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MANUFACTURE BY DRY PROCESSES OF ARTICLES, WITH OR WITHOUT ORGANIC BINDING AGENTS, MADE FROM PARTICLES OR FIBRES CONSISTING OF WOOD OR OTHER LIGNOCELLULOSIC OR LIKE ORGANIC MATERIAL (containing cementitious material B28B; shaping of substances in a plastic state B29C; fibreboards made from fibrous suspensions D21J; drying F26B 17/00 )
Synonyms and Keywords

In patent documents the following abbreviations are often used:

CTMP
chemithermomechanical pulp
TMP
thermomechanical pulp
HDF
high density fibreboard
MDF
medium density fibreboard
OSB
oriented strand board
Pretreatment of moulding material
Informative references
Attention is drawn to the following places, which may be of interest for search:
Manufacture of wood shavings, chips, powder or the like
Fibrous raw materials or their mechanical treatment
[N: by spraying the agent on the falling material, e.g. with the material sliding along an inclined surface, using rotating elements or nozzles ( B27N 1/0254 takes precedence) ]
Informative references
Attention is drawn to the following places, which may be of interest for search:
Spraying a fluid on falling particles
Manufacture of substantially flat articles, e.g. boards, from particles or fibres
Definition statement
This subclass/group covers:

Manufacture of substantially flat articles, e.g. boards, from particles or fibres

Making particle boards or fibreboards, with preformed covering layers, the particles or fibres being compressed with the layers to a board in one single pressing operation
References relevant to classification in this group
This subclass/group does not cover:
Lamination of pressed boards
B32B31/00
Informative references
Attention is drawn to the following places, which may be of interest for search:
(Laminated) flooring
Distributing or orienting the particles or fibres
Informative references
Attention is drawn to the following places, which may be of interest for search:
Feeding fibres to machines
[N: Orienting the particles or fibres]
Informative references
Attention is drawn to the following places, which may be of interest for search:
Roller screens
Roller screen using corrugated, grooved or ribbed rollers
characterised by using continuously acting presses having endless belts or chains moved within the compression zone
Informative references
Attention is drawn to the following places, which may be of interest for search:
Veneer presses; Press plates; Plywood presses with endless arrangement of moving press plates, belts or the like
Wherein the pressing means is in the form of an endless band co-oprating with an another endless band
characterised by using extrusion presses
Informative references
Attention is drawn to the following places, which may be of interest for search:
Extrusion presses in general of plastics or substances in a plastic state
Manufacture of non-flat articles
Informative references
Attention is drawn to the following places, which may be of interest for search:
Solid fuels essentially based on vegetable substances, i.e. wood pellets
After-treatment, e.g. reducing swelling or shrinkage, surfacing; Protecting the edges of boards against access of humidity
Definition statement
This subclass/group covers:

After-treatment, e.g. reducing swelling or shrinkage, surfacing; Protecting the edges of boards against access of humidity

[N: Coating boards, e.g. with a finishing or decorating layer]
References relevant to classification in this group
This subclass/group does not cover:
Lamination of pressed boards
B32B31/00
Arrangements for fireproofing (fireproofing materials C09K 21/00 )
Definition statement
This subclass/group covers:

Arrangements for fireproofing

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Last Modified: 10/11/2013