发明名称 |
Easy-opening flexible packaging laminates and packaging materials made therefrom |
摘要 |
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.
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申请公布号 |
US5874155(A) |
申请公布日期 |
1999.02.23 |
申请号 |
US19960590410 |
申请日期 |
1996.01.25 |
申请人 |
AMERICAN NATIONAL CAN COMPANY |
发明人 |
GEHRKE, RUSSELL P.;HSU, JOSEPH C.;HAAS, DAVID J.;HODSON, JAY D. |
分类号 |
B29C43/22;B32B7/12;B32B27/06;B65D75/58;(IPC1-7):B32B3/10;B32B27/00 |
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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