According to an embodiment of the present disclosure, there is provided a smoking article including a smoking material portion which is wrapped with a smoking material wrapper, a filter portion which has an upstream end combined with the smoking material portion and is wrapped with a filter wrapper, and a tipping paper which is wrapped around at least a partial region of the smoking material portion and the filter portion so that the smoking material portion and the filter portion are combined, wherein the tipping paper is coated with an overprint (OP) coating solution in which at least one functional material and an OP auxiliary agent which enhances the solubility of the at least one functional material are added to an OP ink.

A method of designing a target combustible tobacco product, the method comprising receiving respective values for a plurality of input parameters (101); calculating respective values for a plurality of design parameters (130) for the combustible tobacco product based on the received values for the plurality of input parameters, and providing the calculated values as an output. The plurality of design parameters comprise at least two parameters selected from: a tobacco blend composition; tar, nicotine and carbon monoxide deliveries; a smoke sensory attribute; a number of puffs associated with the combustible tobacco product; combustible tobacco product dimensions; tobacco weight; tobacco rod and/or filter density; tobacco rod and/or filter firmness; open and/or closed combustible tobacco product pressure drop; filter pressure drop; cigarette paper porosity; and ventilation level.

An elongated smoking article is described that comprises a cylindrical smoking body with a combustible material and a hollow bore filter element downstream to the cylindrical smoking body. The hollow bore filter element comprises a first base area facing the smoking body and a second base area opposite the first base area and a hollow bore extending from the first base area to the second base area. The elongated smoking article further comprises a filter membrane that is arranged between the smoking body and the hollow bore filter, that comprises at least one filter aperture aligned with the hollow bore, that is configured for filtering particles emitted by the heated smoking body, that is permeable for vapor emitted by the heated smoking body and has an effective size between 0.5 μm and 1.5 mm.

An aerosol-generating article (10) comprising: an aerosol generating substrate (12); and a mouthpiece (14) disposed downstream of the aerosol-generating substrate (12). The mouthpiece (14) comprises a hollow tubular segment (24) at its downstream end defining a mouth end cavity (40). The hollow tubular segment (24) comprises a hollow tube (31) of crimped fibrous material, and a plurality of non-crimped fibers (35) extending along and affixed to the inner surface (311) of the hollow tube (31).

This smoking article filter (4) has: a fine-powder-containing article (44) in which there is clumped together a raw powder that includes a taste component and/or an aroma component, the fine-powder-containing article being formed into a fine powder by the application of an external force; a cavity (43) in which the fine-powder-containing article is disposed; and a straightening member (40) provided in a connected row arrangement upstream of the cavity, the straightening member straightening the flow of a main smoke flow, which flows from upstream, to the cavity.

An aerosol-generating article (10) comprising: an aerosol generating substrate (12); and a mouthpiece (14) disposed downstream of the aerosol-generating substrate (12). The mouthpiece (14) comprises a hollow tubular segment (24) at its downstream end defining a mouth end cavity (40). The hollow tubular segment (24) comprises a hollow tube (31) of crimped fibrous material, and a plurality of non-crimped fibers (35) extending along and affixed to the inner surface (311) of the hollow tube (31).

The present invention relates to a smoking article comprising a tobacco rod, a filter comprising at least one plug of filtration material wrapped with one or more filter wrappers, and a tipping material attaching the tobacco rod and the filter, wherein the one or more filter wrappers have a basis weight of more than 32 grams per square metre and less than 50 grams per square metre.