Smoking article and method of manufacturing a smoking article

Abstract

A smoking article comprising a first part, and a second part comprising a sleeve extending around at least a part of the first part of the smoking article. The smoking article defines one or more ventilation areas providing ventilation into a longitudinal end of the sleeve of the smoking article.

1 . A smoking article comprising:
 a first part comprising at least one rod article, and   a second part comprising a sleeve extending around at least a portion of the first part; and   an at least one ventilation area configured to provide ventilation into a longitudinal end of the sleeve of the smoking article,   wherein the first part is movable relative to the second part.   
     
     
         2 . The smoking article as claimed in  claim 1 , wherein the second part is movable at least one of longitudinally and rotationally, relative to the first part. 
     
     
         3 . The smoking article as claimed in  claim 1 , wherein
 the first part comprises a first engaging surface;   the second part comprises a second engaging surface, wherein the second engaging surface is engagable with the first engaging surface to control relative longitudinal movement between the first and second parts; and   wherein at least one of the first engaging surface and the second engaging surface defines the at least one ventilation area.   
     
     
         4 . The smoking article as claimed in  claim 1 , wherein the at least one ventilation area defines a plurality of openings between an exterior surface of the sleeve and at least one of:
 an exterior surface of a first filter;   a source of smokable material of the first part of the smoking article; and   an interior of the sleeve.   
     
     
         5 . The smoking article as claimed in  claim 1 , wherein the at least one ventilation area comprises an at least one longitudinally extending channel. 
     
     
         6 . The smoking article as claimed in  claim 1 , wherein the first part comprises a portion extending one of radially beyond a body of the first part and within an exterior of the second part of the smoking article, the radially extending portion at least one of:
 comprising the at least one ventilation area;   comprising a first engaging surface engagable with the second part to control relative longitudinal movement between the first and second parts; and   comprising a second engaging surface engagable with the first part to control relative longitudinal movement between the first and second parts.   
     
     
         7 . The smoking article as claimed in  claim 1 , wherein a radially extending portion comprising the at least one ventilation area is movable relative to one of the first part and the second part, and wherein an exterior of the sleeve extends longitudinally and circumferentially around the whole length and circumference of at least one of:
 the at least one ventilation area, and   a radially extending portion comprising at least one ventilation area.   
     
     
         8 . The smoking article as claimed in  claim 6 , wherein the at least one ventilation area is located on a radially inner area of the radially extending portion. 
     
     
         9 . The smoking article as claimed in  claim 6 , wherein the radially extending portion comprises an at least one channel on a radially inner surface of the radially extending portion, wherein the at least one channel defines at least one ventilation area. 
     
     
         10 . The smoking article as claimed in  claim 1 , wherein the first part comprises a covering layer circumscribing a body of the first part of the smoking article; and wherein at least one of the at least one ventilation area and the first engaging surface is defined by the covering layer. 
     
     
         11 . The smoking article as claimed in  claim 10  wherein the covering layer defines the at least one ventilation area, at or adjacent to a radially inner surface of the covering layer. 
     
     
         12 . The smoking article as claimed in  claim 10 , wherein the covering layer connects a source of smokable material to a first filter section. 
     
     
         13 . The smoking article as claimed in  claim 1 , wherein the at least one ventilation area is defined by an at least one layer of sheet material. 
     
     
         14 . The smoking article as claimed in  claim 3 , wherein at least one of the first engaging surface and the second engaging surface is formed on a folded over portion of sheet material. 
     
     
         15 . The smoking article as claimed in  claim 1 , wherein the first part comprises at least one of a source of smokable material and a first filter section, and wherein the second part comprises a sleeve surrounding a second filter section. 
     
     
         16 . The smoking article as claimed in  claim 1 , wherein the smoking article is configured to maintain the first and second parts at a single relative longitudinal position. 
     
     
         17 . The smoking article as claimed in  claim 3 , wherein at least one of:
 the first engaging surface and the second engaging surface are configured to stop longitudinal movement in a first longitudinal direction, and   a first filter section of the first part abuts a second filter section of the second part to stop longitudinal movement in a second direction.   
     
     
         18 . The smoking article as claimed in  claim 1 , wherein the first part is configured to be longitudinally slidable relative to the second part, and wherein the smoking article comprises a variable length chamber. 
     
     
         19 . The smoking article as claimed in  claim 1 , wherein at least one of the first part and the second part comprises a filter section, and wherein the at least one ventilation area provides ventilation to at least one filter section. 
     
     
         20 . A method of manufacturing a smoking article comprising a first part and a second part, the method comprising:
 forming a first part of the smoking article comprising at least one rod article;   forming a second part of the smoking article in the form of a sleeve; and   connecting the second part to the first part such that the sleeve extends around at least a part of the first part of the smoking article;   wherein at least one of the first part and the second part of the smoking article comprises an least one ventilation area configured to provide ventilation into a longitudinal end of the sleeve of the smoking article, and   wherein the first part is movable relative to the second part.   
     
     
         21 . The method as claimed in  claim 20 ,
 wherein the second part is movable at least one of longitudinally and rotationally relative to the first part.   
     
     
         22 . The method as claimed in  claim 20 , further comprising:
 forming a first engaging surface on the first part;   forming a second engaging surface on the second part;   connecting the first and second parts such that the first engaging surface is configured to engage with the second engaging surface to control relative longitudinal movement between the first and second parts, and   wherein at least one of the first and the second engaging surfaces defines the at least one ventilation area providing ventilation into the smoking article.   
     
     
         23 . The method as claimed in  claim 20 , further comprising wrapping a covering layer of sheet material around a body of the first part, wherein at least one of the at least one ventilation area and the first engaging surface is defined by the covering layer. 
     
     
         24 . Smoking article components comprising:
 a first component comprising at least one rod article and defining at least one ventilation area, and   a second component comprising a sleeve configured to extend around at least a part of the first component of the smoking article,   wherein the at least one ventilation area is configured to provide ventilation into a longitudinal end of the sleeve when the first and second components are movably connected.   
     
     
         25 . The smoking article as claimed in  claim 8 , wherein the at least one ventilation area is located only on a radially inner area of the radially extending portion. 
     
     
         26 . The smoking article as claimed in  claim 9 , wherein the at least one channel defines the at least one ventilation area in association with an adjacent surface of the first part of the smoking article. 
     
     
         27 . The smoking article as claimed in  claim 11 , wherein a radially outer surface of the covering layer does not define the ventilation areas. 
     
     
         28 . The smoking article as claimed in  claim 18 , wherein the at least one ventilation area is configured to provide ventilation to the chamber.