| 摘要 |
The invention relates to a machine for manufacturing packaging boxes and postal packets with multiple concertina folds. It essentially comprises a shape allowing the production of grooves 1, 2 and 3 facilitating the formation of the corners of the concertina folds in a shaping guide 9 possibly provided with devices with rigid blades connected by hinges also facilitating the shaping of the box. <IMAGE> |
