Abstract: The present invention relates to an elongated smoking article (100) that extends in a longitudinal direction (L). The elongated smoking article (100) comprises a heatable tobacco material (11) and a filter element (20) aligned with the smoking body (10). The filter element (20) has at least one filter portion (30) and at least one hollow section (40), wherein the at least one hollow section (40) is disposed between the smoking body (10) and at least one of the at least one filer portion (30). The filter element (20) is sheathed by a tipping paper (50) together with the smoking body (10). The filter portion (30) comprises a material for reducing unwanted substances from an aerosol and a hollow section (40) has a barrier layer (51) disposed on its inner surface (41) and a carrier layer (52) disposed on the barrier layer (51). The carrier layer (52) contains a volatile additive (80) and the barrier layer (51) is impermeable to the volatile additive (80).

Abstract: A non-combustible aerosol provision system includes an article comprising a rod of aerosol generating material having a circumference greater than 19 mm and a non-combustible aerosol provision device for heating the aerosol generating material of the article, the non-combustible aerosol provision device comprising a coil.

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). 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).

Abstract: An inhaler article includes a body extending along a longitudinal axis from a mouthpiece end to a distal end with an endpiece element at the distal end. A capsule cavity is defined within the body and extends along the longitudinal axis. A mouthpiece air channel extends from the capsule cavity to the mouthpiece end. A vortex tunnel is between the endpiece element and the capsule cavity. The vortex tunnel has an air inlet and an air passageway extending from the air inlet to the capsule cavity. The endpiece element is configured to restrict or prevent airflow through the distal end to the capsule cavity and the air inlet and air passageway of the vortex tunnel are configured to enable air to be drawn into the capsule cavity and form a vortex of inhalation air through the capsule cavity.

Abstract: A tobacco smoke filter or filter element comprising a stiff outer wrapper engaged around a downstream thermoformed core of tobacco smoke filtering material and a further core longitudinally aligned therewith; the downstream thermoformed core having a profiled outer surface which defines with the stiff outer wrapper at least one longitudinally extending channel which extends the length of the downstream core.

Abstract: A method of generating an aerosol in an aerosol-generating system includes storing liquid aerosol-forming substrate in a liquid storage portion and delivering via a pump a liquid aerosol-forming substrate from the liquid storage portion to an atomizer. The method also includes sensing a puff via a a puff sensor in an airflow path of the aerosol-generating system and determining a puff intensity during the puff via a controller. The delivery flow rate of the liquid aerosol-forming substrate to the atomizer is adjusted in response to the determined puff intensity.

Abstract: A filter segment for use in a filter of a smoking article includes a substrate loaded with at least one smoke-modifying agent. The substrate is located within the body of the filter segment and is formed from filter plug wrap having an air permeability ranging from about 6,000 Coresta units to about 24,000 Coresta units.

Abstract: A flow delivery article (1) comprises a flow control component (5) configured to provide at least one flow during a draw on the flow delivery article (1), said at least one flow comprising a respective plurality of flow peaks.

Abstract: A filter (11) for a smoking article (10) comprises a first flowpath (13) through the filter, a second flowpath (14) through the filter, the second flowpath being disposed around the first flowpath, and a selector (16) for allowing flow selectively through the first and second flowpaths.

Abstract: A filter (11) for a smoking article (10) comprises a first flowpath (13) through the filter, a second flowpath (14) through the filter, the second flowpath being disposed around the first flowpath, and a selector (16) for allowing flow selectively through the first and second flowpaths.

Abstract: A system (100) and method for managing communication session is provided. The system includes a mobile node (104) that is communicably coupled to a first communication network (102). Further, the system includes a first proxy-relay (108). The first proxy-relay is communicably coupled to the first communication network and performs one or more functions on behalf of the mobile node. The system also includes a first policy-profile repository (106) that is communicably coupled to the first communication network. The first policy-profile repository stores a first set of policy-profile definitions describing a first set of services in the first communication network that the mobile node is allowed to access and a first set of rules describing discovery preferences for the mobile mode.

Abstract: A smoking article such as a filter cigarette includes a rotary flow control device (2) in its filter assembly that comprises first, second and third body portions (3, 4, 5). The first body portion (1) contains a plug (6) of filter material and is attached to a tobacco rod (1). The second portion (4) contains different smoke flavorants in different sectors (18), which can be aligned by manual rotation individually with a smoke flow passageway (13, 35) to impart different flavors to the smoke that passes to the mouth of the consumer. The second body portion (4) is rotated through the agency of the third body portion (5). First and second ratchet mechanisms (14,19; 20, 24) are disposed between the second body portion (4) and the first and third body portions respectively to allow assured rotation of the second portion to select individual flavorants for the smoke passing to the consumer.

Abstract: A filter (11) for a smoking article (10) comprises a first flowpath (13) through the filter, a second flowpath (14) through the filter, the second flowpath being disposed around the first flowpath, and a selector (16) for allowing flow selectively through the first and second flowpaths.

Abstract: A tobacco filter which can easily produce a hand-rolled cigarette, can suppress excessive heat conduction to a smoker's lips, and can suppress spoiling of tobacco taste during smoking is provided. A tobacco filter for producing a hand-rolled cigarette by wrapping at least a portion thereof together with a smoking plant with a wrapping paper has an outer surface on which grooves are formed and a smoke channel. The tobacco filter is made of an incombustible material. A surface area of an outer surface of the tobacco filter is increased due to the formation of the grooves so that the tobacco filter can be efficiently cooled and the excessive heat conduction to a smoker's lips can be suppressed. In wrapping the tobacco filter with the wrapping paper, inward folding lines are formed on the wrapping paper by corner portions of the tobacco filter.

Abstract: A smoking article includes a monitor monitoring a smoke delivery from a cigarette or a physical quantity correlated with the smoke delivery, a regulating mechanism regulating the smoke delivery, and a control unit controlling the regulating mechanism depending on the smoke delivery.

Abstract: A smoking article having a cylindrical tube of smokable material having an outer wrapper, a concentric rod of smokable material coaxially positioned within the cylindrical tube of a smokable material, and an inner wrapper separating the cylindrical tube and the concentric rod. A filter attaches to the tobacco rod with an annular film positioned between the filter and the tobacco rod. The annular film increases the resistance-to-draw of the cylindrical tube during smoking.

Abstract: A filter for a cigarette comprises a porous filter rod (3) a material sheet (2) wrapped around the filter rod and a cellulose acetate thread (4) formed from substantially uncrimped cellulose acetate filaments. The cellulose acetate thread is positioned within the filter rod and extends along the central axis of the filter rod.

Abstract: A filter for a smoking article, which includes an upstream segment having a carbon filter and a downstream segment of filtering material. The upstream segment includes a carbon filter with a hollow tubular member concentrically positioned within the carbon filter, and one or more holes around an outer circumference of the hollow tubular member to allow mainstream smoke to bypass the carbon filter during the first puff. During use, the hollow tubular member has a lower resistance to draw than the carbon filter during an initial puff or puffs, and after the initial puff or puffs, mainstream smoke is drawn through the carbon filter.

Abstract: A smoking article such as a filter cigarette includes a rotary flow control device (2) in its filter assembly that comprises first, second and third body portions (3, 4, 5). The first body portion (1) contains a plug (6) of filter material and is attached to a tobacco rod (1). The second portion (4) contains different smoke flavourants in different sectors (18), which can be aligned by manual rotation individually with a smoke flow passageway (13, 35) to impart different flavours to the smoke that passes to the mouth of the consumer. The second body portion (4) is rotated through the agency of the third body portion (5). First and second ratchet mechanisms (14,19; 20, 24) are disposed between the second body portion (4) and the first and third body portions respectively to allow assured rotation of the second portion to select individual flavourants for the smoke passing to the consumer.

Abstract: A smoking article, which provides lower amounts of total particulate matter in a latter portion of its puff count, includes a cylinder of smoking material, a combustible hollow tube within the cylinder of smoking material, and a heat sink at a downstream end of the hollow tube. The smoking article also includes a filter system attached to the cylinder of smoking material having a sorbent material and at least one downstream segment of filtering material.

Abstract: A smoking article includes a tobacco rod adapted to produce mainstream smoke, and a filter having an upstream end and a downstream end, wherein the filter is arranged to receive mainstream smoke at the upstream end. The filter includes a tubular segment open at the downstream end thereof and a flow restrictor contained within the tubular segment. The filter is attached to the tobacco rod with tipping paper and includes an air-admissible ventilating zone at a location between the upstream end and the downstream end of the filter.

Abstract: A filter for a smoking article, which includes an upstream segment having a carbon filter and a downstream segment of filtering material. The upstream segment includes a carbon filter with a hollow tubular member concentrically positioned within the carbon filter, and one or more holes around an outer circumference of the hollow tubular member to allow mainstream smoke to bypass the carbon filter during the first puff. During use, the hollow tubular member has a lower resistance to draw than the carbon filter during an initial puff or puffs, and after the initial puff or puffs, mainstream smoke is drawn through the carbon filter.

