Cooling element

Abstract

A cooling element comprising a longitudinally extending core including a plurality of longitudinally extending bores wherein each bore has a diameter ≥0.8 mm.

1 . A cooling element comprising a longitudinally extending core including a plurality of longitudinally extending bores wherein each bore has a diameter ≥0.8 mm. 
     
     
         2 . A cooling element according to  claim 1  wherein each bore has a diameter from 0.8 mm to 2.5 mm. 
     
     
         3 . A cooling element according to  claim 1  wherein each bore has a diameter from 1.5 mm to 2.5 mm. 
     
     
         4 . A cooling element according to any  claim 1  including from 2 to 12 bores. 
     
     
         5 . A cooling element according to  claim 1  including from 2 to 6 bores. 
     
     
         6 . (canceled) 
     
     
         7 . A cooling element according to  claim 1  wherein each bore extends the full length of the core. 
     
     
         8 . A cooling element according to  claim 1  wherein the length of the cooling element is from 5 to 50 mm, e.g. 10 to 30 mm, e.g. 8 to 24 mm, e.g. 15 to 20 mm, e.g. 18 mm. 
     
     
         9 . A cooling element according to  claim 1  wherein the circumference of the cooling element is from 12 mm to 30 mm, e.g. 15 mm to 28 mm, more preferably 17 mm to 25 mm. 
     
     
         10 . A cooling element according to  claim 1  wherein the cooling element is thermoformed from cellulose acetate. 
     
     
         11 . A cooling element according to  claim 1  wherein each bore has a substantially circular cross section. 
     
     
         12 . A cooling element according to  claim 1  wherein a bore has a substantially circular cross section and/or wherein a bore has a cross section of a different shape e.g. semi-circular (D-shaped) cross section, e.g. square cross section, e.g. triangular cross section, e.g. hollow star shaped cross section, e.g. trilobal cross section, e.g. pentagonal cross section, e.g. cog-shaped cross section, e.g. a cross section in the shape of a logo or other pattern. 
     
     
         13 . A cooling element for a tobacco heating product and/or HNB product comprising a longitudinally extending core including from 2 to 12 longitudinally extending bores. 
     
     
         14 . A cooling element for a tobacco heating product and/or HNB product comprising a longitudinally extending core including a plurality of longitudinally extending bores wherein each bore has a diameter ≥0.8 mm. 
     
     
         15 . A smoking article (e.g. tobacco heating product, HNB product) comprising a cooling element according to  claim 1  and optionally one or more discrete further segments. 
     
     
         16 . A tobacco heating product and/or HNB product comprising the cooling element of  claim 14 . 
     
     
         17 . A tobacco heating product and/or a HNB product comprising the cooling element of  claim 13 . 
     
     
         18 . A tobacco heating product and/or a HNB product according to  claim 16  wherein each bore has a diameter from 0.8 mm to 2.5 mm. 
     
     
         19 . A tobacco heating product and/or HNB product according to  claim 16  including from 2 to 6 bores. 
     
     
         20 . A tobacco heating product and/or HNB product according to  claim 16  wherein each bore extends the length of the cooling element. 
     
     
         21 . A tobacco heating product and/or HNB product according to  claim 16  further comprising one or more discrete further segments. 
     
     
         22 - 23 . (canceled) 
     
     
         24 . A cooling element according to  claim 1  wherein the plurality of longitudinally extending bores comprises 3 longitudinally extending bores. 
     
     
         25 . A cooling element according to  claim 1  wherein the plurality of longitudinally extending bores comprises 4 longitudinally extending bores. 
     
     
         26 . A cooling element according to  claim 1  wherein the plurality of longitudinally extending bores comprises 5 longitudinally extending bores. 
     
     
         27 . A method of making a cooling element comprising a step of passing a material to which plasticiser has been applied through a shaping means while heat treating the material to thereby form a longitudinally extending core of the material including a plurality of longitudinally extending bores wherein each bore has a diameter ≥0.8 mm, the shaping means including at least one protruding inner rod (mandrel) comprising a plurality of pins that each have a cross sectional profile substantially equal to the cross section of a longitudinally extending bore. 
     
     
         28 . A cooling element according to  claim 13  wherein the 2 to 12 longitudinally extending bores comprises 3 longitudinally extending bores. 
     
     
         29 . A tobacco heating product and/or a HNB product according to  claim 17  wherein the 2 to 12 longitudinally extending bores comprises 3 to 5 longitudinally extending bores.