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    • 7. 发明授权
    • Apparatus for manufacturing cross bottom sacks
    • 用于制造十字底袋的装置
    • US5857954A
    • 1999-01-12
    • US590276
    • 1996-01-23
    • Fritz AchelpohlRichard FeldkamperAndreas KampschulteUwe Kohn
    • Fritz AchelpohlRichard FeldkamperAndreas KampschulteUwe Kohn
    • A45C13/00B31B1/60B31B29/00
    • B31B29/00B31B2221/20B31B2221/405
    • An apparatus for manufacturing cross bottom sacks from laid-flat tubular sections consists of a frame having:- a table, means for holding the tubular section thereon in a processing station where the ends of the tubular section become opened out into a bottom square or rectangle, a suction gap arranged in the table in the zone of one of the ends of the tubular section, and suction means mounted in the frame above the suction gap and which is able to be raised and lowered for opening one end of the tubular section. Above the plane of the tubular section situated in the processing station, a slide can be extended and retracted over the table in the direction of the median line of the tubular section, the median line of the slide defining with the median line of the tubular section a plane perpendicular to the plane of the tubular section. The width of the slide is less than the interspacing of the hypotenuses of the two opened-out corner folds from each other. The two shaping plungers are designed in a mirror image arrangement and are mounted for being raised and lowered onto the table; their shape corresponds to the shape of the corner folds.
    • 用于从扁平扁平管状部分制造十字底袋的装置包括:框架,其具有: - 工作台,用于将管状部分保持在其中的管状部分的装置,其中管状部分的端部变成打开成底部正方形或矩形 ,在管状部分的一个端部的区域中布置在工作台中的抽吸间隙,以及安装在框架上方的抽吸间隙上并且能够升高和降低以便打开管状部分的一端的抽吸装置。 在位于处理站的管状部分的平面上方,滑动件可以沿着管状部分的中线的方向延伸并缩回到工作台上,滑动件的中线用管状部分的中线限定 垂直于管状部分平面的平面。 滑块的宽度小于两个开口角折叠的斜边的相互间隔。 两个成形柱塞设计成镜像布置,并安装成升高和降低到桌子上; 它们的形状对应于角部褶皱的形状。