Check valve assembly

Details Check valve assembly Check valve assembly

1975-02-25

1976-06-29

Cline, William R.

Fluid handling

Line condition change responsive valves

Direct response valves

1375124, 13751615, F16K 1514

Patent

active

039659305

ABSTRACT:
A member of a non-return valve having an axial blind bore defining an inlet, a cylindrical sealing surface recessed between axially spaced radial shoulders, and one or more radial passageways in the region of the sealing surface communicating with the bore and sealed against return fluid flow by an elastomeric sleeve carried by the sealing surface, is constructed in two parts of synthetic plastics material which snap fit together, with the shoulders being formed one on each part.

REFERENCES:
patent: 2715980 (1955-08-01), Frick
patent: 2855206 (1958-10-01), Haviland
patent: 2890838 (1959-06-01), Jannsen
patent: 3410299 (1968-11-01), Whittington
patent: 3601151 (1971-08-01), Winnard
patent: 3853338 (1974-12-01), Wilson

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