WO2023237658A1 - Dispositif de vapotage présentant un élément de retenue d'article consommable à chauffage sans combustion générant un aérosol - Google Patents

Dispositif de vapotage présentant un élément de retenue d'article consommable à chauffage sans combustion générant un aérosol Download PDF

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Publication number
WO2023237658A1
WO2023237658A1 PCT/EP2023/065347 EP2023065347W WO2023237658A1 WO 2023237658 A1 WO2023237658 A1 WO 2023237658A1 EP 2023065347 W EP2023065347 W EP 2023065347W WO 2023237658 A1 WO2023237658 A1 WO 2023237658A1
Authority
WO
WIPO (PCT)
Prior art keywords
retaining element
recess
aerosol generating
generating heat
consumable article
Prior art date
Application number
PCT/EP2023/065347
Other languages
English (en)
Inventor
Pier Paolo MONTICONE
Layth Sliman BOUCHUIGUIR
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 WO2023237658A1 publication Critical patent/WO2023237658A1/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

Definitions

  • the invention relates to the technical field of e-vaping devices with a retaining element of an aerosol generating heat-not-burn consumable article which can be a flavor generating heat stick or a heated tobacco stick.
  • the technical field of aerosol generating heat stick or heat-not-burn aerosol generating article (sometimes referred as “heat tobacco stick” or HTS) for heat-not-bum devices comprising an aerosol generating substance formed as a rod.
  • This aerosol generating substance may be a homogenized tobacco material or a reconstructed tobacco substrate or a non-tobacco aerosolisable material such as for instance foam.
  • Reduced-risk devices have become popular alternatives to traditional tobacco products such as cigarettes. By contrast to these traditional products, which rely on combustion of tobacco, reduced-risk devices typically produce a vapor or aerosol for inhalation by a user.
  • Heated substrate aerosol generating devices also known as heat-not-burn devices, are one class of reduced-risk device.
  • a heated substrate aerosol generating device a substrate containing tobacco or other suitable material is heated to a temperature that is sufficiently high to generate an aerosol from the material but not so high as to cause combustion of the material.
  • This aerosol contains the components of the material sought by the user but not the undesired by-products of combustion that are generated when the material combusts.
  • a typical heated substrate aerosol generating device contains a heating chamber or oven that defines a cavity adapted to receive a stick of the substrate to be heated.
  • the substrate is heated inside the cavity in order to generate the desired aerosol, and can be removed and replaced once the substrate is spent.
  • Heated substrate aerosol generating devices are typically formed with a very compact construction so as to provide a hand-held device that is convenient to store and carry.
  • heat stick comprises a tobacco segment (or other aerosol generating segment), a cooling segment, and a filter segment.
  • the object of the present invention is to alleviate at least partly the above mentioned drawbacks.
  • the aerosol generating heat-not-burn consumable article should be held in place during vaping, while improving the sealing of the oven of the e-vaping device without affecting the easiness of insertion into and/or removal out of the oven of the e-vaping device.
  • the invention aims at presenting a better global compromise between reduced friction, improved robustness, simplified implementation, and easy cleaning maintenance, than in known prior arts. Therefore, the invention aims at using an elastic retaining element which: presents a circular longitudinal cross section, is partially inserted within an annular groove in internal wall of the recess,.
  • an e-vaping system comprising: an aerosol generating heat-not-burn consumable article, an e-vaving device comprising: an aerosol generating heat-not-burn consumable article oven comprising, a cylindric recess, elongate along a longitudinal direction, for receiving an aerosol generating heat-not-bum consumable article to be heated, an toroid-like retaining element with a circular longitudinal cross section and with a circular longitudinal axis, radially protruding inward from internal wall of the recess and partially inserted within an annular groove in internal wall of the recess, having a first static friction between the retaining element and the aerosol generating heat-not-burn consumable article which is higher than a second static friction between the retaining element and the annular groove in the internal wall of the recess.
  • an e-vaping device comprising: an aerosol generating heat-not-burn consumable article oven comprising, a cylindric recess, elongate along a longitudinal direction (with its axis along a longitudinal direction), for receiving an aerosol generating heat-not-burn consumable article to be heated, a toroid-like or toroid retaining element with a circular longitudinal cross section and with a circular longitudinal axis, radially protruding inward from internal wall of the recess and partially inserted within an annular groove in internal wall of the recess, so as to retain the aerosol generating heat-not-burn consumable article once inserted within the recess and so as to roll or spin around its circular longitudinal axis during insertion or removal of the aerosol generating heat-not-burn consumable article.
  • an e-vaping system comprising an aerosol generating heat-not-burn consumable article and an e an e-vaping device comprising: an aerosol generating heat-not-burn consumable article oven comprising, a cylindric recess, elongate along a longitudinal direction (with its axis along a longitudinal direction), for receiving an aerosol generating heat-not-burn consumable article to be heated, an aerosol generating heat-not-burn consumable article to be heated which is inserted within the cylindric recess along the longitudinal direction of the cylindric recess, an elastic toroid-like or toroid retaining element with a circular longitudinal cross section and with a circular longitudinal axis, elastically radially protruding inward from internal wall of the recess and partially inserted within an annular groove in internal wall of the recess, so as to retain the aerosol generating heat-not-bum consumable article once inserted within the recess and so as to
  • Preferred embodiments comprise one or more of the following features, which can be taken separately or together, either in partial combination or in full combination.
  • the retaining element has a first dynamic friction between the retaining element and the aerosol generating heat-not-burn consumable article which is less than the first static friction between the retaining element and the aerosol generating heat-not-burn consumable article.
  • the retaining element is partially inserted within an annular groove in internal wall of the recess without being attached to the annular groove, so as to, when the aerosol generating heat-not-burn consumable article is inserted within the recess, be held within the annular groove while allow for relative roll of the retaining element within the annular groove, and preferably, the relative roll of the retaining element within the annular groove makes a circle in a longitudinal cross section.
  • the retaining element comprises a helicoidal spring or is a helicoidal spring.
  • Fig. 2 shows schematically an enlarged view of a part of figure 1.
  • Fig. 5 shows schematically an example of an oven of an e-vaping device with a retaining element of an aerosol generating heat-not-burn consumable article, according to another embodiment of the invention, with the oven cylindric recess receiving the aerosol generating heat-not-burn consumable article.
  • Fig. 6 shows schematically an example of an oven of an e-vaping device with a retaining element of an aerosol generating heat-not-burn consumable article, according to still another embodiment of the invention, with the oven cylindric recess receiving the aerosol generating heat-not-burn consumable article.
  • Fig. 8 shows schematically an example of an elastic retaining element of an aerosol generating heat-not-burn consumable article for an oven of an e-vaping device, according to another embodiment of the invention.
  • Fig. 10 shows schematically an example of an elastic retaining element of an aerosol generating heat-not-burn consumable article for an oven of an e-vaping device, according to still another embodiment of the invention.
  • Fig. 1 shows schematically an example of an e-vaping device with a retaining element of an aerosol generating heat-not-burn consumable article, according to an embodiment of the invention.
  • the longitudinal direction is the longitudinal direction or the length of the elongate and cylindric recess of the oven receiving the aerosol generating heat-not-bum consumable article which is elongate and which is often cylindric and which is preferably cylindric with a circular cross-section.
  • Fig. 3 shows schematically an example of an oven of an e-vaping device with a retaining element of an aerosol generating heat-not-burn consumable article, according to an embodiment of the invention, with the oven cylindric recess being empty.
  • the toroidal spring 7 when the heat tobacco stick 8 is not inserted within the cylindric recess 4 of the oven 3, the toroidal spring 7 will have a smaller diameter dl, called “natural diameter”.
  • This natural diameter dl may be preferably the diameter dl of the toroidal spring 7 when not stressed or stretched, however, for instance for tolerances management, it may alternatively still be slightly stressed or stretched.
  • Fig. 4 shows schematically an example of an oven of an e-vaping device with a retaining element of an aerosol generating heat-not-burn consumable article, according to an embodiment of the invention, with the oven cylindric recess receiving the aerosol generating heat-not-burn consumable article.
  • the internal diameter d2 of the elastic retaining element 7 has its maximal value, and radially protrudes minimally from internal wall 43 inward cylindric recess 4. This cylindric recess 4 is receiving the heat tobacco stick 8 which has been inserted within it.
  • the elastic retaining element 7 is partially located within the annular groove 40 of internal wall 43 of cylindric recess 4. This annular groove 40 is structured so as to retain the elastic retaining element 7 and so as to avoid that this elastic retaining element 7 falls within the cylindric recess 4.
  • the elastic retaining element 7 is a metallic toroidal spring
  • the toroidal spring 7 when the heat tobacco stick 8 is inserted, along longitudinal direction X, as shown by arrow 81 , into the cylindric recess 4 of the oven 3, the toroidal spring 7 will get further stressed while spinning to guide the heat tobacco stick 8 during its insertion as well as during its removal, with reduced friction as compared to known prior art.
  • This toroidal spring 7 still protrudes into the oven cavity which is the cylindric recess 4 of the oven 3, therefore this toroidal spring 7 will still hold the heat tobacco stick 8 in place while the user is vaping thereby avoiding accidental removal of the heat tobacco stick 8.
  • Fig. 5 shows schematically an example of an oven of an e-vaping device with a retaining element of an aerosol generating heat-not-burn consumable article, according to another embodiment of the invention, with the oven cylindric recess receiving the aerosol generating heat-not-burn consumable article.
  • the elastic retaining element 7 is a metallic helicoidal spring 7 having a spiral shape and extending from bottom 41 to top opening 42 of cylindric recess 4 of oven 3.
  • This metallic helicoidal spring 7 can also be used as an oven heater and replaces all or part of former heaters 5 or 6.
  • this metallic helicoidal spring 7 can heat the heat tobacco stick 8, either as an inductor or as an electrical resistance. In both cases, it is then required to connect the two ends of the spiral made by the metallic helicoidal spring 7 with the electric circuit that controls the oven heating.
  • FIG. 6 shows schematically an example of an oven of an e-vaping device with a retaining element of an aerosol generating heat-not-bum consumable article, according to still another embodiment of the invention, with the oven cylindric recess receiving the aerosol generating heat-not-burn consumable article.
  • the elastic retaining element 7 is a metallic helicoidal spring 7 having a spiral shape and extending from bottom 41 to top opening 42 of cylindric recess 4 of oven 3.
  • This metallic helicoidal spring 7 can also be used as an oven heater and replaces all or part of former heaters 5 or 6.
  • this metallic helicoidal spring 7 can heat the heat tobacco stick 8, either as an inductor or electrical resistance. In both cases, it is then required to connect the two ends of the spiral made by the metallic helicoidal spring 7 with the electric circuit that controls the oven heating.
  • Hall sensor 9 which detects, the insertion into and the removal out of the cylindric recess 4, of the heat tobacco stick 8, by detecting the change of magnetic field generated by the coil of the metallic helicoidal spring 7 when stretched or stressed by the heat tobacco stick 8 insertion or removal.
  • a sensor that detects the mechanical deformation of the spring when the heat tobacco stick 8 is inserted, thus allowing automatic heat tobacco stick 8 insertion detection.
  • An example of such a sensor is a Hall sensor 9 as shown on figure 6 (working with Hall effect), which detects the change in the magnetic field generated by the metallic helicoidal spring 7 when stretched or stressed.
  • the Hall sensor 9 will be positioned in a way so as to detect the change of the magnetic field that is generated by the toroidal and or spiral geometry of the metallic spring 7 which will be used as an elastic retaining element 7.
  • heat tobacco stick 8 insertion detection sensor could alternatively be a force sensor, for instance a strain gauge, which would be detecting the pressure exerted by the heat tobacco stick 8 against the coil of the spring 7 used as an elastic retaining element, or a strain gauge directly integrated into the spring 7 used as an elastic retaining element, as this spring 7 gets stressed when the heat tobacco stick 8 is inserted.
  • a force sensor for instance a strain gauge, which would be detecting the pressure exerted by the heat tobacco stick 8 against the coil of the spring 7 used as an elastic retaining element, or a strain gauge directly integrated into the spring 7 used as an elastic retaining element, as this spring 7 gets stressed when the heat tobacco stick 8 is inserted.
  • Fig. 7 shows schematically an example of an elastic retaining element of an aerosol generating heat-not-bum consumable article for an oven of an e-vaping device, according to an embodiment of the invention.
  • the elastic retaining element 7 is a metallic toroidal spring 7.
  • the pitch between two adjacent loops 71 is rather high. There is one central hollow 72 within all loops 71.
  • the pitch of the metallic toroidal spring 7 should be as loose as possible to better roll and to better reduce friction, what is the case for the metallic toroidal spring 7 represented on figure 7.
  • Fig. 8 shows schematically an example of an elastic retaining element of an aerosol generating heat-not-burn consumable article for an oven of an e-vaping device, according to another embodiment of the invention.
  • the elastic retaining element 7 is a metallic toroidal spring 7.
  • the pitch between two adjacent loops 71 is medium.
  • the pitch of the metallic toroidal spring 7 should be intermediate between tight (so as to better act as a barrier) and loose (so as to better roll and to better reduce friction), what is the case for the metallic toroidal spring 7 represented on figure 8.
  • Fig. 9 shows schematically an example of an elastic retaining element of an aerosol generating heat-not-burn consumable article for an oven of an e-vaping device, according to still another embodiment of the invention.
  • the elastic retaining element 7 is a metallic toroidal spring 7.
  • the pitch between two adjacent loops 71 is rather low.
  • the pitch of the metallic toroidal spring 7 should be as tight as possible to better act as a barrier, what is the case for the metallic toroidal spring 7 represented on figure 9.
  • the elastic retaining element 7 is not a toroidal spring as the previous cases, but composed of many independent flexible rings 71 with central hollows 72. This solution has the advantage of closing the oven when not in use, thus acting as oven lead as well.

