Fluid handling – Processes
Patent
1996-03-28
1998-06-23
Lee, Kevin
Fluid handling
Processes
2511492, F16L 3728
Patent
active
057691070
ABSTRACT:
A split clam shell valve for flow and metering of powder, semi-viscous, and granular materials includes a resilient slitted cover over a discharge outlet in an outer valve component. The valve is driven into an open position by the action of an inner valve component received within the outer valve component and movable relative to the cover for applying a force which opens the slitted cover. An elastic band engaging the cover, cooperating with the resilient material forming the cover, seals the slit to automatically close the valve when the force applied to the cover by the inner valve component is removed. The valve is particularly useful for automatically refilling containers with semi-viscous, powder and granular material to the same level in repeatable operating sequence.
REFERENCES:
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patent: 2406662 (1946-08-01), Burchett
patent: 4387879 (1983-06-01), Tauschinski
patent: 5102395 (1992-04-01), Cheer et al.
patent: 5141498 (1992-08-01), Christian
patent: 5213309 (1993-05-01), Makishima
patent: 5269763 (1993-12-01), Boehmer et al.
patent: 5269771 (1993-12-01), Thomas et al.
patent: 5329726 (1994-07-01), Thorne et al.
patent: 5542582 (1996-08-01), Ligon et al.
American Cyanamid Company
Costello, Jr. Charles F.
Lee Kevin
Stone Mark P.
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