EP4358753A1 - An article for use with a non-combustible aerosol provision device - Google Patents

An article for use with a non-combustible aerosol provision device

Info

Publication number
EP4358753A1
EP4358753A1 EP22740462.1A EP22740462A EP4358753A1 EP 4358753 A1 EP4358753 A1 EP 4358753A1 EP 22740462 A EP22740462 A EP 22740462A EP 4358753 A1 EP4358753 A1 EP 4358753A1
Authority
EP
European Patent Office
Prior art keywords
aerosol
article
susceptor
component
tubular element
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
EP22740462.1A
Other languages
German (de)
English (en)
French (fr)
Inventor
Steven Holford
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Nicoventures Trading Ltd
Original Assignee
Nicoventures Trading Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Nicoventures Trading Ltd filed Critical Nicoventures Trading Ltd
Publication of EP4358753A1 publication Critical patent/EP4358753A1/en
Pending legal-status Critical Current

Links

Classifications

    • A—HUMAN NECESSITIES
    • A24—TOBACCO; CIGARS; CIGARETTES; SIMULATED SMOKING DEVICES; SMOKERS' REQUISITES
    • A24D—CIGARS; CIGARETTES; TOBACCO SMOKE FILTERS; MOUTHPIECES FOR CIGARS OR CIGARETTES; MANUFACTURE OF TOBACCO SMOKE FILTERS OR MOUTHPIECES
    • A24D1/00—Cigars; Cigarettes
    • A24D1/20—Cigarettes specially adapted for simulated smoking devices
    • A—HUMAN NECESSITIES
    • A24—TOBACCO; CIGARS; CIGARETTES; SIMULATED SMOKING DEVICES; SMOKERS' REQUISITES
    • A24C—MACHINES FOR MAKING CIGARS OR CIGARETTES
    • A24C5/00—Making cigarettes; Making tipping materials for, or attaching filters or mouthpieces to, cigars or cigarettes
    • A24C5/01—Making cigarettes for simulated smoking devices
    • A—HUMAN NECESSITIES
    • A24—TOBACCO; CIGARS; CIGARETTES; SIMULATED SMOKING DEVICES; SMOKERS' REQUISITES
    • A24D—CIGARS; CIGARETTES; TOBACCO SMOKE FILTERS; MOUTHPIECES FOR CIGARS OR CIGARETTES; MANUFACTURE OF TOBACCO SMOKE FILTERS OR MOUTHPIECES
    • A24D1/00—Cigars; Cigarettes
    • A24D1/02—Cigars; Cigarettes with special covers
    • A—HUMAN NECESSITIES
    • A24—TOBACCO; CIGARS; CIGARETTES; SIMULATED SMOKING DEVICES; SMOKERS' REQUISITES
    • A24D—CIGARS; CIGARETTES; TOBACCO SMOKE FILTERS; MOUTHPIECES FOR CIGARS OR CIGARETTES; MANUFACTURE OF TOBACCO SMOKE FILTERS OR MOUTHPIECES
    • A24D1/00—Cigars; Cigarettes
    • A24D1/02—Cigars; Cigarettes with special covers
    • A24D1/027—Cigars; Cigarettes with special covers with ventilating means, e.g. perforations
    • A—HUMAN NECESSITIES
    • A24—TOBACCO; CIGARS; CIGARETTES; SIMULATED SMOKING DEVICES; SMOKERS' REQUISITES
    • A24D—CIGARS; CIGARETTES; TOBACCO SMOKE FILTERS; MOUTHPIECES FOR CIGARS OR CIGARETTES; MANUFACTURE OF TOBACCO SMOKE FILTERS OR MOUTHPIECES
    • A24D1/00—Cigars; Cigarettes
    • A24D1/04—Cigars; Cigarettes with mouthpieces or filter-tips
    • A—HUMAN NECESSITIES
    • A24—TOBACCO; CIGARS; CIGARETTES; SIMULATED SMOKING DEVICES; SMOKERS' REQUISITES
    • A24D—CIGARS; CIGARETTES; TOBACCO SMOKE FILTERS; MOUTHPIECES FOR CIGARS OR CIGARETTES; MANUFACTURE OF TOBACCO SMOKE FILTERS OR MOUTHPIECES
    • A24D1/00—Cigars; Cigarettes
    • A24D1/04—Cigars; Cigarettes with mouthpieces or filter-tips
    • A24D1/045—Cigars; Cigarettes with mouthpieces or filter-tips with smoke filter means
    • A—HUMAN NECESSITIES
    • A24—TOBACCO; CIGARS; CIGARETTES; SIMULATED SMOKING DEVICES; SMOKERS' REQUISITES
    • A24D—CIGARS; CIGARETTES; TOBACCO SMOKE FILTERS; MOUTHPIECES FOR CIGARS OR CIGARETTES; MANUFACTURE OF TOBACCO SMOKE FILTERS OR MOUTHPIECES
    • A24D3/00—Tobacco smoke filters, e.g. filter-tips, filtering inserts; Filters specially adapted for simulated smoking devices; Mouthpieces for cigars or cigarettes
    • A24D3/04—Tobacco smoke filters characterised by their shape or structure
    • A24D3/043—Tobacco smoke filters characterised by their shape or structure with ventilation means, e.g. air dilution
    • A—HUMAN NECESSITIES
    • A24—TOBACCO; CIGARS; CIGARETTES; SIMULATED SMOKING DEVICES; SMOKERS' REQUISITES
    • A24D—CIGARS; CIGARETTES; TOBACCO SMOKE FILTERS; MOUTHPIECES FOR CIGARS OR CIGARETTES; MANUFACTURE OF TOBACCO SMOKE FILTERS OR MOUTHPIECES
    • A24D3/00—Tobacco smoke filters, e.g. filter-tips, filtering inserts; Filters specially adapted for simulated smoking devices; Mouthpieces for cigars or cigarettes
    • A24D3/06—Use of materials for tobacco smoke filters
    • A24D3/062—Use of materials for tobacco smoke filters characterised by structural features
    • A24D3/063—Use of materials for tobacco smoke filters characterised by structural features of the fibers
    • A—HUMAN NECESSITIES
    • A24—TOBACCO; CIGARS; CIGARETTES; SIMULATED SMOKING DEVICES; SMOKERS' REQUISITES
    • A24D—CIGARS; CIGARETTES; TOBACCO SMOKE FILTERS; MOUTHPIECES FOR CIGARS OR CIGARETTES; MANUFACTURE OF TOBACCO SMOKE FILTERS OR MOUTHPIECES
    • A24D3/00—Tobacco smoke filters, e.g. filter-tips, filtering inserts; Filters specially adapted for simulated smoking devices; Mouthpieces for cigars or cigarettes
    • A24D3/06—Use of materials for tobacco smoke filters
    • A24D3/08—Use of materials for tobacco smoke filters of organic materials as carrier or major constituent
    • A24D3/10—Use of materials for tobacco smoke filters of organic materials as carrier or major constituent of cellulose or cellulose derivatives
    • A—HUMAN NECESSITIES
    • A24—TOBACCO; CIGARS; CIGARETTES; SIMULATED SMOKING DEVICES; SMOKERS' REQUISITES
    • A24D—CIGARS; CIGARETTES; TOBACCO SMOKE FILTERS; MOUTHPIECES FOR CIGARS OR CIGARETTES; MANUFACTURE OF TOBACCO SMOKE FILTERS OR MOUTHPIECES
    • A24D3/00—Tobacco smoke filters, e.g. filter-tips, filtering inserts; Filters specially adapted for simulated smoking devices; Mouthpieces for cigars or cigarettes
    • A24D3/17—Filters specially adapted for simulated smoking devices
    • A—HUMAN NECESSITIES
    • A24—TOBACCO; CIGARS; CIGARETTES; SIMULATED SMOKING DEVICES; SMOKERS' REQUISITES
    • A24F—SMOKERS' REQUISITES; MATCH BOXES; SIMULATED SMOKING DEVICES
    • A24F40/00—Electrically operated smoking devices; Component parts thereof; Manufacture thereof; Maintenance or testing thereof; Charging means specially adapted therefor
    • A24F40/20—Devices using solid inhalable precursors
    • A—HUMAN NECESSITIES
    • A24—TOBACCO; CIGARS; CIGARETTES; SIMULATED SMOKING DEVICES; SMOKERS' REQUISITES
    • A24F—SMOKERS' REQUISITES; MATCH BOXES; SIMULATED SMOKING DEVICES
    • A24F40/00—Electrically operated smoking devices; Component parts thereof; Manufacture thereof; Maintenance or testing thereof; Charging means specially adapted therefor
    • A24F40/40—Constructional details, e.g. connection of cartridges and battery parts
    • A—HUMAN NECESSITIES
    • A24—TOBACCO; CIGARS; CIGARETTES; SIMULATED SMOKING DEVICES; SMOKERS' REQUISITES
    • A24D—CIGARS; CIGARETTES; TOBACCO SMOKE FILTERS; MOUTHPIECES FOR CIGARS OR CIGARETTES; MANUFACTURE OF TOBACCO SMOKE FILTERS OR MOUTHPIECES
    • A24D3/00—Tobacco smoke filters, e.g. filter-tips, filtering inserts; Filters specially adapted for simulated smoking devices; Mouthpieces for cigars or cigarettes
    • A24D3/04—Tobacco smoke filters characterised by their shape or structure

Definitions

  • the following relates to an article for use with a non-combustible aerosol provision device and a method of manufacturing an article for use with a non-combustible aerosol provision device.
