Vacuum box for packing e.g. liquid substance, has tight closing system made by embedding of overflow cover in upper part of box without compressing contents of box, and compressible gusset connected with box

摘要

The box (3) has a tight closing system made by embedding of overflow cover (1) in an upper part (2) of the box without compressing contents of the box. Two flexible stoppers are placed at an end of the box for supporting a compressed part of the box. A compressible gusset is connected with the box.