Patents Assigned to Compagnie Generale des Etablissements Michelin-Micheline & Cie
  • Patent number: 6412762
    Abstract: An element forming a suspension joint and torsion spring, characterized in that it comprises an outer tubular sub-frame, an inner tubular sub-frame and an intermediate connecting sleeve made from an elastomer material which is joined without any possible slippage of the outer and inner sub-frames; said elastomer sleeve comprises at least two cell structures extending along the circumference thereof, whereby the radial rigidity of the joint is reduced in a significant manner in at least a number of directions without significantly reducing the torsional rigidity thereof.
    Type: Grant
    Filed: December 15, 2000
    Date of Patent: July 2, 2002
    Assignee: Compagnie Generale des Etablissements Michelin-Micheline & Cie
    Inventor: Etienne de Fontenay
  • Patent number: 5431873
    Abstract: The tire mold having a surface 5 of open porosity which covers at least in art certain of the molding surfaces 10 and 20 in order to assure the venting of the mold.
    Type: Grant
    Filed: October 5, 1993
    Date of Patent: July 11, 1995
    Assignee: Compagnie Generale Des Etablissements Michelin - Micheline & Cie
    Inventor: Paul Vandenberghe