Ventilation apparatus for removing vapors

Ventilation – Workstation ventilator

Patent

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Details

204270, B08B 1502

Patent

active

053382480

ABSTRACT:
A ventilation system for ventilating a process tank (30, 31, 32) containing a liquid (L.sub.1, L.sub.2 or L.sub.3) which produces noxious fumes or vapors. A hood (33, 34 or 35) is provided which has one or more open slots (33A) for continuous venting of the surface of the tank (33) and a door (37) which covers a second slot (33B) which is activated only when there are additional fumes, particularly when fixture or workpiece, such as fixture (12), is removed from the tank (30). The hoods are designed for automatic operation of the doors. The hood is particularly useful for the plating industry or other industries where noxious fluids in tanks need to be vented.

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