Patents Assigned to Hamamatsu Gasket Seisakusho Limited
  • Metal gasket
    Patent number: 4810591
    Abstract: In construction of a composite type metal gasket having a hard metal substrate, use of Cu, Cu-base alloy, Al or Al-base alloys for covering layers well enhances sealing effect and consolidates substrate-covering bonding.
    Type: Grant
    Filed: October 7, 1986
    Date of Patent: March 7, 1989
    Assignees: Hamamatsu Gasket Seisakusho Limited, Nippon Gakki Seizo Kabushiki Kaisha
    Inventor: Yakichi Sakai