Flavor suction article

Abstract

To make a flavor suction article easy to roll.SOLUTION: A flavor suction article 1 includes: a base material part 10 that generates aerosol by combustion or heating; a filter located in a downstream side of the base material part 10; and a connection member 30 covering a periphery of the filter. The base material part 10 and the filter each include a flat first surface, a flat second surface facing the first surface, a first connection part connecting one end portion in the first surface and one end portion in the second surface, and a second connection part connecting the other end portion in the first surface and the other end portion in the second surface. In the connection member 30, a passage 40 communicating the outside with the inside is formed in a portion facing a position different from the first surface and the second surface.SELECTED DRAWING: Figure 1

Description

[Technical Field]

[0001] The present disclosure relates to flavor inhalation articles. [Background technology]

[0002] The cigarette described in Patent Document 1 comprises a filter section including a plurality of filter sections, base paper around which each filter section is individually wrapped, and forming paper around which the filter sections each made of the base paper are integrally wound, a tobacco section in which tobacco material is wrapped in cigarette paper, and tipping paper that butts the filter section and the tobacco section together at their ends and wraps the entire filter section and the base end of the tobacco section to connect them together. The tipping paper has ventilation holes pre-drilled in the part located in the filter section. [Prior art documents] [Patent documents]

[0003] [Patent Document 1] WO2013 / 124954 Summary of the Invention [Problem to be solved by the invention]

[0004] Flavor inhalation articles are generally cylindrical and therefore tend to roll and fall out of the ashtray. An object of the present disclosure is to make it difficult for a flavor inhalation article to roll. [Means for solving the problem]

[0005] One aspect of the present disclosure provides a flavor inhalation article comprising a substrate that generates an aerosol by combustion or heating, a filter located downstream of the substrate, and an exterior member that covers the periphery of the filter, wherein the substrate and the filter each have a flat first surface, a flat second surface opposite to the first surface, a first connecting portion that connects one end of the first surface to one end of the second surface, and a second connecting portion that connects the other end of the first surface to the other end of the second surface, and the exterior member has a passage that connects the outside and the inside at a location that faces and is different from the first surface and the second surface. The size of the first and second surfaces in a direction perpendicular to the longitudinal direction of the filter may be equal to the size of the first and second connection portions in the perpendicular direction. Furthermore, the passage may be formed in at least one of the boundary between the first surface and the first connection portion, the boundary between the first surface and the second connection portion, the boundary between the second surface and the first connection portion, and the boundary between the second surface and the second connection portion. Furthermore, the size of the first and second surfaces in a direction perpendicular to the longitudinal direction of the filter may be larger than the size of the first and second connection portions in the perpendicular direction. Furthermore, the first and second connection portions may be curved surfaces parallel to the longitudinal direction. Furthermore, the first connecting portion and the second connecting portion may be curved surfaces parallel to the longitudinal direction, and the first surface and the second surface may be flat surfaces parallel to the longitudinal direction, or curved surfaces parallel to the longitudinal direction whose curvature is smaller than that of the first connecting portion and the second connecting portion. The passage may be formed in at least one of the first connecting portion and the second connecting portion. In addition, the outer casing member may have a connecting member that is wrapped around the base member to cover at least a portion of the outer peripheral surface of the base member and at least a portion of the outer peripheral surface of the filter, connecting the base member and the filter, and the passage may be formed by a through hole formed at least in the connecting member. The outer member may also have a wrapping paper that is wrapped around the outer peripheral surface of the filter, and a connecting member that is wrapped around the outer peripheral surface of the base material and the end of the outer peripheral surface of the wrapping paper on the base material side, connecting the base material and the wrapping paper, and the passage may be formed by a through hole formed in a portion of the wrapping paper where the connecting member is not wrapped. Furthermore, a plurality of through holes may be formed along the longitudinal direction of the filter. [Effects of the Invention]

[0006] According to the present disclosure, the flavor inhalation article can be made less likely to roll. [Brief explanation of the drawings]

[0007] [Figure 1] 1 is a perspective view showing an example of the appearance of a flavor inhalation article according to a first embodiment. [Figure 2] 1 is a diagram showing an example of a vertical cross section of a flavor inhalation article according to a first embodiment. [Figure 3] 3 is a diagram showing an example of a cross section of the flavor inhalation article according to the first embodiment taken along line III-III in FIG. 2. FIG. [Figure 4] FIG. 10 is a perspective view showing an example of the appearance of a flavor inhalation article according to a second embodiment. [Figure 5] 10 is a diagram showing an example of a cross section at a position where a passage is formed in a flavor inhalation article according to a second embodiment. FIG. [Figure 6] FIG. 10 is a perspective view showing an example of the appearance of a flavor inhalation article according to a third embodiment. [Figure 7] 10 is a diagram showing an example of a cross section at a position where a passage is formed in a flavor inhalation article according to a third embodiment. FIG. DETAILED DESCRIPTION OF THE INVENTION

[0008] Hereinafter, embodiments of the present disclosure will be described in detail with reference to the accompanying drawings, in which the same parts are designated by the same reference numerals.

[0009] First Embodiment Fig. 1 is a perspective view showing an example of the appearance of the flavor inhalation article 1 according to the first embodiment. Fig. 2 is a view showing an example of a longitudinal section of the flavor inhalation article 1 according to the first embodiment. Fig. 3 is a view showing an example of a cross section of the flavor inhalation article 1 according to the first embodiment, taken along line III-III in Fig. 2. The flavor inhalation article 1 according to the first embodiment includes a substrate 10, a filter 20 that reduces nicotine and tar, and a connecting member 30 that connects the substrate 10 and the filter 20. The flavor inhalation article 1 can be exemplified as, for example, a combustion-type flavor inhalation article that burns the substrate 10 to generate smoke, or a non-combustion heating-type flavor inhalation article that heats the substrate 10 to release flavor components. When the flavor inhalation article 1 is a non-combustion heating-type flavor inhalation article, it is used by being inserted into, for example, a non-combustion heating-type heating device that heats the substrate 10 from the outside. Furthermore, the connecting member 30 is formed with a passage 40 that connects the outside and the inside of the flavor inhalation article 1. Furthermore, the base material portion 10 is formed in a columnar shape. Hereinafter, the direction of the center line CL of the base material portion 10 may be referred to as the "center line direction." The flavor inhalation article 1 is wound around the connecting member 30 so as to integrate the base material portion 10 and the filter portion 20 in a state where they are arranged in this order in the center line direction.

