Patents by Inventor Bernard Pillac

Bernard Pillac 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).

  • Hydraulic safety device for a mechanism for closing up the rolls of a rolling mill
    Patent number: 4577484
    Abstract: Hydraulic safety device for the mechanism for closing up the rolls of a rolling mill, comprising an hydraulic safety valve (20) which is accommodated directly inside the jack (1) for closing up the mill rolls and which automatically reduces the pressure of the fluid in the control chamber (12) as soon as the stroke of the body (11) of the jack reaches a predetermined limiting position.
    Type: Grant
    Filed: July 12, 1984
    Date of Patent: March 25, 1986
    Assignee: CLECIM
    Inventors: Michel Morel, Bernard Pillac