Insulating joint for metal pipelines

Details Insulating joint for metal pipelines Insulating joint for metal pipelines

1989-02-10

1990-03-06

Callaghan, Thomas F.

Pipe joints or couplings

With casing, lining or protector

Insulated

285263, 174 85, F16L 5914

Patent

active

049060279

ABSTRACT:
An insulating joint for pipelines comprises two metal tubular parts each having a dilated end portion, the dilated portion of one of the tubular parts being located within the dilated portion of the other tubular part and the dilated portions extending substantially parallel to each other so as to form a gap therebetween, two sleeves composed of an insulating material and forcefully introduced into the gap one after the other in a longitudinal direction so as to form a space therebetween, and a gasket located in the space and forcefully compressed between the two sleeves.

REFERENCES:
patent: 68112 (1867-08-01), Rhodes
patent: 488946 (1892-12-01), O'Neill
patent: 554394 (1896-02-01), McCarthy
patent: 897700 (1908-09-01), Ashbaugh
patent: 922313 (1909-05-01), McCarthy
patent: 997087 (1911-07-01), Peeples
patent: 2067768 (1937-01-01), Krefft
patent: 2332893 (1943-10-01), Clickner
patent: 3038743 (1962-06-01), Zaloumis
patent: 3441293 (1969-04-01), Bagnulo
patent: 3612578 (1971-10-01), Bagnulo
patent: 4174124 (1979-11-01), Dockree

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