Semi-rigid packaging comprises two vertical side walls, upper and lower horizontal walls hinged by folding lines, each vertical wall has inward foldable pieces

摘要

The packaging comprises two vertical side walls (32,36), upper horizontal walls (40,44,48,52) and lower horizontal walls which are hinged on the vertical walls by upper (12) and lower folding lines. On each of the vertical walls are foldable pieces (58,60) which extend along the folding lines and can be folded inside the packaging when it is subjected to a vertical compression.