Tube container

Abstract

The present invention suppresses breakage of a trunk of a tube container when dropped, while suppressing intrusion of foreign matter inside of a cap.　In a tube container 1, a trunk 10 includes an opening 11 of a tubular body T formed by connecting one side end SE1 and another side end SE2 of one sheet S with each other. The opening 11 includes a connected end 111, which is a part of the portion where the one side end SE1 and the other side end SE2 are connected to each other. A cap 30 includes an engaging section 31 and a peripheral wall section 32. The peripheral wall section 32 extends from the engaging section 31 toward a shoulder section 22. The peripheral wall section 32 includes a first tip 321 and a second tip 322. The second tip 322 faces the shoulder section 22. The second tip 322 overlaps with a virtual plane P including a central axis C and the connected end 111. The shortest length from the second tip 322 to the shoulder section 22 is longer than the shortest length from the first tip 321 to the shoulder section 22.

Description

Tube container 【0001】 This disclosure relates to a tube container. 【0002】 In a conventional tube container disclosed in Japanese Patent Application Laid-Open No. 2021-138458 (Patent Document 1), as a barrel portion, a transparent cylindrical body formed by sealing side edges of overlapping rectangular film materials is used. The pouring unit is composed of a pouring outlet portion and a shoulder portion that projects radially outward from this pouring outlet portion. Also, a cap is configured to be detachable from the pouring outlet portion. 【0003】 A conventional tube container disclosed in Japanese Patent Application Laid-Open No. 2020-117232 (Patent Document 2) includes a head member having a barrel tube, which is a laminate-formed tube, and a shoulder joined to one end of the barrel tube. The barrel tube has a joint portion where laminate sheets are joined to each other along its longitudinal direction. The cap has a head and a cover connected to the head. The head has an inner cylinder portion attached to the tube container and an outer cylinder portion located radially outside the inner cylinder portion. 【0004】 Japanese Patent Application Laid-Open No. 2021-138458, Japanese Patent Application Laid-Open No. 2020-117232 【0005】 In order to suppress foreign matter from entering the inside of the cap from the outside, it is preferable to make the distance between the cap and the shoulder small. However, when this distance is small, when the tube container falls and lands on the cap side, the shoulder and the edge of the cap strongly contact each other. A large stress is applied to this contact location. This stress is transmitted to the connection portion where the side end portions of the sheets are connected to each other in the barrel portion. As a result, the barrel portion may break starting from the connection portion. 【0006】 This disclosure has been made in view of the above problems, and an object thereof is to provide a tube container that can suppress foreign matter from entering the inside of the cap and can suppress the barrel portion from breaking when dropped. 【0007】A tube container according to a certain aspect of the present disclosure comprises a body, a dispensing section, and a cap. The body includes an opening of a cylindrical body formed by connecting one end and the other end of a single sheet. The opening includes a connecting end, which is part of the portion where the one end and the other end are connected. The dispensing section includes a joint, a shoulder, and a spout. The joint is joined to the opening. The joint extends annularly along the opening with respect to a hypothetical central axis. The shoulder extends from the joint toward the central axis. The spout extends from the shoulder along the central axis. The cap includes an engaging portion and a circumferential wall portion. The engaging portion engages with the spout. The engaging portion faces the shoulder. The circumferential wall portion extends from the engaging portion toward the shoulder. The circumferential wall portion includes a first tip and a second tip. The first tip faces the shoulder. The second tip faces the shoulder. The second tip is adjacent to the first tip. The second tip coincides with a virtual plane that includes the central axis and the connecting end. The shortest distance from the second tip to the shoulder is longer than the shortest distance from the first tip to the shoulder. 【0008】 According to this disclosure, it is possible to suppress the entry of foreign matter into the inside of the cap while also suppressing the rupture of the body of the tube container when it is dropped. 