Reissue Patent
- Patent Title: Coated cutting insert
- Patent Title (中): 涂层切削刀片
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Application No.: US11449887Application Date: 2006-06-09
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Publication No.: USRE40005E1Publication Date: 2008-01-15
- Inventor: Asa Kutscher , Kenneth Westergren , Björn Ljungberg , Anders Lenander
- Applicant: Asa Kutscher , Kenneth Westergren , Björn Ljungberg , Anders Lenander
- Applicant Address: SE Sandviken
- Assignee: Sandvik Intellectual Property AB
- Current Assignee: Sandvik Intellectual Property AB
- Current Assignee Address: SE Sandviken
- Agency: Drinker Biddle & Reath LLP
- Priority: SE9603264 19960906
- Main IPC: C23C16/30
- IPC: C23C16/30
Abstract:
There is disclosed a coated cutting insert particularly useful for cutting in cast iron materials. The insert is characterized by a straight WC-Co cemented carbide body having a highly W-alloyed Co binder phase, a well-defined surface content of Co and a coating including an innermost layer of TiCxNyOz with columnar grains, a layer of a fine-grained, textured Al2O3 layer and a top layer of TiCxNyOz that has been removed along the cutting edge line.
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