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Title:
CUTTING TOOL, AND METHOD FOR MANUFACTURING CUT WORKPIECE
Document Type and Number:
WIPO Patent Application WO/2023/176623
Kind Code:
A1
Abstract:
This cutting tool comprises: a column-shaped shaft portion; a first protruding portion which protrudes from the shaft portion toward an outer circumference and includes a first cutting edge on an edge portion of the outer circumference; a second protruding portion which protrudes from the shaft portion toward the outer circumference and includes a second cutting edge on an edge portion of the outer circumference; and a first beam which is positioned spaced apart from the shaft portion, and which is connected to the first protruding portion and the second protruding portion. The second protruding portion is positioned rearward of the first protruding portion in a direction of rotation of a rotating shaft, and the first beam has a convex shape that protrudes toward the outer circumference when seen from a tip end side.

Inventors:
GOTO SHOSEI (JP)
Application Number:
PCT/JP2023/008802
Publication Date:
September 21, 2023
Filing Date:
March 08, 2023
Export Citation:
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Assignee:
KYOCERA CORP (JP)
International Classes:
B23C5/02; B23B29/03
Foreign References:
JP2011528286A2011-11-17
JP2011528284A2011-11-17
JP2000502291A2000-02-29
US20140161543A12014-06-12
JP2019511385A2019-04-25
US20190314904A12019-10-17
Attorney, Agent or Firm:
HARAKENZO WORLD PATENT & TRADEMARK (JP)
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