Apparatus for preventing a contamination of the ambient air duri

Textiles: fluid treating apparatus – Machines – Combined

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D06F 4308

Patent

active

044598319

ABSTRACT:
A mixture of air and solvent vapor is sucked from a distillation vessel before or while the door closing the discharge opening of the distillation vessel is opened and the mixture is purified and then exhausted as exhaust air. In the apparatus, the distillation vessel is connected by conduits and controllable valves to the drying fan, by which the solvent-containing air that has been sucked is exhausted into the open through a purifying and/or recovering system.

REFERENCES:
patent: 2964934 (1960-12-01), Shields
patent: 3270530 (1966-09-01), Czech
patent: 3306083 (1967-02-01), Lorintzo
patent: 3978694 (1976-09-01), Hughes et al.
patent: 3990273 (1976-11-01), Scholten et al.

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