| 摘要 |
<p>This specification discloses a method of impregnating and drying material such as cardboard or corrugated cardboard preliminary shaped or not, comprising a certain number of steps and more particularly a step of impregnating cardboard located inside a sealed container by means of an impregnating liquid which is formed by impregnating substance and solvent, a step of drying the cardboard still located inside said container and a step of recovering the solvent during the step of drying in view to recycle it.</p> |
