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.
Patent No.:
Date of Patent:
Jan. 24, 2006
Filed:
Feb. 14, 2003
Applicants:
YE Zhou, Höganäs, SE;
Per-olof Larsson, Helsingborg, SE;
Henrik Andersson, Helsingborg, SE;
Lars Hultman, Viken, SE;
Inventors:
Ye Zhou, Höganäs, SE;
Per-Olof Larsson, Helsingborg, SE;
Henrik Andersson, Helsingborg, SE;
Lars Hultman, Viken, SE;
Assignee:
Höganäs AB, Höganäs, SE;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H01F 1/03 (2006.01);
U.S. Cl.
CPC ...
Abstract
The present invention concerns a method of improving the properties of powder metallurgically produced SMC compacted body consisting of a soft magnetic material of insulated powder particles and a lubricant, to a stress relieving heat treatment in a furnace until the component has reached a temperature of at least 400° C. in an oxygen containing atmosphere having a CO content is less than 0.25% by volume.