发明名称 |
Multi-layer film for forming a vacuum packaging bag and method of manufacture |
摘要 |
A vacuum packaging film with an improved embossed pattern suitable for evacuation of gas from a vacuum packaging bag made of the film. The embossed pattern includes a plurality of roughly parallel sequences of substantially collinear ridges. The ridges of a first sequence are offset with respect to the ridges of an adjacent second sequence.
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申请公布号 |
US2006072860(A1) |
申请公布日期 |
2006.04.06 |
申请号 |
US20050185536 |
申请日期 |
2005.07.19 |
申请人 |
WU HONGYU |
发明人 |
WU HONGYU |
分类号 |
B65D33/01;B65D30/08;B65D33/00 |
主分类号 |
B65D33/01 |
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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