WO2023276112A1

WO2023276112A1 - Device and method for manufacturing tubular element

Info

Publication number: WO2023276112A1
Application number: PCT/JP2021/024958
Authority: WO
Inventors: 洋輔塩谷; 勝男加藤; 和正荒栄; 拓也赤羽; 啓佑 ▲高▼木
Original assignee: 日本たばこ産業株式会社
Priority date: 2021-07-01
Filing date: 2021-07-01
Publication date: 2023-01-05

Abstract

A device 50 for manufacturing a tubular element 4 used for a flavor inhalation article 1 comprises a first conveying path 78, a tube forming section 64, a second conveying path 90, a second paper web cutting section 68, and a liner forming section 70 that applies a friction force to both end edges of a strip paper web 92 in a tube diameter direction Y to form the strip paper web 92 continuously into a liner 28. The tube forming section 70 accepts the liner 28 as the second conveying path 90 converges into the first conveying path 78, wraps the liner 28 continuously with a first paper web 74 while arranging the liner 28 inside a paper tube 26 over an axial direction X of the paper tube 26 to form a tubular rod 102. The device 50 further comprises a cutting section 72 that cuts the tubular rod 102 to form a tubular element 4. The second paper web cutting section 68 cuts a second paper web 88 into a strip paper web 92 of which a total cross-sectional length in the tube diameter direction Y is greater than an inner diameter d of the paper tube 26.

Description

Tubular element manufacturing device and manufacturing method

The present invention relates to an apparatus and method for manufacturing a tubular element, and more particularly to an apparatus and method for manufacturing a tubular element used for flavor inhalation articles.

Patent Document 1 discloses a non-combustion heating type aerosol-generating article. The aerosol-generating article, in other words the flavor inhalation article, comprises a flavor element and a filter element adjacent to each other. The flavor element is formed, for example, by filling with tobacco material. The filter element is formed by filling a filter material and has a hollow portion formed in its radial center. A flavor component is sorbed on the inner peripheral surface of the hollow portion. By heating the flavor element with the heater of the device (flavor inhaler), the volatilized flavor component is cooled by the filter element, thereby generating an aerosol of the flavor component, which is inhaled by the user.

Japanese Patent Publication No. 2020-508075

In the non-combustion heating type flavor inhaling article, the heating temperature of the flavor element is lower than in the combustion heating type article. Therefore, the amount of flavor components volatilized from the flavor element is reduced, and the aerosol of the flavor components generated is also reduced. A hollow portion is formed in the filter element described in Patent Document 1, and a flavor component is sorbed on the inner peripheral surface of the hollow portion. However, since there is a filter material as a filter on the outer periphery of the hollow part, some of the flavor components volatilized by the flavor element are cooled in the hollow part and aerosolized, but the remaining flavor components are filtered by the filter material. It can be filtered before being aerosolized. Therefore, there is a risk that the flavor components supplied to the user will be further reduced.

Therefore, in order to aerosolize the flavor component volatilized from the flavor element before filtering and supply it to the user, it is conceivable to use a tubular element such as a paper tube instead of a filter element for the cooling segment adjacent to the flavor element. However, since a mere paper tube only passes volatilized flavor components together with an airflow, it is difficult to generate an aerosol and cannot provide a suitable cooling segment for a non-combustion heating type flavor inhalation article.

The present invention has been made in view of such problems, and is a tubular element that can be supplied to users without reducing the flavor components of the flavor element as much as possible, and that has a cooling segment function instead of a filter element in a flavor inhalation article. It is an object to provide a manufacturing apparatus and a manufacturing method of.

In order to achieve the above object, an apparatus for manufacturing a tubular element according to one aspect is a manufacturing apparatus for manufacturing a tubular element of a flavor inhalation article having a flavor element that is heated without combustion, wherein a first paper web is conveyed. a first conveying path, a tube forming section for continuously forming the first paper web into a cylindrical hollow paper tube in the process of conveying the first paper web in the first conveying path, and a second paper web for conveying the second paper web. a second paper web cutting section for cutting the second paper web into a strip-like strip paper web along its longitudinal direction in the process of conveying the second paper web in the second conveying route; a liner forming section for continuously forming the strip paper web into a liner by applying a frictional force to both radially opposite edges of the paper tube of the strip paper web in the course of conveying the strip paper web, the tube forming section comprising: receives the liner formed by the liner forming section by joining the second conveying path to the first conveying path, and continuously wraps the liner with the first paper web, and spreads the liner along the axial direction of the paper tube. It further comprises a cutting section for forming a tubular rod by placing it in the paper tube, cutting the tubular rod formed by the tube forming section to form a tubular element, and the second paper web cutting section cuts the second paper web in the tube radial direction. Cut into a strip paper web whose total cross-sectional length at is greater than the inner diameter of the paper tube.

Further, a method for manufacturing a tubular element according to one aspect is a manufacturing method for manufacturing a tubular element for a flavor inhalation article having a non-combustible heated flavor element. a step of supplying a first paper web that is conveyed along a path; a tube forming step of continuously forming the first paper web into a cylindrical hollow paper tube during the course of conveying the first paper web on the first conveying path; In the second paper web supply step of supplying the paper web and conveying it to the second conveying path, and the conveying process of the second paper web in the second conveying path, the second paper web is formed into a strip-shaped paper web along its longitudinal direction. In the step of cutting the second paper web and the process of conveying the strip paper web in the second conveying path, a frictional force is applied to both end edges of the paper tube of the strip paper web in the tube radial direction to continuously cut the strip paper web. In the tube forming step, the liner formed in the liner forming step is received by joining the second conveying path to the first conveying path, and the liner is continuously formed on the first paper web. A cutting step of placing the liner in the paper tube along the axial direction of the paper tube to form a tubular rod while wrapping the liner in the paper tube, and cutting the tubular rod formed in the tube forming step to form a tubular element; In the second paper web cutting step, the second paper web is cut into strip paper webs having a total cross-sectional length in the tube radial direction greater than the inner diameter of the paper tube.

In flavor inhalation articles, it is possible to supply the flavor component of the flavor element to users without reducing it as much as possible, and it is possible to provide a manufacturing apparatus and manufacturing method for a tubular element having a cooling segment function instead of a filter element.

