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:
Dec. 07, 1999
Filed:
Mar. 30, 1998
Applicant:
Inventor:
Naoki Mizobuchi, Neyagawa, JP;
Assignee:
Exedy Corporation, Neyagawa, JP;
Primary Examiner:
Int. Cl.
CPC ...
B21D / ;
U.S. Cl.
CPC ...
72348 ;
Abstract
The present invention relates to a press working process whereby a front cover and an impeller shell are deformed such that corner portions are formed on a blank material whereby the corner portions undergo minimal reductions in thickness. In the press working method, compressive force is applied parallel to the thickness of the blank to circumvent reduction in thickness during the deforming process.