Line pipe of synthetic material especially for waste water

Details Line pipe of synthetic material especially for waste water Line pipe of synthetic material especially for waste water

1983-12-07

1986-05-27

Husar, Cornelius J.

Pipe joints or couplings

Pipe to discreet nipple or sleeve to plate

Ball and socket

285294, 285345, 285369, 285903, F16L 904

Patent

active

045911932

ABSTRACT:
A line pipe of synthetic material for nominal sizes about 200 mm, especially a waste water pipe, comprising a separate smooth inner pipe and a transversely corrugated outer pipe, the pipes being telescoped into one another in such a manner that the wave troughs of the outer pipe come to lie essentially against the outer surface of the inner pipe, and connection means at the ends for the connection of several line pipes to form a pipeline via a socket joint, whereby the inner pipe has smooth cylindrical end portions projecting above the ends of the outer pipe, with a cylindrical sleeve of a predetermined outer diameter being pushed onto said end portions and fastened thereat by welding and/or adhesion.

REFERENCES:
patent: 217927 (1879-07-01), Culver et al.
patent: 3313319 (1967-04-01), Osborn et al.
patent: 3847694 (1974-11-01), Stewing
patent: 4453354 (1984-06-01), Harbeke

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