Restraint coupling assembly for double containment pipe system
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United States of America Patent
Stats
-
Apr 4, 1995
Grant Date -
N/A
app pub date -
Aug 1, 1991
filing date -
Aug 1, 1991
priority date (Note) -
In Force
status (Latency Note)
Importance
Abstract
A restraint coupling assembly is provided for a double containment pipe system having an inner carrier pipe formed from a first thermoplastic material and an outer containment pipe formed from a second thermoplastic material. The restraint coupling assembly includes a carrier component formed from the first thermoplastic material and having a carrier cylinder conforming to the diameter of the carrier pipe, and having a carrier flange extending rigidly outwardly from the carrier cylinder. The restraint coupling assembly further includes a pair of containment components formed from the second thermoplastic material. Each containment component includes a containment cylinder conforming to the diameter of the containment pipe. Each containment component further includes an inwardly extending containment flange having an aperture therein with the diameter of the aperture greater than the outer diameter of the carrier pipe. The containment component may be assembled around the carrier component such that the containment flanges restrain the carrier flange.
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