WO2016112491A1 - Embout buccal pour dispositif électronique à fumer - Google Patents

Embout buccal pour dispositif électronique à fumer Download PDF

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Publication number
WO2016112491A1
WO2016112491A1 PCT/CN2015/070596 CN2015070596W WO2016112491A1 WO 2016112491 A1 WO2016112491 A1 WO 2016112491A1 CN 2015070596 W CN2015070596 W CN 2015070596W WO 2016112491 A1 WO2016112491 A1 WO 2016112491A1
Authority
WO
WIPO (PCT)
Prior art keywords
mouthpiece
coating
electronic smoking
smoking device
housing
Prior art date
Application number
PCT/CN2015/070596
Other languages
English (en)
Inventor
Xinliang TONG
Min SHENG
Original Assignee
Fontem Holdings 2 B.V.
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 Fontem Holdings 2 B.V. filed Critical Fontem Holdings 2 B.V.
Priority to PCT/CN2015/070596 priority Critical patent/WO2016112491A1/fr
Priority to GB1503126.3A priority patent/GB2534236A/en
Priority to TW105100926A priority patent/TW201632090A/zh
Publication of WO2016112491A1 publication Critical patent/WO2016112491A1/fr

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Classifications

    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61M—DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
    • A61M15/00—Inhalators
    • A61M15/06—Inhaling appliances shaped like cigars, cigarettes or pipes
    • 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
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61M—DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
    • A61M11/00—Sprayers or atomisers specially adapted for therapeutic purposes
    • A61M11/04—Sprayers or atomisers specially adapted for therapeutic purposes operated by the vapour pressure of the liquid to be sprayed or atomised
    • A61M11/041—Sprayers or atomisers specially adapted for therapeutic purposes operated by the vapour pressure of the liquid to be sprayed or atomised using heaters
    • A61M11/042—Sprayers or atomisers specially adapted for therapeutic purposes operated by the vapour pressure of the liquid to be sprayed or atomised using heaters electrical
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61M—DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
    • A61M15/00—Inhalators
    • A61M15/0001—Details of inhalators; Constructional features thereof
    • A61M15/0021—Mouthpieces therefor
    • 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
    • A24F40/10—Devices using liquid inhalable precursors
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61M—DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
    • A61M11/00—Sprayers or atomisers specially adapted for therapeutic purposes
    • A61M11/005—Sprayers or atomisers specially adapted for therapeutic purposes using ultrasonics
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61M—DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
    • A61M15/00—Inhalators
    • A61M15/0085—Inhalators using ultrasonics
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61M—DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
    • A61M16/00—Devices for influencing the respiratory system of patients by gas treatment, e.g. mouth-to-mouth respiration; Tracheal tubes
    • A61M16/0003—Accessories therefor, e.g. sensors, vibrators, negative pressure
    • A61M2016/0015—Accessories therefor, e.g. sensors, vibrators, negative pressure inhalation detectors
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61M—DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
    • A61M2205/00—General characteristics of the apparatus
    • A61M2205/02—General characteristics of the apparatus characterised by a particular materials
    • A61M2205/0205—Materials having antiseptic or antimicrobial properties, e.g. silver compounds, rubber with sterilising agent
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61M—DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
    • A61M2205/00—General characteristics of the apparatus
    • A61M2205/02—General characteristics of the apparatus characterised by a particular materials
    • A61M2205/0238—General characteristics of the apparatus characterised by a particular materials the material being a coating or protective layer
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61M—DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
    • A61M2205/00—General characteristics of the apparatus
    • A61M2205/02—General characteristics of the apparatus characterised by a particular materials
    • A61M2205/0244—Micromachined materials, e.g. made from silicon wafers, microelectromechanical systems [MEMS] or comprising nanotechnology
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61M—DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
    • A61M2205/00—General characteristics of the apparatus
    • A61M2205/36—General characteristics of the apparatus related to heating or cooling
    • A61M2205/3653—General characteristics of the apparatus related to heating or cooling by Joule effect, i.e. electric resistance
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61M—DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
    • A61M2205/00—General characteristics of the apparatus
    • A61M2205/82—Internal energy supply devices
    • A61M2205/8206—Internal energy supply devices battery-operated

