| 摘要 |
<p>Machine for shaping and mounting cardboard panels, which may be used to produce cardboard panels having a high degree of rigidity and firmness, starting from two cardboard sheats wherein is formed a series of protuberant ribs by means of two upper shaping platforms overlaying two lower shaping platforms, the ribs of one sheet or plate being in orthogonal orientation with respect to the rib of the other plate, the two plates being nested with each other by the rocking of the lower platforms from a horizontal position to a vertical position bringing the plates on top till they fit together. <IMAGE></p> |
