Machine for forming cardboard boxes from blanks folded flat

Details Machine for forming cardboard boxes from blanks folded flat Machine for forming cardboard boxes from blanks folded flat

B - Operations, Transporting

31

B

93/67

B31B 1/78 (2006.01) B31B 5/80 (2006.01)

Patent

CA 1273520

ABSTRACT OF THE DISCLOSURE A machine is provided for forming three-dimensional cardboard boxes starting from a blank folded flat. The machine has a supporting frame which includes a magazine containing many flat blanks for taking one blank at a time from the magazine. The machine is capable of opening the blank, closing the lower smaller flaps of the blank, closing the lower larger flaps, and ejecting a formed box. The lower smaller flaps are closed virtually simultaneously with the opening of the blank in such a manner so as to prevent interference by the smaller flaps with the asjacent larger flaps and thus facilitate closing of the smaller flaps. The opening mechanism rotates around pins, each located at a corner of a box to be formed. At least one of the rotation pins is adjustable in position. Retractable suction cup members make up the opening mechanism.

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