| 摘要 |
A paperboard corrugating machine for forming board having two corrugated mediums joined at their flute tips without any intervening liner. The machine comprises a frame (11) thicker than conventional frames, mounted on which is a second frame (12). Frame (11) carries two rolls (13 and 14) and frame (12) carries two rolls (15 and 16). Frame (12) can be locked into position and loaded against the upper roll (13). The four rolls (13, 14, 15 and 16) lie in a single plane. By using one frame to mount all four rolls (13, 14, 15, 16) and including one pair of rolls (15, 16) on a second frame (12) mounted on the first frame to form a cassette, movement and twisting of the rolls (13 and 15) relative to each other, between which the fluted mediums are aligned flute tip to flute tip, is reduced.
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