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    • 2. 发明申请
    • MANUFACTURING METHOD FOR FOLDABLE BAG FOR CONTAINING BOX FOR FOOD PRODUCTS, FLOWERS, AND THE LIKE
    • 用于食品,花卉和类似物的包装盒的折叠袋的制造方法
    • WO2014071975A1
    • 2014-05-15
    • PCT/EP2012/072104
    • 2012-11-08
    • SMART CARGO SYSTEM LTD.
    • WOLFF, GerhardPRETTI, Matteo
    • B31B1/40B31B1/52B31B1/90B31B23/00
    • B31B50/00B31B70/14B31B70/266B31B70/36B31B70/946B31B2155/00B31B2155/0012B31B2155/003B31B2160/20
    • Manufacturing method for realizing a foldable bag (20), comprising moving a semi-finished continuous tubular structure (300) made of plastic material in a forwarding direction; passing it on a cylindrical support structure (800) having the same diameter of the tubular structure so that it assumes a circular cross section; slipping it off said cylindrical support structure and entering folding means (500) comprising four longitudinal elements provided at the vertices of a quadrangle so that the cross-section of the tubular structure assumes a quadrangular shape; applying on both the lateral sides of the rectangular cross section an infold lateral force to produce a flat tubular band; completing the flattening of the tubular band by means of flattening means (600); sealing transversely said tubular band by means of sealing means (1050); realizing a pre-cut close to and upstream of said sealing with respect to said forwarding direction. A corresponding apparatus and a bag.
    • 实现可折叠袋(20)的制造方法,包括在前进方向移动由塑料材料制成的半成品连续管状结构(300) 将其通过具有相同直径的管状结构的圆柱形支撑结构(800),使其呈现圆形横截面; 将其从所述圆柱形支撑结构上滑下并进入包括设置在四边形顶点处的四个纵向元件的折叠装置(500),使得管状结构的横截面呈四边形; 在矩形横截面的两侧上施加一个折叠的侧向力以产生扁平的管状带; 通过平整装置(600)完成管状带的扁平化; 通过密封装置(1050)横向地密封所述管状带; 相对于所述前进方向实现所述密封附近和上游的预切。 相应的装置和袋子。