Login| Sign Up| Help| Contact|

Patent Searching and Data


Title:
SURFACE COATING CUTTING TOOL
Document Type and Number:
WIPO Patent Application WO/2008/041402
Kind Code:
A1
Abstract:
A surface coating cutting tool having a base material and, provided thereon, a coating, characterized in that the coating includes at least one hard layer and at least one oxygen-enriched hard layer, and that the hard layer in the entirety thereof consists of a crystalline substance or a crystalline substance containing a noncrystalline substance in its part, and that the oxygen-enriched hard layer is laminated on the hard layer and is noncrystalline in its interfacial region with the hard layer.

Inventors:
KOIKE SACHIKO (JP)
SETOYAMA MAKOTO (JP)
MORIGUCHI HIDEKI (JP)
Application Number:
PCT/JP2007/064135
Publication Date:
April 10, 2008
Filing Date:
July 18, 2007
Export Citation:
Click for automatic bibliography generation   Help
Assignee:
SUMITOMO ELECTRIC INDUSTRIES (JP)
SUMITOMO ELEC HARDMETAL CORP (JP)
KOIKE SACHIKO (JP)
SETOYAMA MAKOTO (JP)
MORIGUCHI HIDEKI (JP)
International Classes:
B23B27/14; B23B51/00; B23C5/16; C23C14/06
Foreign References:
JP2006192545A2006-07-27
JP2005344148A2005-12-15
JP2003025113A2003-01-29
JPH11264066A1999-09-28
JP2005262356A2005-09-29
JPH09248702A1997-09-22
JP2005138210A2005-06-02
Other References:
"The Society of Materials Science", 1981, YOKENDO CO., LTD.
See also references of EP 2077172A4
Attorney, Agent or Firm:
FUKAMI, Hisao et al. (Nakanoshima Central Tower 22nd Floor,2-7, Nakanoshima 2-chome,Kita-ku, Osaka-shi, Osaka 05, JP)
Download PDF: