Heated tobacco cartridge

Abstract

To provide a heated tobacco cartridge preventing impurities in an airflow from concentrating in a specific area by dispersing the airflow flowing through a filter member.SOLUTION: A heated tobacco cartridge includes a filler assembly 10 being heated to generate aerosol, a support part 12 supporting the filler assembly with it located adjacent thereto, a filter member 14 with a mouthpiece 14a, and a wrapper member 16 wrapped around the outer periphery of the filler assembly, the support part and the filter member. The filter member includes a flow change part 30 on an end face adjacent to the support part, the aerosol airflow from the filler assembly side passes through the support part, where a radial vector component changes a direction from the inner peripheral side to head for the outer peripheral side by the flow change part of the filter member, and is guided to the outer peripheral area of the filter member.SELECTED DRAWING: Figure 1

Description

[Technical Field]

[0001] The present invention relates to a heated tobacco product that is smoked by being attached to a heated smoking device that has an electrically controlled heating element. This relates to cartridges for use. [Background technology]

[0002] Recently, a new type of tobacco vaporizer has been developed that uses a flameless method to heat a tobacco cartridge containing tobacco ingredients. Tobacco products that involve inhaling oxidized tobacco components are widely known. This allows you to enjoy the aroma and flavor of plants that do not contain tobacco components, just like cigarettes, without using flames. Cartridge products for this purpose are also becoming known.

[0003] For example, Patent Document 1 discloses an aerosol cooling element for an aerosol-generating article. Specifically, the aerosol cooling element comprises a gathered sheet of biodegradable polymer material. The patent states that the product contains "aero cartridges for heated tobacco products" (see claim). The sol-generating article is composed of, in order from the tip side, an aerosol-forming substrate, a spacer element, and an aerosol The cooling element is lined with a filter, which is wrapped in cigarette paper. . [Prior art documents] [Patent documents]

[0004] [Patent Document 1] Patent No. 5877618 Summary of the Invention [Problem to be solved by the invention]

[0005] The aerosol-forming substrate, which is a packing material, is heated by a heating element of the heated smoking device. This generates an airflow containing aerosols, which flows toward the filter member with the suction port. At this time, the airflow tends to gather in the center, so as you smoke repeatedly, As a result, impurities are concentrated in the center of the filter material. This may affect the airflow and change the taste. Therefore, it is desirable to use the entire area of ​​the filter element to filter impurities from the airflow.

[0006] The present invention has been made in view of the above-mentioned problems, and is a method for dispersing airflow flowing through a filter member. This prevents impurities from concentrating in a specific area of ​​the airflow. The purpose is to provide. [Means for solving the problem]

[0007] In order to solve the above problems, the heated tobacco cartridge according to the present invention is an electrically controlled A heated tobacco cartridge that is attached to a heated smoking device equipped with a heating element and used for smoking, a filler accumulation body that generates an aerosol when heated by the heating element; and a mouthpiece. a filter member for filtering the generated aerosol, the filter member having the packing material accumulation and the filter a packaging material wrapped around the outer periphery of the filter member, The radial vector component of the airflow containing the aerosol flowing toward the suction port is changed. It is characterized by having one or more flow change sections that change the flow.

[0008] In addition, in the heated tobacco cartridge according to the present invention, the flow change portion is The radial vector component of the airflow containing the bubbles is changed from the inner periphery to the outer periphery. It is characterized by:

[0009] Furthermore, the cartridge for heated tobacco according to the present invention comprises the cartridge for heated tobacco, The flow change portion is disposed between the packing accumulation and the filter member in the length direction. The flow change portion has a cross-sectional area that increases from the packing accumulation side to the filter member side. The present invention is characterized by having an airflow guide portion formed so as to increase the

[0010] In addition, in the heated tobacco cartridge according to the present invention, the airflow guide portion is in contact with the airflow. The surface is characterized by having an uneven portion.

[0011] In addition, in the heated tobacco cartridge according to the present invention, the flow change portion is The support portion supports the airflow guide portion adjacent to the packing body, and the support portion supports the airflow guide portion. and a through hole communicating with the flow path of the airflow when the filter member is disposed between the body and the filter member. It is characterized by the following.

[0012] In addition, in the heated tobacco cartridge according to the present invention, the filter member is The flow change portion is provided at the end of the filter member on the side of the accumulation body, and the flow change portion is configured to change the flow of the filter member. An airflow guide portion formed so that the cross-sectional area increases from the packing body side toward the suction port side. The present invention is characterized by having the following.

[0013] In addition, in the heated tobacco cartridge according to the present invention, the filter members are The first filter member on the inner periphery side and the second filter member on the outer periphery side, which have different airflow absorption rates, The first filter member is separated by a separating portion that does not allow airflow to pass through, and the first filter member is The airflow is guided by an airflow guide portion formed so that the cross-sectional area increases from the airflow toward the suction port side. It is characterized by forming a change portion.

[0014] The heated tobacco cartridge according to the present invention further comprises the packing material assembly and the filter. The flow change portion is disposed between the member and the adjacent member along the length direction. The airflow passage includes a first flow path member and a second flow path member, the first flow path member passing through the first flow path member in the longitudinal direction. the second flow path member has a first through hole through which the second fluid flows, and the second flow path member is disposed at a circumferential position different from the first through hole. a second through-hole that penetrates in the length direction and through which the airflow flows, and the first through hole and the second through hole are communicated with each other at a portion adjacent to the second flow path member; A convection space is formed so as to direct the airflow from the first through-hole toward the inner circumferential side. It is characterized by being made.

[0015] In the heated tobacco cartridge according to the present invention, the convection space is the airflow from the first through-hole is directed to the second through-hole, The second through holes are arranged to direct the airflow from the convection space toward the outer periphery. It is characterized by the presence of

[0016] In the heated tobacco cartridge according to the present invention, the second flow path member is The gap has a recess on the filter member side. [Effects of the Invention]

[0017] According to the heated tobacco cartridge of the present invention, the flow change portion is configured to change the flow of the aerosol-containing gas. By changing the radial vector component of the airflow, the airflow within the filter element is leveled. This allows the airflow to flow using the entire volume of the filter member, and impurities are removed. It can prevent the air from concentrating in a certain area. It also improves the fluidity of the airflow, making it easier to inhale. This also reduces the influence of impurities on the flow of air. It also helps prevent changes in taste caused by impurities concentrating in certain areas. [Brief explanation of the drawings]

