| 摘要 |
PROBLEM TO BE SOLVED: To prevent wrinkles form occurring at the sealed part in the automation of a work wherein a bag mouth is sealed after placing an article in a bag. SOLUTION: After placing an article C in a bag B, top and bottom interval holding pieces 2, 3 are inserted in the bag mouth, and gusset parts G on the right and left of the bag, are pushed inward from right and left, both sides. By doing so, a tension is applied around the bag mouth, and the occurrence of wrinkles is suppressed. Then, the top and bottom interval holding pieces 2, 3 are made to approach each other under this state, and at the same time, the mutual approaching for the gusset parts G is continued. Thus, the bag mouth is closed and adhered under a state without wrinkles. |
