| 摘要 |
PROBLEM TO BE SOLVED: To provide a paper container which can easily open a spout, does not require a troublesome operation upon manufacturing and suppresses deformation of flexure or the like.SOLUTION: A square cylindrical barrel part 6 is formed by dividing one side gable wall forming panel 18 turned to a spout 35, an inner top seal panel 22 provided on an upper part of the gable wall forming panel 18, a barrel part panel 4 provided successively to an upper end of the gable wall forming panel 18 and an inner bottom part panel 33 provided successively to a lower end of the barrel part panel 4 on center positions of surfaces thereof in longitudinal directions into two, folding respective longitudinal direction seal panels 5, 5 provided successively on division edges of division pieces 36 of the divided gable wall forming panels 18, 18, the inner top seal panels 22, 22, the barrel part panels 4, 4 and the inner bottom part panels 33, 33 to the outer side and performing superposition and heating seal such that the inner surfaces face each other.SELECTED DRAWING: Figure 1 |
