Joint for plastic lined light-weight metal piping

Details Joint for plastic lined light-weight metal piping Joint for plastic lined light-weight metal piping

1983-05-23

1985-01-22

Scanlan, Jr., Richard J.

Pipe joints or couplings

With casing, lining or protector

Lined

285367, F16L 914, F16L 2300

Patent

active

044947763

ABSTRACT:
A seal load ring having a radial face and a tapered face is installed between the flared gasket portion of the piping plastic liner and the frusto-conically flared flange end of a section of light-weight metal piping. The radial face of the ring is provided with a plurality of concentric circular grooves to resist plastic cold flow, and the connection is effected by a split V-clamp.

REFERENCES:
patent: 3335758 (1967-08-01), Bertolet, Jr.
patent: 4281859 (1981-08-01), Davies
patent: 4288105 (1981-09-01), Press
patent: 4313625 (1982-02-01), West

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