Method of producing support for planographic printing plate

Details Method of producing support for planographic printing plate Method of producing support for planographic printing plate

1994-09-13

1996-06-11

Kastler, Scott

Metal treatment

Stock

Age or precipitation hardened or strengthened

148692, C22C 2112

Patent

active

055251684

ABSTRACT:
Disclosed are (i) a method of producing a support for planographic printing plate, which comprises melting an aluminum ingot having an aluminum content of not less than 99.7 wt % to prepare a cast ingot, scalping the surface of the cast ingot, soaking the scalped cast ingot, cold rolling the soaked ingot to a thickness of 0.1 to 0.5 mm, correction of the resulting sheet to prepare an aluminum support, and then graining the aluminum support and (ii) a method of producing a support for planographic printing plate, which comprises melting an aluminum ingot having an aluminum content of not less than 99.7 wt % to prepare a cast ingot in a melt holding furnace, directly subjecting the cast ingot to continuous casting to prepare a thin sheet having a thickness of 2 to 30 mm, cold rolling the thin sheet, correction of the resulting sheet to prepare an aluminum support, and then graining the aluminum support.

REFERENCES:
patent: 4435230 (1984-03-01), Fujikura
patent: 5078805 (1992-01-01), Uesugi et al.
patent: 5350010 (1994-09-01), Sawada et al.
Cayless et al, "Alloy and Temper Designation Systems for Aluminum and Aluminum Alloys", Metals Handbook: American Society for Metals, 2(1-4):15-17 (Dec. 1990).

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