Abstract: A filter cigarette with variable ventilation includes a rod of smokable material, a mouthpiece including an element rotatable relative to the rest of filter cigarette about the longitudinal axis thereof to vary the ventilation of the filter cigarette, and a ventilation indicator including a scale extending circumferentially about the periphery of the filter cigarette and a cursor. The scale is symmetric about the longitudinal axis of the filter cigarette and the cursor and the scale are rotatable relative to one another about the longitudinal axis of the filter cigarette. One of the cursor and the scale rotate with the rotatable element of the mouthpiece, the level of ventilation being indicated by the longitudinal distance between the cursor and a longitudinally aligned point on the scale.

Abstract: A tobacco smoke filter which has a tar retention of at most 50% and comprises a relatively high draw resistance downstream filtering plug of at most 50% tar retention, a relatively low draw resistance upstream filter plug of at most 22% tar retention spaced longitudinally upstream therefrom, and a filter wrapper engaging around and joining the spaced plugs to define a cavity therebetween.

Abstract: The invention provides a filter element of a smoking article having a longitudinal axis and adapted for filtration of mainstream smoke generated by the smoking article, the filter element including a first region extending along the longitudinal axis of the filter element and exhibiting a first pressure drop and a second region extending along the longitudinal axis of the filter element and exhibiting a second pressure drop lower than said first pressure drop, wherein the first and second regions are arranged in a side-by-side configuration such that both regions are visible in a cross-section of the filter element perpendicular to the longitudinal axis, and wherein mainstream smoke can move from the second region into the first region, and further comprising a smoke-altering material, such as an oxidation catalyst, positioned in the first region.

Abstract: A smoking article (10) has a filter (20) located at one end, the filter comprising at least first, second and third sections (34,41,51) disposed in succession along a cylindrical axis of the smoking article. Each of the first (31) and third (51) sections includes at least one tube (35,55) running the length of the respective section, substantially parallel to the cylindrical axis of the smoking article. The second section (41) comprises material of substantially higher filtration efficiency than the tubes (35,55) of the first and third section. Ventilation (43) may be provided around the circumference of the filter in one or more zones.

Abstract: A smoking article includes a rod of smokable material and a filter including a flow restriction element attached to the rod of smokable material. The flow restriction element includes a first upstream integral tubular portion, a second downstream integral tubular portion of substantially the same external diameter as the first tubular portion, and a third central integral tubular portion located between the first and second tubular portions. The third tubular portion is of reduced external diameter compared to the first and second tubular portions. A transverse barrier having at least one orifice therein is disposed between a first upstream cavity at least partially defined by an inner periphery of the first tubular portion and a second downstream cavity at least partially defined by an inner periphery of the second tubular portion. A ventilation zone in communication with the second cavity is also provided at a location along the filter.

Abstract: Disclosed is a method for forming an article with template shaped channels by (a) mixing a precursor with a fibrous template, (b) forming the mixture into a pre-determined shape, (c) curing the mixture to form a precursor composite, (d) carbonizing the precursor composite, and (e) decomposing the fibrous template to yield a shaped carbon article with template shaped channels.

Abstract: A connectable cigarette filter comprises a mouthpiece and a plurality of, or one to two, or two to three filter units connected with the mouthpiece. The mouthpiece is an inclined cylindrical body centrally provided with a stepped aperture. The stepped aperture has a front section formed as a sloped cavity. The inclined cylindrical body has a rear section whose outer surface is provided with a pair of planes. The filter unit is a stepped cylindrical body with a stepped through-hole comprising a large-diameter through-hole and a small-diameter through-hole. The front section of the stepped through-hole is formed as a sloped counterbore. The stepped cylindrical body has a rear section formed as a small-diameter, sloped cylindrical body which is shaped and sized according to the sloped counterbore, so that the small-diameter, sloped cylindrical body of one filter unit is insertable into the sloped counterbore of another filter unit.

Abstract: The disclosure relates to a filter cigarillo (1) which has tobacco (4), a filter (8) at the mouth end of the filter cigarillo (1), and a covering sheet (12) which extends over the whole length of the filter cigarillo (1). A banderole-like marking (14), which leaves free the mouth end (2) of the filter cigarillo (1), is disposed at the mouth half of the covering sheet (12). Preferably, below the covering sheet (12), the tobacco (4) is surrounded by a surround sheet (6), and the filter (8) is connected to the surround sheet (6) by means of a filter cover (10).

