Patents Assigned to Kosaku UEDA
  • Patent number: 4196913
    Abstract: A gasket consists of a base plate made of a thin, hard sheet such as a metal, hard rubber and/or plastic sheet and formed with one or a plurality of radially spaced apart ondulations surrounding a hole cut through the base plate so that elasticity may be imparted thereto, and overlaid on the major surfaces of the base plate are surface plates the same as or substantially similar in configuration to the base plate and made of a thin sheet having a hardness equal to or slightly less than the hardness of the base plate. According to one embodiment, auxiliary plates made of a sheet with a hardness substantially equal to that of the base plate are interposed between the base plate and the surface plates.
    Type: Grant
    Filed: March 4, 1977
    Date of Patent: April 8, 1980
    Assignee: Kosaku UEDA
    Inventor: Toshio Oka