CPC Definition - Subclass B27N
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 |
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 |
Pretreatments are actions performed before the manufacturing of the Pretreatment of moulding material refers for instance to actions for reducing formaldehyd emissions, actions for incresasing resistance to swelling by humidity and actions to mix the material with a binder.
Attention is drawn to the following places, which may be of interest for search:
Spraying a fluid on falling particles |
This place covers:
Manufacture of substantially flat articles, e.g. boards, from particles or fibres
This place does not cover:
Lamination of pressed boards |
Attention is drawn to the following places, which may be of interest for search:
(Laminated) flooring |
Attention is drawn to the following places, which may be of interest for search:
Feeding fibres to machines |
Attention is drawn to the following places, which may be of interest for search:
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 |
This place covers:
After-treatment, e.g. reducing swelling or shrinkage, surfacing; Protecting the edges of boards against access of humidity
This place does not cover:
Lamination of pressed boards |
This place covers:
Arrangements for fireproofing