Cartridge assembly for aerosol-generating system

Abstract

A cartridge assembly for an aerosol-generating system is provided, the cartridge assembly including: a mouthpiece portion including a first connection element; and a bottom portion including a second connection element, the first connection element and the second connection element being configured to be irreversibly connectable to each other, the first connection element including a recess and the second connection element including a protrusion, and a gap being provided between a proximal portion of the recess and a proximal portion of the protrusion.

1 - 14 . (canceled) 
     
     
         15 . A cartridge assembly for an aerosol-generating system, the cartridge assembly comprising:
 a mouthpiece portion comprising a first connection element; and   a bottom portion comprising a second connection element,   wherein the first connection element and the second connection element are configured to be irreversibly connectable to each other,   wherein the first connection element comprises a recess and the second connection element comprises a protrusion, and   wherein a gap is provided between a proximal portion of the recess and a proximal portion of the protrusion.   
     
     
         16 . The cartridge assembly according to  claim 15 , wherein the mouthpiece portion and the bottom portion enclose a liquid reservoir. 
     
     
         17 . The cartridge assembly according to  claim 15 , wherein the first connection element of the mouthpiece portion and the second connection element of the bottom portion provide a liquid-tight connection. 
     
     
         18 . The cartridge assembly according to  claim 15 ,
 wherein the first connection element of the mouthpiece portion further comprises a first snap-fit element and the second connection element of the bottom portion further comprises a second snap-fit element, and   wherein the first and the second snap-fit elements are configured to provide a snap-fit connection.   
     
     
         19 . The cartridge assembly according to  claim 15 , wherein the first connection element of the mouthpiece portion and the second connection element of the bottom portion provide a connection preventing rotation of the mouthpiece portion and the bottom portion relative to each other. 
     
     
         20 . The cartridge assembly according to  claim 15 , wherein the recess and the protrusion have matching shapes. 
     
     
         21 . The cartridge assembly according to  claim 15 , wherein the recess and the protrusion are coaxially arranged. 
     
     
         22 . The cartridge assembly according to  claim 15 , wherein the recess and the protrusion have a rounded trapezoidal cross-section. 
     
     
         23 . The cartridge assembly according to  claim 15 , wherein the mouthpiece portion further comprises the recess at an inner surface of a sidewall of the mouthpiece. 
     
     
         24 . The cartridge assembly according to  claim 15 , wherein the recess has a depth of between 0.15 millimeter and 0.50 millimeter. 
     
     
         25 . The cartridge assembly according to  claim 15 , wherein the recess has a depth of between 0.15 millimeter and 0.30 millimeter. 
     
     
         26 . The cartridge assembly according to  claim 15 ,
 wherein the recess comprises a distal surface and a proximal surface, and   wherein at least one of the proximal and the distal surfaces are inclined.   
     
     
         27 . The cartridge assembly according to  claim 26 , wherein a length of the proximal surface is larger than a length of the distal surface. 
     
     
         28 . The cartridge assembly according to  claim 26 , wherein the distal surface is inclined with an inclination angle of between 10 degrees to 60 degrees. 
     
     
         29 . The cartridge assembly according to  claim 26 , wherein the distal surface is inclined with an inclination angle of between 20 degrees to 50 degrees. 
     
     
         30 . The cartridge assembly according to  claim 26 , wherein the distal surface is inclined with an inclination angle of between 30 degrees to 35 degrees. 
     
     
         31 . The cartridge assembly according to  claim 15 , wherein the gap is a coaxial gap. 
     
     
         32 . The cartridge assembly according to  claim 15 , wherein the bottom portion comprises a heater. 
     
     
         33 . The cartridge assembly according to  claim 32 , wherein the heater is a mesh heater. 
     
     
         34 . The cartridge assembly according to  claim 15 , wherein the recess and the protrusion are arranged circumferentially around a longitudinal axis of the cartridge assembly.