Patents Assigned to Bridgestone Australia Pty. Ltd.
  • Weatherstrip
    Patent number: 4419844
    Abstract: A weatherstrip is formed by a process of multiple extrusion to have sponge which extends from a free sealing end to a captive end, and on each side of the sponge at the captive end there is a respective extrusion of dense rubber flanking a reduced thickness portion of the sponge.
    Type: Grant
    Filed: November 12, 1982
    Date of Patent: December 13, 1983
    Assignee: Bridgestone Australia Pty. Ltd.
    Inventor: Rudolf P. Kreisfeld