Pressure compensated slide joint

Details Pressure compensated slide joint Pressure compensated slide joint

1976-05-28

1978-01-31

Callaghan, Thomas F.

Pipe joints or couplings

With fluid pressure seal

285106, 285165, 285263, 2853344, 285DIG1, 285DIG18, F16L 1700, F16L 2704

Patent

active

040712680

ABSTRACT:
A pressure compensated slide joint for sealing first and second tubes having high pressure fluid flowing therethrough comprising a metallic, resilient sealing element extending from the first tube into an interference fit with the interior surface of the second tube, and an annular chamber, variable lengthwise in the axial direction, formed from two parts, each coupled to one of the tubes and in a slidable, sealing relationship with the other, and which has a vent communicating with the interior of the second tube. The sealing element is formed of a frustoconical portion and a ring portion having a curved outer surface contacting the interior surface of the second tube.

REFERENCES:
patent: 2405152 (1946-08-01), Kilchenmann
patent: 2712456 (1955-07-01), McCreery
patent: 2774618 (1956-12-01), Alderson
patent: 2781205 (1957-02-01), Lane et al.
patent: 3508769 (1970-04-01), Wucherpfennig

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