Invention Grant
- Patent Title: Tool for coldforming operations with improved performance
- Patent Title (中): 用于冷成型操作的工具，性能提高
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Application No.: US11440435Application Date: 2006-05-25
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Publication No.: US07641710B2Publication Date: 2010-01-05
- Inventor: Håkan Engström , Luis Miñarro i Bruguera , Vasco i Salas
- Applicant: Håkan Engström , Luis Miñarro i Bruguera , Vasco i Salas
- 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: SE0501201 20050527; SE0502290 20051017
- Main IPC: C22C29/08
- IPC: C22C29/08 ; B21K5/20
Abstract:
The present invention relates to cemented carbide for steel tire cord drawing operations. The cemented carbide comprises WC with an ultra fine grain size and greater than 5 and less than 10 wt-% Co, including grain growth inhibitors (V and/or Cr) and with a specific relation between HV30 and cobalt content.
Public/Granted literature
- US20060272449A1 Tool for coldforming operations with improved performance Public/Granted day:2006-12-07
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