[0010] In the present disclosure, one end side in the center line direction (left side in FIG. 2) may be referred to as the first side, and the other end side in the center line direction (right side in FIG. 2) may be referred to as the second side. The first side is the end side that is ignited when inhaled or inserted into a heating device, and is the upstream side in the flow of aerosol when inhaled. The second side is the opposite side to the first side, and is the end side (mouth end side) that the user holds in their mouth for inhalation, and is the downstream side in the flow of aerosol when inhaled. A cross section along the center line direction is referred to as a "longitudinal cross section," and a cross section cut along a plane perpendicular to the center line direction is defined as a "transverse cross section." Furthermore, assuming, for example, that a user holds the flavor inhalation article 1 upright, a direction parallel to the ground may be referred to as a "left-right direction" (left-right direction in FIG. 3), and a direction perpendicular to the ground may be referred to as a "vertical direction" (vertical direction in FIG. 3).

[0011] (Base material part 10) The substrate 10 is a portion that generates an aerosol by combustion or heating, and includes a flavor source 11 and a wrapping paper 12 that covers the outer periphery of the flavor source 11. The substrate 10 is formed into a columnar shape by wrapping the flavor source 11 in the wrapping paper 12. The cross-sectional area and size in the center line direction of the substrate portion 10 and the content of the flavor source 11 can be appropriately changed according to the size of the flavor inhalation article 1.

[0012] The base member 10 has a flat first surface 51, a flat second surface 52 opposite the first surface 51, a first connection portion 53 connecting one end of the first surface 51 to one end of the second surface 52, and a second connection portion 54 connecting the other end of the first surface 51 to the other end of the second surface 52. In the example shown in FIG. 1 , the size of the first surface 51 and the second surface 52 in a direction perpendicular to the center line direction is equal to the size of the first connection portion 53 and the second connection portion 54 in a direction perpendicular to the center line direction. In other words, the width of the first surface 51 and the second surface 52 is equal to the width of the first connection portion 53 and the second connection portion 54. The presence of a flat surface on the base material portion 10 makes it more difficult for the flavor inhalation article 1 to roll compared to when the flavor inhalation article 1 is cylindrical.

[0013] Flavor source 11 can be, for example, a tobacco-derived material, such as a processed product obtained by molding tobacco shreds or tobacco raw materials into granules, sheets, or powder, or dried tobacco leaves (dried tobacco leaves). Flavor source 11 may also include non-tobacco-derived materials made from plants other than tobacco (e.g., mint and herbs). Flavor source 11 may also include a flavoring. Flavor source 11 may also include dried tobacco leaves and a flavoring-containing material in which a flavoring is encapsulated in a polysaccharide gel. The type of flavoring is not particularly limited, and menthol is particularly preferred from the viewpoint of imparting a good flavor. These flavorings may be used alone or in combination of two or more. Flavor source 11 is not limited to a solid, but may also be a liquid, such as a polyhydric alcohol such as glycerin or propylene glycol, or water.

[0014] Furthermore, when the flavor source 11 is derived from tobacco, the type of tobacco used is not particularly limited, and various known types can be used. Examples of types of tobacco include flue-cured tobacco, burley tobacco, oriental tobacco, native tobacco, other Nicotiana tabacum varieties, Nicotiana rustica varieties, and mixtures thereof. For mixtures, various varieties are appropriately blended to achieve the desired flavor. In addition, even when the flavor source 11 is derived from tobacco, it may contain extracts and / or components thereof from various natural products depending on the intended use. Examples of extracts and / or components thereof include glycerin, propylene glycol, triacetin, 1,3-butanediol, and mixtures thereof.

[0015] Furthermore, when the flavor source 11 is a processed product obtained by forming tobacco shreds or tobacco raw materials into a sheet (hereinafter referred to as "tobacco sheet"), it can be appropriately manufactured by known methods such as papermaking, slurrying, rolling, etc. Furthermore, the tobacco sheet may be made by grinding dried tobacco leaves to obtain tobacco grounds, homogenizing this using known means, and then processing it into a sheet. The number of tobacco sheets may be one or two or more. The two or more tobacco sheets may all have the same composition or physical properties, or some or all of the tobacco sheets may have different compositions or physical properties. Furthermore, the thickness of each tobacco sheet may be the same or different.

[0016] In the case where the flavor source 11 is composed of a single tobacco sheet, for example, a tobacco sheet having one side approximately the same size as the centerline of the substrate 10 is packed in a state where it is folded back multiple times horizontally to the centerline of the substrate 10 (so-called gathered sheet). Another example is a tobacco sheet having one side approximately the same size as the centerline of the substrate 10 and packed in a state where it is wound in a direction perpendicular to the centerline of the substrate 10. In the case where the flavor source 11 is composed of two or more tobacco sheets, for example, a plurality of tobacco sheets, each having a side approximately the same size as the size in the center line direction of the base part 10, are packed in a state where they are wound in a direction perpendicular to the center line direction of the base part 10 so as to be concentrically arranged. "Concentrically arranged" means that the centers of all the tobacco sheets are arranged in approximately the same position. The flavor source 11 may also be a shredded tobacco sheet. Furthermore, the flavor source 11 may be a so-called strand type, in which a tobacco sheet having a size approximately the same as the size of the base material 10 in the center line direction is shredded approximately parallel to the center line direction and filled.

[0017] The composition of the cigarette paper 12 is not particularly limited and may be any common embodiment, for example, one whose main component is pulp. Pulp may be made from wood pulp such as softwood pulp or hardwood pulp, or may be made by mixing non-wood pulp commonly used in cigarette papers 12 for tobacco products, such as flax pulp, hemp pulp, sisal pulp, or esparto. Usable types of pulp include chemical pulp produced by kraft cooking, acidic, neutral or alkaline sulfite cooking, soda cooking, etc., ground pulp, chemi-ground pulp, thermomechanical pulp, etc.

[0018] The wrapper 12 tightly wraps around the outer periphery of the substrate portion 10. The wrapper 12 has a density of about 5 to 100 CORESTA (defined as the amount of air measured in cubic centimeters that passes through one square centimeter of material, e.g., a paper sheet, per minute at a pressure drop of 1.0 kilopascal), more preferably about 10 to 45 CORESTA, and a density of about 23 to 35 grams per square meter (g / m 2 ), more preferably about 23 to 30 g / m 2and has about 23 to 35% by weight, more preferably 28 to 33% by weight, of a filler (preferably calcium carbonate). The wrapping paper 12 contains sodium citrate or other combustion improver, with preferred levels of sodium citrate ranging from 0 to about 2.6% by weight of the paper.

[0019] The shape of the cigarette paper 12 used to produce the substrate 10 can be, for example, square or rectangular. The size of the cigarette paper 12 can be determined depending on the size of the substrate 10. When the flavor source 11 is wrapped in the wrapping paper 12 in a cylindrical shape, for example, an end of the wrapping paper 12 and an end of the wrapping paper 12 on the opposite side are overlapped by about 2 mm in the circumferential direction and glued together to form a cylindrical paper tube shape, inside which the flavor source 11 is filled. When pre-creased wrapping paper is used as the wrapping paper 12, the pre-creased wrapping paper 12 may be placed on, for example, a rectangular rail, and the flavor source 11 may be placed on top of the wrapping paper 12 and wrapped. It is desirable that the wrapping paper 22 has high rigidity. When a cylindrical paper tube having a cross section of any shape, such as a square, is formed in advance using the wrapping paper 12, the flavor source 11 may be filled into the paper tube formed by the wrapping paper 12, for example.

