number: 4156036Abstract: Structures for supporting printing particles in spaced aggregates as mounds and towers, for use in pulsed electrical printers, and method for their production. The structures comprise a base sheet having a roughened or microcavernous surface to receive the printing particles. The base sheet may be formed of or coated with conductive material, and may comprise a magnetizable material useful in forming and retaining the aggregates.Type: GrantFiled: July 30, 1976Date of Patent: May 22, 1979Assignee: EPP Corp.Inventors: Donald J. J. Lennon, Roger E. Clapp
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Patent number: 4154637Abstract: A landscape blanket to be used as ground cover in which particles such as crushed stone, marble chips and the like are arranged in a substantially single layer and are held together to form a blanket by sheets of transparent plastic material which conform to the shape of the particles and are bonded thereto without the use of adhesive. The plastic sheets are bonded to the particles by forcing them into contact with the particles while the plastic sheets are in a softened condition.Type: GrantFiled: October 31, 1977Date of Patent: May 15, 1979Assignee: X IncorporatedInventor: Walter Kasten
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Patent number: 4154276Abstract: A coating for a threaded fastener including a mixture of grit particles embedded in a rigid resin and carrier base so that the particles are stationarily positioned between the outer surface of the fastener and an associated workpiece surface to increase the torque required to strip the fastener.Type: GrantFiled: September 18, 1975Date of Patent: May 15, 1979Assignee: Illinois Tool Works Inc.Inventor: Donald R. Wesner
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Patent number: 4154900Abstract: A composite material of a ferrous cladding material and an aluminum cast matrix which composite material exhibits excellent performance and a method for producing the same which can be carried out quite easily. The composite material comprises a ferrous cladding material, powder particles bonded to the ferrous cladding material, seizing portions defined by the powder particles, and a cast matrix of aluminum or its alloy held by the seizing portions. The method comprises the steps of spreading powder particles over a ferrous cladding material, bonding the powder particles to the ferrous cladding material by sintering, and casting aluminum or its alloy over the sintered surface. Further, a metallic layer can be formed between the bonded powder particles and the cast aluminum, by plating.Type: GrantFiled: May 12, 1977Date of Patent: May 15, 1979Assignee: Taiho Kogyo Co., Ltd.Inventors: Yoshihiro Kaku, Kiyotaka Hiraoka, Mikio Sugiura, Yoshio Kato
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Patent number: 4150187Abstract: Pressure-sensitive reusable transfer elements of the squeeze-out type having a microporous resinous ink-releasing layer firmly bonded to a flexible foundation. The invention is characterized by the use of a bonding layer which is applied to the foundation as an aqueous composition comprising a water-dispersible, water-insoluble resinous binder material which dries to form a tacky, adhesive layer.Type: GrantFiled: September 2, 1975Date of Patent: April 17, 1979Assignee: Columbia Ribbon and Carbon Manufacturing Co., Inc.Inventor: Albert E. Brown
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Patent number: 4125657Abstract: Amazingly beautiful decorative objects can be made by a method comprising the steps of (1) producing a chemically pure, over-saturated solution of potassium aluminosilicate, (2) coating substrates to be decorated with flock, (3) introducing the substrates into the solution, (4) removing the substrates from the solution after crystals have grown on the substrates, (5) drying the crystals, (6) coating the crystals with a transparent brilliant liquid plastic, and, optionally, (7) dyeing the plastic, either before or after it has dried. Alternatively, dye may be introduced directly into the solution.Type: GrantFiled: October 26, 1977Date of Patent: November 14, 1978Inventor: Jose B. Gonzalez
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Patent number: 4120418Abstract: A method for producing a barrier in a thermally insulated container lined with polyurethane foam for storage or transport of liquefied gases, wherein a plurality of layers of an epoxy resin formulation and a glass-fiber material are applied in a particular sequence resulting in a barrier of superior quality essentially free of pinhole flaws.Type: GrantFiled: June 4, 1976Date of Patent: October 17, 1978Assignee: Shell Internationale Research Maatschappij B.V.Inventors: Michael H. Collins, Jeremy D. Le Hardy Guiton