[0018] [Figure 1] 1 is a cross-sectional view of a heated tobacco cartridge having a filler accumulation body in this embodiment. [Figure 2] FIG. 2 is a cross-sectional view showing a usage form of a heated tobacco cartridge. [Figure 3] The side view (Fig. 3(a)) and front view (Fig. 3(b)) of the packing. [Figure 4] FIG. [Figure 5] 5(a) is a cross-sectional view taken along line AA in FIG. 1, and FIG. 5(b) is a cross-sectional view taken along line BB in FIG. 1. [Figure 6] FIG. 10 is an enlarged cross-sectional view of the vicinity of a flow change portion of a second embodiment. [Figure 7] FIG. 10 is an enlarged cross-sectional view of the vicinity of a flow change portion of a fourth embodiment. [Figure 8] FIG. 10 is an enlarged cross-sectional view of the vicinity of a flow change portion of a fifth embodiment. [Figure 9] FIG. 13 is an enlarged cross-sectional view of the vicinity of a flow change portion of the seventh embodiment. [Figure 10] FIG. [Figure 11] FIG. 13 is a cross-sectional view of a heated tobacco cartridge having a flow change portion according to an eighth embodiment. [Figure 12] FIG. 13 is a cross-sectional view of a heated tobacco cartridge having a flow change portion according to a ninth embodiment. [Figure 13] FIG. [Figure 14] FIG. 19 is a cross-sectional view of a heated tobacco cartridge having a flow change portion according to the tenth embodiment. [Figure 15]FIG. 19 is a cross-sectional view of a heated tobacco cartridge having a flow change portion according to the eleventh embodiment. [Figure 16] 16(a) is a view of the first flow path member seen from the filter member side, and FIG. 16(b) is a view of the second flow path member seen from the packing accumulation side. [Figure 17] These are cross-sectional views of the flow change portion, a cross-sectional view taken along the AA section of Figure 16(b) (Figure 17(a)) and a cross-sectional view taken along the BB section of Figure 16(b) (Figure 17(b)). [Figure 18] FIG. 10 is a cross-sectional view of a flow change portion when a recess is provided in a first flow path member. [Figure 19] Cross-sectional view of a heated tobacco cartridge having a flow change portion according to a twelfth embodiment [Figure 20] FIG. [Figure 21] FIG. 13 is a cross-sectional view of a heated tobacco cartridge having a flow change portion according to the thirteenth embodiment. [Figure 22] 22 is a cross-sectional view taken along the line AA in FIG. 21. [Figure 23] 22 is an enlarged view of the vicinity of the boundary between the packing accumulation and the flow change section in FIG. 21. FIG. [Figure 24] FIG. 14 is a cross-sectional view of a heated tobacco cartridge having a flow change portion according to the fourteenth embodiment. [Figure 25] 25 is a cross-sectional view taken along the line AA in FIG. 24. [Figure 26] FIG. 25 is an enlarged view of the vicinity of the boundary between the packing accumulation and the flow change section in FIG. 24. DETAILED DESCRIPTION OF THE INVENTION

[0019] (Overall structure of a heated tobacco cartridge) An embodiment of the present invention will be described in detail with reference to the drawings. 1 shows a cross-sectional view of a heated tobacco cartridge 1 having a filler accumulation 10. As shown in the figure, the heated tobacco cartridge 1 is a substantially cylindrical cartridge filled with a large amount of filler 20. a packing material accumulation 10 having a shape similar to that of a tube, and a support member 12 through which airflow from the packing material accumulation 10 can pass; a flow changer 30 that changes the direction of the airflow from the support member 12; and a suction port 14a at one end. The filter members 14 are arranged along the longitudinal direction and wrapped in a sheet-like packaging material 16. The packaging member 16 can be made of paper or the like. The flow change portion 30 can be made of a resin material. Examples of suitable resin materials include polypropylene, polylactic acid, and silicone. However, the flow change portion 30 may be made of other resin materials, wood, metal (aluminum, etc.) The heated tobacco cartridge 1 may be made of a material other than a resin material, such as The aerosols flowing from the packing material accumulation 10 toward the intake port 14a of the filter member 14 are The direction vector of the airflow is a component in the central axis direction along the length of the heated tobacco cartridge 1. and a radial component of the heated tobacco cartridge 1. a circumferential vector component, which is a circumferential component of the heated tobacco cartridge 1; In this specification, the term "radial vector component" refers to the The direction vector of the airflow containing aerosol flowing through the cartridge 1 was resolved in the radial direction. The radial vector component of the airflow can be either positive or negative. The radial vector component of the flow is directed from the center of the heated tobacco cartridge 1 to the outer periphery. If the flow direction is considered to be the positive direction, it may be the negative direction, moving from the outer periphery to the center. The axial vector component is also calculated from the packing assembly 10 to the intake port 14 of the filter member 14. When the direction of flow toward a is defined as the positive direction, a part of the heated tobacco cartridge 1 The flow direction can be a negative direction from the mouth 14a toward the packing material accumulation 10.

[0020] In this embodiment, the heated tobacco cartridge 1 has a diameter of 6.5 mm to 7.5 mm. The length is formed to be 40 mm to 80 mm. The outer diameter of the heated tobacco cartridge 1 is 6.5 If the range is set to 7.5 mm, the heated tobacco cartridge provided in the heated smoking device 2 The diameter of the cartridge 1 is smaller than that of the insertion part 51 into which the cartridge 1 is inserted. This makes it easier to insert the cartridge into the heated tobacco smoking device 2. If the range is set to 80 mm, the heated tobacco cartridge provided in the heated smoking device 2 1. Therefore, the length of the insertion portion 51 for receiving the heated tobacco cartridge 1 is longer than the length of the insertion portion 51. Even when inserted into the heated smoking device 2, the mouthpiece 14a can be exposed from the heated smoking device 2. This allows the smoker to ensure the length necessary for smoking.

[0021] (Configuration of support member) The support member 12 prevents the packing material accumulation 10 from moving toward the support member 12 side and also prevents the packing material accumulation 10 from moving toward the support member 12 side. The airflow containing the aerosol generated in the packing material accumulation 10 is passed to the filter member 14 side. The support member 12 is provided, for example, in a cylindrical and solid shape, and is filled so that its axial direction is along the central axis. The support member 12 is disposed between the packing material stack 10 and the filter member 14. The support member 12 has an outer diameter of, for example, The diameter is 6.5mm to 7.5mm, and the length along the central axis is 50mm or less. The support member 12 may have dimensions different from those described above depending on the function and configuration as appropriate.

[0022] The support member 12 is made of a resin material. Examples of the resin material that forms the support member 12 include Examples include polypropylene, polylactic acid, and silicone. The material 12 may be other resin material, or wood or metal (aluminum, etc.) that has a greater cooling effect. It may be made of a material other than a resin material.

[0023] (Configuration of filter member) The filter member 14 is formed in a cylindrical shape, for example, with a diameter of 6.5 mm to 7.5 mm and a center The length along the axis is formed to be 50 mm or less. The filter member 14 is made of, for example, paper. The filter member 14 is formed by rolling up a sheet-like member made of paper, for example, into a cylindrical shape. It may be provided in a shape similar to that of a filter, or may include a cellulose acetate filter or the like to remove fine particles. The filter member 14 may filter out the water vapor and aerosols generated in the packing assembly 10. It has the function of filtering out some of the fine particles.

[0024] (Configuration of packing aggregate) The packing material assembly 10 is a sheet-like packing material 20 bundled in the longitudinal direction. The filling material 20 is formed into a substantially cylindrical shape by being wrapped in the packaging material 25. The filler 20 is made from tobacco plants and will be described in detail later.

[0025] The packing mass 10 has a length of 10 to 25 mm. mm or more, the minimum length required to insert the heating element 50 of the heated smoking device 2. Furthermore, if the length of the packing material accumulation body 10 is set to 25 mm or less, the heating type A length is ensured that allows the heat from the heating element 50 of the smoking accessory 2 to reach every corner of the filler 20. The heated tobacco cartridge 1 can be configured to fit the shape of the heated smoking device 2. The dimensions may vary depending on the material.

[0026] The outer diameter of the packing assembly 10 is equal to the outer diameter of the support member 12 and the filter member 14. The outer diameter is approximately constant along the central axis. The range of 0.5 mm is preferable, and the range of 5.0 mm to 7.0 mm is more preferable. If the diameter is set to 4.0 mm or more, the minimum required amount of aerosol can be generated. In addition, if the outer diameter is set to 5.0 mm or more, a sufficient amount of aerosol can be generated. Furthermore, if the outer diameter is set to 7.5 mm or less, the heated smoking device 2 can be filled with Furthermore, if the outer diameter is set to 7.0 mm or less, the processing The filler accumulation 10 can be easily attached to the thermal smoking device 2.

[0027] (How heated tobacco cartridges are used) FIG. 2 shows a cross-sectional view of the heated tobacco cartridge 1 in use. The tobacco cartridge 1 is used by being attached to a heated smoking device 2. The heated tobacco cartridge 1 has an insertion portion 51 into which the heated tobacco cartridge 1 is inserted. The needle is inserted into the packing material assembly 10 of the inserted heated tobacco cartridge 1. The heating element 50 is provided inside the heated smoking device 2. The heating element 50 is electrically controlled by a control unit provided in the packing assembly 10. When the packing material is inserted, it generates heat and generates aerosol from the packing material. In this state, when a smoker inhales through the filter member 14, the aerosol It is possible to suck in an airflow containing

[0028] (Filling composition) FIG. 3 shows a side view (FIG. 3(a)) and a front view (FIG. 3(b)) of the packing 20. As described above, the filler 20 is formed in an elongated shape. In the orthogonal cross section, the dimension a in the long side direction is longer than the dimension b in the short side direction. FIG. 4 shows a front view of the packing assembly 10. The packing assembly 10 is made up of a number of The packing 20 in the outer periphery is formed by accumulating the packing 20 along the circumferential direction. Most of the packings 20 in the center are arranged so that their long sides overlap each other. Groups are formed, and voids are formed between the packing groups.

[0029] Filler 20 is a dried and crushed non-tobacco plant that generates an aerosol. Formers, microcrystalline cellulose, flavor additives, preservatives, adhesives or thickeners, etc. The mixture is mixed, formed into a sheet, and then cut to a predetermined width and length. The filler 20 is not limited to a long shape, and may have various shapes. For example, it may be formed into a paste or granules.

[0030] When the filler 20 is configured in a long shape, the cross section perpendicular to the central axis is approximately rectangular. The ratio of the long side to the short side of the cross section is preferably in the range of, for example, 1:1 to 30:1. The length is preferably in the range of 0.1 mm to 7.5 mm, more preferably 0.1 mm to The length of the short side is preferably in the range of 0.1 mm to 1.0 mm, and more preferably in the range of 0.1 mm to 1.0 mm. More preferably, the length of the filler 20 is in the range of 0.1 mm to 0.5 mm. It is preferable that the length of the packing 20 is approximately the same as that of the aggregate 10. The length of the packing 20 is 10 mm to 25 mm. The range is preferably 10 mm to 20 mm, and more preferably 10 mm to 20 mm. An example of the dimensions of the object 20 is 1.5 mm long, 0.3 mm short, and 12 mm long. is.

[0031] Next, specific examples of the raw materials used as the filler 20 will be described. It consists of any one or more combinations of the ingredients listed below.

[0032] The filler 20 may be derived from tobacco or non-tobacco plants. Examples of non-tobacco plants include baco leaves, tobacco stems, expanded tobacco, and homogenized tobacco. Plants other than tobacco plants are also included. Preferred parts of non-tobacco plants include leaves, flesh, Seeds, roots (scaly roots, tubers, etc.), stems, tubers, skins (stem bark, bark, etc.), flowers (petals, stamens, pistils, etc.) , trunks, branches, etc.

[0033] In this specification, "plants" refers to a group of plants, such as grass and trees, as opposed to animals. In addition to organisms that have roots and live in fixed locations, there are also organisms such as microalgae and seaweed. This also includes algae, mushrooms, and other fungi.

[0034] The filler 20 may be, for example, a dried and crushed non-tobacco plant material that is filled with an aerosol-generating air. Aerosol formers, microcrystalline cellulose, additives to add flavor, preservatives, binders or thickeners Mix with adhesives etc. as needed, crush or classify to make powder or granules, or mold into a paste. The aerosol-forming substrate 23 is formed into a sheet shape and then cut to a predetermined width and length. The material is cut into strips or rods so as to have a desired thickness.

[0035] For example, when the non-tobacco plant part is a leaf, tea can be preferably used. Not only are the plants that produce tea different, but even the same plants can produce different teas depending on how they are processed. Specifically, for example, Japanese tea, black tea, Angelica keiskei tea, sweet tea, Gynostemma tea, aloe tea, Ginkgo leaf tea, oolong tea, turmeric tea, salicylic acid tea, Eleuthero tea, plantain tea, Kiodoshi tea, persimmon leaf tea, chamomile tea, chamomile tea, Kawara Ketsumei tea, quince tea, chrysanthemum tea, Gymnema tea, guava tea, wolfberry tea, soft leaf tea, black bean tea, geranium herb tea, brown rice tea, burdock Tea, comfrey tea, bifu tea, cherry blossom tea, saffron tea, shiitake tea, shiso tea, jasmine tea, Ginger tea, horsetail tea, lily of the valley tea, Swertia japonica tea, buckwheat tea, elm tea, dandelion tea, sweet Tea, Houttuynia cordata tea, Eucommia tea, Sword bean tea, Elderberry tea, Licorice tea, Job's tears tea, Habu tea , Loquat leaf tea, Pu'er tea, Safflower tea, Pine needle tea, Mate tea, Barley tea, Megusurinoki tea, Mugwort tea These teas include eucalyptus tea, monk fruit tea, rooibos tea, and bitter melon tea. You can use used tea leaves after drinking. If you use used tea leaves, you can reuse expensive tea. It can be used effectively.

[0036] Furthermore, extracts of non-tobacco plants, so-called extracts and processed products, can also be used. The extract may be in the form of liquid, syrup, powder, granules, solution, etc.

