Device and method for forming a box from a blank

Details Device and method for forming a box from a blank Device and method for forming a box from a blank

B - Operations, Transporting

31

B

B31B 3/28 (2006.01)

Patent

CA 2196699

Method and device (1) for forming a box (2) from a blank (3) of sheet material including means (8, 9, 10, 12, 13) for storing several blanks in a stack, means (14, 15, 21) for gripping and shifting the blanks one by one to a blank- prefolding mandrel (16). The prefolding mandrel (16) disposed at the outlet of the blank storage means (10) is associated with the prefolding means (33). The invention also comprises means (23, 25) for conveying the prefolded blank from the prefolding mandrel to a final folding mandrel (24), and blank coating means (42), the final folding mandrel (24) comprising a lower side. The device includes means (38) for compressing the intermediate blank flap onto the lower side (65) of the final folding mandrel.

Il s'agit d'un procédé et d'un dispositif (1) pour la réalisation d'une caisse (2) à partir d'un flan (3) de matière en feuille comportant des moyens (8, 9, 10, 12, 13) de stockage de plusieurs flans en pile, des moyens (14, 15, 21) de préhension et de déplacement un par un desdits flans vers un mandrin (16) de prépliage desdits flans, ledit mandrin (16) de prépliage, disposé sur la sortie des moyens (10) de stockage desdits flans et associé à des moyens (33) de prépliage, des moyens (23, 25) de transfert du flan ainsi préplié du mandrin de prépliage à un mandrin (24) de pliage définitif, des moyens (42) d'encollage du flan, et ledit mandrin (24) de pliage définitif comprenant une face inférieure. Le dispositif comporte des moyens (38) de plaquage du volet intermédiaire du flan sur la face inférieure (65) du mandrin de pliage définitif.

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