Pouch container

Abstract

A pouch container includes a pair of film sheet parts bonded to each other at a seal portion, and is provided with a storage space and a peripheral portion provided with the seal portion. The peripheral portion includes a first cut line portion, the first cut line portion includes a first end portion and a second end portion, the first end portion includes a first curled portion, the second end portion includes a second curled portion, the sealed portion includes a first curled portion seal area and a second curled portion seal area, and the peripheral portion includes an unsealed area so as to include a portion located between the first curled portion seal area and the second curled portion seal area.

1 . A pouch container comprising:
 a pair of film sheet parts bonded to each other at a seal portion, wherein   the pouch container includes
 a storage space configured to store contents, and 
 a peripheral portion located outside the storage space and provided with the seal portion, 
   the peripheral portion includes a first cut line portion forming a tongue portion,   the first cut line portion includes a first end portion and a second end portion,   the first end portion includes a first curled portion curled toward the second end portion,   the second end portion includes a second curled portion curled toward the first end portion,   the seal portion includes a first curled portion seal area sealing the first curled portion and a second curled portion seal area sealing the second curled portion, and   the peripheral portion includes an unsealed area in which the pair of film sheet parts are not sealed, the unsealed area including a portion located between the first curled portion seal area and the second curled portion seal area.   
     
     
         2 . The pouch container according to  claim 1 , wherein at least one of the first curled portion seal area and the second curled portion seal area is formed in an island shape inside the unsealed area. 
     
     
         3 . The pouch container according to  claim 1 , wherein
 the pouch container includes a bottom portion and a ceiling portion,   the first end portion is located closer to the ceiling portion than the second end portion,   the first curled portion seal area is formed in an island shape inside the unsealed area, and   the second curled portion seal area is located outside the unsealed area.   
     
     
         4 . The pouch container according to  claim 1 , wherein
 the pouch container includes a bottom portion and a ceiling portion,   the first end portion is located closer to the ceiling portion than the second end portion,   the first cut line portion includes an extending portion connected to the first end portion and extending toward the storage space, and   the extending portion includes a bulging portion bulging toward an inside of the unsealed area.   
     
     
         5 . The pouch container according to  claim 1 , wherein
 the first cut line portion includes multiple microjoint portions connecting an outer side and an inner side of the first cut line portion, and   all of the multiple microjoint portions are located closer to the storage space than a fold line of the tongue portion, the fold line connecting the first curled portion and the second curled portion at the shortest distance.   
     
     
         6 . The pouch container according to  claim 1 , wherein
 the pouch container includes a bottom portion and a ceiling portion,   the first end portion is located closer to the ceiling portion than the second end portion,   the first cut line portion includes an extending portion connected to the first end portion and extending toward the storage space,   the seal portion includes a second cut line portion at a position closer to the ceiling portion than the extending portion, the second cut line portion facing the extending portion and the first end portion in a direction in which the bottom portion and the ceiling portion are aligned,   the peripheral portion includes a bridge portion formed between the second cut line portion and both the extending portion and the first end portion, and   the second cut line portion includes a first portion extending in a direction in which the extending portion extends, and second portions extending from both ends of the first portion toward the ceiling portion.