Interlocked restraint for a plastic pipe joining system

Details Interlocked restraint for a plastic pipe joining system Interlocked restraint for a plastic pipe joining system

1996-01-05

1997-09-02

Nicholson, Eric K.

Pipe joints or couplings

With fluid pressure seal

Flexible lip

285921, 285423, 285260, 285307, F16L 5500, F16L 4700

Patent

active

056623607

ABSTRACT:
An interlocking restraint plastic pipe joining system is shown which features female and male end connections for adjacent lengths of pipe. The female end connection has at least one radially extending indention or protrusion within the mouth opening thereof. The male end connection has at least one radially extending protrusion or indention formed on an exterior surface thereof. The indention and protrusion matingly engage in snap fit fashion as the joint is formed by forcing the male connection axially into the female connection.

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patent: 5213339 (1993-05-01), Walworth
patent: 5267757 (1993-12-01), Dal Palu
patent: 5380049 (1995-01-01), Smowton

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