Extensible and compressible honeycomb web with tubular cell units

摘要

Each cell unit (12) comprises an inner tubular cell embedded in an outer tubular cell. The cell units are fixed above each other and each has a front (16) and back (18) side. Each cell unit is formed of a foldable, bendable material (14). At least one of the front and back sides of each cell unit consists of several layers of plastic material.