Patent ID: 8684241

Claim:
A packaging bag for a viscous liquid, comprising: a bag body having a through hole at a front end thereof for pushing a viscous liquid outside, said bag body being formed of a bonded sheet material made of a synthetic resin, said sheet material being formed of a base film layer, a heat seal layer, and a film layer having a gas barrier function as an intermediate layer between the base film layer and the heat seal layer; a nozzle inserting piece with a flat shape in a fused state, said nozzle inserting piece being formed in a part of an edge of the bonded sheet material at the front end of the bag body; a nozzle guide hole formed in the nozzle inserting piece in a closed state for becoming the through hole when a rear end of a removable nozzle is inserted to the nozzle guide hole; and a nozzle hooking portion formed in the nozzle inserting piece for preventing the removable nozzle from coming off after the removable nozzle is attached to the nozzle inserting piece.