Back to results
US 10,493,536 B2Granted
Rotary tool
AssigneeSumitomo Electric Hardmetal Corp.
InventorsGaku Harada, Yasuyuki Kanada, Kouji Shimanuki
Life of this patent
Estimating the term…
Abstract
There is provided a rotary tool including a rotary tool body and a blade provided to the rotary tool body and having a cutting edge, the blade containing 80% by volume or more of diamond, and the blade including a land surface extending along the cutting edge, and a chip breaker having a recess located opposite to the cutting edge with the land surface therebetween.
Claims8
A rotary tool comprising:
- a rotary tool body;
- and
- a blade provided to the rotary tool body and having a cutting edge,
- the blade containing 80% by volume or more of diamond, and
- the blade comprising a land surface extending along the cutting edge, and a chip breaker having a recess located opposite to the cutting edge with the land surface therebetween,
- wherein the land surface has a width in a range of 10 μm or more and 100 μm or less,
- wherein the recess has a maximum depth in a range of 60 μm or more and 300 μm or less.
4 more elements
A rotary tool comprising:
- a rotary tool body;
- and
- a blade provided to the rotary tool body and having a cutting edge,
- the blade containing 80% by volume or more of diamond, and
- the blade comprising a land surface extending along the cutting edge, and a chip breaker having a recess located opposite to the cutting edge with the land surface therebetween,
- wherein the rotary tool body has an external shape in the form of a column generally extending in its axial direction, and has a groove formed from a tip end portion of the rotary tool body to an intermediate portion thereof,
- wherein the blade is accommodated in a notch provided at the locations of the tip end and intermediate portions of the groove facing a peripheral surface of the rotary tool body,
- wherein the land surface has a width in a range of 10 μm or more and 100 μm or less,
- wherein the recess has a maximum depth in a range of 60 μm or more and 300 μm or less.
6 more elements
Dependencies are inferred from the claim text.