Method of curing plastic raw materials impregnated in a porous s

Details Method of curing plastic raw materials impregnated in a porous s Method of curing plastic raw materials impregnated in a porous s

1975-05-21

1977-09-20

Lusignan, Michael R.

Coating processes

With post-treatment of coating or coating material

Heating or drying

427393, 427440, B05D 302, B05D 118

Patent

active

040498506

ABSTRACT:
Wood is impregnated with a resin forming liquid, the impregnated wood is placed into a pressure vessel, and a medium of high heat capacity, such as steam, is introduced into the pressure vessel. The medium is heated above its boiling point to start curing the resin forming liquid, the heated medium cooling down at least to its phase transition temperaure as it delivers heat, and interrupting the introduction of the medium into the vessel whereby the medium is condensed on the surfaces of the impregnated wood and functions as a coolant.

REFERENCES:
patent: 2591768 (1952-04-01), Austin
patent: 2740728 (1956-04-01), Sonnabond et al.
patent: 2947648 (1960-08-01), Sonnabond et al.
patent: 3476581 (1969-11-01), Weitzel et al.
patent: 3765934 (1973-10-01), Gaylord
patent: 3779797 (1973-12-01), Makinen
patent: 3967011 (1976-06-01), Dunn et al.

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