Patents Assigned to GenCorp
  • Patent number: 6240677
    Abstract: A window frame carried on the door of a vehicle is in the form of an aluminum extrusion having a smooth bend in the region where the top of the frame meets the corner between the “B” pillar of the vehicle and the vehicle roof. The window glass has a sharp angle matching this corner. The aluminum extrusion carries flanges directed towards but stopping short of the sharp corner. The sealing and guiding strip assembly comprises a molded part incorporating a separate metal corner piece and defining a window glass receiving channel. The metal corner piece has clips which fit in a channel on the aluminum extrusion. The molded part is concealed beneath extruded strip parts meeting at a miter join at the sharp corner. These strip parts extend away from the corner piece and form integral parts of extruded window glass receiving channels matching the channel in the molded part.
    Type: Grant
    Filed: September 9, 1999
    Date of Patent: June 5, 2001
    Assignee: GenCorp Property Inc.
    Inventor: Michael Baumann
  • Patent number: 6128859
    Abstract: A mechanically interlocked belt type weatherstrip provides a seal between the upper portion of a door and the lower portion a window. The weatherstrip comprises three individual components: a cover, a body and a sealing lip. These components may be either extruded or molded depending particularly upon the configurations of their terminal portions. All of the components may be one of a wide variety of black flexible plastic or elastomeric materials. However, because each of the components is separate, they can be manufactured of different materials and of different colors to provide specifically desired properties. The weatherstrip is formed by snapping the body and the cover together which holds the sealing lip securely in place between the cover and the body. The weatherstrip thus allows versatility of the selection of the separate components to meet the individual style and functional needs of a particular motor vehicle design.
    Type: Grant
    Filed: December 2, 1998
    Date of Patent: October 10, 2000
    Assignee: GenCorp. Inc.
    Inventor: James Randall Vance
  • Patent number: 6106275
    Abstract: An injection press apparatus for molding/joining separate parts. The apparatus having a work table with first and second work stations for injecting material into a mold. A movable extruder/injection assembly is provided which has an extruder portion for extruding material, and an injection portion for injecting material. The extruder portion and injection portion are in fluid communication such that material is provided from the extruder portion to the injection portion prior to injection of material from the injection portion to the mold. The injection portion of extruder/injection assembly has a nozzle assembly for receiving and injecting material from the injection portion to a self-actuating mold clamp assembly at the first or second work stations. The first and second work stations support the mold clamp assembly which receives the molding material. The extruder/injection assembly is movable between the first and second work stations by a shuttle assembly.
    Type: Grant
    Filed: September 1, 1994
    Date of Patent: August 22, 2000
    Assignee: GenCorp Inc.
    Inventors: Edward F. Huff, Robert L. Brown, David E. Baxter, deceased, Gregory L. Baxter, Walter Hunnicut
  • Patent number: 6106911
    Abstract: A process and apparatus for assembling motor vehicle beltstrips or weatherstrips comprises the steps of providing a weatherstrip preform, passing such preform through a conforming die, applying a hot melt adhesive to a portion of such weatherstrip preform in such die, passing such preform and adhesive into an additional die where a thermoplastic feature is applied to said preform and secured by said hot melt adhesive. Hot melt adhesive may be applied to an additional region of said weatherstrip preform and a trim preform may then also be secured to the weatherstrip preform. The invention also includes the weatherstrip or beltstrip roduct.
    Type: Grant
    Filed: November 16, 1998
    Date of Patent: August 22, 2000
    Assignee: GenCorp. Inc.
    Inventor: Ronald E. Dupuy
  • Patent number: 6103168
    Abstract: An applique article for a "B" pillar or other external surface of a vehicle is composed of integrally bonded cosmetic and functional materials. The applique article includes a thermoplastic base portion, an elastomer or thermoplastic elastomer functional sealing lip portion and a decorative covering portion applied to an exposed surface of the article. At least the functional sealing lip portion and the base portion are integrally bonded together in a mold during a process of manufacturing the article.
