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:
Aug. 14, 2007
Filed:
Dec. 16, 2004
Mats Larsson, Ängelholm, SE;
Åsa Ahlin, Höganäs, SE;
Maria Ramstedt, Helsingborg, SE;
Hilmar Vidarsson, Höganäs, SE;
Mats Larsson, Ängelholm, SE;
Åsa Ahlin, Höganäs, SE;
Maria Ramstedt, Helsingborg, SE;
Hilmar Vidarsson, Höganäs, SE;
Höganäs AB, Höganäs, SE;
Abstract
The invention concerns an improved segregation-resistant and dust-resistant metallurgical composition for making compacted parts, comprising at least about 80 percent by weight of an iron or iron-based powder; at least one alloying powder; and (c) about 0.05 to about 2 percent by weight of a binding/lubricating combination of polyethylene wax and ethylene bis-stearamide, the polyethylene wax having a weight average molecular weight below about 1000 and a melting point below that of ethylene bis-stearamide, and being present in amount between 10 and 90% by weight of the binding/lubricating combination.