Package made from unitary blank - has depending flanges with rounded cut=outs providing flexibility and oblique bending line on cover and base

摘要

The package of corrugated cardboard has a base and a cover and sides with cut-outs and bending lines. Certain bending lines (5,6) form the ends and oblique (8) or parallel (7) bending lines help to support the cover. The cover includes some deformation of vertical walls (2,3) and the larger face (1). The angle return pieces (2a,2b) of adjacent vertical faces (2) are stuck on a vertical wall (3). One part of the cut out in the blank is rounded (9) near an intersection to give extra flexibility for the deformation process.