Coating of metal surfaces, its application to tubes and to cables
US5993924A · kind A · utility
7Cited by
7References
5Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Jul 28, 1997 |
| Grant date | Nov 30, 1999 |
| Priority date | — |
| Expiry date | Jul 28, 2017 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10T428/31605
- WIPO fieldSurface technology, coating
- WIPO sectorChemistry
Abstract
The invention relates to a coated metal surface including successively, starting at the metal, at least one layer of polyurethane and at least one layer of thermoplastic polymer, it being possible for a binder to be placed between the polyurethane and the thermoplastic polymer. It is useful for covering pipes, electrical cables, telecommunication cables and stay wires.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.