Patents by Inventor David Kierbel

David Kierbel 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).

  • Friction liner for a dry friction device, a method of making such a liner, and a clutch friction wheel having such a liner
    Patent number: 6571449
    Abstract: A friction liner, for a dry friction device such as a clutch friction wheel, or a disk brake for a motor vehicle gearbox, is of flat, annular general form. It comprises a flat annular body of friction material having a cylindrical inner surface and a cylindrical outer surface. At least one annular reinforcing zone is incorporated in the body of the liner.
    Type: Grant
    Filed: November 12, 1999
    Date of Patent: June 3, 2003
    Assignee: Valfo
    Inventors: Loïc Adamczak, David Kierbel, Claude Legrand, Richard Guerin
  • Apparatus for making an annular friction liner
    Patent number: 6454555
    Abstract: An annular friction liner, especially for use in a friction device of a motor vehicle, is made by an apparatus including a pair of adjacent conical rolls, a helical guide and a device for trimming a length of the continuous ring whereby a straight strip of friction material, having a width substantially equal to the required final width of the liner, is deformed into a continuous ring.
    Type: Grant
    Filed: March 14, 2000
    Date of Patent: September 24, 2002
    Assignee: Valeo
    Inventors: David Kierbel, Loïc Adamczak, Cécile Rommeru, Claude Legrand
  • FRICTION LINER FOR A DRY FRICTION DEVICE, A METHOD OF MAKING SUCH A LINER , AND A CLUTCH FRICTION WHEEL HAVING SUCH A LINER
    Publication number: 20020017442
    Abstract: A friction liner, for a dry friction device such as a clutch friction wheel, or a disk brake for a motor vehicle gearbox, is of flat, annular general form. It comprises a flat annular body of friction material having a cylindrical inner surface and a cylindrical outer surface. At least one annular reinforcing zone is incorporated in the body of the liner.
    Type: Application
    Filed: November 12, 1999
    Publication date: February 14, 2002
    Inventors: LOIC ADAMCZAK, DAVID KIERBEL, CLAUDE LEGRAND, RICHARD GUERIN
  • Friction liner for a dry friction device, a method of making such a liner, and a clutch friction wheel having such a liner
    Patent number: 6056100
    Abstract: A friction liner, for a dry friction device such as a clutch friction wheel, or a disk brake for a motor vehicle gearbox, is of flat, annular general form. It comprises a flat annular body of friction material having a cylindrical inner surface and a cylindrical outer surface. At least one annular reinforcing zone is incorporated in the body of the liner.
    Type: Grant
    Filed: March 5, 1998
    Date of Patent: May 2, 2000
    Assignee: Valeo
    Inventors: Loic Adamczak, David Kierbel, Claude Legrand, Richard Guerin
  • Method of making an annular friction liner
    Patent number: 6036903
    Abstract: An annular friction liner, especially for use in a friction device of a motor vehicle, is made by a method in which a straight strip of friction material, having a width substantially equal to the required final width of the liner, is deformed into a continuous ring.
    Type: Grant
    Filed: February 6, 1998
    Date of Patent: March 14, 2000
    Assignee: Valeo
    Inventors: David Kierbel, Loic Adamczak, Cecile Rommeru, Claude Legrand