B - Operations – Transporting – 27 – D
Patent
B - Operations, Transporting
27
D
B27D 1/10 (2006.01)
Patent
CA 2392306
A method and an apparatus for edge joining of strip shaped plate or sheet elements of veneer (42, 48) by application of a hotmelt glue to at least one of the veneer edges to be joined and then forcing the elements (42, 48) together edge to edge before the glue solidifies, characterized in applying the glue in fully melted condition through heated nozzle means (40, 44) arranged so as to direct the applied glue as a jet or flow directly against a middle area of the relevant edge or edges is described. Preferably, the supporting area (2) for the opposite veneer strip (48) edge is located at a higher level (50) and preferably partly overhead the nozzle (40, 44). By means of the described method and apparatus it is achieved that the total edge area of the veneer elements being heated, while gluing, is small, thereby not inducing any drying effect of importance on the veneer elements.
L'invention concerne un procédé et un dispositif servant à assembler des éléments en forme de bande ou de feuille de placage (42, 48). Le procédé comporte les étapes consistant à appliquer une colle à chaud sur au moins un des bords du placage à assembler, et à serrer ensuite les éléments (42, 48) bord à bord avant solidification de la colle. Le procédé et caractérisé en ce que la colle est appliquée à l'état complètement fondu par un moyen (40, 44) de buse chauffée, placée de manière à diriger la colle appliquée comme jet ou écoulement directement contre une zone centrale du/des bord(s) pertinent(s). De préférence, la zone (2) d'appui du bord de la bande de placage (48) opposée est située à un niveau (50) supérieur, et de préférence partiellement au-dessus de la buse (40, 44). Grâce au procédé et au dispositif décrits, la surface totale de bords des éléments de placage chauffés pendant le collage est faible, ce qui n'induit pas d'effet de séchage important sur les éléments de placage.
Hansen Hardy Vesterby
Hansen Per Vesterby
Marks & Clerk
Vesterby Traeteknik Aps
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