发明名称 |
VERFAHREN ZUR HERSTELLUNG EINES LEICHT ZU ÖFFENDEN BIEGSAMEN VERPACKUNGSSCHICHTSTOFFES UND DARAUS HERGESTELLTES VERPACKUNGSMATERIAL |
摘要 |
<p>A polymeric laminate for use in polymeric films, and packaging material and packages made therefrom, that is roughened or knurled to produce a series of nicks or cuts over substantially the entire surface area of the laminate, producing an easy-opening feature. The laminate may be a multilayer, polymeric structure that may comprise an oriented polypropylene, polyethylene terephthalate, or a biaxially oriented nylon. The packaging material of the invention may contain a sealant film, either a single layer or multilayer film, and may also comprise an intermediate layer of foil.</p> |
申请公布号 |
DE69624144(T2) |
申请公布日期 |
2003.06.12 |
申请号 |
DE1996624144T |
申请日期 |
1996.06.17 |
申请人 |
AMERICAN NATIONAL CAN CO., CHICAGO |
发明人 |
GEHRKE, P.;HSU, C.;HAAS, J.;HODSON, JAY W. |
分类号 |
B29C43/22;B32B7/12;B32B27/06;B65D75/58;(IPC1-7):B32B3/26;B65D65/40;B32B27/08 |
主分类号 |
B29C43/22 |
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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