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Title:
PRINTER
Document Type and Number:
Japanese Patent JPH03236960
Kind Code:
A
Abstract:

PURPOSE: To conduct accurate printing, even if a machine glazed paper is composed of a heat-shrinkable material, by providing a cooling apparatus for cooling a printing drum.

CONSTITUTION: A printing drum 6 is provided with a cooling apparatus 31 for cooling said drum. This cooling apparatus 31 is equipped with a cooling water passage 32 formed like bellows in the printing drum 6 and this cooling water passage 32 is drawn out to the outside via a rotary joint. The cooling apparatus 31 of any constitution can be used when it can cool the printing drum 6, by blowing a cold air against the printing drum 6, etc. Because the printing drum 6 is cooled by the cooling apparatus 31, the printing drum 6 is prevented from reaching a high temperature by the heat of the ultraviolet lamp, etc., of a print-fixing means. Therefore, even if a machine glazed paper is composed of a heat-shrinkable material, it is possible to prevent the heat shrinkage of the machine glazed paper to conduct accurate printing.


Inventors:
Kosugi, Mitsuo
Application Number:
JP1990000033313
Publication Date:
October 22, 1991
Filing Date:
February 14, 1990
Export Citation:
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Assignee:
KANAZAWA SEAL:KK
International Classes:
B41F13/22; B65H23/34; (IPC1-7): B41F13/22; B65H23/34
Domestic Patent References:
JP61173342B



 
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