发明名称 |
PILLOW-TYPE EASY-TO-UNSEAL PACKAGING BAG |
摘要 |
PROBLEM TO BE SOLVED: To provide a packaging bag which can be surely unsealed with weak force of fingers wherein initial cuttability for unsealing is not lost and the bag is free from troubles of aligning a position of an easy-to-unseal machined position. SOLUTION: The packaging bag comprises a laminate film 1 including a thermoplastic oriented film layer (a) having strip-like flaws 2 and a thermoplastic oriented film layer (b) having fine flaws 3 on an entire surface. The strip-like flaws 2 are positioned along a crease of at least one of folds, while the flaws 2 comprise a plurality of lines including cuts whose length is longer than its width, wherein the cuts are placed side by side transversely with the crease in their longitudinal direction. |
申请公布号 |
JP2001018991(A) |
申请公布日期 |
2001.01.23 |
申请号 |
JP19990195187 |
申请日期 |
1999.07.09 |
申请人 |
ASAHI CHEMICAL POLYFLEX CO LTD |
发明人 |
MATSUSHITA TETSUO |
分类号 |
B65D33/00;B32B7/02;B32B7/06;B32B15/08;B32B15/085;B32B15/09;B32B27/00;B32B27/16;(IPC1-7):B65D33/00 |
主分类号 |
B65D33/00 |
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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