Patents by Inventor Marc Berthelier

Marc Berthelier 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: 6045735
    Abstract: A method of manufacturing a ribbed vulcanized transmission belt having an elastomer cushion layer and an elastomer compression layer in which reinforcing fibers are embedded, wherein the method comprises forming a blank having at least a cushion layer and a compression layer, molding the blank under pressure in a mold provided with an imprint of a plurality of ribs, vulcanizing the blank, and machining off surplus material to uncover protruding ends of the reinforcing fibers in at least one region of each rib. In the vicinity of the surfaces of the ribs, the mean direction of the reinforcing fibers is substantially tangential to the surfaces of the ribs.
    Type: Grant
    Filed: November 24, 1998
    Date of Patent: April 4, 2000
    Assignee: Hutchinson Societe Anonyme
    Inventor: Marc Berthelier
  • Patent number: 5904630
    Abstract: The invention concerns a method of manufacturing a ribbed vulcanized transmission belt having an elastomer cushion layer and an elastomer compression layer in which reinforcing fibers are embedded. The method comprises the following steps:a) forming a blank having at least the cushion layer and the compression layer;b) molding said blank under pressure in a mold provided with an imprint of the ribs;c) vulcanizing said blank;d) machining off surplus material so as to uncover protruding ends of the fibers.In the belt of the invention, in the vicinity of the surfaces of the ribs, the mean direction of the reinforcing fibers is substantially tangential to the surfaces of the ribs, and, in at least one region of each of said ribs, said fibers have protruding ends.
    Type: Grant
    Filed: August 20, 1997
    Date of Patent: May 18, 1999
    Assignee: Hutchinson Societe Anonyme
    Inventor: Marc Berthelier