Polybutylene plumbing fittings and method and apparatus for asse

Pipe joints or couplings – With assembly means or feature – Molded joint facilitator

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Details

156 735, 264 68, 285423, 285286, F16L 1314, F16L 4702

Patent

active

047844094

ABSTRACT:
A plumbing construction is provided including a pipe, a fitting, and a bushing, each formed from polybutylene and providing a fluid-tight connection between the pipe and the fitting. The bushing is mounted about the pipe and an end of the pipe and the bushing is inserted into the fitting. The bushing is rotated with respect to the fitting to produce friction welds between the bushing and both the pipe and the bushing.

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