发明名称 Light-tight package and method of forming the same
摘要 A light-tight package for a roll 1 of light sensitive material has a central core 4 around which the material is wound, a flexible opaque leader 6 having a trailing end attached to the outermost end of the material and a pair of flexible end discs 7, 8 covering each end of the roll. Each end disc has a central hole 10 smaller than the inner diameter of the core, the inner diameter edge 9 of the disc being sealed to the inner wall of the core in the form of an unbroken seal.
申请公布号 US6098376(A) 申请公布日期 2000.08.08
申请号 US19990384456 申请日期 1999.08.27
申请人 EASTMAN KODAK COMPANY 发明人 HAILES, REBECCA;HART, MALCOLM
分类号 B65D85/02;B65D81/30;B65D85/672;G03C3/00;(IPC1-7):B65B11/00;B65B11/12 主分类号 B65D85/02
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