Abstract: A filtered cigarette includes a smokable rod and a filter element. The smokable rod is secured to the filter element using tipping material. The tipping material includes at least one flavorant providing a sensory characteristic. The cigarette may include more than one layer of tipping material. An outer layer of tipping material can overlie at least a portion of an underlying inner layer of tipping material, and during use by the smoker, the outer layer can be removed from the cigarette. Thus, it is possible for a cigarette manufacturer to provide a cigarette that can be used as such by the smoker, or that can be adapted by the smoker to provide a different sensory experience (e.g., the visual, organoleptic, trigeminal, aromatic, and tactile characteristics of the cigarette can be altered by removal of the outer tipping material, and or by provision of a tipping material layer that is treated with a flavorant and/or provides a desirable diffusivity).

Abstract: A smoking article includes a monitor monitoring a smoke delivery from a cigarette or a physical quantity correlated with the smoke delivery, a regulating mechanism regulating the smoke delivery, and a control unit controlling the regulating mechanism depending on the smoke delivery.

Abstract: A smoking article includes a tobacco rod adapted to produce mainstream smoke, and a filter having an upstream end portion and a downstream end portion. The filter includes a ventilated cavity and a flow restrictor segment having an impermeable insert at least partially surrounded by a tubular segment of an air transmissive material upstream of the cavity. In an embodiment, the tubular segment at least partially defines the cavity.

Abstract: The cigarette filter wrapper paper has a paper layer which has a first surface and a second surface. The filter wrapper paper exhibits a first overlap air permeability, measured when a perforated tip paper is overlapped on the first surface, and a second overlap air permeability, measured when a perforated tip paper is overlapped on the second surface. The first overlap air permeability is higher than the second overlap air permeability.

Abstract: A tobacco smoke filter comprising a porous substrate comprising dry water and a porphyrin dispersed therein. The porous substrate can further comprise microcapsules. The microcapsules can comprise one or more substances selected from the group consisting of chlorophyllin, methylcellulose, sodium pyroglutamate and a vegetable oil. The porous substrate can further comprise sodium pyroglutamate.

Abstract: The invention is a tar retention device for insertion in the smoke path of a cigarette between the point of combustion and the smoker. The device is comprised of a chamber with an inlet duct formed on the side of the point of combustion and outlet side facing the smoker. The inlet duct is narrower than the outlet duct and each duct tapers towards their respective ends inside of the chamber. The difference in dimensions of the inlet and outlet ducts creates a hypobaric action within the chamber causing the deposition of tar within the chamber.

Abstract: A filter for a cigarette and a filter cigarette which make a smoking feeling much milder without the original cigarette taste and aroma being spoiled are provided. The cigarette filter has a filter rod 8 having an air permeable peripheral surface, and 3 to 12 axial passages 12 in the rod 8. These passages 12 are distributed on a ring having a diameter of 50 to 70% of that of the rod and have a diameter of 0.1 to 0.7 mm. The wall of the axial passages 12 have air permeability. In smoking, ventilation air introduced into the passages 12 dilutes the smoke stream from the cigarette.

Abstract: A device for minimizing cigarette sidestream smoke and reducing the free-burn rate of a burning cigarette, the device comprises: I) a non-combustible tubular element (12) encasing an effective length of a tobacco charge (22) of a cigarette (14) located in a tubular element; and II) the tubular element having a means for both minimizing sidestream smoke emission from a burning tobacco charge and reducing free-burn rate of such burning tobacco charge to increase the number of puffs from the burning tobacco charge.

Abstract: A cigarette includes an ignition element in contact with tobacco, surrounded by a composite outer wrapper. The outer wrapper is impervious to oxygen causing the tobacco to extinguish between puffs. The ignition element, however, has a longer static burn time than the tobacco and remains smoldering between puffs. Upon a subsequent puff, the smoldering ignition element re-ignites the tobacco. One or more initially-occluded perforations in the outer layer maintain the uniformity in combustion of the tobacco and the ignition element.

Abstract: A cigarette sidestream smoke treatment material made from a sheet of non-combustible active components provides a porous structure capable of treating sidestream smoke. The treatment material, as used in combination with a cigarette, provides a low sidestream smoke emitting cigarette unit. The material has a porosity which encourages a conventional free-burn rate of a conventional cigarette. The material may comprise a sorbent capable of sorbing components of the sidestream smoke, and an oxygen storage component which releases oxygen at free-burn rate temperatures to ensure that conventional free-burn rate is maintained and to enhance the oxidation treatment of the adsorbed non-aqueous components. Preferably, an oxidation catalyst is included in the material and most desirably the oxygen storage component may also function as the oxidation catalyst. Particularly preferred materials which perform the dual function are oxides of cerium.

