Corrosion preventive, coated metal pipe

Details Corrosion preventive, coated metal pipe Corrosion preventive, coated metal pipe

1977-11-15

1979-03-06

Footland, Lenard A.

Pipes and tubular conduits

Distinct layers

Bonded to each other

138145, 138153, 138DIG6, 138DIG7, F16L 914

Patent

active

041425553

ABSTRACT:
There are applied in layers on the surface of a metal pipe, a rapid hardening and cure type corrosion preventive material consisting essentially of isocyanate terminated polyurethane prepolymer, amine base hardener and petroleum resin, and a reinforcing material consisting of silica sand, blast furnace slag or the like. Thus there are provided a plurality of coatings or layers on the metal pipe, which are excellent in impact resisting and corrosion preventive properties.

REFERENCES:
patent: 3170489 (1965-02-01), Cunningham
patent: 3420277 (1969-01-01), Ceintrey
patent: 3527146 (1970-09-01), Garling
patent: 3532132 (1970-10-01), Rubenstein
patent: 3877490 (1975-04-01), Tsubonchi et al.

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