1 is a cross-sectional view of a flavor inhalation article; FIG. FIG. 4 is a cross-sectional view of a flavor inhaling article according to another embodiment; Fig. 3 is a longitudinal section through a tubular element; FIG. 4 is a cross-sectional view when the paper tube is developed in the tube radial direction; Figure 4 is a longitudinal cross-sectional view of a tubular element according to another form of Figure 3; Figure 4 is a longitudinal cross-sectional view of a further alternative tubular element of Figure 3; FIG. 4 is a cross-sectional view when the paper tube of FIG. 3 is developed in the tube radial direction; FIG. 4 is a schematic diagram of a tubular element with a different configuration (liner longitudinal cross-section is zigzag-shaped). FIG. 4 is a schematic diagram of a tubular element with a different configuration (a zigzag shape with another configuration of the longitudinal section of the liner). FIG. 10 is a schematic diagram of a tubular element with a different configuration (the liner longitudinal cross-section is still another configuration of zigzag shape). FIG. 4 is a schematic diagram of a tubular element having a different form (the longitudinal section of the liner is star-shaped); FIG. 2 is a schematic diagram of tubular elements of different configurations (three separate liners with circular longitudinal cross-sections). 1 is a schematic view of an apparatus for manufacturing tubular elements; FIG. 4 is a flow chart describing a method of manufacturing a tubular element; FIG. 4 is a cross-sectional view of a rotor tube; 4 is a graph showing the percentage of flavor ingredients that fall from flavor elements. FIG. 17 is a schematic diagram of the test apparatus that produced the results of FIG. 16; Fig. 5 is a graph showing the maximum load to buckling when a tubular element is pressed in its axial direction; FIG. 19 is a schematic diagram of the test apparatus that produced the results of FIG. 18; Fig. 3 is a graph showing the maximum load to buckling when the liner is pressed axially; FIG. 21 is a schematic diagram of the test apparatus that produced the results of FIG. 20; 1 is a schematic diagram of a test apparatus for a temperature measurement test of an article; FIG. 23 is a graph showing time-series temperature changes at measurement points P1, P2, and P3 in FIG. 22; FIG. 2 is a cross-sectional view of each article used in comparative examples and examples of flavor delivery tests. FIG. 25 is a graph showing the delivery amount of the flavor component for each puff number in each article of FIG. 24 in chronological order. FIG. 25 is an image diagram of the tubular element of Example 2 of FIG. 24; FIG. 24 is an image diagram of the flavor element of Comparative Example 1 of FIG. 23;

<Flavor inhalation article>
Hereinafter, the flavor inhalation article 1 will be described with reference to FIGS. 1 and 2. FIG. FIG. 1 shows a cross-sectional view of a flavor inhalation article 1. FIG. A flavor inhalation article 1 (hereinafter also referred to as an article) is of a non-combustion heating type, and includes, in order from the left side in FIG. 8. Flavor element 2 is formed by filling flavor raw material 10 .

The device (flavor sucker) used to heat the flavor element 2 includes a needle-shaped heater 12, for example. Only the heater 12 of the device is shown in FIG. An article 1 is set in the device, and a heater 12 is inserted into the flavor element 2 to heat it. As a result, the flavor component impregnated in the flavor raw material 10 of the flavor element 2 or contained as granules volatilizes and evaporates. Flavor element 2 may be a tobacco rod containing tobacco material as flavor material 10 . The tobacco raw material is composed of, for example, shredded tobacco or shredded tobacco sheets.

The first filter element 6 is a filter body filled with a filter raw material 14 such as acetate tow or nonwoven fabric sheet, and has a hollow portion 16 formed in the center in the radial direction. The second filter element 8 is a filter body filled with a filter material 14 similar to or different from the first filter element 6 . Each peripheral surface of the flavor element 2 and the first and

second filter elements

6 and 8 is rolled up with wrapping paper 18, respectively.

The

elements

2, 4, 6, 8 are coaxially arranged side-by-side and connected to each other by wrapping chipping paper 20 around the circumference of the continuum composed of the

elements

2, 4, 6, 8. . The tubular element 4 and the tipping paper 20 are formed with vent holes 22 for drawing air into the article 1 when the article 1 is aspirated. The air taken into the article 1 from the outside through the ventilation holes 22 cools the flavor components of the flavor element 2 and the volatile components of additives described below, thereby promoting aerosolization of these components. In addition, the configuration of the filter element as the filter body is not limited to the one provided with the first and

second filter elements

6 and 8 .

FIG. 2 shows a cross-sectional view of an article 1 according to another form. The article 1 comprises a third filter element 24 adjacent to the flavoring element 2 opposite the tubular element 4 . The third filter element 24 is formed by filling a filter material 14 similar to the first and

second filter elements

6,8 or different from the first and

second filter elements

6,8. The third filter element 24 is positioned at a position contacting or capable of contacting the flavor raw material 10 of the flavor element 2 and is connected to the flavor element 2 by the tipping paper 20 .

When the heater 12 is inserted into the flavor element 2 through the third filter element 24 , the third filter element 24 prevents the flavor raw material 10 from spilling from the flavor element 2 to the root side of the heater 12 . That is, the third filter element 24 functions as a support segment that supports the article 1 so that the flavor raw material 10 filled in the flavor element 2 does not spill down to the heater 12 side. As a result, it is possible to prevent the vicinity of the base of the heater 12 of the device from being soiled by the spilled flavor raw material 10 .

The tubular element 4 is arranged adjacent to the flavor element 2 on the side opposite to the tip side of the article 1 and forms an airflow path in the article 1. The tubular element 4 includes a cylindrical hollow paper tube 26 and a paper liner 28 arranged in the paper tube 26 along the axial direction X of the paper tube 26 .

<Tubular element>
The tubular element 4 of the article 1 will now be described in detail with reference to Figures 3 to 11 . FIG. 3 shows a longitudinal section through the tubular element 4 . The liner 28 is formed by bending a single paper web in the direction of the inner diameter d of the paper tube 26, that is, in the tube radial direction Y, in an S-shape. It is shaped like a letter.

The liner 28 has a paper thickness of 0.05 mm to 1 mm, preferably 0.08 mm to 0.5 mm, more preferably 0.1 mm to 0.15 mm, and a basis weight of 80 gsm (grams per square meter) to 120 gsm. have. The paper tube 26 is formed of a double paper web in which an inner paper web 30 and an outer paper web 32 are overlapped and adhered via an adhesive portion 34 . Alternatively, the liner 28 may be formed from a double paper web.

The tubular element 4 cools and aerosolizes the flavor component volatilized in the flavor element 2 by the heat of the heater 12 . Cooling and aerosolization of the flavor component is efficiently performed by the vaporized flavor component contacting the surface of the liner 28 in the space reserved within the paper tube 26 . Liner 28 is also rapidly heated by heater 12 adjacent to liner 28 . Therefore, when a flavoring agent as a kind of additive is sorbed on the liner 28, the flavoring component volatilized from the liner 28 is efficiently cooled in the space secured within the paper tube 26 and becomes an aerosol.

The total cross-sectional length of the liner 28 in the tube radial direction Y of the paper tube 26 is greater than the inner diameter d of the paper tube 26 . More preferably, the total cross-sectional length of the liner 28 in the tube radial direction Y of the paper tube 26 is at least twice the inner diameter d of the paper tube 26 . This increases the surface area of the liner 28, thereby more efficiently cooling and aerosolizing the flavoring ingredients. Thus, in the article 1, the tubular element 4 functions as a cooling segment that immediately cools and aerosolizes the flavoring components volatilized in the flavoring element 2 or liner 28.

