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:
Sep. 07, 1976
Filed:
Jul. 15, 1974
Applicant:
Inventors:
Hidejiro Asano, Kitakyushu, JA;
Yashichi Oyagi, Kitakyushu, JA;
Assignee:
Nippon Steel Corporation, Tokyo, JA;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B21D / ;
U.S. Cl.
CPC ...
1131 / ; 29195 ; 291963 ; 291966 ; 72 47 ; 204 25 ; 220 64 ; 427239 ; 427250 ; 427405 ; 427409 ;
Abstract
A steel sheet having a Ni or Cu base plating layer and a Sn upper plating layer characterized by the absence of any alloy layer intervening therebetween is subjected to an ironing operation with the thickness of the plating being relatively small. The internal surface of the can thus formed is provided with an organic coating for packing foodstuffs including effervescent beverages.