1979-10-10
1981-02-03
Hix, L. T.
354312, 354323, 354324, 354330, G03D 306
Patent
active
042485142
ABSTRACT:
A photographic processing apparatus including an air tight chamber mounted for angular movement about an axis. A pump is connected to the interior of the chamber. A valve connects the inlet of the pump either to a reservoir so that processing fluid may be introduced into the chamber or to the atmosphere so that air under pressure can be introduced into the chamber to force processing fluid therein out of the chamber through a chamber outlet.
REFERENCES:
patent: 2825272 (1958-03-01), Mader
patent: 3508483 (1970-04-01), Weider et al.
patent: 3554108 (1971-01-01), Gall
patent: 3623416 (1971-11-01), Anderberg
patent: 3840214 (1974-10-01), Merz
patent: 4054902 (1977-10-01), Robek
Helzer Charles W.
Hix L. T,.
Mathews Alan
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