WO2024074620A1 - Article de génération d'aérosol comprenant une pluralité de revêtements et ensemble de génération d'aérosol associé - Google Patents

Article de génération d'aérosol comprenant une pluralité de revêtements et ensemble de génération d'aérosol associé Download PDF

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Publication number
WO2024074620A1
WO2024074620A1 PCT/EP2023/077583 EP2023077583W WO2024074620A1 WO 2024074620 A1 WO2024074620 A1 WO 2024074620A1 EP 2023077583 W EP2023077583 W EP 2023077583W WO 2024074620 A1 WO2024074620 A1 WO 2024074620A1
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WO
WIPO (PCT)
Prior art keywords
aerosol generating
temperature
message
generating article
article
Prior art date
Application number
PCT/EP2023/077583
Other languages
English (en)
Inventor
Jaakko MCEVOY
Tilen CEGLAR
Original Assignee
Jt International Sa
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 Jt International Sa filed Critical Jt International Sa
Publication of WO2024074620A1 publication Critical patent/WO2024074620A1/fr

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Classifications

    • 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
    • A24F40/42—Cartridges or containers for 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
    • A24F40/60—Devices with integrated user interfaces
    • 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
    • A24D1/025—Cigars; Cigarettes with special covers the covers having material applied to defined areas, e.g. bands for reducing the ignition propensity
    • 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
    • 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
    • A24F7/00—Mouthpieces for pipes; Mouthpieces for cigar or cigarette holders

