Roller

Details Roller Roller

B - Operations, Transporting

21

B

B21B 13/14 (2006.01) B41F 13/08 (2006.01) B41F 13/18 (2006.01) D21G 1/02 (2006.01) F16C 13/00 (2006.01) F16K 31/00 (2006.01) F16K 31/02 (2006.01)

Patent

CA 2319244

The invention relates to a flexion-controllable roller (100), comprising a plurality of inner support elements (10) that can be individually controlled by valves. The valves comprise actuators (80) with a shaped body (90) that changes its expansion in at least one dimension when an electrical current is applied. Said change serves to control the valves (50).

L'invention concerne un rouleau (100) dont la flexion peut être commandée, qui comprend une pluralité d'éléments de support intérieurs (10) qui peuvent être commandés individuellement par des soupapes. Lesdites soupapes comprennent des actionneurs (80) pourvus d'un corps moulé (90) dont la dilatation se modifie lors de l'application d'une tension électrique dans au moins une dimension. Cette modification sert à la commande des soupapes (50).

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