Definitions

  • an electronic cigarette has a mouthpiece arranged at one end of a housing.
  • An electric power source such as a rechargeable battery, an electrically heatable atomizer and control electronics including an inhalation sensor are typically included within the housing.
  • the control electronics switches on a heater in the atomizer which heats a liquid to create vapour which is inhaled by the user.
  • the natural interaction between a user and an electronic smoking device is puffing on the device where a user contacts the mouthpiece.
  • the mouthpiece may become insanitary due to repeated use.
  • a mouthpiece is disclosed that is adapted to be used in an electronic smoking device.
  • the mouthpiece comprises a body and a hollow channel formed in the body and exposed by a terminal opening through which a user inhales an aerosol generated by the electronic smoking device.
  • the hollow channel forms a part of a flow path for the aerosol between an atomizer and the terminal opening from which the aerosol exits the electronic smoking device.
  • An outer portion of the mouthpiece body is at least partially covered by a coating comprising at least one selected from the group of silver, silver chloride, silver nitrate, silver oxide silver sulphide, silver sulphate, zinc, zinc oxide, zinc nitrate, zinc chloride, a mixture thereof or a fluoropolymer, preferably at least one selected from the group of silver, zinc oxide, polytetrafluoroethylene, fluorinated ethylene propylene, perfluoroalkoxy alkane and ethylene tetrafluoroethylene.
  • An advantage of the mouthpiece for an electronic smoking device according to the present invention is that it effectively prevents unwanted contamination of the mouthpiece thereby enhancing its hygienic properties.
  • Figure 1 is a schematic cross sectional view of an electronic smoking device according to the present invention with a detached mouthpiece in a schematic perspective view
  • Figure 2 is a schematic cross sectional view of a mouthpiece of a first embodiment according to the present invention in a detached state
  • Figure 3 is a schematic cross sectional view of a mouthpiece of a second embodiment according to the present invention in a detached state
  • Figure 4 is a schematic cross sectional view of an electronic smoking device according to the present invention with an integrally formed mouthpiece.
  • FIG 1 shows a schematic cross sectional view of an electronic smoking device according to the present invention with a detached mouthpiece in a schematic perspective view.
  • the electronic smoking device 1 is designed as an electronic cigarette and comprises a mouthpiece 3 which is attached to a first end of a housing 2 of the electronic smoking device 1.
  • the mouthpiece 3 is shown in a detached state for the sake of clarity.
  • the mouthpiece 3 is a part of the electronic smoking device 1 and represents an end section of the same.
  • the mouthpiece 3 has the form of a cone and is attachable to the housing 2 of the electronic smoking device 1 which has a substantially cylindrical shape in this embodiment.
  • the housing 2 accommodates a heating element 6 functioning as an atomizer and a reservoir 4 for storing a liquid 5 therein, wherein the heating element 6 is adapted to vaporize the liquid 5 supplied from the reservoir 4.
  • the heating element 6 is exemplarily realized as a heating coil, which is arranged adjacent to a side portion of the housing 2.
  • the present invention is not limited to such heating coils and it is possible to realize other embodiments of the electronic smoking device 1 with an atomizer 6 that differs from the embodiment shown in the Figure 1 of the application.
  • the reservoir 4 comprises a capsule which is arranged adjacent to the heating element 6 and which is filled with a liquid 5.
  • the reservoir 4 also may be realized as any other kind of receptacle that can have an arbitrary form or shape and also be located in another position inside the housing 2.
  • the liquid 5 exemplarily comprises a mixture of glycerol and a vanilla extract.
  • the liquid 5 is not limited thereto and it is possible to realize electronic smoking devices 1 with other liquids e. g.
  • propylene glycol triethylene glycol, polyhydric alcohol, tetraethylene glycol, aliphatic ester of carboxylic acid, such as methyl stearate, dimethyl dodecanedioate, dimethyl tetradecanedioate, water and the like.
