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US 11,473,716 B2Granted
Coated pipe and pipe combination
AssigneeTdc International AG
InventorDaniel Welker
Life of this patent
Estimating the term…
Abstract
The invention relates to a pipe having a thermoplastic casing surface a glass-fibre-reinforced thermo-setting coating surrounding the thermoplastic casing surface. The thermo-setting coating is formed from multiple layers of glass-fibre matting or glass-fibre fabric, or a combination of the two, wherein the layers are applied to the thermoplastic casing surface a wet-on-wet method using a vinylester, polyester or epoxy resin. According to the invention, an outer layer of the thermo-setting coating is formed from cross-wound glass-fibre fleece or glass-fibre fabric.
Claims19
A metal pipe, comprising:
- a thermoplastic casing surface and a fibre-reinforced thermo-setting coating surrounding the thermoplastic casing surface, wherein the fibre-reinforced thermo-setting coating is formed from multiple layers of textile glass fibres which are applied to the thermoplastic casing surface in a wet-on-wet method using a vinyl ester, polyester, or epoxy resin, wherein the individual layers of the fibre-reinforced thermo-setting coating are formed by cross-wound textile glass fibres.
Dependencies are inferred from the claim text.