Invention Grant
- Patent Title: Surface-coated cutting tool
- Patent Title (中): 表面切割工具
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Application No.: US12599756Application Date: 2008-05-23
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Publication No.: US07923130B2Publication Date: 2011-04-12
- Inventor: Akihiko Shibata , Haruyo Fukui , Shinya Imamura , Akira Kobayashi
- Applicant: Akihiko Shibata , Haruyo Fukui , Shinya Imamura , Akira Kobayashi
- Applicant Address: JP Hyogo
- Assignee: Sumitomo Electric Hardmetal Corp.
- Current Assignee: Sumitomo Electric Hardmetal Corp.
- Current Assignee Address: JP Hyogo
- Agency: McDermott Will & Emery LLP
- Priority: JP2007-143454 20070530
- International Application: PCT/JP2008/059517 WO 20080523
- International Announcement: WO2008/146727 WO 20081204
- Main IPC: B32B9/00
- IPC: B32B9/00 ; B23B27/14
Abstract:
A surface-coated cutting tool according to the present invention including a substrate and a coating film formed on the substrate is characterized in that the coating film includes a composite super multi-layer film obtained by alternately stacking one or more first super multi-layer film and one or more second super multi-layer film, the first super multi-layer film above is formed by alternately stacking one or more A1 layer and one or more B layer, the second super multi-layer film above is formed by alternately stacking one or more A2 layer and one or more C layer, each of the A1 layer above and the A2 layer above is composed of any of TiN, TiCN, TiAlN, and TiAlCN, the B layer above is composed of TiSiN or TiSiCN, and the C layer above is composed of AlCrN or AlCrCN.
Public/Granted literature
- US20100215951A1 SURFACE-COATED CUTTING TOOL Public/Granted day:2010-08-26
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