Patents Assigned to Brave Trading Limited
  • Retaining and stretching element for a film supporting framework
    Patent number: 4316308
    Abstract: A film retaining and tensioning element is provided in which the film passes between a pair of facing channel members adapted to be embedded one within the other and having complementary sinuous profiles whereby the inner channel pivots on the outer during assembly and progressively pinches and stretches the film. As tension on the film increases the locking effect further increases.
    Type: Grant
    Filed: December 6, 1979
    Date of Patent: February 23, 1982
    Assignee: Brave Trading Limited
    Inventor: Michel Chatelain