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. 31, 1977
Filed:
Mar. 05, 1975
Applicant:
Inventors:
Hidejiro Asano, Kitakyushu, JA;
Shigeyoshi Maeda, Kitakyushu, JA;
Assignee:
Nippon Steel Corporation, Tokyo, JA;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B32B / ; B32B / ;
U.S. Cl.
CPC ...
428341 ; 428461 ; 428463 ; 428467 ; 428497 ; 428469 ; 148 / ; 148 / ; 427409 ; 427417 ; 427418 ; 4274 / ;
Abstract
A steel plate for preparing cans by ironing having on its surface a composite oil coating which comprises a base oil and one or more, each amounting to 3 to 50 parts, selective from the group comprising of polybutene, polypropylene, polyethylene and ethyl or methyl polymethacrylate, the average molecular weight for each being in the range 500 to 30,000.