Cardboard packaging comprises two internal and two external hinged flaps, external flaps comprising part hinged on itself and projecting tongues from internal flap walls engaged between external flaps and their hinged parts

摘要

The packaging comprises two internal flaps (4) hinged by folding back on two parallel walls (2) and two external flaps (3) hinged by folding back on two walls (1) perpendicular to the others. The external flaps comprise a part (5) hinged on themselves by folding against the face of the flaps turned to the inside of the packaging. Tongues (7) projecting from the walls to which the internal flaps belong are engaged between the external flaps and their hinged parts to lock them in position.