| 摘要 |
The folding process is applied to a cutout with at least one bottom surface, front and rear walls to be folded up 90 degrees, with tongues at the sides to be folded 90 degrees. The objects are placed as a group on the bottom surface (a). The front wall (b) of the cutout comes against a carrier running with it and is turned up 90 degrees. The tongues are also folded up and then back by fixed guide bars, which also turn up the side walls (d) and the tongues (c') on the wall, and finally the side walls (d) are folded back, while the tongues stay up. A following folding carrier then turns then and the up-folded wall (e) forward, The tongues are glued, and the side walls are folded up again and stuck into position.
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