摘要 |
An apparatus for producing corrugated cardboard has means (6) for applying a suspension of raw starch in water to the crests (111) of a corrugated core of at least one half-lined corrugated paper (11); means (2) for directing reheated dry steam onto the suspension to cause gelation of the starch; and means (7), including heater plates (9), for pressing and bonding the paper (11) to a liner (12). |