Title:
CUTTING TOOL AND MANUFACTURING METHOD THEREFOR
Document Type and Number:
WIPO Patent Application WO/2020/075356
Kind Code:
A1
Abstract:
A cutting tool including a substrate, and a coating that is formed upon the substrate, wherein: the coating includes a first layer that is formed upon the substrate and a second layer that is formed upon the first layer; the first layer contains a boride that includes zirconium as a constituent element; and the second layer contains a nitride that includes zirconium as a constituent element.
Inventors:
FUKUI HARUYO (JP)
SETOYAMA MAKOTO (JP)
TANAKA KEIZO (JP)
SETOYAMA MAKOTO (JP)
TANAKA KEIZO (JP)
Application Number:
PCT/JP2019/027269
Publication Date:
April 16, 2020
Filing Date:
July 10, 2019
Export Citation:
Assignee:
SUMITOMO ELECTRIC HARDMETAL CORP (JP)
International Classes:
B23C5/16; B23B27/14; C23C14/06
Domestic Patent References:
| WO2006070730A1 | 2006-07-06 |
Foreign References:
| JPH10176289A | 1998-06-30 | |||
| JP2004042193A | 2004-02-12 | |||
| JPH05222551A | 1993-08-31 | |||
| JP2006001006A | 2006-01-05 | |||
| US6492011B1 | 2002-12-10 | |||
| JP2014014895A | 2014-01-30 | |||
| JP2018191737A | 2018-12-06 | |||
| JP2003034859A | 2003-02-07 |
Other References:
YOKENDO: "X-ray stress measuring method", 1981, SOCIETY OF MATERIALS SCIENCE, pages: 54 - 66
See also references of EP 3865233A4
See also references of EP 3865233A4
Attorney, Agent or Firm:
FUKAMI PATENT OFFICE, P.C. (JP)
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