The tubular element 4 functions as a cooling segment to facilitate aerosolization of flavoring ingredients before reaching the first and

second filter elements

6,8. For this reason, the flavor components before being aerosolized are prevented from being adsorbed on the fibers of the first and

second filter elements

6 and 8 and filtered. Therefore, in the non-combustion heating type article 1, even when the heating temperature of the flavor element 2 is relatively low, it is possible to reduce the amount of flavor components filtered by the first and

second filter elements

6 and 8. Thus, the flavor components of the flavor element 2 are supplied to the user with as little reduction as possible.

By providing the liner 28 on the tubular element 4 adjacent to the flavor element 2 , the liner 28 is positioned at a position where it contacts or can come into contact with the flavor ingredient 10 of the flavor element 2 . When the heater 12 is inserted into the flavor element 2, the liner 28 prevents the flavor raw material 10 from spilling from the flavor element 2 to the tubular element 4 side. That is, in the article 1, the tubular element 4 functions as a support segment that supports the flavor ingredient 10 filled in the flavor element 2 so that it does not spill out.

Additives are sorbed on the liner 28 . Additives include, for example, flavoring ingredients, activated charcoal, and aerosol expanders. Since the liner 28 is made of paper, it is possible to easily change the additive sorption region and sorption area in the liner 28 compared to the case where the additive is sorbed to the flavor raw material 10 of the flavor element 2 . Therefore, it is possible to easily adjust the sorption amount of the additive and the release amount of the additive component, and thus the delivery amount of the additive component to the user. Thus, in the article 1, the tubular element 4 functions as a flavor delivery segment that allows for easily controllable delivery of additives, eg, flavor delivery, to the user.

Both ends of the liner 28 in the tube radial direction Y are adhered to the inner peripheral surface 26a of the paper tube 26 by adhesive portions 36 . The adhesive portion 36 is formed by applying paste along the axial direction X of the liner 28 to a width of about 1 mm to 2 mm at both ends of the liner 28 and curing the paste. As a result, the liner 28 is fixed to the paper tube 26, so that the liner 28 is prevented from coming off, the buckling strength of the tubular element 4 is enhanced, and the function of the tubular element 4 as a support segment is enhanced. Note that the adhesive portion 36 may be formed only at one end portion of the liner 28 in the tube radial direction Y. As shown in FIG.

FIG. 4 shows a cross-sectional view when the paper tube 26 is developed in the tube radial direction Y. As shown in FIG. The inner paper web 30 and the outer paper web 32 constitute a double paper web 27 . The inner paper web 30 and the outer paper web 32 are strip-shaped with substantially the same width in the developed width direction Z, and have, for example, the same paper thickness and basis weight as the liner 28 .

The inner paper web 30 and the outer paper web 32 are displaced from each other in the width direction Z, and the inner peripheral surface 32a of the outer paper web 32 in the state of the paper tube 26 and the inner peripheral surface 32a of the inner paper web 30 in the state of the paper tube. The outer peripheral surface 30a forms an overlapping portion 38 that partially overlaps with each other.

Glue is applied to the inner peripheral edge portion 32b of the inner peripheral surface 32a of the outer paper web 32, which is a region other than the overlapping portion 38. The glue-applied inner peripheral edge 32b is overlapped with the outer peripheral edge 30b of the outer peripheral surface 30a of the inner paper web 30 other than the overlapped portion 38, and the glue hardens to form the seam bonded portion 40. (See Figure 3).

In this manner, the inner paper web 30 and the outer paper web 32 are arranged with their positions shifted in the width direction Z, and the double paper web 27 formed with the overlapping portion 38, the inner peripheral edge portion 32b, and the outer peripheral edge portion 30b is curved. Bonding is performed at the seam bonding portion 40 . As a result, as shown in FIG. 3, the paper tube 26 is formed by bonding the inner paper web 30 and the outer paper web 32 at the seam bonding portion 40 without unevenness.

Therefore, the outer peripheral surface 26b of the paper tube 26 becomes a smooth surface without unevenness, and the quality of the tubular element 4 is improved. In addition, since the paper tube 26 is formed from the double paper web 27, the buckling strength of the tubular element 4 is enhanced compared to the case where the paper tube 26 is formed from a single paper web, and the tubular element 4 functions as a support segment. is strengthened.

FIG. 5 shows a longitudinal section of a tubular element 4 according to another form of FIG. When the width of the liner 28 in the tube radial direction Y (width direction Z) is formed to be large, as shown in FIG. may be formed in the vicinity of In other words, glue may be applied along the axial direction X of the liner 28 to the portion of the liner 28 that can come into contact with the inner peripheral surface 26 a of the paper tube 26 .

FIG. 6 shows a vertical cross-sectional view of the tubular element 4 according to another form of FIG. 3, and FIG. 7 shows a cross-sectional view when the paper tube 26 of FIG. The paper tube 26 may be formed from a single paper web 29, as shown in FIG. As shown in FIG. 7, the single-ply paper web 29 is formed by overlapping an inner peripheral edge portion 29a to which glue is applied and an outer peripheral edge portion 29b to which glue is not applied. A seam bond 40 is formed. At least the liner 28 is fixed to the cardboard tube 26 although there is a step at the seam bonding portion 40 . Therefore, the liner 28 is prevented from coming off, the buckling strength of the tubular element 4 is enhanced, and the function of the tubular element 4 as a support segment is enhanced.

FIGS. 8 to 12 schematically show longitudinal sections of tubular elements 4 with liner 28 of a different form than that shown in FIG. Each figure schematically shows a form in which the paper tube 26 is formed from a single paper web. FIG. 8 shows a tubular element 4 having a liner 28 with a zigzag profile in longitudinal section. The liner 28 is formed in a zigzag shape with substantially the same width in the tube radial direction Y, and the zigzag-shaped ridges 28 a do not contact the inner peripheral surface 26 a of the paper tube 26 .

FIG. 9 shows a longitudinal section through a tubular element 4 with an alternative form of zigzag liner 28 . The liner 28 extends to a position where all the zigzag-shaped ridges 28a contact the inner peripheral surface 26a of the paper tube 26, or can contact them. FIG. 10 shows a longitudinal section through a tubular element 4 having a liner 28 of yet another form of zigzag shape.

In this liner 28, adjacent liner portions located in the center of the zigzag shape are in contact with each other. Other liner portions are spread out in a fan shape along the pipe radial direction Y around the contact portion between the liner portions. It extends to a position where it contacts the inner peripheral surface 26a of the tube 26, or a position where it can contact.

FIG. 11 shows a longitudinal section through a tubular element 4 having a liner 28 with a star-shaped longitudinal section. The liner 28 contacts or can contact the inner peripheral surface 26a of the cardboard tube 26 at all of the star-shaped ridges 28a. FIG. 12 shows a longitudinal cross-sectional view of a tubular element having a liner 28 composed of three

independent liners

28A, 28B, 28C of circular longitudinal cross-section. Although the

liners

28A, 28B, and 28C are spaced apart from each other, they are all in contact with the inner peripheral surface 26a of the cardboard tube 26, or can be in contact therewith.

8 to 12, similarly to the embodiment shown in FIG. More preferably, it is at least twice the inner diameter d of the paper tube 26 . Therefore, even in the case of the liner 28 shown in FIGS. 8 to 12, the same effects as those of the S-shaped liner 28 described above can be obtained.

