The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.

The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.

Date of Patent:
Aug. 21, 2001

Filed:

May. 03, 1999
Applicant:
Inventors:

Magnus Bergman, Västerås, SE;

Bo Jönsson, Västerås, SE;

Assignee:

Kanthal AB, Hallstahammar, SE;

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C10M / ; B21C 9/02 ;
U.S. Cl.
CPC ...
C10M / ; B21C 9/02 ;
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.


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