Abstract: There is provided a filter for a smoking article. The filter comprises a filter segment comprising filter material, and the filter segment has a cross sectional area measured perpendicular to the longitudinal direction of the filter. The filter further comprises a flavour delivery member embedded in the filter segment and surrounded on all sides by the filter material. The flavour delivery member comprises structural material enclosing liquid flavourant for flavouring smoke during smoking of a smoking article provided with the filter, and the flavour delivery member releases at least a portion of the liquid flavourant when the filter is subjected to external force. The cross sectional area of the flavour delivery member measured perpendicular to the longitudinal direction of the filter is about 30% of the cross sectional area of the filter segment or greater.

Abstract: A capsule (120) for use in a smoking article includes a liquid sensory enhancing material; and a shell surrounding the liquid sensory enhancing material. The shell has an outer surface rendered hydrophobic by hydrophobic groups covalently bond to the outer surface of the shell. The shell may be rendered hydrophobic by reacting hydroxyl groups at outer surface of the shell with fatty acid halides to covalently attach fatty acid moieties to the surface of the capsule.

Abstract: A smoking article (10) comprises: a tobacco rod (12); a filter (14) in axial alignment with the tobacco rod, the filter (14) comprising: a hollow tube segment (22) having a wall thickness of no more than 0.9 mm; and a filtration portion upstream of the hollow tube segment (22), the filtration portion comprising one or more filter segments (18) (20). The hollow tube segment (22) defines a cavity (26) at the mouth end of the filter (14) providing an unrestricted flow channel that extends from the downstream end of the filtration portion to the mouth end of the filter (14). The hollow tube segment (22) is formed from a fibrous filtration material and comprises a filter plasticiser, wherein the amount of filter plasticiser is at least 22 percent by weight of the fibrous filtration material.

Abstract: A consumable product for use in an aerosol generating device is disclosed, the consumable product comprising a foam matrix (302); and a packaging element housing the foam matrix; wherein the packaging element is configured to hold the foam matrix in a first, compressed, configuration prior to use of the consumable product in an aerosol generating device, the packaging element having a first sacrificial seal, wherein upon opening the first sacrificial seal the packaging element holds the foam matrix in a second, less compressed, configuration.

Abstract: There is provided an aerosol-generating article (10) comprising an aerosol-generating substrate (12) and a mouthpiece (14) secured to a downstream end of the aerosol-generating substrate (12). The mouthpiece (14) comprises at least one segment of filter material (18) and a liquid delivery element (22). The liquid delivery element (22) comprises an upstream end and a downstream end, a cavity (28) containing a liquid, and at least one channel (26) extending between the upstream end and the downstream end of the liquid delivery element (22). The liquid delivery element (22) is arranged to deliver the liquid to the at least one segment of filter material (18) when activated by a consumer.

Abstract: A tube (10) for temporary affixment to a mouthpiece of a smoking article (80), the tube (10) comprising an open upstream end, an open downstream end, an outer surface, and an inner surface defining a lumen for receiving the mouthpiece of the smoking article, the lumen extending from the open upstream end to the open downstream end; the tube further comprising a first ventilation zone (50) for providing ventilation into the lumen of the tube, the first ventilation zone comprising a first line of perforation holes (52) circumscribing the tube at a location at least 10 mm from the open downstream end of the tube.

Abstract: A filter part (1) for use in an aerosol generating article and a method of manufacturing the filter part (1). The filter part (1) includes an aerosol permeable core (11) surrounded by a sleeve (12). The sleeve (12) is formed of linear, axially oriented fibres and the core (11) is formed of expanded, randomly oriented fibres. The method includes forming two or more strips (2a, 2b) into segments surrounding a conveying path, bringing the segments together into a sleeve former (7) to form the sleeve (12) and introducing loose fibres (52) between the segments upstream of the sleeve former (7) such that they are drawn therein in a random orientation and compressed between the segments as they are brought together to form a filter rod (8) with an aerosol permeable core (11) within the sleeve (12). The filter rod (8) is then cut to form the filter part (1).

Abstract: A filter part (1, 1?) for use in an aerosol generating article and a method of manufacturing the filter part (1, 1?). The filter part (1, 1?) includes an aerosol permeable core extrusion (2) surrounded by a sleeve (3) formed of predominantly linear, axially oriented fibres. The method includes forming two or more strips (4a, 4b) into segments surrounding a conveying path, bringing the segments together into a sleeve former (7) to form the sleeve (3) and introducing an aerosol permeable core extrusion (80) between the segments upstream of the sleeve former (7) and bonding the segments together to form a sleeve surrounding the core extrusion (80), thereby forming a filter rod (9). The filter rod (9) is then cut to form the filter part (1, 1?).

Abstract: A filter part (1, 1?) for use in an aerosol generating article and a method of manufacturing the filter part (1, 1?). The filter part (1, 1?) includes an aerosol permeable core (2) within a sleeve (3) formed integrally therearound. The core (2) is shorter than the integrally formed sleeve (3). The method includes conveying a plurality of aerosol permeable cores (2) along a conveying path at a first speed (S1) and forming a sleeve (3) around each core (2) at a second speed (S2). The second speed (S2) is greater than the first speed (S1) to generate a space between consecutive cores (2) within the sleeve (3).

Abstract: A smoking article (10) comprises a tobacco rod (12) and a mouthpiece (14) secured to a downstream end of the tobacco rod (12), the mouthpiece comprising: a tubular element (20) defining a longitudinal channel, wherein the tubular element (20) is provided adjacent the downstream end of the tobacco rod (12); a downstream segment of filter material (24), wherein the downstream segment of filter material (24) is downstream of the tubular element (20) and spaced apart from the tubular element (20) to define a cavity (26) between the tubular element (20) and the downstream segment of filter material (24); and an extinguisher element (22).