  • flavoured materials may be added to the liquid 5, for example esters, such as isoamyl acetate, linalyl acetate, isoamyl propionate, linalyl butyrate and the like or natural essential oils as plant essential oils, such as spearmint, peppermint, cassia, jasmine and the like or animal essential oils, such as musk, amber, civet, castor and the like or simple flavouring materials, such as anethole, limonene, linalool, eugenol and the like or hydrophilic flavour components such as a leaf tobacco extract or natural plant flavouring materials such as licorice, St.
  • esters such as isoamyl acetate, linalyl acetate, isoamyl propionate, linalyl butyrate and the like
  • natural essential oils as plant essential oils, such as spearmint, peppermint, cassia, jasmine and the like
  • animal essential oils such as musk,
  • acids such as a malic acid, tartaric acid, citric acid and the like or sugars such as glucose, fructose, isomerized sugar and the like or polyhydric alcohols such as propylene glycol, glycerol, sorbitol and the like.
  • sugars such as glucose, fructose, isomerized sugar and the like
  • polyhydric alcohols such as propylene glycol, glycerol, sorbitol and the like.
  • liquid 5 When triggered by a user of the electronic smoking device 1, liquid 5 is released from the reservoir 4 and provided to the heating element 6 where it is vaporized.
  • the present invention is not limited to such vaporized liquids and it is possible to realize other embodiments of the electronic smoking device 1 which e.g. generate an aerosol from a solid material.
  • the electronic smoking device 1 comprises a flow path located inside the housing 2 extending from the heating element 6 to the mouthpiece 3.
  • an opening 8 is arranged at an upper portion of the housing 2 which represents an outlet for vaporized liquid 7 towards the mouthpiece 3 and which defines a cross section of the flow path 8.
  • the housing 2 may accommodate one or more guiding elements such as a separation wall or a deflection member which define or determine the course of the flow path inside the housing 2 of the electronic smoking device 1.
  • Such guiding elements may be positioned between an outlet of the reservoir 4 and the opening 8 of the housing 2 and are adapted to guide the vaporized liquid 7 to stream along a predefined flow path.
  • the opening 8 of the housing 2 also functions as a guiding element which determines the course of the flow path inside the housing 2.
  • FIG 2 shows a schematic cross sectional view of a mouthpiece of a first embodiment according to the present invention.
  • the mouthpiece 3 comprises a body portion 9 which is formed as a hollow cylinder.
  • the hollow cylinder 9 is formed of plastics and comprises a first end 12 functioning as a terminal portion of the mouthpiece 3 and having an opening 13 through which a user inhales an aerosol generated by the electronic smoking device 1.
  • the mouthpiece 3 is shown to be detached from the housing 2 for the sake of illustration. However, the mouthpiece 3 is fixed to the housing 2 for operation.
  • the mouthpiece 3 is fixed to the housing 2 by fixing means 16 arranged at a second end 17 of the hollow cylinder 9 (opposite to the first end 12) and fixing means 15 arranged in the housing 2 at a location corresponding to the fixing means 16.
  • the fixing means 15, 16 may be formed as screws, nuts, bolts and the like.
  • an opening 8 of the housing 2 corresponds to an opening 11 arranged in the second end 17 of the hollow cylinder 9 such to define a flow path from the heating element 6 (located inside the housing 2 and shown in Figure 1) to the opening 13 of the terminal end 12 of the mouthpiece 3.
  • the present invention is not limited to such fixing means and it is possible to realize embodiments in which mouthpiece 3 and housing 2 are integrally formed as one piece or in which the mouthpiece 3 is fixed to the housing 2 by an adhesive or the like.
  • an inner portion of the mouthpiece body 9 defines a chamber confined by inner surfaces portions of the first end 12, the second end 17 and the side walls 18 thereby forming a hollow channel 10 through which an aerosol such as vaporized liquid 7 flows when a user puffs on the device.
  • the mouthpiece 3 has a coating 14 which comprises silver, silver chloride, silver nitrate, silver oxide, silver sulphide, silver sulphate, zinc, zinc oxide, zinc nitrate, zinc chloride, a mixture thereof or a fluoropolymer, preferably at least one selected from the group of silver, zinc oxide, polytetrafluoroethylene, fluorinated ethylene propylene, perfluoroalkoxy alkane (perfluoroether) and ethylene tetrafluoroethylene.
  • the coating 14 may advantageously prevent unwanted contamination of the mouthpiece 3 due to repeated use.
  • the coating 14 covers an outer portion 21 of the terminal end 12 and an outer portion of the side walls 18 of the mouthpiece body 9.
