Label applicator apparatus

B - Operations – Transporting – 65 – C

Patent

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Details

B65C 9/18 (2006.01) B65C 9/36 (2006.01)

Patent

CA 2348872

Label applicator apparatus (10) for applying a self-adhesive label (12A) to a surface (16) which is movable relative to the apparatus. The label is carried on an elongate backing web (14) having a plurality of labels (12) adhered to one side thereof in longitudinally spaced relationship. The apparatus includes an edge (22) over which the web is drawn whereby, when a force is applied along the web which exceeds a peeling threshold, the web is peeled away from the label and the label is dispensed at the edge. The apparatus includes pressing means (24) located a set distance from the edge for pressing the label against the surface as it is dispensed, thereby adhering the label to the surface, and means (28, 30) for applying a peeling force which is greater than the peeling threshold during dispensing of at least an initial portion of the label which spans the set distance to initiate dispensing of the label. The peeling force is operative during dispensing of the initial portion of the label and is inoperative during dispensing of a final portion of the label, wherein when the peeling force is inoperative, dispensing is continued due to an additional force being exerted along the web by a portion of the label which is adhered to the surface.

L'invention concerne un applicateur d'étiquette (10) conçu pour appliquer une étiquette auto-collante (12A) sur une surface (16) mobile par rapport à l'appareil. L'étiquette se trouve sur une bande de support allongée (14) sur un côté de laquelle plusieurs étiquettes (12) sont collées, selon un espacement longitudinal. Ledit appareil présente un bord (22) sur lequel la bande est tirée et, lorsqu'une force dépassant un seuil de pelage est appliquée le long de la bande, la bande est détachée de l'étiquette, laquelle est distribuée au niveau dudit bord. Ledit appareil comporte un moyen de pression (24) situé à une distance déterminée du bord et conçu pour presser l'étiquette contre la surface, à mesure qu'elle est distribuée, ce qui permet de la faire coller à la surface. Il possède également des moyens (28, 30) pour appliquer une force de pelage qui est supérieure au seuil de pelage pendant la distribution d'au moins une partie de l'étiquette qui couvre la distance fixée, de sorte que la distribution de l'étiquette soit induite. La force de pelage est active pendant la distribution de la partie initiale de l'étiquette et inactive pendant la distribution d'une partie finale de l'étiquette. Lorsque la force de pelage est inactive, la distribution continue sous l'effet d'une force supplémentaire exercée le long de la bande par une partie de l'étiquette qui est collée sur la surface.

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