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:
Apr. 26, 2011
Filed:
Oct. 31, 2008
Applicants:
Per Quarfordt, Storfors, SE;
Klaas Wijma, Haarlem, NL;
Stefan Ederyd, Saltajö-Boo, SE;
Inventors:
Assignees:
Combi Wear Parts AB, Kristinehamn, SE;
Vosta LMG B.V., Amsterdam, NL;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
E02F 9/28 (2006.01); E02F 3/00 (2006.01);
U.S. Cl.
CPC ...
Abstract
Self-sharpening wearing part having improved abrasion resistance and strength, which wearing part comprises at least a first and a second material part. The first material part is constituted by a casting body and the second material part is comprised of at least one elongated hard metal rod which is fixed in the first material part. The wearing part produces an auto-signal when the part must be changed due to wear.