发明名称 |
Dual scored easy open film |
摘要 |
A film having a line of weakness and a method for making a film having a line of weakness are provided. The film has a barrier layer of extruded ethylene vinyl alcohol laminated on one side to a first layer of oriented polypropylene having a score line therein. The barrier layer is laminated on its second side to a second layer of polyethylene teraphthalate having a score line therein. The score line in the oriented polypropylene layer and the score line in the polyethylene teraphthalate layer lie in a plane substantially perpendicular to a plane of the film forming the line of weakness.
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申请公布号 |
US2007116915(A1) |
申请公布日期 |
2007.05.24 |
申请号 |
US20050286958 |
申请日期 |
2005.11.23 |
申请人 |
PERRE CHAD M;EHRENBERGER ANNE L |
发明人 |
PERRE CHAD M.;EHRENBERGER ANNE L. |
分类号 |
G09F3/00;B32B37/00 |
主分类号 |
G09F3/00 |
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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