发明名称 |
Polypropylene recloseable zipper |
摘要 |
A polypropylene closure arrangement for flexible packages comprises a blend having a polypropylene random copolymer as a base resin with a flexible modifier, and a slip component. The polypropylene closure arrangement 10, 110 is sufficiently flexible to be extruded and coiled around guide wheels similar to the fusion process of a polyethylene closure arrangement. The polypropylene closure arrangement in accordance with the present invention has the ability to be fusibly attached to a polypropylene film or other fusibly compatible thermoplastic material launch conditions.
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申请公布号 |
US6487758(B2) |
申请公布日期 |
2002.12.03 |
申请号 |
US20010814040 |
申请日期 |
2001.03.21 |
申请人 |
EATON CORPORATION |
发明人 |
SHAFFER GREGORY RICHARD;STEMPKA CHARLES;HARRIS LISA MAE |
分类号 |
A44B19/16;(IPC1-7):A44B19/00;B65D33/25;B65D33/36 |
主分类号 |
A44B19/16 |
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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