Packaging case comprising tamperproof means

摘要

The blank (1) has tamperproof seal unit (3) with stubs (19a, 19b) having pivoting lines (20a, 20b) that present a curvature ensuring self locking elastic resistance function. Each stub has a free edge extending in a direction (D1) and turned towards a base lateral wall (6). The edge has a section that is situated in extension of a folding line (12) corresponding to a side lateral wall (8a), without offset or lateral set back. The section moves against an inner side of a folding line (15) of the wall (6) and an end closing flap (14) ensuring a self locking anti push resistance function. Independent claims are also included for the following: (1) an open case constituted by a flange (2) a case and contents assembly.