Definitions

  • Aerosol generating article comprising a plurality of coatings and associated aerosol generating assembly
  • the present invention concerns an aerosol generating article.
  • the aerosol generating article according to the invention is configured to operate with an aerosol generating device, also known as a heat-not-burn device or HNB device.
  • an aerosol generating device also known as a heat-not-burn device or HNB device.
  • Such type of aerosol generating devices is adapted to heat, rather than burn, an aerosol generating substrate comprised in the article.
  • the invention also concerns an aerosol generating assembly comprising such an article and such a device.
  • reduced-risk or modified-risk devices also known as vaporisers or aerosol generating devices
  • vaporisers or aerosol generating devices have grown rapidly in the past few years as an aid to assist habitual smokers wishing to quit smoking traditional tobacco products such as cigarettes, cigars, cigarillos, and rolling tobacco.
  • Various devices and systems are available that heat or warm vaporizable substances as opposed to burning tobacco in conventional tobacco products.
  • a commonly available reduced-risk or modified-risk device is the heated substrate aerosol generation device or heat-not-burn device, also known as HNB device.
  • Devices of this type generate aerosol or vapour by heating an aerosol generating substrate that typically comprises moist leaf tobacco or other suitable vaporizable material to a temperature typically in the range 150°C to 350°C. Heating an aerosol generating substrate, but not combusting or burning it, releases aerosol that comprises the components sought by the user but not the toxic and carcinogenic by-products of combustion and burning.
  • the aerosol produced by heating the tobacco or other vaporizable material does not typically comprise the burnt or bitter taste resulting from combustion and burning that can be unpleasant for the user and so the substrate does not therefore require the sugars and other additives that are typically added to such materials to make the smoke and/or vapour more palatable for the user.
  • Some aerosol generating devices and/or articles provide additional information for the user relative for the example to the operation of the device, the health of the device and other features useful for the user while using the device together with the article.
  • such type of devices and/or articles can for example comprise one or several sensors or other type of electronic means for monitoring the operation of the device and providing relative information or other type of useful information for the user. It is clear that these electronic means make the structure of the device/article more complex, its housing more cumbersome and increases its cost.
  • One of the aims of the present invention is to provide an aerosol generating article able to provide useful information to the user, without using special electronic means.
  • the invention concerns an aerosol generating article configured to operate with an aerosol generating device and comprising a wrapper ; the wrapper comprising a plurality of coatings comprising thermochromic components able to change their appearance at different triggering temperatures; each coating presenting a message appearing/disappearing above the corresponding triggering temperature.
  • thermochromic components it is possible to configure the thermochromic components to make appear/disappear different messages to the user before, during and/or after a vaping session. These messages can present useful information for the user and their appearing/disappearing can be triggered by different temperatures under which the article is placed during the vaping session.
  • At least one message is relative to the operation of the aerosol generating device.
  • At least one message shows that the aerosol generating device is defective.
  • said message showing that the aerosol generating device is defective appears when the temperature of the wrapper exceeds the corresponding triggering temperature, said triggering temperature being greater than the or each other triggering temperature.
  • the triggering temperature of the corresponding component can be higher than a temperature of normal operation of the heater according to its heating profile, i.e. setpoint temperature of the heater according to the heating profile.
  • the setpoint temperature can be chosen as the maximal temperature according to the heating profile.
  • the device can be configured to a setpoint temperature around 260°C corresponding to the maximal temperature according to its heating profile, whereas the triggering temperature of the corresponding component can for example be comprised between 280°C and 320°C, and for example advantageously equal to 300°C.
  • the heating profile has his maximal temperature at the beginning of the vaping session to ensure good sensory on first puff.
  • a setpoint temperature can for example be chosen as the minimal, an average or an optimal temperature of the heating profile.
  • At least one message shows that the aerosol generating device is defective when it appears without at least one other message.
  • said message showing that the aerosol generating device is defective when it appears without at least one other message appears when the temperature of the wrapper exceeds the corresponding triggering temperature, said triggering temperature being less than the or each other triggering temperature.
  • At least one message shows that the aerosol generating device operates normally.
  • the wrapper can be provided with a first component having a first triggering temperature which is below a setpoint temperature of the heater according to its heating profile and a second component having a second triggering temperature which is close to this setpoint temperature.
  • first triggering temperature can for example be comprised between 160°C and 200°C, and advantageously equal to 180°C.
  • the second triggering temperature can be slightly below the setpoint temperature and for example be equal to 240°C.
  • the setpoint temperature can for example be chosen as the maximal, minimal, an average or an optimal temperature of the heating profile.
  • the wrapper comprises at least three coatings comprising different thermochromic components able to change their appearance at different triggering temperatures; at least two triggering temperatures being less than a setpoint temperature of a heater of the aerosol generating device according to its heating profile, and at least one triggering temperature being greater than said setpoint temperature.
  • At least one message corresponds to:
