Method and apparatus for producing a developer medium for diazot

Details Method and apparatus for producing a developer medium for diazot Method and apparatus for producing a developer medium for diazot

1974-12-16

1977-01-11

Braun, Fred L.

Distillation: apparatus

Apparatus

Elements

34 36, 34 74, 34155, 202234, 203 49, 219271, 354300, G03D 1300

Patent

active

040030695

ABSTRACT:
An apparatus for producing a gaseous developer medium for a diazotype material from a developer solution, which apparatus comprises a vessel provided with a heater and an outlet for residual liquid, for generating a stream of vapor from a liquid,
A conduit in which a stream of developer solution flowing in one general direction can come into contact with a stream of vapor flowing in the other general direction, which conduit communicates at one end with the vessel and is provided at, or in the vicinity of, the other end with an inlet for the developer solution,
A condenser which communicates with the end of the conduit remote from the vessel, the condenser having an outlet for gaseous developer medium and an outlet for condensed developer medium,
And a vaporizing vessel adapted to be located in a developing chamber for diazotype materials, which vaporizing vessel communicates with the outlet for condensed developer medium. The invention also relates to a process for developing diazotype material using the apparatus of the invention.

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: 3147687 (1964-09-01), Halden

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