Device for degassing diazotype materials by convection heating

Details Device for degassing diazotype materials by convection heating Device for degassing diazotype materials by convection heating

1984-09-17

1986-04-15

Wintercorn, Richard A.

Photocopying

Contact printing

Machine

354300, G03B 2730

Patent

active

045824231

ABSTRACT:
There is disclosed a diazotype copier for deodorizing developed diazocopy material. The copier includes a light source for exposing the diazotype copy material and a developing chamber for developing the exposed copy material. After exiting the developing chamber, the developed material passes under a heating chamber which includes a heating element and means for providing a flow of air into the chamber, around the heating element, and across the developed copy material. The heating air releases the entrapped ammonia vapors from the developed copy material. Thereafter, the air, including the released ammonia vapors, flows toward and into a scavenging device which neutralizes the ammonia vapors.

REFERENCES:
patent: 3720150 (1973-03-01), Hurtig et al.
patent: 4358193 (1982-11-01), Hale
patent: 4441803 (1984-04-01), Pelis
patent: 4449815 (1984-05-01), Staffan

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