| 摘要 |
PROBLEM TO BE SOLVED: To manufacture a packaging bag easy to be formed into the shape of a rectangular parallelopiped and, particularly, most suitable for manufacturing a rectangular plate-shaped piece of konjak jelly packaged in a bag. SOLUTION: A film formed into a cylindrical shape by a vertically sealing mechanism 20 is fed downward by a feed roller 13. A four-corner sealing mechanism 40 for heat-sealing portions, which form four corners of a packaging bag that should be manufactured, along the longitudinal direction of the film, is disposed under the vertically sealing mechanism 20. Iron rollers 14 for dividing products charged from a charging pipe 12 are provided under the four-corner sealing mechanism 40, and a laterally sealing mechanism 70 for heat-sealing a portion of the film, where the products are divided by the ironing rollers 14, in a horizontal direction, is disposed under the ironing rollers 14. |