  • the present invention is not limited to such arrangements of the coating 14 and it is possible to realize other embodiments which will be described in the following in more detail.
  • the hygienic protection coating 14 is only arranged at an outer surface of the electronic smoking device 1.
  • the coating 14 may be arranged at an outer surface of the mouthpiece body 9 and/or at an outer surface of the housing 2. That is, the coating 14 is preferably neither arranged at any inner surfaces of mouthpiece body 9 (except the terminal end 12) nor at any inner surfaces of the housing 2. More preferably, the coating 14 is only arranged at an outer surface of the mouthpiece 3 (not the housing 2) except an inner surface of the terminal end 12. Such an arrangement may effectively prevent unwanted contamination while reducing a material consumption for the coating 14.
  • the hygienic protection coating 14 is arranged such to adjoin the opening 13 of the terminal end 12.
  • the opening 13 is formed as a via hole in the terminal end 12 of the mouthpiece 9, wherein an inner surface (inner wall) 19 defining the via hole (opening 13) is arranged between an outer portion 21 of the terminal end 12 and an inner portion 20 of the terminal end 12.
  • the coating 14 is (only) arranged on the outer portion 21 of the terminal end 12 and extending such to adjoin an outermost point of the inner surface 19 of the opening 13 as shown in Figure 2.
  • the coating 14 is arranged such to directly contact (the outermost portion of) the opening 13 of the terminal end 12. That is, the coating 14 is arranged such to completely cover the terminal end 12 of the mouthpiece 3. Such an arrangement may effectively prevent unwanted contamination while further reducing a material consumption for the coating 14.
  • the present invention is not limited to such arrangements of the coating 14 and it is possible to realize other embodiments in which the coating 14 is additionally arranged such to cover (at least part of) the inner surface 19 of the opening 13. It is also possible that the coating 14 is additionally arranged such to cover the inner surface 19 of the opening 13 as well as (at least part of) inner surface 20 of the terminal end 12. In such cases however, it is preferred that the coating 14 is not arranged at the inner side wall 18 of the mouthpiece body 9. Such an arrangement may still more effectively prevent unwanted contamination while reducing a material consumption for the coating 14.
  • the coating 14 is formed such to be symmetrical with respect to an axis which extends through the opening 13. In many cases, said axis is identical to a longitudinal axis of the electronic smoking device 1.
  • the coating 14 preferably covers the whole circumference of the outer terminal portion 12 of the mouthpiece 3.
  • the mouthpiece 3 preferably comprises an outer terminal portion 12 with a rotationally symmetrical shape. In other words, the coating 14 extends from the opening 13 of the mouthpiece 3 in all radial directions in the same way.
  • the coating 14 extends towards a second end 17 of mouthpiece 3 facing towards the housing 2.
  • the present invention is not limited to such arrangements of the coating 14 and it is possible to realize other embodiments in which the coating 14 only extends over a part of the side surfaces 18 of the mouthpiece body 9.
  • the mouthpiece body 9 is formed of a non-deformable material having the coating 14 to be directly applied on its outer surface.
  • the mouthpiece body 9 is integrally formed from the non-deformable material which may be hard plastics.
  • the coating 14 covers at least 50%of the outer surface of the mouthpiece body 9, more preferably at least 65%of the outer surface of the mouthpiece body 9 and still more preferably at least 80%of the outer surface of the mouthpiece body 9.
  • the coating 14 comprises nanoparticles being spread over the mouthpiece body 9.
  • the present invention is not limited to such arrangements of the coating 14 and it is possible to realize other embodiments in which the coating 14 is formed as a continuous layer.
  • the nanoparticles are randomly distributed over a potion of the mouthpiece body 9 to be covered by the coating 14 (see above for preferred areas to be covered) . That is, the nanoparticles may be formed as colloids which are randomly distributed on the outer surface of the mouthpiece body 9 and the nanoparticles (colloids) are separated from each other.
  • the average size of the nanoparticles (colloids) preferably ranges between 1 nm and 500nm, more preferably between 1 nm and 50nm and still more preferably between 1 nm and 10nm. The preferred average size results in more effective prevention of unwanted contamination.
