US 11,846,383 B2 · Anti-corrosive wrapping for metal pipes and metal pipe fittings

Abstract

The present disclosure provides an anti-corrosive wrapping for a metal pipe (10) (or a metal pipe fitting). The wrapping has an innerwrap (14) including glass fibres which carries a viscoelastic thermoplastic corrosion protection material (13). The wrapping has an outerwrap (16) including glass fibres which is impregnated with an adhesive. The innerwrap (14) is wrappable around the metal pipe (10) with the viscoelastic thermoplastic corrosion protection material (13) carried by the innerwrap (14) engaging and covering an external surface of the metal pipe (10). The outerwrap (16) is wrapped around the innerwrap (13) and the adhesive impregnated in the outerwrap (16) penetrates the innerwrap (13) and thereby adheres the outerwrap (16) to the innerwrap (13).

Claims23

Dependent claims

An anti-corrosive wrapping for a metal pipe and/or for a metal pipe fitting, comprising:

an innerwrap which includes:
a backing comprising glass fibres;
and a viscoelastic thermoplastic corrosion protection material carried by the backing;
and
an outerwrap comprising glass fibres and impregnated with a curable adhesive;
wherein:
the innerwrap is wrappable around the metal pipe or the metal pipe fitting and the viscoelastic thermoplastic corrosion protection material carried by the backing can engage and can cover an external surface of the metal pipe or the metal pipe fitting;
and
the outerwrap is wrappable around the innerwrap previously wrapped around the pipe and/or the pipe fitting and the adhesive impregnated in the outerwrap can engage and can penetrate the innerwrap to thereby adhere the outerwrap to the innerwrap.

6 more elements

Dependencies are inferred from the claim text.

Anti-corrosive wrapping for metal pipes and metal pipe fittings

Life of this patent

Anti-corrosive wrapping for metal pipes and metal pipe fittings

Life of this patent

Abstract

Claims23