    Type: Grant
    Filed: January 27, 1997
    Date of Patent: August 15, 2000
    Assignee: GenCorp Inc.
    Inventor: Walter J. Kelly
  • Patent number: 6103308
    Abstract: An aqueous paper and paperboard coating composition is provided containing as a lubricant a vegetable oil triglyceride which is hydrophobic and non-ionic.
    Type: Grant
    Filed: April 23, 1998
    Date of Patent: August 15, 2000
    Assignee: GenCorp Inc.
    Inventors: William Floyd, Doug Harper, Nolan Thompson
  • Patent number: 6070363
    Abstract: A mechanically interlocking belt weatherstrip for a motor vehicle. The weatherstrip is formed by three separate components: a cover, a body and a sealing lip. The weatherstrip may be made from separate, all-extruded components, or may be a made from a combination of molded and extruded components. The weatherstrip is formed by snapping the body and the cover snap together to hold the sealing lip securely in place. Because the cover can be easily interchanged with a different cover, the cover can be made to include properties, such as color and gloss, desired by a particular motor vehicle manufacturer while the remaining components remain unchanged. Thus, the weatherstrip allows versatility of the selection of the separate components to meet the individual style and functional needs of a particular motor vehicle design. An assembly jig and method which facilitates assembly of the cover, body and sealing lip are also disclosed.
    Type: Grant
    Filed: December 2, 1998
    Date of Patent: June 6, 2000
    Assignee: Gencorp Inc.
    Inventor: James Randall Vance
  • Patent number: 5950533
    Abstract: A web with an embossed surface with a plurality of lows separated by a plurality of highs is provided with a shadow effect by passing the web between a pair of counterrotating rollers, a backup roller for supporting the web on its reverse surface and an ink application roller for applying ink to selected portions of the embossed surface of the web. The ink application roller is formed of a hard elastomeric material and its outer surface is engraved to have a plurality of highs corresponding to and engaging the lows of the embossed surface of the web and a plurality of lows corresponding to and overlying the highs on the embossed surface of the web.
    Type: Grant
    Filed: November 10, 1997
    Date of Patent: September 14, 1999
    Assignee: GenCorp Inc.
    Inventors: Joseph S. Kildune, Hubert Perkins
  • Patent number: 5935357
    Abstract: A dual-weld heat welding apparatus capable of simultaneously welding a first membrane and an overlapping second membrane on opposite sides of a roof membrane fastening apparatus fastened through the first membrane and located under the overlapping second membrane The heat welding apparatus includes a movably supported chassis, a hot air welder attached to the chassis including a nozzle having an outlet including at least one opening for simultaneously applying a weld on opposite sides of the roof membrane fastener to weld the overlapping second membrane and the first membrane, and at least one weld wheel rotatably attached to the chassis and located rearward of the nozzle relative to the direction of movement of the apparatus and capable of simultaneously applying pressure to the weld on each side of the roof membrane fastener.
    Type: Grant
    Filed: February 20, 1997
    Date of Patent: August 10, 1999
    Assignee: GenCorp Inc.
    Inventors: Michael J. Hubbard, John Jordon
  • Patent number: 5914173
    Abstract: The invention relates to a flexible, waterproof shower pan liner comprised of a water-insoluble thermoplastic sheet. The shower pan liner includes on at least one surface selected indicia such as product information or plumbing codes at regular intervals. The indicia are embossed into the shower pan liner thereby eliminating the need for a protective top coat. In a process for making the invention, the thermoplastic is heated, calendered, and thereafter embossed with the selected indicia while in a heated condition.
    Type: Grant
    Filed: November 7, 1996
    Date of Patent: June 22, 1999
    Assignee: GenCorp Inc.