  • Certain tobacco industry products produce an aerosol during use, which is inhaled by a user.
  • tobacco heating devices heat an aerosol generating substrate such as tobacco to form an aerosol by heating, but not burning, the substrate.
  • Such tobacco industry products commonly include mouthpieces through which the aerosol passes to reach the user’s mouth.
  • an article for use with a non-combustible aerosol provision device comprising an aerosol generating material, a mouth end section, and a tubular element, having a longitudinal axis, located between the aerosol generating material and the mouth end section, the tubular element comprising an inner wall and a ventilation area in the tubular element through which air is drawn into the tubular element, wherein a component is received in the tubular element, the component having an outer surface and being configured so that aerosol flow through the tubular element is diverted into a flow path formed between the outer surface of the component and said inner wall of the tubular element, and wherein the ventilation air is configured such that ventilation air enters the flow path through the ventilation area to mix with the aerosol which is flowing along the flow path, before flowing into said mouth end section.
  • an article for use with a non-combustible aerosol provision device comprising an aerosol generating material, a mouth end section, a spacer element, a tubular element, having a longitudinal axis, located between the aerosol generating material and the spacer element, the tubular element comprising an inner wall, wherein a component is received in the tubular element, the component having an outer surface and being configured so that aerosol flow through the tubular element is diverted into a flow path formed between the outer surface of the component and said inner wall of the tubular element, and a ventilation area in the spacer element through which air is drawn into the spacer element, wherein the ventilation area is configured such that ventilation air enters the spacer element and mixes with the aerosol which flowed along the flow path, before flowing into said mouth end section.
  • the spacer element may be hollow.
  • the ventilation area may be configured such that ventilation air passes directly into the flow path along which the aerosol is flowing.
  • the aerosol may flow in an axial direction along the tubular element, and the ventilation area maybe configured such that ventilation air entering the flow path through the ventilation area flows towards the aerosol flowing along the flow path at an angle to said longitudinal axis of the tubular element.
  • the ventilation area may be configured such that ventilation air entering the flow path through the ventilation area flows towards the aerosol flowing along the flow path substantially at right angles to said longitudinal axis of the tubular element.
  • the component may be shaped and positioned within the tubular element so that the flow path extends between the outer surface of said component and the inner wall of the tubular element.
  • the component can be cylindrical and have a longitudinal axis. Furthermore, the component may be positioned in the tubular element such that its longitudinal axis is coaxial with the longitudinal axis of the tubular element.
  • a pocket or depression may be formed in said outer surface of the component to form at least a portion of the flow path.
  • Said pocket or depression may extend in an axial direction along the length of the component.
  • Said pocket or depression may extend linearly in a longitudinal direction along the component.
  • the pocket or depression may at least partially extend circumferentially about the component as it extends in an axial direction along the component.
  • the component may comprise a plurality of pockets or depressions formed in said outer surface of the component.
  • Each pocket or depression maybe circumferentially spaced from its adjacent pocket or depression.
  • the ventilation area may comprise a series of ventilation openings spaced from each other and extending about the circumference of the tubular element.
  • the ventilation area may comprise a series of ventilation openings spaced from each other and extending about the circumference of the hollow spacer element.
  • Each ventilation opening maybe positioned in alignment with a corresponding pocket or depression in the component.
  • the outer surface of the component may be spaced from the inner wall of the tubular element.
  • At least a portion of the outer surface of the component may be in contact with the inner wall of the tubular element.
  • the component may be longitudinally spaced from the aerosol generating material.
  • the hollow spacer element may comprise a paper tube.
  • the article may further comprise a filtration section between the tubular element and the mouth end section.
  • the component may extend into the tubular element from the filtration section.
  • the component may be integrally formed with the filtration section.
  • the component and the filtration section maybe formed from the same material.
  • the component is air permeable.
  • the filtration section and/ or the component may comprise filamentary tow.
  • the filamentary tow comprises cellulose acetate.
  • the component may be impermeable.
  • a method for manufacturing an article for use with a non-combustible aerosol provision device comprising providing an aerosol generating material and a mouth end section, positioning a tubular element, having a longitudinal axis, an inner wall and a ventilation area through which air is drawn into the tubular element, between the aerosol generating material and the mouth end section, and positioning a component, having an outer surface, in the tubular element that is configured to define a flow path between the component and said inner wall so that ventilation air enters the flow path through the ventilation area to mix with the aerosol which is flowing along the flow path, before the mixture flows into said mouth end section.
  • a method for manufacturing an article for use with a non-combustible aerosol provision device comprising providing an aerosol generating material, a mouth end section, and a spacer element, positioning a tubular element, having a longitudinal axis and an inner wall, between the aerosol generating material and the spacer element, and positioning a component, having an outer surface, in the tubular element that is configured to define a flow path between the component and said inner wall so that ventilation air enters the spacer element and mixes with the aerosol which flowed along the flow path, before flowing into said mouth end section.
  • Figure 1 is a side-on cross sectional view of an article according to an embodiment of the invention
  • Figure 2 is a side-on cross sectional view of another article according to an embodiment of the invention.
  • Figure 3 is a side-on cross sectional view of another article according to an embodiment of the invention.
  • Figures 4A to 4D show front cross sectional views of an article according to an embodiment of the invention.