[0037] The aerosol former used as the raw material for the filler 20 is glycerin, propylene glycol, , sorbitol, triethylene glycol, lactic acid, diacetin (glycerin diacetate) ), triacetin (glycerin triacetate), triethylene glycol diacetate , Triethyl citrate, Isopropyl myristate, Methyl stearate, Dodecanedio dimethyl phosphate, dimethyl tetradecanedione, etc. Phosphorus and propylene glycol are preferred.

[0038] The microcrystalline cellulose used as the raw material for the filler 20 is, for example, a material obtained from the pulp of a fibrous plant. It is obtained by partially depolymerizing α-cellulose with acid, and The soluble portion is removed from the base, and the insoluble portion is crystallized as appropriate.

[0039] The microcrystalline cellulose may be in the form of powder or may be dispersed in a solvent such as water to form a suspension. In this case, a high-speed stirrer or a high-pressure homogenizer can be used to disperse the material in the solvent.

[0040] Furthermore, if necessary, a flavor additive may be preferably used as an ingredient of the filling 20 to add flavor. Flavoring additives include mint, cocoa, coffee, black tea extract, and tea extract. Preservatives that are used in food are preferred, for example, , sorbic acid, potassium sorbate, benzoic acid, sodium benzoate, etc.

[0041] The filler 20 contains menthol and a water-insoluble cross-linked polymer (preferably polyvinyl polyimide). lolidone) may be included. Combining menthol with a water-insoluble cross-linked polymer This effectively prevents menthol from sublimating, allowing the menthol flavor to be maintained for a long period of time. Here, menthol is not limited to that obtained from natural products, but may also be a synthetic product. Peppermint, mint, peppermint oil, and other menthol-containing ingredients may also be used.

[0042] The flavor additive may be added to the filter element 14 by, for example, impregnating the wall of the filter element 14. The flavor additive is provided in the filter member 14. The present invention is not limited to such an embodiment, and may be embodied, for example, by attaching a capsule containing the flavor additive to a filter portion. The flavor additive is provided in the filter element 14 by being embedded in the wall of the filter element 14. Alternatively, a flavor additive may be provided between the filter member 14 and the packing material accumulation 20. The flavor additive may be encapsulated in a capsule. If the capsule is broken, the smoker can destroy it by pressing it with his fingers. This makes it possible to volatilize the aromatic components of the flavor additive at a desired timing.

[0043] Furthermore, the flavor additive may be, for example, encapsulated in a microcapsule. The microcapsules may be provided in the packing assembly 10. may be provided on the support member 12.

[0044] Examples of binders or thickeners used as raw materials for the filling 20 include guar gum and xanthan gum. gums such as gum arabic and locust bean gum, e.g., hydroxypropylcellulose; cellulose, carboxymethyl cellulose, hydroxyethyl cellulose, methyl cellulose cellulose binders such as starch, alginic acid, etc. Organic acids, sodium alginate, sodium carboxymethylcellulose, caramel, Polysaccharides such as conjugate base salts of organic acids such as agar and pectin, and combinations thereof Examples include:

[0045] (Filling manufacturing process) The manufacturing process of the filling material 20 involves drying and grinding the main raw material, tobacco plants or non-tobacco plants. The drying and crushing process involves pre-processing, weighing, etc. of other raw materials, and the preparation process involves pre-processing, weighing, etc. of other raw materials. The method includes a mixing step of mixing ingredients to form a composition, and a filling molding step of molding the composition.

[0046] In the drying and grinding process, the main raw material, tobacco plant or non-tobacco plant parts (e.g. (e.g., leaves, seeds, dried fruits, stems, bark, roots, etc.) are processed into a specified crushed material to make a composition. At that time, the aerosol former, water, and other components that will be added later will be absorbed or supported. It is preferable to adjust the moisture content to a level that is convenient for drying. By setting the temperature in this range, it is possible to avoid the scattering of the necessary flavor components while maintaining the desired flavor. It is easy to achieve the desired moisture content. Furthermore, the drying and grinding process includes a sieving process to sift the ground material. It is also possible to provide a powder with a desired particle size and then add it to the mixing step.

[0047] In the preparation step, the raw materials necessary for producing the filling 20 can be prepared. The microcrystalline cellulose is weighed in the preparation step and then added to the mixing step.

[0048] In the mixing step, a conventional mixer can be used. For example, A preferred mixing method is to mix the ingredients while applying shear force with a stirring blade.

[0049] In the filling molding process, the composition of the various raw materials is formed into a thin sheet, which is then cut. By cutting, strip-shaped or rod-shaped fillers 20 are formed. In order to achieve a uniform distribution of the material, multiple roll mills are prepared. The material is compressed by being pressed between the rolls and sheared by the difference in roll speed, resulting in kneading, dispersion, etc. While performing the above steps, it is possible to form a sheet of the desired thickness using a doctor blade. It is also possible to prepare the film by using a press roller or a press machine.

[0050] To prepare the powder or granular filler 20, the above composition is crushed or pulverized as appropriate. It is preferable to classify the powder or granular filler 20. The average particle size of the powder or granular filler 20 is, for example, It is preferably 0.1 to 3.0 mm, and more preferably 0.5 mm or less. The average particle size can be determined, for example, by the sieving method described in JIS K 0069:1992. In other words, this average particle size is calculated based on the test results using multiple sieves. The diameter is calculated by adding up the mass from the larger one and then measuring 50% of that mass. The particle size at 50% of the cumulative value in the particle size distribution obtained by the laser diffraction and scattering method was taken as the average particle size. You can do that.

[0051] In the filling molding process, the composition is forced through an orifice under pressure to form a shape similar to other processes. In the filling forming step, non-tobacco plants, aerobic plants, etc. may be used as needed. Solformer, binder or thickener, flavor additive, preservative, etc. may be further added. Water or the like may be added.

[0052] The thickness of the sheet obtained in the filling molding step is preferably in the range of 0.1 mm to 1.0 mm. The thickness is preferably in the range of 0.1 mm to 0.5 mm. The sheet is then cut to a predetermined width using a rotary cutter or the like.

[0053] Here, when the surface of the filler 20 is to be made sticky, any means capable of making the surface sticky can be used. Although there is no particular limitation, it is sufficient if the above-mentioned binder is attached to at least a part of the surface. By adding the filling material, a strip-shaped or rod-shaped filling material 20 and a powder-shaped, granular or paste-shaped filling material 2 When combined with the filler 20, powder, granules or paper are applied to the surface of the strip or rod-shaped filler 20. The filler 20 in a staggered shape can be stably held.

[0054] (Configuration of the flow change portion of the first embodiment) Figure 5(a) shows the AA cross section of Figure 1, and Figure 5(b) shows the BB cross section of Figure 1. The support member 12 has four through holes 12a arranged along the circumferential direction. The shape, number, size and position of the through holes 12a of the member 12 are not limited to those described above, and may be selected as appropriate for the embodiment. The shape, number, size and position of the flow change portion 30 can be set as appropriate. The top surface is located on the support member 12 side and the bottom surface is located on the filter member 14 side. In this example, the end of the flow change section 30 is in contact with the end face of the support member 12. For example, the top of the flow change portion 30 may be formed on the end surface of the support member 12. A hole for receiving the flow change portion 30 may be provided so that the flow change portion 30 fits into the hole.

