Planer

B - Operations – Transporting – 27 – C

Patent

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Details

B27C 1/10 (2006.01) B27C 1/00 (2006.01) B27G 13/00 (2006.01) B27G 17/02 (2006.01)

Patent

CA 2095315

The invention provides an improved planer which effectively prevents undesirable torn grain. The planer of the invention includes at least one planer knife or blade and at least one pressing member, both attached to and supported on a cutterhead. The pressing member includes a head element which is located to have a predetermined angle with respect to the blade and is resiliently movable in a predetermined direction to press an edge of the head element against a certain position of a wood surface immediately before a cutting edge of the blade moving in a fixed direction for cutting or against a boundary between the wood surface and a chip being currently cut from the wood surface. The direct pressing of the pressing member against the wood surface prevents rise of wood fibers and thereby effectively reduces or eliminates undesirable torn or chipped grain.

Dégauchisseuse améliorée pour prévenir l'occurrence de déchirures des veines dans le bois. La dégauchisseuse proposée dans la présente comporte au moins un couteau (ou lame) et un organe de pression, tous deux fixés à un porte-fers. L'organe de pression comporte une partie de tête qui est positionnée selon un angle prédéterminé par rapport au couteau et qui est mobile dans une direction prédéterminée, de manière à maintenir la pression exercée par son rebord antérieur sur la surface du bois au voisinage immédiat du bord d'attaque de l'outil de coupe en déplacement dans une direction fixe, ou entre la surface du bois et un copeau se trouvant sous l'action du couteau. L'exercice d'une pression directe par l'organe de pression situé sur le bord antérieur de la tête prévient le soulèvement des fibres du bois, éliminant ainsi efficacement le risque de déchirure des veines du bois.

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