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:
Nov. 26, 2002
Filed:
Dec. 16, 1999
Applicant:
Inventors:
Björn Johansson, Höganäs, SE;
Ulf Engström, Höganäs, SE;
Assignee:
Other;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B22F 3/12 ;
U.S. Cl.
CPC ...
B22F 3/12 ;
Abstract
This invention relates to a metal powder composition for warm compaction. According to the invention, the invention comprises metal powder, graphite, optional binding agent, optional alloying elements and a lubricant essentially consisting of ethylene-bis-stearamide, whereby the mixture before warm compaction has been subjected to treatment with an organic solvent. The invention further relates to a method for making sintered products, whereby an organic solvent is added during the mixing of the metal powder composition and is evaporated before warm compaction.