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:
Jul. 20, 2010
Filed:
Apr. 20, 2005
Applicants:
Hilmar Vidarsson, Munka-Ljungby, SE;
Paul Skoglund, Lerberget, SE;
Sven Allroth, Höganäs, SE;
Ermin Imamovic, Höganäs, SE;
Inventors:
Hilmar Vidarsson, Munka-Ljungby, SE;
Paul Skoglund, Lerberget, SE;
Sven Allroth, Höganäs, SE;
Ermin Imamovic, Höganäs, SE;
Assignee:
Höganäs AB, Höganäs, SE;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
B22F 3/02 (2006.01); B22F 3/12 (2006.01);
U.S. Cl.
CPC ...
Abstract
The invention concerns a method for producing products and coarse iron-based powder comprising a lubricant having a crystalline melting point below 25° C., a viscosity (η) at 40° C. above 15 mPas and wherein said viscosity is temperature dependent according to the following formula: 10 log η=k/T+C wherein the slope k is preferably above 800, T is temperature in Kelvin and C is a constant, in an amount between 0.05 and 0.4%.