  • silver nanoparticles are used for the coating 14 that effectively prevent unwanted contamination with a comparatively low silver consumption for the coating 14. Due to the fact that released silver ions are responsible for the anti-microbial effect of silver nanoparticles the concentration of the silver nanoparticles on the (outer) surface of the mouthpiece body 9 should be chosen so that the concentration of the silver ions ranges between 25 ppm and 300 ppm, more preferably between 80 ppm and 150 ppm. Such concentrations of silver ions are suitable to inhibit microbial activity on the coating of the mouthpiece.
  • the coating 14 is according to another preferred embodiment of the invention applied onto the mouthpiece body 9 by application of a silver nanoparticle suspension with a concentration of silver nanoparticles ranging between 20 and 500 ppm, more preferably between 120 and 300 ppm and still more preferably between 180 and 250 ppm.
  • concentration of silver nanoparticles in said suspension effectively prevents unwanted contamination while further reducing a material consumption for the coating 14.
  • zinc oxide (ZnO) nanoparticles are used for the coating 14 that effectively prevent unwanted contamination with a still lower material consumption (in terms of costs) for the coating 14.
  • a preferred concentrationof the ZnO nanoparticles on the (outer) surface of the mouthpiece body 9 ranges between 0, 000001 and 25 percent by mass, more preferably between 0, 00001 and 20 percent by mass and still more preferably between 0, 001 and 15 percent by mass.
  • the coating 14 is preferably applied onto the mouthpiece body 9 by application of a ZnO nanoparticle suspension that possesses such a concentration of ZnO nanoparticles that the coating 14 shows a concentration of ZnO nanoparticles as described above. Such concentration of ZnO nanoparticles may effectively prevent unwanted contamination while further reducing a material consumption for the coating 14.
  • a mixture of silver nanoparticles and ZnO nanoparticles are used for the coating 14 which effectively prevent unwanted contamination and further prevent colour change of the coating 14 due to exposure to UV light.
  • a ratio between silver nanoparticles and ZnO nanoparticles preferably ranges between 0.1 to 10, more preferably between 0.2 to 5 and still more preferably between 0.5 to 2. Using such ratio of ZnO/silver nanoparticles may effectively prevent unwanted contamination and colour change while further reducing a material consumption for the coating 14.
  • the density of the nanoparticles can be increased such that the coating 14 is as a continuous layer being formed from the nanoparticles (colloids) .
  • the coating 14 is formed of a fluoropolymer.
  • the coating 14 is formed from one selected of the group of polytetrafluoroethylene (PTFE) , fluorinated ethylene propylene (FEP) , perfluoroalkoxy alkane (PFA) and ethylene tetrafluoroethylene (ETFE) .
  • PTFE polytetrafluoroethylene
  • FEP fluorinated ethylene propylene
  • PFA perfluoroalkoxy alkane
  • ETFE ethylene tetrafluoroethylene
  • perfluoroether is preferably used. It is furthermore preferred that the coating 14 is formed as a continuous layer in this preferred embodiment.
  • the continuous layer of the coating 14 has a uniform thickness ranging between 1 and 500 ⁇ m, more preferably between 20 and 400 ⁇ m and still more preferably between 50 and 200 ⁇ m. If the continuous layer becomes too thin, it may easily break while a material consumption is rather high if the continuous layer becomes too thick.
  • Fig. 3 shows a schematic cross sectional view of a mouthpiece of a second embodiment according to the present invention in a detached state.
  • the mouthpiece 3 is shown to be detached from the housing 2 for the sake of illustration.
  • the mouthpiece 3 is fixed to the housing 2 for operation.
  • the second embodiment of the present invention is substantially identical to the first embodiment of the electronic smoking device 1 as shown in Fig. 2 and as described hereinbefore.
  • some of the components of the second embodiment of the present invention differ from the respective components with the same reference signs of the first embodiment of the present invention. Therefore, the differences of the second embodiment in comparison to the first embodiment will be described hereinafter.
  • the mouthpiece body 9 is not formed as a hollow cylinder but as a cone which tapers towards the terminal end 12.
  • the hygienic protection coating 14 as described above in more detail extends from outermost portion of the inner wall 19 defining the opening 13 (through which a user inhales an aerosol during operation) towards the housing 2 of the electronic smoking device 1.
  • the coating 14 contrary to the first embodiment shown in Figure 2, the coating 14 only extends over a part of the (rotationally symmetric) side wall 18 and therefore neither adjoins nor covers the second end 17 of mouthpiece 3 which connects to the housing 2 of the electronic smoking device 1.
  • the coating 14 is only formed (from the terminal end 12) over 50%to 95% (more preferably 75%to 95%) of the length of the mouthpiece 3 along the longitudinal axis 22 of the mouthpiece 3. Such arrangement of the coating 14 may further reduce the material consumption for the coating 14 while effectively preventing unwanted contamination in the most frequented contact area located close to the opening 13.
  • Fig. 4 shows a schematic cross sectional view of an electronic smoking device 1 according to the present invention with an integrally formed mouthpiece 3.
  • the third embodiment of the present invention is substantially identical to the first embodiment of the electronic smoking device 1 as shown in Fig. 2 and as described hereinbefore.
  • some of the components of the second embodiment of the present invention differ from the respective components with the same reference signs of the first embodiment of the present invention. Therefore, the differences of the second embodiment in comparison to the first embodiment will be described hereinafter.
  • the housing 2 and the mouthpiece 3 are integrally formed and not to be detachable as shown in Figures 2 and 3. That is, the mouthpiece body 9 and the housing 2 are integrally formed as one solid member. Accordingly, fixing members 15, 16 can be avoided.
  • the electronic smoking device 1 may nevertheless comprise an opening formed in the housing 2 (not shown) for accessing the liquid reservoir 4 for refilling or the like. Furthermore, openings 8 and 11 as shown in Figures 2 and 3 can be avoided thereby further simplifying the electronic smoking device 1.
  • the electronic smoking device 1 according to the third embodiment of the present invention may include one or more guiding elements (not shown) adapted to define a course of the flow path inside the housing 2. In this sense, the opening 13 of the housing 2 also functions as a guiding element which restricts the cross section of the flow path.
  • the hygienic protection coating 14 as described above in more detail extends from outermost portion of the inner wall 19 defining the opening 13 along the outer portion 21 of the terminal end 12 towards an opposite end of the electronic smoking device 1.
  • the coating 14 additionally extends along the complete portion of inner wall 19 of the opening 13.
  • the coating 14 is only formed (from the terminal end 12) over 3%to 40% (more preferably 5%to 25%and still more preferably 10%to 20%) of the length of the electronic smoking device 1 along the longitudinal axis 22.
  • the longitudinal axis 22 extending through the opening 13 coincides with the longitudinal axis of the electronic smoking device 1.
  • the preferred range at which the coating 14 is provided reflects the most frequented contact area of a user located close to the opening 13 that can effectively prevent unwanted contamination and may further reduce the material consumption for the coating 14.
  • the present invention discloses a coating 14 which is located at an outer portion of the mouthpiece 3 and which may in addition be located at (apart of) an inner portion of the mouthpiece 3 as shown in Figure 4.
  • the coating 14 is preferably formed at an outermost portion of the mouthpiece 3 with respect to a longitudinal axis 22 of the electronic smoking device 1.
  • Such outermost portion preferably comprises a surface extending perpendicularly to the longitudinal axis 22 and the coating 14 preferably completely covers this outermost surface.
  • the coating 14 according to the present invention may be formed of randomly spread nanoparticles or as a continuous layer.
  • said coating 14 is formed as continuous portion, i. e. as single continuous layer or as a single continuous area being spread with nanoparticles.
  • the coating 14 comprises a rotationally symmetrical shape.
  • a puff detector for detecting a user puffing on a device could be provided and the puff detector could be arranged to initiate the activation of an atomizer when a user puffed on the device
  • the puff detector could be replaced by a push button and a user could be cause an atomizer to activate by pressing on the button.
  • other means for activating the device could be provided.

