Valves and valve actuation – With correlated flow path – Tank
Patent
1990-03-09
1991-04-02
Chambers, A. Michael
Valves and valve actuation
With correlated flow path
Tank
251 90, 251152, 251339, F16K 5100
Patent
active
050042092
ABSTRACT:
A dry disconnect coupling and a safety cap for portable tanks are disclosed. The disconnect coupling includes a fitting flange to be mounted to the drain of the tank, a plug movably secured in the flange and having flow and non-flow positions, and a coupling which lockingly engages with the flange and cooperates with the plug. The coupling includes a plug drive pin and a valve disposed coaxially therein. Individual drive knobs are provided for the plug drive pin and valve to cause axial translation thereof relative to the coupling and to each other. The safety cap includes a fitting flange to be mounted to the drain of the tank, a plug movably secured in the flange, and a coupling which lockingly engages with the flange and cooperates with the plug. The safety cap insures the proper, secure, and tight positioning of the plug in the fitting flange and maintains it in the non-flow position.
REFERENCES:
patent: 754618 (1904-03-01), Smith et al.
patent: 2438776 (1948-03-01), Boylan
patent: 3211419 (1965-10-01), Klinger-Lohr
patent: 3473569 (1969-10-01), Guertin et al.
patent: 4101000 (1978-07-01), Scully
patent: 4431023 (1984-02-01), Johnson
Chambers A. Michael
Corle James T.
E. I. Du Pont de Nemours and Company
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