  • Figure 5 is a perspective illustration of a non-combustible aerosol provision device for generating aerosol from the aerosol generating material of the articles of Figures 1 to 3;
  • Figure 6 illustrates the device of Figure 5 with the outer cover removed and without an article present;
  • Figure 7 is a side view of the device of Figure 5 in partial cross-section
  • Figure 8 is an exploded view of the device of Figure 5, with the outer cover omitted;
  • Figure 9A is a cross sectional view of a portion of the device of Figure 5;
  • Figure 9B is a close-up illustration of a region of the device of Figure 9A;
  • Figure 10 is a flow chart of a method of manufacturing an article according to an embodiment of the invention.
  • Figure 11 is a flow chart of a method of manufacturing another article according to an embodiment of the invention.
  • a “non-combustible” aerosol provision system is one where a constituent aerosol-generating material of the aerosol provision system (or component thereof) is not combusted or burned in order to facilitate delivery of at least one substance to a user.
  • the delivery system is a non-combustible aerosol provision system, such as a powered non-combustible aerosol provision system.
  • the non-combustible aerosol provision system is an electronic cigarette, also known as a vaping device or electronic nicotine delivery system (END), although it is noted that the presence of nicotine in the aerosol-generating material is not a requirement.
  • END electronic nicotine delivery system
  • the non-combustible aerosol provision system is an aerosol- generating material heating system, also known as a heat-not-burn system.
  • a heat-not-burn system is a tobacco heating system.
  • the non-combustible aerosol provision system is a hybrid system to generate aerosol using a combination of aerosol-generating materials, one or a plurality of which may be heated.
  • Each of the aerosol-generating materials may be, for example, in the form of a solid, liquid or gel and may or may not contain nicotine.
  • the hybrid system comprises a liquid or gel aerosol-generating material and a solid aerosol-generating material.
  • the solid aerosol-generating material may comprise, for example, tobacco or a non-tobacco product.
  • the non-combustible aerosol provision system may comprise a non combustible aerosol provision device and a consumable for use with the non combustible aerosol provision device.
  • the disclosure relates to consumables comprising aerosol generating material and configured to be used with non-combustible aerosol provision devices. These consumables are sometimes referred to as articles throughout the disclosure.
  • the non-combustible aerosol provision system such as a non combustible aerosol provision device thereof, may comprise a power source and a controller.
  • the power source may, for example, be an electric power source or an exothermic power source.
  • the exothermic power source comprises a carbon substrate which may be energised so as to distribute power in the form of heat to an aerosol-generating material or to a heat transfer material in proximity to the exothermic power source.
  • the non-combustible aerosol provision system may comprise an area for receiving the consumable, an aerosol generator, an aerosol generation area, a housing, a mouthpiece, a filter and/ or an aerosol-modifying agent.
  • the consumable for use with the non-combustible aerosol provision device may comprise aerosol-generating material, an aerosol-generating material storage area, an aerosol-generating material transfer component, an aerosol generator, an aerosol generation area, a housing, a wrapper, a filter, a mouthpiece, and/ or an aerosol-modifying agent.
  • the substance to be delivered comprises an active substance.
  • the active substance as used herein may be a physiologically active material, which is a material intended to achieve or enhance a physiological response.
  • the active substance may for example be selected from nutraceuticals, nootropics, psychoactives.
  • the active substance may be naturally occurring or synthetically obtained.
  • the active substance may comprise for example nicotine, caffeine, taurine, theine, vitamins such as B6 or Bi2 or C, melatonin, cannabinoids, or constituents, derivatives, or combinations thereof.
  • the active substance may comprise one or more constituents, derivatives or extracts of tobacco, cannabis or another botanical.
  • the active substance comprises nicotine. In some embodiments, the active substance comprises caffeine, melatonin or vitamin B12.
  • Aerosol-generating material is a material that is capable of generating aerosol, for example when heated, irradiated or energized in any other way. Aerosol-generating material may, for example, be in the form of a solid, liquid or gel which may or may not contain an active substance and/or flavourants. In some embodiments, the aerosol- generating material may comprise an “amorphous solid”, which may alternatively be referred to as a “monolithic solid” (i.e. non-fibrous). In some embodiments, the amorphous solid may be a dried gel. The amorphous solid is a solid material that may retain some fluid, such as liquid, within it. In some embodiments, the aerosol generating material may for example comprise from about 50wt%, 6owt% or 70wt% of amorphous solid, to about 90wt%, 95wt% or ioowt% of amorphous solid.
  • the aerosol-generating material may comprise one or more active substances and/or flavours, one or more aerosol-former materials, and optionally one or more other functional material.
  • the aerosol-former material may comprise one or more constituents capable of forming an aerosol.
  • the aerosol-former material may comprise one or more of glycerine, glycerol, propylene glycol, diethylene glycol, triethylene glycol, tetraethylene glycol, 1,3-butylene glycol, erythritol, meso-Erythritol, ethyl vanillate, ethyl laurate, a diethyl suberate, triethyl citrate, triacetin, a diacetin mixture, benzyl benzoate, benzyl phenyl acetate, tributyrin, lauryl acetate, lauric acid, myristic acid, and propylene carbonate.
  • the one or more other functional materials may comprise one or more of pH regulators, colouring agents, preservatives, binders, fillers, stabilizers, and/or antioxidants.
  • the materials described herein maybe present on or in a support, to form a substrate.
  • the support may, for example, be or comprise paper, card, paperboard, cardboard, reconstituted material, a plastics material, a ceramic material, a composite material, glass, a metal, or a metal alloy.
  • the support comprises a susceptor.
  • the susceptor is embedded within the material.
  • the susceptor is on one or either side of the material.
  • a consumable is an article comprising or consisting of aerosol-generating material, part or all of which is intended to be consumed during use by a user.
  • a consumable may comprise one or more other components, such as an aerosol-generating material storage area, an aerosol-generating material transfer component, an aerosol generation area, a housing, a wrapper, a mouthpiece, a filter and/ or an aerosol-modifying agent.
  • a consumable may also comprise an aerosol generator, such as a heater, that emits heat to cause the aerosol-generating material to generate aerosol in use.
  • the heater may, for example, comprise combustible material, a material heatable by electrical conduction, or a susceptor.
  • An aerosol-modifying agent is a substance, typically located downstream of the aerosol generation area, that is configured to modify the aerosol generated, for example by changing the taste, flavour, acidity or another characteristic of the aerosol.
  • the aerosol modifying agent may be provided in an aerosol-modifying agent release component that is operable to selectively release the aerosol-modifying agent.
  • the aerosol-modifying agent may, for example, be an additive or a sorbent.
  • the aerosol-modifying agent may, for example, comprise one or more of a flavourant, a colourant, water, and a carbon adsorbent.
  • the aerosol-modifying agent may, for example, be a solid, a liquid, or a gel.
  • the aerosol-modifying agent maybe in powder, thread or granule form.
  • the aerosol-modifying agent may be free from filtration material.
  • An aerosol generator is an apparatus configured to cause aerosol to be generated from the aerosol-generating material.
  • the aerosol generator is a heater configured to subject the aerosol-generating material to heat energy to release one or more volatiles from the aerosol-generating material to form an aerosol.
  • the aerosol generator is configured to cause an aerosol to be generated from the aerosol-generating material without heating.
  • the aerosol generator maybe configured to subject the aerosol-generating material to one or more of vibration, increased pressure, or electrostatic energy.