[0055] As shown in FIG. 1, the flow change section 30 is formed from the packing accumulation 10 side to the filter member 14 side. The airflow guide portion 32 is formed so that the cross-sectional area increases toward the center. The flow path from the outlet of the support member 12 on the filter member 14 side to the filter member 14 is The center side narrows toward the member 14 side. The aerosol-containing air flows along the length of the filter member 14 toward the suction port 14a. The flow change section 30 changes the radial vector component of the flow. In this way, in the flow change section 30, the radial vector component of the airflow is directed from the inner periphery side to the outer periphery side. The flow change section 30 changes the flow in the length direction of the heated tobacco cartridge 1. The thickness is formed to 70 mm or less. In this example, it is formed to, for example, 8.0 mm. However, the flow change portion 30 may be formed with other length dimensions. The outer diameter at the point where it contacts the end face of the filter member 14 is less than 7.5 mm, preferably 3. If the outer diameter is set to 3.5 mm or more, the outer diameter of the filter member 14 It allows more airflow to flow to the periphery. Also, if the outer diameter is set to 5.0 mm or less, The size of the flow path required for the airflow can be ensured sufficiently.

[0056] The flow change portion 30 causes the airflow from the packing accumulation 10 side to flow through the outer peripheral region of the filter member 14. The air flows into the filter member 14 and then flows toward the intake port 14a and gathers in the center. Therefore, the air flows through the entire volume of the filter member 14, and impurities are concentrated. In this way, the airflow inside the filter member 14 is leveled, thereby preventing the air from concentrating in the area. By doing so, the fluidity of the airflow can be improved, making it easier to inhale, and the In addition, the influence of impurities concentrating in a part of the filter member 14 can be reduced. It also reduces the change in taste caused by

[0057] (Configuration of the flow change portion of the second embodiment) FIG. 6 shows an enlarged cross-sectional view of the flow change portion 60 and its vicinity in the second embodiment. The filter 14 is disposed between the support member 12 and the filter member 14, and is inserted into the filter 14 from the packing assembly 10 side. The airflow guide portion 61 is formed so that the cross-sectional area increases toward the filter member 14 side. The airflow guide portion 61 has an uneven portion 62 on the surface that comes into contact with the airflow containing aerosol. The flow change section 60 of this example has the same configuration as the airflow section 61 except that the airflow section 61 has the uneven portion 62 on its surface. are all common to the flow change section 30 of the first embodiment. In this embodiment, the uneven section 62 is an airflow guide section. The uneven portion 62 is formed in a protruding shape from the surface of the circumferential surface 61. Alternatively, a plurality of independent protrusions may be formed. By providing the uneven portion 62 on the surface of the airflow guide portion 61, the airflow Since the flow can be made to flow into the filter element 14 in a more diffused state, the filter element In Figure 6, the airflow can be guided over a wider area than that of the heated tobacco car. Two uneven portions 62 are arranged in the longitudinal direction of the cartridge 1, and each uneven portion 62 is an airflow guide portion 61. The protrusion height from the surface of the airfoil is different, but is not limited to this, and is suitable for diffusing airflow. For example, the height of the protrusion of the uneven portion 62 on the side closer to the support member 12 can be set appropriately. The airflow containing the aerosol passing through the through holes 12a provided in the support member 12 is directed toward the outer periphery. The uneven portion 62 can be provided at a position where the direction of the uneven portion 62 changes. The shape, number, dimensions and positions are not limited to those in this example, and any shape, number, dimensions and positions can be set as appropriate. can.

[0058] (Configuration of the flow change portion of the third embodiment) The flow change section 30 of the first embodiment is configured such that the flow changes from the packing accumulation 10 side to the filter member 14 side. However, the shape of the flow change portion is not limited to this. Formed in a substantially cylindrical shape with no change in cross-sectional area from the packing accumulation 10 side to the filter member 14 In this case, an uneven portion may be formed on the peripheral surface of the flow change portion, and the uneven portion The radial vector component of the airflow from the packing accumulation 10 is changed from the inner periphery side to the outer periphery side. In this example, the flow change portion has a cross-sectional area that changes along the length. The configuration is the same as that of the flow change portion 60 of the second embodiment except that it is formed in a substantially cylindrical shape that does not change. do.

[0059] (Configuration of the flow change portion of the fourth embodiment) FIG. 7 shows an enlarged cross-sectional view of the flow change section 80 and its vicinity in the fourth embodiment. The support member 12 is not provided. The flow change section 80 is adjacent to and supports the packing accumulation 10. The filter member 14 includes a support portion 83 and an airflow guide portion 81 disposed between the support portion 83 and the filter member 14. The support portion 83 and the airflow guide portion 81 are integrally formed. The length in the longitudinal direction is formed to be 70 mm or less. In this example, it is formed to be, for example, 8.0 mm. Of course, the flow change portion 80 may be formed with a length other than the above. The ratio of the length of the support portion 83 to the length of the airflow guide portion 81 in the longitudinal direction is 1:9 to 9:1. The ratio of the length of the support portion 83 to the length of the airflow guide portion 81 is, for example, 1:9. The support portion 83 has through holes 84 arranged in the same manner as the support member 12. The shape, number, size and position of the through holes 84 may be determined in accordance with the shape, number and size suitable for the embodiment. The airflow guide portion 81 is arranged on the packing accumulation 10 side by the filter member The cross-sectional area of ​​the packing material 10 increases toward the packing material 14 side. After passing through the through-holes 84 of the support portion 83, the airflow is guided by the airflow guide portion 81 to the filter member 14. The airflow is guided to the outer peripheral region of the filter member 14. The outer diameter is less than 7.5 mm, preferably 3.5 mm to 5.0 mm. mm or more, a larger airflow can be directed toward the outer periphery of the filter member 14. In addition, if the outer diameter is set to 5.0 mm or less, the size of the flow path required for airflow can be reduced. In this way, the flow change portion 80 functions as a support member. In addition, a recessed portion that does not penetrate the packing assembly 10 may be formed on the surface of the support portion 83 facing the packing assembly 10. The airflow from the packing accumulation 10 enters the recessed portion, and impurities contained in the airflow are removed. A part of the filter member 14 can be attached to the recessed portion. The shape, number, dimensions and position of the recesses that do not penetrate the hole can be reduced. This can be set appropriately depending on the embodiment.

