Pouch

Abstract

A pouch includes a packaging bag and a spout configured to dispense contents from the packaging bag. Left side seal portions include a first side gas enclosing portion enclosing a gas and having an elongated shape in a height direction, right side seal portions include a second side gas enclosing portion enclosing a gas and having an elongated shape in the height direction, left back top seal portions include a first posterior gas enclosing portion enclosing a gas and extending rearward, right back top seal portions include a second posterior gas enclosing portion enclosing a gas and extending rearward, the first posterior gas enclosing portion communicates with an upper end of the first side gas enclosing portion, and the second posterior gas enclosing portion communicates with an upper end of the second side gas enclosing portion.

1 . A pouch comprising:
 (a) a packaging bag including a front sheet, a back sheet, and a top sheet and configured to accommodate contents; and   (b) a spout fixed to the top sheet and configured to dispense the contents from the packaging bag,   (c) wherein the packaging bag includes
 (i) a left side seal portion and a right side seal portion formed by joining end portions of the front sheet and end portions of the back sheet in a width direction, each having an elongated shape in a height direction, 
 (ii) an anterior front top seal portion, a left front top seal portion, and a right front top seal portion formed by joining the front sheet and the top sheet, and 
 (iii) a posterior back top seal portion, a left back top seal portion, and a right back top seal portion formed by joining the back sheet and the top sheet, 
 (iv) the left side seal portion includes a first side gas enclosing portion enclosing a gas and having an elongated shape in the height direction, 
 (v) the right side seal portion includes a second side gas enclosing portion enclosing a gas and having an elongated shape in the height direction, 
 (vi) the left back top seal portion includes a first posterior gas enclosing portion enclosing a gas and extending rearward, 
 (vii) the right back top seal portion includes a second posterior gas enclosing portion enclosing a gas and extending rearward, 
 (viii) the first posterior gas enclosing portion communicates with an upper end of the first side gas enclosing portion, and 
 (ix) the second posterior gas enclosing portion communicates with an upper end of the second side gas enclosing portion. 
   
     
     
         2 . The pouch according to  claim 1 , wherein
 the left front top seal portion includes a first anterior gas enclosing portion enclosing a gas and extending frontward,   the right front top seal portion includes a second anterior gas enclosing portion enclosing a gas and extending frontward,   the first anterior gas enclosing portion communicates with the first side gas enclosing portion and the first posterior gas enclosing portion at the upper end of the first side gas enclosing portion, and   the second anterior gas enclosing portion communicates with the second side gas enclosing portion and the second posterior gas enclosing portion at the upper end of the second side gas enclosing portion.   
     
     
         3 . The pouch according to  claim 1 , wherein
 the posterior back top seal portion includes a third posterior gas enclosing portion enclosing a gas, and   the third posterior gas enclosing portion communicates with the first posterior gas enclosing portion and the second posterior gas enclosing portion, and the spout is surrounded from a rearward side by the first posterior gas enclosing portion, the third posterior gas enclosing portion, and the second posterior gas enclosing portion.   
     
     
         4 . The pouch according to  claim 1 , wherein
 the top sheet is inclined toward an anterior side, and   the spout is inclined toward the anterior side.   
     
     
         5 . The pouch according to  claim 1 , wherein the left side seal portion and the right side seal portion are provided extending to lower vicinity regions of side portions of the packaging bag. 
     
     
         6 . The pouch according to  claim 1 , wherein given a virtual line connecting a fold between the left front top seal portion and the left back top seal portion and a fold between the right front top seal portion and the right back top seal portion as a fold line, a distance from the fold line to the posterior back top seal portion is longer than a distance from the fold line to the anterior front top seal portion. 
     
     
         7 . The pouch according to  claim 1 , wherein the anterior front top seal portion includes
 a first anterior front top extending seal portion positioned rearward of a central portion in an anterior region of the left front top seal portion, and   a second anterior front top extending seal portion positioned rearward of the central portion in an anterior region of the right front top seal portion.   
     
     
         8 . The pouch according to  claim 1 , wherein given a virtual line connecting a fold between the left front top seal portion and the left back top seal portion and a fold between the right front top seal portion and the right back top seal portion as a fold line, the spout is provided rearward of the fold line.