Abstract

L'invention concerne un dispositif électronique à fumer (1) qui comprend un boîtier (2) qui loge un élément chauffant (6) et un réservoir de liquide (4). L'élément chauffant (6) est conçu pour vaporiser un liquide (5) fourni par le réservoir (4) afin de générer un aérosol (7). Un embout buccal (3) est formé au niveau d'une extrémité du dispositif électronique à fumer (1). L'embout buccal (3) est au moins partiellement recouvert par un revêtement (14) comprenant au moins un élément choisi dans le groupe constitué par l'argent, le zinc, le polytétrafluoroéthylène, l'éthylène-propylène fluoré, le perfluoroalcoxy alcane et l'éthylène-tétrafluoroéthylène.
PCT/CN2015/070596 2015-01-13 2015-01-13 Embout buccal pour dispositif électronique à fumer WO2016112491A1 (fr)

Priority Applications (3)

Application Number Priority Date Filing Date Title
PCT/CN2015/070596 WO2016112491A1 (fr) 2015-01-13 2015-01-13 Embout buccal pour dispositif électronique à fumer
GB1503126.3A GB2534236A (en) 2015-01-13 2015-02-25 Mouthpiece for an electronic smoking device
TW105100926A TW201632090A (zh) 2015-01-13 2016-01-13 電子吸菸裝置的吸嘴

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PCT/CN2015/070596 WO2016112491A1 (fr) 2015-01-13 2015-01-13 Embout buccal pour dispositif électronique à fumer

Publications (1)

Publication Number Publication Date
WO2016112491A1 true WO2016112491A1 (fr) 2016-07-21

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ID=52822144

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US10279934B2 (en) 2013-03-15 2019-05-07 Juul Labs, Inc. Fillable vaporizer cartridge and method of filling
US10104915B2 (en) 2013-12-23 2018-10-23 Juul Labs, Inc. Securely attaching cartridges for vaporizer devices
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US10058124B2 (en) 2013-12-23 2018-08-28 Juul Labs, Inc. Vaporization device systems and methods
US10058129B2 (en) 2013-12-23 2018-08-28 Juul Labs, Inc. Vaporization device systems and methods
US10667560B2 (en) 2013-12-23 2020-06-02 Juul Labs, Inc. Vaporizer apparatus
US10058130B2 (en) 2013-12-23 2018-08-28 Juul Labs, Inc. Cartridge for use with a vaporizer device
US10045568B2 (en) 2013-12-23 2018-08-14 Juul Labs, Inc. Vaporization device systems and methods
US10512282B2 (en) 2014-12-05 2019-12-24 Juul Labs, Inc. Calibrated dose control
US10865001B2 (en) 2016-02-11 2020-12-15 Juul Labs, Inc. Fillable vaporizer cartridge and method of filling
US10405582B2 (en) 2016-03-10 2019-09-10 Pax Labs, Inc. Vaporization device with lip sensing
USD929036S1 (en) 2016-06-16 2021-08-24 Pax Labs, Inc. Vaporizer cartridge and device assembly
USD849996S1 (en) 2016-06-16 2019-05-28 Pax Labs, Inc. Vaporizer cartridge
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USD848057S1 (en) 2016-06-23 2019-05-07 Pax Labs, Inc. Lid for a vaporizer
USD836541S1 (en) 2016-06-23 2018-12-25 Pax Labs, Inc. Charging device
USD851830S1 (en) 2016-06-23 2019-06-18 Pax Labs, Inc. Combined vaporizer tamp and pick tool
USD842536S1 (en) 2016-07-28 2019-03-05 Juul Labs, Inc. Vaporizer cartridge
USD825102S1 (en) 2016-07-28 2018-08-07 Juul Labs, Inc. Vaporizer device with cartridge
USD887632S1 (en) 2017-09-14 2020-06-16 Pax Labs, Inc. Vaporizer cartridge
CN109864343A (zh) * 2019-03-29 2019-06-11 深圳市余看智能科技有限公司 烟嘴、吸烟器和烟用加热器

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