    Inventors: David L. Fishel, Peter F. Payne
  • Patent number: 5876551
    Abstract: A breathable, decorative wallcovering having a smooth, continuous, aesthetically appealing exposed surface which can be printed with a design or pattern having sharply defined edges, and having a relatively high moisture permeability, includes a porous polymeric ply fused to and supported by a nonwoven substrate ply which consists of an array of hydroentangled fibers. The porous polymeric ply is formed by thermally fusing a plastisol coating, which is applied to the nonwoven substrate ply, and which has a thickness sufficiently low to permit localized variations in fiber orientation and small variations in the thickness of the nonwoven substrate ply to cause the formation of a multiplicity of miniature discontinuities which are substantially invisible to the unaided eye and which are randomly distributed throughout the coating. The plastisol coating is, however, thick enough to allow the formation of a coating which upon thermal fusion provides a polymeric ply having a smooth continuous appearance.
    Type: Grant
    Filed: September 25, 1997
    Date of Patent: March 2, 1999
    Assignee: GenCorp Inc.
    Inventor: Dan L. Jackson
  • Patent number: 5872200
    Abstract: A paper coating formulation and a process for making a paper coating formulation having an improved strength and blister resistance including an aqueous medium having dispersed therein a functionally effective amount of a finely divided mineral filler and a latex binder containing copolymerized acid functional and amine functional monomers in each polymer molecule.
    Type: Grant
    Filed: July 31, 1997
    Date of Patent: February 16, 1999
    Assignee: GenCorp Inc.
    Inventors: Satish C. Sharma, Charles M. Kausch, Ronald D. Mohan, Raymond J. Weinert
  • Patent number: 5860255
    Abstract: An anti-fracture, water-resistant, masonry-bondable membrane comprises a laminate having a core generally containing at least two plies of a flexible material bonded together by a flexible adhesive such as a plastisol, and a non-woven fiber layer physically bonded directly to at least one side of the core. The plastisol is a liquid composition which contains small sized resin particles such as polyvinyl chloride dispersed within a plasticizer. The core has good low as well as high temperature peel strength. The non-woven fiber layer is physically bonded to the flexible core by heat and pressure to produce a laminate wherein the non-woven fibers are partially embedded within the flexible material. The flexible membrane or laminate when utilized between and bonded to an exterior masonry article such as ceramic tile and to a substrate such as concrete, is very effective in preventing any cracks from propagating from the substrate to the article.
    Type: Grant
    Filed: May 9, 1996
    Date of Patent: January 19, 1999
    Assignee: GenCorp Inc.
    Inventors: David L. Fishel, Terry M. DiGiglia
  • Patent number: 5830390
    Abstract: A method and apparatus for a nonsynchronous system for continuously molding articles from a material cured by the control of temperature and pressure. The apparatus includes a multi-section self-clamping mold, a controller system, a material injector, a transfer system, a curing apparatus for curing the articles, and a mold separator-assembler. The method comprises pre-treating and then assembling the mold in a clamped condition. Under the control of the controller system, the mold is then injected with material from the injector, and moved by the transfer system through the curing apparatus to cure the material within the mold. Once cured, the controller system moves the mold to the mold separator-assembler via the transfer system. The mold is then disassembled into sections, the molded article is removed, and the sections are pre-treated and reassembled, for the next injection operation.
    Type: Grant
    Filed: April 30, 1992
    Date of Patent: November 3, 1998
    Assignee: Gencorp Inc.
    Inventors: Robert L. Brown, Michael K. Parrent, David E. Baxter
  • Patent number: 5824610
    Abstract: A nonwoven fabric of chemically bonded non-cellulose fibers having improved wet tensile properties. The fabric includes a random arrangement of non-cellulose fibers and an essentially formaldehyde free latex binder. The latex binder contains at least about 6.7 wt % vinyl cyanide monomer to bond the non-cellulose fibers and form a nonwoven fabric having at least a 10% improvement in wet tensile strength over a comparable nonwoven fabric having a latex binder essentially free of formaldehyde and free of vinyl cyanide monomer in the monomeric mixture.
