Saddle type plastic pipe joint

Details Saddle type plastic pipe joint Saddle type plastic pipe joint

1993-04-05

1995-02-14

Arola, Dave W.

Pipe joints or couplings

End to side or plate

Saddle-type clamp

285381, 285915, 156296, F16L 4108

Patent

active

053888693

ABSTRACT:
A saddle type pipe joint for construction of branching connections, composed of a saddle-shaped main pipe-connecting part and a cylindrical branching pipe-connecting part. The two parts are integrally molded by a reaction molding, composed of a shape-memorized plastic resin, and have on the inner surfaces a fusion-bonding plastic resin layer containing a conductive filler. The pipe joint is made by polymerising a reactive liquid stock for a shape-memorizable plastic resin in a mold using a core made of a fusible plastic resin containing a conductive filler; cutting the main pipe part of the molded composite article along its length at the side opposite to the branching pipe-connecting site; and opening side edges of the thus-cut main pipe. The construction of branching connections is carried out by utilizing the restoration of the shape-memorized plastic resin to the original shape.

REFERENCES:
patent: 3982564 (1976-09-01), Clabburn et al.
patent: 4624487 (1986-11-01), Thalmann
patent: 4655480 (1987-04-01), Thalmann
patent: 4732412 (1988-03-01), Linden et al.

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