Eight compound box edge sealing bags are moulded to paper

The utility model discloses an eight compound box edge sealing bags are moulded to paper, include that it makes the bag body that has eight banding to mould the complex film by paper through eight limit heat -seals, the two sides is provided with the triangle crease of mutual symmetry respectively about the bag body, prolong at the front and/or the back of the bag body the last summit of trianglecrease is equipped with horizontal crease with the position department of horizontal plane, the bottom of the bag body is passed through the triangle crease with horizontal mutually supporting of crease can be converted into forward and/or backward, the banding includes laminating portion and back up coat, the back up coat is fixed on the surface of laminating portion. The utility model disclosesan eight compound box edge sealing bags are moulded to paper in addition, in laminating portion plus establish the one deck back up coat, and then strengthens the intensity of banding because the characteristic of kraft paper