Mechanical protection coating for coated metal substrate

Details Mechanical protection coating for coated metal substrate Mechanical protection coating for coated metal substrate

1981-02-18

1983-07-26

Silverberg, Sam

Hydraulic and earth engineering

Subterranean or submarine pipe or cable laying, retrieving,...

Submerging, raising, or manipulating line of pipe or cable...

427403, 138103, 138110, 138146, 138DIG6, 405158, F16L 104

Patent

active

043951597

ABSTRACT:
A cementitious coating is applied to a thin smooth, corrosion-protective coating of a pipe to protect the corrosion-protective coating against physical damage and hostile environments. The cementitious coating adheres to the corrosion-protective coating, is typically between 0.5 and 5.0 millimeters in thickness, and contains a cementitious material such as portland cement, a polymeric material such as an acrylic polymer, and may also contain chopped fibres such as glass fibres and a filler material such as silica sand. The cementitious coating has sufficient conductivity to permit a cathodic protection current to flow therethrough. The cementitious coating may also be applied to the corrosion protective coating of the metal substrates. Polymer bonded coatings may alternatively be so applied, to protect the corrosion protective coating.

REFERENCES:
patent: 3354169 (1967-11-01), Shafer
patent: 3357851 (1967-12-01), Montgomery
patent: 3955606 (1976-05-01), Tamburello
patent: 4209555 (1980-06-01), Stewart
patent: 4213486 (1980-07-01), Samour

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