  • thermochromic component is able to reversibly change its appearance.
  • the reversibly changeable components are specially advantageous when for example a same message should appear after several temperature changes.
  • a message can be initially presented on the wrapper, then it disappears when the article is heated and then, it appears again when the wrapper is cooled.
  • a reversibly changeable component can for example be used to show the optimal moment of the next puff after at least one initial puff.
  • the triggering temperature of at least one thermochromic component is at most 10%, advantageously 5%, lower than a setpoint temperature of a heater of the aerosol generating device according to its heating profile.
  • the corresponding triggering temperature remains slightly below the setpoint temperature of the heater according to its heating profile. Thanks to these features, it is possible to detect that the aerosol generating device has correctly been heated even if the temperature of the heater has not achieved the setpoint temperature further to calibration imprecisions, external factors (like cold weather for example), etc.
  • At least one coating presents a message invisible above a temperature value and another coating presents a message visible above the same temperature value.
  • a first component can form a first message visible only before the vaping session, i.e. before the wrapper has achieved a first triggering temperature.
  • This message can for example correspond to the manufacturer’s logo.
  • a second component can form a second message visible only after the vaping session, i.e. after the wrapper has achieved a second triggering temperature.
  • This message can for example correspond to the recycling method associated to the article.
  • the user can see the first message before the vaping session and the second message after the vaping session.
  • other examples are still possible.
  • the present invention also relates to an aerosol generating assembly, comprising:
  • an aerosol generating device configured to operate with the aerosol generating article.
  • the aerosol generating device comprises a mouthpiece configured to receive at least partially the aerosol generating article, the mouthpiece defining a window designed to face at least one message on the wrapper of the aerosol generating article.
  • At least one message on the wrapper of the aerosol generating article is intended to be aligned with the window when the aerosol generating article is correctly inserted in the mouthpiece. Thanks to these features, the user can control a correct insertion of the article in the device.
  • FIG. 1 is a perspective view of an aerosol generating assembly comprising an aerosol generating device and an aerosol generating article;
  • FIG. 2 is a perspective view of the aerosol generating article of Figure 1 , the aerosol generating article comprising a wrapper;
  • FIG. 3 is a schematic view illustrating different thermochromic components on a face of the aerosol generating article of Figure 2, the aerosol generating article being according to a first embodiment of the invention;
  • FIG. 4 is a schematic view illustrating different thermochromic components on a face of the aerosol generating article of Figure 2, the aerosol generating article being according to a second embodiment of the invention.
  • FIG. 5 is a schematic view illustrating different thermochromic components on a face of the aerosol generating article of Figure 2, the aerosol generating article being according to a third embodiment of the invention.
  • the term “aerosol generating device” or “device” may include a vaping device to deliver an aerosol to a user, including an aerosol for vaping, by means of a heater element explained in further detail below.
  • the device may be portable. “Portable” may refer to the device being for use when held by a user.
  • the device may be adapted to generate a variable amount of aerosol, e.g. by activating the heater element for a variable amount of time (as opposed to a metered dose of aerosol), which can be controlled by a trigger.
  • the trigger may be user activated, such as a vaping button and/or inhalation sensor.
  • the inhalation sensor may be sensitive to the strength of inhalation as well as the duration of inhalation to enable a variable amount of vapour to be provided (so as to mimic the effect of smoking a conventional combustible smoking article such as a cigarette, cigar or pipe, etc.).
  • the device may include a temperature regulation control to drive the temperature of the heater and/or the heated aerosol generating substance (aerosol pre-cursor) to a specified target temperature and thereafter to maintain the temperature at the target temperature that enables efficient generation of aerosol.
  • aerosol may include a suspension of vaporizable material as one or more of: solid particles; liquid droplets; gas. Said suspension may be in a gas including air. Aerosol herein may generally refer to/include a vapour. Aerosol may include one or more components of the vaporizable material.
  • vaporizable material may refer to a smokable material which may for example comprise nicotine or tobacco and an aerosol former.
  • tobacco may take the form of various materials such as shredded tobacco, granulated tobacco, tobacco leaf and/or reconstituted tobacco.
  • Suitable aerosol formers include: a polyol such as sorbitol, glycerol, and glycols like propylene glycol or triethylene glycol; a non-polyol such as monohydric alcohols, acids such as lactic acid, glycerol derivatives, esters such as triacetin, triethylene glycol diacetate, triethyl citrate, glycerin or vegetable glycerin.
  • the aerosol generating agent may be glycerol, propylene glycol, or a mixture of glycerol and propylene glycol.
  • the substrate may also comprise at least one of a gelling agent, a binding agent, a stabilizing agent, and a humectant.
  • the term “wider” applied in relation with two surfaces is used to compare dimensions of these surfaces in a transversal direction, i.e. direction perpendicular to the extension direction of these surfaces.
  • a transversal direction i.e. direction perpendicular to the extension direction of these surfaces.
  • said dimension is measured according to a plane passing through at least two points limiting the surface according to the transversal direction.
  • FIG. 1 shows an aerosol generating assembly 10 comprising an aerosol generating device 1 1 and an aerosol generating article 12.
  • the aerosol generating device 11 is designed to operate with the aerosol generating article 12 which is shown in more detail in Figure 2.
  • the aerosol generating device 11 comprises a device body 15 extending along a device axis Y.
