Patents Assigned to Forbes Polytech, Inc.
  • Patent number: 4968514
    Abstract: A bottle crown cap, particularly for beer bottles, comprising a metal shell and a liner of thermoplastic polyurethane. The liner material is completely reacted, then applied directly to the shell by a hot melt process.
    Type: Grant
    Filed: October 20, 1986
    Date of Patent: November 6, 1990
    Assignee: Forbes Polytech, Inc.
    Inventor: David L. Forbes