Photographic processing apparatus

Details Photographic processing apparatus Photographic processing apparatus

1997-02-19

1998-06-16

Rutledge, D.

Photography

Fluid-treating apparatus

Fluid application to one side only of photographic medium

396612, 396627, G03D 500, G03D 308

Patent

active

057686513

ABSTRACT:
A processing apparatus for processing a web of photosensitive material having an emulsion layer on one side. The apparatus has at least one development section. The development section comprises an elongated narrow processing chamber having an entrance port for receiving a processing solution under pressure; a processing tube disposed within the elongated narrow processing chamber and forming a narrow fluid passageway between the chamber and the processing tube, the web passing through the processing tube at a fixed predetermined orientation and position so as to define a longitudinal axis with respect to the photosensitive material, the processing tube having at least one row of processing openings for introducing processing fluid from the passageway into the processing tube against the emulsion layer substantially across the width of the emulsion layer. The elongated chamber may be formed using an elongated tube placed around the processing tube. The inner tube may have an elliptical cross-sectional configuration.

REFERENCES:
patent: 4736222 (1988-04-01), Stromberg
patent: 4758858 (1988-07-01), Blackman et al.
patent: 5452043 (1995-09-01), Patton et al.
Science and Technology, Reinventing Kodachrome, Feb. 15, 1997, pp. 79 & 80.

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