Flexible tubular members and valves incorporating such members

Details Flexible tubular members and valves incorporating such members Flexible tubular members and valves incorporating such members

1975-01-30

1977-08-30

Schwadron, Martin P.

Valves and valve actuation

Tube compressors

Perpendicularly reciprocating tube contacting element

138126, F16K 706

Patent

active

040449904

ABSTRACT:
A flexible tubular member for use in a pinch valve and through which fluid medium will flow in operation of the valve said member having in its bore diametrically spaced shoulders over which the immediately adjacent portions of the tube wrap as the tube is pinched closed by a valve plunger of suitable shape. The outside of the tube is surrounded by a fabric sleeve which lends circumferential strength to the assembly of tube and sleeve when the tube contains fluent medium under high pressure. The sleeve is such however to enable the assembly to be radially pinched at will to stop or control flow of the fluent medium through the tube.

REFERENCES:
patent: 2212733 (1940-08-01), Grigsby
patent: 2483954 (1949-10-01), Weiss
patent: 2615668 (1952-10-01), Ernest
patent: 2825524 (1958-03-01), Fox
patent: 2939488 (1960-06-01), Bacon
patent: 3350053 (1967-10-01), Schmitz

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