Patents by Inventor Michel Derycke

Michel Derycke has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • Patent number: 6656318
    Abstract: The invention concerns a method of joining two reinforced thermoplastic material tubes having the same diameter. Ends of the two tubes are first butt welded along a peripheral weld. After forming the weld, a reinforced thermoplastic material outer jacket is fitted over most of the length of the peripheral weld, extending on either side of the weld over end sections of the two tubes. The outer jacket is heated and pressed radially until the outer jacket and the end sections of the two tubes interpenetrate.
    Type: Grant
    Filed: October 4, 2000
    Date of Patent: December 2, 2003
    Assignee: Seva
    Inventors: Alain Sabouraud, Alain Tournier, Michel Derycke, Gerard Joly