发明名称 |
Method and apparatus for guiding and sealing split-flange zipper tape to bag making film |
摘要 |
A method and an apparatus for sealing a split-flange zipper tape in a center fold of a web of bag making film without sealing or tacking the two sides of the split zipper web together.
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申请公布号 |
US2004060638(A1) |
申请公布日期 |
2004.04.01 |
申请号 |
US20020262087 |
申请日期 |
2002.09.30 |
申请人 |
JOHNSON JOEL L.;CORTIGIANO RONALD |
发明人 |
JOHNSON JOEL L.;CORTIGIANO RONALD |
分类号 |
B29C65/08;B29C65/18;B65B61/18;(IPC1-7):B32B31/20 |
主分类号 |
B29C65/08 |
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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