| 摘要 |
FIELD: tobacco industry.SUBSTANCE: invention relates to a smoking article filter. Smoking article filter includes filtering material; element containing additive for selective release of additive in filter material; and an element for transfer of additive, extracted from element containing additive to outer surface of filter to indicate release of additive, wherein element for transfer of additive is formed from absorbent material adapted to absorb additive faster than filtering material, and outer surface of filter is area element for transfer of additive.EFFECT: technical result of invention is easy release of additive by user from component which releases additive, as and when it is required, with well controlled release process and indication of process of release of additive.18 cl, 8 dwg |
