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PLEATED FREE-STANDING PACKING BAG, PLEATED FREE-STANDING PACKAGE, MASTER ROLL FOR PLEATED FREE-STANDING PACKAGE, AND METHOD FOR PRODUCING PLEATED FREE-STANDING PACKAGE
PLEATED FREE-STANDING PACKING BAG, PLEATED FREE-STANDING PACKAGE, MASTER ROLL FOR PLEATED FREE-STANDING PACKAGE, AND METHOD FOR PRODUCING PLEATED FREE-STANDING PACKAGE
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机译：褶皱的独立包装袋，褶皱的独立包装袋，褶皱的独立包装的主卷以及制造褶皱的独立包装的方法
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摘要
The object of the present invention is to provide a pleated stand-up packaging material which is capable of improving a heat seal property on a portion where a rib and a pleat cross at a right angle. Another object of the present invention is to provide a pleated stand-up packaging material which is capable of improving a stability and an esthetic appearance when it is stood up by sharply bending the portion where the rib and the pleat cross at a right angle. In the pleated stand-up packaging pouch comprising a rib in a pinch form which is formed by adhering inner faces of end edges of the packaging material, and at least one pleat which is formed by folding the pleated stand-up packaging material in a three-ply strip form in the orthogonal direction to its longitudinal direction and adhering inner faces of the folded portions, characterized in that the pleat formed on an edge between a folded bottom face portion and a peripheral portion extends from the peripheral portion in the same plane as the peripheral portion, and the bottom face portion and an upper end of an underside face of the pleat form a substantially right angle, and the pleat comprises a cut-off portion at the portion where the pleat and the rib cross.
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