Method and apparatus for developing microfilm

Details Method and apparatus for developing microfilm Method and apparatus for developing microfilm

1977-04-18

1979-02-27

Braun, Fred L.

Photocopying

Contact printing

Light boxes

96 48R, 96 49, 355 27, 355100, G03D 700, G03B 2732, G03C 158

Patent

active

041416406

ABSTRACT:
A developing station for developing microfiche includes a pair of closely spaced walls, an inflatable tube defining the developing region of the station, a system for inflating the tube to seal the region, and a member for transporting a copy sheet into the region. The transporting member is withdrawn from the region during the developing step and moved back into the region subsequent to the developing step to transport the copy sheet from the developing region.

REFERENCES:
patent: 3323436 (1967-06-01), Hafer et al.
patent: 3364833 (1968-01-01), Mulvany
patent: 3440944 (1969-04-01), Endermann et al.
patent: 3674368 (1972-07-01), Johannsmeier
patent: 3744394 (1973-07-01), Firth

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