| 摘要 |
The present invention concerns a device, an arrangement and a method for opening or separating two closely joined sheets of flexible material, e.g. sheet pieces and folded pieces of film or paper, by applying vacuum on the opposite outer sides of these joined sheets. Typically, the case is opening different packing wrappers or large bags or envelopes, which are to be opened for receiving inserts, e.g. diverse advertisement prints, and which are to be handled with great reliability and rather large capacity, e.g. 5,000 to 25,000 pcs. per hour.
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