[0060] (Configuration of flow change portion of fifth embodiment) FIG. 8 shows an enlarged cross-sectional view of the flow change portion 90 and its vicinity in the fifth embodiment. 0 has an airflow guide portion 91 and a support portion 93, and the support portion 93 has a through hole The shape, number, size and position of the through holes 94 are not particularly limited, and may be set as needed. The airflow guide portion 91 has an uneven portion 92 formed on its surface. This allows the airflow from the packing accumulation 10 to be more diffused. The configuration of the airflow guiding portion 91 is the same as that of the fourth embodiment except that the airflow guiding portion 91 has an uneven portion 92 on the surface thereof. 8, the length of the heated tobacco cartridge 1 is the same as the flow change section 80 of the embodiment. Three uneven portions 92 are arranged in the vertical direction, and each uneven portion 92 is a protrusion from the surface of the airflow guide portion 91. However, this is not limited to this, and the protruding height may be set appropriately to be suitable for diffusing the airflow. In addition, the shape, number, dimensions and position of the uneven portion 92 are not limited to those in this example. The shape, number, dimensions and position of the support portion 93 can be set as desired. A recessed portion that does not penetrate the packing assembly 10 may be formed on the surface of the packing assembly 10. The airflow from the substance accumulation body 10 enters and some of the impurities contained in the airflow adhere to the recessed portion. This allows for less impurities to accumulate in the filter member 14. do.

[0061] (Configuration of the flow change portion of the sixth embodiment) The flow change portion 90 of the fifth embodiment is configured such that the flow changes from the packing accumulation 10 side toward the filter member 14 side. However, the shape of the flow change portion is not limited to this. The cross-sectional area of ​​the filter member 14 does not change from the packing material accumulation 10 side to the filter member 14 side. In this case, an uneven portion may be formed on the peripheral surface of the flow change portion, and the uneven portion may cause the packed material to gather. The radial vector component of the airflow from the stack 10 is changed from the inner periphery side to the outer periphery side. In addition, a recess may be formed on the surface of the support portion facing the packing assembly 10. The airflow from the packing accumulation 10 enters the recessed portion, and some of the impurities contained in the airflow are carried into the recessed portion. This reduces the amount of impurities that accumulate on the filter member 14. In this example, the flow change portion 90 has a cross-sectional area of ​​1 / 2 mm along the length direction. The configuration is the same as that of the flow change portion 80 of the fifth embodiment except that it is formed in a substantially cylindrical shape with no change in the flow. Pass.

[0062] (Configuration of the flow change portion of the seventh embodiment) 9 shows an enlarged cross-sectional view of the flow change portion 110 and its vicinity in the seventh embodiment. 110 is disposed adjacent to the filter member 14. Also, the support member 12 and the flow change A convection space 113 is formed between the support member 12 and the gasification section 110. The number, dimensions, and positions are not limited to those shown here and can be set appropriately depending on the embodiment. 1 shows a front view of the flow change section 110. The flow change section 110 has a circular shape that forms the outer shape. The peripheral region of the flow path 110 has an inner peripheral hole 111 and an outer peripheral hole 112. The portion 110 is formed so that the length in the length direction of the heated tobacco cartridge 1 is 5.0 mm or less. In this example, the flow change portion 110 is formed to a thickness of, for example, 3.0 mm. The outer diameter of the filter member 14 at the position where it contacts the end face is less than 7.5 mm. The length of the flow change portion 110 is the same as the outer diameter. The inner peripheral hole portion 111 may be a small-diameter round through hole disposed near the center of the flow change portion 110. The outer peripheral hole portion 112 is an elliptical through hole disposed on the outer periphery side of the inner peripheral hole portion 111. The inner peripheral hole portion 111 and the outer peripheral hole portion 112 are each arranged in a plurality along the circumferential direction. As shown in FIG. 9, the airflow from the packing accumulation 10 side flows into the convection space 113 and then The air flows into the filter member 14 through the flow change portion 110. The outer peripheral hole portion 111 and the outer peripheral hole portion 112 are both formed in an area that does not include the central axis of the filter member 14. In addition, since the outer peripheral hole portion 112 has a larger area than the inner peripheral hole portion 111, the convection space More airflow is guided from the portion 113 to the outer periphery of the filter member 14. The radial vector component of the flow changes from the inner circumferential side to the outer circumferential side, and the flow flows into the filter member 14. By providing the flow space portion 113, the radial direction of the air flow from the packing accumulation 10 side is The spectral components are easily changed, and the airflow can be reliably guided to the outer peripheral region of the filter member 14. The shape, number, dimensions and positions of the inner peripheral hole portion 111 and the outer peripheral hole portion 112 are not particularly limited, and may be changed as necessary. The length of the convection space 113 in the longitudinal direction can be set to 80 mm or more. A length suitable for the embodiment can be set appropriately within the range below.

[0063] (Configuration of the flow change portion of the eighth embodiment) FIG. 11 shows a heated tobacco cartridge 1 having a flow change portion 120 according to the eighth embodiment. The packing stack 10 is adjacent to a support member 12, which is provided with a flat The filter member 14 is adjacent to the support member 12. The shape, number, size and position of the through holes of the support member 12 are The filter member 14 is not limited to this, and can be appropriately set depending on the embodiment. The flow change portion 120 is provided at the end adjacent to the support member 12 on the body 10 side. The section 120 has a cross-sectional area that is gradually increased from the packing accumulation 10 side of the filter member 14 toward the mouthpiece 14a side. The flow change section 120 has a conical airflow guide section 121 formed so that the flow change section 120 is large. The filter member 14 is attached to the end surface of the packing material accumulation body 10 of the heated tobacco cartridge 1. The angle is greater than 0° and less than 90° relative to the longitudinal centerline. If the angle of the portion 120 is set to a range greater than 0° and less than 90°, the filter member 14, the packing material 10, and the packaging member 16 can form a convection space therebetween, A part of the airflow is guided to the outer periphery along the end face of the filter member 14 in the convection space, The flow change section 120 can have a large amount of airflow toward the outer periphery of the filter 14. The angle of the flow change section 120 is The angle can be set appropriately according to the embodiment. 2, and the radial vector component is shifted from the inner circumferential side by the flow change portion 120 of the filter member 14. The air changes direction from the outside toward the outer periphery and is guided to the outer periphery of the filter member 14. The flow change portion 120 may also be provided in the filter member 14. In this example, the flow change portion 120 is The end of the support member 12 is in contact with the end surface of the support member 12, but is not limited to this. For example, a hole for receiving the top of the flow change portion 120 may be provided on the end surface of the support member 12. The ends of the portions 120 may be fitted together.

