Valve with resilient tubes having constricted portions

Details Valve with resilient tubes having constricted portions Valve with resilient tubes having constricted portions

F - Mech Eng,Light,Heat,Weapons

16

K

137/121

F16K 43/00 (2006.01)

Patent

CA 1266219

Abstract of the Disclosure The valve has flexible resilient tubes which re- spectively communicate with the fluid supply conduits and which are pinched by control members to control flu- id flow. Each tube has a reduced-diameter center or ? neck portion intermediate its ends which is engaged by the control member. The internal cross section of the neck portion is circular when relaxed and when pinched closed does not require any greater cross-sectional space than do the tube ends. Single control and dual- control embodiments are disclosed. In the dual-control embodiment the two tubes are carried in a single car- tridge assembly which is removable as a unit.

515966

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