Method and device for protective wrapping of stacks of...

B - Operations – Transporting – 65 – B

Patent

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B65B 25/14 (2006.01)

Patent

CA 2353836

Stacks (1) of printed products which products are characterized in that they each have an edge of increased thickness are wrapped in such a manner that those stack sides in which the above-mentioned edges are arranged are completely covered by the coating (4) and are thus well protected. Since said stacks (1) are less stable in a direction transversal to the mentioned edges, the stacks (1) are discharged from a stacking shaft (20) in which the stacks are produced in a direction parallel to the mentioned edges and directly between the forks (12 and 13) of a pair of forks (12/13). The stack (1) is compressed between the forks (12 and 13) and the pair of forks (12/13) containing the compressed stack (1) is guided through a curtain (14) of a coating material. Said coating material is closed around the pair of forks (12/13) and the stack (1). Once the coating is applied, the coated stack (1/4) is separated from the pair of forks (12/13) by performing a movement of the pair of forks (12/13) relative to the stack (1/4) and is conveyed on.

Des piles (1) de produits imprimés présentant chacun un bord surélevé, sont enveloppées de telle façon que les côtés de la pile où se trouvent les bords surélevés, sont entièrement recouverts par l'enveloppe (4) et ainsi bien protégés. Lesdites piles (1) étant instables dans une direction perpendiculaire aux bords surélevés, les piles (1) sont éjectées, parallèlement aux bords surélevés, d'un puits de piles (20) dans lequel elles sont constituées, directement entre les fourches (12 et 13) d'une paire de fourches (12/13). La pile (1) est serrée entre les fourches (12 et 13) la paire de fourches (12/13) contenant la pile serrée (1) est guidée à travers un rideau (14) d'un matériau enveloppe. Ensuite, le matériau d'enveloppe est fermé autour de la paire de fourches (12/13) et autour de la pile (1) et la pile enveloppée (1/4) est, après la création de l'enveloppe (4), séparée de la paire de fourches (12/13) par un mouvement de la paire de fourches (12/13) par rapport à la pile (1/4) puis évacuée.

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