Wood working machine

B - Operations – Transporting – 27 – L

Patent

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Details

B27L 1/02 (2006.01) B27L 1/10 (2006.01)

Patent

CA 2324579

This invention relates to a method for working wood like pulp wood, saw timber or similar elongated wood parts, a working machine being at hand, which comprises a trough designed like a tunnel, which trough has a feeding in end and a feeding out end for the wood and in which are arranged a plurality of rotors, provided with means on its jacketsurface, the purpose of which is to debark the wood at least partially. According to the invention the method is characterized by the combination of following steps: the wood during the working is taken by the rotors (6) from a portion of the trough (2) on a first level to a side-displaced portion of the trough on a second, higher level, wherefrom the wood falls down to the lower level, whereby tumbling of the wood is brought about at the same time as a further working of the wood can be made; the wood during the working is taken by the rotors from the feeding in end (3) of the trough (2) to its feeding out end (4). The invention also relates to a working machine for carrying out the method.

L'invention concerne un procédé servant à travailler du bois, tel que du bois de pâte à papier, du bois de sciage ou des pièces de bois allongées de ce type, ainsi qu'une machine à bois comprenant une goulotte sous forme de tunnel possédant une extrémité d'alimentation et une extrémité d'évacuation, dans laquelle sont disposés une pluralité de rotors et dont l'enveloppe présente en surface des moyens servant à écorcer le bois au moins partiellement. Ce procédé consiste en la combinaison des étapes suivantes: le bois est saisi par les rotors (6) depuis une partie de la goulotte (2) sur un premier niveau jusqu'à une partie décalée latéralement de la goulotte sur un deuxième niveau supérieur, depuis lequel le bois tombe vers le niveau inférieur, ce qui provoque le basculement du bois simultanément au déclenchement de la continuation du processus de travail; pendant ce dernier, le bois est saisi par les rotors depuis l'extrémité d'alimentation (3) de la goulotte (2) jusqu'à son extrémité d'évacuation (4). L'invention concerne également une machine à bois servant à mettre ce procédé en application.

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