F - Mech Eng,Light,Heat,Weapons – 16 – L
Patent
F - Mech Eng,Light,Heat,Weapons
16
L
251/71
F16L 55/18 (2006.01) B65D 51/16 (2006.01) F16L 55/07 (2006.01)
Patent
CA 1287339
Abstract of the Disclosure A manually operated vent valve assembly for a bung hole in a drum lid. The low profile valve assembly is inserted into the bung hole and the lid sealed. The drum is vented by opening a valve stem in the assembly. The vented gas leaves through a gas outlet which is recessed in a reservoir within the valve assembly. By filling the reservoir with fluid, the venting gas can be observed as bubbles.
544854
Gowling Lafleur Henderson Llp
W.r. Grace & Co.,-Conn.
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