| 摘要 |
<p>PURPOSE: To provide a method for manufacturing a bag with which processes requiring the execution of complicated manual work can be reduced, power saving or automation can be easily attained, cost is reduced and a light and high-strength bag can be manufactured. CONSTITUTION: In this manufacture of bag, an element 1 in a flat shape consisting of the main body of the bag is made uneven by molding it corresponding to the ruggedness of the bag, afterwards, a folding part 6 is bent and a basic shape is prepared.</p> |
