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    • 6. 发明申请
    • Method and apparatus for the production of a cylindrical embossing sheet
    • 用于生产圆柱形压花片的方法和设备
    • US20020040656A1
    • 2002-04-11
    • US09970791
    • 2001-10-05
    • HUECK FOLIEN GmbH & Co.. KG
    • Ferdinand Helm
    • B41F001/00B41C001/00
    • B44B5/0009B23P15/00Y10T29/49549Y10T29/49556Y10T29/49558Y10T29/4956
    • In a method and an apparatus for the production of a cylindrical embossing sheet that is to be fixed on a rotating clamping cylinder for the manufacture of continuous webs having surface structures, such as holograms, cinegrams, exelgrams, for safety and reliability engineering and decoration purposes, it is provided that the plate-like starting material is bent around an auxiliary implement in particular of cylindrical shape, the diameter of which corresponds approximately to the diameter of the clamping cylinder, with the plate-like starting material being prepared such that, when it is placed around the auxiliary implement, the longitudinal edges butt against each other by a flush joint, and that the plate-like material is fixed in this position, and that the longitudinal edges are then welded together without any gaps by means of a laser.
    • 在用于制造圆柱形压花片的方法和装置中,该圆柱形压花片被固定在旋转的夹紧圆筒上,用于制造具有表面结构的连续卷材,例如全息图,电影片,表格,用于安全和可靠性工程和装饰目的 规定板状起始材料围绕辅助工具弯曲,特别是圆柱形,其直径大致对应于夹紧圆筒的直径,板状起始材料制备成使得当 它被放置在辅助工具周围,纵向边缘通过齐平接头彼此对接,并且板状材料固定在该位置,并且纵向边缘然后通过激光焊接在一起而没有任何间隙 。