FIELD: packing equipment.
SUBSTANCE: method involves grinding paper to obtain paper flakes; distributing paper flakes to produce paper flake coating and spraying liquid adhesive on coating surface; performing the first compaction operation to compact flakes and the second compaction operation to compact coating; forming paper sheet with a number of reinforcing depressions during the second compaction operation.
EFFECT: provision of paper sheet rigidity comparative with that of corrugated cardboard along with reduced material consumption, cost and increased simplicity of sheet production.
19 cl, 4 dwg
