Sanitary valve assembly

Details Sanitary valve assembly Sanitary valve assembly

2008-11-25

2011-11-22

Lee, Kevin (Department: 3753)

Fluid handling

Line condition change responsive valves

Direct response valves

C137S315040, C137S469000

Reexamination Certificate

active

08061382

ABSTRACT:
A reusable sanitary valve assembly with a releasable cap or cover that disengages from the valve indicating an over-pressure situation has occurred, the cap or cover is capable of being reset, and once it is known that gas, liquid or other contaminants have possibly entered the valve following an over-pressure situation, the interior of the valve can be inspected by removing a portion of the valve while the valve remains sealed on a pressurized substrate and, if the interior of the valve is contaminated, the interior of the valve can be cleaned and closed without unseating the valve.

REFERENCES:
patent: 2069645 (1937-02-01), Cardew
patent: 2634748 (1953-04-01), Morrison
patent: 3422840 (1969-01-01), Bryant et al.
patent: 4168723 (1979-09-01), Schneider
patent: 4273151 (1981-06-01), Nezworski
patent: 4782850 (1988-11-01), Duffy et al.
patent: 5623962 (1997-04-01), Danzy et al.
patent: 6668853 (2003-12-01), Dean

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