Title:
BORING TOOL, AND METHOD FOR MANUFACTURING CUT ARTICLE
Document Type and Number:
WIPO Patent Application WO/2023/176622
Kind Code:
A1
Abstract:
This boring tool includes: a shaft member; and a first cutter, a third cutter, and a second cutter that are fixed to the shaft member. The interval between the first cutter and the third cutter is greater than the interval between the second cutter and the third cutter. The second cutter includes: a second distal end surface; a second blade located on the outer circumferential side; and a second pocket. The third cutter includes: a third distal end surface; a third blade located on the outer circumferential side; and a third pocket. The second pocket is connected to the second distal end surface at a right angle, and the third pocket is connected to the third distal end surface at an obtuse angle.
Inventors:
GOTO SHOSEI (JP)
TSUCHIGAMI KYOSUKE (JP)
TSUCHIGAMI KYOSUKE (JP)
Application Number:
PCT/JP2023/008800
Publication Date:
September 21, 2023
Filing Date:
March 08, 2023
Export Citation:
Assignee:
KYOCERA CORP (JP)
International Classes:
B23B29/03
Foreign References:
| CN209935971U | 2020-01-14 | |||
| CN210412745U | 2020-04-28 | |||
| JP2011062790A | 2011-03-31 | |||
| JP2020203353A | 2020-12-24 |
Attorney, Agent or Firm:
HARAKENZO WORLD PATENT & TRADEMARK (JP)
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