Abstract: A tool for treatment of rock, masonry or concrete by drilling, grinding or cutting off, the tool has a plurality of cutting segments each having a plurality of bonded cutting bodies formed as diamond crystals and subjected to an abrasive wear during an operation, a tool base body which carries the cutting segments, and at least one marking provided on at least one segment and forming a wear indicator, the at least one marking being arranged so that it changes during operation of the tool with wear of the cutting segments.
Type:
Grant
Filed:
March 4, 1999
Date of Patent:
June 26, 2001
Assignee:
Scintilla AG
Inventors:
Marzell Chanton, Walter Linder, Daniel Jeiziner, Raphael Chiesa
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