Valve covers

Details Valve covers Valve covers

1996-05-17

1997-11-25

Chambers, A. Michael

Fluid handling

With casing, support, protector or static constructional...

Guards and shields

137377, 137347, 105360, F16K 2708

Patent

active

056901410

ABSTRACT:
Described are improved valve covers on containers adapted for use in shipping and/or storing transportable chemicals. In one device of the invention, a hinge connects a lid to a rim and is displaced from the container's center line at a first preselected angle, is free-floating to permit horizontal self-alignment with the rim upon contact therewith, and is equipped with stop means for preventing the lid from swinging open more than a second preselected angle from a plane occupied by the sealing surface of the rim. The invention provides valve covers, and containers with valve covers, having significantly improved sealing capability to provide better protection of container valves and container content from external elements, contaminants and/or reactants, while employing a configuration which makes access to the valves and container contents easier and safer.

REFERENCES:
patent: 938793 (1909-11-01), Schraudenbach
patent: 2166730 (1939-07-01), Schanck
patent: 3209675 (1965-10-01), Stimpson et al.
patent: 3314444 (1967-04-01), White, Jr.
patent: 5251658 (1993-10-01), Zink

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