Packing container of foldable material has bottom with inward bulge between two opposite side walls

摘要

The packing container is made of a foldable material such as paper, cardboard or plastic. It has at least four side alls opposite each other in pairs, and a bottom (4), which is between two opposite side walls (2) and has a bulge directed towards the inside of the container between the side walls and covering 1-5% of the spacing between the side walls.