Process and installation for dyeing sheet materials, especially wood in sheet form.

摘要

A method and an apparatus for dyeing materials in sheet form, such as wood sheets, are based on the formation of a roll (14) comprised of a liquid-pervious pliable web (16) on which wood sheets (15) are placed and the introduction of said roll (14) into an autoclave (1) in which dyeing is carried out at a temperature of 130 DEG C - 140 DEG C and under a high pressure, preferably obtained by causing a back-pressure in the dyeing liquor stream to take place, the flow of the liquor being caused to run longitudinally of the roll (14).