Easy-open, hermetically-sealed, packaging bag
作者： Hiroshi Odaka , Shuichi Gotoh
DOI:
关键词:
摘要: An easy-open, hermetically-sealed, packaging bag 1 whose opening end is heat-sealed, with a sealing material interposed therein, wherein the comprises (a) an intermediate resin strip comprising low-sealable layer and (b) two outer strips, outsides of strips being strongly bonded to inside by heat-sealing weakly melt-bonded both sides strip, innermost ends interfaces between are located inner in than heat-sealed parts strips.
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