Abstract: A smoker's requisite for reducing the amount of smoke given off by the smouldering tip of a cigarette. The requisite consists of a rigid sleeve that may be slid along a cigarette and momentarily positioned over the smouldering tip thereof then withdrawn to enable the smoker to take a puff from the opposite end in a conventional way. The sleeve advantageously comprises a finger engaging gripping and supporting portion providing ventilation of the cigarette body, and a briar wood portion designed to be controllably moved over the smouldering tip.

Abstract: A tobacco smoke filter containing a porous substrate having dry water and microcapsules dispersed therein. The microcapsules contain at least one compound selected from the group consisting of chlorophyllin, methylcellulose, sodium pyroglutamate and a vegetable oil. The tobacco smoke filter can also contain one or more substances such as a porphyrin, and sodium pyroglutamate.

Abstract: The invention relates to a coaxial cigarette including a coaxial tobacco rod comprising a rod core, a rod core wrapping, a rod jacket and a rod jacket wrapping and a multi-part ventilated filter wherein the filter comprises a filter wrapping as well as at least two longitudinal segments of which at least one is a coaxial filter segment having a core element, a core element wrapping and a jacket element and wherein the ratio of the resistance to draw of the rod core to the resistance to draw of the rod jacket is greater than unity and preferably in the range of 2 to 4.

Abstract: The invention relates to a coaxial cigarette including a rod comprising a rod core, a rod core wrapping, a rod jacket and a rod jacket wrapping; and a filter comprising a filter core, a filter core wrapping, a filter jacket and a filter jacket wrapping, a smoke flow stopper being provided between the rod core and the filter jacket and/or the rod jacket and the filter core in the zone joining the rod core wrapping and filter core wrapping, the invention also relating to a method of producing such a cigarette.

Abstract: Smoking articles, cigarettes for example, having a tar delivery of not more than 6 mg a filter ventilation of at least 50% and a ventilation zone located not less than 75% of the length of the filter from the mouth and thereof exhibit enhanced mainstream smoke water-to-tar ratios.

Abstract: The invention refers to a ventilated filter cigarette comprising a tobacco rod, a wrapper for the tobacco rod and a filter ventilated through ventilation openings, including a coaxial filter element, comprising a filter core, a wrapper for the filter core, a filter jacket and a wrapper for the filter jacket, in which the material specifications of the tobacco rod and the filter and the dimensions of their individual components are designed to allow the smoke to flow mainly through the filter core (upon open ventilation zone) and when covering the ventilation openings, the smoke of the cigarette flows to a major degree through the filter jacket of the coaxial filter element.

Abstract: A cigarette having a filter rod which extends longitudinlly and coaxially through the cigarette cord of tobacco. A plurality of filter tags and rings are disposed through the tobacco cord, the quantity of each varied to strengthen or weaken the level of filtration. The filter rod having a concentric air passage channel longitudinally deposed along its length to increase the supply of fresh air available to the smoker.

Abstract: A filter for passing tobacco smoke or other gaseous material comprising two layers of material having a plurality of circuitous or serpentine passageways forming pathways through which tobacco smoke travels a distance greater than the length of the filter itself. The filter is constructed by coating the layers with an adhesive except in the areas forming the passageways so that when the two layers are fastened together, there are unobstructed paths through the layers of material. The combined layers are rolled into a cylindrical construct. In an alternative embodiment, one or more cavities are formed along the passageways.

Abstract: Water disintegratability of a tobacco filter is improved by incorporating a super absorbent resin into a tobacco smoke filter medium in a tobacco filter comprising a main constitutive element of the tobacco smoke filter medium, and a water-soluble polymer as a binder for shaping the constitutive element. The constitutive element includes particulate or fibrous cellulose and cellulose esters (e.g. cellulose acetate). The water-absorption ratio of the super absorbent resin is about 10 to 1,000 times, and the amount of the resin is about 0.05 to 50 parts by weight relative to 100 parts by weight of the main constitutive element of the tobacco smoke filter medium.

Abstract: A cigarette having an improved carbon-bearing filter. A cigarette is provided with a smokable rod attached to a filter element having a region of carbon-bearing cellulose acetate tow surrounding a substantially impermeable member in the form of a hollow plastic tube crimped at the upstream end. As a result, the carbon-bearing region transitions from a circular cross-section to an annular cross-section. A plurality of circumferentially arranged holes are provided in the filter to permit dilution of the smoke passing through the filter. The resulting filter element provides reduction in gas phase components of smoke, dilution by ambient air and acceptable drawing characteristics.