Valves and valve actuation – Reciprocating valve – Gate
Patent
1987-05-11
1988-04-19
Rosenthal, Arnold
Valves and valve actuation
Reciprocating valve
Gate
251327, 251368, F16K 302
Patent
active
047384328
ABSTRACT:
A valve such as penstock with a gate (13) which slides across an opening in a frame (10, 11, 12). On at least one side of the gate (13) is a two-part sealing strip consisting of resilient layer (22) and a superimposed bearing portion (23). Attached to or integral with bearing portion (23) is a thickened part (24) which limits the maximum compression of the resilient layer (22) when the valve is closed.
REFERENCES:
patent: 3897043 (1975-07-01), McBain et al.
Gardner Frederick B.
Hanson Malcolm C.
Richardson Kenneth J.
Rosenthal Arnold
Simon-Hartley Limited
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