Wood strand manufacturing process and device

Details Wood strand manufacturing process and device Wood strand manufacturing process and device

B - Operations, Transporting

27

L

B27L 11/00 (2006.01)

Patent

CA 2212575

A method and an apparatus for fabricating strands from round wood are disclosed. The strands have a length of between 200 and 350 mm in the direction of the wood fibers and have a width of between 1 and 15 mm. The strands are fabricated from profiled logs. In the cross-section of the logs, residual areas out-side a center piece are defined, the center piece being the area intended to be dissected into beams or boards at a later stage. The residual areas are provided with longitudinal slits by cutting or sawing. The strands are then cut out of the residual areas until the residual areas are entirely removed.

Un procédé et un dispositif servent à fabriquer des copeaux longs à partir de bois rond. Le bois rond est toujours un tronc d'arbre (30). Le tronc d'arbre (30) est amené par un dispositif de transport (50) jusqu'à un dispositif de coupe (51, 52) en copeaux. Le dispositif de coupe (51, 52) peut venir en contact avec des zones résiduelles (33) extérieures au corps principal (32) du tronc d'arbre (30), ce qui permet de découper les copeaux longs dans les zones résiduelles (33). Le dispositif de coupe (51, 52) est pourvu de premiers outils (51) qui découpent des fentes longitudinales dans les zones résiduelles (33, 33').

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