发明名称 |
GUIDING SPIRALLY WOUND ZIPPERED FILM TO A CONSTANT INFEED POINT |
摘要 |
Zippered film which is spirally wound on a nonoscillating rotary spool is guided to a constant point of infeed by running the zippered film from the spool to such infeed point through an oscillating guide device.
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申请公布号 |
CA2031412(A1) |
申请公布日期 |
1991.07.23 |
申请号 |
CA19902031412 |
申请日期 |
1990.12.04 |
申请人 |
ZIP-PAK INCORPORATED |
发明人 |
BOECKMANN, HUGO |
分类号 |
B65H23/02;(IPC1-7):B65H16/00 |
主分类号 |
B65H23/02 |
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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