Pleated package having a reinforced central region with pre-expanded pleats

摘要

PCT No. PCT/FR96/00813 Sec. 371 Date Nov. 25, 1997 Sec. 102(e) Date Nov. 25, 1997 PCT Filed May 31, 1996 PCT Pub. No. WO96/38347 PCT Pub. Date Dec. 5, 1996A package made from a flexible pleated sheet with a central region reinforced by the addition of a second pleated sheet. Folding and unfolding is made easier by having a central area with semi-extended pleats with a side area having flattened pleats.