    Type: Grant
    Filed: April 22, 1997
    Date of Patent: October 20, 1998
    Assignee: GenCorp Inc.
    Inventor: David F. Diehl
  • Patent number: 5779956
    Abstract: A molded glass run channel corner assembly formed by molding an extruded rigid division post and a flexible extruded header such that the corner assembly is capable of providing a continuous seal with contiguous corner edges of glass windows positioned on each side of the division post and a method of manufacture.
    Type: Grant
    Filed: August 16, 1996
    Date of Patent: July 14, 1998
    Assignee: GenCorp Inc.
    Inventors: Chris J. Hollingshead, Eric E. Gardner
  • Patent number: 5777053
    Abstract: An in-mold coating composition for a fiber reinforced plastic comprises an aliphatic resin such as a saturated aliphatic ester intermediate polyurethane having terminal acrylate end groups, a saturated (cyclo)aliphatic (meth)acrylate such as isobornyl acrylate, a hydroxyl alkyl (meth)acrylate, a polyacrylate ester of an alkylene polyol, and a vinyl substituted aromatic. The in-mold coating compositions have good end use weather-resistant properties so that there is no need for a subsequent paint coat thereon which heretofore has been required. The paint-free coating compositions can be either clear or pigmented and can contain various additives such as lubricants, adhesion aids, hardeners, and the like.
    Type: Grant
    Filed: January 17, 1997
    Date of Patent: July 7, 1998
    Assignee: GenCorp Inc.
    Inventors: Douglas S. McBain, David S. Cobbledick, Henry Shanoski, Brian J. Sullivan
  • Patent number: 5772816
    Abstract: A reinforced tape strip for securing a membrane roof to a roof deck or a parapet wall of a roof deck. The reinforced tape strip includes a layer of a single ply reinforcement material, at least one adhesive layer of a uniform thickness bonded to the single ply reinforcement material, and a protective layer covering the adhesive layer.
    Type: Grant
    Filed: May 24, 1995
    Date of Patent: June 30, 1998
    Assignee: GenCorp Inc.
    Inventor: Michael J. Hubbard
  • Patent number: 5772822
    Abstract: A method of manufacturing a glass panel and gasket assembly includes providing a glass panel and a mold defining a correspondingly shaped mold cavity to create a gasket for disposition about the periphery of the glass panel, filling the mold with a gasket material, allowing the gasket material to partially cure, removing the gasket from the mold and installing the gasket on the glass panel, allowing the gasket to continue to cool, shrink and cross-link so that the gasket is in tension and therefore intimately and tightly retained about the periphery of the glass. Metal shaping and reinforcing strips may also be molded into the gasket.
    Type: Grant
    Filed: March 14, 1996
    Date of Patent: June 30, 1998
    Assignee: GenCorp Inc.
    Inventor: Ronald E. Dupuy
  • Patent number: 5770303
    Abstract: A latex binder composition comprises occluded composite particles containing at least a vinyl ester homopolymer or a copolymer thereof polymerized from acrylate and/or ethylene monomers, and a polymer polymerized from conjugated diene and/or vinyl substituted aromatic monomers and desirably unsaturated carboxylic acid monomers. The occluded composite particles are produced in the absence of crosslinking agents by first polymerizing the vinyl esters and optional acrylate and/or ethylene monomers, and subsequently in situ polymerizing the conjugated diene and/or vinyl substituted aromatic, etc., monomers in the presence of the vinyl ester latex particles. The occluded composite-particle latex contains phase separated domains which are neither a core-shell nor an inverted core-shell particle and provide properties which are superior to physical blends of the two classes of polymers when utilized as binders in paper coating formulations.
    Type: Grant
    Filed: January 5, 1996
    Date of Patent: June 23, 1998
    Assignee: GenCorp Inc.
    Inventors: Raymond J. Weinert, Satish C. Sharma, John P. Kovalchin, David M. Lee, Nick G. Triantafillopoulos, Ira John Westerman