PACKAGING BAG

A packaging bag 1 is obtained by forming a laminate 10 into a bag shape such that a sealant layer 9 is on the inner side, the laminate including a paper substrate 8, a foamed sheet 7 made of a polyolefin resin and laminated on the inner side of the paper substrate 8, and the sealant layer 9 laminate...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser:	NAGATA ERIKO, NISHIGAKI MISAO
Format:	Patent
Sprache:	chi ; eng
Schlagworte:	ACCESSORIES, CLOSURES, OR FITTINGS THEREFOR CONTAINERS FOR STORAGE OR TRANSPORT OF ARTICLES OR MATERIALS,e.g. BAGS, BARRELS, BOTTLES, BOXES, CANS, CARTONS, CRATES,DRUMS, JARS, TANKS, HOPPERS, FORWARDING CONTAINERS CONVEYING HANDLING THIN OR FILAMENTARY MATERIAL PACKAGES PACKAGING ELEMENTS PACKING PERFORMING OPERATIONS STORING TRANSPORTING
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Beschreibung
Zusammenfassung:	A packaging bag 1 is obtained by forming a laminate 10 into a bag shape such that a sealant layer 9 is on the inner side, the laminate including a paper substrate 8, a foamed sheet 7 made of a polyolefin resin and laminated on the inner side of the paper substrate 8, and the sealant layer 9 laminated on the inner side of the foamed sheet 7. In this packaging bag 1, the thickness of the foamed sheet 7 is 0.8-5.0 mm, the expansion ratio of the foamed sheet 7 is 15-50 times, and the stiffness strength of the paper substrate 8 in the MD direction is 150-700 mN. 包装袋(1)是通过以下方式而形成的包装袋：将具有纸基材(8)、层叠于纸基材(8)的内侧的由聚烯烃树脂构成的发泡片材(7)、以及层叠于发泡片材(7)的内侧的密封层(9)的层叠体(10)以密封层(9)为内侧的方式形成为袋形状。该包装袋(1)中，发泡片材(7)的厚度为0.8mm至5.0mm，发泡片材(7)的发泡倍率为15倍至50倍，纸基材(8)的MD方向的抗弯刚度为150mN至700mN。