Patents by Inventor Denis Degesne

Denis Degesne 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).

  • Method for grooving the bore of a tube and grooving tool-holder
    Patent number: 7520705
    Abstract: A process to produce alternately concave and convex grooves that are evenly spaced inside a tube, wherein the process includes the steps of at least one simultaneous broaching stage for all the grooves of the tube using at least one roughing tool and/or at least one finishing tool, the tools made integral with a handle bar using a link, the different roughing tools being implemented successively and having a convex profile that gradually approaches the concave profile of the grooves, and at least one finishing tool having a concave profile to make the convex profile of the grooves.
    Type: Grant
    Filed: April 29, 2003
    Date of Patent: April 21, 2009
    Assignee: Giat Industries
    Inventor: Denis Degesne
  • Method for grooving the bore of a tube and grooving tool-holder
    Publication number: 20050229759
    Abstract: A process to produce alternately concave and convex grooves that are evenly spaced inside a tube, wherein said process comprises the following steps: at least one simultaneous broaching stage for all said grooves of said tube using at least one roughing tool and/or at least one finishing tool, said being tools made integral with a handle bar using linking means, said different roughing tools being implemented successively and having a convex profile that gradually approaches the concave profile of said grooves, at least one finishing tool having a concave profile to make the convex profile of said grooves.
    Type: Application
    Filed: April 29, 2003
    Publication date: October 20, 2005
    Inventor: Denis Degesne