Aerosol generating article with thick paper

Abstract

An aerosol generating article (10) includes an aerosol generating substrate (20), a filter element (22), and a first paper wrapper (30) and a second paper wrapper (40) circumscribing the aerosol forming substrate. The first paper wrapper having a thickness in a range from 40 about 90 micrometers to about 160 micrometers. The second paper wrapper joining the aerosol forming substrate to a filter element.

1 . An aerosol generating article comprising:
 an aerosol generating substrate;   a filter element; and   a first paper wrapper and a second paper wrapper circumscribing the aerosol forming substrate, the first paper wrapper having a thickness in a range from about 90 micrometers to about 160 micrometers; and the second paper wrapper joining the aerosol forming substrate to a filter element.   
     
     
         2 . The aerosol generating article according to  claim 1 , wherein the first paper wrapper separates the second paper wrapper from the aerosol generating substrate. 
     
     
         3 . The aerosol generating article according to  claim 1 , wherein the first paper wrapper extends an entire length of the aerosol generating substrate. 
     
     
         4 . The aerosol generating article according to  claim 1 , wherein the first paper wrapper has a paper thickness in a range from about 100 micrometers to about 140 micrometers. 
     
     
         5 . The aerosol generating article according to  claim 1 , wherein the second paper wrapper has a paper thickness in a range from about 10 micrometers to about 50 micrometers. 
     
     
         6 . The aerosol generating article according to  claim 1 , wherein the first paper wrapper does not extend beyond the aerosol generating substrate. 
     
     
         7 . The aerosol generating article according to  claim 1 , wherein the aerosol generating substrate defines a substantially cylindrical shape having a diameter in a range from about 6.8 mm to about 7.1 mm. 
     
     
         8 . The aerosol generating article according to  claim 1 , wherein the first paper wrapper has a ratio of paper thickness to tobacco substrate diameter in a range from about 1:120 to about 1:40. 
     
     
         9 . The aerosol generating article according to  claim 1 , wherein the aerosol generating substrate comprises homogenized tobacco material. 
     
     
         10 . The aerosol generating article according to  claim 9 , wherein the homogenized tobacco material comprises tobacco material, from about 1 percent to about 5 percent of a binder, and from about 5 percent to about 30 percent of an aerosol-former, in dry weight basis. 
     
     
         11 . The aerosol generating article according to  claim 1 , wherein the aerosol generating substrate comprises a metallic induction heating element. 
     
     
         12 . The aerosol generating article according to  claim 1 , wherein the aerosol generating substrate comprises a plurality of metallic induction heating elements. 
     
     
         13 . An aerosol generating system comprising, the aerosol generating article according to  claim 1  and an aerosol generating device comprising a heating element configured to heat the aerosol generating substrate. 
     
     
         14 . The aerosol generating system according to  claim 13 , wherein the heating element is a resistive heating blade element configured to be inserted into the aerosol generating substrate. 
     
     
         15 . The aerosol generating system according to  claim 13 , wherein the heating element is an inductive heating element configured to inductively heat metallic induction heating elements embedded within the aerosol generating substrate. 
     
     
         16 . The aerosol generating article according to  claim 5 , wherein the first paper wrapper has a paper thickness in a range from 125 micrometers to about 140 micrometers. 
     
     
         17 . The aerosol generating article according to  claim 1 , wherein the first paper wrapper has a paper thickness in a range from 100 micrometers to about 140 micrometers, and the second paper wrapper has a paper thickness in a range from about 10 micrometers to about 35 micrometers. 
     
     
         18 . The aerosol generating article according to  claim 17 , wherein the first paper wrapper has a ratio of paper thickness to tobacco substrate diameter in a range from about 1:100 to about 1:50. 
     
     
         19 . The aerosol generating article according to  claim 16 , wherein the aerosol generating substrate comprises a plurality of metallic induction heating elements. 
     
     
         20 . The aerosol generating article according to  claim 17 , wherein the aerosol generating substrate comprises a plurality of metallic induction heating elements.