Patent ID: 9033183
Filing Date: 2015-05-19
Classification: B65D

Abstract:
1. An extension frame of thermoplastic material for enlarging a load volume of a transport box or for equipping a pallet to form a container, comprising: two long sides; two collapsible transverse sides; hinges with a hinge axis provided between the long sides and the transverse sides; an angle piece integrally formed on one of the transverse sides or on one of the long sides and having a free end, each hinge is formed by the free end of the angle piece and a free end of an adjacent one of the long side or transverse side, said free end of the angle piece and said free end of an adjacent one of the long or transverse side forming locking elements at the hinge axis, such that each hinge having in each of an open state and a collapsed state a locking position in which the long side and the adjacent transverse side are engageable.