Apparatus and process for preparing hard or medium density...

Details Apparatus and process for preparing hard or medium density... Apparatus and process for preparing hard or medium density...

D - Textiles, Paper

21

J

92/11.1

D21J 1/18 (2006.01) B27N 1/00 (2006.01)

Patent

CA 1122045

Abstract Hard and medium density board are described having a central layer with substantially higher concentration of set resin than both the outer lay- ers of said board. Also a process for the preparation of said board is des- cribed, whereby a thermosetting resin solution or a high resin content pulp is introduced in the central layer of the pulp or the wet slab to be proces- sed to said board; furthermore, an apparatus for said introduction is described.

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