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    • 4. 发明授权
    • Method and apparatus for perforating and/or severing tubular bodies
    • 用于穿孔和/或切断管状体的方法和装置
    • US5019028A
    • 1991-05-28
    • US224213
    • 1988-07-22
    • Adalbert EngelChristoph EngelUta-Marie Engel
    • Adalbert EngelChristoph EngelUta-Marie Engel
    • B26D3/16B26F1/00B26F1/24B26F1/26B65H75/50
    • B26F1/26B26D3/161B26F1/0015B26F1/24B65H75/50B65H2701/31Y10S493/954Y10T82/16016Y10T82/16852Y10T82/16967Y10T83/0414Y10T83/0453Y10T83/2068Y10T83/9314Y10T83/9382
    • Tublar workpieces are formed with perforations of desired size and/or shape by repeatedly piercing selected portions of the workpieces by needles, pins or analogous piercing tools. The tools can be stationary while the workpieces roll therealong, or the workpieces can rotate while coming into repeated engagement with one or more sets of orbiting tools. The frequency and the number of penetrations of tools into selected portions of the workpieces are selected with a view to heat the tools as a result of frictional engagement with the material of the workpieces, i.e., as a result of repeated penetration into and extraction from selected portions of a rotating or rotating and rolling and/or axially moving workpiece. This enhances the making of predictable perforations in tubular workpieces, especially workpieces which consist of a synthetic thermoplastic material, such as bobbins for the storage of textile yarns. One or more knives can be provided to subdivide each discrete workpiece or a continuous tubular body into discrete sections of desired length.
    • 通过用针,销或类似的穿孔工具反复穿透工件的选定部分,形成具有所需尺寸和/或形状的穿孔的Tublar工件。 当工件在其上滚动时,工具可以是静止的,或者工件可以在与一组或多组轨道工具重复接合的同时旋转。 选择工具进入工件的选定部分的穿透频率和数量,以便由于与工件的材料的摩擦接合而加热工具,即,作为重复渗入和从选定的材料中提取的结果 旋转或旋转和滚动和/或轴向移动的工件的部分。 这增强了在管状工件中的可预测的穿孔的制造,特别是由合成热塑性材料(例如用于储存纺织纱线的线轴)组成的工件。 可以提供一个或多个刀将每个离散的工件或连续管状体细分成具有所需长度的离散部分。
    • 10. 发明授权
    • Rotating rod saw and method of making same
    • 旋转锯和其制作方法
    • US3704517A
    • 1972-12-05
    • US3704517D
    • 1970-12-07
    • THOMAS M DETERLING
    • DETERLING THOMAS M
    • B23D61/00B27G13/02B27B5/12
    • B27G13/02B23D61/003Y10T83/9382Y10T407/1946Y10T407/1958Y10T408/352
    • A rod is first grooved longitudinally along helical lines by broaching, milling, forging, or the like, after which a helical groove is cut by a threading die across the longitudinal grooves, the helixes of the grooves being oppositely directed to form cutting teeth having a leading chisel-like cutting edge from which a facing surface and a side surface trail, the included angle between the surfaces being acute. After wear, the teeth can be sharpened by reforming the grooves using dies of slightly smaller size. During cutting action, the rod saw develops thrust and tends to move lengthwise; a reaction member is provided to resist such movement and make for easier operation.
    • 首先通过拉削,铣削,锻造等将螺杆沿着螺旋线纵向开槽,然后通过穿过模头横切纵向槽切割螺旋槽,使沟槽的螺旋线相对地指向以形成具有 领先的凿状切割刃,面对表面和侧表面轨迹,表面之间的夹角为锐角。 磨损后,可以通过使用略小尺寸的模具重新形成凹槽来削尖齿。 在切割过程中,棒锯产生推力并趋向纵向移动; 提供反作用构件以抵抗这种移动并且使得操作更容易。