FIELD: tobacco industry.
SUBSTANCE: invention relates to a tobacco smoking filter or filter element that contains a cylindrical core made of essentially homogenous filtering material with the circumference equal to 14.0-23.2 mm, the essentially homogenous filtering material containing a large quantity of staple fibres that are randomly oriented in the three coordinates.
EFFECT: ensuring improved filtration.
17 cl, 3 dwg
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|
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Authors
Dates
2014-01-20—Published
2009-01-23—Filed