Pouch

Abstract

At least one of a left side seal portion or a right side seal portion includes recessed portions recessed toward the inside of packaging bag so that an outer edge of the packaging bag is constricted in a width direction in a state in which the packaging bag-10 is folded so that a top gusset sheet overlaps each of a folded portion where a part of the front surface sheet closer to a top gusset sheet is folded and a back surface sheet while the front surface sheet is located on the back surface sheet in a state of including the folded portion.

1 . A pouch comprising:
 a packaging bag including a front surface sheet, a back surface sheet, and a top gusset sheet and configured to accommodate contents; and   a spout fixed to the top gusset sheet and configured to dispense the contents from the packaging bag, wherein   the packaging bag includes
 a left side seal portion and a right side seal portion in which an end portion of the front surface sheet and an end portion of the back surface sheet in a width direction are sealed to each other and extend in a height direction, 
 a front side top gusset seal portion in which the front surface sheet and the top gusset sheet are sealed to each other, and 
 a back side top gusset seal portion in which the back surface sheet and the top gusset sheet are sealed to each other, and 
   at least one of the left side seal portion or the right side seal portion includes a recessed portion recessed toward an inner side of the packaging bag, so that an outer edge of the packaging bag is configured to be constricted in the width direction in a state in which the packaging bag is folded, so that the top gusset sheet overlaps each of a folded portion where a part of the front surface sheet closer to the top gusset sheet is folded and the back surface sheet while the front surface sheet is located on the back surface sheet in a state of including the folded portion.   
     
     
         2 . The pouch according to  claim 1 , wherein
 a bottom portion of the recessed portion located on the innermost side of the packaging bag is located closer to the top gusset sheet than a center in the height direction in a range between a folding line along which the folded portion is folded and a lower edge of the packaging bag in the above folded state.   
     
     
         3 . The pouch according to  claim 2 , wherein
 a bottom portion of the recessed portion located on the innermost side of the packaging bag is located side by side with a lowermost portion of the front side top gusset seal portion in the height direction along a virtual straight line extending in the width direction in the above folded state.   
     
     
         4 . The pouch according to  claim 1 , wherein
 in a state in which the contents are accommodated in the packaging bag, at least one of the front surface sheet, the back surface sheet, or the top gusset sheet includes an extending portion extending farther away from the top surface formed by the top gusset sheet than a remaining sheet of the front surface sheet, the back surface sheet, and the top gusset sheet.   
     
     
         5 . (canceled) 
     
     
         6 . The pouch according to  claim 2 , wherein
 in a state in which the contents are accommodated in the packaging bag, at least one of the front surface sheet, the back surface sheet, or the top gusset sheet includes an extending portion extending farther away from the top surface formed by the top gusset sheet than a remaining sheet of the front surface sheet, the back surface sheet, and the top gusset sheet.   
     
     
         7 . The pouch according to  claim 3 , wherein
 in a state in which the contents are accommodated in the packaging bag, at least one of the front surface sheet, the back surface sheet, or the top gusset sheet includes an extending portion extending farther away from the top surface formed by the top gusset sheet than a remaining sheet of the front surface sheet, the back surface sheet, and the top gusset sheet.   
     
     
         8 . The pouch according to  claim 4 , wherein
 an outer edge of the extending portion has an arc shape.   
     
     
         9 . The pouch according to  claim 6 , wherein
 an outer edge of the extending portion has an arc shape.   
     
     
         10 . The pouch according to  claim 7 , wherein
 an outer edge of the extending portion has an arc shape.