Method for producing cigarette filters and the filters obtained

Details Method for producing cigarette filters and the filters obtained Method for producing cigarette filters and the filters obtained

A - Human Necessities

24

D

131/80

A24D 3/00 (2006.01) A24D 3/02 (2006.01)

Patent

CA 1092932

- 6 - ABSTRACT The method produces cigarette or cigar filters from a fibrous sheet comprising a mixture of artificial fibers such as fibers of cellulose acetate and fibers of natural cellulose. Artificial fibers capable of being plasticized are employed, a specific plasticizer of the material constituting said fibers is applied on this layer. This plasticizer creates, after the shaping of the sheet into a cylindrical roll, an interfiber connection network in the artificial fibrous texture of the sheet on which there is superposed a second interfiber connection network between the contacting zones of the sheet shaped into a fil- tering roll.

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