Patents Represented by Law Firm Hill, Van Santeen, Steadman & Simpson
  • Structure of coupling head portion for coiled slide fastener element
    Patent number: 5142747
    Abstract: A coiled slide fastener element made of a synthetic resin monofilament has a coupling head portion, which has an enlarged width by forming bulging portions so that firm coupling of a slide fastener can be realized.
    Type: Grant
    Filed: July 3, 1991
    Date of Patent: September 1, 1992
    Assignee: Yoshida Kogyo K.K.
    Inventor: Haruo Matsushima