Article for use in an aerosol provision system

Abstract

Articles and related methods and systems for use as or as part of a non-combustible aerosol provision system including an aerosol-generating material having at least one aerosol forming material and a cylindrical body disposed downstream of the aerosol-generating material. The distance (d) between the downstream end of the aerosol-generating material and the upstream end of the cylindrical body is less than about 22 mm. A hollow tubular member can be disposed downstream of the aerosol generating material, the hollow tubular member having one or more ventilation areas,

1 . An article for use as or as part of a non-combustible aerosol provision system, the article comprising:
 an aerosol-generating material comprising at least one aerosol forming material; and   a cylindrical body disposed downstream of the aerosol-generating material, wherein the distance between the downstream end of the aerosol-generating material and the upstream end of the cylindrical body is less than about 22 mm.   
     
     
         2 . An article according to  claim 1 , comprising a hollow tubular body disposed downstream of the aerosol generating material, the hollow tubular body having a wall thickness greater than about 0.5 mm. 
     
     
         3 . An article according to  claim 2 , wherein the cylindrical body is disposed immediately downstream of the hollow tubular body, 
     
     
         4 . An article according to  claim 2 , wherein the article further comprises a hollow tubular member disposed immediately upstream of the hollow tubular body. 
     
     
         5 . An article according to  claim 4 , wherein the hollow tubular body has a first inner diameter, and wherein the hollow tubular member has a second inner diameter; and
 wherein the second inner diameter is greater than the first inner diameter.   
     
     
         6 . An article according to  claim 5 , wherein the second inner diameter is at least about 1 mm, 1.5 mm or 2 mm greater than the first inner diameter. 
     
     
         7 . An article according to  claim 5 , wherein the second inner diameter is between about 4 mm and about 7.5 mm and wherein the first inner diameter is between about 2 mm and about 4.5 mm. 
     
     
         8 . An article according to  claim 4 , wherein the aerosol generating material is provided in an aerosol generating material section, and the aerosol generating material section has a length greater than a length of the hollow tubular member. 
     
     
         9 . An article according to  claim 4 , wherein the hollow tubular member has length less than about 20 mm, or less than about 19 mm, or less than about 18 mm. 
     
     
         10 . An article according to  claim 4 , wherein the hollow tubular member is formed from paper, plastic, or filamentary tow. 
     
     
         11 . An article according to  claim 2 , wherein the hollow tubular body is formed from paper, plastic, or filamentary tow. 
     
     
         12 . An article according to  claim 2 , wherein the hollow tubular body comprises triacetin in an amount less than about 16% by weight of the hollow tubular body, or less than about 15% by weight of the hollow tubular body, or less than about 13% by weight of the hollow tubular body. 
     
     
         13 . An article according to  claim 1 , wherein the article further comprises a second hollow tubular body disposed at the downstream end of the article. 
     
     
         14 . An article according to  claim 13 , wherein the second hollow tubular body is formed from paper, plastic or filamentary tow and/or wherein the second hollow tubular body has a wall thickness of at least about 0.5 mm. 
     
     
         15 . An article according to  claim 1 , wherein the first hollow tubular body and/or the second hollow tubular body have a density of between 0.25 g/cc and 0.75 g/cc. 
     
     
         16 . An article according to  claim 1 , wherein the cylindrical body is circumscribed by a wrapping material, said wrapping material comprising an embossed pattern. 
     
     
         17 . An article according to  claim 1 , wherein the cylindrical body is substantially continuous throughout its volume. 
     
     
         18 . A method of forming an article for use as or as part of a non-combustible aerosol provision system, the method comprising:
 providing an aerosol-generating material comprising at least one aerosol forming material; and   disposing a cylindrical body downstream of the aerosol-generating material, such that the upstream end of the cylindrical body is less than about 22 mm from the downstream end of the aerosol-generating material.   
     
     
         19 . A non-combustible aerosol provision system, the system comprising:
 an article according to  claim 1 , and   a non-combustible aerosol provision device comprising a heater.   
     
     
         20 . A system comprising:
 a non-combustible aerosol provision device; and   an article according to  claim 1 , wherein the aerosol generating material is provided with an amount of nicotine;   wherein the aerosol generated by the system, in use, comprises at least 30% of the amount of nicotine provided in the aerosol generating material prior to use, or at least 35% of the amount of nicotine provided in the aerosol generating material prior to use, or at least 40% of the amount of nicotine provided in the aerosol generating material prior to use.   
     
     
         21 . A system according to  claim 19 , wherein use comprises following a standard puffing regime. 
     
     
         22 . A system comprising:
 a non-combustible aerosol provision device; and   an article according to  claim 1 , wherein the aerosol generating material is provided with an amount of glycerol;   wherein the aerosol generated by the system, in use, comprises at least 15% of the amount of glycerol provided in the aerosol generating material prior to use, or at least 20% of the amount of glycerol provided in the aerosol generating material prior to use.   
     
