| 摘要 |
Cutting edge 1 on a circular saw or milling blade, where the widest part of the cutting edge in the cutting direction is situated at a distance from the said cutting edge's outer and inner ends 2, 3, where both side parts 4 of the cutting edge consist of divided plane surfaces 5 and 6 which meet in straight ridges 7 pointing outwards from the side parts, from which ridges 7 the width of the cutting edge along the plane surfaces 5 and 6 decreases in each direction towards the outer and inner ends 2 and 3 of the said cutting edge. <IMAGE> |
