Method of impregnating and drying materials and installations fo

Details Method of impregnating and drying materials and installations fo Method of impregnating and drying materials and installations fo

1975-12-18

1977-10-18

Lusignan, Michael R.

Coating processes

Vacuum utilized prior to or during coating

Organic base

118 50, 427439, B05D 300, B05D 118

Patent

active

040546926

ABSTRACT:
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.

REFERENCES:
patent: 1723747 (1929-08-01), Pearce
patent: 2280216 (1942-04-01), Campbell et al.
patent: 2303257 (1942-11-01), Campbell et al.
patent: 2730462 (1956-01-01), Ewing

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