<Tubular Element Manufacturing Apparatus and Manufacturing Method>
A manufacturing apparatus 50 for the tubular element 4 and a method for manufacturing the tubular element 4 using the manufacturing apparatus 50 will be described below with reference to FIGS. 13 and 14. FIG. FIG. 13 shows a schematic view of an apparatus 50 for manufacturing tubular elements 4 and FIG. 14 shows a flow chart explaining the method for manufacturing tubular elements 4 .

The manufacturing apparatus 50 includes a first paper web supply section 52, a first paper web cutting section 54, a lateral conveying section 56, a gluing section 58, a displacement section 60, a heating section 62, a tube forming section 64, a second paper web supply section 66, It includes a second paper web cutting section 68, a liner forming section 70, a cutting section 72, and the like.

When the manufacture of the tubular element 4 is started, in the first paper web supply section 52, the first paper web 74 is pulled out from a bobbin (not shown) on which a paper roll is set. The first paper web 74 is conveyed along the first conveying path 78 while being guided by rollers 76 (S1: first paper web supply step). Next, in the first paper web cutting section 54, the first paper web 74 is longitudinally cut into strip-like inner paper webs 30 and outer paper webs 32 (S2: first paper web cutting step).

Next, in the horizontal conveying section 56, the cut inner paper web 30 and outer paper web 32 are separated from each other and conveyed to first conveying

paths

78a and 78b branching from the first conveying path 78, respectively. (S3: Lateral transport step). Next, in the gluing section 58, the overlapping portion 38 and the inner peripheral edge portion 32b of the outer paper web 32 are glued (S4: gluing step).

Next, the inner paper web 30 and the outer paper web 32 join at the pair of tension rollers 80 and are conveyed through the first conveying path 78 where they are joined again. Next, in the displacement section 60, the position of the inner paper web 30 is displaced from the outer paper web 32 in the width direction crossing the conveying direction (S5: position displacement step). The inner paper web 30 and the outer paper web 32 are superimposed on each other while being displaced to form an overlapping portion 38 .

Next, in the heating section 62, the adhesive applied to the overlapping portion 38 is cured by the heat of the heater to form the bonding portion 34 (S6: heating step). In order to ensure the hardening of the glue, a cooling step may be performed in which the paste passes through a cooling section (not shown) after passing through the heating section 62 . Also, it is not necessary to pass through the heating section 62 or the cooling section as long as the hardening of the glue is ensured.

The inner paper web 30 and the outer paper web 32 are formed into a flat double paper web 27 integrated by bonding the overlapping portions 38 at the bonding portions 34 , and the double paper web 27 is conveyed to the tube forming section 64 . Manufacturing apparatus 50 further comprises a seam gluing section 82 . A seam gluing section 82 is provided between the heating section 62 and the tube forming section 64 . The gluing of the inner perimeter edge 32b may be performed at the seam gluing section 82 rather than at the gluing section 58 .

When the manufacture of the tubular element 4 is started, the following steps S10 to S12 are performed in parallel with the steps S1 to S6 described above. First, in the second paper web supply section 66, the second paper web 88 is pulled out from a bobbin (not shown) on which a paper roll is set. The second paper web 88 is conveyed through the second conveying path 90 while being guided by the rollers 76 (S10: second paper web supplying step).

Next, in the second paper web cutting section 68, the second paper web 88 is longitudinally cut into strip-shaped strip paper webs 92 (S11: second paper web cutting step). In the second paper web cutting step, the second paper web 66 is cut into a strip paper web 92 whose total cross-sectional length in the tube radial direction Y of the paper tube 26 is greater than the inner diameter d of the paper tube 26. More preferably, the cross-sectional length is cut into a strip paper web 92 whose total is at least twice the inner diameter d of the paper tube 26 .

Next, in the liner molding section 70, a frictional force is applied to both edges of the strip paper web 92 in the tube radial direction Y, thereby extending the strip paper web 92 in the longitudinal direction to form the liner 28 having an S-shaped longitudinal section. (S12: liner molding step). More specifically, liner molding section 70 includes a rotor tube 94 shown in FIG.

15 shows a cross-sectional view of the rotor tube 94. FIG. The rotor tube 94 is rotatably supported by a support member 96 via bearings 98 and receives the strip paper web 92 while rotating. The rotor tube 94 has an inlet section 94a for receiving the stripped paper web 92, an outlet section 94b for discharging the formed liner 28 toward the tube forming section 64, and a tapering diameter from the inlet section 94a to the outlet section 94b. and an inner peripheral surface 94c.

In the liner forming section 70, when receiving the strip paper web 92, both edges of the strip paper web 92 come into contact with the inner peripheral surface 94c of the inlet portion 94a. As a result, a frictional force acts on both edges of the strip paper web 92, and the strip paper web 92 is curved in an S shape to form a curved portion, forming the liner 28 having an S-shaped vertical cross section.

In addition, the entrance portion 94a has an opening edge 94d with an opening diameter D of 30% to 80% of the paper width of the strip paper web 92. The opening edge 94d is a region included in the inner peripheral surface 94c. As a result, at the initial stage of receiving the strip paper web 92, both edges of the strip paper web 92 can be brought into contact with the opening edges 94d, and a frictional force can be reliably applied to the paired circles. Therefore, the strip paper web 92 can be reliably formed into the S-shaped liner 28 .

In addition, the inner peripheral surface 94c of the rotor tube 94 is surface-treated to have an arithmetic mean roughness Ra of 5 μm to 30 μm. As a result, when both edges of the strip paper web 92 come into contact with the inner peripheral surface 94c (including the opening edge 94d) of the inlet portion 94a, the frictional force can be applied to the both edges more effectively. Therefore, the strip paper web 92 can be reliably formed into the S-shaped liner 28 .

The liner molding section 70 includes an adder 100 that adds additives to the liner 28. Additives may include flavoring ingredients, activated charcoal, aerosol extenders, and the like. The dosing device 100 adds the additive to the predetermined sorption region and sorption area of the liner 28 to cause the liner 28 to sorb the additive (P1: dosing process). The additive may be added in advance to the strip paper web 92 or the second paper web 88 before the liner 28 is formed.

In the tube molding section 64, the second conveying path 90 joins the first conveying path 78 to receive the liner 28 molded in the liner molding section 70. Next, the tube forming section 64 continuously wraps the liner 28 with the double paper web 27 formed by overlapping the first paper webs 74 , and continuously wraps the double paper web 27 into the cylindrical hollow paper tube 26 . molded into Thereby, a tubular rod 102 having the liner 28 arranged in the paper tube 26 along the axial direction X of the paper tube 26 is formed (S7: tube forming step).

Specifically, the tube forming section 64 comprises a forming bed 104 . A forming bed 104 is arranged along the first conveying path 78 , and a forward portion of an endless garniture belt 106 is arranged on the forming bed 104 . The return portion of the garniture belt 106 that has left the forming bed 104 is guided by each roller 76 and wound around the driving drum 108 . The driving drum 108 is rotated by the driving force of an electric motor (not shown). Rotation of the drive drum 108 causes the forward portion of the garniture belt 106 to travel along the first conveying direction 78 .