[0020] A coating agent may be added to at least one of the two surfaces, the front and back surfaces, of the cigarette paper 12. There are no particular limitations on the coating agent for the cigarette paper 12, and any coating agent that can form a film on the surface of the paper and reduce liquid permeability can be used. Examples of such coating agents include polysaccharides such as alginic acid and its salts (e.g., sodium salts), pectin, cellulose derivatives such as ethyl cellulose, methyl cellulose, carboxymethyl cellulose, and nitrocellulose, starch and its derivatives (e.g., ether derivatives such as carboxymethyl starch, hydroxyalkyl starch, and cationic starch, and ester derivatives such as starch acetate, starch phosphate, and starch octenyl succinate). Furthermore, from the viewpoint of maintaining the rigidity of the substrate portion 10, it is preferable that the coating agent of the cigarette paper 12 increases the rigidity of the cigarette paper 12 and stably secures any shape that has been formed. Furthermore, from the viewpoint of maintaining the shape of the base material 10, the basis weight of the wrapper paper 12 is preferably high, for example, 100 gsm or more.

[0021] (Filter section 20) The filter unit 20 is located on the second side (downstream side) of the base unit 10. The filter unit 20 has a filter 21 through which the aerosol passes and a wrapper paper 22 wound around the outer peripheral surface of the filter 21. The filter unit 20 is connected to the base unit 10 by being wound around the end of the second side of the base unit 10 using a connecting member 30. When a user inhales an aerosol, the aerosol generated by the flavor source 11 of the base unit 10 passes through the filter 21 and is inhaled by the user.

[0022] The filter unit 20 has a flat first surface 61, a flat second surface 62 opposite the first surface 61, a first connection portion 63 connecting one end of the first surface 61 to one end of the second surface 62, and a second connection portion 64 connecting the other end of the first surface 61 to the other end of the second surface 62. In the example shown in FIG. 3 , the first surface 61 and the second surface 62 are positioned in the up-down direction, and the first connection portion 63 and the second connection portion 64 are positioned in the left-right direction. It can also be shown that the circumferential areas of the first surface 61, the second surface 62, the first connection portion 63, and the second connection portion 64 of the filter unit 20 are the same as the circumferential areas of the first surface 51, the second surface 52, the first connection portion 53, and the second connection portion 54 of the base member 10, respectively. The size of the first surface 61 and the second surface 62 in a direction perpendicular to the center line direction is equal to the size of the first connecting portion 63 and the second connecting portion 64 in a direction perpendicular to the center line direction. In other words, the width of the first surface 61 and the second surface 62 is equal to the width of the first connecting portion 63 and the second connecting portion 64. The cross section of the filter unit 20 is not limited to a square, and may be a rectangle or another polygon. The presence of a flat surface in the filter unit 20 makes it more difficult for the flavor inhalation article 1 to roll compared to when it is cylindrical.

[0023] The filter 21 is not particularly limited as long as it includes a filter material and has the general functions of a filter. Examples of the general functions of a filter include reducing nicotine and tar, as well as reducing unpleasant sensations such as irritation. Furthermore, the filter 21 may be appropriately added with, for example, known flavorings (e.g., menthol), adsorbents, granular activated carbon, flavoring retention materials, etc. The filter material constituting the filter 21 is, for example, a columnar filler made of acetate, charcoal, cellulose fiber, nonwoven fabric, pulp paper, etc. Alternatively, a paper filter filled with sheet-like pulp paper may be used. The filter 21 is a plain filter made up of a single filter, but is not limited to this. The filter 21 may be a multi-segment filter made up of multiple filters, such as a dual filter made up of two types of filters or a triple filter made up of three types of filters.

[0024] The wrapping paper 22 may be made primarily of pulp. Pulp may be made from wood pulp, such as softwood pulp or hardwood pulp, or may be made by blending non-wood pulp, such as flax pulp, hemp pulp, sisal pulp, or esparto, which are commonly used in tobacco wrapping papers. These pulps may be used alone or in any combination of several types. They may also contain fillers such as calcium carbonate. The wrapping paper 22 may also be made of plastic, a polymer sheet, or the like.

[0025] The embodiment of the paper roll 22 is not particularly limited, and may include one or more rows of adhesive-containing seams. The adhesive may include a hot melt adhesive, which may further include polyvinyl alcohol. The adhesive may also include a vinyl acetate adhesive. Furthermore, the wrapping paper 22 may or may not be coated, but is preferably coated with a desired material from the viewpoint of imparting functions such as strength and structural rigidity. From the viewpoint of maintaining the rigidity of the filter section 20, the material coated on the wrapping paper 22 preferably increases the rigidity of the wrapping paper 22 and stably ensures the formed arbitrary shape. Note that the object to be coated with the desired material is not limited to the wrapping paper 22; from the viewpoint of maintaining the rigidity of the filter section 20, the connecting member 30 or a forming paper that forms the filter section 20 separately from the wrapping paper 22 may also be coated. Furthermore, from the viewpoint of maintaining the shape of the filter section 20, it is preferable that the basis weight of the wrapper paper 22 is high, for example, 150 gsm or more. The wrapper paper 22 may be porous paper having a plurality of pores and having breathability.

[0026] The shape of the wrapper paper 22 for producing the filter portion 20 can be, for example, a square or a rectangle. When the filter 21 is wound in the wrapping paper 22 in a cylindrical shape, for example, an end of the wrapping paper 22 and an end of the wrapping paper 22 on the opposite side are overlapped by about 2 mm in the circumferential direction and glued together to form a cylindrical paper tube shape, inside which the filter 21 is packed. The size of the wrapping paper 22 can be determined depending on the size of the filter part 20. The filter unit 20 may not have the wrapping paper 22, and the connecting member 30 may be wound around the outer circumferential surface of the filter 21.

[0027] Here, a method for manufacturing the filter portion 20 having a cross section of any shape, such as a square, will be exemplified. For example, the filter unit 20 is manufactured using a filter 21 having a cross section of any shape, such as a square. The filter 21 may be composed of a hollow member formed by packing a filter material at a higher density than usual, and a solid member disposed in the cavity of the hollow member and formed by packing a filter material at a normal density. The hollow member of the filter 21 is manufactured to have a cross section of any shape, such as a square. It is preferable to add a larger amount of plasticizer to the hollow member of the filter 21 than usual to increase rigidity. Furthermore, for example, the filter unit 20 may be manufactured using a filter 21 having a cross section that is different from an arbitrary shape, such as a circular shape. Specifically, the filter 21 may be formed into an arbitrary cross section when wrapping the wrapper 22 around the outer peripheral surface of the filter 21, and the shape may be maintained to manufacture a filter unit 20 having an arbitrary cross section, such as a square. From the viewpoint of maintaining the filter 21 in an arbitrary shape, the wrapper 22 may be, for example, a highly rigid wrapper, plastic, or polymer sheet. Furthermore, for example, the filter unit 20 may be manufactured using a pre-creased wrapping paper as the wrapping paper 22. Specifically, the pre-creased wrapping paper 22 may be laid on a rectangular rail, and the filter 21 may be placed on the wrapping paper 22 and wrapped, thereby manufacturing a filter unit 20 having a cross section of any shape, such as a square. It is desirable that the wrapping paper 22 has high rigidity. In addition, the filter section 20 having a cross section of any shape, such as a square, is not limited to the manufacturing method described above, and may be manufactured by a known manufacturing method, or may be manufactured by a combination of the above manufacturing method and a known manufacturing method.

