A device for perpendicular stratification of planary fibrous...

Details A device for perpendicular stratification of planary fibrous... A device for perpendicular stratification of planary fibrous...

D - Textiles, Paper

04

H

D04H 11/04 (2006.01)

Patent

CA 2331250

A device for perpendicular stratification of planary fibrous shapes, above all of fibrous web, comprising two synchronously moving elements, connected with the driving mechanism according to the invention consists in that the reciprocating moving elements (1, 2) are connected with their driving mechanism (3) indirectly by the intermediary of at least one robust shaft (4) rigidly fitted in bearings in a rigid framework of the machine, while one element (1) is connected with the shaft (4) rigidly or over flexible joints (6), and a second element (2) is coupled by means of flexible joints (7) with the same shaft or with another shaft. The driving mechanism (3) can consist of one driving shaft (8) with two crank assemblies (9) arranged with a phase shift to each other. The flexible joints (6 and 7) consist of flat steel springs with a width-to-thickness ratio more than 10.

Dispositif servant à effectuer la stratification perpendiculaire de formes fibreuses planes, en particulier, une bande fibreuse, et comprenant deux éléments se déplaçant de façon synchrone et accouplés à un mécanisme de commande. L'invention est caractérisée par le fait que les éléments (1, 2) à déplacement alternatif sont accouplés à leur mécanisme de commande (3) indirectement par l'intermédiaire d'au moins un arbre robuste (4) placé rigide dans les paliers d'un châssis rigide de la machine, tandis qu'un élément (1) est relié à l'arbre (4) au moyen d'un accouplement rigide ou de joints flexibles (6) et qu'un deuxième élément (2) est accouplé au moyen de joints flexibles (7) au même arbre ou à un autre arbre. Le mécanisme de commande (3) peut être constitué par un arbre moteur (8) comportant deux renvois (9) déphasés l'un par rapport à l'autre. Les joints flexibles (6, 7) consistent en des lames-ressorts plates dont le rapport entre la largeur et l'épaisseur est supérieur à 10.

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