The double paper web 27 is guided over the forward portion of the garniture belt 106 and superimposed on the garniture belt 106 . A pressing member 110 is provided above the starting end of the forming bed 104 . The pressing member 110 presses the double paper web 27 against the groove bottom of the forming groove formed in the forming bed 104 . As a result, the double paper web 27 runs integrally with the garniture belt 106 due to the frictional force with the garniture belt 106, and the double paper web 27 is continuously formed into a U-shape and finally wraps the liner 28. It is molded into a paper tube 26 .

The tube forming section 64 includes an applicator 112 that applies glue to the liner 28 . The applicator 112 glues both ends of the liner 28 in the tube radial direction Y, at least before the tubular rod 102 is formed (P2: gluing process). Note that the applicator 112 may apply glue only to one end portion of the liner 28 in the tube radial direction Y. As shown in FIG. Alternatively, the applicator 112 may be placed in the liner molding section 70 and glued to the liner 28 during the molding of the liner 28 . Moreover, the glue may be applied not only to both ends or one end of the liner 28 but also to a portion of the liner 28 that can come into contact with the inner peripheral surface 26 a of the paper tube 26 along the axial direction X of the liner 28 .

The tube forming section 64 has a heater 114 that heats the glue applied to the liner 28 . The heater 114 heats and hardens the paste applied to the liner 28 to form the adhesive portion 34 and the joint adhesive portion 40 (P3: heating process). In addition, in order to ensure the hardening of the paste, the paste may be passed through a cooler (not shown) after passing through the heater 114 . Further, the heater 114 or the cooler may not be provided as long as the hardening of the paste is ensured.

By bonding the liner 28 to the inner peripheral surface 26a of the paper tube 26 in this manner, a tubular rod 102 in which the paper tube 26 and the liner 28 are integrated is formed. Next, in cutting section 72, tubular rod 102 is cut to a predetermined length to form tubular element 4 (S8: cutting step). This completes the manufacture of tubular element 4 .

<Support segment function test>
The graph in FIG. 16 shows the percentage of flavor ingredient 10 that drips from flavor element 2 . In Example 1, an article 1 in which a flavor element 2 and a tubular element 4 composed of a paper tube 26 and a liner 28 are connected is used. In Comparative Example 1, an article 1 in which a flavor element 2 and a tubular element 4 made up of only a paper tube 26 are connected is used. The basis weight of the paper webs used for the tubular elements 4 of Example 1 and Comparative Example 1 are both 82 gsm. The filling amount of the flavor raw material 10 with which the flavor elements 2 of Example 1 and Comparative Example 1 are filled is 260 mg or more.

FIG. 17 shows a schematic diagram of the test equipment that produced the results of FIG. The test apparatus is a device provided with a pin-shaped heater 12, the diameter D1 of the heater 12 is 2 mm, and the length L of the heater 12 is 18 mm. In this test, using this test apparatus, when the flavor elements 2 of Example 1 and Comparative Example 1 were inserted into the heater 12 in the direction of the arrow, the The ratio of the flavoring material 10 spilled (spillage ratio) is measured.

As shown in FIG. 16, the spill rate of Example 1 is about 4%, and the spill rate of Comparative Example 1 is about 28%. The tubular element 4 having the liner 28 of Example 1 has a supporting segment function of supporting the flavor raw material 10 so that it does not spill down to the tubular element 4 side, compared to the tubular element 4 having no liner 28 of Comparative Example 1. is enhanced about 7 times. These results demonstrate that the tubular element 4 with the liner 28 functions effectively as a support segment that prevents the flavoring ingredients 10 from spilling when the heater 12 is inserted into the flavoring element 2 .

<Buckling strength test of tubular element>
The graph of FIG. 18 shows the maximum load to buckling when the tubular element 4 is pressed in its axial direction. In Example 1, a tubular element 4 composed of a paper tube 26 and a liner 28 (without the adhesive portion 36 of the liner 28) is used. In Example 2, a tubular element 4 composed of a paper tube 26 and a liner 28 (with an adhesive portion 36 of the liner 28) is used. In Comparative Example 1, a tubular element 4 (single-ply paper web) composed only of a paper tube 26 is used. In Comparative Example 2, a tubular element 4 (double paper web) composed only of a paper tube 26 is used. The paper web used for the tubular element 4 of each example and each comparative example has a paper thickness of 0.1 mm to 013 mm and a basis weight of 82 gsm to 100 gsm. The same applies to each subsequent test.

FIG. 19 is a schematic diagram of the test equipment that produced the results of FIG. The test device comprises a cylindrical pusher 116 whose diameter D2 is 15 mm, which is larger than the diameter of the tubular element 4 . In this test, the test equipment was used to lower the pusher 116 in the direction of the arrow to press one end of the tubular element 4 erected in the axial direction X, and at this time, the maximum load until the tubular element 4 buckled was applied. Measure. Thereby, the buckling strength of the entire tubular element 4 is measured. The pusher 116 has a descending speed of 20 mm/min and a descending distance of the pusher 116 from one end of the tubular element 4 is 2 mm.

As shown in FIG. 18, the maximum load of Example 1 is about 68N, and the maximum load of Example 2 is about 61N. On the other hand, the maximum load of Comparative Example 1 is about 23N, and the maximum load of Comparative Example 2 is about 38N. As is clear from the results of Examples 1 and 2, the buckling strength of the tubular element 4 is slightly increased when the liner 28 is not adhered to the inner peripheral surface 26a of the cardboard tube 26 . If the liner 28 is not adhered to the paper tube 26, the displacement of the liner 28 with respect to the paper tube 26 is allowed when pressed, and the paper tube 26 and the liner 28 individually generate a reaction force against the pressing force, resulting in This is because the pressing force is distributed as

As is clear from the results of Comparative Examples 1 and 2, the buckling strength of the tubular element 4 is increased by about 1.7 times by forming the paper tube 26 from the double paper web 27 in which the inner and

outer paper webs

30 and 32 are overlapped. strengthened to The tubular element 4 having the liner 28 of Example 1 has about three times the buckling strength of the tubular element 4 composed only of the paper tube 26 of Comparative Example 1. Further, the tubular element 4 having the liner 28 of Example 1 has a buckling strength of about 1.8, compared to the tubular element 4 having only the paper tube 26 of the double paper web 27 of Comparative Example 2. double strengthened.

There is concern that the article 1 may buckle in the tubular element 4 due to insertion resistance when the flavor element 2 is inserted into the heater 12 of the device. However, from the results described above, it has been found that the buckling strength of the tubular element 4 is greatly enhanced by providing the tubular element 4 with the liner 28 having the curved portion. It has also been found that the buckling strength of the tubular element 4 is further enhanced by constructing the paper tube 26 from the double paper web 27 .

