Intra packet film processing method and apparatus

Gas separation: apparatus – Electric field separation apparatus – Including gas flow distribution means

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96 50R, 96 63, 250475, 250477, G03C 530, G03C 516, G03B 4116

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active

039501728

ABSTRACT:
An intra packet film processing method and apparatus which includes the injection of a monobath film processing solution into a film packet by means of a hypodermic needle so as to uniformly coat the emulsion surfaces of the film while remaining in a light-tight condition in the packet. Since the film in most instances has emulsion surfaces on both sides thereof hypodermic needles are inserted from opposite sides so as to uniformly coat both surfaces of the film. The film is supported so that its outer ends may flex away from the needle as the needle is caused to penetrate the covering surfaces of the film. The flexing of the film reduces the attack angle of the needle and allows the tip of the needle to slide along the film surfaces without penetrating the film. Either the needles or the film are rotated about an axis extending through the plane of the film so as to engage both needles with opposite surfaces of the film packet to uniformly penetrate the covering materials of the packet.

REFERENCES:
patent: 3069266 (1962-12-01), Land
patent: 3575099 (1971-04-01), Levenson et al.
patent: 3782936 (1974-01-01), Abbott et al.

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