  • Articles, such as consumables described herein, for instance those in the shape of rods, are often named according to the product length: “regular” (typically in the range 68 - 75 mm, e.g. from about 68 mm to about 72 mm), “short” or “mini” (68 mm or less), “king size” (typically in the range 75 - 91 mm, e.g. from about 79 mm to about 88 mm), “long” or “super-king” (typically in the range 91 - 105 mm, e.g. from about 94 mm to about 101 mm) and “ultra-long” (typically in the range from about 110 mm to about 121 mm).
  • an article in a king-size, super-slim format will, for example, have a length of about 83 mm and a circumference of about 17 mm.
  • Articles may include an aerosol-generating material and a downstream portion downstream of the aerosol-generating material, and each format may be produced with downstream portions of different lengths.
  • the downstream portion length will usually be from about 30 mm to 50 mm.
  • a tipping paper connects the downstream portion to the aerosol generating material and will usually have a greater length than the downstream portion, for example from 3 to 10 mm longer, such that the tipping paper covers the downstream portion and overlaps the aerosol generating material, for instance in the form of a rod, to connect the downstream portion to the rod.
  • Articles and their aerosol generating materials and downstream portions described herein can be made in, but are not limited to, any of the above formats.
  • upstream and downstream used herein are relative terms defined in relation to the direction of mainstream aerosol drawn though an article or device in use.
  • the filamentary tow material described herein can comprise cellulose acetate fibre tow.
  • the filamentary tow can also be formed using other materials used to form fibres, such as polyvinyl alcohol (PVOH), polylactic acid (PLA), polycaprolactone (PCL), poly(i-4 butanediol succinate) (PBS), poly(butylene adipate-co-terephthalate)(PBAT), starch based materials, cotton, aliphatic polyester materials and polysaccharide polymers or a combination thereof.
  • the filamentary tow may be plasticised with a suitable plasticiser for the tow, such as triacetin where the material is cellulose acetate tow, or the tow may be non-plasticised.
  • the tow can have any suitable specification, such as fibres having a ⁇ ’ shaped or other cross section such as ‘X’ shaped, filamentary denier values between 2.5 and 15 denier per filament, for example between 8.0 and 11.0 denier per filament and total denier values of 5,000 to 50,000, for example between 10,000 and 40,000.
  • suitable specification such as fibres having a ⁇ ’ shaped or other cross section such as ‘X’ shaped, filamentary denier values between 2.5 and 15 denier per filament, for example between 8.0 and 11.0 denier per filament and total denier values of 5,000 to 50,000, for example between 10,000 and 40,000.
  • tobacco material refers to any material comprising tobacco or derivatives or substitutes thereof.
  • tobacco material may include one or more of tobacco, tobacco derivatives, expanded tobacco, reconstituted tobacco or tobacco substitutes.
  • the tobacco material may comprise one or more of ground tobacco, tobacco fibre, cut tobacco, extruded tobacco, tobacco stem, tobacco lamina, reconstituted tobacco and/or tobacco extract.
  • the active substance may comprise or be derived from one or more botanicals or constituents, derivatives or extracts thereof.
  • botanical includes any material derived from plants including, but not limited to, extracts, leaves, bark, fibres, stems, roots, seeds, flowers, fruits, pollen, husk, shells or the like.
  • the material may comprise an active compound naturally existing in a botanical, obtained synthetically.
  • the material may be in the form of - il liquid, gas, solid, powder, dust, crushed particles, granules, pellets, shreds, strips, sheets, or the like.
  • Example botanicals are tobacco, eucalyptus, star anise, hemp, cocoa, cannabis, fennel, lemongrass, peppermint, spearmint, rooibos, chamomile, flax, ginger, ginkgo biloba, hazel, hibiscus, laurel, licorice (liquorice), matcha, mate, orange skin, papaya, rose, sage, tea such as green tea or black tea, thyme, clove, cinnamon, coffee, aniseed (anise), basil, bay leaves, cardamom, coriander, cumin, nutmeg, oregano, paprika, rosemary, saffron, lavender, lemon peel, mint, juniper, elderflower, vanilla, wintergreen, beefsteak plant, curcuma, turmeric, sandalwood, cilantro, bergamot, orange blossom, myrtle, cassis, valerian, pimento, mace, damien, marjoram, olive, lemon
  • the mint maybe chosen from the following mint varieties: Mentha Arventis, Mentha c.v., Mentha niliaca, Mentha piperita, Mentha piperita citrata c.v., Mentha piperita c.v, Mentha spicata crispa, Mentha cardifolia, Memtha longifolia, Mentha suaveolens variegata, Mentha pulegium, Mentha spicata c.v. and Mentha suaveolens
  • the active substance comprises or is derived from one or more botanicals or constituents, derivatives or extracts thereof and the botanical is tobacco.
  • the active substance comprises or derived from one or more botanicals or constituents, derivatives or extracts thereof and the botanical is selected from eucalyptus, star anise, cocoa and hemp. In some embodiments, the active substance comprises or derived from one or more botanicals or constituents, derivatives or extracts thereof and the botanical is selected from rooibos and fennel.
  • the substance to be delivered comprises a flavour.
  • flavour and “flavourant” refer to materials which, where local regulations permit, maybe used to create a desired taste, aroma or other somatosensorial sensation in a product for adult consumers. They may include naturally occurring flavour materials, botanicals, extracts of botanicals, synthetically obtained materials, or combinations thereof (e.g., tobacco, cannabis, licorice
  • the flavour comprises menthol, spearmint and/or peppermint.
  • the flavour comprises flavour components of cucumber, blueberry, citrus fruits and/or redberry.
  • the flavour comprises eugenol.
  • the flavour comprises flavour components extracted from tobacco.
  • the flavour comprises flavour components extracted from cannabis.
  • the flavour may comprise a sensate, which is intended to achieve a somatosensorial sensation which are usually chemically induced and perceived by the stimulation of the fifth cranial nerve (trigeminal nerve), in addition to or in place of aroma or taste nerves, and these may include agents providing heating, cooling, tingling, numbing effect.
  • a suitable heat effect agent may be, but is not limited to, vanillyl ethyl ether and a suitable cooling agent may be, but not limited to eucolyptol, WS-3.
  • Figure 1 illustrates an article for use with a delivery system.
  • the article 1 comprises a mouth end section 2 to be received in a user’s mouth, a cylindrical rod of aerosol generating material 3, in the present case tobacco material, and a tubular element 4.
  • the tubular element 4 comprises a longitudinal axis and is located between the aerosol generating material 3 and the mouth end section 2.
  • the aerosol generating material 3 provides an aerosol when heated, for instance within a non-combustible aerosol provision device as described herein, for instance a non-combustible aerosol provision device comprising a coil, forming a system.
  • the article 1 can include its own heat source, forming an aerosol provision system without requiring a separate aerosol provision device.
  • the aerosol generating material 3, also referred to herein as an aerosol generating substrate 3, comprises at least one aerosol forming material.
  • the aerosol forming material is glycerol.
  • the aerosol forming material can be another material as described herein or a combination thereof.
  • the aerosol forming material has been found to improve the sensory performance of the article, by helping to transfer compounds such as flavour compounds from the aerosol generating material to the consumer.
  • an issue with adding such aerosol forming materials to the aerosol generating material within an article for use in a non combustible aerosol provision system can be that, when the aerosol forming material is aerosolised upon heating, it can increase the mass of aerosol which is delivered by the article, and this increased mass can maintain a higher temperature as it passes through the mouth end section. As it passes through the mouth end section, the aerosol transfers heat into the mouth end section and this warms the outer surface of the mouth end section, including the area which comes into contact with the consumers lips during use.