<Liner buckling strength test>
The graph of FIG. 20 shows the maximum load before the liner 28 buckles when pressed in its axial direction X. FIG. In Example 1, a tubular element 4 composed of a paper tube 26 and a liner 28 without an adhesive portion 36 is used. In Example 2, a tubular element 4 composed of a paper tube 26 and a liner 28 with an adhesive portion 36 is used. In Comparative Example 1, a tubular element 4 made up of a paper tube 26 and a non-curved strip-shaped liner 28 is used. In Example 3, a tubular element 4 composed of a paper tube 26 and a liner 28 made of double paper webs is used.

FIG. 21 is a schematic diagram of the test equipment that produced the results of FIG. The test device comprises a cylindrical pusher 116 whose diameter D3 is 5 mm which is smaller than the diameter of the tubular element 4 . In this test, the test equipment was used to lower the pusher 116 in the direction of the arrow to press one end of the tubular element 4 standing upright in the axial direction X, and at this time the maximum load until the tubular element 4 buckled ( buckling strength). The pusher 116 has a descending speed of 20 mm/min and a descending distance of the pusher 116 from one end of the tubular element 4 is 2 mm.

As shown in FIG. 20, the maximum load of Example 1 is about 4.6N, the maximum load of Example 2 is about 4.9N, and the maximum load of Example 3 is about 8.2N. On the other hand, the maximum load of Comparative Example 1 is about 0.8N. As is clear from the results of Examples 1 and 2, the buckling strength of the liner 28 increases when the liner 28 is adhered to the inner peripheral surface 26a of the paper tube 26 . This is because when the liner 28 is adhered to the paper tube 26 , the pressing force applied to the liner 28 is also distributed to the paper tube 26 .

As is clear from the results of Examples 1 and 2 and Comparative Example 1, by forming the liner 28 in an S-shape, the liner 28 has a higher density than when the liner 28 is formed in a strip shape without curved portions. The buckling strength is enhanced by about 5.7 times to about 6.1 times. The liner 28 made of the double paper web 27 of Example 3 has about 1.8 times the buckling strength of the liner 28 of Example 1 made of the single paper web.

There is concern that the article 1 may buckle at the liner 28 of the tubular element 4 due to insertion resistance when the flavor element 2 is inserted into the heater 12 of the device. However, from the results described above, it has been found that the buckling strength of the liner 28 is greatly enhanced by providing the tubular element 4 with a liner 28 having a curved portion. Further, it has been found that the buckling strength of the liner 28 is further enhanced by forming the adhesive portion 36 on the liner 28 and constructing the liner 28 from a double paper web.

<Temperature measurement test of goods>
FIG. 22 shows a schematic diagram of a test apparatus for the temperature measurement test of the article 1, and the graph of FIG. 23 shows time series temperature changes at the measurement points P1, P2, and P3 of FIG. The test apparatus heats the peripheral surface of the flavor element 2 of the article 1 shown in FIG. The temperature is measured at a measuring point P2 and at a measuring point P3 located in the vicinity of the first filter element 6 in the tubular element 4, respectively.

As shown in FIG. 23, about 40 seconds after the start of the test, the measurement point P1 is about 145°C, the measurement point P2 is about 90°C, and the measurement point P3 is about 50°C. About 180 seconds after the start of the test, the measurement point P1 is about 145°C, the measurement point P2 is about 65°C, and the measurement point P3 is about 42°C. About 240 seconds after the start of the test, the measurement point P1 is about 140°C, the measurement point P2 is about 60°C, and the measurement point P3 is about 40°C.

Since the measurement point P1 is closest to the heater 118, the temperature rises sharply at the beginning compared to the measurement points P2 and P3, and the overall temperature is maintained at a high temperature for a long time. The temperatures at the measurement points P1 to P3 are hunted, but the hunting at the measurement point P1 is smoother than at the measurement points P2 and P3. From these results, when the additive is sorbed on the liner 28 of the tubular element 4 , the sorption region of the additive is at a position as close as possible to the heater 118 , that is, at a position near the flavor element 2 of the liner 28 adjacent to the flavor element 2 . , the sorption region is maintained at a relatively high temperature from the initial stage, thereby continuing to promote volatilization of the additive and thus aerosolization.

<Flavor component delivery test>
FIG. 24 shows a cross-sectional view of each article 1 used in comparative examples and examples of the flavor component delivery test. In this test, the end surface of the first filter element 6 or the second filter element 8 is sucked (puffed) while the peripheral surface of the flavor element 2 of each article 1 having a different form is heated by the heater 118, and the article 1 is extracted from the end surface. measure the amount of flavoring delivered to the exterior of the

The article 1 of Comparative Example 1 comprises a flavor element 2 (tobacco rod) containing a flavor component, a tubular element 4 composed only of a paper tube 26, a first filter element 6, and a second filter element 8 that sorbs the flavor component. consists of The article 1 of Comparative Example 2 is composed of a flavor element 2 (tobacco rod), a tubular element 4 composed only of a paper tube 26, a first filter element 6, and a second filter element 8 that adsorbs flavor components. .

The article 1 of Comparative Example 3 is composed of a flavor element 2 (tobacco rod), a tubular element 4 composed only of a paper tube 26, and a first filter element 6 that sorbs flavor components. The article 1 of Example 1 includes a flavor element 2 (tobacco rod), a tubular element 4 composed of a paper tube 26 and a liner 28 having a folded shape and having sorbed flavor components, and a second It consists of one filter element 6 . The article 1 of Example 2 comprises a flavor element 2 (tobacco rod), a tubular element 4 composed of a paper tube 26 and an S-shaped liner 28 that sorbs a flavor component, and a flavor component that has been sorbed. It consists of a first filter element 6 . Menthol is used as the sorbed flavor component.

The graph in FIG. 25 shows the delivery amount of the flavor component for each number of puffs in each article 1 in FIG. 24 in chronological order. The polygonal line located at the top of the graph shown in FIG. 25 indicates the temperature of the heater 118, and the vertical axis on the right side of the graph indicates the temperature scale. Article 1 of Example 2 delivers about 0.57 mg/stk of flavor ingredient, the highest in the first puff. Note that the unit "stk" means one stroke of the suction operation of the article 1, that is, one puff.

In addition, the article 1 of Example 2 delivers at least 0.1 mg/stk or more of the flavor component from the initial stage of puffing to the final stage of puffing. Although the product 1 of Example 1 has a slightly smaller flavor component delivery amount in the first puff than the product 1 of Example 2, the change in the flavor component delivery amount with an increase in the number of puffs is almost the same as that of the product 1 of Example 2. is.

FIG. 26 shows an image diagram of the tubular element 4 of Example 2. FIG. In Example 2, when the flavor component 120 is sorbed in the vicinity of the flavor element 2 of the liner 28 as illustrated, the heat of the heater 118 that heats the flavor element 2 is easily transferred to the flavor component 120 . Therefore, as shown in FIG. 26, the flavor component 120 evaporates early to form an aerosol 122, and a large amount of the flavor component 120 can be supplied to the user at the initial puff stage.

