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 having at least one aerosol forming material, a first hollow tubular body disposed downstream of the aerosol generating material, the first hollow tubular body having a wall thickness greater than about 0.5 mm, a second hollow tubular body with a wall thickness greater than about 0.5 mm and a cylindrical body disposed between the first hollow tubular body and the second hollow tubular body. Also described is an article including a hollow tubular member formed from cellulosic material and disposed immediately downstream of the aerosol generating material, where the length of the hollow tubular member is between about 5 mm and about 18 mm. A system and a method of manufacturing an article are also described.

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 first hollow tubular body disposed downstream of the aerosol generating material, the first hollow tubular body comprising a wall thickness greater than about 0.5 mm;   a second hollow tubular body comprising a wall thickness greater than about 0.5 mm; and   a cylindrical body disposed between the first hollow tubular body and the second hollow tubular body.   
     
     
         2 . 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 hollow tubular member formed from cellulosic material and disposed immediately downstream of the aerosol generating material;   wherein, the length of the hollow tubular member is between about 5 mm and about 18 mm.   
     
     
         3 . The article according to  claim 2 , wherein the article further comprises a first hollow tubular body disposed downstream of the hollow tubular member. 
     
     
         4 . The article according to  claim 3 , wherein the first hollow tubular body comprises a wall thickness of greater than about 0.5 mm. 
     
     
         5 . The article according to  claim 3 , wherein the article further comprises a second hollow tubular body having a wall thickness of greater than about 0.5 mm. 
     
     
         6 . The article according to  claim 5 , wherein the article further comprises a cylindrical body disposed between the first hollow tubular body and the second hollow tubular body. 
     
     
         7 . The article according to  claim 1 , wherein the cylindrical body is positioned immediately adjacent the first hollow tubular body and the second hollow tubular body. 
     
     
         8 . The article according to  claim 1 , wherein the cylindrical body is substantially continuous. 
     
     
         9 . The article according to  claim 1  when dependent from  claim 1 , wherein the article further comprises a hollow tubular member disposed immediately downstream of the aerosol generating material. 
     
     
         10 . The article according to  claim 9  when dependent from  claim 1 , wherein the length of the hollow tubular member is between about 5 mm and about 18 mm. 
     
     
         11 . The article according to any one of  claim 1 , wherein the first tubular body and/ or the second tubular body have an average density between about 0.25 g/cc and about 0.75 g/cc. 
     
     
         12 . The article according to any one of  claim 1 , wherein the first hollow tubular body is formed from paper or filamentary tow. 
     
     
         13 . The article according to any one of  claim 1 , wherein the second hollow tubular body is formed from paper or filamentary tow. 
     
     
         14 . The article according to any one of  claim 2 , wherein the hollow tubular member is formed from paper or filamentary tow. 
     
     
         15 . The article according to any one of  claim 1 , wherein the pressure drop across the cylindrical body is between 0.3 and 5 mmWG per mm of length of the cylindrical body, or between 0.5 mmWG and 2 mmWG per mm of length of the cylindrical body, or between 0.5 and 1 mmWG/mm of length of the cylindrical body, or between 1 and 1.5 mmWG/mm of length of the cylindrical body, or between 1.5 and 2 mmWG/mm of length of the cylindrical body. 
     
     
         16 . The article according to  claim 1 , wherein the pressure drop across the cylindrical body is between 3 mmWG and 8 mWG, or between 4 mmWG and 7 mmWG. 
     
     
         17 . The article according to  claim 1 , wherein the first hollow tubular body and/or the second hollow tubular body comprise a wall thickness between 0.5 mm and 2.5 mm. 
     
     
         18 . A system comprising: a non-combustible aerosol provision device, and an article according to  claim 1 . 
     
     
         19 . 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, and 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. 
     
     
         20 . The system according to  claim 19 , wherein use comprises following a standard puffing regime. 
     
     
         21 . The 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, and 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. 
     
     
         22 . The system according to  claim 21 , wherein use comprises following a standard puffing regime. 
     
     
         23 . A method of manufacturing an article according to  claim 1 , the method comprising: providing an aerosol generating material comprising at least one aerosol forming material; and disposing a tubular body downstream of the aerosol generating material, the tubular body comprising a wall thickness greater than about 0.5 mm; disposing a cylindrical body downstream of the tubular body; and disposing a second tubular body downstream of the cylindrical body.