  • the device body 15 comprises a mouthpiece 16 and a housing 17 arranged successively along the device axis Y.
  • the mouthpiece 16 and the housing 17 form two different pieces.
  • the mouthpiece 16 is designed to be fixed on or be received in an insertion opening formed at one of the ends of the housing 17.
  • the consumable article 12 can be inserted inside the device 1 1 when the mouthpiece 16 is removed from the housing 17.
  • the mouthpiece 16 and the housing 17 form one unique piece.
  • the consumable article 12 can be inserted inside the device 11 through for example a flow outlet.
  • the mouthpiece 16 defines a through hole adapted to receive at least partially the aerosol generating article 12.
  • the through hole can be adapted to receive at least a filter/cooler portion of the aerosol generating article 12, explained in further detail below.
  • no mouthpiece 16 is provided with the aerosol generating device 11.
  • the filter/cooler portion of the consumable article 12 can form a mouth end designed to be in contact with the user’s lips and/or mouth while a vaping session.
  • the housing 17 delimits an internal space of the device 11 receiving various elements designed to carry out different functionalities of the device 11 .
  • This internal space may for example receive a battery for powering the device 11 , a control module for controlling the operation of the device 11 , etc.
  • the housing 17 further delimits a receiving cavity (not-shown) configured to receive the aerosol generating article 12.
  • the receiving cavity presents an opening through which the aerosol generating article 12 may be inserted.
  • the receiving cavity is further designed to heat the aerosol generating article 12 using an appropriate heater.
  • the receiving cavity may be for example arranged in the extension of the through hole of the mouthpiece 16, according to the device axis Y.
  • the receiving cavity is delimited by walls presenting a sensibly parallelepipeds shape, complementary to the shape of the aerosol generating article 12.
  • the heater may for example be a resistive heater designed to heat the aerosol generating article 12 while being at least partially in contact with a surface of this article 12 or facing this surface. According to an example, at least a part the heater can penetrates the aerosol generating article 12 to heat it inside. According to another embodiment, the heater can be a magnetic heater designed to create a magnetic field around at least a part of the aerosol generating article 12. In this case, the aerosol generating article 12 can comprise a susceptor in its internal part which is able to heat vaporizable material further to magnetic interaction with the heater of the device 11 .
  • the heater is configured to heat the vaporizable material according to a heating profile.
  • This heating profile comprises a setpoint temperature which corresponds to an optimal temperature for heating the vaporizable material during normal utilization of the device 11 .
  • a setpoint temperature can be comprised between 240°C and 280°C, and for example substantially equal to 260°C.
  • a setpoint temperature corresponds to the minimal, maximal or an average temperature of the heating profile.
  • the aerosol generating article 12 is for example a flat-shaped cuboid extending along an article axis X between an inlet end 18 and an outlet end 19, and having external dimensions LxWxH.
  • the aerosol generating article 12 is adapted to conduct an airflow from the inlet end 18 to the outlet end 19.
  • the length L of the article 12 according to the article axis X equals substantially to 25-35 mm, for example 33 mm while its width W is comprised between 8 and 15 mm, for example substantially equal to 12 mm and height H is comprised between 0.8 and 2 mm, for example is substantially equal to 1 ,2 mm.
  • the values L, W and H can be selected within a range of +/- 40%, for example.
  • the aerosol generating article 12 forms two opposite wide walls 22A, 22B and two opposite narrow walls 23A, 23B.
  • Each wide wall 22A, 22B is perpendicular to each narrow wall 23A, 23B.
  • Each wide wall 22A, 22B is for example at least 2 times, advantageously at least 5 times and preferably at least 10 times wider than each narrow wall 23A, 23B.
  • the aerosol generating article 12 can have any other suitable shape, for example a cylindrical shape having a round or an oval cross-section.
  • the aerosol generating article 12 comprises a tobacco portion 28 adjacent to the inlet end 18 and a filter/cooling portion 29 adjacent to the outlet end 19 and arranged successively with the tobacco portion 28 along the article axis X.
  • the tobacco portion 28 comprises a vaporizable material as explained above and is designed to be heated directly or indirectly by the heater of the device 11 .
  • the filter/cooler portion 29 comprises a filter and/or cooler designed to filter and/or cool the aerosol formed by the vaporizable material before it is inhaled by the user.
  • the filter/cooling portion 29 is designed to be received at least partially in the through hole formed by the mouthpiece 16.
  • the filter/cooler portion 29 forms itself a mouthpiece. In this last case, no additional mouthpiece is necessary on the device 11 .
  • the consumable article 12 is wrapped by a common wrapper 21 .
  • the wrapper 21 is formed from a unique sheet wrapping substantially the whole length of the consumable article 12 around the article axis X.
  • the wrapper 21 extends only along a part of the length of the consumable article 12.
  • the wrapper 21 can extend only along the tobacco portion 28 of the consumable article 12.
  • the wrapper 21 is formed from two different sheets wrapping separately for example the tobacco substrate and the support structure of the consumable article 12.
  • the wrapper 21 can be made of aluminium and/or paper.
  • thermochromic components able to change their appearance at different triggering temperatures, as it will be explained in further detail in relation with different embodiments of the invention.
  • each thermochromic component can change its appearance with the corresponding trigger temperature by changing for example its colour or by becoming transparent after being coloured or by becoming coloured after being transparent.
  • thermochromic component as well as its triggering temperature depend for example on its chemical composition.
  • at least some thermochromic components can comprise thermochromic dyes, such as Leuco dyes in particular, or thermochromic pigments provided in inks, varnishes or paints.