  • the mouth end section temperature and/or aerosol temperature can be significantly higher than consumers may be accustomed to when smoking, for instance, conventional cigarettes, and this can be an undesirable effect caused by the use of such aerosol forming materials. Therefore, there is a need to reduce the temperature of the aerosol generated to prevent the mouth end section from becoming too hot.
  • the tubular element 4 comprises an inner wall 7 and a ventilation area 8 through which air is drawn into the tubular element 4.
  • the article further comprises a component 6, comprising an outer surface, located within the tubular element 4 and which defines a flow path A for the mixing of aerosol generated by the aerosol generating material 3 with the air drawn into the tubular element 4 through the ventilation area 8 thereby cooling the aerosol generated before it reaches the mouth end section 2.
  • the flow path A defined by the outer surface of the component 6 and the inner wall 7 of the tubular element 4, forces the aerosol to flow through the tubular element 4 towards the mouth end section 2 around the outside of the component 6.
  • the ventilation area 8 is configured such that the air entering through the ventilation area 8 into the tubular element 4 flows into the aerosol as it flows along the flow path A.
  • the ventilation area 8 and the flow path A are in close proximity, the air drawn into the tubular element 4 through the ventilation area 8 directly flows into the aerosol flowing along the flow path A.
  • the air entering the flow path A through the ventilation area 8 is flowing towards the aerosol flowing along the flow path A.
  • the aerosol flows in an axial direction along the tubular element 4 and the ventilation area is configured such the ventilation air may flow towards the aerosol and intersect the aerosol at an angle to the longitudinal axis of the tubular element 4 in the flow path A.
  • the ventilation air may also intersect at right angles to the longitudinal axis to promote mixing.
  • Figure 2 is a side-on cross sectional view of another article 1 for use with a non- combustible aerosol provision system.
  • the article 1 further comprises a filtration section 5 disposed between the mouth end section 2 and the tubular element 4.
  • the component 6 received within the tubular element 4 maybe formed from an impermeable material.
  • the aerosol flowing through the tubular element 4 is forced by the component 6 to flow in close proximity to the ventilation area 8 and therefore mix more effectively with air drawn into the tubular element 4 from the ventilation area 8. This ensures that the aerosol is sufficiently cooled before reaching the mouth end section 2.
  • the component 6 received within the tubular element 4 maybe formed from a semi-permeable material such as filtration material.
  • the filtration material may be filamentary tow and may further comprise cellulose acetate.
  • the component 6 may also be integrally formed with the filtration section 5 and extend from the end of the filtration section 5 into the tubular element 4.
  • Figure 3 illustrates another article 1 for use with a delivery system.
  • the article 1 comprises a mouth end section 2 and a rod of aerosol generating material 3.
  • the article further comprises a spacer element 11.
  • the article comprises a tubular element 4, comprising an inner wall and having a longitudinal axis, located between the aerosol generating material 3 and the spacer element 11.
  • the tubular element 4 comprises a component 6 as described above which defines a flow path A through the tubular element 4.
  • the aerosol generated by the aerosol generating material 3 is diverted along the flow path by the outer wall of the component 6 and the inner wall 7 of the tubular element 4.
  • the spacer element 11 comprises a ventilation area 8 through which air is drawn into the spacer element.
  • the ventilation area 8 is configured such that air entering the spacer element 11 mixes with the aerosol which has flowed along the flow path A, before flowing to the mouth end section 2.
  • the mixing of aerosol and ventilation air reduces the temperature of the aerosol before it reaches the mouth end section.
  • the mixing of the aerosol and ventilation air is the same as described above, however the mixing takes place in the spacer element 11 as the aerosol exits the flow path A.
  • the spacer element 11 maybe hollow and may comprise a paper tube.
  • the article 1 may further comprise a filtration section 5 located between the spacer element 11 and the mouth end section 2. Additionally, the spacer element 11 may be another filtration section 5, such as a plug of cellulose acetate.
  • the component 6 extends partially along the length of the tubular element 4, i.e. the component 6 is longitudinally spaced from the aerosol generating material 3.
  • the component 6 may extend along the full length of the tubular element 4 so that a downstream end of the component 6 abuts the mouth end section 2 or additional section 5 and an upstream end abuts the aerosol generating material 3.
  • Figures 4a to 4d show cross sectional views of embodiments of the article 1 at a point along the tubular element 4.
  • the component 6 has a cylindrical cross section.
  • Figure 4b shows another embodiment where the component 6 has a generally cylindrical cross section and comprises at least one pocket or depression 9 around its circumference. In this embodiment the pocket or depression 9 around the circumference of the component 6 are serrations 9.
  • Figure 4c shows another embodiment where the serrations 9 extend from the component 6 to the inner wall 7 of the tubular element 4.
  • Figure 4d shows another embodiment where the component 6 has a generally cylindrical cross section and comprises at least one pocket or depression around its circumference wherein the pockets or depressions form channels 10 in the component 6.
  • the at least one pocket or depression described in the embodiments above extend along the full length of the component 6.
  • the at least one pocket or depression extends partially along the length of component 6 in an axial direction.
  • the pockets or depressions may be linear or alternatively may extend circumferentially about the component 6 as they extend in an axial direction along the component 6. In other words the pockets or depressions may spiral around the component 6. In embodiments comprising a plurality of pockets or depressions, the pockets or depressions may be circumferentially spaced from adjacent pockets or depressions.
  • the cross section of the component 6 can form any shape and may comprise any number of pockets or depressions and is not limited to the embodiments described above.
  • the pockets or depressions form at least a portion of the flow path A which the aerosol flows along through the tubular element 4.
  • the above components 6 each comprise a longitudinal axis.
  • the component 6 may be arranged within the tubular element 4 such that its longitudinal axis is coaxial with the longitudinal axis of the tubular element 4.
  • the outer surface of the component 6 may be spaced from the inner wall 7 of the tubular element 4. Alternatively, a portion of the outer surface of the component 6 may be in contact with the inner wall 7 of the tubular element 4.
  • the ventilation area 8 comprises a series of ventilation openings spaced from each other and extending about the circumference of the tubular element 4 or hollow spacer element 11. Each ventilation opening may be aligned with a corresponding pocket or depression I order to maximise mixing of the aerosol and ventilation air.
  • the article 1 has an outer circumference of about 21 mm (i.e. the article is in the demi-slim format).
  • the article 1 has a rod of aerosol generating material having a circumference greater than 19mm. This has been found to provide a sufficient circumference to generate an improved and sustained aerosol over a usual aerosol generation session preferred by consumers.
  • heat transfers through the rod of aerosol generating material 3 to volatise components of the rod, and circumferences greater than 19mm have been found to be particularly effective at producing an aerosol in this way. Since the article is to be heated to release an aerosol, improved heating efficiency can be achieved using articles having circumferences of less than about 23mm.
  • rod circumferences of greater than 19mm and less than 23mm are preferable.
  • the rod circumference can be between 20mm and 22mm, which has been found to provide a good balance between providing effective aerosol delivery while allowing for efficient heating.
  • the outer circumference of the mouth end section 2 is substantially the same as the outer circumference of the rod of aerosol generating material 3, such that there is a smooth transition between these components.
  • the outer circumference of the mouth end section 2 is about 20.8mm.