     
         23 . A system according to  claim 21 , wherein use comprises following a standard puffing regime. 
     
     
         24 . An article for use as or as part of a non-combustible aerosol provision system, the article comprising:
 an aerosol generating material comprising at least one aerosol forming material;   a hollow tubular member disposed downstream of the aerosol generating material, the hollow tubular member comprising one or more ventilation areas; and   a substantially cylindrical body disposed downstream of the hollow tubular member, the downstream end of the substantially cylindrical body forming the downstream end of the article, and the distance between the downstream end of the article and the downstream end of the hollow tubular member being at least 8 mm,   wherein the one or more ventilation areas are provided between 12 mm and 21 mm from the downstream end of the article.   
     
     
         25 . An article according to  claim 24 , wherein the one or more ventilation areas are provided between 12 mm and 16 mm, between 16 mm and 20 mm, or between 18 mm and 19 mm from the downstream end of the article. 
     
     
         26 . An article according to  claim 24 , wherein the one or more ventilation areas are provided at approximately 18.5 mm from the downstream end of the article. 
     
     
         27 . An article according to  claim 24 , wherein the one or more ventilation areas are provided at 3.5 mm or less from the downstream end of the hollow tubular member. 
     
     
         28 . An article according to  claim 24 , wherein the one or more ventilation areas comprise one or more apertures or perforations. 
     
     
         29 . An article according to  claim 24 , wherein the one or more ventilation areas are provided in the hollow tubular member. 
     
     
         30 . An article according to  claim 24 , wherein the one or more ventilation areas are provided in a wrapper surrounding the hollow tubular member. 
     
     
         31 . An article according to  claim 24 , wherein the ventilation level is between 40% and 80%, or between 50% and 70%. 
     
     
         32 . An article according to  claim 31 , wherein the ventilation level is between approximately 60%. 
     
     
         33 . An article according to  claim 24 , wherein the cylindrical body is disposed immediately downstream of and adjacent to the hollow tubular body. 
     
     
         34 . An article according to  claim 24 , wherein the hollow tubular member is formed from paper, plastic, or filamentary tow. 
     
     
         35 . An article according to  claim 24 , wherein the hollow tubular body is formed of paper and has a wall thickness of less than 0.5 mm. 
     
     
         36 . An article according to  claim 24 , wherein the cylindrical body is circumscribed by a wrapping material, said wrapping material comprising an embossed pattern. 
     
     
         37 . An article according to  claim 24 , wherein the cylindrical body is substantially continuous throughout its volume. 
     
     
         38 . An article according to  claim 24 , wherein the article comprises at least one further cylindrical body disposed downstream of the hollow tubular member. 
     
     
         39 . An article according to  claim 24 , wherein the cylindrical body is formed from filamentary tow. 
     
     
         40 . An article according to  claim 24 , wherein the cylindrical body has a length between 8 mm and 17 mm, between 11 mm and 13 mm, between 15 mm and 17 mm, or between 17 and 21 mm. 
     
     
         41 . An article according to  claim 24 , wherein the aerosol generating material is a rod of aerosol generating material having a length of between 22 mm and 30 mm, between 24 mm and 28 mm, or approximately 26 mm. 
     
     
         42 . An article according to  claim 24 , wherein the hollow tubular member has a length of between 17 mm and 26 mm, between 18 mm and 24 mm, or between 24 mm and 26 mm, or between 20 mm and 22 mm. 
     
     
         43 . A method of forming an article according to  claim 24 , the method comprising:
 providing an aerosol-generating material comprising at least one aerosol forming material; and   disposing a hollow tubular member downstream of the aerosol generating material; disposing a substantially cylindrical body downstream of the hollow tubular member, the downstream end of the cylindrical body forming the downstream end of the article, and the distance between the downstream end of the cylindrical body and the downstream end of the hollow tubular member being at least 8 mm; and   providing at least one ventilation area between 12 mm and 21 mm from the downstream end of the article.   
     
     
         44 . An article for use as or as part of a non-combustible aerosol provision system, the article comprising:
 an aerosol generating material comprising at least one aerosol forming material;   
       a hollow tubular member disposed downstream of the aerosol generating material, the hollow tubular member comprising one or more ventilation areas; and
 a substantially cylindrical body disposed downstream of the hollow tubular member, the downstream end of the substantially cylindrical body forming the downstream end of the article, and the distance between the downstream end of the article and the downstream end of the hollow tubular member being at least 8 mm, wherein the one or more ventilation areas are provided less than 3.5 mm from the downstream end of the hollow tubular member. 
 
     
     
         45 . A non-combustible aerosol provision system, the system comprising:
 an article according to  claim 44 ; and   a non-combustible aerosol provision device comprising a heater.