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.
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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 |
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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