Inter layer sheet for packing objects

摘要

The inner layer sheet (2) is made up of a rigid or semi-rigid element (3) with a certain resistance over its plane surface.The rigid element is placed between two layers of compressible and flexible material (4) such as synthetic foam. The foam layers are removable to allow for changing when it has deteriorated. The layers are attached both along their edges and at various points over their surfaces, leaving openings in the rigid element.