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  • Cigarettes, Filters, And Manufacturing Of Filters (AREA)

Abstract

La présente invention concerne un dispositif de vapotage électronique comprenant : un four d'article consommable à chauffage sans combustion générant un aérosol (3), comprenant un évidement cylindrique (4), allongé le long d'une direction longitudinale (X), pour recevoir un article consommable à chauffage sans combustion générant un aérosol (8) à chauffer, un élément de retenue de type toroïdal (7) doté d'un cercle en tant que surface de révolution, faisant radialement saillie vers l'intérieur à partir de la paroi interne (43) de l'évidement (4) et étant partiellement inséré à l'intérieur d'une rainure annulaire (40) dans la paroi interne (43) de l'évidement (4), présentant un premier frottement statique (Fss) entre l'élément de retenue (7) et l'article consommable à chauffage sans combustion générant un aérosol (8) qui est supérieur à un second frottement statique (Fsd) entre l'élément de retenue (7) et la rainure annulaire (40) dans la paroi interne (43) de l'évidement (4).
PCT/EP2023/065347 2022-06-09 2023-06-08 Dispositif de vapotage présentant un élément de retenue d'article consommable à chauffage sans combustion générant un aérosol WO2023237658A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
EP22178175 2022-06-09
EP22178175.0 2022-06-09

Publications (1)

Publication Number Publication Date
WO2023237658A1 true WO2023237658A1 (fr) 2023-12-14

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PCT/EP2023/065347 WO2023237658A1 (fr) 2022-06-09 2023-06-08 Dispositif de vapotage présentant un élément de retenue d'article consommable à chauffage sans combustion générant un aérosol

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Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP3610746A2 (fr) 2017-04-11 2020-02-19 KT & G Coporation Dispositif de génération d'aérosol
WO2021044025A1 (fr) * 2019-09-06 2021-03-11 Philip Morris Products S.A. Dispositif de génération d'aérosol avec espace interne à l'article
WO2021044020A1 (fr) * 2019-09-06 2021-03-11 Philip Morris Products S.A. Dispositif de génération d'aérosol avec éléments d'étanchéité dans une cavité
WO2021152035A1 (fr) 2020-01-29 2021-08-05 Philip Morris Products S.A. Élément de retenue réglable pour un dispositif de génération d'aérosol
KR20210137832A (ko) 2020-05-11 2021-11-18 주식회사 케이티앤지 에어로졸 생성 장치

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP3610746A2 (fr) 2017-04-11 2020-02-19 KT & G Coporation Dispositif de génération d'aérosol
WO2021044025A1 (fr) * 2019-09-06 2021-03-11 Philip Morris Products S.A. Dispositif de génération d'aérosol avec espace interne à l'article
WO2021044020A1 (fr) * 2019-09-06 2021-03-11 Philip Morris Products S.A. Dispositif de génération d'aérosol avec éléments d'étanchéité dans une cavité
WO2021152035A1 (fr) 2020-01-29 2021-08-05 Philip Morris Products S.A. Élément de retenue réglable pour un dispositif de génération d'aérosol
KR20210137832A (ko) 2020-05-11 2021-11-18 주식회사 케이티앤지 에어로졸 생성 장치

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