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:
Oct. 30, 2001
Filed:
Jun. 14, 1999
Applicant:
Inventors:
Shigeharu Nishimura, Shizuoka-ken, JP;
Nobuhiro Horiuchi, Fukuroi, JP;
Assignee:
NSK-Warner K.K., Tokyo, JP;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
B21D 3/500 ;
U.S. Cl.
CPC ...
B21D 3/500 ;
Abstract
The present invention provides a method for manufacturing friction plates obtained by adhering friction members to substantially annular core plates, comprising the steps of simultaneously stamping a plurality of coaxial core plates having different diameters with a joint portion remaining therebetween, preliminarily adhering friction member segments to the stamped plural core plates, and stamping the joint portion during or after a main adhering step following the preliminarily adhering step.