  • the article 1 may be configured such that there is a separation (i.e. a minimum distance) between a heater of the non-combustible aerosol provision device too and the tubular element 4. This prevents heat from the heater from damaging the material forming the tubular element 4.
  • the minimum distance between a heater of the non-combustible aerosol provision device too and the tubular element may be 3 mm or greater. In some examples, minimum distance between the heater of the non-combustible aerosol provision device too and the tubular element may be in the range 3 mm to 10 mm, for example 3 mm, 4 mm, 5 mm, 6 mm, 7 mm, 8 mm, 9 mm or 10 mm.
  • the separation between the heating element of the non-combustible aerosol provision device too and the tubular element maybe achieved by, for example, adjusting the length of the rod of aerosol generating material 3.
  • the tipping paper extends 5 mm over the rod of aerosol generating material 3 but it can alternatively extend between 3 mm and 10 mm over the rod 3, or more preferably between 4 mm and 6 mm, to provide a secure attachment between the mouth end section 2 and rod 3.
  • the tipping paper can have a basis weight which is higher than the basis weight of plug wraps used in the article 1, for instance a basis weight of 40 gsm to 80 gsm, more preferably between 50 gsm and 70 gsm, and in the present example 58 gsm. These ranges of basis weights have been found to result in tipping papers having acceptable tensile strength while being flexible enough to wrap around the article 1 and adhere to itself along a longitudinal lap seam on the paper.
  • the outer circumference of the tipping paper, once wrapped around the mouth end section 2, is about 21mm.
  • the aerosol generating material 3 is wrapped in a wrapper.
  • the wrapper can, for instance, be a paper or paper-backed foil wrapper.
  • the wrapper is substantially impermeable to air.
  • the wrapper optionally has a permeability of less than too Coresta Units, more preferably less than 60 Coresta Units. It has been found that low permeability wrappers, for instance having a permeability of less than too Coresta Units, more preferably less than 60 Coresta Units, results in an improvement in the aerosol formation in the aerosol generating material 3. Without wishing to be bound by theory, it is hypothesised that this is due to reduced loss of aerosol compounds through the wrapper.
  • the wrapper comprises aluminium foil. Aluminium foil has been found to be particularly effective at enhancing the formation of aerosol within the aerosol generating material 3. In the present example, the aluminium foil has a metal layer having a thickness of about 6 pm. In the present example, the aluminium foil has a paper backing. However, in alternative arrangements, the aluminium foil can be other thicknesses, for instance between 4 pm and 16 pm in thickness.
  • the aluminium foil also need not have a paper backing, but could have a backing formed from other materials, for instance to help provide an appropriate tensile strength to the foil, or it could have no backing material.
  • Metallic layers or foils other than aluminium can also be used.
  • the total thickness of the wrapper is optionally between 20 pm and 60 pm, more preferably between 30 pm and 50 pm, which can provide a wrapper having appropriate structural integrity and heat transfer characteristics.
  • the tensile force which can be applied to the wrapper before it breaks can be greater than 3,000 grams force, for instance between 3,000 and 10,000 grams force or between 3,000 and 4,500 grams force.
  • the wrapper surrounding the aerosol generating material comprises citrate, such as sodium citrate and/ or potassium citrate.
  • the wrapper may have a citrate content of 2% by weight or less, or 1% by weight or less. Reducing the citrate content of the wrapper can assist with reducing any visible discolouration of the wrapper during use.
  • the wrapper surrounding the aerosol generating material has a high level of permeability, for example greater than about 1000 Coresta Units, or greater than about 1500 Coresta Units, or greater than about 2000 Coresta Units.
  • the permeability of the wrapper can be measured in accordance with ISO 2965:2009 concerning the determination of air permeability for materials used as cigarette papers, filter plug wrap and filter joining paper.
  • the wrapper may be formed from a material with a high inherent level of permeability, an inherently porous material, or may be formed from a material with any level of inherent permeability where the final level of permeability is achieved by providing the wrapper with a permeable zone or area.
  • Providing a permeable wrapper provides a route for air to enter the smoking article.
  • the wrapper can be provided with a permeability such that the amount of air entering through the rod of aerosol generating material is relatively more than the amount of air entering the article through the ventilation area 8 in the mouth end section 2.
  • An article having this arrangement may produce a more flavoursome aerosol which may be more satisfactory to the user.
  • the article has a ventilation level of about 75% of the aerosol drawn through the article.
  • the article can have a ventilation level of between 50% and 80% of aerosol drawn through the article, for instance between 65% and 75%.
  • Ventilation at these levels helps to slow down the flow of aerosol drawn through the mouth end section 2 and thereby enable the aerosol to cool sufficiently before it reaches the downstream end of the mouth end section 2.
  • the ventilation is provided directly into the tubular element 4 of the article 1.
  • the ventilation is provided via first and second parallel rows of perforations, in the present case formed as laser perforations.
  • the ventilation can be provided at other locations, such as the hollow spacer element 11.
  • the ventilation can be provided via a single row of perforations, for instance laser perforations, into the portion of the article in which the hollow tubular element is located. This has been found to result in improved aerosol formation, which is thought to result from the airflow through the perforations being more uniform than with multiple rows of perforations, for a given ventilation level.
  • Aerosol temperature has been found to generally increase with a drop in the ventilation level.
  • the relationship between aerosol temperature and ventilation level does not appear to be linear, with variations in ventilation, for instance due to manufacturing tolerances, having less impact at lower target ventilation levels.
  • the aerosol temperature could increase by approximately 6°C at the lower ventilation limit (60% ventilation).
  • the aerosol temperature may only increase by approximately 3-5°C at the lower vent limit (45% ventilation).
  • the target ventilation level of the article can therefore be within the range 40% to 70%, for instance, 45% to 65%.
  • the mean ventilation level of at least 20 articles can be between 40% and 70%, for instance between 45% and 70% or between 51% and 59% ⁇
  • the aerosol forming material added to the aerosol generating substrate 3 comprises 14% by weight of the aerosol generating substrate 3.
  • the aerosol forming material comprises at least 5% by weight of the aerosol generating substrate, more preferably at least 10%.
  • the aerosol forming material comprises less than 25% by weight of the aerosol generating substrate, more preferably less than 20%, for instance between 10% and 20%, between 12% and 18% or between 13% and 16%.
  • the aerosol generating material 3 is provided as a cylindrical rod of aerosol generating material. Irrespective of the form of the aerosol generating material, it optionally has a length of about 10 mm to too mm. In some embodiments, the length of the aerosol generating material is optionally in the range about 25 mm to 50 mm, more preferably in the range about 30 mm to 45 mm, and still more preferably about 30 mm to 40 mm.
  • the volume of aerosol generating material 3 provided can vary from about 200 mm3 to about 4300 mm3, optionally from about 500 mm3 to 1500 mm3, more preferably from about 1000 mm3 to about 1300 mm3.
  • the provision of these volumes of aerosol generating material, for instance from about 1000 mm3 to about 1300 mm3, has been advantageously shown to achieve a superior aerosol, having a greater visibility and sensory performance compared to that achieved with volumes selected from the lower end of the range.
  • the mass of aerosol generating material 3 provided can be greater than 200 mg, for instance from about 200 mg to 400 mg, optionally from about 230 mg to 360 mg, more preferably from about 250 mg to 360 mg. It has been advantageously found that providing a higher mass of aerosol generating material results in improved sensory performance compared to aerosol generated from a lower mass of tobacco material.
