Single station continuous log roll winder

Details Single station continuous log roll winder Single station continuous log roll winder

B - Operations, Transporting

65

H

B65H 19/22 (2006.01) B65H 19/29 (2006.01)

Patent

CA 2369896

A tail gap winder transfers a web (12) from a first core to a second core by, immediately after the web is cut, pivoting the idler roller (22) to lengthen the distance between the idler roller and the rotating drum (24) to create a gap between the cut ends of the web; removing the first core (14) from the rotating drum surface (26) as the gap passes under the first core (14) location; moving the second core into contact with the rotating drum surface; and winding the incoming cut edge around the second core. The idler roller pivots toward the rotating drum to decrease the distance between the idler roller and rotating drum and to take up the extra length of web during the winding portion of the operating cycle.

La présente invention concerne un enrouleur à interruption de jupe qui transfert une bande (12) d'un premier noyau à un second noyau, immédiatement après la coupure de la bande selon les étapes suivantes: On fait pivoter le rouleau compensateur (22) de façon à allonger la distance entre ce rouleau compensateur et le tambour rotatif (24) afin de créer une interruption entre les extrémités coupées de la bande, on retire le premier noyau (14) de la surface du tambour rotatif (26) lorsque l'interruption passe sous l'emplacement de ce premier noyau, on place le second noyau en contact avec la surface du tambour rotatif, et on enroule le bord coupé qui arrive autour du second noyau. Le rouleau compensateur pivote en direction du tambour rotatif de façon à réduire la distance entre le rouleau compensateur et le tambour rotatif, et reprendre le longueur excédentaire de la bande au cours de l'étape d'enroulement du cycle de fonctionnement.

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