Pile comprising a plurality of filter paper sheets

Details Pile comprising a plurality of filter paper sheets Pile comprising a plurality of filter paper sheets

B - Operations, Transporting

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B01D 39/14 (2006.01) A47J 31/08 (2006.01) B65D 57/00 (2006.01) B65H 3/30 (2006.01)

Patent

CA 1214401

-1- ABSTRACT OF THE DISCLOSURE If a plurality of essentially circular sheets of filter paper are stacked in a pile, the individual sheets have a tendency to stick to each other rendering it difficult to remove the topmost sheet from the pile. To overcome this inconvenience, it is pro- vided that adjacent sheets within the pile have a different contour, e.g. by providing every second sheet with a protruding tongue arranged at the circumferential edge thereof. All the intermediate sheets either do not have such tongue or are provi- ded with a recess arranged anywhere along their circumferential edge.

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