An Aerosol Generating Device

Abstract

The present invention includes an aerosol generating device comprising a main body configured to receive an aerosol generating article. The main body includes an outer casing having an inner surface and an outer surface; an inner casing having an inner surface and an outer surface; an inner cover having an inner surface and an outer surface; an outer cover having an inner surface and an outer surface, the outer cover being positioned over the inner cover, a periphery of the outer cover contacting a periphery of the outer casing wherein the inner surfaces of the outer casing and the outer cover entirely cover the outer surfaces of the inner casing and the inner cover and wherein the outer casing forms a single piece.

1 . An aerosol generating device comprising a main body configured to receive an aerosol generating article, the main body comprising:
 an outer casing having an inner surface and an outer surface;   an inner casing having an inner surface and an outer surface, the inner casing being positioned inside the outer casing adjacent to the inner surface of the outer casing;   an inner cover having an inner surface, the inner cover being secured to a periphery of the inner casing to define a space between the inner surface of the inner cover and the inner surface of the inner casing;   an outer cover having an inner surface and an outer surface, the outer cover being positioned over the inner cover, a periphery of the outer cover contacting a periphery of the outer casing;   wherein:
 the inner surfaces of the outer casing and the outer cover entirely cover the outer surfaces of the inner casing and the inner cover; and 
 the outer casing forms a single piece. 
   
     
     
         2 . The aerosol generating device according to  claim 1 , wherein the outer casing comprises a metal or a plastic material. 
     
     
         3 . The aerosol generating device according to  claim 1 , wherein the inner cover and the inner surface of the outer cover are positioned adjacent to each other. 
     
     
         4 . The aerosol generating device according to  claim 1 , wherein the inner casing is received entirely inside the outer casing. 
     
     
         5 . The aerosol generating device according to  claim 1 , wherein:
 the main body has an elongated shape according to a longitudinal direction;   the main body defines a back wall and a front wall extending substantially perpendicularly to a transverse direction of the aerosol generating device, and a plurality of lateral walls extending substantially along the transverse direction between the front and back walls, the transverse direction being perpendicular to the longitudinal direction.   
     
     
         6 . The aerosol generating device according to  claim 5 , wherein the back wall and the lateral walls are formed by the outer casing. 
     
     
         7 . The aerosol generating device according to  claim 6 , wherein the outer casing forms a rounded edge between the back wall and each lateral wall. 
     
     
         8 . The aerosol generating device according to  claim 5 , wherein the front wall is formed by the outer cover. 
     
     
         9 . The aerosol generating device according to  claim 1 , wherein the outer surface of the outer casing and the outer surface of the outer cover define an external surface of the aerosol generating device, and the periphery contacts the periphery of the outer casing so that the outer surface of the outer cover lies substantially flush with the outer surface of the outer casing to define a continuous external surface. 
     
     
         10 . The aerosol generating device according to  claim 1 , wherein the aerosol generating device comprises an aerosol generating unit in the space defined between the inner surface of the inner cover and the inner surface of the inner casing, the aerosol generating unit including a cavity for receiving an aerosol generating article. 
     
     
         11 . The aerosol generating device according to  claim 10 , wherein the aerosol generating unit further comprises a power source received in a power source cavity extending along a longitudinal direction of the aerosol generating device. 
     
     
         12 . The aerosol generating device according to  claim 11 , wherein the inner cover further defines power source venting holes. 
     
     
         13 . The aerosol generating device according to  claim 12 , wherein the power source venting holes extend between the inner surface and the outer surface of the inner cover on a venting portion facing the power source. 
     
     
         14 . The aerosol generating device according to  claim 13 , wherein the venting portion is adjacent to the periphery of the inner cover. 
     
     
         15 . The aerosol generating device according to  claim 13 , wherein the venting portion is masked by the outer cover. 
     
     
         16 . The aerosol generating device according to  claim 11 , wherein the inner surface of the inner cover is designed to hold the power source in the power source cavity. 
     
     
         17 . The aerosol generating device according to  claim 1 , wherein the inner surface of the inner cover is substantially continuous. 
     
     
         18 . The aerosol generating device according to  claim 2 , wherein the metal comprises aluminium.