发明名称 |
BARRIER SEALED PACKAGES FOR CIGARETTES AND OTHER SMOKING ARTICLES |
摘要 |
BARRIER SEALED PACKAGES FOR CIGARETTES AND OTHER SMOKING ARTICLES The invention is directed to a packaging composite for barrier sealed cigarette or other smoking article packages. The composite includes a foil layer, exterior and interior skin layers of heat-sealable thermoplastic polymer, first and second biaxially oriented polypropylene homopolymer layers located between the exterior skin layers and the foil layers, and first and second adhesive layers coupling the polypropylene layers to the foil layer on each side thereof. The package laminate has a thickness of between 1.5 and 2.5 mils. |
申请公布号 |
CA1293435(C) |
申请公布日期 |
1991.12.24 |
申请号 |
CA19880584211 |
申请日期 |
1988.11.25 |
申请人 |
REYNOLDS (R.J.) TOBACCO COMPANY |
发明人 |
LANGLEY, WILLIAM H.;YEATTS, ROY E.;HEIN, CARL C., III;KOSCHAK, MATTHEW S. |
分类号 |
B32B15/085;B32B15/08;B32B27/40;B65D65/40;B65D85/10 |
主分类号 |
B32B15/085 |
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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