Aerosol generating article with retainer

Abstract

There is provided an aerosol generating device for use with a heat source and an aerosol-forming substrate. The aerosol generating device comprises an elongate body extending between an upstream end and a downstream end, the elongate body having an upstream recess for receiving an aerosol-forming substrate and a heat source. The aerosol generating device further comprises an annular cutting edge disposed at the upstream end of the upstream recess. The aerosol generating device further comprises an ejection element disposed within the elongate body, the ejection element being movable between a first position and a second position, the ejection element extending further into the upstream recess in the second position than in the first position. There is further provided a pack for use with the aerosol generating device.

1 . An aerosol generating device comprising,
 an elongate body extending between an upstream end and a downstream end, the elongate body having an upstream recess for receiving an aerosol-forming substrate and a heat source,   an annular cutting edge capable of piercing or cutting through a layer of frangible material of a pack, the annular cutting edge being disposed at the upstream end of the upstream recess, and   an ejection element disposed within the elongate body, the ejection element being movable between a first position and a second position, the ejection element extending further into the upstream recess in the second position than in the first position.   
     
     
         2 . The aerosol generating device according to  claim 1 , wherein the ejection element comprises a hollow lumen through which the upstream recess is in fluid communication with the downstream end of the elongate body. 
     
     
         3 . The aerosol generating device according to  claim 1 , further comprising an urging means to urge the ejection element from the first position to the second position. 
     
     
         4 . The aerosol generating device according to  claim 3 , wherein the urging means comprises a compression spring. 
     
     
         5 . The aerosol generating device according to  claim 3 , further comprising a retainer to hold the ejection element in the first position. 
     
     
         6 . The aerosol generating device according to  claim 5  wherein the retainer comprises a magnetic connection. 
     
     
         7 . The aerosol generating device according to  claim 1 , further comprising an extinguishing sleeve having an upstream end and a downstream end, movable relative to the elongate body in a longitudinal direction between a loading position, in which the cutting edge of the elongate body extends beyond the upstream end of the extinguishing position, and an extinguishing position in which the cutting edge of the elongate body is disposed downstream of the upstream end of the extinguishing sleeve. 
     
     
         8 . The aerosol generating device according to  claim 7 , wherein the extinguishing sleeve is further moveable from the extinguishing position to an ejection position in which the cutting edge of the elongate body is disposed further downstream of the upstream end of the extinguishing sleeve than in the extinguishing position, and movement of the extinguishing sleeve from the extinguishing position to the ejection position causes the ejection element to move from the first position to the second position. 
     
     
         9 . The aerosol generating device according to  claim 7 , wherein the aerosol generating device further comprises at least one air inlet through the elongate body, into the upstream recess. 
     
     
         10 . The aerosol generating device according to  claim 9 , wherein the at least one air inlet comprises at least one upstream air inlet for supplying air to a heat source, and at least one downstream air inlet for supplying air to an aerosol-forming substrate. 
     
     
         11 . The aerosol generating device according to  claim 10 , wherein the extinguishing sleeve comprises at least one sleeve air inlet, the at least one sleeve air inlet being configured to align with the at least one downstream air inlet of the elongate body when the extinguishing sleeve is in the loading position such that, in the loading position air may pass through the at least one sleeve air inlet and then through the at least one downstream air inlet of the elongate body to an aerosol-forming substrate. 
     
     
         12 . The aerosol generating device according to  claim 7 , further comprising a heat conducting body disposed within the upstream recess and connected to the extinguishing sleeve such that movement of the extinguishing sleeve between the loading and the extinguishing position causes a corresponding movement of the heat conducting body. 
     
     
         13 . The aerosol generating device according to  claim 1 , further comprising at least one retaining means disposed in the recess configured to retain a heat source. 
     
     
         14 . The aerosol generating device according to  claim 1 , wherein the downstream end of elongate body comprises downstream recess for receiving a mouthpiece. 
     
     
         15 . The aerosol generating device according to  claim 14 , wherein the recess comprises at least one portion having a reduced diameter. 
     
     
         16 . A pack for use with the aerosol generating device according to  claim 1 , the pack comprising:
 a heat source storage portion having a longitudinal body, a closed first end, and an opposed second end, the heat source storage portion second end being closed by a layer of frangible material, and   a heat source disposed in the heat source storage portion.   
     
     
         17 . The pack according to  claim 16 , further comprising;
 an aerosol-forming substrate storage portion having a longitudinal body, a first end, and an opposed second end, the aerosol-forming substrate storage portion first end being closed by the layer of frangible material, and the aerosol-forming substrate storage portion second end being closed by a removable closure, and   an aerosol-forming substrate disposed within the aerosol-forming substrate storage portion.   
     
     
         18 . The pack according to  claim 17 , wherein the pack further comprises at least one resilient element extending into the aerosol-forming substrate storage portion from the longitudinal body of the aerosol-forming substrate storage portion. 
     
     
         19 . The pack according to  claim 17 , wherein a portion of the layer of frangible material forms a barrier between the heat source and the aerosol-forming substrate. 
     
     
         20 . The pack according to  claim 16 , further comprising an alignment layer overlying the layer of frangible material at the second end of the heat source storage portion, the alignment layer comprising an aperture and at least one resilient member extending inwards from the edge of the aperture.