Method and unit for folding packing blanks along preformed bend lines

摘要

A method and unit for folding packing blanks along preformed bend lines defining, on each blank, a central panel, and two lateral panels located on either side of the central panel and each having at least one foldable tab; a clamping device and a folding device being provided, and cooperating with each other to fold the lateral panels and the respective tab while maintaining the respective blank clamped in a folding position in which the central panel of the blank is clamped rigidly between a plate of the clamping device and a large lateral surface of a product to be packed by means of the blank.