[0064] (Configuration of flow change portion of 9th embodiment) FIG. 12 shows a heated tobacco cartridge 1 having a flow change portion 130 according to the ninth embodiment. The filter member 14 is made up of a first filter member 131 on the inner circumferential side and a first filter member 132 on the inner circumferential side. The second filter member 132 on the outer periphery has a higher airflow absorption rate than the first filter member 131. and a separation section 133 provided between the first filter 131 and the second filter 132 to prevent additional airflow. The separator 133 is made of a material that is impermeable to the airflow containing the aerosol. The material for forming 33 may be, for example, paper, polypropylene, polylactic acid, silicone, wood, etc. Examples of materials include a material such as a metal (aluminum, etc.). The filter member 14 has a first filter element 14a extending from the center to the outer periphery. The separator 131, the separator 133, and the second filter member 132 are arranged concentrically. In this example, the first filter member 131 is wrapped around its outer periphery with a sheet-like member. However, it is not limited to a sheet-like member, and may be a cylindrical member. The second filter member may be formed in a shape similar to that of the first filter member, and the second filter member may be fitted onto the inner peripheral surface of the second filter member. The filter member 132 is formed in a cylindrical shape, and the inner circumferential surface of the second filter member 132 is provided with a separating portion 1. The outer peripheral surface of the first filter 33 is fitted to form the filter member 14. The area ratio of the cross section perpendicular to the central axis of the first filter member 131 and the second filter member 132 is 1:9 to 9:9. :1, and in this example, it is formed to, for example, 1:1. Of course, the first filter member 131 The area ratio of the first filter member 132 to the second filter member 132 may be other ratios.

[0065] The support member 12 and the filter member 14 are spaced apart in the longitudinal direction, and the convection space 1 The convection space 134 and the filter member 14 form the flow change section 130. The airflow from the packing accumulation 10 side enters the convection space 134, from which A large amount of airflow flows into the second filter member 132 on the outer periphery, which has a high airflow absorption rate, and the second filter member 132 on the inner periphery The remaining airflow flows into the filter 131. Since more air flows on the outer periphery of the filter member 14, the radial vector component of the air flow is The shape, number, and shape of the through holes of the support member 12 can be changed in the direction from the center to the outer periphery. The dimensions and positions are not limited to those described above and can be set appropriately depending on the embodiment. The length of the portion 134 in the longitudinal direction is set appropriately within a range of 80 mm or less to suit the embodiment. can.

[0066] (Configuration of flow change portion of 10th embodiment) FIG. 14 shows a heated tobacco cartridge 1 having a flow change portion 140 according to the tenth embodiment. The filter member 14 is made up of a first filter member 141 on the inner circumferential side and a second filter member 142 on the outer circumferential side. The second filter member 142 has a first filter and a separating portion 143. The support member 12 and the filter member 14 are adjacent to each other. The first filter member 141 on the inner circumferential side is in contact with the intake port 14a from the packing accumulation 10 side. The airflow guide portion 145 is formed so that the cross-sectional area increases toward the flow change portion 1. 40 is formed. As a result, the airflow from the packing accumulation 10 side is directed from the support member 12 When the air flows through the filter member 14, the flow change portion 140 changes the radial vector component to the inner circumferential side. The flow rate of the first filter member 141 changes from the direction toward the outer periphery and is guided by the outer periphery. The area ratio of the cross section perpendicular to the central axis of the second filter member 142 is 1:9 to 9:1. In this case, the ratio is, for example, 1:1. Of course, the first filter member 141 and the second filter member The area ratio of the support member 12 may be other than the above ratio. The dimensions and positions are not limited to these and can be set appropriately depending on the embodiment. The member 14 has a structure other than that the first filter member 141 is provided with an airflow guide portion 145. The entire configuration is the same as that of the filter member 14 of the ninth embodiment.

[0067] (Configuration of flow change portion of 11th embodiment) FIG. 15 shows a heated tobacco cartridge 1 having a flow change portion 150 according to the eleventh embodiment. The flow change section 150 is a cross-sectional view of the packing assembly 10 and the filter member 14. The first flow path member 151 and the second flow path member 155 are disposed between the first flow path member 151 and the second flow path member 155 adjacent to each other along the length direction. The outer diameter of the first flow path member 151 and the second flow path member 155 is 7.5 mm or less, The combined length of the adjacent first flow path member 151 and second flow path member 155 is 70 mm. In this example, the first flow path member 1 is formed to have a length of 15.0 mm. The ratio of the length of the second flow path member 155 to the length of the first flow path member 51 is 1:9 to 9:1. Of course, the length and the length of the first flow path member 151 and the second flow path member 155 are The length and area ratio may be other than those.

[0068] As shown in FIG. 16(a) and FIG. 17(a), the first flow path member 151 has a through hole extending in the length direction. The first flow passage portion 152 has four first through holes 152 in the circumferential direction through which the airflow flows. The cross section of the first through hole 152 in a cross section perpendicular to the central axis of the member 151 is substantially rectangular. The size of the second flow path member 151 is set to 3.5 mm or less on one side. The end surface adjacent to the flow path member 155 has a pair of spaces that connect the first through holes 152 to each other. In this example, the radial size of the convection space 153 is is formed to a diameter of less than 7.5 mm, for example, 4.0 mm.

[0069] As shown in FIG. 16(b) and FIG. 17(b), the second flow path member 155 has a through hole extending in the length direction. The second through-holes 156 are provided in the circumferential direction, and four of the second through-holes 156 are provided through which the first airflow flows. In a state where the flow path member 151 and the second flow path member 155 are adjacent to each other, the first through-hole 152 and the second through-hole 155 are different in the circumferential direction. In this example, the second flow path member 155 is disposed at an angle perpendicular to the central axis of the second flow path member 155. The cross section of the second through hole 156 is substantially rectangular, and each side is 3.5 mm long. m or less. On the end surface of the side, a convection space 157 is formed in a space-like shape that connects the second through holes 156 to each other. In this example, the radial size of the convection space 157 is less than 7.5 mm in diameter. For example, the diameter is 4.0 mm.

[0070] By arranging the first flow path member 151 and the second flow path member 155 adjacent to each other, the convection space between the two members is 153 and 157 are continuous, and the first through-hole 152 and the second through-hole 156 are in communication with each other. The combined length of the convection space 153 and the convection space 157 is less than 70 mm, for example. 3.0 mm. Of course, it may be formed with a length and ratio other than this. The airflow from the first flow path member 151 flows into the first through-hole 152 of the first flow path member 151. Since the first through-hole 152 is located on the outer periphery of the flow change section 150, the airflow from the first through-hole 152 In the convection spaces 153 and 157, the air flows toward the inner periphery. The airflow enters the second through-hole 156. The second through-hole 156 is connected to the flow change section 150. Since the air is located on the outer periphery of the convection space 153, 157, the air flows into the second through-hole 156. The airflow flows toward the outer periphery of the flow change section 150. 3, 157, the radial vector component of the airflow is changed, and the airflow is directed to the outer periphery of the filter member 14. Airflow can be introduced.

[0071] The number, shape, size and position of the first through holes 152 and the second through holes 156 in the circumferential direction, The angle formed between the first through-hole 152 and the second through-hole 156 in the circumferential direction is not limited to this example, and may be arbitrarily set. can be set to.

[0072] The convection space 157 of the second flow path member 155 is formed in the center of the second flow path member 155. The airflow that has flowed into the convection space 157 flows through the wall of the concave portion 158. This causes some of the impurities in the airflow to adhere to the wall surface 158a, Impurities reaching the filter member 14 can be reduced.

[0073] As shown in FIG. 18, a recess 154 is formed on the end surface of the first flow path member 151 on the packing accumulation 10 side. This allows some of the impurities contained in the airflow from the packing accumulation 10 to be absorbed into the recesses. It can be attached to 154.

