Plastic ball valve ball seal means

Details Plastic ball valve ball seal means Plastic ball valve ball seal means

1992-05-06

1992-11-24

Fox, John C.

Valves and valve actuation

Rotary valves

Ball valve

251170, F16K 506

Patent

active

051656582

ABSTRACT:
A plastic ball valve having improved ball sealing means.

REFERENCES:
patent: 3083945 (1963-04-01), Shafer et al.
patent: 3401914 (1968-09-01), Shand
patent: 3780986 (1973-12-01), Fujiwara
patent: 3860032 (1975-01-01), Rogers
patent: 4047275 (1977-09-01), Bake et al.
patent: 4203460 (1980-05-01), Priese
patent: 4399976 (1983-08-01), Legris
patent: 4558874 (1985-12-01), Williams et al.

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