Smoking Article

Abstract

A smoking article ( 10 ) comprising a source of smokable material ( 11 ); and a sleeve ( 13 ) coupled to the source of smokable material and defining a chamber ( 15 ). The sleeve has a distal end configured to be movable relative to the source of smokable material. The smoking article ( 10 ) further comprises a smoke modifying agent releasable into the smoking article.

1 . A smoking article comprising:
 a first part comprising a source of smokable material;   a second part having at least an end configured to be movable relative to the first part; and   the smoking article further comprising a smoke modifying agent releasable into the smoking article.   
     
     
         2 . The smoking article as claimed in  claim 1  wherein the smoke modifying agent is a source of flavoring. 
     
     
         3 . The smoking article as claimed in  claim 1  wherein a surface of the first part facing the second part is provided with one of: a plurality of capsules containing the smoke modifying agent or one or more engaging features,
 wherein a surface of the second part facing the first part is provided with the other one of: a plurality of capsules containing the smoke modifying agent or one or more engaging features, and 
 the one or more engaging features are configured to engage with the capsules to release the smoke modifying agent as the first part moves relative to the second part. 
 
     
     
         4 . The smoking article as claimed in  claim 3  wherein the one or more engaging features are one or more protruding features configured to crush the capsules as the first part rotates relative to the second part. 
     
     
         5 . The smoking article as claimed in  claim 3  wherein the first part is slidable longitudinally relative to the second part to vary the length of a chamber defined by at least one of the first part and the second part. 
     
     
         6 . The smoking article as claimed in  claim 3  wherein the engaging features are configured to break the capsules on at least one of relative longitudinal movement and rotation between the first part and second part. 
     
     
         7 . The smoking article as claimed in  claim 6  wherein said longitudinal movement is independent of rotation about a longitudinal axis. 
     
     
         8 . The smoking article as claimed in  claim 3  wherein the plurality of capsules are located on a periphery of a filter of the first part, and the engaging features extend radially inwardly to crush the capsules against the filter. 
     
     
         9 . The smoking article as claimed in  claim 3  wherein the engaging features have a substantially pyramidal shape. 
     
     
         10 . The smoking article as claimed in  claim 1  further comprising one or more compartments formed on an exterior surface of one of the first part and second part, wherein the one or more compartments contain the smoke modifying agent, and
 the one or more compartments comprise a frangible membrane configured to allow release of the smoke modifying agent into the smoking article. 
 
     
     
         11 . The smoking article as claimed in  claim 10  comprising a chamber defined by at least one of the first part and second part,
 wherein the frangible membrane separates a said compartment from the chamber. 
 
     
     
         12 . The smoking article as claimed in  claim 11  wherein one of the first and second part further comprises a transparent window allowing viewing of the chamber. 
     
     
         13 . The smoking article as claimed in  claim 11  wherein one of the first part and second part is moveable between a retracted position covering said frangible membrane to inhibit breakage of the frangible membrane, and an extended position in which the one of the first and second part does not cover the frangible membrane such that the frangible membrane can be broken into the chamber. 
     
     
         14 . The smoking article as claimed in  claim 10  wherein an exterior surface of the compartment extends radially beyond the exterior surface of one of the first and second part on which the compartment is formed. 
     
     
         15 . The smoking article as claimed in  claim 1 , wherein the second part comprises a sleeve. 
     
     
         16 . The smoking article as claimed in  claim 1 , wherein the smoking article is an extendable smoking article, such that the length of a chamber defined by one of the first part and second part is variable. 
     
     
         17 . The smoking article as claimed in  claim 16  wherein the smoking article is configured to one of: release the smoke modifying agent, and allow the smoke modifying agent to be released, as the smoking article is extended. 
     
     
         18 . The smoking article as claimed in  claim 1  further comprising a flexible elongate substrate within a chamber defined by at least one of the first part and second part,
 wherein a first end of the substrate is moveable with the first part, and a second end of the substrate is moveable with the second part; 
 wherein the substrate is configured to extend from a folded state to an unfolded state as the first part is moved relative to the second part, and 
 the smoke modifying agent is covered between two facing sections of the substrate in the folded state and uncovered as the facing sections move apart into the unfolded state. 
 
     
     
         19 . The smoking article as claimed in  claim 18  wherein the smoke modifying agent is a plurality of discrete smoke modifying agent units attached to both of the two facing faces of the substrate in the folded state, and smoke modifying agent units are configured to divide in the unfolded state into a first smoke modifying agent portion attached to one of the two facing sections of the substrate, and a second smoke modifying agent portion attached to the other of the two facing sections of the substrate. 
     
     
         20 . The smoking article as claimed in  claim 15  wherein at least one of: the first part comprises a first filter attached to the source of smokable material and the second part comprises a second filter connected to the sleeve. 
     
     
         21 . The smoking article as claimed in  claim 1  comprising a filter connected to the second part, and a flexible elongate substrate extending through said filter and at least partially coated with the smoke modifying agent;
 wherein a first end of the substrate is moveable with the first part, wherein the substrate is configured to be drawn through said filter as the first part is moved relative to the second part. 
 
     
     
         22 . The smoking article as claimed in  claim 21  wherein the substrate is coiled adjacent to said filter and outside of a chamber defined by at least one of the first part and second part. 
     
     
         23 . The smoking article as claimed in  claim 21  wherein the substrate is provided with an enlarged section having a lateral dimension larger than the substrate passable through a second filter, to prevent further movement of the substrate when the enlarged section abuts the second filter. 
     
     
         24 . The smoking article as claimed in  claim 21  wherein the substrate is a string coated with a wax containing the smoke modifying agent. 
     
     
         25 . The smoking article as claimed in  claim 1  wherein a chamber defined by at least one of the first part and second part comprises loose particles. 
     
     
         26 . The smoking article as claimed in  claim 1  wherein the second part comprises a sleeve, and the sleeve is formed as a cylindrical tube slidable around the source of smokable material. 
     
     
         27 . The smoking article as claimed in  claim 1  wherein the second part comprises a sleeve, and the sleeve is formed as a concertina in order to vary the length of the sleeve and a chamber defined by at least one of the first part and second part. 
     
     
         28 . A package, comprising:
 a first compartment containing a plurality of smoking articles; and   a second compartment containing a liquid smoke modifying agent; and   a divider separating the first and second compartments, wherein the divider has a plurality of apertures,   wherein a substrate of a smoking article extends through an aperture in the divider, and into the liquid smoke modifying agent in the second compartment.   
     
     
         29 . (canceled) 
     
     
         30 . The smoking article as claimed in  claim 6  wherein rotation of the first part relative to the second part actuates extension of the smoking article. 
     
     
         31 . The smoking article as claimed in  claim 1 , wherein the first part further comprises a sleeve and the second part comprises a filter moveable relative to the sleeve. 
     
     
         32 . The smoking article as claimed in  claim 31  wherein at least one of: the first part comprises a first filter attached to the source of smokable material and the second part comprises a second filter connected to the sleeve. 
     
     
         33 . The smoking article as claimed in  claim 1  wherein a chamber defined by one of the first part and second part comprises loose carbon particles. 
     
     
         34 . The package of  claim 28 , wherein the smoking articles further comprise:
 a first part comprising a source of smokable material;   a second part having at least an end configured to be movable relative to the first part;   the smoking article further comprising a smoke modifying agent releasable into the smoking article;   a filter connected to the second part, and a flexible elongate substrate extending through said filter and at least partially coated with the smoke modifying agent; and   wherein a first end of the substrate is moveable with the first part, wherein the substrate is configured to be drawn through said filter as the first part is moved relative to the second part.