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    • 8. 发明授权
    • Method for making film cassettes
    • 制作薄膜盒的方法
    • US5098492A
    • 1992-03-24
    • US568481
    • 1990-08-16
    • Franz HoffackerOtto WiedemannArtur Klotz
    • Franz HoffackerOtto WiedemannArtur Klotz
    • G03B17/26G03B17/30G03C3/00
    • G03C3/00G03B17/30Y10T156/1002Y10T156/1034Y10T29/53465
    • In an improved embodiment, film cassettes comprising a substantially cylindrical casing, a film mouth of an upper lip and lower lip extending over the width of the casing, a film spool and end caps, the upper lip and lower lip of the film mouth being provided with sealing strips, contain the sealing strips for the lower lip bonded to the metal in such a way that the edge zones of the sealing strip on the narrow sides and the edge zones of the sealing strip on the longitudinal side are completely bonded to the metal on the lower lip while the edge zone of the sealing strip on the longitudinal side is completely or partly bonded to the metal inside the cassette and all or part of the inner region of the surface of the sealing strip is not bonded to the metal, so that 10 to 60% of the total surface area of the sealing strip is not bonded to the metal strip.
    • 在改进的实施例中,包括基本上圆柱形的壳体,上唇的薄膜口和在外壳的宽度上延伸的下唇的胶片盒,胶片卷轴和端盖,提供胶片嘴的上唇和下唇 密封条包含用于接合到金属的下唇的密封条,使得窄边上的密封条的边缘区域和纵向侧上的密封条的边缘区域完全结合到金属 在下边缘上的密封条的边缘区域完全或部分地粘合到盒内的金属上,并且密封条的表面的内部区域的全部或部分未与金属结合,因此 密封条的总表面积的10至60%不与金属条粘合。