[0028] (Connecting member 30) The connecting member 30 is wound so as to cover at least a portion of the outer circumferential surface of the base member 10 and at least a portion of the outer circumferential surface of the filter member 20, and connects the base member 10 and the filter member 20. The connecting member 30 according to the first embodiment is wound so as to cover the second end of the base member 10 and the entire area of ​​the filter member 20. The shape of the connecting member 30 before being wound can be, for example, a square or a rectangle. The connecting member 30 also has a first portion 31 that faces the first surface 61 of the filter unit 20, and a second portion 32 that faces the second surface 62. The connecting member 30 also has a third portion 33 that faces the first connecting portion 63, and a fourth portion 34 that faces the second connecting portion 64. In other words, the connecting member 30 has the first portion 31 that faces the first surface 51 of the base member 10, the second portion 32 that faces the second surface 52, the third portion 33 that faces the first connecting portion 53, and the fourth portion 34 that faces the second connecting portion 54.

[0029] The material of the connecting member 30 is not particularly limited, and examples thereof include those containing pulp as a main component. Pulp may be made from wood pulp such as softwood pulp or hardwood pulp, or may be made by mixing non-wood pulp commonly used in cigarette paper for tobacco products, such as flax pulp, hemp pulp, sisal pulp, or esparto. These pulps may be used alone or in any combination of two or more types in any ratio.

[0030] In addition to the materials described above, the connecting member 30 may contain fillers, such as calcium carbonate, to improve whiteness and opacity and increase the heating rate. In addition to the materials and fillers described above, the connecting member 30 may contain various auxiliary agents, such as a water resistance improver including a wet strength agent (WS agent) and a sizing agent. These fillers may be used alone or in combination.

[0031] A portion of the outer surface of the connecting member 30 may be coated with a known lip release material. The lip release material refers to a material configured to help the lips and the connecting member 30 easily separate without substantial sticking when the user holds the second end of the flavor inhalation article 1 between their mouths. The lip release material may include, for example, ethyl cellulose, methyl cellulose, nitrocellulose, etc. For example, the outer surface of the connecting member 30 may be coated with the lip release material by applying an ethyl cellulose-based or methyl cellulose-based ink to the outer surface of the connecting member 30.

[0032] (Aisle 40) The passage 40 communicates the outside and the inside of the flavor inhalation article 1. Therefore, the passage 40 allows air outside the flavor inhalation article 1 to flow into the inside during inhalation. The shape of the passage 40 can be exemplified as a circular cylinder, an elliptical cylinder, a polygonal prism, a polygonal prism with rounded corners, or a mortar shape. The position of the passage 40 in the center line direction is not particularly limited, but is a position that allows air to flow in from outside the flavor inhalation article 1. The position of the passage 40 in the center line direction is preferably formed in a region that is more than 8 mm from the end face of the filter unit 20 on the opposite side (downstream side) from the substrate unit 10. In other words, the position of the passage 40 in the center line direction is preferably formed in a region that is more than 8 mm from the end face on the mouth end side where the user holds the flavor inhalation article 1 in their mouth. The region that is 8 mm or less from the end face on the mouth end side is the region where the user is expected to hold the flavor inhalation article 1 between their lips. Therefore, by forming the passage 40 in a region that is more than 8 mm from the end face on the mouth end side, it is possible to prevent the passage 40 from being blocked by the lips.

[0033] The passages 40 are formed by through holes formed at least in the connecting member 30. In the example shown in Fig. 1, a plurality of these through holes are formed along the longitudinal direction of the filter 21 (see Fig. 2), and a plurality of passages 40 are formed in the center line direction. When the filter unit 20 has a wrapping paper 22, the passage 40 is composed of a through hole formed in the connecting member 30 and a through hole formed in the wrapping paper 22. The through hole is formed, for example, by a laser. The through hole in the connecting member 30 is preferably formed directly above the through hole formed in the wrapping paper 22. When producing such a flavor inhalation article 1, a connecting member 30 having a through hole that overlaps with the through hole of the wrapping paper 22 may be prepared and wound. However, from the viewpoint of ease of production, it is preferable to produce a flavor inhalation article 1 that does not have the passage 40, and then drill a hole that simultaneously penetrates the wrapping paper 22 of the filter unit 20 and the connecting member 30. Note that the intensity of the laser light irradiated after the connecting member 30 is wound around the wrapping paper 22 of the filter unit 20 may be such that it penetrates the connecting member 30 but not the wrapping paper 22. Even in such a case, if the wrapping paper 22 is porous paper having a plurality of pores and exhibiting breathability, the through holes in the connecting member 30 and the pores in the wrapping paper 22 form a passage 40 that connects the outside of the flavor inhalation article 1 with the filter 21 disposed inside. Furthermore, if the wrapping paper 22 is porous paper, the through holes may be formed before the connecting member 30 is wound around the wrapping paper 22 of the filter unit 20. In other words, the connecting member 30 with the through holes formed therein may be wound around the wrapping paper 22 of the filter unit 20. The method for forming the through holes in the connecting member 30 before winding the connecting member 30 around the wrapping paper 22 is not particularly limited. For example, a substrate that forms the connecting member 30 may be irradiated with laser light. Alternatively, the through holes may be formed in the connecting member 30 using electrical discharge or a needle.

[0034] Due to the presence of the passage 40 that communicates the outside and inside of the flavor inhalation article 1, air flows from the outside into the inside of the filter unit 20 when a user inhales the flavor inhalation article 1. This allows the concentration of the inhaled flavor components and aerosol to be adjusted. It also allows the temperature of the steam and air flowing in from the substrate unit 10 to be lowered. Note that when the substrate unit 10 is burned or heated, steam generated with aerosol as condensation nuclei comes into contact with air from the outside and its temperature drops, liquefying, thereby accelerating the generation of aerosol. Furthermore, by providing a plurality of passages 40 in the center line direction, it is possible to allow the same amount of air to flow in as when the passages 40 are formed around the entire periphery of the flavor inhalation article 1.

