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WO2023112145A1 - Unité d'atomisation et inhalateur d'arôme - Google Patents

Unité d'atomisation et inhalateur d'arôme Download PDF

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Publication number
WO2023112145A1
WO2023112145A1 PCT/JP2021/046044 JP2021046044W WO2023112145A1 WO 2023112145 A1 WO2023112145 A1 WO 2023112145A1 JP 2021046044 W JP2021046044 W JP 2021046044W WO 2023112145 A1 WO2023112145 A1 WO 2023112145A1
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WO
WIPO (PCT)
Prior art keywords
chamber
consumable
atomization unit
roughened
heating
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.)
Ceased
Application number
PCT/JP2021/046044
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English (en)
Japanese (ja)
Inventor
干城 隅井
遼 田村
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.)
Japan Tobacco Inc
Original Assignee
Japan Tobacco Inc
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 Japan Tobacco Inc filed Critical Japan Tobacco Inc
Priority to PCT/JP2021/046044 priority Critical patent/WO2023112145A1/fr
Publication of WO2023112145A1 publication Critical patent/WO2023112145A1/fr
Anticipated expiration legal-status Critical
Ceased legal-status Critical Current

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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
    • A24F40/20—Devices using solid inhalable precursors

Definitions

  • the present invention relates to an atomization unit and a flavor inhaler.
  • flavor inhalers for inhaling flavors without burning materials have been known.
  • the flavor inhaler has, for example, a chamber containing a flavor generating article and a heater for heating the flavor generating article contained in the chamber.
  • Patent Document 1 a pressing portion is provided in the chamber to deform and hold the flavor-generating article
  • Patent Document 2 a convex portion is provided on the inner surface of the chamber to deform and hold the flavor-generating article.
  • One of the objects of the present invention is to make flavor generating articles (consumables) less likely to escape from the chamber by other techniques.
  • an atomization unit has a chamber containing the consumable and a heating section for heating the smokable material contained in the consumable.
  • the chamber has a pressing surface configured to contact or press against the consumable when the consumable is placed in the desired position within the chamber.
  • the chamber has a first roughened portion with improved surface roughness on the pressing surface. The first roughened portion is provided at the tip of the chamber.
  • the pressing surface is provided with the first roughened portion, the frictional force between the consumable material and the chamber by the pressing surface is improved, and the consumable material is less likely to come out of the chamber.
  • the smokable article contracts.
  • the tip of the consumable may not be heated to prevent aerosol generated from the smokable article from escaping the tip of the consumable. That is, the tip of the consumable may be less likely to heat and shrink than other portions.
  • the first roughened portion is provided at the tip of the chamber, the first roughened portion can be brought into contact with the tip portion of the consumable material that is difficult to shrink. The contact with the planarized portion can be easily maintained.
  • a gist of a second aspect is that in the first aspect, the first roughened portion is provided only on the pressing surface of the chamber.
  • the processing on the inner surface of the chamber can be minimized.
  • an increase in heat capacity of the chamber and an increase in processing cost can be suppressed.
  • a gist of a third aspect is that, in the first aspect or the second aspect, it has a convex portion that is provided on the inner surface of the chamber and comes into contact with the consumable material stored in the chamber.
  • the consumable material can be pressed and gripped by the projections provided on the inner surface of the chamber, the consumable material can be made more difficult to escape from the chamber.
  • the chamber has a non-pressing surface that separates from the consumable when the consumable is placed at a desired position in the chamber, and the projection is the non-pressing surface.
  • the gist is that it is provided on the pressing surface.
  • the convex portion is provided on the pressing surface
  • the contact area between the consumable material and the pressing surface is reduced, and the holding force of the consumable material by the first roughened portion is improved.
  • the effect will decrease.
  • the heating portion is provided on the outer surface of the pressing portion, the contact area between the consumable material and the inner surface (pressing surface) of the pressing portion is reduced, thereby reducing the efficiency of heat transfer to the consumable material via the pressing surface. There is also the fear of doing so.
  • the fourth aspect it is possible to make it more difficult for the consumable material to escape from the chamber by means of the projections without reducing the effect of improving the holding power of the consumable material by the first roughened portion. Further, when the heating portion is provided on the outer surface of the pressing portion, it is possible to suppress the decrease in the efficiency of heat transfer to the consumable material through the pressing surface.
  • the gist of the fifth aspect is that, in the third aspect or the fourth aspect, a second roughened portion with improved surface roughness is provided on the surface of the convex portion.
  • the protrusion that presses the consumable is provided with the second roughened portion, the frictional force between the consumable and the protrusion is improved, and the consumable is less likely to escape from the chamber.
  • the smokable article is heated by the heating unit to generate an aerosol or the like, the smokable article contracts.
