发明名称 PACKAGING BAG
摘要 <P>PROBLEM TO BE SOLVED: To provide a packaging bag which can be easily unsealed without damaging a content thereof and has few incidences of falling of the content from the packaging bag during the unsealing. <P>SOLUTION: In the packaging bag, a tab part is provided on a top seal part by a cut extending therethrough, and a tear stop part is provided on a film on one side of the top seal part close to a storage part beyond the tab part. The film constituting the packaging bag includes a base material layer and a sealant layer, and the base material layer is formed of a film easy to cut from the top seal part toward an edge opposed thereto. Further, the sealant layers are releasable from each other when the sealant layers are heat-sealed face to face. <P>COPYRIGHT: (C)2012,JPO&INPIT
申请公布号 JP2012086848(A) 申请公布日期 2012.05.10
申请号 JP20100232481 申请日期 2010.10.15
申请人 TOPPAN PRINTING CO LTD 发明人 SHIMONO TAKAHIRO
分类号 B65D33/00 主分类号 B65D33/00
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