Patents Assigned to Establissements Pierre Grehal et Cie
  • Necking pliers for pipes and the like
    Patent number: 5263355
    Abstract: The necking pliers comprises a first arm having a U-shaped cross section and forming a nose in which is made a notch, with the notch defining blade-forming edges. The first arm is articulated to a second arm via a first pin placed near one end of the nose. The second arm defines a set of ramps for actuating at least one blade articulated on a second pin of the first arm, with the second pin being placed beyond the notch.
    Type: Grant
    Filed: March 23, 1992
    Date of Patent: November 23, 1993
    Assignee: Establissements Pierre Grehal et Cie
    Inventor: Roger Malagnoux
  • Cutter blade
    Patent number: D480932
    Type: Grant
    Filed: August 30, 2002
    Date of Patent: October 21, 2003
    Assignee: Establissements Pierre Grehal Et. Cie S.A.
    Inventor: Lionel Marcon