Article for use in an aerosol provision system

Abstract

An article for use with a non-combustible aerosol provision device comprising a heater, the article comprising: an aerosol generating material comprising at least one aerosol forming material; and a first tubular body disposed downstream of the aerosol generating material, the first tubular body comprising filamentary tow; and a mouth end section disposed downstream of the first tubular body, wherein the article is configured such that when the article is inserted into the non-combustible aerosol provision device, the minimum distance between the heater of the non-combustible aerosol provision device and the first tubular body is at least about 3 mm. A system and a method of manufacture are also described.

1 . An article for use with a non-combustible aerosol provision device comprising a heater, the article comprising:
 an aerosol generating material comprising at least one aerosol forming material;   a first tubular body disposed downstream of the aerosol generating material, the first tubular body comprising filamentary tow; and   a mouth end section disposed downstream of the first tubular body,   wherein the article is configured such that when the article is inserted into the non-combustible aerosol provision device, the minimum distance between the heater of the non-combustible aerosol provision device and the first tubular body is at least about 3 mm.   
     
     
         2 . An article according to  claim 1 , further comprising a second tubular body disposed between the aerosol generating material and the first tubular body, wherein the length of the second tubular body is such that it extends away from the heater of the non-combustible aerosol provision device by at least about 3 mm when the article is inserted into the non-combustible aerosol provision device. 
     
     
         3 . An article according to  claim 2 , wherein the second tubular body is formed from paper. 
     
     
         4 . An article according to  claim 2 , wherein the second tubular body has a wall thickness of at least 300 microns and/or a permeability of at least 100 Coresta units. 
     
     
         5 . An article according to  claim 1 , wherein the length of the aerosol generating material is such that it extends away from the heater of the non-combustible aerosol provision device by at least about 3 mm when the article is inserted into the non-combustible aerosol provision device. 
     
     
         6 . An article according to  claim 1 , further comprising a wrapper at least partially surrounding the aerosol generating material and the first tubular body. 
     
     
         7 . An article according to  claim 6 , wherein the wrapper defines a cavity between the aerosol generating material and the first tubular body, wherein the length of the cavity is such that it extends away from the heater of the non-combustible aerosol provision device by at least about 3 mm when the article is inserted into the non-combustible aerosol provision device. 
     
     
         8 . An article according to  claim 6 , wherein the wrapper has a citrate content of 1% by weight or less. 
     
     
         9 . An article according to  claim 1 , wherein the first tubular body has a wall thickness between 0.5 mm and 2.5 mm. 
     
     
         10 . An article according to  claim 1 , wherein the first tubular body has a length of at least 12 mm. 
     
     
         11 . An article according to  claim 1 , wherein the filamentary tow of the first tubular body comprises filaments having a cross-section with an isoperimetric ratio of 25 or less. 
     
     
         12 . An article according to  claim 1 , further comprising at least one ventilation area arranged to allow external air to flow into the article. 
     
     
         13 . An article according to  claim 12 , wherein said at least one ventilation area is arranged to provide external air into the aerosol generating material. 
     
     
         14 . An article according to  claim 12 , wherein said at least one ventilation area is arranged to provide external air into a cavity of the first tubular body. 
     
     
         15 . An article according to  claim 12 , wherein said at least one ventilation area comprises a single row of ventilation apertures. 
     
     
         16 . An article according to  claim 12 , wherein said at least one ventilation area comprises two or more rows of ventilation apertures. 
     
     
         17 . An article according to  claim 12 , wherein the level of ventilation provided by said at least one ventilation area is within the range of 45% to 65% of the volume of aerosol generated by said non-combustible aerosol provision device passing through the article, or between 40% and 60% of the volume of aerosol generated by said non-combustible aerosol provision device passing through the article. 
     
     
         18 . An article according to  claim 1 , wherein mouth end section comprises a third tubular body. 
     
     
         19 . An article according to  claim 18 , wherein the third tubular body defines the mouth end of the article. 
     
     
         20 . An article according to  claim 18 , wherein the third tubular body comprises a length of greater than about 10 mm or greater than about 12 mm. 
     
     
         21 . An article according to  claim 1 , wherein the mouth end section comprises an inner body and an outer body, wherein a resistance to gaseous flow through the length of the inner body is less than a resistance to gaseous flow through the length of the outer body. 
     
     
         22 . An article according to  claim 1 , further comprising a sheet material having a pattern of strength discontinuities resulting in non-uniformity in the curvature of at least a portion of said sheet material. 
     
     
         23 . An article according to  claim 1 , wherein the first tubular body comprises a second aerosol generating material. 
     
     
         24 . An article according to  claim 1 , wherein the aerosol generating material is wrapped by a wrapper having a level of permeability greater than about 2000 Coresta Units, and wherein the article comprises a downstream portion downstream of the aerosol generating material, comprising at least one ventilation area. 
     
     
         25 . An article according to  claim 1 , wherein the mouth end section comprises a body of filamentary tow, wherein said filamentary tow of the body of filamentary tow comprises a weight per mm of length of the body which is between about 10% and about 30% of the range between the minimum and maximum weights of a tow capability curve generated for the filamentary tow. 
     
     
         26 . A system comprising:
 a non-combustible aerosol provision device comprising a heater; and   an article according to  claim 1 .   
     
     
         27 . A method of manufacturing an article for use with a non-combustible aerosol provision device comprising a heater, 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 filamentary tow;   disposing a mouth end section downstream of the tubular body; and   wherein the article is configured such that when the article is inserted into the non-combustible aerosol provision device, the minimum distance between the heater of the non-combustible aerosol provision device and the tubular body is at least 3 mm.