In addition, since the liner 28 of Example 2 has a simple S-shape, a wider space is secured in the paper tube 26 than the folded-shape liner 28 of Example 1, and air permeability of the paper tube 26 is improved. increase. The enhanced air permeability of the paper tube 26 promotes volatilization and aerosolization of the volatilized flavor component 120, so the delivery amount of the flavor component in the first puff is slightly larger in Example 2 than in Example 1. .

27 shows an image diagram of flavor element 2 of Comparative Example 1. FIG. In the flavor element 2 of Comparative Example 1, the tobacco material 124 filled around the flavor component 120 is present, resulting in a dense state, and the air permeability within the flavor element 2 is reduced. In Comparative Example 1, the volatilization and aerosolization of the flavor component 120 was delayed in the initial stage of puffing due to the decrease in air permeability, and the delivery amount of the flavor component in the first puff was about 0.35 mg/ stk.

However, in Comparative Example 1, as time passed and the number of puffs increased, the temperature of the flavor element 2 was gradually increased by being heated by the heater 118, and volatilization and aerosolization of the flavor component 120 in the flavor element 2 were gradually promoted. be. The heated airflow also promotes volatilization and aerosolization of the flavor components sorbed on the second filter element 8 . Therefore, the amount of flavor component delivered from the 8th puff to the 11th puff is greater than in Examples 1 and 2.

In Comparative Examples 2 and 3, only the first filter element 6 and the second filter element 8 spaced apart from the flavor element 2 contain flavor components. Therefore, it takes time until the airflow is heated by the heater 118 . Moreover, there is also a problem that the flavor component is filtered in the first filter element 6 and the second filter element 8 . Therefore, in Comparative Examples 2 and 3, the volatilization amount of the flavor component itself is small, and the delivery amount of the flavor component remains small even with the passage of time and the increase in the number of puffs.

These results indicate that the flavor component is also added and sorbed to the liner 28 of the tubular element 4 adjacent to the flavor element 2 rather than being added and sorbed only to the flavor element 2 that is directly heated by the heater 118. is preferred. Also, rather than adding and sorbing only to the first filter element 6 or the second filter element 8 spaced from the flavor element 2, it is preferable to add and sorb to the liner 28 of the tubular element 4 adjacent to the flavor element 2 as well. preferable. Thereby, more flavor components can be supplied to the user more efficiently.

As described above, in the manufacturing apparatus 50 and the manufacturing method of the tubular element 4 of the embodiment, the tube forming section 70 receives the liner 28 by joining the second conveying path 90 to the first conveying path 78, and the first While continuously wrapping the liner 28 with the paper web 74, the liner 28 is arranged in the paper tube 26 along the axial direction X of the paper tube 26 to form the tubular rod 102 (tube forming step). Further, in cutting section 72, tubular rod 102 is cut and shaped into tubular element 4 (cutting step). Here, in the second paper web cutting section 68, the second paper web 88 is cut into a strip paper web 92 whose total cross-sectional length in the tube radial direction Y is greater than the inner diameter d of the paper tube 26 (second paper web cutting step). .

As a result, in the liner forming section 70, the liner 28 having a total cross-sectional length larger than the inner diameter d of the paper tube 26 is formed, and the liner 28 having no filtration function prevents the flavor component volatilized in the flavor element 2 from being reduced as much as possible. can be provided to the user. Further, since the total cross-sectional length of the liner 28 is larger than the inner diameter d of the paper tube 26, the liner 28 is formed with a curved portion, and a large surface area of the liner 28 can be secured. Therefore, it is possible to realize a cooling segment function that immediately cools and aerosolizes the flavor components volatilized in the flavor element 2 on the surface of the liner 28 .

Specifically, in the liner molding section 70, when the strip paper web 92 is received, both edges of the strip paper web 92 come into contact with the inner peripheral surface 94c of the inlet portion 94a of the rotor tube 94 (liner molding step). As a result, a frictional force acts on both edges of the strip paper web 92, and the strip paper web 92 is curved in an S shape to form a curved portion. .

In addition, the inlet portion 94a of the rotor tube 94 has an opening edge 94d with an opening diameter D of 30% to 80% of the paper width of the strip paper web 92. As a result, the strip paper web 92 can be reliably brought into contact with the opening edge 94d of the inlet portion 84 at the initial stage of receiving, so that the strip paper web 92 can be curved to be reliably formed into the S-shaped liner 28. be.

In addition, the inner peripheral surface 94c of the rotor tube 94 is surface-treated to have an arithmetic mean roughness Ra of 5 μm to 30 μm. As a result, the frictional force generated when both edges of the strip paper web 92 come into contact with the inner peripheral surface 94c of the inlet portion 94a can be generated more favorably, so that the strip paper web 92 is curved into an S shape. It can be more reliably molded to the liner 28 .

Also, the liner molding section 70 is equipped with an additive 100 to add additives to the liner 28 (addition process). Additives, specifically flavoring agents, activated carbon, and aerosol extenders, provide a variety of options for liner 28 and thus article 1 . Sorption of additives to the liner 28 is easy, and by varying the sorption area and area of the additives in the liner 28, the delivery of additives, e.g., flavorants, to the user is easily controlled. An enabling flavor delivery segment function can be realized.

In addition, when the tubular element 4 is arranged adjacent to the flavor element 2, the liner 28 can realize a support segment function of suppressing spillage of the flavor ingredient 10 filled in the flavor element 2. Further, the tube forming section 64 includes an applicator 112 that applies glue along the axial direction X of the liner 28 to the portion of the liner 28 that may contact the inner peripheral surface 26a of the paper tube 26 (application process ). As a result, the liner 28 is adhered to the inner peripheral surface 26a of the cardboard tube 26, and the liner 28 is fixed to the cardboard tube 26, thereby preventing the liner 28 from coming off and enhancing the buckling strength of the tubular element 4. , the function as supporting segment of the tubular element 4 is enhanced.

The paper thickness of the liner 28 is 0.05 mm to 1 mm, and the basis weight of the liner 28 is 80 gsm to 120 gsm. This enhances the buckling strength of the liner 28 and enhances the function of the liner 28 and thus the tubular element 4 as a supporting segment. The thickness and basis weight described above may be achieved by forming the liner 28 from a double paper web.

More preferably, the second paper web cutting section 68 cuts the second paper web 88 into strip paper webs 92 in which the total cross-sectional length of the liner 28 in the tube radial direction Y is at least twice the inner diameter of the paper tube 28 (second paper web cutting section 68). 2 paper web cutting step). This further increases the surface area of liner 28, thereby further enhancing the functions of the previously described cooling, support, and flavor delivery segments.

Also, the liner forming section 70 forms the strip paper web 92 into the liner 28 having an S-shaped cross section in the pipe radial direction Y (liner forming step). This allows the liner 28 to have a relatively simple shape, which facilitates the manufacture of the liner 28 . In addition, since the liner 28 has a simple shape, the airflow path in the paper tube 26 can be fully utilized as a space for volatilization and aerosolization of flavor components, etc., and the various effects described above can be obtained.

