Pipe joints or couplings – Pipe to discreet nipple or sleeve to plate – Ball and socket
Patent
1987-06-25
1988-11-22
Arola, Dave W.
Pipe joints or couplings
Pipe to discreet nipple or sleeve to plate
Ball and socket
285156, 285177, 285179, 138113, F16L 2100
Patent
active
047860880
ABSTRACT:
A double-containment thermoplastic pipe assembly is provided to prevent against potentially hazardous spills or leaks of chemicals and the like. The double-containment pipe assembly comprises a containment pipe and at least one carrier pipe disposed therein. The carrier pipe is retained in spaced relationship to the containment pipe by support clips with outwardly extending radially aligned legs. Restraint couplings may be disposed at selected locations along the double-containment pipe assembly. The restraint couplings include a carrier portion, a containment portion and a connecting portion extending therebetween. Double-containment pipe fittings also are provided to ensure complete double-containment protection throughout an entire double-containment pipe assembly.
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Arola Dave W.
Asahi/America Inc.
Casella Anthony J.
Hespos Gerald E.
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