Stretch seal valve

Details Stretch seal valve Stretch seal valve

1977-03-10

1978-02-28

Cline, William R.

Valves and valve actuation

Reciprocating valve

Diverse material seal at valve interface

251357, 137DIG3, 13751629, F16K 138, F16K 1502

Patent

active

040762122

ABSTRACT:
An improved valve for high speed, high pressure pumps, having a dished, rectangular-sectioned, radially stretched seal overhanging the valve body to both cushion and seal the body's closure against the valve seat, and which is pre-stressed in tension sufficiently to stiffen against pinch off under the high fluid pressures of, and to attain full elastic shape recovery in the very brief time interval between the valve closings of, such pumps.

REFERENCES:
patent: 1111319 (1914-09-01), Paulsmeiel
patent: 1654772 (1928-01-01), Akeyson et al.
patent: 1716896 (1929-06-01), Miller
patent: 1844159 (1932-02-01), Hammer
patent: 2903235 (1959-09-01), Rodgers et al.
patent: 3092139 (1963-06-01), Rodgers et al.
patent: 3202178 (1965-08-01), Wolfe
patent: 3409039 (1968-11-01), Griffin
patent: 3742976 (1973-07-01), Bailey

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