Invention Grant
- Patent Title: Cemented carbide tool and method of making the same
- Patent Title (中): 硬质合金刀具及其制造方法
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Application No.: US12289272Application Date: 2008-10-23
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Publication No.: US07708936B2Publication Date: 2010-05-04
- Inventor: Marianne Collin , Susanne Norgren , Håkan Engström
- Applicant: Marianne Collin , Susanne Norgren , Håkan Engström
- Applicant Address: SE Sandviken
- Assignee: Sandvik Intellectual Property Aktiebolag
- Current Assignee: Sandvik Intellectual Property Aktiebolag
- Current Assignee Address: SE Sandviken
- Agency: Drinker Biddle & Reath LLP
- Priority: SE0303360 20031215; SE0303487 20031222
- Main IPC: C22C1/05
- IPC: C22C1/05

Abstract:
A cemented carbide tool comprising hard constituents in a binder phase of Co and/or Ni and at least one surface portion and an interior portion in which surface portion the grain size is smaller than in the interior portion is disclosed. The surface portion with the fine grain size has a lower binder phase content than the interior portion. A method to form the cemented carbide cutting tool is also disclosed.
Public/Granted literature
- US20090110817A1 Cemented carbide tool and method of making the same Public/Granted day:2009-04-30
Information query