[0035] Here, the relationship between the shape of the flavor inhalation article 1 and the position of the passage 40 will be described. In the present embodiment, the flavor inhalation article 1 has a square cross section, and the passage 40 is formed to communicate between the outside of the flavor inhalation article 1 and the filter 21. Specifically, as shown in Fig. 3, the passage 40 is formed in opposing positions on the first surface 61 and the second surface 62. In other words, the passage 40 is formed in opposing positions on the first surface 61 and the second surface 62. By forming the passage 40 in opposing positions, the concentrations of the inhaled flavor components and aerosol can be efficiently adjusted.

[0036] When using the flavor inhalation article 1, it is expected that a user will place their fingers on a flat surface to make it easier to hold and hold the flavor inhalation article 1 in their mouth. To prevent the passage 40 from being blocked by the user's fingers, it is preferable that the passage 40 be formed not on a flat surface of the flavor inhalation article 1 but, for example, in a corner. Specifically, it is preferable that the passage 40 be formed in at least one of a first corner 71, which is the boundary between the first surface 61 and the first connecting portion 63; a second corner 72, which is the boundary between the first surface 61 and the second connecting portion 64; a third corner 73, which is the boundary between the second surface 62 and the first connecting portion 63; and a fourth corner 74, which is the boundary between the second surface 62 and the second connecting portion 64. Furthermore, it is more preferable that the passage 40 be formed in opposing corners of the first corner 71, the second corner 72, the third corner 73, and the fourth corner 74. 3, the passages 40 are formed at a first corner 71, a second corner 72, a third corner 73, and a fourth corner 74. In other words, in the example shown in Fig. 3, the passages 40 are formed at the boundary between the first region 31 and the third region 33, the boundary between the first region 31 and the fourth region 34, the boundary between the second region 32 and the third region 33, and the boundary between the second region 32 and the fourth region 34.

[0037] As described above, the flavor inhalation article 1 includes a substrate 10 that generates an aerosol by combustion or heating, a filter 20 having a filter 21 located downstream of the substrate 10, and a connecting member 30 (an example of an exterior member) that covers the periphery of the filter 20. The substrate 10 and the filter 20 each have flat first surfaces 51, 61, flat second surfaces 52, 62 that face the first surfaces 51, 61, first connecting portions 53, 63 that connect one end of the first surfaces 51, 61 to one end of the second surfaces 52, 62, and second connecting portions 54, 64 that connect the other end of the first surfaces 51, 61 to the other end of the second surfaces 52, 62. The connecting member 30 also has a passage 40 that communicates between the outside and the inside, formed in a location that faces the first surfaces 51, 61 and the second surfaces 52, 62 but at a different position. According to the flavor inhalation article 1, when a user places the flavor inhalation article 1 on an ashtray or the like, the flavor inhalation article 1 is less likely to roll than a configuration in which the flavor inhalation article 1 has a cylindrical shape.

[0038] In the above-described embodiment, the connecting member 30 is wound around the entire filter unit 20, and the passages 40 are formed at least in the connecting member 30. However, the passages 40 do not necessarily have to be formed in the connecting member 30. For example, if the connecting member 30 is wound around only the second end of the substrate unit 10 and the first end of the filter unit 20 to connect the substrate unit 10 and the filter unit 20, the passages 40 may be formed only in the portions of the wrapper 22 of the filter unit 20 that are not wrapped with the connecting member 30. The passages 40 may be formed, for example, by through-holes formed in the wrapper 22. The through-holes formed in the wrapper 22 may be formed, for example, by laser light, electrical discharge, or needles before the wrapper 22 is wound around the filter 21.

[0039] Second Embodiment Fig. 4 is a perspective view showing an example of the appearance of the flavor inhalation article 2 according to the second embodiment. Fig. 5 is a view showing an example of a cross section of the flavor inhalation article 2 according to the second embodiment at a position where the passage 240 is formed. The flavor inhalation article 2 according to the second embodiment differs from the flavor inhalation article 1 according to the first embodiment in its shape and the position where the passage is formed. Hereinafter, the flavor inhalation article 2 according to the second embodiment will be described in terms of differences from the flavor inhalation article 1 according to the first embodiment, and the same reference numerals will be used for the same parts as the flavor inhalation article 1 according to the first embodiment, and detailed description thereof will be omitted.

[0040] Similar to the base material 10 according to the first embodiment, the base material 210 according to the second embodiment has a flavor source 211 and a wrapping paper 212 that covers the outer periphery of the flavor source 211. The configurations of the flavor source 211 and the wrapping paper 212 can be, for example, the same as the configurations of the flavor source 11 and the wrapping paper 12 according to the first embodiment.

[0041] The base material 210 has a flat first surface 251, a flat second surface 252 opposite to the first surface 251, a first connecting portion 253 connecting one end of the first surface 251 to one end of the second surface 252, and a second connecting portion 254 connecting the other end of the first surface 251 to the other end of the second surface 252. The first connecting portion 253 and the second connecting portion 254 are curved surfaces parallel to the center line direction. The size of the first surface 251 and the second surface 252 in a direction perpendicular to the center line direction is larger than the size of the first connecting portion 253 and the second connecting portion 254 in a direction perpendicular to the center line direction. In other words, the width of the first surface 251 and the second surface 252 is larger than the width of the first connecting portion 253 and the second connecting portion 254. The presence of a flat surface in the base material portion 210 that is wider than the curved surface parallel to the center line direction makes it difficult for the flavor inhalation article 2 to roll even when there is a curved surface in part of the circumferential direction.

[0042] Similar to the filter unit 20 according to the first embodiment, the filter unit 220 according to the second embodiment has a filter 221 through which the aerosol passes and wrapping paper 222 wound around the outer peripheral surface of the filter 221. The filter material of the filter 221 and the wrapping paper 222 may be made of the same materials as the filter material of the filter 21 according to the first embodiment and the wrapping paper 22.

[0043] Filter section 220 has a flat first surface 261, a flat second surface 262 opposing first surface 261, a first connecting portion 263 connecting one end of first surface 261 to one end of second surface 262, and a second connecting portion 264 connecting the other end of first surface 261 to the other end of second surface 262. First connecting portion 263 and second connecting portion 264 are curved surfaces that are parallel to the center line direction and the longitudinal direction of filter section 220. It can be shown that the circumferential areas of first surface 261, second surface 262, first connecting portion 263, and second connecting portion 264 of filter section 220 are the same as the circumferential areas of first surface 251, second surface 252, first connecting portion 253, and second connecting portion 254 of base member 210, respectively. 5, the boundaries between first surface 261, second surface 262, first connection portion 263, and second connection portion 264 are indicated by dashed lines. First surface 261 and second surface 262 are located in the vertical direction, and first connection portion 263 and second connection portion 264 are located in the horizontal direction. In other words, in the example shown in Fig. 5, a flat surface parallel to the longitudinal direction of filter portion 220 is located in the vertical direction, and a curved surface parallel to the longitudinal direction of filter portion 220 is located in the horizontal direction.