  • the aerosol generating material or substrate is formed from tobacco material as described herein, which includes a tobacco component.
  • the tobacco component optionally contains paper reconstituted tobacco.
  • the tobacco component may also contain leaf tobacco, extruded tobacco, and/ or bandcast tobacco.
  • the aerosol generating material 3 can comprise reconstituted tobacco material having a density of less than about 700 milligrams per cubic centimetre (mg/cc). Such tobacco material has been found to be particularly effective at providing an aerosol generating material which can be heated quickly to release an aerosol, as compared to denser materials. For instance, the inventors tested the properties of various aerosol generating materials, such as bandcast reconstituted tobacco material and paper reconstituted tobacco material, when heated.
  • aerosol generating materials having a density of less than 700 mg/cc were found to have a zero heat flow temperature of less than I64°C, as compared to materials with a density over 700 mg/ cc, which had zero heat flow temperatures greater than I64°C.
  • the density of the aerosol generating material also has an impact on the speed at which heat conducts through the material, with lower densities, for instance those below 700 mg/ cc, conducting heat more slowly through the material, and therefore enabling a more sustained release of aerosol.
  • the aerosol generating material 3 comprises reconstituted tobacco material having a density of less than about 700 mg/cc, for instance paper reconstituted tobacco material. More preferably, the aerosol generating material 3 comprises reconstituted tobacco material having a density of less than about 600 mg/cc. Alternatively or in addition, the aerosol generating material 3 optionally comprises reconstituted tobacco material having a density of at least 350 mg/cc, which is considered to allow for a sufficient amount of heat conduction through the material.
  • the tobacco material maybe provided in the form of cut rag tobacco.
  • the cut rag tobacco can have a cut width of at least 15 cuts per inch (about 5.9 cuts per cm, equivalent to a cut width of about 1.7mm).
  • the cut rag tobacco has a cut width of at least 18 cuts per inch (about 7.1 cuts per cm, equivalent to a cut width of about 1.4mm), more preferably at least 20 cuts per inch (about 7.9 cuts per cm, equivalent to a cut width of about 1.27mm).
  • the cut rag tobacco has a cut width of 22 cuts per inch (about 8.7 cuts per cm, equivalent to a cut width of about 1.15mm).
  • the cut rag tobacco has a cut width at or below 40 cuts per inch (about 15.7 cuts per cm, equivalent to a cut width of about 0.64mm). Cut widths between 0.5 mm and 2.0 mm, for instance between 0.6 mm and 1.5 mm, or between 0.6 mm and 1.7mm have been found to result in tobacco material which is preferably in terms of surface area to volume ratio, particularly when heated, and the overall density and pressure drop of the substrate 3.
  • the cut rag tobacco can be formed from a mixture of forms of tobacco material, for instance a mixture of one or more of paper reconstituted tobacco, leaf tobacco, extruded tobacco and bandcast tobacco.
  • the tobacco material comprises paper reconstituted tobacco or a mixture of paper reconstituted tobacco and leaf tobacco.
  • the tobacco material may contain a filler component.
  • the filler component is generally a non-tobacco component, that is, a component that does not include ingredients originating from tobacco.
  • the filler component may be a non-tobacco fibre such as wood fibre or pulp or wheat fibre.
  • the filler component may also be an inorganic material such as chalk, perlite, vermiculite, diatomaceous earth, colloidal silica, magnesium oxide, magnesium sulphate, magnesium carbonate.
  • the filler component may also be a non-tobacco cast material or a non-tobacco extruded material.
  • the filler component maybe present in an amount of o to 20% by weight of the tobacco material, or in an amount of from 1 to 10% by weight of the composition. In some embodiments, the filler component is absent.
  • the tobacco material contains an aerosol forming material.
  • an "aerosol forming material” is an agent that promotes the generation of an aerosol.
  • An aerosol forming material may promote the generation of an aerosol by promoting an initial vaporisation and/ or the condensation of a gas to an inhalable solid and/or liquid aerosol.
  • an aerosol forming material may improve the delivery of flavour from the aerosol generating material.
  • any suitable aerosol forming material or agents may be included in the aerosol generating material of the invention, including those described herein.
  • Suitable aerosol forming materials include, but are not limited to: a polyol such as sorbitol, glycerol, and glycols like propylene glycol or triethylene glycol; a non-polyol such as monohydric alcohols, high boiling point hydrocarbons, acids such as lactic acid, glycerol derivatives, esters such as diacetin, triacetin, triethylene glycol diacetate, triethyl citrate or myristates including ethyl myristate and isopropyl myristate and aliphatic carboxylic acid esters such as methyl stearate, dimethyl dodecanedioate and dimethyl tetradecanedioate.
  • a polyol such as sorbitol, glycerol, and glycols like propylene glycol or triethylene glycol
  • a non-polyol such as monohydric alcohols, high boiling point hydrocarbons, acids such as lactic acid,
  • the aerosol forming material may be glycerol, propylene glycol, or a mixture of glycerol and propylene glycol.
  • Glycerol may be present in an amount of from to to 20 % by weight of the tobacco material, for example 13 to 16 % by weight of the composition, or about 14% or 15% by weight of the composition.
  • Propylene glycol if present, may be present in an amount of from 0.1 to 0.3% by weight of the composition.
  • the aerosol forming material may be included in any component, for example any tobacco component, of the tobacco material, and/ or in the filler component, if present. Alternatively or additionally the aerosol forming material may be added to the tobacco material separately. In either case, the total amount of the aerosol forming material in the tobacco material can be as defined herein.
  • the tobacco material can contain between 10% and 90% by weight tobacco leaf, wherein the aerosol forming material is provided in an amount of up to about 10% by weight of the leaf tobacco. To achieve an overall level of aerosol forming material between 10% and 20% by weight of the tobacco material, it has been advantageously found that this can be added in higher weight percentages to the another component of the tobacco material, such as reconstituted tobacco material.
  • the tobacco material described herein contains nicotine.
  • the nicotine content is from 0.5 to 1.75% by weight of the tobacco material, and maybe, for example, from 0.8 to 1.5% by weight of the tobacco material. Additionally or alternatively, the tobacco material contains between 10% and 90% by weight tobacco leaf having a nicotine content of greater than 1.5% by weight of the tobacco leaf.
  • a tobacco leaf with nicotine content higher than 1.5% in combination with a lower nicotine base material such as paper reconstituted tobacco
  • a tobacco material with an appropriate nicotine level but better sensory performance than the use of paper reconstituted tobacco alone can, for instance, have a nicotine content of between 1.5% and 5% by weight of the tobacco leaf.
  • the tobacco material described herein can contain an aerosol modifying agent, such as any of the flavours described herein.
  • the tobacco material contains menthol, forming a mentholated article.
  • the tobacco material can comprise from 3mg to 20mg of menthol, optionally between 5mg and i8mg and more preferably between 8mg and i6mg of menthol.
  • the tobacco material comprises i6mg of menthol.
  • the tobacco material can contain between 2% and 8% by weight of menthol, optionally between 3% and 7% by weight of menthol and more preferably between 4% and 5.5% by weight of menthol.
  • the tobacco material includes 4.7% by weight of menthol.
  • Such high levels of menthol loading can be achieved using a high percentage of reconstituted tobacco material, for instance greater than 50% of the tobacco material by weight.
