Article for use in an aerosol provision system

Abstract

An article for use as or as part of a non-combustible aerosol provision system includes an aerosol generating material including at least one aerosol forming material, a hollow tubular member disposed downstream of the aerosol generating material, a first substantially cylindrical body disposed downstream of the hollow tubular body and a second substantially cylindrical body adjacent to and downstream of the first substantially cylindrical body, the second substantially cylindrical body being disposed at the mouth end of the article. A method of forming an article and a non-combustible aerosol provision system including the article are also provided.

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;   a hollow tubular member disposed downstream of the aerosol generating material;   a first substantially cylindrical body disposed downstream of the hollow tubular member; and   a second substantially cylindrical body adjacent to and downstream of the first substantially cylindrical body, the second substantially cylindrical body being disposed at a mouth end of the article.   
     
     
         2 . The article according to  claim 1 , wherein at least one of the first substantially cylindrical body or the second substantially cylindrical body is formed of filamentary tow. 
     
     
         3 . The article according to  claim 1 , wherein at least one of the first substantially cylindrical body or the second substantially cylindrical body is formed of cellulose acetate tow. 
     
     
         4 . The article according to  claim 1 , wherein the first substantially cylindrical body is formed of cellulose acetate tow having a first denier per filament value and a first total denier value, and wherein the second substantially cylindrical body is formed of cellulose acetate tow having a second denier per filament value and a second total denier value. 
     
     
         5 . The article according to  claim 4 , wherein the first denier per filament value and the second denier per filament value are the same, and wherein the first total denier value and the second total denier value are the same. 
     
     
         6 . The article according to  claim 4 , wherein the first denier per filament value is different from the second denier per filament value. 
     
     
         7 . The article according to  claim 5 , wherein the first total denier value is different from the second total denier value. 
     
     
         8 . The article according to  claim 1 , wherein the first substantially cylindrical body is longer than the second substantially cylindrical body. 
     
     
         9 . The article according to  claim 1 , wherein a length of the first cylindrical body is between 7 mm and 13 mm, between 9 mm and 11 mm, or approximately 10 mm. 
     
     
         10 . The article according to  claim 1 , wherein a length of the second cylindrical body is between 3 mm and 9 mm, between 5 mm and 7 mm, or approximately 6 mm. 
     
     
         11 . The article according to  claim 1 , wherein a combined length of the first cylindrical body and the second cylindrical body is between 10 mm and 20 mm, between 12 mm and 18 mm, between 14 mm and 17 mm, or approximately 16 mm. 
     
     
         12 . The article according to  claim 1 , wherein the hollow tubular member comprises one or more ventilation areas. 
     
     
         13 . The article according to  claim 12 , wherein the one or more ventilation areas are provided between 12 mm and 20 mm, or between 18 mm and 19 mm, from a downstream end of the article. 
     
     
         14 . The article according to  claim 13 , wherein the one or more ventilation areas are provided at approximately 18.5 mm or approximately 15 mm from the downstream end of the article. 
     
     
         15 . The article according to  claim 12 , wherein the one or more ventilation areas comprise one or more apertures or perforations. 
     
     
         16 . The article according to  claim 12 , wherein a ventilation level is between 40% and 80%, or between 50% and 70%, or approximately 60%. 
     
     
         17 . The article according to  claim 1 , wherein the first cylindrical body is disposed immediately downstream of and adjacent to the hollow tubular member. 
     
     
         18 . The article according to  claim 1 , wherein the hollow tubular member is formed from paper, plastic, or filamentary tow. 
     
     
         19 . The article according to  claim 1 , wherein the hollow tubular member is formed of paper and has a wall thickness of less than 0.5 mm. 
     
     
         20 . The article according to  claim 1 , wherein at least one of the first cylindrical body or the and/or second cylindrical body is circumscribed by a wrapping material, the wrapping material comprising an embossed pattern. 
     
     
         21 . The article according to  claim 1 , wherein the cylindrical body is substantially continuous throughout a volume. 
     
     
         22 . The article according to  claim 1 , 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. 
     
     
         23 . The article according to  claim 1 , wherein the hollow tubular member has a length of between 17 mm and 26 mm, between 18 mm and 24 mm, between 24 mm and 26 mm, or between 20 mm and 22 mm. 
     
     
         24 . A method of forming an article according to  claim 1 , the method comprising:
 providing an aerosol-generating material comprising at least one aerosol forming material;   disposing a hollow tubular member downstream of the aerosol generating material;   disposing a first substantially cylindrical body downstream of the hollow tubular member; and   disposing a second substantially cylindrical body adjacent to and downstream of the first substantially cylindrical body, the second substantially cylindrical body being disposed at a mouth end of the article.   
     
     
         25 . A non-combustible aerosol provision system, the system comprising:
 the article according to  claim 1 , and   a non-combustible aerosol provision device comprising a heater.