Pipe joints or couplings – With assembly means or feature – Molded joint facilitator
Patent
1985-01-02
1988-11-15
Smith, Gary L.
Pipe joints or couplings
With assembly means or feature
Molded joint facilitator
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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Nicholson Eric K.
Smith Gary L.
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