Smoking article with non-combustible wrapper, combustible fuel source and aerosol generator

A smoking article having a smoking material rod comprising a substantially noncombustible wrapper extending along substantially the full length of the smoking material rod and enwrapping smoking material, said smoking material comprising a combustible fuel source extending along combustible fuel source extending along substantially the full length of the smoking material rod, and aerosol generating means being disposed between the fuel source and the wrapper and extending along substantially the length of the smoking material rod, characterised in that said wrapper is comprised of predominantly non-combustible, particulate, inorganic filler material, a binder, optionally a plasticiser, and optionally a small amount of cellulosic fibre material, and said inorganic filler material is at least 65% by weight of said wrapper.

A substantially non-combustible smoking article wrapper comprised of predominately non-combustible particulate, inorganic filler material, a binder, optionally a plasticiser, and optionally a small amount of cellulosic fibre material, said inorganic filler material being at least 65% by weight of said wrapper, wherein the wrapper comprises a binder at up to 30% by weight of the wrapper, wherein the binder is an inorganic, non-combustible binder.

A smoking article fuel source of substantially the whole length of a smoking article, the fuel source comprising 30-70% carbon, 22-60% non-combustible inorganic filler material, 0-5% plasticiser, 7-10% organic binder, and 0-2% fibre.

A smoking article aerosol generating fuel source the aerosol generating source comprising 0-35% inorganic filler material, 5-30% aerosol forming means, 30-60% inorganic binder, 30-65% carbon and 0-10% burn promoter.

A smoking article aerosol generating fuel source the aerosol generating source comprising 86-0% inorganic filler material, 5-30% aerosol forming means, 1-25% organic binder and 8-60% carbon.

A smoking article aerosol generating fuel source comprising organic filler material other than tobacco, optionally a non-combustible inorganic filler material, aerosol forming means, organic binder and carbon.

A method of producing a substantially non-combustible smoking article wrapper comprising predominantly non-combustible, inorganic filler material and a binder, the method comprising producing a mixture of the non-combustible inorganic filler material and a binder, extruding the mixture to provide a hollow tube, and contacting the hollow tube with a material which causes the hollow tube to set rapidly, said material which causes said hollow tube to set being either a water scavenging substance which removes water contained in said tube, a solution which renders a soluble binder in said mixture of said tube insoluble, or a hydrophilic substance which removes water from an aqueous-containing mixture of said tube.

A method of producing a substantially non-combustible smoking article wrapper comprising predominantly non-combustible inorganic filler material and a binder, the method comprising producing a mixture of the non-combustible inorganic filler material and a binder, extruding the mixture to provide a hollow tube, and contacting the hollow tube with a material which causes the hollow tube to set rapidly, and wherein pre-extrusion, a sub-critical level of precipitating agent is present in an extruder barrel and post extrusion a level of precipitating agent is increased to a critical level to cause complete precipitation.

A smoking article having a smoking material rod comprising a substantially non-combustible wrapper extending substantially along the length of the smoking material rod and enwrapping a combustible fuel source extending substantially along the full length of the smoking material rod, and aerosol generating means being disposed between the fuel source and the wrapper and extending substantially along the full length of the smoking material rod.