An article for use in a non-combustible aerosol provision system

Abstract

An article (and a method of manufacturing an article) for use with a non-combustible aerosol provision system is described. The article may comprise a rod of aerosol generating material and a hollow tube in axial alignment with the rod of aerosol generating material. The hollow tube may have a weight less than 8.5 mg/mm in an axial direction. The hollow tube may comprise a plurality of layers of a sheet material. The hollow tube may be provided adjacent to and in abutment with the rod of aerosol generating material, wherein the hollow tube has a length in an axial direction of 5 mm or less.

1 . An article for use with a non-combustible aerosol provision system, the article comprising:
 a rod of aerosol generating material; and a hollow tube in axial alignment with the rod of aerosol generating material, wherein the hollow tube has a weight less than 8.5 mg/mm in an axial direction.   
     
     
         2 . An article according to  claim 1 , wherein the hollow tube comprises a cellulose acetate tube or tube formed of a plurality of layers of sheet material. 
     
     
         3 . An article according to  claim 1 , wherein the hollow tube is a cellulose acetate tube formed of cellulose acetate tow. 
     
     
         4 . An article according to  claim 3 , wherein the cellulose acetate tow forming the cellulose acetate tube has a total fiber denier of between 25000 and 40000. 
     
     
         5 . An article according to  claim 3 , wherein the cellulose acetate tow forming the cellulose acetate tube has a fiber denier per filament value of between 3 and 10 dpf, or between 5 and 8 dpf. 
     
     
         6 . An article according to  claim 1 , wherein the hollow tube comprises 15% or less by weight of plasticizer. 
     
     
         7 . An article for use with a non-combustible aerosol provision system, the article comprising:
 a rod of aerosol generating material; and   a hollow tube in axial alignment with the rod of aerosol generating material, wherein the hollow tube comprises a plurality of layers of a sheet material having a basis weight of less than 90 GSM.   
     
     
         8 . An article for use with a non-combustible aerosol provision system comprising:
 a rod of aerosol generating material; and   a hollow tube in axial alignment with the rod of aerosol generating material, wherein the hollow tube comprises a plurality of layers of a sheet material and wherein a weight per unit length of the hollow tube is less than 4 mg/mm in an axial direction.   
     
     
         9 . An article according to  claim 7 , wherein the sheet material has a basis weight of at less than 80 GSM, or less than 70 GSM. 
     
     
         10 . An article according to  claim 1 , wherein the hollow tube is provided adjacent to and in abutment with the rod of aerosol generating material. 
     
     
         11 . An article according to  claim 1 , wherein the hollow tube is provided at a mouth end of the article. 
     
     
         12 . An article for use with a non-combustible aerosol provision system comprising:
 a rod of aerosol generating material configured to generate an aerosol when heated during use; and   a hollow tube in axial alignment with the rod of aerosol generating material, and provided adjacent to and in abutment with the rod of aerosol generating material, wherein the hollow tube has a length in an axial direction of 5 mm or less.   
     
     
         13 . An article according to  claim 12 , wherein the hollow tube is provided in a cooling section of the article configured to cool aerosols generated from the rod of aerosol generating material when the rod of aerosol generating material is heated during use. 
     
     
         14 . An article according to  claim 13 , wherein the cooling section further comprises a cavity between the hollow tube and a downstream filter plug. 
     
     
         15 . An article according to  claim 12 , wherein the hollow tube comprises a plurality of layers of sheet material. 
     
     
         16 . An article according to  claim 15 , wherein the sheet material has a basis weight below 90 GSM, below 80 GSM, or below 70 GSM. 
     
     
         17 . article for use in a non-combustible aerosol provision system, the article comprising:
 a mouthpiece comprising a filter plug, and a hollow tube at a mouth end of the mouthpiece, and a tubular cooling section upstream of the filter segment, the filter plug being circumscribed by a layer of sheet material, the layer of sheet material extending longitudinally beyond a downstream edge of the filter plug, thereby forming the hollow tube at the mouth end of the mouthpiece, and the sheet material extending longitudinally beyond an upstream edge of the filter plug, thereby forming the tubular cooling section upstream of the filter segment; and   a rod of aerosol generating material connected to the mouthpiece by a tipping paper circumscribing the cooling section and the rod of aerosol generating material, the cooling section being provided adjacent to and in abutment with the rod of aerosol generating material.   
     
     
         18 . An article according to  claim 17 , wherein the hollow tube at the mouth end comprises a channel having an inner surface defined by the layer of sheet material. 
     
     
         19 . An article according to  claim 17 , wherein the cooling section comprises a channel having an inner surface defined by the layer of sheet material. 
     
     
         20 . An article according to  claim 17 , wherein the cooling section further comprises a hollow tubular segment circumscribed by the layer of sheet material, wherein the hollow tubular segment defines an inner surface of a channel through the cooling section. 
     
     
         21 . An article according to  claim 19 , wherein the hollow tubular segment is longitudinally spaced from the filter plug such that the cooling section comprises a cavity between the hollow tubular segment and the filter plug. 
     
     
         22 . An article according to  claim 1 , wherein the aerosol generating material comprises tobacco material. 
     
     
         23 . Use of an article according to  claim 1  in a non-combustible aerosol provision system 
     
     
         24 . A system comprising an article according to  claim 1 , and a non-combustible aerosol provision device for heating the aerosol generating material of the article. 
     
     
         25 . A method of manufacturing an article for use in a non-combustible aerosol provision system, the method comprising:
 forming a mouthpiece by wrapping a filter plug with a layer of sheet material, the layer of sheet material extending longitudinally beyond a downstream edge of the filter plug, thereby forming a first hollow tube at a mouth end of the mouthpiece, and the layer of sheet material extending longitudinally beyond an upstream edge of the filter segment thereby forming a tubular cooling section upstream of the filter segment; and   connecting the mouthpiece to a rod of aerosol generating material by a tipping paper circumscribing the cooling section and the rod of aerosol generating material, the cooling section being provided adjacent to and in abutment with the rod of aerosol generating material.   
     
     
         26 . A method according to  claim 25 , wherein forming the mouthpiece further comprises wrapping the layer of sheet material around a hollow tubular segment upstream of the filter plug, such that the cooling section comprises a portion of the layer of sheet material circumscribing the hollow tubular segment. 
     
     
         27 . A method according to  claim 26 , wherein the hollow tubular segment is longitudinally spaced from the filter plug such that the cooling section further comprises a channel having an inner surface defined by the layer of sheet material. 
     
     
         28 . An article for use in a non-combustible aerosol provision system manufactured by the method according to  claim 25 .