ROTARY CUTTING BIT WITH MATERIAL-DEFLECTING LEDGE
- 申请公布号：
- MY139638(A)
- 申请号：
- MYPI20050153
- 申请日期：
- 2005.01.14
- 申请公布日期：
- 2009.10.30
- 申请人：
- SANDVIK INTELLECTUAL PROPERTY AB
- 发明人：
- MR. GREGORY MERCIER;MR. GARY FULLER
- 摘要：
- A CUTTING BIT INCLUDES A BODY HAVING A FRONT SURFACE AND A SIDE SURFACE, THE SIDE SURFACE INCLUDING A SHOULDER BELOW THE FRONT SURFACE AND EXTENDING SUBSTANTIALLY PERPENDICULAR TO A CENTRAL AXIS OF THE BODY, AND A RING THAT IS HARDER THAN THE BODY ATTACHED .TO THE BODY AT A FRONT SURFACE OF THE SHOULDER. WEAR LIFE OF THE CUTTING BIT IS ENHANCED BY MAINTAINING PARTICULAR DIMENSIONAL RELATIONSHIPS REGARDING THE-POSITION OF THE RING ON THE BODY, AND THE-DIAMETER OF PORTIONS OF THE BODY.
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