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
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