Valves and valve actuation – With correlated flow path – Valve operated by joining flow path sections
Patent
1990-08-23
1992-04-21
Chambers, A. Michael
Valves and valve actuation
With correlated flow path
Valve operated by joining flow path sections
604167, 604256, 604905, F16L 3728
Patent
active
051060540
ABSTRACT:
A self-sealing valve to accommodate the passage of elongate elements. The valve comprises an elastomeric body having a passage extending therethrough which is held in compression by an elastomeric sleeve disposed around the body. The passage includes an enlarged chamber intermediate its ends and at least a portion of the passage takes the form of a puncture. In use, the passage functions to seal around an elongate element extended therethrough and the chamber reduces friction on the element and provides a void into which the material of the elastomeric body may be displaced without disturbing the seal. A method of forming the valve with a bulbous-ended mandrel is also disclosed.
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Howell Thomas A.
Mollenauer Kenneth H.
Chambers A. Michael
Fogarty Thomas J.
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