Process for the manufacture of wood fiber boards

Details Process for the manufacture of wood fiber boards Process for the manufacture of wood fiber boards

1987-08-17

1989-11-28

Lesmes, George F.

Adhesive bonding and miscellaneous chemical manufacture

Methods

Surface bonding and/or assembly therefor

156154, 264113, 264119, 264162, B29C 6702, B32B 3120, B32B 3122

Patent

active

048835463

ABSTRACT:
There is proposed a process for the manufacture of wood fiber boards, wherein by far the largest part of the outer layers to be conventionally sanded away no longer consists of wood fibers but of wood dusts of a defined particle size, a material which is available as waste from other consolidations of wood raw materials. By employing the process of the invention, it also is possible to achieve an only small density drop towards the center of the board, so that this process is particularly suitable for the manufacture of medium density wood fiber boards with a weight of 600 to 950 kg/m.sup.3.

REFERENCES:
patent: 3188367 (1965-06-01), Gottschalk
patent: 3243327 (1966-03-01), Hoppeler
patent: 3370997 (1968-02-01), Hoppeler
patent: 3447996 (1969-06-01), Himmelheber
patent: 3639200 (1972-02-01), Elmendorf

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