Tape coating

Details Tape coating Tape coating

1992-07-30

1994-04-05

Davis, Jenna L.

Stock material or miscellaneous articles

Structurally defined web or sheet

Physical dimension specified

428346, 428349, 428351, 428353, 428354, 156188, 156190, C09J 702

Patent

active

053003560

ABSTRACT:
A tape wrap system adapted for protecting metal tubular articles, particularly pipes, from corrosion comprising in order, a primer coating covering the surface of the article, an innerwrap over the primer coating and an outerwrap placed over the innerwrap, the innerwrap comprising a polyolefin layer carrying an adhesive layer on its inner surface and a layer comprising a heat fusible material on its outer surface, or a single layer comprising a blend of a polyolefin and a heat fusible moiety carrying an adhesive layer on its inner surface, the outerwrap comprising an impact-resistant polyolefin layer having a heat fusible layer on both surfaces or the inner surface thereof, or a single layer comprising a blend of an impact resistant polyolefin and a heat fusible material; the tape wrap system fusing the innerwrap and outerwrap together when heated and thereafter cooled to form a uniform, continuous and completely closed protective coating which fully protects the article against corrosion and other external degradative forces.

REFERENCES:
patent: 3294609 (1966-12-01), Foll
patent: 3524779 (1970-08-01), Masters
patent: 3525656 (1970-08-01), Kennedy
patent: 3616006 (1971-10-01), Landgraf
patent: 3700520 (1972-10-01), Hielema
patent: 4211595 (1980-07-01), Samour

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