D - Textiles – Paper – 21 – F
Patent
D - Textiles, Paper
21
F
92/9, 92/11.1
D21F 1/00 (2006.01)
Patent
CA 1142380
Abstract: Multi-ply paperboard is manufactured by forming con- secutive paper plies on individual moving fabrics. The plies are alternately mated to one side and then the next of the partly formed paperboard. A machine for manu- facturing the paperboard in this way a fabric belt which passes over a set of four rolls with a first, low-vacuum box to dewater the ply before it is laminated to the other plies and a second, high vacuum box to dewater the mated plies and improve the bonding between the plies.
354845
Dunsmoor Earl W.
Container Corporation Of America
Gowling Lafleur Henderson Llp
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