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    • 4. 发明授权
    • Lap cutting blades
    • 搭接切割刀片
    • US4161167A
    • 1979-07-17
    • US897837
    • 1978-04-19
    • Dieter ReglerAlfred Moritz
    • Dieter ReglerAlfred Moritz
    • B28D1/12B28D5/04B28D1/00B28D1/08
    • B28D1/127B28D5/042
    • Lap cutting blades are provided which are useable for the multiple lap cung of solid materials, such as semiconductorrods. The blades each have a generally rectilinear cutting edge, the length of which is 1-75 times the thickness of the blade, as measured at its cutting edge. The cutting edge of each blade has rectilinear edge portions separated by a plurality of notched edge portions which, in turn, define a plurality of recesses which encompass 5 to 25% of the total blade length and 5 to 40% of the effective operating length of the blade. The notched blade edge portions define a notch angle of between 20 and 80 degrees, as measured between the tangent thereto at its point of intersection with the rectilinear cutting edge portion and a line perpendicular to the rectilinear cutting edge portion.
    • 提供搭接切割刀片,可用于固体材料(例如半导体路径)的多次搭接切割。 叶片各自具有大致直线的切割边缘,其长度是在其切割边缘处测量的叶片的厚度的1-75倍。 每个叶片的切割边缘具有由多个切口边缘部分分开的直线边缘部分,这些边缘部分又限定了多个凹陷,其包含总叶片长度的5至25%和有效操作长度的5至40% 刀片。 切口刀片边缘部分在与直线切割边缘部分的交点处的切线与垂直于直线切割边缘部分的直线之间测量的切线角度限定在20度和80度之间。