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    • 7. 发明授权
    • Method of manufacturing a packaging blank with longitudinal material weakenings and packaging blank
    • 一种用于制造具有纵向断裂压花和包装坯件的包装坯件的方法
    • EP1101704B1
    • 2011-05-11
    • EP00123416.0
    • 2000-11-02
    • Tetra Laval Holdings & Finance SA
    • Louman, Theodor
    • B65D5/42B31B1/25
    • B65D5/4266B31B50/254Y10S229/93Y10T428/24264Y10T428/2457
    • The disclosure relates to a sheet- or web-shaped packaging material (1) for reforming into dimensionally stable packages with straight, well-defined edges and good grip rigidity. The packaging material includes a layer (3) of paper or paperboard which, for purposes of facilitating folding, is provided with a suitable pattern of longitudinal material weakenings (2) along which the packaging material (1) is intended to be folded during the production of the packages. The straight, well-defined edges and good grip rigidity of the packages is made possible in that the longitudinal, fold-facilitating material weakenings (2) are of substantially W-shaped cross section including two mutually parallel linear material ridges (2a) on the one side of the packaging material and two corresponding, mutually parallel material depressions (2b) on the other side of the packaging material.
    • 本发明涉及一种片状或带状的包装材料(1)用于重整与直的,定义明确的边缘和良好的抓地力刚性尺寸稳定的包装。 所述包装材料包括,为了便于折叠的目的,设置有纵向材料削弱的合适图案的纸或纸板层(3)(2)沿着该包装材料(1)的目的是在生产过程中被折叠 的包。 包的直链,定义明确的边缘和良好的抓地力刚性成为可能在DASS死纵向,折叠促进材料削弱(2)的大致W形的横截面包括关于两个相互平行的线状材料的脊(2a)的 该包装材料的一侧,并且两个相应的,相互平行的凹陷材料(2b)的包装材料上的另一侧。