Rotary cocks carrying spherical seals

Details Rotary cocks carrying spherical seals Rotary cocks carrying spherical seals

1979-03-19

1981-03-24

Cline, William R.

Valves and valve actuation

Rotary valves

Ball valve

F16K 506

Patent

active

042575761

ABSTRACT:
Cocks comprising a spherical shut-off member seated on a gasket and formed of a body connected to elements of a canalization of fluid and wherein there is rotatably mounted a shut-off member having a surface in the form of a spherical zone which is capable of coming into contact with a gasket of generally annular shape secured in said body, wherein the shut-off member is extended at the side corresponding to the largest diameter of the surface of the spherical zone form by two lugs which extends parallel to the axis of the shut-off member passing through its center, one of said lugs being connected by a connection means having play to a manipulation member rotatably mounted in the body and the other lug having the shape of a fork the central recess of which is engaged on a stub integral with the body. The invention is also concerned with a method of mounting such cocks.

REFERENCES:
patent: 1784381 (1930-12-01), O'Stroske
patent: 3112758 (1963-12-01), Norton
patent: 3191906 (1965-06-01), Zeigler et al.
patent: 3496958 (1970-02-01), Magnusson et al.
patent: 3528448 (1970-09-01), Urban
patent: 4073471 (1978-02-01), Lehtinen
patent: 4150811 (1979-04-01), Condit
patent: 4172584 (1979-10-01), Legris
patent: 4175580 (1979-11-01), Kalbfleisch

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