Patents Assigned to Ries GmbH Bekleidungsverschlussfabrik
  • Patent number: 4918793
    Abstract: In a zip fastener comprising coupling member rows being formed of one continuous monofilament each, the coupling members of which consist of a folded S-shaped meandering profile, after conducting the according manufacturing process, the folded S-shaped meandering profile forming the coupling members of each coupling member row is connected in a weft thread manner with two strips of textile knitted fabrics forming a carrying tape, and the two strips of textile knitted fabrics forming the carrying tape are areally superimposed on each other with their leading edges being aligned.
    Type: Grant
    Filed: October 6, 1987
    Date of Patent: April 24, 1990
    Assignee: Ries GmbH Bekleidungsverschlussfabrik
    Inventor: Siegfried W. Spindler
  • Patent number: 4025374
    Abstract: A method and apparatus for simplifying the production of closing members from a continuous tape having supporting hooks or eyes, for use in undergarments and the like. Zones of separation are produced between individual closing members by ultrasonic linear welding as the tape is advanced in steps.
    Type: Grant
    Filed: January 17, 1975
    Date of Patent: May 24, 1977
    Assignee: Ries GmbH Bekleidungsverschlussfabrik
    Inventors: Siegfried Wolfram Spindler, Manfred Rudi Kohler