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. 27, 1994
Filed:
Jul. 12, 1993
Applicant:
Inventors:
Hirokazu Sawada, Shizuoka, JP;
Tsutomu Kakei, Shizuoka, JP;
Masaya Matsuki, Shizuoka, JP;
Akio Uesugi, Shizuoka, JP;
Assignee:
Fuji Photo Film Co., Ltd., Kanagawa, JP;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
B22D / ;
U.S. Cl.
CPC ...
164476 ; 164477 ; 148551 ;
Abstract
A method of producing a planographic printing plate support in which after aluminum is continuously cast directly from molten aluminum into a thin aluminum plate, the aluminum thin plate is subjected to cold rolling, heat treatment and flattening to obtain an aluminum support. The aluminum support is then subjected to surface toughening. The components of the aluminum support are