Patents Assigned to Tappex Thread Inserts Limited
  • Fastener
    Publication number: 20080193252
    Abstract: The present invention relates to an improved fastener, and, in particular, to a threaded fastener or insert arranged in use to be self threading into a workpiece having beneficial insertion and pull-out characteristics.
    Type: Application
    Filed: April 20, 2006
    Publication date: August 14, 2008
    Applicant: Tappex Thread Inserts Limited
    Inventor: Timothy John Roderic Barnsdale
  • Self-threading fastener
    Patent number: 5064323
    Abstract: A threaded fastener or insert has a generally cylindrical body and about the body is formed a thread. Two sets of flutes are formed in the thread extending axially of the body. One of these sets extends deeper into the thread than the other set.
    Type: Grant
    Filed: February 20, 1991
    Date of Patent: November 12, 1991
    Assignee: Tappex Thread Inserts Limited
    Inventor: Timothy J. R. Barnsdale