Catalytic fixer-dryer for liquid developed electrophotocopiers

Details Catalytic fixer-dryer for liquid developed electrophotocopiers Catalytic fixer-dryer for liquid developed electrophotocopiers

1983-02-22

1985-09-03

Prescott, A. C.

Photocopying

Projection printing and copying cameras

Combined with or convertible to a contact printer

355 3SH, 355 3FU, 422 4, 422173, 422199, 34155, G03G 1500, G03G 1512

Patent

active

045388997

ABSTRACT:
A liquid developed electrophotocopier wherein liquid carrier dispersant transferred to a copy sheet concomitantly with the developed image is catalytically oxidized to provide harmless gaseous oxidation products at temperatures sufficiently elevated to vaporize transferred carrier and to dry and fix the transferred image. The catalytic fixer-dryer is brought rapidly to operating temperature by injecting an atomized spray of carrier liquid. The carrier liquid has a low auto-oxidation temperature; and the fixer-dryer is operated above such temperature to ensure complete oxidation of carrier vapors even though the catalyst may have been largely rendered inactive.

REFERENCES:
patent: 3854224 (1974-12-01), Yamaji et al.
patent: 3880515 (1975-04-01), Tanaka et al.
patent: 3907423 (1975-09-01), Hayashi et al.
patent: 3957369 (1976-05-01), Wirth
patent: 4415533 (1983-11-01), Kurotori et al.
patent: 4462675 (1984-07-01), Morow et al.

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