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US 12,733,676 B2Granted
Radially firm smoking article filter
AssigneePhilip Morris Products S.A.
InventorsCharles Kuersteiner, Alen Kadiric, Martha Martha, Nicolas Cusnir
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Abstract
There is provided a smoking article comprising a tobacco rod, a filter and tipping material attaching the tobacco rod and the filter. The filter comprises a plug of filtration material that defines a downstream end segment of the smoking article, the plug being surrounded by one or more filter wrappers. The hardness of the smoking article at the downstream end segment is at least about 90%, and the filtration material extends to the furthest downstream end of the filter.
Claims19
A smoking article comprising:
- a tobacco rod;
- a filter comprising a plug of filtration material, the plug being surrounded by one or more filter wrappers;
- and
- tipping material attaching the tobacco rod and the filter;
- wherein a hardness of the smoking article at the filter is at least about 90%;
- wherein the one or more filter wrappers have a basis weight between about 50 grams per square meter and about 100 grams per square meter;
- and
- wherein ovality of a furthest downstream end of the smoking article, after a 50% deformation of the furthest downstream end of the smoking article, is less than about 25%.
5 more elements
Dependencies are inferred from the claim text.