Is a
Patent attributes
Patent Jurisdiction
Patent Number
Patent Inventor Names
Klaas Wijma1
Per Quarfordt1
Stefan Ederyd1
Date of Patent
April 26, 2011
1Patent Application Number
127411281
Date Filed
October 31, 2008
1Patent Citations Received
Patent Primary Examiner
Patent 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.
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