  • thermochromic components can have reversible properties that means that such a thermochromic component is able to return to its initial appearance after having changed it at the corresponding triggering temperature. At least some of the thermochromic components can change at least twice their initial appearance with at least two different triggering temperatures.
  • the wrapper 21 can further be coated with a non-thermochromic component which can for example be a coloured coating which does not change its appearance with the temperature.
  • a non-thermochromic component which can for example be a coloured coating which does not change its appearance with the temperature.
  • Such a coating can form an initial layer of the wrapper 21 designed to receive different thermochromic components.
  • This coating may be formed from any dye used for such types of wrappers 21 for example.
  • each coating presents a message appearing/disappearing above the corresponding triggering temperature.
  • Different examples of these messages will be explained in reference to the embodiments below. It should however be understood that these embodiments do not limit the scope of invention and can be combined in any suitable manner.
  • the wrapper 21 comprises, according to a first embodiment, a first coating 51 and a second coating 52 which comprise different thermochromic components.
  • these coatings 51 , 52 can be positioned on a same wall of the aerosol generating article 12, for the example on the wide wall 22A. Additionally, in some examples, the same coatings can also be positioned on the opposite wide wall 22B.
  • each of the coatings 51 , 52 is positioned on the part of the wrapper 21 which is heated directly or indirectly by the heater. In other words, each of the coatings 51 , 52 is positioned on the part of the wrapper 21 facing the tobacco portion 28. Additionally, according to at least some embodiments, the coatings 51 , 52 can be at least partially superposed. According to other embodiments, the coatings 51 , 52 are separated.
  • the first and the second coatings 51 , 52 define respectively a first and a second triggering temperatures T1 , T2, triggering changing of their appearance. This changing can be irreversible.
  • the first coating 51 can be visible below the first triggering temperature T1 and disappear above this temperature T1.
  • the second coating 52 can be invisible below the second triggering temperature T2 and appear above this temperature T2. Both temperatures can be slightly lower than the setpoint temperature of the heater.
  • Figure 3 shows in its part A the wide wall 22A for example before the aerosol generating article 12 has been heated by the heater. Thus, only the coating 51 is visible in this case. This coating 51 presents for example a message corresponding to the manufacturer’s logo.
  • Figure 3 shows the wide wall 22A for example after the aerosol generating article 12 has been used. This means that in this case, both triggering temperatures T1 , T2 have been achieved and both coatings 51 , 52 have changed their appearance. The first coating 51 has completely disappeared, whereas the second coating 52 has appeared. In this example, the second coating 52 can indicate the recycling method of the aerosol generating article 12.
  • the wrapper 21 comprises, according to a second embodiment, a first coating 61 , a second coating 62 and a third coating 63 which comprise different thermochromic components.
  • these coatings 61 to 63 can be positioned on a same wall of the aerosol generating article 12, for the example on the wide wall 22A.
  • each of the coatings 61 to 63 can be positioned on the part of the wrapper 21 which is heated directly or indirectly by the heater.
  • each of the coatings 61 to 63 can be positioned on the part of the wrapper 21 facing the tobacco portion 28.
  • the coatings 61 to 63 can be at least partially superposed or completely separated as it is the case of Figure 4.
  • the coatings 61 to 63 are used to monitor the operation of the aerosol generating device 1 1 .
  • the first, the second and the third coatings 61 , 62, 63 define respectively a first, a second and a third triggering temperatures T1 , T2, T3 triggering changing of their appearance.
  • This changing are for example irreversible.
  • the first triggering temperature T 1 can for example be comprised between 160°C and 200°C, and advantageously equal to 180°C.
  • the second triggering temperature T2 can be slightly lower than the setpoint temperature of the heater and for example be equal to 240°C.
  • the third triggering temperature T3 is higher than the setpoint temperature and can for example be comprised between 280°C and 320°C.
  • the third triggering temperature T3 can be advantageously equal to 300°C.
  • each of the coatings 61 to 63 can be invisible below the corresponding triggering temperature T1 to T3, and visible above this temperature T 1 to T3.
  • the first and second coatings 61 , 62 appear when the heater operates normally, i.e. according to its setpoint temperature. This case is shown in part B of Figure 4, showing messages “low temp” and “good temp” corresponding to these coatings 61 , 62. If the heater does not heat sufficiently the aerosol generating article 12 to achieve the setpoint temperature, only the first coating 61 appears as it is shown in part C of Figure 4.
  • the wrapper 21 comprises, according to a third embodiment, a plurality of coatings comprising different thermochromic components.
  • a coating 71 will be explained in further detail in relation with this embodiment.
  • the other coatings can be similar to the coatings explained above.
  • the coating 71 is positioned on the wrapper 21 so as to face a window 75 formed in the mouthpiece 16 of the aerosol generating device 11 , as it is shown in Figure 1.
  • the coating 71 can for example be positioned on the part of the wrapper 21 facing the filter/cooler portion 29 of the aerosol generating article 12.
  • the coating 71 is designed to be visible by the user when the aerosol generating article 12 is received in the device 1 1. According to different examples, the coating can present a message indicating a correct insertion of the article 12 in the device 1 1 and disappearing after or during a vaping session. According to another example, the coating 71 can indicate to the user when the article 12 is sufficiently pre-heated and is ready to generate aerosol. According to still another example, the coating 71 can comprise from one or several thermochromic components able to reversibly change their appearance. Thus, the coating 71 may indicate the optimal temperature of the article 12 for each following puff. Of course, according to some other examples, instead of a unique coating 71 , several coatings formed of different thermochromic components may be positioned on the wrapper 21 to face the window 75.

