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Title:
SURFACE-COATED CUTTING TOOL
Document Type and Number:
WIPO Patent Application WO/2019/181742
Kind Code:
A1
Abstract:
A surface-coated cutting tool comprising a base material and a coating film coating the base material. The coating film includes a WC1–x layer comprising a compound indicated by WC1–x (x being 0.54–0.58). ). The compound indicated by WC1–x includes a hexagonal crystal structure.

Inventors:
KOIKE SACHIKO (JP)
UEDA YUKI (JP)
TSUDA KEIICHI (JP)
Application Number:
PCT/JP2019/010614
Publication Date:
September 26, 2019
Filing Date:
March 14, 2019
Export Citation:
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Assignee:
SUMITOMO ELECTRIC INDUSTRIES (JP)
International Classes:
B23B27/14; B23B51/00; B23C5/16; C23C14/06
Domestic Patent References:
WO2014003172A12014-01-03
WO2012056758A12012-05-03
Foreign References:
JPS6257802A1987-03-13
JPH06262405A1994-09-20
JP2001150206A2001-06-05
JP2003527293A2003-09-16
US6800383B12004-10-05
JPS5939243B21984-09-21
JPH0679503A1994-03-22
JP2018051013A2018-04-05
JPH06262405A1994-09-20
Other References:
See also references of EP 3769882A4
Attorney, Agent or Firm:
FUKAMI PATENT OFFICE, P.C. (JP)
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