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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。
    • 9. 发明授权
    • Yarn support
    • 纱线支持
    • US4027830A
    • 1977-06-07
    • US628955
    • 1975-11-05
    • Thomas Albert Dolan
    • Thomas Albert Dolan
    • B31F1/00B65H75/18B65H75/50B65H75/10
    • B31F1/0087B65H75/18B65H75/50B65H2701/31Y10S493/954
    • Yarn support comprising an inexpensive compressible core, especially of laminated paperboard, with a water-resistant covering, especially of parchment, with the improved feature that the unwinding end is covered by parchment with a smooth transition from the winding surface to this covered end, so as to avoid snagging of the yarn during unwinding. Such yarn support may be prepared economically by making partial internal and external cuts through the core material and removing the end portion to give an external flap of axial length equal to the wall thickness of the support, and burnishing to fold and smooth this flap over the exposed ends of the inner layers of core material, to compress the core material in the flap against the ends of the inner layers to give a rounded configuration and to fair the flap into the internal surface of the support.
    • 纱线支撑件包括廉价的可压缩芯,特别是层压纸板,具有防水覆盖物,特别是羊皮纸,其改进的特征在于,退绕端被从卷绕表面平滑过渡到该覆盖端的羊皮纸覆盖,因此 以避免在退绕期间纱线的缠绕。 这样的纱线支撑件可以经济地制造,通过使芯部材料部分内部和外部切口并移除端部部分,得到轴向长度等于支撑件壁厚的外部翼片,并且抛光以使该翼片折叠并平滑 核心材料的内层的暴露的端部,以将翼片中的芯材压缩抵靠内层的端部以产生圆形构造并且将翼片展开到支撑件的内表面中。