Cutting segment for cutting tool and cutting tools

Details Cutting segment for cutting tool and cutting tools Cutting segment for cutting tool and cutting tools

2011-06-07

2011-06-07

Rachuba, Maurina (Department: 3727)

Stone working

Sawing

Saw teeth

Reexamination Certificate

active

07954483

ABSTRACT:
The invention provides a cutting segment for a cutting tool for cutting or drilling a brittle work piece such as stone, bricks, concrete and asphalt, and a cutting tool having the cutting segment. The cutting segment includes a cutting surface for cutting a work piece and a plurality of abrasive particle layers. The abrasive particle layers are disposed perpendicular to a cutting direction. Each of the abrasive layers has a plurality of abrasive particle rows in a width direction of the cutting segment. Each of the abrasive rows has a plurality of abrasive particles arranged in a line. Further, the abrasive layers have a plurality of blank sections therebetween. In the blanks sections, abrasive particles are absent or have a concentration of 70% or less with respect to those in the abrasive rows. In addition, the blank sections include relatively thick blank sections and relatively thin blank sections.

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