Title:
TOOL BODY AND CUTTING TOOL
Document Type and Number:
WIPO Patent Application WO/2015/020115
Kind Code:
A1
Abstract:
The present invention relates to a tool body of a cutting tool, the cutting tool having a mounting seat for mounting a cutting insert. The mounting seat is provided with: a bottom wall surface; a first side wall surface that extends so as to rise from the bottom wall surface; a first surface section that extends between the bottom wall surface and the first side wall surface; and a second surface section that is positioned on an inside end side of the first side wall surface and that extends so as to intersect the first side wall surface. The first surface section has a first curved surface that curves in a direction that is sunken from at least one of the bottom wall surface and the first side wall surface, at least one part of the first curved surface having a first radius of curvature. The second surface section has a second curved surface, at least one part of the second curved surface having a second radius of curvature that is smaller than the first radius of curvature at a cross section that is approximately parallel to the bottom wall surface.
Inventors:
ASO TAKAHIRO (JP)
Application Number:
PCT/JP2014/070789
Publication Date:
February 12, 2015
Filing Date:
August 06, 2014
Export Citation:
Assignee:
TUNGALOY CORP (JP)
International Classes:
B23C5/22; B23B27/16; B23C5/10
Domestic Patent References:
| WO2010080385A2 | 2010-07-15 |
Foreign References:
| JP2004174684A | 2004-06-24 |
Attorney, Agent or Firm:
TANI & ABE, p. c. (JP)
Patent business corporation A valley and Abe patent firm (JP)
Patent business corporation A valley and Abe patent firm (JP)
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