发明名称 |
METHOD TO ACHIEVE EASY-OPENING FLEXIBLE PACKAGING LAMINATES AND PACKAGING MATERIALS MADE THEREFROM |
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 sealan t film, either a single layer or multilayer film, and may also comprise an intermediate layer of foil.</p> |
申请公布号 |
CA2243979(C) |
申请公布日期 |
2007.05.08 |
申请号 |
CA19962243979 |
申请日期 |
1996.06.17 |
申请人 |
AMERICAN NATIONAL CAN COMPANY |
发明人 |
HODSON, JAY;HAAS, DAVID J.;GEHRKE, RUSSELL P.;HSU, JOSEPH C. |
分类号 |
B32B3/26;B29C43/22;B32B7/12;B32B27/06;B32B27/08;B65D65/40;B65D75/58 |
主分类号 |
B32B3/26 |
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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