Device for longitudinal cutting of a continuous web material...

B - Operations – Transporting – 26 – D

Patent

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B26D 7/26 (2006.01)

Patent

CA 2600452

The device comprises at least a first series of slides (21) each carrying a respective cutting tool (9). The slides are adjustable and clampable in pre- ~established positions along a beam (11) extending more or less transversely with respect to the direction of feed of the web material. Moreover, a system to clamp the slides along said beam and a translation member (71) to translate and position said slides along the beam are provided. The clamping system comprises, for each slide, a pressing member (33) elastically stressed against a fixed surface (29A) integral with the beam, while the translation member comprises an actuator (74) cooperating selectively with one or other of said pressing members, to release the pressing member from the fixed surface and draw the slide by means of the translation member and position it along said beam.

Dispositif de découpe comprenant au moins une première série de glissières (21) portant chacune un outil de découpe (9). Les glissières sont réglables et peuvent êtres serrées dans des positions préétablies le long d'une poutre (11) s'étendant dans une direction sensiblement transversale par rapport à la direction d'avance du matériau tissé. Un système pour serrer les glissières le long de ladite poutre et un élément de translation (71) pour translater et positionner lesdites glissières le long de la poutre sont également prévus. Le système de serrage comprend, pour chaque glissière, un élément de pression (33) appliqué par contrainte élastique contre une surface fixe (29A) intégrée à la poutre, tandis que l'élément de translation comporte un actionneur (74) coopérant sélectivement avec l'un ou l'autre desdits éléments de pression, pour dégager l'élément de pression de la surface fixe et tirer la glissière au moyen de l'élément de translation afin de la positionner le long de ladite poutre.

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