[0044] The size of the first surface 261 and the second surface 262 in a direction perpendicular to the center line direction is larger than the size of the first connecting portion 263 and the second connecting portion 264 in a direction perpendicular to the center line direction. In other words, the width of the first surface 261 and the second surface 262 is larger than the width of the first connecting portion 263 and the second connecting portion 264. The presence of a flat surface in the filter portion 220 that is wider than the curved surface parallel to the center line direction makes it difficult for the flavor inhalation article 2 to roll even when there is a curved surface in part of the circumferential direction.

[0045] Similar to the connecting member 30 according to the first embodiment, the connecting member 230 according to the second embodiment is wound so as to cover at least a part of the outer circumferential surface of the base member 210 and at least a part of the outer circumferential surface of the filter member 220, and connects the base member 210 and the filter member 220. The material of the connecting member 230 may be, for example, the same as the material of the connecting member 30 according to the first embodiment. The connecting member 230 has a first portion 231 that faces the first surface 261 of the filter section 220, and a second portion 232 that faces the second surface 262. The connecting member 230 also has a third portion 233 that faces the first connecting portion 263, and a fourth portion 234 that faces the second connecting portion 264. The first portion 231 and the second portion 232 are flat surfaces parallel to the center line direction, and the third portion 233 and the fourth portion 234 are curved surfaces parallel to the center line direction.

[0046] Similar to the passage 40 according to the first embodiment, the passage 240 according to the second embodiment is formed by at least through holes formed in the connecting member 230, and communicates between the outside and the inside of the flavor inhalation article 2. In the example shown in Fig. 4, a plurality of through holes are formed along the center line direction. In the present embodiment, when a user uses the flavor inhalation article 2 having a flat surface and a curved surface, it is assumed that the user will position the fingers on the flat surface to make it easier to hold and grip the flavor inhalation article 2. From the viewpoint of preventing the passage 240 from being blocked by the user's fingers, it is preferable that the passage 240 be formed on, for example, a curved surface rather than on the flat surface of the flavor inhalation article 2. Specifically, it is preferable that the passage 240 be formed on at least one of the first connecting portion 263 and the second connecting portion 264. Furthermore, it is more preferable that the passage 240 be formed in opposing positions on the first connecting portion 263 and the second connecting portion 264. 5, the passages 240 are formed at opposing portions on the first connecting portion 263 and the second connecting portion 264, which are curved surfaces parallel to the center line direction. In other words, in the example shown in Fig. 5, the passages 240 are formed at opposing portions on the third portion 233 and the fourth portion 234, which are curved surfaces parallel to the center line direction. Forming the passages 240 on curved surfaces allows the passages 240 to have larger openings than when the passages 240 are formed on corners of the flavor inhalation article 2.

[0047] As described above, the flavor inhalation article 2 includes the substrate part 210 that generates an aerosol by combustion or heating, the filter part 220 having the filter 221 located downstream of the substrate part 210, and the connecting member 230 (an example of an exterior member) that covers the periphery of the filter part 220. The substrate part 210 and the filter part 220 each have flat first surfaces 251, 261, flat second surfaces 252, 262 that face the first surfaces 251, 261, first connecting parts 253, 263 that connect one end of the first surfaces 251, 261 to one end of the second surfaces 252, 262, and second connecting parts 254, 264 that connect the other end of the first surfaces 251, 261 to the other end of the second surfaces 252, 262. Furthermore, the connecting member 230 has a passage 240 that connects the outside with the inside formed at a position facing the first surfaces 251, 261 and the second surfaces 252, 262, which is different from the first surfaces 251, 261 and the second surfaces 252, 262. According to the flavor inhalation article 2, when a user places the flavor inhalation article 2 on an ashtray or the like, the flavor inhalation article 2 is less likely to roll compared to a configuration in which the flavor inhalation article 2 has a cylindrical shape.

[0048] <Third embodiment> Fig. 6 is a perspective view showing an example of the appearance of the flavor suction article 3 according to the third embodiment. Fig. 7 is a view showing an example of a cross section of the flavor suction article 3 according to the third embodiment at a position where the passage 340 is formed. The flavor inhalation article 3 according to the third embodiment differs from the flavor inhalation article 1 according to the first embodiment in its shape and the position where the passage 340 is formed. Below, the differences between the flavor inhalation article 3 according to the third embodiment and the flavor inhalation article 1 according to the first embodiment will be described, and the same reference numerals will be used for the same parts as the flavor inhalation article 1 according to the first embodiment, and detailed description thereof will be omitted.

[0049] Similar to the base material 10 according to the first embodiment, the base material 310 according to the third embodiment has a flavor source 311 and a wrapping paper 312 that covers the outer periphery of the flavor source 311. The configurations of the flavor source 311 and the wrapping paper 312 can be, for example, the same as the configurations of the flavor source 11 and the wrapping paper 12 according to the first embodiment.

[0050] The base material 310 has a first surface 351 that is a curved surface parallel to the center line direction, a second surface 352 that is a curved surface opposite to the first surface 351, a first connection portion 353 that connects one end of the first surface 351 to one end of the second surface 352, and a second connection portion 354 that connects the other end of the first surface 351 to the other end of the second surface 352. The first connection portion 353 and the second connection portion 354 are curved surfaces parallel to the center line direction, and the curvatures of the first connection portion 353 and the second connection portion 354 are greater than the curvatures of the first surface 351 and the second surface 352. In other words, the curvatures of the first surface 351 and the second surface 352 are smaller than the curvatures of the first connection portion 353 and the second connection portion 354. The size of the first surface 351 and the second surface 352 in a direction perpendicular to the center line direction is larger than the size of the first connecting portion 353 and the second connecting portion 354 in a direction perpendicular to the center line direction. In other words, the width of the first surface 351 and the second surface 352 is larger than the width of the first connecting portion 353 and the second connecting portion 354. In the base material portion 310, by widening the width of the curved surface with a smaller curvature among the curved surfaces parallel to the center line direction, it is possible to make the flavor inhalation article 3 less likely to roll even when the entire circumferential direction is a curved surface.

[0051] Similar to the filter unit 20 according to the first embodiment, the filter unit 320 according to the third embodiment has a filter 321 through which the aerosol passes and wrapping paper 322 wound around the outer peripheral surface of the filter 321. The filter material of the filter 321 and wrapping paper 322 may be made of the same material as the filter material of the filter 21 according to the first embodiment and wrapping paper 22.

