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:
Jan. 03, 1989
Filed:
Mar. 23, 1987
Applicant:
Inventors:
Kusuo Furukawa, Tokyo, JP;
Teruo Fujiwara, Kawachi, JP;
Assignees:
Kawasaki Steel Corporation, Kobe, JP;
Nissan Motor Co., Ltd., Yokohama, JP;
Primary Examiner:
Int. Cl.
CPC ...
B21D / ;
U.S. Cl.
CPC ...
428600 ; 428687 ; 428925 ; 72199 ;
Abstract
A painting steel sheet having an improved distinctness of image after painting has a waviness curve of section profile satisfying given relationships, and is produced by temper rolling a steel sheet with work rolls dulled to particular dimensions through laser.