发明授权
- 专利标题： Method of cutting and cutting rotative bit
- 专利标题（中）： 切割和切割旋转位的方法
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申请号： US394908申请日： 1995-02-27
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公开(公告)号： US5520444A公开(公告)日： 1996-05-28
- 发明人: Yury Kosobrodov , Vincent Jue
- 申请人： Yury Kosobrodov , Vincent Jue
- 申请人地址： CA Paramount
- 专利权人： Champion Equipment Co.
- 当前专利权人： Champion Equipment Co.
- 当前专利权人地址： CA Paramount
- 主分类号： E21C35/18
- IPC分类号： E21C35/18 ; E21C35/183
摘要：
A rotating cutting tool has a cutting annular element which is mounted and displaced so that the cutting annular element has an attack angle exceeding 90.degree.. The cutting element has a convex cutting front face and a skew angle between 0.degree. and 90.degree..