Patents Assigned to Tohyo Porimah Kabushikigaisha
  • Method for producing a gripping stick
    Patent number: 5073220
    Abstract: A gripping stick such as penholders, toothbrushes and shaving holders, in which a skin layer whose main component is polyolefin resin is laminated on a substrate layer formed of high melting point high-density polyolefin resin, the skin layer comprising an elastomer of low melting point low-density polyolefin resin within which high melting point high-density polyolefin resin powder remains in the form of solid particles and a mat-tone or rough surface is formed on the surface of the skin layer.
    Type: Grant
    Filed: April 12, 1989
    Date of Patent: December 17, 1991
    Assignee: Tohyo Porimah Kabushikigaisha
    Inventor: Yoshio Midorikawa