Apparatus to replace a feed reel for feeding a covering...

B - Operations – Transporting – 65 – H

Patent

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Details

B65H 19/10 (2006.01) B26D 5/00 (2006.01) B29C 31/00 (2006.01) B65H 16/02 (2006.01) B29C 51/00 (2006.01) B29C 67/24 (2006.01)

Patent

CA 2515114

Apparatus and method to replace a feed reel (15) for feeding a film (11) and to lay and cut a segment of the film (11). The apparatus comprises a work plane (12), laying means (13) having their own gripping means (22), cutting means (14) having their own gripping means (26), and an unwinding assembly (18) associated with the feed reel (15). The unwinding assembly (18) includes guide means (31, 32, 33; 34, 35, 36) able to keep the end of the film (11) guided during its insertion into the gripping means (22, 26) of the laying means (13) and the cutting means (14), gripping means (29) able to be selectively activated during the change-of-reel step, and tensioning means (30) able to keep the segment of film (11) in tension between the feed reel (15) and the gripping means (22, 26) and to allow the recovery of the segment of film (11) during the change-of-reel step without needing to rewind the feed reel (15).

L'invention concerne un appareil et une méthode pour remplacer une bobine débitrice (15) pour dévider un film (11) et pour poser et couper un segment du film (11). Cet appareil comprend un plan de travail (12), un moyen de pose (13) présentant son propre moyen de préhension (22), un moyen de coupe (14) présentant son propre moyen de préhension (26), et un assemblage de déroulement (18) associé à la bobine débitrice (15). L'assemblage de déroulement (18) comprend des moyens de guidage (31, 32, 33; 34, 35, 36) permettant que l'extrémité du film (11) reste guidée lors de son insertion dans le moyen de préhension (22, 26) du moyen de pose (13), et du moyen de coupe (14), des moyens de préhension (29) pouvant être sélectivement activés lors de l'étape de changement de bobine, et un moyen de tensionnement (30) permettant de maintenir le segment de film (11) tendu entre la bobine débitrice (15) et les moyens de préhension (22, 26), et permettant la récupération de segment de film (11), lors de l'étape de changement de bobine, sans qu'il soit nécessaire d'avoir recours au rembobinage de la bobine débitrice (15).

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