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:
Jul. 10, 1990
Filed:
Sep. 08, 1989
Applicant:
Inventors:
Hiroshi Kagechika, Tokyo, JP;
Tadahiko Mishima, Tokyo, JP;
Yoshinori Yomura, Tokyo, JP;
Hiroshi Ishikawa, Tokyo, JP;
Naoyuki Oniwa, Tokyo, JP;
Yoshihiko Yasue, Tokyo, JP;
Assignee:
NKK Corporation, Tokyo, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C23C / ; C23C / ; C23C / ;
U.S. Cl.
CPC ...
2041921 ; 20419215 ; 20419231 ; 427 38 ; 427 39 ; 427 50 ; 427250 ;
Abstract
A method of manufacturing a plated steel sheet for cans which must have a good outer appearance for printing and high image clarity. The method comprises forming a plating layer directly on the surface of a steel sheet having an average central surface roughness of 0.10 .mu.m or less, the plating layer being formed by vacuum deposition. The plating layer is a metal or a metal alloy, has a thickness of from 0.01 to 5 .mu.m, and has a high image clarity.