Patent ID: 7188834

Claim:
A process for grouping a multiplicity of films or sheets consisting of the same material, having the same size and being gas-impermeable at the beginning of the process, which comprises: (a) providing at least every second of said films or sheets following on each other on a conveyer device with at least one gas-permeable zone, (b) conveying said films or sheets to a magazine, (c) stacking said films or sheets therein that way, that at least one film or sheet with at least one gas-permeable zone is followed by a film or sheet without any gas-permeable zone, (d) removing said films or sheets from said magazine by means of at least one suction apparatus in a clocked way, wherein one film or sheet having at least one gas-permeable zone lies with at least one gas-permeable zone directly on said suction apparatus, (e) attracting by suction through said gas-permeable zone of said film or sheet the next farthest away stacked film or sheet having no gas-permeable zone, and (f) removing at least one film or sheet having at least one gas-permeable zone together with a film or sheet having no gas-permeable zone as a bundle from said magazine.