发明授权
- 专利标题: A METHOD OF INCREASING THE STRENGTH OF A BLADE, AND A BLADE
- 专利标题(中): 切割刀和方法以提高叶片的强度
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申请号: EP95912269.8申请日: 1995-03-15
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公开(公告)号: EP0814944B1公开(公告)日: 2001-01-10
- 发明人: JONKKA, Arvo , TOHKALA, Antti
- 申请人: SUNDS DEFIBRATOR WOODHANDLING OY
- 申请人地址: Pl 210 28101 Pori FI
- 专利权人: SUNDS DEFIBRATOR WOODHANDLING OY
- 当前专利权人: SUNDS DEFIBRATOR WOODHANDLING OY
- 当前专利权人地址: Pl 210 28101 Pori FI
- 代理机构: Langenskiöld, Tord Karl Walter
- 国际公布: WO9628287 19960919
- 主分类号: B27G13/00
- IPC分类号: B27G13/00
摘要:
A method of increasing the durability of the cutting point (8) of a blade, and a blade. A compression stress (P10) is formed in at least one surface (10 or 6) joining the point (8) of the blade (1) by cold working the blade.
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