Title:
CUTTING INSERT AND PRODUCTION METHOD THEREFOR
Document Type and Number:
WIPO Patent Application WO/2014/081011
Kind Code:
A1
Abstract:
Provided is a cutting insert comprising an insert main body that has a plate-like shape and that is symmetrical when inverted in the front/back direction thereof. The insert main body is formed by sintering together a plurality of plate-shaped divided bodies (20) comprising a green compact while said divided bodies (20) are joined together in the direction of the insert central axis (C) of the insert main body. A plurality of position alignment sections (24) comprising a convex section (22) and a concave section (23) that are adjacent around the insert central axis (C) are formed on the joining surfaces (21) of the divided bodies (20), and the joining surfaces (21) of the divided bodies (20) are bonded together in a state in which the facing convex sections (22) and concave sections (23) of the position alignment sections (24) of the divided bodies (20) that are joined to each other are fitted together.
Inventors:
TAKAHASHI HIDEBUMI (JP)
Application Number:
PCT/JP2013/081506
Publication Date:
May 30, 2014
Filing Date:
November 22, 2013
Export Citation:
Assignee:
MITSUBISHI MATERIALS CORP (JP)
International Classes:
B23P15/28; B22F7/06; B23B27/14; B23C5/20
Foreign References:
| JPH02237701A | 1990-09-20 | |||
| JPH05285708A | 1993-11-02 | |||
| FR1522955A | 1968-04-26 |
Attorney, Agent or Firm:
SHIGA Masatake et al. (JP)
Masatake Shiga (JP)
Masatake Shiga (JP)
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