Photocopying – Contact printing – Light boxes
Patent
1993-01-15
1994-08-02
Braun, Fred L.
Photocopying
Contact printing
Light boxes
355 27, G03G 1500, G03G 2100, G03D 308
Patent
active
053350472
ABSTRACT:
A printing-plate making apparatus is constructed such that a mode selecting switch adapted to change a master supplying process depending on properties of a master X is disposed on a housing 1 of the printing-plate making apparatus and various conditions, e.g., a master supplying process, locking member 4 for a master supplying roller 3, a temperature preset for a panel heater 33 and a compressing force given by press rollers 35a and 35b are automatically changed to optimal conditions corresponding to masters selected by the mode selecting switch. The printing-plate making apparatus is provided with a master heating switch on the housing 1 of the printing-plate making apparatus and when the master heating switch is actuated, applying of a certain voltage to at least a charger is stopped so that the panel heater 33 arranged at a fixing step is kept in the heated state so as to serve as a master heating unit.
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patent: 4573782 (1986-03-01), Kobayashi et al.
patent: 4694748 (1987-09-01), Fujisawa et al.
patent: 4843422 (1989-06-01), Mampaey et al.
patent: 4942421 (1990-07-01), Gumbinner
Hatori Nobuyoshi
Iwamoto Tamio
Kai Masanori
Koike Toshio
Okabe Satoshi
Braun Fred L.
Iwatsu Electric Co. Ltd.
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