High pressure pipe coupling

Details High pressure pipe coupling High pressure pipe coupling

1991-03-15

1993-01-05

Arola, Dave W.

Pipe joints or couplings

With lubrication

285 90, 2853344, 285341, 285351, 285353, 285354, 285388, 285917, F16L 700

Patent

active

051764091

ABSTRACT:
A coupling device for metal tubular members subjected to pressure where abutting coupling members define a V shaped groove. A metal annular V shaped sealing member constructed from resilient metal is disposed in the V shaped groove and arranged so that the sealing member has sealing edge portions which can expand longitudinally and radially to maintain a seal if the coupling members tend to separate or contract in response to pressure.

REFERENCES:
patent: 2863679 (1958-12-01), Dunbar
patent: 3628812 (1971-12-01), Lorralde et al.
patent: 4221408 (1980-09-01), Lochte et al.
1979 API Specification for Wellhead Equipment, pp. 25, 40.
Grayloc Products Catalog, pp. 6, 23.
Weco Original Wing Unions, Catalog WU-8, pp. 4,5.
Dynetor Connectors Catalog, pp. 4,5.
Nicholson Seals Ltd., Catalog for S1909 Flange Groove Gasket.
Nicholson "Ellipseal", Self Energizing Seal.
Cameron Collet Connectors, p. 683 (enlargement page 683) p. 685, (enlargement page 685), enlargement of Figure 1.

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