Epoxy-concrete coated pipe

Details Epoxy-concrete coated pipe Epoxy-concrete coated pipe

1980-10-03

1982-11-30

Bryant, III, James E.

Seal for a joint or juncture

Seal between relatively movable parts

Relatively rotatable radially extending sealing face member

138109, 138143, 138144, 138175, 138155, 138DIG6, 285 31, F16L 1108

Patent

active

043613365

ABSTRACT:
A cast-iron or steel pipe is coated with a two-component epoxy resin and then, prior to curing of the resin, is coated with a relatively thick layer of hydraulic concrete. A layer of a water-impervious bitumen is then applied over the concrete. The concrete layer does not extend over the spigot in a bell-and-spigot pipe, and a special fitting is provided for such a piece of pipe when the spigot end must be cut off.

REFERENCES:
patent: 474779 (1892-05-01), Phipps
patent: 3955600 (1976-05-01), Tamburello
patent: 4114657 (1978-09-01), Langenfeld

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