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:
May. 11, 1999
Filed:
Oct. 20, 1997
Applicant:
Inventor:
Yasushi Enoki, Sagamihara, JP;
Assignee:
Daiwa Can Company, Tokyo, JP;
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
B21D / ;
U.S. Cl.
CPC ...
413 76 ; 413 69 ; 413 73 ; 413 75 ;
Abstract
A process for manufacturing a cylindrical metal can having, on its side walls, projected portions and recessed portions. The projected portions are formed by forcing the side walls radially outwardly, and the recessed portions are formed by urging unprojected portions radially inwardly while the projected portions are being forced radially outwardly.