[0052] The filter section 320 has a first surface 361 that is a curved surface parallel to the center line direction, a second surface 362 that is a curved surface opposite to the first surface 361, a first connection portion 363 that connects one end of the first surface 361 to one end of the second surface 362, and a second connection portion 364 that connects the other end of the first surface 361 to the other end of the second surface 362. The first connection portion 363 and the second connection portion 364 are curved surfaces parallel to the center line direction, and the curvatures of the first connection portion 363 and the second connection portion 364 are greater than the curvatures of the first surface 361 and the second surface 362. In other words, the curvatures of the first surface 361 and the second surface 362 are smaller than the curvatures of the first connection portion 363 and the second connection portion 364. It can also be illustrated that the circumferential areas of the first surface 361, the second surface 362, the first connecting portion 363, and the second connecting portion 364 of the filter portion 320 are the same as the circumferential areas of the first surface 351, the second surface 352, the first connecting portion 353, and the second connecting portion 354 of the base material portion 310, respectively. 7, the boundaries between the first surface 361, the second surface 362, the first connecting portion 363, and the second connecting portion 364 are indicated by dashed lines. The first surface 361 and the second surface 362 are located in the vertical direction, and the first connecting portion 363 and the second connecting portion 364 are located in the horizontal direction. In other words, in the example shown in Fig. 7, when the circumferential direction of the filter portion 320 is a curved surface parallel to the longitudinal direction, the curved surface with a smaller curvature is located in the vertical direction, and the curved surface with a larger curvature is located in the horizontal direction.

[0053] The size of the first surface 361 and the second surface 362 in a direction perpendicular to the center line direction is larger than the size of the first connecting portion 363 and the second connecting portion 364 in a direction perpendicular to the center line direction. In other words, the width of the first surface 361 and the second surface 362 is larger than the width of the first connecting portion 363 and the second connecting portion 364. In the filter section 320, by widening the width of the curved surface with a smaller curvature among the curved surfaces parallel to the center line direction, it is possible to make the flavor inhalation article 3 less likely to roll even when the entire circumferential direction is a curved surface.

[0054] Similar to the connecting member 330 according to the first embodiment, the connecting member 330 according to the third embodiment is wound so as to cover at least a part of the outer circumferential surface of the base member 310 and at least a part of the outer circumferential surface of the filter member 320, and connects the base member 310 and the filter member 320. The material of the connecting member 330 may be, for example, the same as the material of the connecting member 30 according to the first embodiment. The connecting member 330 has a first portion 331 that faces the first surface 361 of the filter section 320, and a second portion 332 that faces the second surface 362. The connecting member 330 also has a third portion 333 that faces the first connecting portion 363, and a fourth portion 334 that faces the second connecting portion 364. The first portion 331, the second portion 332, the third portion 333, and the fourth portion 334 are curved surfaces that are parallel to the center line direction.

[0055] The passage 340 according to the third embodiment is formed by a through-hole formed at least in the connecting member 330, similar to the passage 40 according to the first embodiment, and connects the outside and the inside of the flavor inhalation article 3. In the present embodiment, when a user uses the flavor inhalation article 3 having curved surfaces with different curvatures, it is expected that the user will position their fingers on the curved surface with a smaller curvature to make it easier to hold and grip the flavor inhalation article 3 in their mouth. From the viewpoint of preventing the passage 340 from being blocked by the user's fingers, it is preferable that the passage 340 be formed on a curved surface with a larger curvature, rather than on a curved surface with a smaller curvature. Specifically, it is preferable that the passage 340 be formed on at least one of the first connecting portion 363 and the second connecting portion 364. Furthermore, it is more preferable that the passage 340 be formed in a portion of the first connecting portion 363 and the second connecting portion 364 that faces each other. In the example shown in Fig. 7, the passages 340 are formed at opposing portions on the first connecting portion 363 and the second connecting portion 364, which are curved surfaces parallel to the center line direction and have a larger curvature than the first surface 361 and the second surface 362. In other words, in the example shown in Fig. 7, the passages 340 are formed at opposing portions on the third portion 333 and the fourth portion 334, which are curved surfaces parallel to the center line direction and have a larger curvature. Furthermore, a plurality of passages 340 may be formed on the first connecting portion 363 and the second connecting portion 364 along the up-down direction, or a plurality of passages 340 may be formed along the center line direction (see Fig. 6). Forming the passages 340 on curved surfaces with a larger curvature can prevent the passages 340 from being blocked by the user's fingers.

[0056] As described above, the flavor inhalation article 3 includes the substrate part 310 that generates an aerosol by combustion or heating, the filter part 320 having the filter 321 located downstream of the substrate part 310, and the connecting member 330 (an example of an exterior member) that covers the periphery of the filter part 320. The substrate part 310 and the filter part 320 each have first surfaces 351, 361 that are curved surfaces, second surfaces 352, 362 that are curved surfaces facing the first surfaces 351, 361, first connecting parts 353, 363 that connect one end of the first surfaces 351, 361 to one end of the second surfaces 352, 362, and second connecting parts 354, 364 that connect the other end of the first surfaces 351, 361 to the other end of the second surfaces 352, 362. Furthermore, the connecting member 330 has a passage 340 that connects the outside with the inside at a portion that has a larger curvature than the first surfaces 351, 361 and the second surfaces 352, 362 and that faces a different position from the first surfaces 351, 361 and the second surfaces 352, 362. When a user places the flavor inhalation article 3 on an ashtray or the like, the flavor inhalation article 3 is less likely to roll compared to a configuration in which the entire circumferential direction of the flavor inhalation article 3 is a curved surface with a uniform curvature.

[0057] <Modification> (1) Although the embodiments of the present disclosure have been described above, the technical scope of the present disclosure is not limited to the scope of the above-described embodiments. It is clear from the claims that various modifications or improvements to the above-described embodiments are also included in the technical scope of the present disclosure.

[0058] (2) As an exterior member of the flavor inhalation article, a passageway communicating the outside and the inside may be formed in a portion of the wrapping paper wrapped around the filter, facing a position different from the first and second surfaces. Specifically, the passageway may be formed in a portion that is not covered by at least a portion of the outer circumferential surface of the wrapping paper wrapped around the flavor source and a connecting member that is wrapped so as to cover a portion of the outer circumferential surface of the wrapping paper and connects the wrapping paper to the wrapping paper, and that faces a position different from the first and second surfaces of the wrapping paper.

[0059] (3) As an exterior member of a flavor inhalation article, a passageway communicating the outside and the inside may be formed in a portion of the wrapper paper wrapped around the flavor source, facing a position different from the first and second surfaces. Specifically, the passageway may be formed in a portion that is not covered by a part of the outer circumferential surface of the wrapper paper wrapped around the filter and a connecting member that is wound so as to cover at least a part of the outer circumferential surface of the wrapper paper and connects the wrapper paper, but facing a position different from the first and second surfaces of the wrapper paper. Alternatively, the passageway may be formed in a portion that is covered by the connecting member and facing a position different from the first and second surfaces of the wrapper paper.

