Patents Represented by Law Firm Helfoott & Karas P.C.
  • Patent number: 5551818
    Abstract: A self-drilling fastener includes a fastening element and a plate-shaped drilling insert inserted in a slot of the fastening element. The lateral peripheral surfaces of the insert have channels which extend over the whole width of the insert. Pressed into the channels are edges of jaws which define the slot of the fastening element so that the insert is held in the fastening element by plastic deformation.
    Type: Grant
    Filed: August 11, 1994
    Date of Patent: September 3, 1996
    Assignee: SFS Industrie Holding AG
    Inventor: Norbert Koppel