发明名称 Light-tight package for a roll of light-sensitive material
摘要 An improved light-tight package for a roll of light-sensitive strip material. The package includes a substantially straight, light-tight end cover for each end surface of the roll, and a light-tight flexible circumferential cover secured to the end covers and to the coiled strip material and covering the outermost convolution thereof. Each end cover includes a flexible disc and a rigid disc. The flexible discs are positioned between the end surfaces of the roll and the rigid discs.
申请公布号 US6048676(A) 申请公布日期 2000.04.11
申请号 US19980201979 申请日期 1998.12.01
申请人 AGFA-GEVAERT 发明人 DE LEENER, ANTOINE;HAUCHECORNE, WIM;PEETERS, DIRK;VAN GEYTE, DANNY
分类号 B65D81/30;B65D85/672;G03C3/00;(IPC1-7):G03C3/00 主分类号 B65D81/30
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