Process for enrobing a core

B - Operations – Transporting – 65 – B

Patent

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B65B 47/06 (2006.01) A61K 9/28 (2006.01) B65B 9/02 (2006.01)

Patent

CA 2428720

A process for enrobing a core, such as a tablet core, uses a coating that is made of a patterned fiilm having portions that are visually distinct (.e.g, differently colored) from one another and having a transition line segment between these visually distinct portions. At feast a portion of an outer surface of the core is covered with the film, such that the transition line segment forms a substantially continuous transition line on the coating and such that a film seam is formed which is different from the transition line. Alternatively, the coating is formed from two such patterned films, in which case the outer surface of the core is covered with the two filrns such that the two transition line segments cooperate to form a substantially continuous transition line on the coating and a film seam is formed which is different from the transition line. Prior to covering the outer surface of the core, the two films may be oriented such that the resulting enrobed core has a bi-colored coating with two visually distinct portions each lying on opposite sides of the transition tine of the coating. The two films may also be oriented such that the resulting enrobed core has four alternately arranged colored portions, two of which are of a first color and the other two of which are of a second color, thereby resulting in a "checkerboard" effect.

Méthode d'enrobage d'un noyau, par exemple un noyau de comprimé, ayant recours à un revêtement fabriqué d'un film exposé comportant des parties distinctes visuellement (p. ex., diverses couleurs) les unes des autres, et comportant une ligne de séparation entre ces parties distinctes. Au moins une partie d'une surface extérieure est enrobée de la pellicule, de telle sorte que la ligne de séparation forme une ligne essentiellement continue sur l'enrobage, de manière à former une ligne de pellicule qui diffère de la ligne de séparation. Dans une autre version, l'enrobage est formé de deux pellicules exposées, auquel cas la surface extérieure du noyau est recouverte par les deux pellicules, de telle sorte que les deux lignes de séparation contribuent à former une ligne de séparation essentiellement continue sur l'enrobage, et une ligne de pellicule distincte de la ligne de séparation est formée. Avant d'enrober la surface extérieure du noyau, deux pellicules peuvent être orientées de manière à ce que le noyau enrobé qui en résulte présente un revêtement bicolore, avec deux parties distinctes visuellement, chacune se trouvant de part et d'autre de la ligne de séparation de l'enrobage. Les deux pellicules peuvent également être orientées de manière à ce que le noyau enrobé résultant comporte quatre parties colorées disposées d'une autre façon, dont deux sont de la première couleur, et les deux autres, d'une seconde couleur, ce qui donne un effet en damiers.

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