Invention Grant
US07678327B2 Cemented carbide tools for mining and construction applications and method of making same
有权
用于采矿和建筑应用的硬质合金刀具及其制造方法
- Patent Title: Cemented carbide tools for mining and construction applications and method of making same
- Patent Title (中): 用于采矿和建筑应用的硬质合金刀具及其制造方法
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Application No.: US12189480Application Date: 2008-08-11
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Publication No.: US07678327B2Publication Date: 2010-03-16
- Inventor: Mathias Tillman , Susanne Norgren , Marianne Collin
- Applicant: Mathias Tillman , Susanne Norgren , Marianne Collin
- 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; SE0303486 20031222
- Main IPC: B22F3/12
- IPC: B22F3/12
Abstract:
A cemented carbide cutting tool insert/button for mining and construction 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 smaller grain size has a lower binder phase content than the interior portion. A method to form the cemented carbide cutting tool insert/button is also disclosed.
Public/Granted literature
- US20090014927A1 CEMENTED CARBIDE TOOLS FOR MINING AND CONSTRUCTION APPLICATIONS AND METHOD OF MAKING SAME Public/Granted day:2009-01-15
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