Patents Assigned to Marusan Packing Manufacturing Co.
  • Surface coated gasket sheet
    Patent number: 4620995
    Abstract: Tough heat- and corrosion-resistant films of polytetrafluoroethylene (PTFE) are baked onto the surfaces of sheet-type gaskets in a curtain coating process. The gasket to be coated is passed through a flow of liquid PTFE-resin containing composition, the gasket inverted end-for-end, the opposite side coated, then baked, to form a tough film.
    Type: Grant
    Filed: June 28, 1985
    Date of Patent: November 4, 1986
    Assignee: Marusan Packing Manufacturing Co.
    Inventors: Nobuyuki Otomo, Hiroaki Chiba, Tsuneo Uno, Toshiki Aono, Kozo Suzuki
  • Cylinder head gasket construction
    Patent number: 4605236
    Abstract: An improved gasket where the openings in the gasket which fit around the cylinder bores is provided with a grommet which is generally U-shaped in cross-section, having spaced ends at least one of which is bent inwardly to engage the bore wall of the grommet to securely hold the grommet in place in the gasket opening.
    Type: Grant
    Filed: August 27, 1984
    Date of Patent: August 12, 1986
    Assignees: Hino Jidosha Kogyo Kabushiki Kaisha, Marusan Packing Manufacturing Co.
    Inventors: Keiichi Tsuchihashi, Shinji Yamada, Makoto Arakawa, Osamu Aizawa, Nobuyuki Otomo