Article for use in a non-combustible aerosol provision system

Abstract

An article for use in an aerosol provision includes sections of aerosol-generating material coaxially aligned along a longitudinal axis of the article. A cross sectional area of each section transverse to the longitudinal axis is different. Also provided is a system including a non-combustible aerosol provision device, and an article having sections of aerosol-generating material coaxially aligned along a longitudinal axis of the article. The cross sectional area of each section transverse to the longitudinal axis is different. The device includes a article receiving cavity and a heater surrounding said cavity such that, when the article is received the cavity, the heater is adjacent at least one of said sections.

1 . An article for use in an aerosol provision system, comprising sections of aerosol-generating material coaxially aligned along a longitudinal axis of the article, wherein a cross sectional area of each section transverse to the longitudinal axis is different. 
     
     
         2 . An article according to  claim 1 , comprising a distal end for insertion into an aerosol-generating device, said sections comprise first and second sections, the first section being at said distal end and having a cross-sectional area smaller than the cross-sectional area of the second section remote from said distal end. 
     
     
         3 . An article according to  claim 2 , wherein the first section has a uniform cross-sectional area in a direction extending along the longitudinal axis. 
     
     
         4 . An article according to  claim 2 or 3 , wherein the second section has a uniform cross-sectional area in a direction extending along the longitudinal axis. 
     
     
         5 . An article according to  claims 2 to 3 , wherein the first section extends along the longitudinal axis for a distance greater than the distance that the second section extends along the longitudinal axis. 
     
     
         6 . An article according to any of  claims 1 to 3 , wherein the first and second sections of aerosol-generating material are each formed from the same aerosol-generating material. 
     
     
         7 . An article according to any of  claims 1 to 3 , wherein the first and second sections of aerosol-generating material are each formed from a different type of aerosol-generating material. 
     
     
         8 . An article according to any of  claims 1 to 3 , wherein the second section of aerosol generating material comprises a cavity or opening and the first section of aerosol-generating material is received within, and extends from, said cavity or opening. 
     
     
         9 . An article according to any of  claims 1 to 3 , comprising a wrapping material wrapping said first and/or second sections of aerosol generating material. 
     
     
         10 . An article according to  claim 9 , wherein the wrapping material wrapping the first section is different to the wrapping material wrapping the second section. 
     
     
         11 . An article according to  claim 9 , wherein the wrapping material comprises a ferrous and/or heat-conductive material. 
     
     
         12 . An article according to  claim 9 , wherein the wrapping material is configured to be conductively, or inductively, heated to heat the aerosol-generating material. 
     
     
         13 . An article according to  claim 11 , wherein at least part of the wrapping material is permeable to air. 
     
     
         14 . An article according to  claim 13 , wherein the wrapping material is a mesh, is perforated or has openings. 
     
     
         15 . An article according to any of  claims 1 to 3 , wherein each of the first and second sections of aerosol generating material have a circular cross section. 
     
     
         16 . An article according to any of  claims 1 to 3 , comprising a mouth end remote from said aerosol-generating material, said mouth end being configured to be placed between the lips of a user when the aerosol-generating material inserted into a non-combustible aerosol provision device. 
     
     
         17 . An article according to  claim 16 , wherein a cooling segment is located between the aerosol-generating material and the mouth end. 
     
     
         18 . An article according to  claim 17 , wherein a filtration segment is located between the cooling segment and the mouth end. 
     
     
         19 . A system comprising a non-combustible aerosol provision device, and an article comprising sections of aerosol-generating material coaxially aligned along a longitudinal axis of the article, wherein the cross sectional area of each section transverse to the longitudinal axis is different, and wherein the device comprises a article receiving cavity and a heater surrounding said cavity such that, when the article is received the cavity, the heater is adjacent at least one of said sections. 
     
     
         20 . A system according to  claim 19 , wherein the sections of aerosol-generating material comprises first and second sections and the article receiving cavity has a first portion to receive the first section and a second portion to receive the second section, said second portion being larger than the first portion. 
     
     
         21 . A system according to  claim 19 or 20 , wherein the article comprises a wrapper and the heater is configured to heat the aerosol-generating material by heating the wrapper. 
     
     
         22 . A system according to  claim 19 , wherein the heating element comprises a ferrous and/or heat-conductive material to conduct heat from the heater to the aerosol-generating material. 
     
     
         23 . A system according to  claim 22 , wherein the wrapper is a susceptor, and the heater comprises a varying magnetic field generator to inductively heat the heating element. 
     
     
         24 . A system according to  claim 19 or 20 , wherein the sections of aerosol generating material are cylindrical. 
     
     
         25 . A system according to  claim 24 , wherein the heater comprises a tubular body, the article receiving cavity being formed in said tubular body. 
     
     
         26 . A system according to  claim 19 or 20 , wherein the heater comprises a first part that is positioned alongside the first section of the aerosol-generating material when the article is received in the aerosol-generating device. 
     
     
         27 . A system according to  claim 25 , wherein said second section has a distal end face and the first part of the heater is adjacent to said distal end face. 
     
     
         28 . A system according to  claim 26 , wherein the heater comprises a second part positioned alongside the second section of the aerosol-generating material when the article is received in the device. 
     
     
         29 . A system according to  claim 28 , wherein the first and second parts are configured to heat the first and second sections, respectively, to different temperatures. 
     
     
         30 . A system according to  claim 28 , wherein the first and second parts are configured to heat the first and second sections consecutively. 
     
     
         31 . A system according to  claim 28 , wherein the first and second parts are configured such that there is a delay between the heating of one section relative to the heating of the other section.