Metal wire or a metal strip having a lubricating surface layer, and a method for its preparation
US6277795A · kind A · utility
Assignee
Inventors
Key dates
| Filing date | May 3, 1999 |
| Grant date | Aug 21, 2001 |
| Priority date | — |
| Expiry date | May 3, 2019 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC10N2050/02
- WIPO fieldBasic materials chemistry
- WIPO sectorChemistry
Abstract
A metal wire or a metal strip having a lubricating surface layer is disclosed wherein the surface layer comprises a mixture of a fatty acid having 10-22 carbon atoms and an alkali metal soap of said fatty acid. Furthermore a method of preparing such a wire or strip is disclosed wherein the wire/strip is contacted with a mixture of fatty acid and alkali metal soap according to the above to the formation of the surface layer containing the mixture on the surface of the wire/strip, which surface layer is allowed or caused to dry. The invention also relates to the use of a mixture of fatty acid and an alkali metal soap according to the above for coating as a lubricating surface layer on metal wires or metal strips.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.