Device for the treatment of flat materials

B - Operations – Transporting – 31 – F

Patent

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Details

B31F 1/07 (2006.01) B29C 59/04 (2006.01)

Patent

CA 2441975

The invention relates to a device for embossing and/or glazing films. Said device comprises at least one first and one second embossing roll, through which the flat material can be fed under pressure, in order to create a pattern. At least one additional embossing roll (4) is connected downstream of the second embossing roll (3), said additional embossing roll interacting with the first (2) or preceding (3) embossing roll. The patterned flat material (6) can be fed between these embossing rolls, in order to be embossed again with essentially the same pattern. In a simplified embodiment, only a total of two rolls (2, 4) is used. In order to achieve as precise an embossing as possible, with special effects, the first driven embossing roll (2) is provided with teeth (8), while at least one other embossing roll (3, 4, 20) comprises rings (10) or longitudinal ribs (12), or is smooth.

L'invention concerne un dispositif de grainage et/ou de satinage de feuilles, présentant au moins un premier et un second rouleaux graineurs entre lesquels le matériau plat se déplace sous pression en vue de produire un modèle. Au moins un autre rouleau graineur (4) coopérant avec le premier rouleau graineur (2) ou avec le précédent (3), est monté à la suite du second rouleau graineur (3), entre lesquels se déplace le matériau plat présentant le modèle (6), en vue d'obtenir, lors d'un grainage ultérieur, sensiblement le même modèle. Selon une forme d'exécution simplifiée, il n'est prévu, au total, que deux rouleaux (2, 4). En vue d'obtenir un grainage le plus précis possible avec des effets spéciaux, le premier rouleau graineur (2), lequel est commandé, est muni d'une denture (8), cependant qu'au moins un autre rouleau graineur (3, 4, 20) comporte des anneaux (10) ou des nervures longitudinales (12), ou bien est lisse.

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