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:
Oct. 08, 1996
Filed:
Dec. 07, 1994
Yasuhisa Nishikawa, Ihara-gun, JP;
Hideki Suzuki, Ihara-gun, JP;
Hirokazu Sakaki, Haibara-gun, JP;
Yoshinori Hotta, Haibara-gun, JP;
Nippon Light Metal Company, Ltd., Tokyo, JP;
Fuji Photo Film Company, Ltd., Kanagawa, JP;
Abstract
An aluminum alloy substrate for an electrolytically grainable lithographic printing plate, consisting of an aluminum alloy cold-rolled sheet, produced by a continuous casting and rolling process, comprising 0.20 to 0.80 wt % of Fe with the balance consisting of aluminum, grain refining elements, and unavoidable impurities including 0.3 wt % or less of Si and 0.05 wt % or less of Cu, grains in a surface layer portion having a width of not more than 150 .mu.m in a direction parallel to the sheet surface and normal to the direction of cold rolling and a length, in a direction parallel to the direction of cold rolling, of not more than 8 times the width.