[0074] (Configuration of flow change portion of 12th embodiment) Next, the flow change portion 160 of the twelfth embodiment will be described. 1 shows a cross-sectional view of a heated tobacco cartridge 1 having a flow change portion 160. 20 shows a front view of the flow change section 160. The flow change section 160 is The shape, number, size and thickness of the through holes of the support member 12 are The length and position of the flow change portion 160 are not limited to this and can be set appropriately depending on the embodiment. A plurality of through holes 161 are provided in the circumferential direction on the outer periphery. A conical recess 162 is formed at the end of the packing assembly 10 on the support member 12 side. The airflow from the inner circumferential side flows toward the through-hole 161 located on the outer circumferential side of the recess 162. Also, part of the airflow flows toward the deepest part of the large recess 162, Some of the impurities adhere to the recesses 162. This reduces the amount of impurities that reach the filter member 14. In FIG. 19, the recess 162 is formed so that the filler is inserted from the packing assembly 10 side. The cross-sectional area is formed to become smaller toward the filter member 14 side, but is not limited to this. Any shape suitable for allowing some of the impurities to adhere to the recesses can be used. For example, The recesses may have a square cross section or an arc cross section. The amount is not limited, and any position and quantity can be used as appropriate. The shape, number, size and position of the through-holes 161 provided in the portion 160 are not limited to those described above, and in practice This can be set appropriately depending on the embodiment.

[0075] (Configuration of flow change portion of 13th embodiment) FIG. 21 shows a heated tobacco cartridge 1 having a flow change portion 170 according to the thirteenth embodiment. 22 shows a cross-sectional view of the flow path AA in FIG. The filter unit 170 is disposed between the packing assembly 10 and the filter member 14 and is made up of a number of cylindrical members. The cylindrical members 171 are arranged in a stack. A gap 174 is formed between the material 171 and the packaging member 16, and the packing material 10 The cylindrical member 171 is a flow path for the airflow. In this example, it is formed to 8.0 mm. The columnar member 171 may be formed with other length dimensions. If the outer diameter is set to less than 3.5 mm, a large number of cylindrical members 171 can be integrated. The voids 174 can be dispersed from the center to the periphery.

[0076] As shown in FIG. 23, a wall portion 172, which is the end surface of the cylindrical member 171 on the packing accumulation 10 side, , adjacent to the packing pile 10, and the air flow from the packing pile 10 proceeds along the length direction. Therefore, the airflow passes through the gap 17 while changing its radial vector component. 4. In this way, the flow rate from the flow change section 170 increases toward the outer periphery of the filter member 14. Since the airflow can flow in a wide range, the radial vector component of the airflow is directed from the inner periphery to the outer periphery. It can change in this direction.

[0077] The cylindrical member 171 is made of a resin material such as polypropylene or polylactic acid, or a metal material such as aluminum. As the airflow from the packing accumulation 10 flows toward the filter member 14, The air is gradually cooled by contacting the surface of the cylindrical member 171. A part of the air adheres to the cylindrical member 171. As a result, the temperature of the air flow in the filter member 14 This reduces the concentration of impurities and reduces the amount of impurities that reach the filter member 14.

[0078] (Configuration of flow change portion of 14th embodiment) FIG. 24 shows a heated tobacco cartridge 1 having a flow change portion 180 according to the fourteenth embodiment. 24. Also, FIG. 25 shows a cross section taken along the line AA in FIG. 24. The flow change section 180 is arranged in the same manner as the flow change section 170 of the thirteenth embodiment, and is made up of a number of cylindrical portions. The cylindrical member 181 has a hollow portion 183, and is formed by accumulating a plurality of materials 181. In addition, the space between the adjacent cylindrical members 181 and between the cylindrical member 181 and the packaging member The gap 184 formed between the cylindrical member 16 also serves as a flow path for the airflow. The configuration other than that 81 has a hollow portion 183 is the same as that of the thirteenth embodiment.

[0079] As shown in FIG. 26, in this example, the wall, which is the end face of the cylindrical member 181 on the packing accumulation 10 side, The portion 182 prevents the airflow from flowing in the longitudinal direction, and the airflow changes its radial vector component. The flow changes in the flow change section 184 and the hollow section 183. 80 allows more airflow to flow toward the outer periphery of the filter member 14, The radial vector component can change in a direction from the inner periphery side to the outer periphery side.

[0080] The cylindrical member 181 is made of a resin material such as polypropylene or polylactic acid, or a metal material such as aluminum. The airflow from the packing accumulation 10 flows through the outer circumferential surface and the inner circumferential surface of the cylindrical member 181. As the air flows while coming into contact with the surrounding air, it gradually cools. The particles adhere to the inner and outer peripheral surfaces of the cylindrical member 181. This reduces the temperature of the airflow at the filter element 14 and reduces the amount of impurities that reach the filter element 14. can be done.

[0081] Within the scope of the concept of the present invention, those skilled in the art will be able to conceive of various modifications and alterations. It is understood that these variations and modifications are within the scope of the present invention. For example, those skilled in the art may add, delete or modify components as appropriate to each of the above-described embodiments. This does not include any design changes, or any additions, omissions, or changes to conditions of processing. As long as the essence of the invention is included, it is included within the scope of the present invention.

[0082] In each embodiment of the present invention, the heated tobacco cartridge 1 is provided with a support member 12. However, the present invention is not limited to this. The packing material accumulation 10 moves to the filter member 14 side even without the support member 12. In order to suppress the above, the gap between the inner circumferential surface of the heated tobacco cartridge 1 and the packing material 10 is If the support member 12 is fixed by the support member 12, the support member 12 may not be provided.

[0083] Although the embodiment of the present invention has been described above, the application of the present invention is not limited to this embodiment. , and can be applied in various ways within the scope of its technical concept. [Explanation of symbols]

[0084] 1. Heated tobacco cartridge 2. Heated smoking devices 10. Packing accumulation 12 Support member 12a Through hole 14 Filter member 14a Mouthpiece 16 Packaging materials 20 fillings 25 Packaging materials 30 Flow change section 32 Airflow guidance section 50 heating elements 51 Insertion section

Claims

[Claim 1] a packing material accumulation that generates an aerosol when heated; a filter member having a mouthpiece; a packaging material wound around the outer periphery of the packing material accumulation and the filter member, a cylindrical flow change portion that changes a radial vector component of the airflow containing the aerosol that flows from the packing accumulation toward the suction port side of the filter member, the flow change portion has a support portion that is adjacent to and supports the packing accumulation, the support portion has a through hole communicating with a flow path of the airflow when the airflow guide portion is disposed between the packing accumulation and the filter member, the airflow guide portion has an uneven portion on a surface that contacts the airflow, when viewed in a side cross section in the length direction of the heated tobacco cartridge; the concave-convex portion is formed on a surface of the airflow guide portion facing the packaging member, A cartridge for heated tobacco.

Images