  • the protrusion projects further into the chamber than the rest of the chamber, the smokable article is more likely to remain in contact with the consumable as compared to the rest of the chamber.
  • the second roughened portion is provided in the portion where contact with the consumable material is likely to be maintained, even if the smokable article shrinks, the second roughened portion and the consumable material protrude from each other. The effect of improving the frictional force with the part can be easily maintained.
  • a gist of a sixth aspect is that, in any one of the first to fifth aspects, the surface roughness of the first roughened portion is 0.5 ⁇ m or more and 15 ⁇ m or less.
  • the sixth aspect it is possible to suppress tearing of the wrapping paper of the consumable material while improving the holding power of the consumable material. If the surface roughness of the first roughened portion is less than 0.5 ⁇ m, there is a risk that the holding power of the consumable material in the chamber cannot be sufficiently increased. Further, if the surface roughness of the first roughened portion exceeds 15 ⁇ m, the frictional force between the consumable product and the chamber increases excessively, and there is a risk that the wrapping paper of the consumable product will be torn.
  • a gist of a seventh aspect is that in any one of the first to sixth aspects, the thickness of the first roughened portion is 0.01 mm or more and 0.03 mm or less.
  • the seventh aspect it is possible to improve the holding power of the consumables, while suppressing the deterioration of the heating efficiency due to the increase in the heat capacity of the chamber. If the thickness of the first roughened portion is less than 0.01 mm, particles may easily fall off, or the holding power of the consumable in the chamber may not be sufficiently increased. Further, if the thickness of the first roughened portion exceeds 0.03 mm, the heat capacity of the chamber may become too large and the heating efficiency may deteriorate.
  • the chamber has a pressing portion having the pressing surface, and the thickness of the pressing portion is 0.05 mm or more and 0.3 mm or less. and a ratio of the thickness of the first roughened portion to the thickness of the pressing portion is 0.03 or more and 0.6 or less.
  • the eighth aspect it is possible to suppress the deterioration of the heating efficiency due to the increase in the heat capacity of the chamber while suppressing the peeling or falling off of the first roughened portion. If the ratio is less than 0.03, the first roughened portion may peel off or come off. Further, if the thickness of the first roughened portion is more than 0.6, the heat capacity of the chamber may become too large and the heating efficiency may deteriorate.
  • the gist of a ninth aspect is that in any one of the first to eighth aspects, the first roughened portion has a surface roughness greater than that of the outer surface of the chamber.
  • the frictional force between the consumable material and the chamber is improved, making it difficult for the consumable material to escape from the chamber.
  • a gist of a tenth aspect is that in any one of the first to ninth aspects, the heating unit is provided on the outer surface of the chamber.
  • the placement location of the heating section may be restricted so that the first roughened section and the heating section do not overlap.
  • the heating section can be arranged anywhere on the outer surface of the chamber. Also, since the heating portion does not come into direct contact with the consumables, the heating portion is prevented from being soiled by smokable materials.
  • the gist of the eleventh aspect of the tenth aspect is that the first roughened portion is provided on the inner surface corresponding to the outer surface of the chamber where the heating portion is not provided.
  • the first roughened portion is provided on the inner surface corresponding to the outer surface of the chamber, which is the tip portion of the chamber and is not provided with the heating portion. That is, since the tip of the chamber is not provided with a heating portion, the tip of the consumable material is less likely to shrink than other portions. Therefore, since the first roughened portion can be brought into contact with the tip portion of the consumable material which is difficult to shrink, the contact between the consumable material and the first roughened portion can be easily maintained.
  • a flavor inhaler comprises an atomization unit of any of the first to eleventh aspects and a power source configured to power the atomization unit.
  • FIG. 1 is a schematic cross-sectional side view of a consumable;
  • FIG. 3 is a cross-sectional view of the flavor inhaler taken along line 3-3 shown in FIG. 1B;
  • FIG. 3 is a perspective view of the chamber;
  • Figure 4B is a cross-sectional view of the chamber taken along line 4B-4B shown in Figure 4A;
  • Figure 5A is a cross-sectional view of the chamber taken along line 5A-5A shown in Figure 4B;
  • 5B is a cross-sectional view of the chamber taken along line 5B-5B shown in FIG. 4B;
  • FIG. Fig. 3 is a perspective view of the chamber and heating unit;
  • FIG. 7 is a cross-sectional view taken perpendicular to the axial direction of the chamber shown in FIGS.
  • FIG. 1A is a schematic front view of the flavor inhaler 100 according to this embodiment.
  • FIG. 1B is a schematic top view of the flavor inhaler 100 according to this embodiment.
  • FIG. 1C is a schematic bottom view of the flavor inhaler 100 according to this embodiment.
  • an XYZ orthogonal coordinate system may be attached for convenience of explanation. In this coordinate system, the Z axis points vertically upward, the XY plane is arranged to cut the flavor inhaler 100 horizontally, and the Y axis extends from the front to the back of the flavor inhaler 100. arranged to come out.
  • the Z-axis can also be referred to as the direction of insertion of consumables contained in the chamber 50 of the atomization unit 30 described later, or the axial direction of the cylindrical chamber 50 .
  • the Z-axis direction may be simply referred to as the axial direction.
  • the X-axis can be said to be a first direction perpendicular to the axial direction
  • the Y-axis can also be said to be a second direction perpendicular to the axial direction and the first direction.
  • the X-axis direction can also be said to be the longitudinal direction of the device in a plane perpendicular to the direction in which the consumable is inserted, or the direction in which the heating section and the power supply section are aligned.
  • the Y-axis direction can also be said to be the lateral direction of the device in a plane perpendicular to the direction of insertion of the consumable.
  • the flavor inhaler 100 is configured, for example, to generate an aerosol containing flavor by heating a stick-shaped consumable material having a flavor source containing an aerosol source.
  • the flavor inhaler 100 has an outer housing 101, a slide cover 102, and a switch section 103.
  • Outer housing 101 forms the outermost housing of flavor inhaler 100 and is sized to fit in the user's hand. When the user uses the flavor inhaler 100, the user can hold the flavor inhaler 100 in his or her hand and inhale the aerosol.
  • Outer housing 101 may be configured by assembling a plurality of members.
  • the outer housing 101 can be made of resin such as PEEK (polyetheretherketone).
  • the outer housing 101 has an opening (not shown) for receiving consumables, and the slide cover 102 is slidably attached to the outer housing 101 so as to close this opening. Specifically, the slide cover 102 moves the outer housing 101 between a closed position (position shown in FIGS. 1A and 1B) for closing the opening of the outer housing 101 and an open position for opening the opening. It is configured to be movable along the surface. For example, the user can manually operate the slide cover 102 to move the slide cover 102 between the closed position and the open position. This permits or restricts access of consumables to the interior of the slide cover 102 and flavor inhaler 100 .
  • the switch section 103 is used to switch the operation of the flavor inhaler 100 between on and off.
  • the user operates the switch unit 103 while inserting the consumable material into the flavor inhaler 100, whereby power is supplied from a power source (not shown) to a heating unit (not shown) to heat the consumable material without burning it. can be done.
  • the switch portion 103 may be a switch provided outside the outer housing 101 or a switch positioned inside the outer housing 101 . When the switch is located inside the outer housing 101 , the switch is indirectly pressed by pressing the switch portion 103 on the surface of the outer housing 101 . In this embodiment, an example in which the switches of the switch section 103 are located inside the outer housing 101 will be described.
  • the flavor inhaler 100 may further have a terminal (not shown).
  • a terminal can be an interface that connects the flavor inhaler 100 to, for example, an external power source.
  • the power source provided in the flavor inhaler 100 is a rechargeable battery, by connecting an external power source to the terminal, the external power source can supply a current to the power source to charge the power source.
  • the flavor inhaler 100 may also be configured to transmit data related to the operation of the flavor inhaler 100 to an external device by connecting a data transmission cable to the terminal.
  • FIG. 2 is a schematic side cross-sectional view of consumable 110 .
  • the flavor inhaler 100 and the consumable 110 may constitute a smoking system.
  • consumable article 110 includes smokable article 111 , tubular member 114 , hollow filter portion 116 and filter portion 115 .
  • a smokable article 111 is wrapped by a first wrapping paper 112 .
  • the tubular member 114 , the hollow filter portion 116 and the filter portion 115 are wrapped with a second wrapping paper 113 different from the first wrapping paper 112 .
  • the second wrapping paper 113 also wraps a portion of the first wrapping paper 112 that wraps the smokable article 111 .
  • the tubular member 114, the hollow filter portion 116, the filter portion 115 and the smokable article 111 are connected.
  • second wrapping paper 113 may be omitted and first wrapping paper 112 may be used to connect tubular member 114, hollow filter portion 116, and filter portion 115 to smokable article 111.
  • a lip release agent 117 is applied to the outer surface of the second wrapping paper 113 in the vicinity of the filter portion 115 side end to prevent the user's lips from sticking to the second wrapping paper 113 .
  • a portion of the consumable product 110 to which the lip release agent 117 is applied functions as a mouthpiece for the consumable product 110 .
  • the smokable material 111 may include a flavor source, such as tobacco, and an aerosol source.
  • the first wrapping paper 112 around which the smokable article 111 is wrapped may be a breathable sheet member.
  • Tubular member 114 may be a paper tube or hollow filter.
  • the consumable item 110 includes a smokable article 111, a tubular member 114, a hollow filter portion 116, and a filter portion 115, but the configuration of the consumable item 110 is not limited to this.
  • hollow filter portion 116 may be omitted, and cylindrical member 114 and filter portion 115 may be arranged adjacent to each other.
  • FIG. 3 is a cross-sectional view of flavor inhaler 100 taken along line 3-3 shown in FIG. 1B.
  • an inner housing 10 is provided inside an outer housing 101 of the flavor inhaler 100 .
  • the inner housing 10 is made of, for example, a resin, particularly polycarbonate (PC), ABS (Acrylonitrile-Butadiene-Styrene) resin, PEEK (polyetheretherketone), or a polymer alloy containing a plurality of types of polymers, or It can be made of metal such as aluminum. From the viewpoint of heat resistance and strength, the inner housing 10 is preferably made of PEEK.
  • the material of the inner housing 10 is not particularly limited.
  • a power supply unit 20 and an atomization unit 30 are provided in the inner space of the inner housing 10 .
  • the outer housing 101 is made of, for example, a resin, particularly polycarbonate (PC), ABS (Acrylonitrile-Butadiene-Styrene) resin, PEEK (polyetheretherketone), or a polymer alloy containing a plurality of types of polymers. Alternatively, it can be made of metal such as aluminum.
  • the power supply unit 20 has a power supply 21 .
  • Power source 21 may be, for example, a rechargeable battery or a non-rechargeable battery.
  • Power supply 21 is electrically connected to atomization unit 30 . This allows the power source 21 to power the atomization unit 30 to properly heat the consumable 110 .
  • the atomization unit 30 includes a chamber 50 extending in the direction in which the consumable material 110 is inserted (the Z-axis direction), a heating unit 40 surrounding a portion of the chamber 50, a heat insulating portion 32, and a substantially cylindrical insert. and a guide member 34 .
  • Chamber 50 is configured to contain consumables 110 .
  • Heating unit 40 is configured to heat smokable material 111 contained in consumable 110 .
  • the heating unit 40 can be arranged, for example, in contact with the outer peripheral surface of the chamber 50 .
  • the flavor inhaler 100 further has a first support section 37 and a second support section 38 that support both ends of the chamber 50 and the heat insulation section 32 .
  • the first support portion 37 is arranged to support the ends of the chamber 50 and the heat insulating portion 32 on the side of the slide cover 102 (positive direction of the Z axis).
  • the second support portion 38 is arranged to directly or indirectly support the ends of the chamber 50 and the heat insulating portion 32 on the Z-axis negative direction side.
  • the first support portion 37 and the second support portion 38 can be made of elastomer such as silicone rubber, for example.
  • a bottom member 36 may be provided at the bottom of the chamber 50 as shown. Bottom member 36 may act as a stop to position consumable 110 inserted into chamber 50 .
  • the bottom member 36 has unevenness on the surface with which the consumable material 110 abuts, and can define a space capable of supplying air to the surface with which the consumable material 110 abuts.
  • the bottom member 36 may be made of, for example, a resin material such as PEEK, metal, glass, ceramic, or the like, but is not particularly limited to this.
  • the material forming the bottom member 36 may be a material having a lower thermal conductivity than the material forming the chamber 50 .
  • an adhesive that can be composed of a resin material such as epoxy resin or an inorganic material can be used. Details of the chamber 50 and the heating unit 40 will be described later.
  • the heat insulation part 32 has a substantially tubular shape as a whole and is arranged so as to surround the chamber 50 .
  • the heat insulating portion 32 may include, for example, an airgel sheet.
  • the insertion guide member 34 is made of a resin material such as PEEK, PC, or ABS, and is provided between the slide cover 102 in the closed position and the chamber 50 . In this embodiment, since the insertion guide member 34 can come into contact with the chamber 50, the insertion guide member 34 is preferably made of PEEK from the viewpoint of heat resistance.
  • the insertion guide member 34 communicates with the exterior of the flavor inhaler 100 when the slide cover 102 is in the open position, and inserting the consumable 110 into the insertion guide member 34 facilitates the insertion of the consumable 110 into the chamber 50 . to guide
  • FIG. 4A is a perspective view of chamber 50.
  • FIG. 4B is a cross-sectional view of chamber 50 taken along line 4B-4B shown in FIG. 4A.
  • 5A is a cross-sectional view of chamber 50 taken along line 5A-5A shown in FIG. 4B.
  • 5B is a cross-sectional view of chamber 50 taken along line 5B-5B shown in FIG. 4B.
  • FIG. 6 is a perspective view of the chamber 50 and the heating unit 40.
  • the chamber 50 can be a tubular member that includes an opening 52 into which the consumable 110 is inserted and a tubular side wall 60 that houses the consumable 110 .
  • the chamber 50 is preferably made of a material having heat resistance and a small coefficient of thermal expansion.
  • the chamber 50 can be made of metal such as stainless steel, resin such as PEEK, glass, or ceramic.
  • the side wall portion 60 includes a flat portion 62 (corresponding to an example of a pressing portion) and a curved portion 66 (corresponding to an example of a non-pressing portion).
  • Flat portion 62 contacts or presses against a portion of consumable 110 when consumable 110 is in the desired position within chamber 50 .
  • Curved portion 66 is spaced from consumable 110 when consumable 110 is in the desired position within chamber 50 . That is, the curved portion 66 does not contact or press against the consumable item 110 .
  • the term "desired position within the chamber 50" refers to a position where the consumable 110 is properly heated or a position of the consumable 110 when smoked by the user.
  • the flat portion 62 has a flat inner surface 62a (corresponding to an example of a pressing surface) and a flat outer surface 62b.
  • the inner surface 62 a of the flat portion 62 is configured to contact or press against the consumable 110 when the consumable 110 is placed in the desired position within the chamber 50 .
  • the curved portion 66 has an inner surface 66a (corresponding to an example of a non-pressing surface) and an outer surface 66b.
  • the heating unit 40 is provided on the outer surface of the chamber 50 .
  • the heating unit 40 is preferably arranged on the outer surface 62b of the flat portion 62 without any gap.
  • the heating unit 40 may include an adhesive layer. In that case, the heating unit 40 including the adhesive layer is preferably arranged on the outer surface 62b of the flat portion 62 without any gap.
  • the outer surface 62b of the flat portion 62 is flat, when the strip-shaped electrode 48 is connected to the heating unit 40 arranged on the outer surface 62b of the flat portion 62 as shown in FIG. Bending can be suppressed. Moreover, as shown in FIGS. 4B and 5B, the thickness of the flat portion 62 is uniform.
  • the chamber 50 has two flat portions 62 in the circumferential direction of the chamber 50, and the pair of flat portions 62 are parallel to each other. At least a portion of the distance between the inner surfaces 62 a of the pair of flat portions 62 is preferably smaller than the width of the portion of the consumable 110 inserted into the chamber 50 that is positioned between the flat portions 62 .
  • the inner surface 66a of the curved portion 66 can have a generally arcuate cross-section in a plane orthogonal to the longitudinal direction (Z-axis direction) of the chamber 50.
  • the curved portion 66 is arranged so as to be adjacent to the flat portion 62 in the circumferential direction. In other words, the curved portion 66 is configured to connect respective ends of the pair of flat portions 62 .
  • the chamber 50 may have a hole 56a in its bottom 56 through which the bottom member 36 shown in FIG. 3 is positioned inside the chamber 50 .
  • the bottom member 36 may be secured within the bottom portion 56 of the chamber 50 by adhesive or the like.
  • a bottom member 36 provided on the bottom portion 56 may support a portion of the consumable 110 inserted into the chamber 50 such that at least a portion of the end surface of the consumable 110 is exposed.
  • the chamber 50 preferably has a tubular portion 54 between the opening 52 and the side wall portion 60. As shown in FIGS. A gap may be formed between the tubular portion 54 and the consumable 110 with the consumable 110 positioned at the desired location in the chamber 50 .
  • the chamber 50 preferably has a first guide portion 58 having a tapered surface 58a connecting the inner surface of the cylindrical portion 54 and the inner surface 62a of the flat portion 62. As shown in FIGS.
  • the heating unit 40 has a heating element 42 (corresponding to an example of a heating section).
  • Heating element 42 may be, for example, a heating track.
  • Heating element 42 is preferably provided on the outer surface of chamber 50 .
  • the location of the heating element 42 is limited so that the first roughened portion 70 described below and the heating element 42 do not overlap. obtain.
  • heating element 42 may be positioned anywhere on the outer surface of chamber 50 . Also, since the heating element 42 is not in direct contact with the consumable 110 , contamination of the heating element 42 by smokables 111 is reduced.
  • the heating element 42 is preferably arranged to heat the flat portion 62 without contacting the curved portion 66 of the chamber 50 .
  • the heating elements 42 are preferably located only on the outer surface of the flat portion 62 .
  • the heating element 42 may have a portion that heats the curved portion 66 of the chamber 50 and a portion that heats the flat portion 62, each having a different heating capacity.
  • heating element 42 may be configured to heat flat portion 62 to a higher temperature than curved portion 66 .
  • the heating element 42 may also be wrapped around the circumference of the chamber 50 with approximately the same heating capacity all around the circumference of the chamber 50 .
  • the heating unit 40 preferably has an electrically insulating member 44 covering at least one side of the heating element 42, as shown in FIG. In this embodiment, the electrical insulation member 44 is arranged to cover both sides of the heating element 42 .
  • the heating element 42 is preferably not provided at the distal end 59 of the chamber 50 .
  • the tip of the smokable article 111 housed in the chamber 50 is less likely to be heated, so that the aerosol generated from the tip of the consumable item 110 and leaking to the outside of the consumable item 110 can be suppressed.
  • the front end portion 59 of the chamber 50 may be, for example, a range of 30% of the total longitudinal length of the chamber 50 from the bottom portion 56 of the chamber 50 .
  • the distal end 59 of the chamber 50 may range at least 10 mm from the bottom 56 of the chamber 50 in the longitudinal direction of the chamber 50, preferably within 20 mm from the bottom 56 of the chamber 50 in the longitudinal direction of the chamber 50. .
  • the chamber 50 preferably has a first roughened portion 70 with improved surface roughness on the inner surface 62a of the flat portion 62.
  • This first roughened portion 70 is preferably provided at the distal end portion 59 of the chamber 50 .
  • the heating element 42 is not provided at the tip 59 of the chamber 50, so the first roughened portion 70 corresponds to the outer surface of the chamber 50 where the heating element 42 is not provided. provided on the inner surface 62a.
  • smokable object 111 When smokable object 111 is heated by heating element 42 to generate an aerosol or the like, smokable object 111 contracts.
  • the heating element 42 since the heating element 42 is not provided at the tip 59 of the chamber 50, the tip of the consumable 110 is less likely to heat and shrink than the other portions. Therefore, in the present embodiment, since the first roughened portion 70 can be brought into contact with the tip portion of the consumable material 110 that is difficult to shrink, the contact between the consumable material 110 and the first roughened portion 70 can be maintained. It can be done easily.
  • the first roughened portion 70 is provided only at the tip portion 59 . Even if the first roughened portion 70 is provided on the entire inner surface of the chamber 50 in the longitudinal direction, when the smokable object 111 shrinks due to heating, the portion of the first roughened portion 70 facing the smokable object 111 is , does not come into contact with the smokable article 111, so it is difficult to contribute to the improvement of the frictional force. Therefore, even if the first roughened portion 70 is provided only at the tip portion 59 , the consumption of the chamber 50 is reduced compared to the case where the first roughened portion 70 is provided over the entire inner surface of the chamber 50 in the longitudinal direction.
  • the holding power of material 110 is substantially the same. Therefore, by providing the first roughened portion 70 only at the tip portion 59, the machining of the inner surface of the chamber 50 can be minimized. As a result, an increase in heat capacity of the chamber 50 and an increase in processing cost can be suppressed.
  • the first roughened portion 70 is formed by electroplating a metal film on the inner surface 62a of the flat portion 62 of the chamber 50 using a plating solution containing particles such as ceramics and metals. It can be fixed and formed.
  • the first roughened portion 70 may be formed by thermally spraying a material containing ceramic or metal on the inner surface 62a, or a film having ceramic or metal particles fixed thereto may be formed on the inner surface 62a. It may be formed by pasting on. That is, the first roughened portion 70 is a coating containing metal or ceramic particles formed by plating, a coating containing metal or ceramic particles formed by thermal spraying, or a coating containing particles containing ceramic or metal. It can contain a film.
  • the material of the particles forming the first roughened portion 70 preferably contains ceramic.
  • the materials of the particles constituting the first roughened portion 70 are alumina, magnesium oxide, zinc oxide, graphite, diamond, boron nitride, cubic boron nitride, silicon carbide, silica, aluminum, and aluminum nitride. It is preferable to include at least one selected from the group consisting of The particles may be particles coated with DLC (diamond-like carbon).
  • the thermal conductivity of the particles forming the first roughened portion 70 is preferably as small as possible in order to prevent heat from leaking to the outside. Specifically, the thermal conductivity of the particles forming the first roughened portion 70 is preferably 100 (W/(mK)) or less.
  • the material of the particles forming the first roughened portion 70 is not hydrolyzable (except for aluminum nitride).
  • the particle diameter of the particles forming the first roughened portion 70 is preferably 10 ⁇ m or more and 60 ⁇ m or less. If the particle size is less than 10 ⁇ m, there is a possibility that the holding power of the consumable material 110 cannot be sufficiently secured. If the particle diameter exceeds 60 ⁇ m, the particles tend to fall off, and if a thick plated layer that prevents the particles from falling off is provided, the heat capacity of the chamber 50 becomes too large, and the heating efficiency may deteriorate. be.
  • the first roughened portion 70 is preferably not provided on the inner surface 66 a of the curved portion 66 . That is, the first roughened portion 70 is preferably provided only on the inner surface 62 a of the flat portion 62 of the chamber 50 . As a result, since the first roughened portion 70 is not provided on the inner surface 66a of the chamber 50 that does not come into contact with the consumable material 110, the processing of the inner surface of the chamber 50 can be minimized. As a result, an increase in heat capacity of the chamber 50 and an increase in processing cost can be suppressed.
  • the first roughened portion 70 has a larger surface roughness than other portions of the chamber 50 .
  • the first roughened portion 70 has a larger surface roughness than the outer surfaces 62 b and 66 b of the chamber 50 .
  • the surface roughness of the first roughened portion 70 is preferably 0.5 ⁇ m or more and 15 ⁇ m or less, and more preferably 2.0 ⁇ m or more and 10 ⁇ m or less. As a result, while the holding force of the consumable product 110 by the chamber 50 is improved, it is possible to suppress tearing of the first wrapping paper 112 or the second wrapping paper 113 of the consumable product 110 . If the surface roughness of the first roughened portion 70 is less than 0.5 ⁇ m, there is a possibility that the holding force of the consumable material 110 by the chamber 50 cannot be sufficiently increased.
  • surface roughness of the first roughened portion 70 is more than 15 ⁇ m, the frictional force between the consumable material 110 and the chamber 50 increases excessively, and the first wrapping paper 112 or the second wrapping paper of the consumable material 110 113 may break.
  • surface roughness means arithmetic mean roughness (Ra) (JIS b 0601:2001 ISO4287-1997 compliant).
  • the thickness t1 (see FIG. 4B) of the first roughened portion 70 is preferably 0.01 mm or more and 0.03 mm or less. As a result, it is possible to improve the holding force of the consumable material 110 by the chamber 50 while suppressing deterioration in heating efficiency due to an increase in the heat capacity of the chamber 50 . If the thickness t1 of the first roughened portion 70 is less than 0.01 mm, particles may easily fall off, or the holding force of the consumable material 110 by the chamber 50 may not be sufficiently increased. Moreover, if the thickness t1 of the first roughened portion 70 is more than 0.03 mm, the heat capacity of the chamber 50 may become too large, and the heating efficiency may deteriorate. Note that the thickness t1 of the first roughened portion 70 may be the thickness of the plating layer that fixes the particles. In this case, the thickness t1 of the first roughened portion 70 is preferably larger than the particle diameter of the particles.
  • the thickness of the flat portion 62 is preferably 0.05 mm or more and 0.3 mm or less.
  • the ratio of the thickness of the first roughened portion 70 to the thickness of the flat portion 62 is preferably 0.03 or more and 0.6 or less.
  • the inner surface of the chamber 50 is provided with a convex portion 72 .
  • This protrusion 72 is configured to contact the consumable 110 contained in the chamber 50 . Since the consumable item 110 can be pressed and gripped by the convex portion 72 , the consumable item 110 can be made more difficult to come off from the chamber 50 .
  • the convex portion 72 is preferably provided on the inner surface 66 a of the curved portion 66 .
  • the convex portion 72 is provided on the inner surface 62 a of the flat portion 62 , when the consumable material 110 is pressed and deformed by the convex portion 72 , the contact area between the consumable material 110 and the inner surface 62 a of the flat portion 62 decreases, resulting in the first There is a risk that the effect of improving the holding power of the consumable material 110 by the roughened portion 70 will be reduced.
  • the heating element 42 is provided on the outer surface 66b of the flat portion 62, the contact area between the consumable material 110 and the inner surface 62a (pressing surface) of the flat portion 62 is reduced. There is also a risk that the heat transfer efficiency to the According to this embodiment, it is possible to make it more difficult for the consumable material 110 to come out of the chamber 50 by means of the projections 72 without reducing the effect of improving the holding power of the consumable material 110 by the first roughened portion 70 . Further, when the heating element 42 is provided on the outer surface 66b of the flat portion 62, it is possible to suppress the decrease in the efficiency of heat transfer to the consumable material 110 via the inner surface 62a.
  • the surface of the convex portion 72 has a second roughened portion 72a with improved surface roughness.
  • the frictional force between the consumable material 110 and the convex portion 72 is improved, and the consumable material 110 can be made more difficult to come off from the chamber 50 .
  • smokable object 111 contracts when smokable object 111 is heated by heating element 42 to generate an aerosol or the like.
  • the protrusions 72 protrude more inwardly of the chamber 50 than the rest of the chamber 50 , they maintain contact with the consumable 110 more than other portions of the chamber 50 as the smokables 111 contract.
  • the second roughened portion 72a is provided in the portion where the contact with the consumable item 110 is likely to be maintained, even if the smokable article 111 shrinks, the second roughened portion 72a The effect of improving the frictional force between the consumable material 110 and the convex portion 72 can be easily maintained.
  • the formation process of the second roughened portion 72a, the material forming the second roughened portion 72a, the surface roughness of the second roughened portion 72a, and the thickness of the second roughened portion 72a It can be similar to the roughened portion 70 .
  • protrusion 72 is positioned to contact smokable article 111 when consumable 110 is placed in the desired position within chamber 50 , but protrusion 72 extends along the length of chamber 50 . It can be provided at any position in the direction. Specifically, for example, the convex portion 72 may be provided at the distal end portion 59 of the chamber. In this case, since the convex portion 72 can be brought into contact with the tip portion of the consumable material 110 that is difficult to shrink, the contact between the consumable material 110 and the convex portion 72 can be easily maintained. Also, a plurality of protrusions 72 may be provided along the longitudinal direction or the circumferential direction of the chamber 50 . As shown in FIGS. 5A and 5B, in this embodiment, two protrusions 72 are spaced apart in the circumferential direction of the chamber 50 so as to face each other. The two protrusions 72 may be displaced from each other in the longitudinal direction.
  • FIG. 7 is a cross-sectional view taken perpendicular to the axial direction of the chamber 50 shown in FIGS.
  • FIG. 7 shows an example in which the heating element 42 is provided only on the flat portion 62 and the convex portion 72 and the first roughened portion 70 are omitted.
  • an air flow path may be formed between the consumable 110 and the chamber 50 .
  • the consumable 110 can be pressed into contact with the flat portion 62 of the chamber 50 .
  • a gap 67 is formed between the consumable material 110 and the curved portion 66 .
  • Gap 67 may communicate with opening 52 of chamber 50 and an end face of consumable 110 positioned within chamber 50 . This allows the air that has flowed in from the opening 52 of the chamber 50 to pass through the gap 67 and flow into the consumable 110 . In other words, an air flow path (air gap 67 ) is formed between the consumable material 110 and the curved portion 66 .
  • the present invention is not limited to the above embodiments, and various modifications can be made within the scope of the technical ideas described in the claims, specification and drawings. is possible. Any shape or material that is not directly described in the specification and drawings is within the scope of the technical concept of the present invention as long as it produces the action and effect of the present invention.
  • the flavor inhaler 100 of the present embodiment has a so-called counter-flow air flow path in which the air that has flowed in from the opening 52 of the chamber 50 is supplied to the end surface of the consumable material 110.
  • the chamber is not limited to this. It may have a so-called bottom flow type air flow path in which air is supplied into the chamber 50 from the bottom 56 of the chamber 50 .
  • the heating element 42 is not limited to a resistance heating type, and may be an induction heating type. In that case, the heating element 42 can heat the chamber 50 by induction heating. Further, when the consumable item 110 has a susceptor, the susceptor of the consumable item 110 can be heated by induction heating by employing an induction coil as the heating element 42 .

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Abstract

L'invention concerne une unité d'atomisation comprenant une chambre destinée à loger une matière consommable, ainsi qu'une pièce chauffante destinée à chauffer un produit à fumer inclus dans la matière consommable. La chambre possède une surface de pression conçue de façon à soit entrer en contact avec la matière consommable, soit la presser lorsque la matière consommable est positionnée à un emplacement prescrit à l'intérieur de la chambre. La chambre possède une première partie rugosifiée qui améliore la rugosité de surface de la surface de pression. La première partie rugosifiée est prévue sur une extrémité de la chambre.
PCT/JP2021/046044 2021-12-14 2021-12-14 Unité d'atomisation et inhalateur d'arôme Ceased WO2023112145A1 (fr)

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PCT/JP2021/046044 WO2023112145A1 (fr) 2021-12-14 2021-12-14 Unité d'atomisation et inhalateur d'arôme

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PCT/JP2021/046044 WO2023112145A1 (fr) 2021-12-14 2021-12-14 Unité d'atomisation et inhalateur d'arôme

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WO2023112145A1 true WO2023112145A1 (fr) 2023-06-22

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2025017775A1 (fr) * 2023-07-14 2025-01-23 日本たばこ産業株式会社 Système de génération d'aérosol
WO2025187930A1 (fr) * 2024-03-04 2025-09-12 주식회사 케이티앤지 Appareil de génération d'aérosol comprenant un embout buccal et appareil de fabrication d'embout buccal

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2014533513A (ja) * 2011-11-21 2014-12-15 フィリップ・モーリス・プロダクツ・ソシエテ・アノニム エアロゾル発生装置用の引出器
WO2019208536A1 (fr) * 2018-04-26 2019-10-31 日本たばこ産業株式会社 Ensemble dispositif chauffant et récipient
WO2021171459A1 (fr) * 2020-02-27 2021-09-02 日本たばこ産業株式会社 Système à fumer, dispositif et consommable

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2014533513A (ja) * 2011-11-21 2014-12-15 フィリップ・モーリス・プロダクツ・ソシエテ・アノニム エアロゾル発生装置用の引出器
WO2019208536A1 (fr) * 2018-04-26 2019-10-31 日本たばこ産業株式会社 Ensemble dispositif chauffant et récipient
WO2021171459A1 (fr) * 2020-02-27 2021-09-02 日本たばこ産業株式会社 Système à fumer, dispositif et consommable

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2025017775A1 (fr) * 2023-07-14 2025-01-23 日本たばこ産業株式会社 Système de génération d'aérosol
WO2025187930A1 (fr) * 2024-03-04 2025-09-12 주식회사 케이티앤지 Appareil de génération d'aérosol comprenant un embout buccal et appareil de fabrication d'embout buccal

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