Apparatus for producing a developer medium for diazotype materia

Details Apparatus for producing a developer medium for diazotype materia Apparatus for producing a developer medium for diazotype materia

1973-09-07

1976-07-13

Braun, Fred L.

Electric heating

Microwave heating

Tunnel furnace

23282, 219271, 219272, 354300, G03D 1300, G03D 700

Patent

active

039697410

ABSTRACT:
An apparatus for producing a gaseous developer medium for diazo-type material having a distillation column through which fluid developer solution and vapor pass counter-currently. An outlet on the distillation column is connected to a developing chamber. An inlet on the distillation column serves for feeding developer solution therein. The apparatus further includes a vapor generator connected to the distillation column by a direct conduit.

REFERENCES:
patent: 631461 (1899-08-01), Guillaume
patent: 2096015 (1937-10-01), Von Meister et al.
patent: 2108914 (1938-02-01), Bennett
patent: 2522529 (1950-09-01), Miller et al.
patent: 2696771 (1954-12-01), Frantz
patent: 3147687 (1964-09-01), Halden

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