The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Sep. 24, 2002
Filed:
Mar. 14, 2000
Applicant:
Inventors:
David Kierbel, Caen, FR;
Loïc Adamczak, Montsecret, FR;
Cécile Rommeru, Limoges, FR;
Claude Legrand, Conde sur Noireau, FR;
Assignee:
Valeo, Paris, FR;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
B29C 4/326 ; B29C 4/346 ; B29C 5/312 ; B29C 5/372 ;
U.S. Cl.
CPC ...
B29C 4/326 ; B29C 4/346 ; B29C 5/312 ; B29C 5/372 ;
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.