Interlocking union system for double containment pipe

Details Interlocking union system for double containment pipe Interlocking union system for double containment pipe

1993-10-22

1994-11-29

Reese, Randolph A.

Pipe joints or couplings

For branched path

T-type

285419, 285915, F16L 4702

Patent

active

053683382

ABSTRACT:
A containment interlocking union for use with a containment pipe which encloses a carrier pipe. The containment interlocking union is placed in position around a coupling in the carrier pipe. The interlocking union includes a first joint member and a second joint member positioned circumferentially adjacent to each other and coupled to the containment pipe. The first joint member comprises a first coupling portion of a major radius sealably engaging an outer circumferential surface of an end of the double containment pipe, a pair of second coupling portions of a minor radius adjacent the first coupling portion providing a pair of flanges abutting the ends of the carrier pipe coupling providing longitudinal support of the carrier pipe coupling, and a third coupling portion of an intermediate radius adjacent the second coupling portion.

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