Hand-held apparatus for transferring a film from a carrier...

B - Operations – Transporting – 65 – H

Patent

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Details

B65H 37/00 (2006.01)

Patent

CA 2328333

The invention relates to a hand-held apparatus for transferring a film from a carrier tape (8) onto a substrate. Said apparatus comprises a housing (1,18) in which are arranged a supply reel (4) for the carrier tape (8) coated with the film, a wind-up reel (5) which is radially displaced in relation to the supply reel and receives the carrier tape (8) separated from the film, as well as an applicator (6, 22) which deflects the carrier tape, protrudes from the housing (1) and presents to the substrate that side of the carrier tape which is coated with the film. A drive system (13, 14, 15) with a slide coupling is positioned between the supply reel (4) and the wind-up reel (5) and configured as a friction drive. When the supply reel (5) is driven by the withdrawal of the carrier tape (8) the drive system drives the wind-up reel (5) at such a speed that the carrier tape always remains taut. To improve torque transmission between the reels (4, 5) the reel bodies (4, 5) each have at least one disk-like reel wall (13, 15). The reel wall (13) of the one reel body (4) is fitted with slots and the reel wall (15) of the other reel body (5) engages the slot (14) and is held in place therein.

L'invention concerne un appareil à main permettant de transférer sur un substrat un film appliqué sur une bande support (8). Cet appareil à main comprend un boîtier (1, 18) qui abrite une bobine de réserve (4) destinée à la bande support (8) recouverte du film; une bobine réceptrice (5) décalée radialement par rapport à la bobine de réserve et destinée à recevoir la bande support (8) séparée du film, et un applicateur (6, 22) déviant la bande support. Cet applicateur qui sort du boîtier (1), présente au substrat le côté de la bande support recouvert du film. Une liaison d'entraînement (13, 14, 15) dotée d'un accouplement à glissement, placée entre la bobine de réserve (4) et la bobine réceptrice (5) et conçue comme entraînement à friction, entraîne la bobine réceptrice (5), lors de l'entraînement de la bobine de réserve (4), en tirant sur la bande support (8) avec une vitesse de rotation telle que la bande support reste toujours tendue. Pour améliorer le transfert du couple de rotation entre les bobines (4, 5), les corps bobines (4, 5) présentent respectivement au moins une paroi de bobine (13, 14) en forme de disque. La paroi de bobine (13) de l'un des corps de bobine (4) est pourvu de fentes et la paroi de bobine (15) de l'autre corps de bobine (5) s'engage dans la fente (14) où il accroche.

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