Patent
1980-06-27
1982-02-02
Hix, L. T.
354300, G03D 700
Patent
active
043136664
ABSTRACT:
This invention relates to an apparatus for developing light-sensitive recording materials with a vaporous developing medium in a developing chamber, comprising housing means having a vapor space therein, aperture means in said vapor space, external and internal pressure means adapted to close said aperture means, said external pressure means having a height of lift X and being equipped with heating means, said internal pressure means being adapted to close said aperture means in a gas-tight manner and having a height of lift Y which is greater than X, and vaporizer means connected to said vapor space.
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patent: 3149550 (1964-09-01), Lohse et al.
patent: 3323436 (1967-06-01), Hafer et al.
patent: 3364833 (1968-01-01), Mulvany
patent: 3446135 (1969-05-01), Dorman
patent: 3748995 (1973-07-01), Schroter et al.
patent: 4141640 (1979-02-01), Roberts
patent: 4172652 (1979-10-01), Stein
Koblo Jochen
von dem Bussche Gotz
Bryan James E.
Hix L. T,.
Hoechst Aktiengesellschaft
Mathews Alan
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