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热词
    • 2. 发明授权
    • Core for winding a web of deformable material
    • 用于缠绕可变形材料的网的芯
    • US4934622A
    • 1990-06-19
    • US336165
    • 1989-04-11
    • Zbigniew Hakiel
    • Zbigniew Hakiel
    • B65H75/10B65H75/24
    • B65H75/10
    • A core for winding a web of deformable material, such as photographic film base, which has knurlings along its margins. The core includes a rigid cylindrical member with a sleeve of resilient material. The sleeve has a cylindrical outer surface and has a length less than the distance between the margins containing the knurlings. There are means contiguous with the ends of the sleeves for providing cylindrical surfaces having diameters substantially equal to that of the sleeve. These means underlie the knurlings in the web when the web is wound on the core and may take the form of resilient material which is harder than the sleeve, or they may be rigid. In the latter case the surface-providing means may be integral with the rigid cylindrical member.
    • 用于卷绕可变形材料的网的芯,例如照相底片,其沿着其边缘具有滚花。 芯包括具有弹性材料套筒的刚性圆柱形构件。 套筒具有圆柱形的外表面,其长度小于包含滚花的边缘之间的距离。 存在与套筒的端部相邻的装置,用于提供具有与套筒的直径基本相等的直径的圆柱形表面。 当网状物卷绕在芯上时,这些装置是卷材中的滚花,并且可以采取比套筒更硬的弹性材料的形式,或者它们可以是刚性的。 在后一种情况下,表面提供装置可以与刚性圆柱形构件成一体。