| 摘要 |
Method and machine for the production of a polygonal box from a blank (1) of sheet material comprising a set of panels (2, 3, 4, 5). …<??>According to the invention:… - the said set of panels (2 to 5) is rolled about a mandrel having a polygonal cross section;… - the tongue (9) is fixed to the free edge (19) of the end panel (5);… - the flaps (11.2 to 11.5) on the same side as the said panels (2 to 5) are folded; and… - the said flaps (11.2 to 11.5) thus folded are fixed to each other. …<??>Manufacture of American boxes. …<IMAGE>… |
