发明名称 |
A light, tightly packaged roll of light-sensitive film |
摘要 |
A lighttightly packaged roll (10) of light-sensitive film wound on a hollow supporting core (15), which comprises a lighttight flexible end cover (11, 12) for each end surface of the roll, and a lighttight flexible circumferential cover (13) secured to the film and covering the outermost convolution thereof, the inside faces of the rims (22, 24) of the circumferential cover being sealed to the corresponding inside faces of the rims (21, 23) of the end covers, and the sealed rims of the lighttight wrapping thus formed having a bending all along their circumference towards the circumferential cover of said wrapping.
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申请公布号 |
EP0738916(A1) |
申请公布日期 |
1996.10.23 |
申请号 |
EP19960200862 |
申请日期 |
1996.03.29 |
申请人 |
AGFA-GEVAERT NAAMLOZE VENNOOTSCHAP |
发明人 |
PEETERS, DIRK;VAN GEYTE, DANNY |
分类号 |
B65D85/672;G03C3/00;(IPC1-7):G03C3/00 |
主分类号 |
B65D85/672 |
代理机构 |
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代理人 |
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主权项 |
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地址 |
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