[0060] (4) When the flavor inhalation article is a non-combustion heating type, a cooling unit may be disposed between the flavor source and the filter. Specifically, when the flavor inhalation article is a non-combustion heating type, the flavor source, cooling unit, and filter may be arranged in this order along the centerline and wound with a connecting member to integrate them. The cooling unit may be, for example, a hollow (hollow) section, and its cross section may be, for example, a square, rectangular, polygonal, or elliptical. The cooling unit generates an aerosol by cooling the vapor generated by heating the substrate unit 10. The cooling unit may be formed by a tube formed by rolling a sheet or a tube made of synthetic resin or the like. The cooling unit may also have a solid cross section, for example, by being filled with a cooling element that undergoes a phase transition and generates heat absorption at the temperature inside the cooling unit. Examples of cooling elements include polylactic acid, polyvinyl alcohol (PVA), cellulose acetate, trehalose, maltose, sucrose, maltitol, glucose, wax, hardened oil, etc., or a combination thereof. Furthermore, when the flavor inhalation article is an article in which a connecting member is wound around the connecting member to integrate the flavor source, the cooling unit, and the filter, which are arranged in this order along the center line, a passage communicating the outside and the inside may be formed in a portion of the connecting member where the cooling unit is arranged and which faces a position different from that on the first surface and the second surface. To allow air to flow in from the outside, the passage is preferably located in a region that protrudes from the heating device when the flavor inhalation article is held in the heating device.

[0061] <Summary> The present disclosure includes the following configurations. (1) A flavor inhalation article comprising a base member that generates an aerosol by combustion or heating, a filter located downstream of the base member, and an exterior member that covers the periphery of the filter, wherein the base member and the filter each have a flat first surface, a flat second surface opposite the first surface, a first connecting portion that connects one end of the first surface to one end of the second surface, and a second connecting portion that connects the other end of the first surface to the other end of the second surface, and the exterior member has a passage that connects the outside and the inside at a position that faces the first surface and the second surface but is different from the first surface and the second surface. (2) A flavor inhalation article according to (1), wherein the size of the first and second surfaces in a direction perpendicular to the longitudinal direction of the filter is equal to the size of the first and second connecting portions in the perpendicular direction. (3) A flavor inhalation article described in (2), in which the passage is formed at least in one of the boundary between the first surface and the first connecting portion, the boundary between the first surface and the second connecting portion, the boundary between the second surface and the first connecting portion, and the boundary between the second surface and the second connecting portion. (4) A flavor inhalation article according to (1), wherein the size of the first and second surfaces in a direction perpendicular to the longitudinal direction of the filter is greater than the size of the first and second connecting portions in the perpendicular direction. (5) The flavor inhalation article according to (4), wherein the first connecting portion and the second connecting portion are curved surfaces parallel to the longitudinal direction. (6) A flavor inhalation article described in (4), wherein the first connecting portion and the second connecting portion are curved surfaces parallel to the longitudinal direction, and the first surface and the second surface are flat surfaces parallel to the longitudinal direction or curved surfaces parallel to the longitudinal direction whose curvature is smaller than that of the first connecting portion and the second connecting portion. (7) The flavor inhalation article according to (4), wherein the passage is formed in at least one of the first connecting portion and the second connecting portion. (8) A flavor inhalation article described in any one of (1) to (7), wherein the outer member has a connecting member that is wrapped around the outer member to cover at least a portion of the outer surface of the base member and at least a portion of the outer surface of the filter, connecting the base member and the filter, and the passage is formed by a through hole formed at least in the connecting member. (9) A flavor inhalation article described in any one of (1) to (7), wherein the outer member has a wrapping paper wrapped around the outer peripheral surface of the filter, and a connecting member wrapped around the outer peripheral surface of the base material and the end of the outer peripheral surface of the wrapping paper on the base material side, connecting the base material and the wrapping paper, and the passage is formed by a through hole formed in a portion of the wrapping paper where the connecting member is not wrapped. (10) The flavor inhalation article according to (8) or (9), wherein a plurality of through holes are formed along the longitudinal direction of the filter. [Explanation of symbols]

[0062] REFERENCE SIGNS LIST 1...flavor inhalation article, 10...base material portion, 11...flavor source, 12...wrapper paper, 20...filter portion, 21...filter, 22...wrapper paper, 30...connecting member, 40...passageway, 51, 61...first surface, 52, 62...second surface, 53, 63...first connecting portion, 54, 64...second connecting portion, 71...first corner portion, 72...second corner portion, 73...third corner portion, 74...fourth corner portion

Claims

1. a substrate that generates an aerosol by combustion or heating; a filter located downstream of the substrate; an exterior member that covers the periphery of the filter; Equipped with the base member and the filter each have a flat first surface, a flat second surface opposite to the first surface, a first connection portion connecting one end of the first surface to one end of the second surface, and a second connection portion connecting the other end of the first surface to the other end of the second surface; The exterior member has a passageway formed in a portion facing the first surface and the second surface at a different position, the passageway communicating the outside with the inside. Flavor suction article.

2. a size of the first surface and the second surface in a direction perpendicular to the longitudinal direction of the filter is equal to a size of the first connection portion and the second connection portion in the direction perpendicular to the longitudinal direction of the filter; The flavor inhalation article according to claim 1 .

3. the passage is formed in at least one of a boundary between the first surface and the first connection portion, a boundary between the first surface and the second connection portion, a boundary between the second surface and the first connection portion, and a boundary between the second surface and the second connection portion. The flavor inhalation article according to claim 2 .

4. a size of the first surface and the second surface in a direction perpendicular to the longitudinal direction of the filter is larger than a size of the first connection portion and the second connection portion in the direction perpendicular to the longitudinal direction of the filter; The flavor inhalation article according to claim 1 .

5. the first connection portion and the second connection portion are curved surfaces parallel to the longitudinal direction; The flavor inhalation article according to claim 4.

6. the first connection portion and the second connection portion are curved surfaces parallel to the longitudinal direction, the first surface and the second surface are flat surfaces parallel to the longitudinal direction, or curved surfaces parallel to the longitudinal direction and having a curvature smaller than that of the first connection portion and the second connection portion; The flavor inhalation article according to claim 4.

7. the passage is formed in at least one of the first connection portion and the second connection portion; The flavor inhalation article according to claim 4.

8. the exterior member has a connecting member that is wound around the exterior member so as to cover at least a part of an outer peripheral surface of the base member and at least a part of an outer peripheral surface of the filter, and connects the base member and the filter, The passage is formed by at least a through hole formed in the connecting member. The flavor inhalation article according to any one of claims 1 to 7.

9. the exterior member includes a wrapping paper wound around the outer peripheral surface of the filter, and a connecting member wound so as to cover at least a portion of the outer peripheral surface of the base material portion and an end of the outer peripheral surface of the wrapping paper on the base material portion side, thereby connecting the base material portion and the wrapping paper, The passage is formed by a through hole formed in a portion of the paper roll where the connecting member is not wound. The flavor inhalation article according to any one of claims 1 to 7.

10. The through holes are formed in a plurality along the longitudinal direction of the filter. The flavor inhalation article according to claim 8 or 9.

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