Apparatus for cleaning and demoisturizing running webs of photog

Details Apparatus for cleaning and demoisturizing running webs of photog Apparatus for cleaning and demoisturizing running webs of photog

1991-07-31

1993-04-27

Hepperle, Stephen M.

Drying and gas or vapor contact with solids

Apparatus

Rotary drums or receptacles

34160, B26B 1308

Patent

active

052050530

ABSTRACT:
A running web of wet exposed and developed photographic paper which issues from a rinsing bath in a developing machine is caused to advance around a fixedly mounted guide roll and through a passage between the guide roll and the orifice of a combined cleaning and drying member which discharges compressed air against successive increments of the running web. The air discharging member is biased upwardly toward the roll to abut flanges which are provided at the ends of the roll and serve to determine the minimum width of the passage in such a way that the air discharging member cannot rise into physical contact with the web.

REFERENCES:
patent: 378266 (1888-02-01), Simonds
patent: 1759804 (1930-05-01), Pieron
patent: 3041740 (1962-07-01), Allen
patent: 3739491 (1973-06-01), Creapo et al.
patent: 3925905 (1975-12-01), Zeiffer
patent: 4064637 (1977-12-01), Lindgren
patent: 4369584 (1983-01-01), Daane
patent: 4773580 (1988-09-01), Schweiger
patent: 4787547 (1988-11-01), Hella et al.

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