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. 01, 1981
Filed:
Apr. 03, 1980
Applicant:
Inventors:
Yuzo Takahashi, Iwatsuki, JP;
Yoshinari Maeda, Iwatsuki, JP;
Yasuyuki Tanaka, Iwatsuki, JP;
Kastumi Nagai, Iwatsuki, JP;
Shiro Oyama, Iwatsuki, JP;
Assignee:
Hokkai Can Co., Ltd., Tokyo, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B21D / ;
U.S. Cl.
CPC ...
1131 / ; 1131 / ; 1131 / ; 156203 ;
Abstract
In a can body forming process and equipment therefor, the cooling action to be added to the joining portions at the opposite ends of a can body blank is effected only at the lower part of the can forming cylinder so that said joining portions can be joined substantially without undergoing internal strain and with a higher forming accuracy.
Quick Actions:
Takahashi, Yuzo. (1981). Process for forming can bodies (U.S. Patent No. 4303032). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/4303032
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile