Flavour stick, non-combustion heat-type flavour suction product, and method for manufacturing flavour stick

Abstract

A flavor stick of the present application includes a flavor rod inserted into a heating chamber of a flavor suction device and heated by an induction coil provided at a side peripheral portion of the heating chamber, and a mouthpiece portion connected to a rear end side of the flavor rod, the flavor rod having a plurality of thin rod coils, and an outer side wrapping paper wrapping and winding the plurality of thin rod coils, the plurality of thin rod coils each having an inner side wrapping paper, a flavor source containing an aerosol generating base material and provided at an inner side of the inner side wrapping paper, and a susceptor provided at the inner side of the inner side wrapping paper, the susceptor being heated by induction heating when the induction coil is operated to heat the flavor source.

Description

Technical Field

[0001] This invention relates to fragrance sticks, non-combustion heated fragrance inhalation products, and a method for manufacturing fragrance sticks. Background Technology

[0002] Conventionally, flavor sticks are known for use in non-combustible flavored inhalers that inhale flavor from a flavoring source as the flavor is burned. As one method, a flavor stick is known to have a flavoring rod and a mouthpiece disposed at the rear of the flavoring rod, the flavoring rod being formed by filling the inside of a roll of paper with a filling material containing a flavoring source (e.g., tobacco material) and an aerosol-generating substrate (glycerin, propylene glycol, etc.).

[0003] This flavor stick can be used with a flavor inhaler during inhalation. Typically, the flavor stick is inserted into the heating chamber of the flavor inhaler, where the flavor source is heated by the heater of the inhaler without combustion. This non-combustion heating releases an aerosol containing flavor components from the flavor source, which is then inhaled by the user through the mouthpiece.

[0004] As a heating method for fragrance inhalation devices, there is known induction heating (IH) method, which uses an induction coil that generates a high-frequency alternating magnetic field to heat a heating element called a susceptor placed inside the fragrance rod inserted into the heating chamber (for example, see Patent Document 1).

[0005] Existing technical documents

[0006] Patent documents

[0007] Patent Document 1: Japanese Patent Publication No. 2019-528702

[0008] Patent Document 2: Japanese Patent Application Publication No. 7-184625

[0009] Patent Document 3: Japanese Patent No. 5220762 Summary of the Invention

[0010] The problem that the invention aims to solve

[0011] Traditional fragrance sticks are formed by simply rolling the fragrance source around a piece of toilet paper. As a result, the receptors and fragrance source located on the inside of the toilet paper can easily fall off from the front end of the fragrance stick.

[0012] The present invention was made in view of the above-mentioned actual situation, and its object is to provide a technology for preventing the fragrance source, receptor, etc., disposed on the inside of the roll of paper from falling off the front end of the fragrance stick in a fragrance stick that is drawn using a fragrance suction device based on induction heating.

[0013] Methods for solving problems

[0014] The fragrance stick of the present invention, which solves the above problems, comprises:

[0015] A fragrance rod inserted into the heating chamber of a fragrance extraction device and heated by an induction coil disposed on the side periphery of the heating chamber; and

[0016] The mouthpiece is connected to the rear end of the aforementioned flavoring rod.

[0017] The aforementioned fragrance rod has a plurality of thin coils and an outer roll of paper that binds and rolls the plurality of thin coils. Each of the plurality of thin coils has: an inner roll of paper, a fragrance source disposed on the inner side of the inner roll of paper and containing an aerosol generating substrate, and a sensor disposed on the inner side of the inner roll of paper. The sensor heats the fragrance source by inductive heating when the aforementioned induction coil is in operation.

[0018] Here, the inner roll of paper in the plurality of thin rolls can be adhered to the outer roll of paper.

[0019] In addition, the leakage suppression part connected to the rear end of the flavor rod can be disposed at the front end of the mouthpiece part. The leakage suppression part extends axially and is provided with an aerosol flow path for the aerosol generated in the plurality of thin rods to flow through, and has a blocking part for blocking the rear end of the gap formed between the outer roll paper and the plurality of thin rods.

[0020] In addition, the aforementioned leakage suppression part may include a peripheral blocking part, which is disposed opposite to the peripheral gap part in the aforementioned gap part that is formed near the peripheral side of the cross-section of the aforementioned fragrance rod.

[0021] In addition, the aforementioned leakage suppression section may include a central side blocking section, which is disposed opposite to the central side gap section formed on the central side of the cross-section of the aforementioned fragrance rod in the aforementioned gap section.

[0022] In addition, the aforementioned aerosol flow path can be configured opposite to the rear end of the aforementioned plurality of fine coils.

[0023] In addition, the rear ends of each of the aforementioned multiple thin coils can be configured to span the aforementioned blocking section and the aforementioned aerosol flow path. The region in the aforementioned blocking section opposite to the rear ends of the aforementioned thin coils functions as an anti-deviation part for the aforementioned thin coils when the aforementioned fragrance rod is inserted into the aforementioned heating chamber.

[0024] In addition, the present invention can be specifically defined as a non-combustible fragrance inhalation product, which includes any of the above-mentioned fragrance sticks and a fragrance inhalation device for inhaling the fragrance sticks, the fragrance inhalation device having a heating chamber for inserting the fragrance rod of the fragrance sticks and an induction coil disposed on the side periphery of the heating chamber.

[0025] Furthermore, the present invention can be specifically defined as a method for manufacturing a fragrance stick, the fragrance stick comprising: a fragrance rod inserted into the heating chamber of a fragrance inhalation device and having a sensor that heats up when an induction coil disposed on the side periphery of the heating chamber is activated; and a mouthpiece portion connected to the rear end of the fragrance rod. That is, the method for manufacturing the fragrance stick of the present invention comprises: a step of bundling multiple thin rods, which are formed by rolling a fragrance source containing an aerosol generating substrate and the aforementioned sensor, using inner wrapping paper, and then rolling them together using outer wrapping paper to form a fragrance rod; and a connecting step of arranging the mouthpiece portion in series with the fragrance rod and rolling them together using splicing paper.

[0026] In addition, the process of forming the above-mentioned fragrance rod may include: a long strip thin roll forming process, in which a fragrance source containing an aerosol generating substrate and the above-mentioned receptor are continuously rolled in the length direction using a long strip of thin roll wrapping paper, thereby forming multiple long strip thin rolls side by side in the transport direction of the winding machine; a long fragrance rod forming process, in which the above-mentioned multiple long strip thin rolls are combined and rolled together using the outer roll wrapping paper of the long strip, thereby forming a long fragrance rod; and a cutting process, in which the above-mentioned long fragrance rod is cut into a given length, thereby forming the above-mentioned fragrance rod.

[0027] Furthermore, the process of forming the aforementioned flavoring rod may include: a strip flavoring rod forming process, in which double-length first components having twice the length of the first component constituting part of the mouthpiece are supplied at given intervals to a strip of outer roll paper conveyed in the transport path of a winding machine, such that a plurality of double-length thin rolls having twice the length of the aforementioned thin rolls are bundled together and supplied to the rod holding space formed between the double-length first components, and then the double-length first components and the double-length thin rolls arranged in series therewith are bound together using the strip of outer roll paper. The coil is rolled into a single unit to form a long flavored coil; and in the cutting process, the long flavored coil is cut at the center of the length direction of the double-length first component and at the center of the length direction of the double-length thin coil, respectively, to form an intermediate assembly in which the first component is connected to the flavored coil. In the connecting process, with one or more second components constituting part of the mouthpiece and the first component in the intermediate assembly arranged in series, the intermediate assembly and the one or more second components are rolled into a single unit using splicing paper.

[0028] It should be noted that the methods used to solve the problems of this invention can be combined in various ways as much as possible.

[0029] The effects of the invention

[0030] According to the present invention, a technique can be provided for preventing the fragrance source, receptors, etc., disposed on the inside of the roll of paper from falling off the front end of the fragrance stick in a fragrance stick that is drawn using a fragrance extraction device based on induction heating. Attached Figure Description

[0031] Figure 1 This is a schematic diagram of the structure of a fragrance extraction device for non-combustion heating of the fragrance stick in Embodiment 1.

[0032] Figure 2 This is a schematic diagram showing the internal structure of the fragrance stick of Embodiment 1.

[0033] Figure 3 yes Figure 2 A-direction view.

[0034] Figure 4 This is a perspective view of the leakage suppression part in Embodiment 1.

[0035] Figure 5 This is a diagram illustrating the manufacturing steps of the fragrance stick according to Embodiment 1.

[0036] Figure 6 This is a diagram illustrating the winding machine for manufacturing the fragrance rod according to Embodiment 1.

[0037] Figure 7 This diagram illustrates the process of manufacturing the fragrance stick according to Embodiment 1.

[0038] Figure 8 This diagram illustrates the process of manufacturing the fragrance stick according to Embodiment 1.

[0039] Figure 9 This diagram illustrates the process of manufacturing the fragrance stick according to Embodiment 1.

[0040] Figure 10 This diagram illustrates the process of forming the long fragrance stick in the second manufacturing method.

[0041] Figure 11 It is a diagram illustrating the shape of a conveyor belt in a cross-sectional direction orthogonal to the transport direction.

[0042] Figure 12 This diagram illustrates the supply of leakage suppression components and the supply of various components to each fine winding rod supply roller at positions 1 to 4.

[0043] Figure 13 This diagram illustrates the process of forming the long fragrance stick in the second manufacturing method.

[0044] Figure 14 This diagram shows the intermediate assembly formed during the process of forming the fragrance stick, and the separately prepared cooling section, filter section, and splicing paper.

[0045] Figure 15 This is a diagram showing a flavoring stick manufactured by the second manufacturing method.

[0046] Figure 16 This is a diagram illustrating a modified example of the leakage suppression section.

[0047] Figure 17 This is a diagram showing a cross-section of the fragrance stick according to Embodiment 2.

[0048] Figure 18 This is a diagram illustrating the cross-section of the leakage suppression section in Embodiment 2.

[0049] Figure 19 The figure shows other variations of the arrangement of the fragrance source and receptors in the thin scroll.

[0050] Figure 20 The figure shows other variations of the arrangement of the fragrance source and receptors in the thin scroll.

[0051] Figure 21 This is a diagram illustrating the general process of hardness measurement for thin coil rods.

[0052] Symbol Explanation

[0053] 1. Fragrance stick

[0054] 2···Fragrance stick

[0055] 3··· Cigarette mouthpiece

[0056] 21···Slim Roller

[0057] 22···Outer roll paper

[0058] 23···Inner roll paper

[0059] 24···Fragrance Source Detailed Implementation

[0060] Here, embodiments of the fragrance stick and non-combustible fragrance inhalation product of the present invention will be described based on the accompanying drawings. It should be noted that, unless otherwise specified, the dimensions, materials, shapes, and relative arrangements of the constituent elements described in this embodiment do not imply that the scope of the invention is limited thereto.

[0061] <Implementation Method 1>

[0062] Figure 1 This is a schematic diagram of the structure of the fragrance extraction device 30 used for non-combustion heating of the fragrance stick in Embodiment 1. Figure 2 This diagram schematically illustrates the internal structure of the fragrance stick 1 according to Embodiment 1. The fragrance inhalation device 30 is an inhalation device used when inhaling the fragrance stick 1. The fragrance stick 1 and the fragrance inhalation device 30 constitute a non-combustible fragrance inhalation product.

[0063] like Figure 1 As shown, the fragrance extraction device 30 includes a heating chamber 31, an induction coil 32 for induction heating, a power supply unit 33 that supplies operating power to the induction coil 32, and a control unit 34 that controls the power supplied to the induction coil 32. The heating chamber 31 is a hollow portion that can accommodate the fragrance rod 2 of the fragrance stick 1, allowing the fragrance rod 2 to be freely inserted and removed through the insertion port 31A. The heating chamber 31 is a generally cylindrical hollow portion defined by the chamber side peripheral wall 31B (side peripheral portion) and the chamber bottom wall 31C, which constitute part of the frame of the fragrance extraction device 30. Furthermore, one end of the airflow path 36 communicates with the chamber bottom wall 31C. The other end of the airflow path 36 communicates with the air inlet 37 formed in the frame of the fragrance extraction device 30.

[0064] An induction coil 32 is disposed on the side wall 31B of the heating chamber 31 and is an induction heating (IH) heater used to heat the sensor (heating element) disposed within the fragrance rod 2. The induction coil 32 is, for example, a spirally wound cylindrical coil that generates a high-frequency alternating magnetic field within the heating chamber 31 by being supplied with operating power by the power supply unit 33. The sensor of the fragrance rod 2 is a heating element with magnetic and electrical conductivity. When the sensor is exposed to the high-frequency alternating magnetic field generated by the induction coil 32 within the heating chamber 31, eddy currents are induced within the sensor through electromagnetic induction. As a result, the sensor is inductively heated by generating Joule heating. It should be noted that the induction coil 32 is only required to generate a high-frequency alternating magnetic field capable of inductively heating the sensor of the fragrance rod 2 inserted into the heating chamber 31; the method is not particularly limited.

[0065] The fragrance stick 1 includes: a fragrance rod 2 that is inserted into the heating chamber 31 of the fragrance inhalation device 30 and heated by the external heater 32, and a mouthpiece 3 connected to the rear end of the fragrance rod 2. In this embodiment, the fragrance stick 1 has, for example, a cylindrical rod shape extending in a rod-like manner in one direction. Figure 2 The symbol CL in the figure represents the central axis of the flavoring rod 1. It should be noted that the flavoring rod 2 and the mouthpiece 3 are coaxially arranged; therefore, the central axis CL can also be considered as the central axis of the flavoring rod 2 and the mouthpiece 3.

[0066] The cylindrical fragrance rod 2 and the mouthpiece 3 are coaxially arranged and connected as one unit by rolling them together coaxially using a splicing paper 8. Symbol 1a represents the suction end 1a formed on the rear end side of the fragrance rod 1, and symbol 1b represents the front end of the fragrance rod 1. The fragrance rod 1 is inserted into the heating chamber 31 of the fragrance inhalation device 30 from the front end 1b side.

[0067] The fragrance stick 2 has a plurality of thin coils 21 and an outer roll of paper 22 that binds and rolls the plurality of thin coils 21. Figure 3 for Figure 2 View A is a front view of the fragrance stick 1 (fragrance rod 2) viewed from the front end 1b side. Each thin rod 21 constituting the fragrance rod 2 includes an inner roll paper 23, and a fragrance source 24 containing an aerosol generating substrate and a receptor 20 disposed inside the inner roll paper 23. Each thin rod 21 has a central axis extending parallel to the central axis CL of the fragrance stick 1 and extends along the entire length of the fragrance rod 2. Figure 3 In the example shown, the fragrance stick 2 is illustrated with 3 thin coils 21. The number of thin coils 21 is only 2 or more and there is no particular limitation.

[0068] exist Figure 3 In the example shown, the sensor 20 is constructed as a flat metal plate with a rectangular cross-section, extending from the front end of the thin coil 21 along the central axis CL to the rear end. Examples of materials for the sensor 20 include aluminum, iron, iron alloys, stainless steel, nickel, nickel alloys, or combinations of two or more of these. Besides metals, carbon can also be used for the sensor 20; however, from the viewpoint of enabling good electromagnetic induction heating, a metal sensor 20 is preferred. The sensor 20 can be heated by a permeability of, for example, 1 × 10⁻⁶. -6 Above and less than 1×10 -2 The preferred value is 1.2 × 10⁻⁶. -6 Above and less than 1×10 -3 It is formed from materials.

[0069] In each fine roll 21, a fragrance source 24 containing an aerosol generating substrate is filled inside the inner roll paper 23, and a receptor 20 is arranged in a form embedded in the fragrance source 24.

[0070] exist Figure 3 In the example shown, the thin coil 21 has an elliptical cross-section, with its minor axis arranged radially along the fragrance rod 2. More specifically, the minor axis of each thin coil 21 extends radially about the central axis CL of the fragrance rod 2. Figure 3The symbol BP indicates the adhesive portion where the outer surface 23A of the inner roll paper 23 of each thin roll 21 is bonded to the inner surface 22A of the outer roll paper 22. The outer surface 23A of the inner roll paper 23 is the side opposite to the surface (inner surface) of the roll fragrance source 24. Furthermore, in Figure 3 In the example shown, the receptor 20 is positioned at the major axis of the thin coil 21, which has an elliptical shape. The position, size, and shape of the receptor 20 are not particularly limited. Furthermore, the shape of each thin coil 21 can be any shape other than elliptical.

[0071] The tobacco filling material used for flavor source 24 can be composed of shredded tobacco. The material of the shredded tobacco in the tobacco filling material is not particularly limited; known materials such as flakes and stems can be used. Alternatively, dried tobacco leaves can be pulverized to form tobacco pulverized material, homogenized, and then processed into sheets. The resulting sheets (hereinafter also referred to as "homogenized sheets") are then shredded. There are several existing methods for manufacturing homogenized sheets, i.e., methods for pulverizing tobacco leaves and processing them into homogenized sheets. The first method is to produce sheet using papermaking processes (sheet making method). The second method is to mix pulverized tobacco leaves with a suitable solvent such as water and homogenize the mixture, then thinly cast the resulting mixture onto a metal sheet or metal strip, and finally dry it to produce a cast sheet (slurry method). The third method is to mix pulverized tobacco leaves with a suitable solvent such as water and homogenize the mixture, then extrude the resulting mixture into sheets, thereby producing a calendered sheet (calendering method).

[0072] Alternatively, a material made by cutting the homogenized sheet into thread shape can be used as the tobacco filler. This tobacco thread can have a length similar to the axial length of the thin roll 21, and is filled into the inner side of the inner roll paper 23 with its length direction aligned along the axial direction of the thin roll 21. Of course, it is not necessary for all the tobacco thread contained in one thin roll 21 to be arranged along the axial direction of the thin roll 21; it is sufficient to arrange a portion of the tobacco thread (e.g., more than 50% of the total) along the axial direction of the thin roll 21. Alternatively, a material made by folding the homogenized sheet into a pleated shape can also be used as the tobacco filler.

[0073] Various types of tobacco can be used for tobacco fillings. Examples include yellow tobacco, burley tobacco, oriental tobacco, local varieties (native varieties), other Nicotiana tabacum varieties, Nicotiana rustica varieties, and mixtures thereof.

[0074] In addition, tobacco fillings may contain flavorings. There are no particular limitations on the types of flavorings contained in tobacco fillings. Examples of flavorings include: acetylanisole, acetophenone, acetylpyrazine, 2-acetylthiazole, alfalfa extract, pentanol, amyl butyrate, trans-anetinoside, star anise oil, apple juice, Peruvian balsam oil, beeswax absolute, benzaldehyde, benzoin resin, benzyl alcohol, benzyl benzoate, benzyl phenylacetate, benzyl propionate, 2,3-butanedione, 2-butanol, butyl butyrate, butyric acid, caramel, cardamom oil, carob absolute, β-carotene, carrot juice, L-carvone, β-caryophyllene, cinnamon bark oil, cedarwood oil, celery seed oil, chamomile oil, cinnamaldehyde, cinnamic acid, cinnamyl alcohol, cinnamyl cinnamate, citronellol oil, DL-citronellol, sage extract, cocoa, coffee... Coffee, Concha oil, Coriander oil, Cucurbitacin, Artemisia annua oil, δ-decanoic acid, γ-decanoic acid, Decanoic acid, Dill herb oil, 3,4-Dimethyl-1,2-cyclopentanedione, 4,5-Dimethyl-3-hydroxy-2,5-dihydrofuran-2-one, 3,7-Dimethyl-6-octenic acid, 2,3-Dimethylpyrazine, 2,5-Dimethylpyrazine, 2,6-Dimethylpyrazine, Ethyl 2-methylbutyrate, Ethyl acetate, Ethyl butyrate, Ethyl hexanoate, Ethyl isovalerate, Ethyl lactate, Ethyl laurate, Ethyl acetylpropionate, Ethyl maltol, Ethyl octanoate, Ethyl oleate, Ethyl palmitate Ethyl phenylacetate, ethyl propionate, ethyl stearate, ethyl valerate, ethyl vanillin, ethyl vanillin glucoside, 2-ethyl-3,(5 or 6)-dimethylpyrazine, 5-ethyl-3-hydroxy-4-methyl-2(5H)-furanone, 2-ethyl-3-methylpyrazine, eucalyptol, fenugreek oil, broom oil, gentian root extract, geraniol, geraniyl acetate, grape juice, guaiacol, guava extract, γ-heptanol, γ-caprolactone, hexanoic acid, cis-3-hexen-1-ol, hexyl acetate, hexanol, phenylhexyl acetate, honey, 4-hydroxy-3 -Pentenoic acid lactone, 4-hydroxy-4-(3-hydroxy-1-butenyl)-3,5,5-trimethyl-2-cyclohexen-1-one, 4-(p-hydroxyphenyl)-2-butanone, sodium 4-hydroxyundecanoate, immortelle absolute oil, β-ionone, isoamyl acetate, isoamyl butyrate, isoamyl phenylacetate, isobutyl acetate, isobutyl phenylacetate, jasmine absolute oil, kola tincture, limonene oil, terpene-free lemon oil, licorice extract, linalool, linalyl acetate, Angelica sinensis root oil, maltol, maple syrup, menthol, menthone, L-acetic acid Ester, p-methoxybenzaldehyde, methyl-2-pyrrolidone, methyl anthranilate, methyl phenylacetate, methyl salicylate, 4'-methylacetophenone, methylcyclopentenolone, 3-methylvaleric acid, mimosa absolute oil, molasses, myristic acid, nerol, nerolidol, γ-nonalactone, myristica oil, δ-octanolide, octanal, caprylic acid, nerolipid, orange oil, orange oil, orris root oil, palmitic acid, ω-pentadecanolactone, peppermint oil, Paraguayan bitter orange leaf oil, phenethyl alcohol, phenylethyl phenylacetate, phenylacetic acid, piperaldehyde, propenyl ethyl guaiacol, propyl acetate, 3-propylidene-1-isobenzofuranone, prune juice, pyruvic acid, grape extract, rose oil, rum, sage oil, sandalwood oil, spearmint oil, styrax absolute, senna Chrysanthemum oil, tea distillate, α-terpineol, terpineyl acetate, 5,6,7,8-tetrahydroquinoxaline, 1,5,5,9-tetramethyl-13-oxetane (8.3.0.0(4.9))tridecane, 2,3,5,6-tetramethylpyrazine, thyme oil, tomato extract, 2-tetranone, triethyl citrate, 4-(2,6,6-trimethyl-1-cyclohexenyl)2-buten-4-one, 2,6,6-trimethyl-2-cyclohexen-1,4-dione, 4-(2,6,6-trimethyl-1,3-cyclohexadienyl)2-buten-4-one, 2,3,5-trimethylpyrazine, γ-undecyl lactone, γ-valerol lactone, vanilla extract, vanillin, veratral, violet leaf essential oil, N-ethyl-p- Alkyl-3-carboxamide (WS-3), ethyl-2-(p-carboxamide) (WS-5) alkyl-3-carboxamide acetate, with menthol being particularly preferred. Furthermore, one of these flavorings may be used alone, or two or more may be used in combination. In addition, there are no particular limitations on the size of the tobacco shreds contained in the tobacco filling or the moisture content of the flavor source 24.

[0075] Furthermore, the aroma source 24 contained in each thin stem 21 may also be free of tobacco material. Examples of such an aroma source 24 include plant materials that do not contain tobacco components. That is, each thin stem 21 may contain one or more of the following: leaf mesophyll, leaf veins, stems, roots, flowers, seeds, and fruit pulp selected from plants that do not contain tobacco components. Herbal materials can be appropriately used as aroma sources as plant materials that do not contain tobacco components. Herbal ingredients that can be listed include: allspice, black pepper, Lycopus uniflorus, calamus root, catnip, cadupa, cayenne pepper, Inonotus obliquus, chervil, cinnamon, ginseng, Hypericumper foratum, green tea, black tea, black cohosh, chili pepper, chamomile, clove, cocoa, honey tea, echinacea, summer chrysanthemum, ginger, goldenseal, lavender, licorice, marjoram, milk thistle, peppermint, oolong tea, oregano, lip mint, peppermint, red clover, rooibos tea (red or green), rosehip, rosemary, sage, southern European tanshinone, savory, spearmint, centella asiatica, thyme, turmeric, valerian, holly, yellow dock, Paraguayan holly, yerba mate. Examples include santalinus, false purslane, ashwagandha, chili pepper, sorrel, and milk thistle (Silybum marianum).

[0076] Of course, the flavor source of the thin stick 21 may include a mixture of tobacco material and herbal material as described above.

[0077] The aerosol-generating substrate is a substance that generates an aerosol when volatile substances released during the evaporation of fragrances by heating with a heater in the fragrance extraction device 30 are cooled. The aerosol-generating substrate can be, for example, a liquid. There are no particular limitations on the type of aerosol-generating substrate; extracts from various natural sources and / or their constituent components can be selected depending on the application. Examples of aerosol-generating substrates include glycerol, propylene glycol, triacetin, 1,3-butanediol, and mixtures thereof.

[0078] Next, the mouthpiece part 3 will be described. The mouthpiece part 3 has a leakage suppression part 4, a cooling part 5, and a filter part 6 from the front end side. The leakage suppression part 4, the cooling part 5, and the filter part 6 in the mouthpiece part 3 are arranged coaxially and are wound together by a roll of paper 7. Alternatively, the flavor stick 2, the leakage suppression part 4, the cooling part 5, and the filter part 6 can be wound together by a splicing paper 8 without using the roll of paper 7.

[0079] Figure 4This is a perspective view of the leakage suppression section 4 according to Embodiment 1. The leakage suppression section 4 is located immediately following the rear end of the fragrance rod 2 and is configured to abut against the rear end of the fragrance rod 2. The symbol CL2 represents the central axis of the leakage suppression section 4. The leakage suppression section 4 is a perforated cylindrical body with multiple through holes formed along the central axis CL2 to serve as aerosol flow paths 41A to 41C. The cross-section of the aerosol flow paths 41A to 41C is, for example, the combined cross-sectional area of ​​each thin coil 21 in the fragrance rod 2, and the front ends of the aerosol flow paths 41A to 41C are arranged to face the rear ends of each thin coil 21. That is, each thin coil 21 and each aerosol flow path 41A to 41C are connected along the central axis CL of the fragrance rod 1. As a result, the aerosol generated by each thin coil 21 of the fragrance rod 2 can flow through each aerosol flow path 41A to 41C located in the rear section.

[0080] Here, sometimes a gap may form along the central axis CL2 between the outer roll of paper 22 in the fragrance rod 2 and the inner roll of paper 23 in each thin roll 21. Figure 3 In the example shown, a central gap 25 is formed on the central side of the cross-section surrounded by the three thin coils 21 in the fragrance rod 2. Figure 3 The example shows that the cross-section of the central side gap 25 is similar to a triangle. However, the shape and size of the central side gap 25 vary depending on the number, size, shape, and arrangement of the thin coils 21 included in the fragrance rod 2. In some cases, the central side gap 25 cannot be formed due to the arrangement of the thin coils 21.

[0081] In addition, Figure 3 In the example shown, an outer peripheral gap 26 is formed near the outer periphery of the cross-section of the fragrance stick 2. The outer peripheral gap 26 is a gap formed in the cross-section of the fragrance stick 2 on the inner side of the outer roll paper 22 and close to the outer peripheral region of the outer roll paper 22. Figure 3 In the example shown, the outer peripheral gap 26 is formed between the thin coiled rods 21 adjacent to the fragrance rod 2 in the circumferential direction, and at the point where the long axes of the thin coiled rods 21 adjacent to the fragrance rod 2 in the circumferential direction intersect each other. It should be noted that the shape and size of the outer peripheral gap 26 vary depending on the number, size, shape, and arrangement of the thin coiled rods 21 included in the fragrance rod 2, and sometimes the outer peripheral gap 26 cannot be formed due to the arrangement of the thin coiled rods 21.

[0082] The aforementioned central side gap 25 and peripheral side gap 26 extend from the front end 1b of the fragrance rod 2 along the central axis CL to the rear end.

[0083] When the flavor stick 1 is inhaled, air is introduced into the flavor stick 2 from the front end 1b side and distributed into each thin coil 21. At this time, if the air introduced from the front end 1b side of the flavor stick 2 flows through the central gap 25 and the outer peripheral gap 26, the air will flow into the mouthpiece 3 as leaked air and will not flow through the flavor source 24. Therefore, in this embodiment, in order to reduce or suppress air leakage through the outer peripheral gap 26 of the flavor stick 2, a leakage suppression part 4 is provided at the rear section of the flavor stick 2.

[0084] Figure 4 The symbol 42 shown is a sealing surface (sealing portion) formed at the front end of the leakage suppression part 4. The leakage suppression part 4 seals the rear ends of the central side gap 25 and the outer peripheral side gap 26 by arranging the sealing surface 42 (sealing portion) opposite to the central side gap 25 and the outer peripheral side gap 26 in the fragrance rod 2. Figure 4 In the illustrated configuration, the sealing surface 42 includes a central sealing portion 42A and an outer peripheral sealing portion 42B. The central sealing portion 42A seals the rear end of the central side gap 25 by being positioned opposite to the aforementioned central side gap 25. Similarly, the outer peripheral sealing portion 42B seals the outer peripheral gap 26 by being positioned opposite to the aforementioned outer peripheral gap 26. As a result, when the fragrance stick 1 is aspirated, leakage of air introduced into the fragrance stick 2 from the front end 1b side through the central side gap 25 and the outer peripheral gap 26 to the downstream side can be prevented. Thus, the air introduced from the front end 1b side when the fragrance stick 1 is aspirated can be efficiently distributed to the fragrance source 24 of each thin coil 21 for aerosol generation. Furthermore, the leakage suppression portion 4 also functions as a spacer separating the cooling portion 5 from the fragrance stick 2.

[0085] It should be noted that the leakage suppression part 4 can be formed of various materials. For example, the leakage suppression part 4 can be a hollow cellulose acetate tube. In other words, the leakage suppression part 4 can have a central hole formed through the center of the cross-section of a cylindrical cellulose acetate fiber bundle. The material of the leakage suppression part 4 is not particularly limited. The material constituting the leakage suppression part 4 does not need to be completely airtight; it is sufficient that the air resistance of the closed surface 42 of the leakage suppression part 4, when the internal heater 32 is inserted into the heater insertion hole 25, is higher than the air resistance of the fragrance source 24 of each fine coil 21. Since air flows through the area with relatively low air resistance, the leakage suppression part 4 can function effectively by adopting the above-described manner.

[0086] The cooling section 5 is located immediately following the leakage suppression section 4 and is disposed in contact with the rear end of the leakage suppression section 4. When the fragrance rod 1 is aspirated, the volatile substances released from the fragrance rod 2 (fragrance source 24) flow downstream along the cooling section 5. By cooling the volatile substances released from the fragrance rod 2 (fragrance source 24) using the cooling section 5, aerosol formation can be promoted. Figure 2 In the illustrated configuration, the cooling section 5 is formed from a hollow paper tube having vent holes 5A that allow external air to enter. However, the cooling section 5 may also lack vent holes 5A. Additionally, a cooling-promoting material such as polylactic acid sheets may be disposed within the paper tube forming the cooling section 5 to promote the cooling of volatile substances released from the flavor source 24. Furthermore, the cooling section 5 may contain an endothermic agent disposed in a manner that does not impede the flow of volatile substances or aerosols. For example, the cooling section 5 may include a filter material having multiple flow paths (through holes) formed along the length (axial direction) of the mouthpiece portion 3.

[0087] The filter section 6 is located at the rear end of the mouthpiece section 3, specifically on the side of the inlet end 1a. The filter section 6 can be located immediately following the rear section of the cooling section 5, and is configured to abut against the rear end of the cooling section 5. Figure 2 In the illustrated configuration, the filter tip 6 may, for example, include a filter material for capturing a given component contained in an aerosol. The type of filter material forming the filter tip 6 is not particularly limited. For example, the filter tip 6 may be a filter material formed from cellulose acetate fibers molded into a cylindrical shape. Alternatively, the filter tip 6 may be a central hole filter tip with a central hole formed along the axial direction of the cylindrical cellulose acetate fibers. Furthermore, the filter tip 6 may be a paper filter tip filled with cellulose fibers, or it may be a paper tube without filter media. Additionally, the filter tip 6 can be formed by selectively combining a solid filter material with filter media, a central hole filter tip, a paper filter tip, and a paper tube without filter media.

[0088] Next, the manufacturing method of the fragrance stick 1 according to this embodiment will be described. The manufacturing method of the fragrance stick 1 includes: a step of bundling multiple thin coils formed by rolling a fragrance source and a receptor containing an aerosol generating substrate with inner wrapping paper, and rolling them together with outer wrapping paper to form a fragrance stick; and a connecting step of arranging a mouthpiece portion in series with the fragrance stick and rolling them together with splicing paper. Here, refer to Figures 5-9The following describes the process of forming the fragrance rod, which includes: a long strip thin roll forming process, in which a fragrance source and a receptor containing an aerosol generating substrate are continuously rolled in the length direction using a long strip of thin roll wrapping paper, thereby forming multiple long strip thin rolls side by side in the transport direction of the winding machine; a long fragrance rod forming process, in which multiple long strip thin rolls are brought together and rolled into one piece using the outer wrapping paper of the long strip, thereby forming a long fragrance rod; and a cutting process, in which the long fragrance rod is cut into a given length, thereby forming a fragrance rod.

[0089] Figure 5 This is a diagram showing the manufacturing steps of the fragrance stick 1 according to Embodiment 1. Figure 6 This diagram illustrates a section in the winding machine used to manufacture the fragrance rod 2 according to Embodiment 1. Figures 7-9 This diagram illustrates the process of manufacturing the fragrance stick 2 according to Embodiment 1. Hereinafter, it will be explained as follows... Figure 3 The following description illustrates the manufacturing of a fragrance rod 2 with three thin coils 21, as explained in the document. The fragrance rod 2 can be manufactured, for example, using a winding machine known as disclosed in Japanese Patent Application Publication No. 7-184625.

[0090] First, in the fine roll forming section 101 of the winding machine, the fragrance source 24 and the strip-shaped receptor (metal strip) 20P are continuously wound into a cylindrical shape along the length direction using a strip-shaped fine roll paper 23P, forming long strip fine roll rods 21P1 to 21P3 with a cylindrical cross-section (long strip fine roll rod forming process). The long strip fine roll rods 21P1 to 21P3 each have a long strip shape and are finally cut into a given length, thereby forming each fine roll rod 21.

[0091] Figure 7 The diagram shows elongated thin coils 21P1 to 21P3 formed in the thin coil forming section 101. The thin coil forming section 101 includes three parallel winding lines L1 to L3 for winding each of the elongated thin coils 21P1 to 21P3 side by side. Each of the elongated thin coils 21P1 to 21P3 is wound in a parallel state while traveling side by side on the line.

[0092] Each winding line L1 to L3 has a material supply section 101A and a forming section 101B located downstream of it. The material supply section 101A of each winding line L1 to L3 continuously supplies a fragrance source 24 and a strip-shaped receptor 20P to the elongated inner roll paper 23P transported along the transport path. For each winding line L1 to L3, the type of fragrance source 24 supplied from the material supply section 101A to the elongated inner roll paper 23P can be different or the same. In the forming section 101B of each winding line L1 to L3, the elongated inner roll paper 23P, after being supplied with the fragrance source 24 and the elongated receptor 20P, is gradually tightened from the outer surface side, thereby winding the elongated inner roll paper 23P into a cylindrical shape.

[0093] The forming section 101B, for example, passes through the inside of a guide member having a cylindrical guide inner wall surface, thereby forming the elongated inner roll paper 23P into a cylindrical shape while simultaneously rolling the fragrance source 24 and the elongated strip-shaped receptor 20P. Such a guide member is known, and for example, a clamp disclosed in Japanese Patent Application Publication No. 7-184625 can be used. For example, the cylindrical guide inner wall surface of the guide member gradually narrows towards the downstream side of the transport path, and the elongated inner roll paper 23P is guided by the cylindrical guide inner wall surface when passing through the inside of the guide member. As a result, the cross-sectional shape of the elongated inner roll paper 23P is formed into a cylindrical shape via a U-shape. It should be noted that during the process of forming the elongated inner roll paper 23P into a cylindrical shape, the fragrance source 24 disposed on the inside of the elongated inner roll paper 23P is moderately compressed by the cylindrical guide inner wall surface. As described above, the inner roll paper 23P is formed into a cylindrical shape and bonded together with its ends overlapping each other in the width direction. The result is, as... Figure 7 As shown, long, cylindrical thin coiled rods 21P1 to 21P3 can be obtained.

[0094] Next, in the coarse winding section 102 of the winding machine, multiple long thin coils 21P1 to 21P3 transported in the transport path are brought together and wound together by the outer wrapping paper 22P of the long coils, thereby forming a long fragrance bar 2P with a cylindrical cross-section (long fragrance bar forming process).

[0095] Figure 8 This illustration shows a bundle of thin rolls 21P1 to 21P3 placed on a long, strip-shaped outer roll of paper 22P being transported along the transport path in the coarse roll forming section 102. In the coarse roll forming section 102, as... Figure 8As shown, the long outer roll paper 22P is formed into a cylindrical shape with multiple long thin rolls 21P1 to 21P3 arranged on it, and then bonded together with the ends of the long outer roll paper 22P overlapping each other in the width direction. The result is as follows: Figure 9 As shown, a long, cylindrical fragrance rod 2P can be obtained.

[0096] It should be noted that in the coarse roll forming section 102, when the long flavoring rod 2P is formed into a cylindrical cross-section, a guide member as described in the forming section 101B above (e.g., the clamp disclosed in Japanese Patent Application Publication No. 7-184625) can be used. During the process of forming the long outer roll paper 22P into a cylindrical shape by the guide member, each of the long thin roll rods 21P1 to 21P3 located inside the long outer roll paper 22P is moderately compressed by the cylindrical inner wall surface of the guide member. As a result, the cross-section of each of the long thin roll rods 21P1 to 21P3, which originally had a circular shape (approximately a perfect circle), can be deformed into an elliptical shape. It should be noted that the diameters (before compression) of each of the long thin roll rods 21P1 to 21P3 can be the same or different. In the former case, for example, when the diameter of the fragrance stick is set to 7mm, the diameter (before compression) of each long thin coil 21P1 to 21P3 can be set to about 3.5mm to 4mm.

[0097] Furthermore, in the process of forming the long fragrance sticks, an adhesive (referred to in this technical field as "track adhesive") for bonding the inner side roll paper 22P corresponding to each long thin roll paper 21P1 to 21P3 to the inner side roll paper 23P to the long thin roll paper 22P in a linear fashion along the length direction of the long outer roll paper 22P can be applied. Then, the long thin roll paper 21P1 to 21P3 is wound using the long outer roll paper 22P. This allows each long thin roll paper 21P1 to 21P3 to be bonded to the long outer roll paper 22P. It should be noted that the bonding portions of each long thin roll paper 21P1 to 21P3 to the long outer roll paper 22P correspond to the aforementioned bonding portions BP.

[0098] As described above, by compressing each of the long, thin coils 21P1 to 21P3 from the outside and rolling them together using the long outer wrapping paper 22P, a long fragrance stick 2P with multiple long, thin coils 21P1 to 21P3 having an elliptical cross-section on the inner side of the long outer wrapping paper 22P can be obtained. It should be noted that in the above-described long fragrance stick forming process, while keeping each of the long, thin coils 21P1 to 21P3 tightly closed to each other, they can be rolled together using the long outer wrapping paper 22P to suppress the formation of a central gap 25 on the central side of the cross-section of the long fragrance stick 2P, or to reduce the cross-sectional area of ​​the central gap 25.

[0099] Next, in the cutting section 103 of the winding machine, the long strip of fragrance rod 2P, which is being transported along the transport direction, is sequentially cut into a given length (e.g., the length of one fragrance rod) (cutting process). The result is that fragrance rods 2 of the given length are obtained. It should be noted that after the long strip of fragrance rod 2P is cut into the given length, the cross-sectional shape of the fragrance rod 2 can be checked, and feedback control can be performed to adjust the position of the thin coil 21 in the cross-section, the filling amount of the fragrance source 24, etc.

[0100] For the flavor stick 1, a separate mouthpiece 3 is prepared. The flavor stick 2 and the mouthpiece 3 are rolled together by the connecting paper 8 to form a single unit, thereby connecting them (connection process). Thus, the following can be obtained: Figure 2 The fragrance stick shown is 1.

[0101] Next, regarding the reference Figures 5-9 The manufacturing method described herein (hereinafter referred to as "Manufacturing Method 1") and a different manufacturing method (Manufacturing Method 2) will be described. Figures 10-15 This diagram illustrates a second manufacturing method for the fragrance stick 1. The second manufacturing method for the fragrance stick 1 includes a step of forming the fragrance stick and a connecting step. The step of forming the fragrance stick further includes a step of forming an elongated fragrance stick and a cutting step. The step of forming the fragrance stick in the second manufacturing method can, for example, be implemented using an existing composite filter winding machine. Figure 10 This diagram illustrates the first half of the process for forming the long fragrance stick in the second manufacturing method. Figure 10 The symbol 110 shown is a conveyor belt that transports the various materials used to manufacture the fragrance stick 1 along the direction of the hollow arrow in the figure (the transport direction). Figure 10 As shown, a long strip of outer roll paper 22P is transported on conveyor belt 110. Figure 11This is a diagram illustrating the shape of the conveyor belt 110 in a cross-sectional direction orthogonal to the transport direction. The conveyor belt 110 has a concave groove 110A along the transport direction, which carries various materials, including strips of outer roll paper 22P, in a state where the groove 110A receives them. For example, suction holes are formed at the bottom of the groove 110A of the conveyor belt 110 to apply suction pressure to the strips of outer roll paper 22P, and the strips of outer roll paper 22P are transported while deforming along the wall of the groove 110A.

[0102] In the second manufacturing method, various components for forming the intermediate assembly MA of the flavor stick 1 are supplied onto the long outer roll paper 22P conveyed by the conveyor belt 110 of the winding machine. Reference numeral 111 is a leakage suppression component supply roller that supplies a double-length leakage suppression component 4W to the long outer roll paper 22P in the transport path. The double-length leakage suppression component 4W is divided into two equal parts 4 at the center position in the length direction by a cutting blade. That is, the double-length leakage suppression component 4W is a component with the leakage suppression part 4 set to twice the normal length (the length of the leakage suppression part 4 as the final form of the flavor stick 1). It should be noted that the leakage suppression part 4 corresponds to the "first component" constituting part of the mouthpiece part 3. The first component can be a component disposed at the front end of the mouthpiece part 3. Furthermore, the double-length leakage suppression component 4W having twice the length of the leakage suppression part 4 (first component) corresponds to the "double-length first component".

[0103] Symbols 112 to 114 refer to the first to third thin rolls 21W1 to 21W3 of double-length thin rolls supplied to the outer roll of paper 22P transported by conveyor belt 110. The double-length thin rolls 21W1 to 21W3 are divided into two thin rolls 21 by using a cutting blade to bisect them at the center of their length. In other words, the double-length thin rolls 21W1 to 21W3 are obtained by setting the thin roll 21 to twice its normal length (the length of the thin roll 21 in its final form as the fragrance stick 1). In other words, the double-length thin rolls 21W1 to 21W3 are essentially equal to the thin rolls formed by rolling the fragrance source 24 and the receptor 20 with an inner roll of paper 23 having twice its normal length.

[0104] like Figure 10As shown, starting from the upstream side of the transport path using the conveyor belt 110, leakage suppression component supply roller 111 and first to third fine winding rod supply rollers 112 to 114 are arranged sequentially (position 1 P1 to position 4 P4). The leakage suppression component supply rollers 111 and 112 to 114 are located, for example, above the conveyor belt 110, with each roller's axis of rotation orthogonal to the transport direction of the conveyor belt 110. Furthermore, the leakage suppression component supply rollers 111 and 112 to 114 rotate while drawing the target material to be supplied onto the long outer roll of paper 22P transported by the conveyor belt 110, and sequentially supply the target material onto the long outer roll of paper 22P at given times. It should be noted that various materials can be sequentially supplied to each supply roller 111 to 114 via a hopper (not shown), intermediate roller, or the like.

[0105] like Figure 10 As shown, the leakage suppression component supply roller 111 at position 1 P1 supplies double-length leakage suppression components 4W to the outer roll of long strip paper 22P at regular intervals. Here, the interval between the double-length leakage suppression components 4W supplied to the outer roll of long strip paper 22P is approximately equal to the length of the double-length thin rolls 21W1 to 21W3, forming a rod mounting space S1 for mounting the double-length thin rolls 21W1 to 21W3. Then, the first to third thin rolls supply rollers 112 to 114 at positions 2 P2 to 4 P4 sequentially supply double-length thin rolls 21W1 to 21W3 to the rod mounting space S1 formed between the double-length leakage suppression components 4W.

[0106] Figure 12 This diagram illustrates the supply of various components to the leakage suppression component supply roller 111 and the thin rod supply rollers 112-114 at positions 1-4 (P1-P4). As described above, double-length leakage suppression components 4W and double-length thin rods 21W1-21W3 are sequentially supplied to the long outer roll of paper 22P transported by the conveyor belt 110. Then, at position 4 (P4), the double thin rods 21W3 are supplied to the rod mounting space S1, thereby bundling the three double thin rods 21W1-21W3 together and arranging them in series with the double-length leakage suppression component 4W on the long outer roll of paper 22P (see reference). Figure 10 and Figure 12 (etc.). It should be noted that the meaning of the term "bundling" as used here refers to the arrangement of multiple double-length thin coil rods 21W1 to 21W3 side by side and close to each other.

[0107] Figure 13This diagram illustrates the latter half of the long fragrance stick forming process in the second manufacturing method. In the latter half of the long fragrance stick forming process, a bundle (illustrated as 21W in the diagram) of a double-length leakage suppression member 4W (double-length first component) and each double-length thin coiled rod 21W1 to 21W3 (double-length thin coiled rods) arranged in series therewith is wound together using the outer roll paper 22P. As a result, a long, cylindrical fragrance stick 2P' is formed, in which the bundles of double-length thin coiled rods 21W1 to 21W3 and the double-length leakage suppression member 4W are alternately arranged in the length direction and wound together by the outer roll paper 22P. The section of the long fragrance stick 2P' containing the bundles of double-length thin coiled rods 21W1 to 21W3 is called the "thin coiled rod section ST1," and the section containing the double-length leakage suppression member 4W is called the "leakage component section ST2."

[0108] The bundling of the double-length thin rods 21W1 to 21W3 using the long outer roll paper 22P and the double-length leakage suppression member 4W can be performed using the known clamp (guide member) described in Japanese Patent Application Publication No. 7-184625, in the same manner as the forming process of the long fragrance rod in the first manufacturing method. Thus, the double-length thin rods 21W1 to 21W3 can be compressed from the outside, and they are wound using the long outer roll paper 22P. As a result, a rod-shaped long fragrance rod 2P' with an elliptical cross-section can be obtained from the thin rod section ST1.

[0109] Next, the cutting process of the second manufacturing method will be explained. Figure 13 The illustration of conveyor belt 110 is omitted. Figure 13 The symbol 115 shown is the cutting blade of the winding machine. The cutting blade 115 cuts the long fragrance rod 2P' at the center position in the length direction of the double-length leakage suppression member 4W and at the center position in the length direction of each double-length thin coil 21W1 to 21W3. In other words, in the cutting process, the long fragrance rod 2P' is cut at the center position of each of the thin coil section ST1 and the leakage member section ST2. As described above, by cutting each double-length thin coil 21W1 to 21W3 at the center position in the length direction, it can be divided into two thin coils 21. In addition, by cutting the double-length leakage suppression member 4W at the center position in the length direction, it can be divided into two leakage suppression parts 4. After the above cutting process, an intermediate assembly MA (see reference) can be formed in which the leakage suppression part 4 is connected to the rear end of the fragrance rod 2 formed by bundling multiple thin coils 21. Figure 14It should be noted that, in the above example, the method of cutting the long fragrance rod 2P' using a single cutting blade 115 in the cutting process was described. However, multiple cutting blades 115 can also be used to cut the long fragrance rod 2P'. For example, the first and second cutting blades can be arranged at different positions along the conveyor belt 110, with the first cutting blade used to cut the thin coil section ST1 and the second cutting blade used to cut the leaking component section ST2. Furthermore, either the first or second cutting blade can be arranged upstream of the conveyor belt 110 in the conveyor belt's transport direction.

[0110] Figure 14 This diagram shows the intermediate assembly MA formed during the process of forming the fragrance stick, the separately prepared cooling section 5, the filter section 6, and the tipping paper 8. Figure 14 The illustrations of the leakage suppression part 4, cooling part 5, and filter part 6 are simplified. Here, the cooling part 5 and the filter part 6 correspond to the "second component" constituting part of the mouthpiece part 3. The cooling part 5 and the filter part 6, which correspond to the second component, can also be considered as the remaining components constituting the mouthpiece part 3 other than the leakage suppression part 4, which corresponds to the first component. The second manufacturing method of the flavor stick 1 includes a connecting process. In the connecting process of the second manufacturing method, with one or more second components constituting part of the mouthpiece part 3 arranged in series with the leakage suppression part 4, which corresponds to the first component, in the intermediate assembly MA, the intermediate assembly MA and the one or more second components are rolled together using the splicing paper 8. In this example, the cooling part 5 and the filter part 6 each correspond to the second component. Therefore, as Figure 14 As shown, by sequentially arranging the cooling section 5 and the filter section 6 in series at the rear end of the leakage suppression section 4 in the intermediate assembly MA, the intermediate assembly MA, the cooling section 5, and the filter section 6 are wound together using the splicing paper 8, thereby connecting them into a single unit. The result is as follows: Figure 15 As shown, fragrance stick 1 is now complete. It should be noted that... Figure 15 The internal structures of the leakage suppression section 4, cooling section 5, and filter section 6 are omitted from the illustration.

[0111] When the fragrance rod 2 is inserted into the heating chamber 31 of the fragrance extraction device 30, as described above, the fragrance source 24 of each thin coil 21 is heated by the operation of the induction coil 32.

[0112] The fragrance extraction device 30 can start heating when triggered by an operation switch or similar device located on the housing. Alternatively, the fragrance extraction device 30 can also start heating when the insertion of a fragrance stick 1 (fragrance rod 2) into the heating chamber 31 is detected. For example, the control unit 34 can include a sensor that detects the insertion of the fragrance stick 1 (fragrance rod 2) into the heating chamber 31, and use this sensor to detect the insertion of the fragrance stick 1 (fragrance rod 2) as the trigger to start heating.

[0113] For example, when the operation switch is activated, the control unit 34 receives a request to start the heating operation by detecting that the fragrance stick 1 has been inserted into the heating chamber 31 as a trigger point, and supplies operating power to the induction coil 32 to the power supply unit 33. The battery unit 33 can output DC current, for example. Moreover, the fragrance inhalation device 30 can be equipped with a DC / AC converter to convert the DC current output by the power supply unit 33 into a high-frequency AC current and supply it to the induction coil 32. For example, the fragrance inhalation device 30 is equipped with a resonant capacitor, and can be configured to supply AC current through resonance between the capacitor and the induction coil 32. In this case, the frequency of the AC current (resonant frequency) f0 is determined by the capacitance C of the resonant capacitor and the inductance L of the induction coil 32 as f0 = 1 / (2π√(LC)). Thus, the induction coil 32 generates a fluctuating electromagnetic field (alternating magnetic field) of this given frequency.

[0114] In addition, the control unit 34 may be equipped with a temperature sensor that detects the temperature inside the heating chamber 31 or the temperature of the aroma rod 2, and can adjust the amount of current supplied from the power supply unit 33 to the induction coil 32 based on the temperature detected by the temperature sensor.

[0115] When the induction coil 32 operates with the fragrance rod 2 inserted into the heating chamber 31 of the fragrance inhalation device 30, it generates a high-frequency alternating magnetic field within the heating chamber 31. As a result, the receptors 20 of each thin coil 21 in the fragrance rod 2 located within the heating chamber 31 are exposed, and eddy currents are induced within the receptors 20 through electromagnetic induction. Then, the receptors 20 are induced to heat up through the generation of Joule heating, thereby generating heat and heating the fragrance source 24 through heat transfer. As a result, the aerosol generating substrate contained in the fragrance source 24 volatilizes, and fragrance components are released from the fragrance source 24, resulting in the generation of an aerosol containing fragrance components. The aerosol containing fragrance components flows within each thin coil 21 toward the mouthpiece portion 3 (downstream side), flowing into the mouthpiece portion 3 from the rear end of each thin coil 21. Then, the aerosol containing the flavoring components passes sequentially through the aerosol flow path 41A-41C of the leakage suppression section 4 located at the front end of the mouthpiece section 3, the cooling section 5, and the filter section 6, and is finally drawn into the user's mouth from the inhalation end 1a.

[0116] The fragrance rod 2 of this embodiment has the following form: multiple thin rods 21, which are formed by rolling fragrance sources 24 using inner wrapping paper 23, are further bound together using outer wrapping paper 22. That is, in this embodiment, the fragrance rod 2 separately wraps the fragrance sources 24 in each thin rod 21 with inner wrapping paper 23. As a result, the contact area between the fragrance sources 24 in the fragrance rod 2 and the wrapping paper (inner wrapping paper 23) can be sufficiently ensured. Therefore, it is possible to prevent the fragrance sources 24 in each thin rod 21 and the receptors 20 embedded in the fragrance sources 24 from falling off (spilling) from the front end 1b side.

[0117] Furthermore, in the fragrance stick 2 of this embodiment, the inner rolled paper 23 of each thin rolled paper 21 is bonded to the outer rolled paper 22 at the adhesive portion BP. Therefore, when the fragrance stick 2 is inserted (installed) into the heating chamber 31, even if insertion resistance is generated due to friction between the chamber side peripheral wall 31B of the heating chamber 31 and the outer rolled paper 22, it is less likely that the thin rolled paper 21 located inside the outer rolled paper 22 will be pressed into the mouthpiece portion 3 side (rear end side) due to positional deviation. In addition, each thin rolled paper 21 in the fragrance stick 2 has an elliptical cross-section, with its minor axis arranged radially along the fragrance stick 2. As a result, it is easy to arrange the major axis of each thin rolled paper 21 along the circumferential direction of the fragrance stick 2, and the area of ​​the outer peripheral gap portion 26 can be reduced.

[0118] Furthermore, the flavor stick 1 has a leakage suppression section 4 at the front end of the mouthpiece portion 3. The leakage suppression section 4 extends axially and has aerosol flow paths 41A to 41C for the flow of aerosols generated in the multiple thin coils 21, and has a central side blocking section 42A and a peripheral side blocking section 42B disposed opposite to the central side gap 25 and the peripheral side gap 26 in the flavor stick 2. Thus, when the flavor stick 1 is inhaled, leakage of air introduced into the flavor stick 2 from the front end 1b side through the central side gap 25 and the peripheral side gap 26 to the downstream side can be suppressed. It should be noted that the position, size, and number of the aerosol flow paths of the leakage suppression section 4 are not particularly limited as long as they allow the aerosols flowing from each thin coil 21 to flow to the downstream side. Alternatively, the leakage suppression section 4 can be omitted if the leakage is within the range that allows air leakage through the central side gap 25 and the peripheral side gap 26.

[0119] Figure 16 This figure illustrates a variation of the leakage suppression unit 4 in Embodiment 1. Figure 16The figure shows a cross-section of the leakage suppression section 4 in a modified example. The dotted lines in the figure indicate the cross-sectional shape of each thin winding rod 21, that is, the position of the outer surface 23A in the inner roll of paper 23. In the modified example shown in (a), the aerosol flow paths 41A to 41C are arranged opposite to the rear ends of each thin winding rod 21. In addition, as shown in (a), the cross-sectional area of ​​the aerosol flow paths 41A to 41C is smaller than the cross-sectional area of ​​each thin winding rod 21. Moreover, the rear ends of each thin winding rod 21 are arranged across the aerosol flow paths 41A to 41C corresponding to the blocking surfaces 42 (central blocking section 42A, outer peripheral blocking section 42B) of the leakage suppression section 4.

[0120] That is, in the above configuration, for the rear end of each thin coil 21, a portion faces the oppositely arranged aerosol flow paths 41A to 41C, and a portion is supported from the rear by abutting the sealing surface 42 (central sealing portion 42A, outer peripheral sealing portion 42B). As a result, in the sealing surface 42 (central sealing portion 42A, outer peripheral sealing portion 42B) of the leakage suppression portion 4, the area opposite to the rear end of each thin coil 21 (the area abutting the rear end) is configured to function as an anti-displacement portion for each thin coil 21 when the flavor rod 2 is inserted into the heating chamber 31. Thus, when the flavor rod 2 is inserted (installed) into the heating chamber 31, even if insertion resistance is generated due to friction between the chamber side peripheral wall 31B of the heating chamber 31 and the outer roll paper 22, it is not easy for the thin coil 21 located inside the outer roll paper 22 to be pressed into the mouthpiece portion 3 side (rear end side) for positional displacement. In this way, when the sealing surface 42 of the leakage suppression part 4 functions as an anti-displacement part (support part) to suppress position displacement by partially supporting the rear end of each thin winding rod 21, it is not necessary to glue the inner winding paper 23 of each thin winding rod 21 to the outer winding paper 22.

[0121] Next, in the modified example shown in (b), a single aerosol flow path 41 is arranged across the rear end of each thin coil 21 on the central side of the cross-section of the leakage suppression section 4. That is, a single aerosol flow path 41 is arranged opposite to the rear end portion of each thin coil 21. In the example shown in (b), the aerosol flow path 41 is arranged opposite to the rear end of the central side gap 25 in the fragrance rod 2, but the arrangement shown in (b) can also be used within the range that allows air leakage through the central side gap 25.

[0122] Furthermore, the diameter of the fragrance stick 2 in this embodiment can be determined by the compression it undergoes by the chamber-side peripheral wall 31B during insertion into the heating chamber 31. For example, the cross-section of the heating chamber 31 (the cross-section in the direction orthogonal to the insertion / removal direction of the fragrance stick 2) can be smaller than the diameter of the fragrance stick 2. Therefore, during the insertion of the fragrance stick 2 into the heating chamber 31, the fragrance stick 2 is compressed from the outer periphery by the chamber-side peripheral wall 31B, which can flatten the central gap 25 and the outer periphery gap 26, or reduce their cross-sectional area. This makes it easier to further suppress air leakage through the central gap 25 and the outer periphery gap 26 when the fragrance stick 1 is drawn in.

[0123] It should be noted that the types of flavor sources 24 in the multiple thin coils 21 contained in the flavoring rod 2 can be the same or different. In the latter case, for example, in the first thin coil 21 contained in the flavoring rod 2, the flavor source 24 in the form of a uniform sheet folded into a pleated shape can be filled inside the inner wrapping paper 23. Alternatively, for example, in the second thin coil 21, the flavor source 24 in the form of tobacco shreds can be filled inside the inner wrapping paper 23. Alternatively, for example, in the third thin coil 21, plant materials (e.g., herbal materials) without tobacco components can be filled inside the inner wrapping paper 23 as the flavor source 24. Of course, these combinations are just examples. By making the types of flavor sources 24 different in at least one thin coil 21 and the other thin coils 21 contained in the flavoring rod 2, the freedom of flavor design is increased, and a rich flavor can be easily achieved.

