Cardboard packaging case for material rolled on spool comprises extension tabs attached to base that are folded to form frames supporting ends of spool.

摘要

The case is made from corrugated cardboard. It has a base (1) two longitudinal side walls (2) and one upper face (3) that are defined by fold lines. Extension tabs are formed from the end of the base to form a parallelepiped frame. The internal side wall has a circular hole formed in it (15) to engage one end of the spool. Each frame has a face that is in contact with the base of the case and the interior is in contact with the upper face.