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  • Engineering & Computer Science (AREA)
  • Human Computer Interaction (AREA)
  • Containers And Packaging Bodies Having A Special Means To Remove Contents (AREA)

Abstract

La présente invention concerne un article de génération d'aérosol conçu pour fonctionner avec un dispositif de génération d'aérosol et comprenant une enveloppe (21) ; l'enveloppe (21) comprenant une pluralité de revêtements (51, 52) comprenant des composants thermochromiques aptes à changer d'aspect à différentes températures de déclenchement ; chaque revêtement (51, 52) présentant un message apparaissant/disparaissant au-dessus de la température de déclenchement correspondante.
PCT/EP2023/077583 2022-10-05 2023-10-05 Article de génération d'aérosol comprenant une pluralité de revêtements et ensemble de génération d'aérosol associé WO2024074620A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
EP22199780 2022-10-05
EP22199780.2 2022-10-05

Publications (1)

Publication Number Publication Date
WO2024074620A1 true WO2024074620A1 (fr) 2024-04-11

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PCT/EP2023/077583 WO2024074620A1 (fr) 2022-10-05 2023-10-05 Article de génération d'aérosol comprenant une pluralité de revêtements et ensemble de génération d'aérosol associé

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Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20170311647A1 (en) * 2016-04-29 2017-11-02 Rui Nuno BATISTA Aerosol-generating device with visual feedback device
US20200268039A1 (en) * 2015-12-31 2020-08-27 Philip Morris Products S.A. Aerosol-generating article comprising a thermal indicator
US20210007403A1 (en) * 2018-04-09 2021-01-14 Philip Morris Products S.A. Aerosol-generating article having a thermal indicator
US20210307380A1 (en) * 2018-11-23 2021-10-07 Kt&G Corporation Aerosol-generating article and aerosol-generating systems

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20200268039A1 (en) * 2015-12-31 2020-08-27 Philip Morris Products S.A. Aerosol-generating article comprising a thermal indicator
US20170311647A1 (en) * 2016-04-29 2017-11-02 Rui Nuno BATISTA Aerosol-generating device with visual feedback device
US20210007403A1 (en) * 2018-04-09 2021-01-14 Philip Morris Products S.A. Aerosol-generating article having a thermal indicator
US20210307380A1 (en) * 2018-11-23 2021-10-07 Kt&G Corporation Aerosol-generating article and aerosol-generating systems

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