[0124] Furthermore, as described above, when the various thin coils 21 in the fragrance rod 2 possess different types of fragrance sources 24, the cross-sectional areas of the thin coils 21 can be different from each other. In this way, the amount of fragrance source 24 can be easily controlled in accordance with the type of fragrance source 24.

[0125] Here, the outer periphery of the aroma source 24 of each thin coil 21 in the aroma rod 2 is covered by the inner wrapping paper 23. Therefore, the aerosol containing aroma components released from the aroma source 24 of each thin coil 21 is guided into the mouthpiece 3 without mixing with each other. Thus, even when multiple thin coils 21 contain different types of aroma sources 24, it is expected that the aroma of the aroma components contained in the aerosols released from each type of aroma source 24 will be more pronounced. It should be noted that, from this point of view, the mouthpiece 3 can have a flow path structure that individually guides the aerosols flowing out from the multiple thin coils 21 to the inhalation end 1a. For example, the leakage suppression section 4 can allow the aerosols flowing out from the multiple thin coils 21 to flow independently into the inhalation end 1a. Figure 4The aerosol flow paths 41A to 41C shown allow the aerosols flowing out from each thin coil 21 to flow separately. Furthermore, regarding the cooling section 5, for example, a folded sheet can be provided, and a flow path can be formed along the axial direction of the mouthpiece section 3 to prevent the aerosols flowing out from each thin coil 21 from mixing.

[0126] <Implementation Method 2>

[0127] Next, the fragrance stick of Embodiment 2 will be described. Figure 17 This is a diagram showing a cross-section of the fragrance rod 2A according to Embodiment 2. Figure 17 As shown, the fragrance stick 2A has two thin coiled rods 21. In the fragrance stick 2A with two thin coiled rods 21 (two-coil type), the basic structure of the thin coiled rods 21 is the same as that of the fragrance stick 2A with three thin coiled rods (three-coil type).

[0128] exist Figure 17 In this document, for symbols that are common to the aforementioned embodiments, detailed descriptions are omitted. Figure 17 In the example shown, a pair of thin coils 21 have a substantially combined elliptical shape and are arranged with their major axes parallel. Furthermore, the minor axes of each thin coil 21 are arranged radially along the fragrance coil 2A. More specifically, the minor axes of each thin coil 21 lie on the same straight line passing through the central axis CL, and the pair of thin coils 21 are arranged such that the outer surfaces 23A of the inner rolled paper 23 are in contact with each other at the center of the cross-section of the fragrance coil 2A. This suppresses the formation of the aforementioned central side gap 25, or reduces the cross-sectional area of ​​the central side gap 25. Additionally, by arranging the pair of thin coils 21 with their major axes parallel in the fragrance coil 2A, the area of ​​the outer peripheral side gap 26 can be reduced.

[0129] Figure 17 The flavoring rod 2A shown is also connected to the mouthpiece portion 3 via the aforementioned splicing paper 8, thereby forming the flavoring rod 1 (see reference). Figure 2 The fragrance stick 2A of this variant can be manufactured essentially through the same process as the fragrance stick 2 of the three-piece thin roll type. Of course, the two-piece thin roll type differs from the three-piece thin roll type in that it has two thin rolls 21. Therefore, in this embodiment, two long thin rolls 21P1 and 21P2 are provided in the above-described long thin roll forming process. If the diameter of the fragrance stick 2 to be manufactured is set to 7mm, it is possible to set the diameter (before compression) of the two long thin rolls 21P1 and 21P2 to approximately 4mm to 4.5mm.

[0130] Figure 18This is a diagram illustrating the cross-section of the leakage suppression section 4 in Embodiment 2. The dotted lines in the diagram indicate the cross-sectional shape of each thin winding rod 21, i.e., the position of the outer surface 23A of the inner rolled paper 23. In the embodiments shown in (a) and (b), the leakage suppression section 4 has a pair of aerosol flow paths 41A and 41B formed along the central axis CL2 for allowing aerosol from a pair of thin winding rods 21 to flow through respectively. In the example shown in (a), the cross-sections of each aerosol flow path 41A and 41B are aligned with the corresponding thin winding rod 21, and each aerosol flow path 41A and 41B is arranged facing each thin winding rod 21. Furthermore, as shown in (a), the leakage suppression section 4 is configured such that the rear end of the outer peripheral gap 26 of the fragrance rod 2A is blocked by the outer peripheral blocking portion 42B in the blocking surface 42.

[0131] In the configuration shown in (b), the cross-sectional area of ​​each aerosol flow path 41A, 41B is smaller than that of the opposing thin coils 21. Furthermore, the rear end of each thin coil 21 is positioned across the aerosol flow paths 41A, 41B corresponding to the sealing surface 42 (outer peripheral sealing portion 42B) of the leakage suppression section 4. That is, in the configuration of (b), for the rear end of each thin coil 21, a portion faces the opposing aerosol flow paths 41A, 41B, and a portion is supported from the rear by abutting against the sealing surface 42 (outer peripheral sealing portion 42B). As a result, in the sealing surface 42 (outer peripheral sealing portion 42B) of the leakage suppression section 4, the area opposite to the rear end of each thin coil 21 (the area abutting the rear end) functions as an anti-deviation portion (support member) for each thin coil 21. Therefore, even if insertion resistance occurs when the flavor rod 2A is inserted into the heating chamber 31, the positional displacement of each thin coil 21 pressed into the mouthpiece portion 3 (rear end side) can be suppressed.

[0132] In the manner shown in (b), the leakage suppression section 4 has a single aerosol flow path 41 on the central side of the cross-section of the leakage suppression section 4, and the blocking surface 42 (outer peripheral blocking section 42B) blocks the rear end portion of the outer peripheral gap 26 of the fragrance rod 2A.

[0133] It should be noted that, in the above embodiments, the arrangement of the fragrance source 24 and the receptor 20 in each thin roller 21 can be varied. Figure 19This diagram illustrates other variations in the arrangement of the flavor source 24 and receptors 20 in the thin winding rod 2. In the embodiment shown in (a), a large number of plate-shaped receptors 20 are embedded in the flavor source 24 inside the inner roll paper 23 filled in the thin winding rod 21. In the embodiment shown in (b), a large number of plate-shaped receptors 20, with the flavor source 24 containing an aerosol generating substrate loaded on their surface, are filled inside the inner roll paper 23 of the thin winding rod 21. In this embodiment, for example, the flavor source 24 of the tobacco filler and the aerosol generating substrate are suspended together in a liquid such as water or an adhesive to form a slurry, which is then coated onto the surface of the receptors 20 and dried to adhere them.

[0134] In the manner shown in (c), the sheet-like receptor 20A is adhered to the inside of the inner roll of paper 23, and a fragrance source 24 containing an aerosol-generating substrate is filled further inside the sheet-like receptor 20A. The receptor 20A is formed of a suitable metal sheet such as aluminum.

[0135] Furthermore, in the above embodiment, although the fragrance source 24 is filled inside the inner side of the inner side of the paper 23 on the inner side of the thin winding rod 21, it is not limited to this filling form. As long as the fragrance source and aerosol generating substrate are included inside the inner side of the paper 23, various forms can be adopted.

[0136] Figure 20 This is a diagram showing other variations in the arrangement of the fragrance source 24 and the receptor 20 in the thin coil 21. Figure 20 In (a) to (e), the sheet-like receptor 20A is attached to the inside of the inner roll of paper 23. Figure 20 The symbol 24A shown in the figures is a fragrance source disposed inside the sheet-like receptor 20A.

[0137] The flavor source 24A comprises a flavor source, an aerosol generating substrate, and a retaining substrate 240 for holding them. Suitable fragrances listed above can be used as the flavor source 24A. For example, the retaining substrate 240 of the flavor source 24A is a substrate sheet impregnated with and holding the liquid fragrance and the aerosol generating substrate; the material of this retaining substrate can be non-woven fabric, etc. The fragrance impregnated in the retaining substrate 240 (substrate sheet) of the flavor source 24A may not contain tobacco components. Furthermore, the retaining substrate 240 (substrate sheet) of the flavor source 24A can be, for example, adhered to the inner surface of the sheet-like receptor 20A. The thickness of the retaining substrate 240 (substrate sheet) is not particularly limited; for example, it can be set to approximately 0.1 mm to 2 mm.

[0138] In the embodiment shown in (a), the cross-section of the fragrance source 24A (retaining substrate 240) has a cylindrical shape. In the embodiment shown in (b), the cross-section of the fragrance source 24A (retaining substrate 240) has a C-shaped shape. In the embodiment shown in (c), the cross-section of the fragrance source 24A (retaining substrate 240) has an S-shaped shape. In the embodiment shown in (d), the cross-section of the fragrance source 24A (retaining substrate 240) has a meandering shape. In the embodiment shown in (e), the cross-section of the fragrance source 24A (retaining substrate 240) has a vortex shape. Of course, the fragrance source 24A (retaining substrate 240) can also be... Figure 20 In ways other than those shown, the cross-section of the substrate 240 (substrate sheet) can be of any shape.

[0139] It should be noted that the fragrance sources (fragrances) contained in the multiple thin coils 21 of fragrance rods 2 and 2A can be the same or different. Additionally, a substrate sheet impregnated with liquid fragrance and an aerosol-generating substrate can be cut into small pieces and filled inside the sheet-like receptors 20A adhered to the inner roll paper 23. Of course, fragrance rods 2 and 2A can be combined with the aforementioned thin coils 21 and bound together using the outer roll paper 22.

[0140] Furthermore, in the above-described embodiments, the ratio of the total cross-sectional area of ​​the central side gap 25 and the outer peripheral side gap 26 to the cross-sectional area of ​​the fragrance rods 2 and 2A is not particularly limited. For example, it can be set to 10% or less, and preferably 5% or less. This setting reduces air leakage downstream through the central side gap 25 and the outer peripheral side gap 26.

[0141] Furthermore, as mentioned above, there is no particular limitation as long as the fragrance stick contains two or more thin coils 21. However, considering both preventing the contents such as the fragrance source 24 and the receptor 20 from falling off from the front end of each thin coil 21 and the ease of manufacturing the fragrance stick, it is preferable to set the number of thin coils 21 to three. It should be noted that the number of thin coils 21 can be switched along the axial direction of the fragrance stick. For example, three thin coils 21 can be arranged on the front end side of the fragrance stick, and two thin coils 21 can be arranged on the rear end side of the fragrance stick.

[0142] Furthermore, to prevent heat from escaping from the sensor 20 to the outside, the inner wrapping paper 23 used in the thin winding rod 21 is preferably made of a material with low thermal conductivity. Therefore, the inner wrapping paper 23 is preferably made of a material with low weight per unit area and low density. For example, it is preferable to set the weight per unit area of ​​the inner wrapping paper 23 to be 10 gsm or more and 40 gsm or less, and the density of the inner wrapping paper 23 to be 0.5 g / cm³. 3 Above and 1g / cm 3The following method. In addition, in order to reduce heat transfer, the inner roll paper 23 can be made of a material coated with an agent such as calcium carbonate or silica.

[0143] Furthermore, from the viewpoint of suppressing leakage of aerosols passing through the central side gap 25 and the outer peripheral side gap 26, the inner roll paper 23 is preferably made of a material with low air permeability. For example, the air permeability of the inner roll paper 23 can be set to 0 CORESTA units (CU) or more and 200 CORESTA units (CU) or less. It should be noted that the aforementioned air permeability can, for example, be a value measured based on ISO 2965:2009.

[0144] Furthermore, to prevent heat from escaping from the receptor 20 to the outside, the outer wrapping paper 22 of the fragrance rod 2 is preferably made of a material with low thermal conductivity. Therefore, the outer wrapping paper 22 is preferably made of a material with low weight per unit area and low density. For example, it is preferable to set the weight per unit area of ​​the outer wrapping paper 22 to be 10 gsm or more and 40 gsm or less, and the density of the outer wrapping paper 22 to be 0.5 g / cm³. 3 Above and 1g / cm 3 The following method. In addition, in order to reduce heat transfer, the outer roll paper 22 can be, for example, an outer roll paper coated with an agent such as calcium carbonate or silica.

[0145] Furthermore, from the viewpoint of preventing the outer roll paper 22 from breaking when the suppressor is inserted and removed from the heating chamber 31, it is preferable to adjust the static friction coefficient between the outer heater 32 and the outer roll paper 22 to be 0.45 or higher and 0.75 or lower, and the dynamic friction coefficient to be 0.4 or higher and 0.7 or lower. Also, from the viewpoint of preventing the outer roll paper 22 from breaking when the suppressor is inserted and removed from the heating chamber 31, it is preferable to set the tensile strength of the outer roll paper 22 to 10 to 20 N / 15 mm, and the wet tensile strength of the outer roll paper 22 to 5 to 20 N / 15 mm. The method for measuring the tensile strength of the outer roll paper 22 can be based, for example, on JIS P 8113. The method for measuring the wet tensile strength of the outer roll paper 22 can be based, for example, on the wet tensile strength test described in Japanese Patent Application Publication No. 2019-187451.

[0146] Furthermore, the hardness of the thin winding rod 21, with the fragrance source 24 filled inside the inner side of the inner rolled paper 23, preferably reaches 60% or more and 85% or less. Here, "hardness" refers to the resistance to deformation in the cross-sectional direction of the thin winding rod 21. The hardness of the thin winding rod 21 can be based, for example, on Japanese Patent Publication No. 2019-506868 (paragraphs 0029-0031). Figure 1The test method described in [the document] can be used to determine the hardness of the thin coil 21. Additionally, the test for determining the hardness of the thin coil 21 can be performed using the standard operating procedure of the Borgwaldt Hardness Tester H10 (manufactured by Heinr Borgwaldt GmbH).

[0147] That is, the hardness of the thin coil rod 21 can be calculated by the following formula.

[0148] Hardness (%) = (Dd / Ds) × 100

[0149] In the formula, Ds is the diameter height of the thin coil 21 before being loaded by the Borgwaldt Hardness Tester H10, and Dd is the radial height after a certain load (88g) is applied to the thin coil 21 from the diameter direction by the load bar of the Borgwaldt Hardness Tester H10 for a given load time (5 seconds). Figure 21 This is a diagram illustrating the general process of hardness measurement of the thin coil 21. Figure 21 The symbol F shown indicates the load applied to the thin coil rod 21 in the diameter direction during the measurement test. The symbol d represents the amount of pressure applied by the load bar to press the thin coil rod 21 down in the diameter direction (d = Ds - Dd). It should be noted that the stiffer the thin coil rod 21 (the less pressure applied), the closer its stiffness is to 100%.

[0150] The embodiments of the present invention have been described above, but the fragrance stick, the non-combustion heated fragrance inhalation product, and the method for manufacturing the fragrance stick are not limited thereto. Furthermore, the various methods disclosed in the above embodiments and variations can be combined with any other methods disclosed in this specification.

Claims

1. A fragrance stick, comprising: A fragrance rod inserted into the heating chamber of a fragrance extraction device and heated by an induction coil disposed on the side periphery of the heating chamber; and The mouthpiece is connected to the rear end of the aforementioned flavoring rod. The aforementioned fragrance stick has multiple thin coils and an outer roll of paper that binds and wraps the multiple thin coils. The aforementioned multiple thin coil rods each have: Inner roll paper, The fragrance source, which is disposed on the inner side of the aforementioned inner roll paper and includes an aerosol-generating substrate, and The sensor is located on the inside of the aforementioned inner roll of paper. The sensor heats up by inductive heating when the induction coil is in operation, thereby heating the fragrance source.

2. The fragrance stick according to claim 1, wherein, The inner roll of paper in the aforementioned plurality of thin rolls is bonded to the outer roll of paper.

3. The fragrance stick according to claim 1 or 2, wherein, A leakage suppression part connected to the rear end of the flavor rod is disposed at the front end of the mouthpiece part. The leakage suppression part extends axially and is provided with an aerosol flow path for the aerosol generated in the plurality of thin coils to flow through, and has a blocking part for blocking the rear end of the gap formed between the outer roll paper and the plurality of thin coils.

4. The fragrance stick according to claim 3, wherein, The aforementioned leakage suppression section includes an outer peripheral blocking section, which is disposed opposite to the outer peripheral gap section formed near the outer peripheral side of the cross-section of the aforementioned fragrance rod in the aforementioned gap section.

5. The fragrance stick according to claim 3, wherein, The aforementioned leakage suppression section includes a central side blocking section, which is disposed opposite to the central side gap section formed on the central side of the cross-section of the aforementioned fragrance rod in the aforementioned gap section.

6. The fragrance stick according to claim 3, wherein, The aforementioned aerosol flow path is configured opposite to the rear end of the aforementioned plurality of thin coils.

7. The fragrance stick according to claim 3, wherein, The rear ends of each of the aforementioned multiple thin coils are configured to span the aforementioned blocking section and the aforementioned aerosol flow path. The area in the aforementioned blocking section opposite to the rear end of the aforementioned thin coil rod functions as an anti-deviation part of the aforementioned thin coil rod when the aforementioned fragrance rod is inserted into the aforementioned heating chamber.

8. A non-combustible fragrance inhalation product comprising a fragrance stick according to any one of claims 1 to 7 and a fragrance inhalation device for inhaling the fragrance stick. The fragrance inhalation device has a heating chamber into which the fragrance rod of the fragrance stick is inserted, and an induction coil disposed on the side periphery of the heating chamber.

9. A method for manufacturing a fragrance stick, wherein, The aforementioned fragrance stick comprises: a fragrance rod that is inserted into the heating chamber of a fragrance inhalation device and has a sensor that heats up when an induction coil disposed on the side periphery of the heating chamber is activated; and a mouthpiece portion connected to the rear end of the fragrance rod. The method for manufacturing the fragrance stick includes: The process involves bundling multiple thin rods containing an aerosol-generating substrate and the aforementioned receptors using inner roll paper, and then rolling them together using outer roll paper to form a fragrance rod; and... The process of connecting the above-mentioned mouthpiece part in series with the above-mentioned flavor rod and rolling them together with the tipping paper.

10. The method for manufacturing a fragrance stick according to claim 9, wherein, The process of forming the fragrance rod includes: In the process of forming long thin rolls, a fragrance source containing an aerosol generating substrate and the aforementioned receptors are continuously wound in the length direction using long sheet-shaped thin roll paper, thereby forming multiple long thin rolls side by side in the transport direction of the winding machine. In the process of forming a long fragrance stick, the multiple long thin coils are brought together while the outer wrapping paper of the long strips is used to roll them into one piece, thereby forming a long fragrance stick. as well as The cutting process involves cutting the long fragrance stick into a given length to form the fragrance stick.

11. The method for manufacturing a fragrance stick according to claim 9, wherein, The process of forming the fragrance rod includes: In the process of forming a long flavor stick, double-length first components having twice the length of a first component constituting part of the mouthpiece are supplied at given intervals to a long outer roll of long sheet-shaped outer wrapping paper being transported in the transport path of a winding machine. Multiple double-length thin rolls having twice the length of the thin rolls are supplied to the rod-carrying space formed between the double-length first components in a bundled manner. Then, the double-length first components and the double-length thin rolls arranged in series therewith are bundled together by the long outer roll of paper, thereby forming a long flavor stick. and The cutting process involves cutting the long fragrance stick at the center of the length of the double-length first component and at the center of the length of the double-length thin coil, respectively, thereby forming an intermediate assembly connecting the first component to the fragrance stick. In the connecting process, with one or more second components constituting part of the mouthpiece portion arranged in series with the first component in the intermediate assembly, the intermediate assembly and the one or more second components are rolled together using splicing paper.

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