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Patent number: 4113899Abstract: Electroless nickel coating of epoxy resin foundry patterns and core boxes can be carried out without a palladium chloride/stannous chloride activation of the surface, if the pattern or core box contains a high density of metal particles which act as "keying" sites, and if the metal-filled resin surface is properly prepared. The preparation steps include a very light abrading with a fine (minus 60 U.S. mesh and preferably even finer) grit and a very brief acid pickling step. The electroless-plated article has a continuous coating of nickel bonded essentially directly to the resin through the metallic "keying" sites.Type: GrantFiled: May 23, 1977Date of Patent: September 12, 1978Assignee: Wear-Cote International, Inc.Inventors: Russell Alger Henry, Ernest Moreland Summers
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Patent number: 4112135Abstract: It is desirable to coat large area, thin sheets of large-grain polycrystalline silicon on an inexpensive ceramic substrate for use in solar cell applications and the like. Such ceramic substrates as are used are chosen from those having thermal expansion coefficients similar to those of silicon. The ceramics meeting these requirements, for example mullite, alumina and zirconia, when brought into contact with molten silicon, however, are not wet by the silicon and no coating takes place. In this invention the method of coating includes the step of carbonizing the surface of such a substrate and then contacting the carbonized surface of the ceramic with the molten silicon, whereupon a large-grain silicon coating is produced wherever the ceramic is carbonized. In this way the ceramic of the type which is not wet by molten silicon can be successfully coated with silicon.Type: GrantFiled: December 9, 1976Date of Patent: September 5, 1978Assignee: Honeywell Inc.Inventors: Joseph D. Heaps, Obert N. Tufte
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Patent number: 4110487Abstract: A process and resulting product are disclosed characterized by superimposing two layers of essentially dry, differing frit compositions onto a substrate and then firing only once to form a dual coat coherent ceramic layer. The composition of the two frits is such that the first or base coat fuses and stabilizes during the firing operation at temperatures below that at which the second or cover coat fuses and stabilizes. Desirably, the first layer forms an amorphous glass adherent to the substrate that is predominantly an alkaline oxide borosilicate glass and preferably an alkaline borofluorosilicate glass.Type: GrantFiled: October 28, 1976Date of Patent: August 29, 1978Assignee: Ferro CorporationInventor: Richard G. Rion
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Patent number: 4104416Abstract: A process for producing thin walled coatings on elongated substrates by the electrostatic application of two superimposed layers of powder material is disclosed. The process comprises the steps of applying electrostatically a first layer of fusible powder material to an elongated substrate, at least partially fusing such first layer of powder material to provide a uniform coating on the elongated substrate, holding the at least partially fused coating at an elevated temperature below the full fusion temperature of the powder material to be applied as the second layer immediately prior to the application of such second layer, applying electrostatically a second layer of fusible powder material to the first layer, and fusing the total applied coating to achieve the desired coating thickness.Type: GrantFiled: May 6, 1976Date of Patent: August 1, 1978Assignee: Canada Wire and Cable LimitedInventors: Mellapalayam R. Parthasarathy, Douglas C. Nethersole, Michael A. Dudley
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Patent number: RE30233Abstract: A decorated multiple layer paper suitable for use as a top surface in resin impregnated abrasion resistance decorated laminates, and the laminates prepared therefrom, said multiple layer having a base layer and a top layer, the top layer comprising abrasion resisting mineral particles having a hardness of 7 or more on the Moh scale and a particle size ranging from 10 to 75 microns, and with a printed pattern over the exposed surface of the top layer. The multiple layer paper is made by depositing a base layer on a paper machine forming wire, and while the base layer is in a wet state and still supported on the forming wire, depositing the top layer thereover. Abrasion resistant decorative laminates are prepared from said decorated multiple layer paper by saturating said paper with a resin, suitably a thermosetting resin followed by uniting with a core and curing of said resin.Type: GrantFiled: July 29, 1975Date of Patent: March 18, 1980Assignee: The Mead CorporationInventors: William C. Lane, Donald E. Moffatt