Valve closure means

Details Valve closure means Valve closure means

1984-02-27

1986-01-14

Rosenthal, Arnold

Valves and valve actuation

Valve head movably connected for accommodation to seat

Rotatable only

251357, F16K 146, F16K 148

Patent

active

045641706

ABSTRACT:
A closure means, for a valve, comprising communicating inlet and outlet ports and a closeable valve seat therebetween, comprising an elongated headless valve stem extending from the valve face through the seat into the inlet port and a resilient washer retained on the stem having an outer diameter larger than the valve seat and an inner hole larger than the stem to allow the washer to ride loose on the stem when the valve is open and close tight on the seat when the valve is closed.

REFERENCES:
patent: 933779 (1909-09-01), Newell
patent: 1482021 (1924-01-01), Little
patent: 1953675 (1934-04-01), Erisman
patent: 2057233 (1936-10-01), Esnard
patent: 2132894 (1938-10-01), Esnard
patent: 2315948 (1943-04-01), Esnard
patent: 3275287 (1966-09-01), Bartlett
patent: 3892383 (1975-07-01), Hesse

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