Spunbond cigarette filter

Details Spunbond cigarette filter Spunbond cigarette filter

D - Textiles, Paper

04

H

D04H 1/56 (2006.01) A24D 3/02 (2006.01) A24D 3/04 (2006.01) A44B 18/00 (2006.01) A61F 13/62 (2006.01) D04H 3/16 (2006.01) D04H 13/00 (2006.01)

Patent

CA 2116481

ABSTRACT OF THE DISCLOSURE A filter made from a nonwoven spunbond web comprising a plurality of continuous intertwined filaments, each filament having a diameter of about 25 to about 100 microns, predominantly present in the web as loop springs having diameters of about 1 to 3 millimeters. The web is made from a plurality of spunbond filaments laid randomly onto a moving belt. The webs of the present invention find particular utility when formed into cylinders as filters for smoking articles. In the smoking articles, the filters of the invention have a desirable degree of firmness while demonstrating an acceptable pressure drop.

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