Pipe joints and connectors therefor

Details Pipe joints and connectors therefor Pipe joints and connectors therefor

1977-03-24

1979-11-13

Arola, Dave W.

Pipe joints or couplings

With casing, lining or protector

Insulated

285104, 285108, 285284, 285328, 285422, F16L 2102

Patent

active

041741242

ABSTRACT:
The invention is directed to a connector for pipe joints in which inner and outer tubular connecting members are telescopically engaged. The connecting members are secured to one another by a jointing compound which is cast in the tubular passage between the members. A preformed element, normally in the form of an O-ring is fitted at the inner end of the tubular passage to provide means for locating the members relative to each other prior to delivery of the jointing compound. A similar preformed element may be located at the outer end of the tubular passage after delivery of the jointing compound to further stabilize the joint. The jointing compound and the preformed element or elements are each electrically insulating whereby one member is electrically isolated from the other in the connector. The remote ends of the connector would normally be fitted by some other means to spaced ends of pipes to be joined but such ends may themselves constitute the connecting members where a joint is required directly between such pipes. The invention has particular utility in the connection of gas pipelines.

REFERENCES:
patent: 2837351 (1958-06-01), Bailey
patent: 3208136 (1965-09-01), Joslin
patent: 3353563 (1967-11-01), Hutton
patent: 3521910 (1970-07-01), Callahan et al.
patent: 4039212 (1977-08-01), Skarud

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