  • a high volume of aerosol generating material for instance tobacco material
  • aerosol generating material can increase the level of menthol loading that can be achieved, for instance where greater than about 500 mm3 or suitably more than about 1000 mm3 of aerosol generating material, such as tobacco material, are used.
  • any water that may be present in the tobacco material, or in any component thereof, is entirely disregarded for the purposes of the determination of the weight %.
  • the water content of the tobacco material described herein may vary and may be, for example, from 5 to 15% by weight.
  • the water content of the tobacco material described herein may vary according to, for example, the temperature, pressure and humidity conditions at which the compositions are maintained. The water content can be determined by Karl-Fisher analysis, as known to those skilled in the art.
  • any component other than water is included in the weight of the tobacco material.
  • the aerosol forming material is not included in the weight of the tobacco component or filler component, but is included in the weight of the "aerosol forming material" in the weight % as defined herein. All other ingredients present in the tobacco component are included in the weight of the tobacco component, even if of non-tobacco origin (for example non tobacco fibres in the case of paper reconstituted tobacco).
  • the tobacco material comprises the tobacco component as defined herein and the aerosol forming material as defined herein. In an embodiment, the tobacco material consists essentially of the tobacco component as defined herein and the aerosol forming material as defined herein. In an embodiment, the tobacco material consists of the tobacco component as defined herein and the aerosol forming material as defined herein. Paper reconstituted tobacco is present in the tobacco component of the tobacco material described herein in an amount of from 10% to 100% by weight of the tobacco component. In embodiments, the paper reconstituted tobacco is present in an amount of from 10% to 80% by weight, or 20% to 70% by weight, of the tobacco component. In a further embodiment, the tobacco component consists essentially of, or consists of, paper reconstituted tobacco.
  • leaf tobacco is present in the tobacco component of the tobacco material in an amount of from at least 10% by weight of the tobacco component.
  • leaf tobacco can be present in an amount of at least 10% by weight of the tobacco component, while the remainder of the tobacco component comprises paper reconstituted tobacco, bandcast reconstituted tobacco, or a combination of bandcast reconstituted tobacco and another form of tobacco such as tobacco granules.
  • Paper reconstituted tobacco refers to tobacco material formed by a process in which tobacco feedstock is extracted with a solvent to afford an extract of solubles and a residue comprising fibrous material, and then the extract (usually after concentration, and optionally after further processing) is recombined with fibrous material from the residue (usually after refining of the fibrous material, and optionally with the addition of a portion of non-tobacco fibres) by deposition of the extract onto the fibrous material.
  • the process of recombination resembles the process for making paper.
  • the paper reconstituted tobacco may be any type of paper reconstituted tobacco that is known in the art.
  • the paper reconstituted tobacco is made from a feedstock comprising one or more of tobacco strips, tobacco stems, and whole leaf tobacco.
  • the paper reconstituted tobacco is made from a feedstock consisting of tobacco strips and/or whole leaf tobacco, and tobacco stems.
  • scraps, fines and winnowings can alternatively or additionally be employed in the feedstock.
  • the paper reconstituted tobacco for use in the tobacco material described herein may be prepared by methods which are known to those skilled in the art for preparing paper reconstituted tobacco.
  • a non-combustible aerosol provision device is used to heat the aerosol generating material 3 of the article 1 described herein.
  • the non-combustible aerosol provision device optionally comprises a coil, since this has been found to enable improved heat transfer to the article 1 as compared to other arrangements.
  • the coil is configured to, in use, cause heating of at least one electrically-conductive heating element, so that heat energy is conductible from the at least one electrically-conductive heating element to the aerosol generating material to thereby cause heating of the aerosol generating material.
  • the coil is configured to generate, in use, a varying magnetic field for penetrating at least one heating element, to thereby cause induction heating and/ or magnetic hysteresis heating of the at least one heating element.
  • the or each heating element may be termed a “susceptor” as defined herein.
  • a coil that is configured to generate, in use, a varying magnetic field for penetrating at least one electrically-conductive heating element, to thereby cause induction heating of the at least one electrically-conductive heating element may be termed an “induction coil” or “inductor coil”.
  • the device may include the heating element(s), for example electrically-conductive heating element(s), and the heating element(s) may be suitably located or locatable relative to the coil to enable such heating of the heating element(s).
  • the heating element(s) may be in a fixed position relative to the coil.
  • the at least one heating element for example at least one electrically-conductive heating element, may be included in the article 1 for insertion into a heating zone of the device, wherein the article 1 also comprises the aerosol generating material 3 and is removable from the heating zone after use.
  • both the device and such an article 1 may comprise at least one respective heating element, for example at least one electrically- conductive heating element, and the coil may be to cause heating of the heating element(s) of each of the device and the article when the article is in the heating zone.
  • the coil is helical. In some examples, the coil encircles at least a part of a heating zone of the device that is configured to receive aerosol generating material. In some examples, the coil is a helical coil that encircles at least a part of the heating zone.
  • the device comprises an electrically-conductive heating element that at least partially surrounds the heating zone, and the coil is a helical coil that encircles at least a part of the electrically-conductive heating element.
  • the electrically-conductive heating element is tubular.
  • the coil is an inductor coil.
  • the use of a coil enables the non-combustible aerosol provision device to reach operational temperature more quickly than a non-coil aerosol provision device.
  • the non-combustible aerosol provision device including a coil as described above can reach an operational temperature such that a first puff can be provided in less than 30 seconds from initiation of a device heating program, more optionally in less than 25 seconds.
  • the device can reach an operational temperature in about 20 seconds from the initiation of a device heating program.
  • This hot aerosol is understood to release flavour compounds from tobacco in the rod behind the burning coal.
  • a device including a coil as described herein is thought to also be capable of heating aerosol generating material, such as tobacco material described herein, to release flavour compounds, resulting in an aerosol which has been reported to more closely resemble an FMC aerosol.
  • Particular improvements in aerosol can be achieved through the use of a device including a coil to heat an article comprising a rod of aerosol generating material having a circumference greater than 19mm, for instance a circumference between about 19 mm and about 23 mm.
  • an aerosol provision system including a coil as described herein, for instance an induction coil which heats at least some of the aerosol generating material to at least 200°C, more preferably at least 220°C, can enable the generation of an aerosol from an aerosol generating material that has particular characteristics which are thought to more closely resemble those of an FMC product.
  • an aerosol generating material including nicotine
  • an induction heater heated to at least 250°C, for a two-second period
  • an airflow of at least i.50L/m during the period one or more of the following characteristics has been observed: at least 10 pg of nicotine is aerosolised from the aerosol generating material; the weight ratio in the generated aerosol, of aerosol forming material to nicotine is at least about 2.5:1, suitably at least 8.5:1; at least 100 pg of the aerosol forming material can be aerosolised from the aerosol generating material; the mean particle or droplet size in the generated aerosol is less than about

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  • Cigarettes, Filters, And Manufacturing Of Filters (AREA)
  • Containers And Packaging Bodies Having A Special Means To Remove Contents (AREA)
EP22740462.1A 2021-06-22 2022-06-20 An article for use with a non-combustible aerosol provision device Pending EP4358753A1 (en)

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PCT/GB2022/051568 WO2022269239A1 (en) 2021-06-22 2022-06-20 An article for use with a non-combustible aerosol provision device

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EP22740462.1A Pending EP4358753A1 (en) 2021-06-22 2022-06-20 An article for use with a non-combustible aerosol provision device

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CN118102897A (zh) 2024-05-28
JP2024523508A (ja) 2024-06-28

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