Importance

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Abstract

A double-containment pipe assembly is provided with an inner carrier pipe, an outer containment pipe and supports for maintaining concentrically therebetween. The supports may define resilient support clips of unitary construction. Each resilient support clip includes a mounting portion defining a section of a cylinder from which a plurality of support legs extend. One end of each support leg may be tapered to facilitate insertion into the containment pipe. One end of the support clip may also include a reinforcement flange extending partly thereabout to prevent overstress related damage to the support clip. The support clips may alternatively define unitarily molded planar structures having a circular inner support surface and a plurality of spaced apart outer support surfaces defining arcs of a circle concentric with the inner support surface. The outer support surfaces preferably are separated by inwardly formed passages to permit the passage of a sensor wire in the annular space between the carrier and containment pipes.

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First Claim