Veneer-pressing apparatus

B - Operations – Transporting – 27 – D

Patent

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Details

B27D 3/04 (2006.01) B27D 3/02 (2006.01) B30B 7/02 (2006.01)

Patent

CA 2213364

A veneer-pressing apparatus comprising a pressing device provided with at least three pressing bodies disposed movably from a non-pressing position where the pressing bodies are vertically spaced apart from each other to a pressing position where the pressing bodies are close to each other; endless belts each adapted to be intermittently moved in a direction opposite to that of the neighboring endless belt, thereby forming a forward transfer passage between a pair of facing surfaces of the neighboring endless belts and a backward transfer passage which is opposite in transferring direction to the forward transfer passage; and a pressing member which is capable of rendering the pressing bodies provided with the endless belt to move from a non-pressing position to a pressing position to press a veneer with a predetermined pressure. This apparatus further comprises a first transfer means disposed on an upstream side of the forward transfer passage in the pressing device, a transferring direction thereof being the same as the forward transfer passage; and a second transfer means disposed on an upstream side of the backward transfer passage in the pressing device and capable of being moved in both forward and backward directions as well as in vertical direction.

Appareil de pressage de placages comprenant un dispositif de pressage composé d'au moins trois corps de pressage qui se déplacent d'une position de non-pressage, où les corps sont espacés verticalement l'un par rapport à l'autre, à une position de pressage, où les corps sont rapprochés l'un de l'autre; des courroies sans fin pouvant avancer de façon intermittente dans le sens opposé à celui de la courroie sans fin voisine, formant ainsi un passage de déplacement vers l'avant entre deux surfaces de courroies sans fin voisines et un passage de déplacement vers l'arrière; et un élément de pressage qui est capable de faire déplacer les corps de pressage fournis avec les courroies sans fin d'une position de non-pressage à une position de pressage pour presser un placage avec une pression préétablie. Cet appareil comprend aussi un premier dispositif de déplacement placé en amont du passage de déplacement avant dans le dispositif de pressage, ce sens de déplacement étant le même que celui du passage de déplacement avant; et un deuxième dispositif de déplacement placé en amont du passage de déplacement arrière dans le dispositif de pressage et capable d'être déplacé en avant et en arrière ainsi que dans le sens vertical.

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