Apparatus for the liquid-processing of light-sensitive sheet mat

Details Apparatus for the liquid-processing of light-sensitive sheet mat Apparatus for the liquid-processing of light-sensitive sheet mat

1983-08-04

1984-12-25

Mathews, A. A.

Cleaning and liquid contact with solids

Apparatus

Sequential work treating receptacles or stations with means...

354324, 134 64P, G03B 306

Patent

active

044900309

ABSTRACT:
An apparatus for the liquid processing of light-sensitive material comprises a processing dish having a horizontal intermediate bottom and passage gaps, at the sheet entry end as well as at the sheet exit end, respectively, between the respective end wall of the dish and the adjacent edge of the intermediate bottom. The intermediate bottom is provided on its upper side with a screen of slender pins. The screen of pins together with a lid covering the dish delimit a passage gap for the sheets being conveyed through the passage gap in the apparatus by means of pairs of conveying and squeezing rollers in the direction indicated by an arrow T. In the dish end wall at the sheet exit end, a horizontal row of injection nozzles for the processing liquid is provided near the dish bottom. The dish end wall at the sheet entry end is provided with a horizontally extending ledge of nose-like cross section in order to deflect by 180.degree. the stream of liquid arriving from under the intermediate bottom. Thereby, a liquid stream is generated which circulates about the intermediate bottom, while a portion of the liquid passes over the overflow constituted by the upper rim of the dish end wall on the sheet entry side, and is recirculated by a circulating pump and through the nozzles into the dish.

REFERENCES:
patent: 3344729 (1967-10-01), Kitrosser
patent: 3372630 (1968-03-01), Schmidt
patent: 3641911 (1972-02-01), Aelterman et al.
patent: 3812870 (1974-05-01), Geyken et al.
patent: 4187023 (1980-02-01), Schausberger et al.
patent: 4327988 (1982-05-01), Vanhorebeek et al.

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