Abstract: 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), and the hollow tubular segment (24) comprises a hollow tube (31) of fibrous material, and a polymeric film (35) secured to the inner surface (311) of the hollow tube (31).

Abstract: An aerosol-generating article (10) comprises: an aerosol-generating substrate (12); and a mouthpiece (14) in axial alignment with the aerosol-generating substrate (12), the mouthpiece comprising an additive segment (18) of filtration material comprising one or more breakable capsules (22), each breakable capsule (22) comprising an outer shell and an inner core containing an additive. The additive segment (18) of filtration material is spaced downstream from the aerosol-generating substrate (12) to define an upstream cavity (24) between the aerosol-generating substrate (12) and the additive segment (18) of filtration material, wherein the upstream cavity is substantially unfilled. A wrapper (26) circumscribes the additive segment (18) of filtration material and the upstream cavity (24).

Abstract: There is provided a smoking article comprising an aerosol generating substrate and a mouthpiece attached to the aerosol generating substrate. The mouthpiece includes a segment comprising a filtration material comprising polylactic acid, and an additive for reducing phenols. The mouthpiece further comprises one or more wrappers circumscribing the segment, the one or more wrappers have a combined basis weight of at least about 50 grams per square metre (gm-2).

Abstract: A smoking article assembly (100) comprising a smoking article (80), and a tube (10) for temporary affixment to the smoking article. The smoking article comprises a tobacco rod, and a mouthpiece comprising a filter and a tipping wrapper, the tipping wrapper circumscribing the filter and attaching the filter to the tobacco rod. The tube is configured to be disposed around at least a portion of the mouthpiece such that the tube is slidable over the outer surface of the tipping wrapper. The tube comprises an open upstream end; an open downstream end; an outer surface; and an inner surface defining a lumen for receiving the mouthpiece of the smoking article, the lumen extending from the open upstream end to the open downstream end. The coefficient of static friction between the inner surface of the tube and the outer surface of the tipping wrapper may be between about 0.5 and about 0.9.

Abstract: There is provided a smoking article comprising an aerosol generating substrate and a mouthpiece attached to the aerosol generating substrate. The mouthpiece includes a segment comprising a filtration material comprising polylactic acid, and an additive for reducing phenols. The mouthpiece further comprises one or more wrappers circumscribing the segment, the one or more wrappers have a combined basis weight of at least about 50 grams per square metre (gm-2).

Abstract: There is provided a filter for a smoking article. The filter comprises a filter segment comprising filter material, and the filter segment has a cross sectional area measured perpendicular to the longitudinal direction of the filter. The filter further comprises a flavour delivery member embedded in the filter segment and surrounded on all sides by the filter material. The flavour delivery member comprises structural material enclosing liquid flavourant for flavouring smoke during smoking of a smoking article provided with the filter, and the flavour delivery member releases at least a portion of the liquid flavourant when the filter is subjected to external force. The cross sectional area of the flavour delivery member measured perpendicular to the longitudinal direction of the filter is about 30% of the cross sectional area of the filter segment or greater.

Abstract: An aerosol-generating article (10) includes a mouthpiece (14) comprising at least one segment of filter material (18,20) and a liquid delivery element (22). The liquid delivery element (22) comprises: an upstream end and a downstream end; a double-walled annular body portion (28) comprising: an inner wall (34) defining a longitudinal channel (38) extending through the liquid delivery element (22); and an outer wall (32) integrally formed with the inner wall (34), the outer wall (32) circumscribing the inner wall (34) such that a cavity (36) is defined between the outer wall (32) and the inner wall (34), the cavity (36) having an opening in at least one of the upstream end and the downstream end and containing a liquid; and annular sealing means (40) inserted between the inner wall (34) and the outer wall (32) of the annular body portion (28) to provide a liquid tight seal at the opening or openings of the cavity (36).

Abstract: There is provided a filter (103) for a smoking article (100). The filter (103) comprises a filter segment (201) comprising filter material, and the filter segment (201) has a cross sectional area measured perpendicular to the longitudinal direction of the filter (103). The filter further comprises a flavor delivery member (205) embedded in the filter segment (201) and surrounded on all sides by the filter material (203). The flavor delivery member (205) comprises structural material enclosing liquid flavorant for flavoring smoke during smoking of a smoking article provided with the filter (103), and the flavor delivery member (205) releases at least a portion of the liquid flavorant when the filter (103) is subjected to external force. The cross sectional area of the flavor delivery member (205) measured perpendicular to the longitudinal direction of the filter (103) is about 30% of the cross sectional area of the filter segment (201) or greater.

Abstract: A capsule (120) for use in a smoking article includes a liquid sensory enhancing material; and a shell surrounding the liquid sensory enhancing material. The shell has an outer surface rendered hydrophobic by hydrophobic groups covalently bond to the outer surface of the shell. The shell may be rendered hydrophobic by reacting hydroxyl groups at outer surface of the shell with fatty acid halides to covalently attach fatty acid moieties to the surface of the capsule.

Abstract: A smoking article (10) comprises: a tobacco rod (12); a filter (14) in axial alignment with the tobacco rod, the filter (14) comprising: a hollow tube segment (22) having a wall thickness of no more than 0.9 mm;and a filtration portion upstream of the hollow tube segment (22), the filtration portion comprising one or more filter segments (18) (20). The hollow tube segment (22) defines a cavity (26) at the mouth end of the filter (14) providing an unrestricted flow channel that extends from the downstream end of the filtration portion to the mouth end of the filter (14). The hollow tube segment (22) is formed from a fibrous filtration material and comprises a filter plasticiser, wherein the amount of filter plasticiser is at least 22 percent by weight of the fibrous filtration material.