Valves and valve actuation – With correlated flow path – Pipe coupling or union
Patent
1988-02-04
1988-11-29
Chambers, A. Michael
Valves and valve actuation
With correlated flow path
Pipe coupling or union
251326, 433 88, 604902, F16K 300
Patent
active
047875992
ABSTRACT:
An improved manually operated slide valve, particularly adept for use with a dental aspirator assembly, which valve is characterized by being formed from a number of components removably associated with one another to permit the valve to be disassembled for cleaning purposes. The improved value is also characterized by including means for preventing the slide member to move from an open to a closed position due to variations in pressure within the interior of the valve.
REFERENCES:
patent: 2696049 (1954-12-01), Black
patent: 3645497 (1972-02-01), Nyboer
patent: 4430073 (1984-02-01), Bemis et al.
Babcock William C.
Chambers A. Michael
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