Title:
TOOL, DIAMETER ADJUSTMENT METHOD, AND DRILL
Document Type and Number:
Japanese Patent JP2022076183
Kind Code:
A
Abstract:
To provide a tool which can maintain sharpness, and to provide a diameter adjustment method and a drill.SOLUTION: A drill 1 includes first to third radius parts 11 to 13 extending in a radial direction R with a rotation axis Ax set to the center and extending in directions different from each other when viewed from a direction along the rotation axis Ax. The first to third radius parts 11 to 13 include: abrasive grains for processing a workpiece; and holding materials which hold the abrasive grains.SELECTED DRAWING: Figure 2
Inventors:
TAKADA ATSUSHI
OHASHI KYOSUKE
TAKADA DAICHI
TAKADA YAMATO
OHASHI KYOSUKE
TAKADA DAICHI
TAKADA YAMATO
Application Number:
JP2020186481A
Publication Date:
May 19, 2022
Filing Date:
November 09, 2020
Export Citation:
Assignee:
NANOTEMU KK
International Classes:
B24D7/18; B23B51/00; B23C5/16; B24D3/00
Domestic Patent References:
| JPH0639311U | 1994-05-24 | |||
| JP2012192467A | 2012-10-11 | |||
| JP2019147217A | 2019-09-05 | |||
| JP2013123776A | 2013-06-24 | |||
| JP2014108479A | 2014-06-12 | |||
| JPH05285852A | 1993-11-02 |
Foreign References:
| WO2020189368A1 | 2020-09-24 |
Attorney, Agent or Firm:
Kimura Mitsuru
Yuta Kobayashi
Kenro Shirai
Yasushi Morikawa
Yuta Kobayashi
Kenro Shirai
Yasushi Morikawa
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