This completes the description of the embodiment, but the embodiment is not limited and can be modified in various ways without departing from the scope of the invention. For example, in the liner molding step, the means for applying frictional force to both edges of the strip paper web 92 is not limited to the configuration using the rotor tube 94 described above.

Also, the configuration of the article 1 and the position of the tubular element 4 in the article 1 are not limited to the above-described forms. However, as mentioned above, it is preferable to arrange the tubular element 4 adjacent to the flavor element 2 to be heated. Also, the article 1 does not necessarily have a filter element, and the flavor element 2 may not contain tobacco raw materials. Also, the shape of the liner 28 is not limited to the S-shape and the illustrated shapes as long as it satisfies the conditions described above.

Moreover, as is clear from the results of the <buckling strength test of tubular element> and the <buckling strength test of liner>, when the buckling strength of the tubular element 4 is desired to be enhanced, the paper tube 26 of the tubular element 4 is doubled. It may be formed from a paper web 27 and the liner 28 from a double paper web. Moreover, as is clear from the results of the <Flavor Component Delivery Test>, an additive containing a flavor component such as a flavoring agent is added to the liner 28 of the tubular element 4 adjacent to the flavor component 2 to be heated and sorbed. is preferred. However, the tubular element 4 does not necessarily have to be arranged adjacent to the flavor element 2, and may be arranged relatively close to it.

In addition, as is clear from the results of the <article temperature measurement test>, in order to promote volatilization of the additive and eventually aerosolization, the region where the additive is sorbed on the liner 28 is the object to be heated, and the flavor element 2 , ie, the side of the flavor element 2 or one end of the liner 28 that can contact the flavor element 2 . However, the invention is not limited to this, and the additive sorption region and sorption area of the liner 28 can be variously changed according to the specifications of the article 1 .

1 Flavor Inhalation Article 2 Flavor Element 4 Tubular Element 26 Paper Tube 26a Inner Peripheral Surface 28 Liner 50 Manufacturing Device 64 Tube Forming Section 68 Second Paper Web Cutting Section 70 Liner Forming Section 72 Cutting Section 74 First Paper Web 78 First Conveying Path 88 Second 2 paper webs 90 second conveying path 92 strip paper web 94 rotor tube

94a inlet portion

94b outlet portion 94c inner peripheral surface 94d opening edge 100 adder 112 applicator 102 tubular rod d inner diameter D opening diameter X axial direction Y radial direction

Claims

A manufacturing apparatus for manufacturing a tubular element of a flavor inhalation article having a non-combustible heated flavor element, comprising:
a first transport path for transporting the first paper web;
a tube forming section for continuously forming the first paper web into a cylindrical hollow paper tube in the process of transporting the first paper web on the first transport path;
a second transport path for transporting the second paper web;
a second paper web cutting section that cuts the second paper web into strip-like strip paper webs in the longitudinal direction thereof in the process of conveying the second paper web on the second conveying path;
In the course of conveying the strip paper web on the second conveying path, a frictional force is applied to both edges of the strip paper web in the tube radial direction of the paper tube to continuously form the strip paper web into a liner. a liner molded section and
The pipe forming section receives the liner formed by the liner forming section by joining the first conveying path with the second conveying path, and continuously wraps the liner with the first paper web, disposing the liner within the paper tube along the axial direction of the paper tube to form a tubular rod;
further comprising a cutting section for cutting and shaping the tubular rod formed from the tube forming section into the tubular element;
The second paper web cutting section cuts the second paper web into the strip paper web whose total cross-sectional length in the tube radial direction is greater than the inner diameter of the paper tube.
said liner molding section comprising a rotor tube that receives said stripped paper web while rotating;
The rotor tube is
an inlet for receiving the stripped paper web;
an outlet for discharging the formed liner toward the tube forming section;
and an inner peripheral surface whose diameter gradually decreases from the inlet portion toward the outlet portion,
2. The apparatus for manufacturing a tubular element according to claim 1, wherein in said liner molding section, when said strip paper web is received, said both edges of said strip paper web contact said inner peripheral surface of said inlet portion.
The apparatus for manufacturing a tubular element according to claim 2, wherein the inlet portion has an opening edge with an opening diameter of 30% to 80% of the paper width of the strip paper web.
The apparatus for manufacturing a tubular element according to claim 2 or 3, wherein the arithmetic surface roughness Ra of the inner peripheral surface of the rotor tube is 5 µm to 30 µm.
The apparatus for manufacturing a tubular element according to any one of claims 1 to 4, wherein said liner molding section comprises an additive for adding an additive to said liner.
6. The tube forming section according to any one of claims 1 to 5, comprising an applicator that applies glue along the axial direction of the liner to a portion of the liner that can come into contact with the inner peripheral surface of the paper tube. A device for manufacturing a tubular element according to 1.
7. The second paper web cutting section cuts the second paper web into the strip paper web in which the total cross-sectional length of the liner in the tube radial direction is at least twice the inner diameter of the paper tube. An apparatus for manufacturing a tubular element according to any one of Claims 1 to 3.
The tubular element manufacturing apparatus according to any one of claims 1 to 7, wherein the liner forming section forms the strip paper web into the liner having an S-shaped cross section in the pipe radial direction.
A manufacturing method for manufacturing a tubular element of a flavor inhalation article having a non-combustible heated flavor element comprising:
a first paper web supplying step of supplying a first paper web and conveying it to a first conveying path;
a tube forming step of continuously forming the first paper web into a cylindrical hollow paper tube in the course of transporting the first paper web in the first transport path;
a second paper web supplying step of supplying a second paper web and conveying it to a second conveying path;
a second paper web cutting step of cutting the second paper web along its longitudinal direction into strip-shaped strip paper webs in the course of conveying the second paper web on the second conveying path;
In the course of conveying the strip paper web on the second conveying path, a frictional force is applied to both edges of the strip paper web in the tube radial direction of the paper tube to continuously form the strip paper web into a liner. a liner molding step;
In the pipe forming step, the second conveying path joins the first conveying path to receive the liner formed in the liner forming step, and the first paper web continuously wraps the liner, disposing the liner within the paper tube along the axial direction of the paper tube to form a tubular rod;
further comprising a cutting step of cutting the tubular rod formed in the tube forming step to form the tubular element;
In the second paper web cutting step, the second paper web is cut into the strip paper web whose total cross-sectional length in the tube radial direction is greater than the inner diameter of the paper tube.
The method for manufacturing a tubular element according to claim 9, wherein the liner molding step includes an addition process of adding an additive to the liner.
11. The tubular element according to claim 9 or 10, wherein, in said tube forming step, an application process is performed in which glue is applied along said axial direction of said liner to portions of said liner that may come into contact with the inner peripheral surface of said paper tube. manufacturing method.
12. In the step of cutting the second paper web, the second paper web is cut into the strip paper web in which the total cross-sectional length of the liner in the tube radial direction is at least twice the inner diameter of the paper tube. A method for manufacturing a tubular element according to any one of Claims 1 to 3.
The method for manufacturing a tubular element according to any one of claims 9 to 12, wherein in the liner forming step, the strip paper web is formed into the liner having an S-shaped cross section in the pipe radial direction.