【0009】This is a perspective view showing a tube container according to Embodiment 1. This is a perspective view showing a sheet for forming the body. This is a perspective view showing a cylindrical body made of the sheet in Figure 2. This is a plan view of the tube container in Figure 1 as seen from the axial direction. This is a partial cross-sectional view of the tube container in Figure 4 as seen in the direction of the V-V arrow. This is an enlarged view of region VI in Figure 5. This is an enlarged view of region VII in Figure 5. This is a perspective view showing a modified example of a tube container according to Embodiment 1. This is a partial cross-sectional view of the tube container in Figure 8 as seen in the direction of the IX-IX arrow. This is a perspective view showing a tube container according to another modified example of Embodiment 1. This is a partial cross-sectional view of the tube container in Figure 10 as seen in the direction of the XI-XI arrow. This is an enlarged view of region XII in Figure 11. This is a perspective view showing a tube container according to Embodiment 2. This is a side view showing a tube container according to Embodiment 2. This is a cross-sectional view of the tube container in Figure 13 as seen in the direction of the XV-XV arrow. This is a perspective view showing a tube container according to Embodiment 3. This is a cross-sectional view of the tube container in Figure 16 as seen in the direction of the XVII-XVII arrow. This is an enlarged view of region XVIII in Figure 17. 【0010】 Hereinafter, tube containers according to each embodiment of this disclosure will be described with reference to the drawings. The same or corresponding parts in the drawings are denoted by the same reference numerals, and their descriptions will not be repeated. 【0011】 Furthermore, in this specification, if a certain component is said to contain a specific resin as its main component, it may mean that the content of the specific resin in the certain component is 85% by mass or more, 90% by mass or more, 95% by mass or more, or 99% by mass or more. 【0012】 (Embodiment 1) Figure 1 is a perspective view showing a tube container according to Embodiment 1. The tube container 1 according to Embodiment 1 of the present disclosure comprises a body portion 10, a dispensing portion 20, and a cap 30. 【0013】 The body portion 10 includes an opening 11, a closing portion 12, and a housing body portion 13. In this embodiment, the body portion 10 is formed from a single sheet. 【0014】Figure 2 is a perspective view showing a sheet for forming the body. Figure 3 is a perspective view showing a cylindrical body made from the sheet in Figure 2. As shown in Figures 1 to 3, the body 10 (see Figure 1) is formed from a cylindrical body T (see Figure 3) which is formed by connecting one end SE1 and the other end SE2 of a single sheet S (see Figure 2) to each other. 【0015】 The cylindrical body T consists of a lateral connecting portion T1 and a cylindrical body portion T2. ​​The lateral connecting portion T1 is formed by connecting one end SE1 and the other end SE2 of the sheet S to each other. The lateral connecting portion T1 extends in a strip shape from one opening 11 of the cylindrical body T to the other opening of the cylindrical body T. The lateral connecting portion T1 may be formed by heat welding the one end SE1 and the other end SE2 to each other, by ultrasonic welding, or by bonding with an adhesive. The cylindrical body portion T2 consists of the portion of the sheet S between the one end SE1 and the other end SE2. 【0016】 As shown in Figures 1 to 3, the opening 11 of the body portion 10 is made up of the opening 11 of the cylindrical body T. The opening 11 includes a connecting end 111 and a C-shaped end 112. The opening 11 extends in an annular shape because the connecting end 111 and the C-shaped end 112 are continuous with each other. The connecting end 111 is made up of a part of the portion (lateral connecting portion T1) where one end SE1 and the other end SE2 are connected to each other. The C-shaped end 112 is made up of a part of the cylindrical body portion T2. 【0017】 The closure portion 12 is formed by closing the other opening of the cylindrical body T. In this embodiment, the closure portion 12 is formed by welding the inner surfaces of the other opening of the cylindrical body T together. The closure portion 12 may also be formed by closing the other opening of the cylindrical body T with a different member. 【0018】The storage body portion 13 is configured to accommodate contents. The storage body portion 13 consists of the portion between the opening 11 and the other opening of the cylindrical body T. The storage body portion 13 includes a strip-shaped connecting portion 131 and a main body portion 132. The strip-shaped connecting portion 131 consists of the other part of the portion (lateral connecting portion T1) where one end SE1 and the other end SE2 are connected to each other. The main body portion 132 consists of the other part of the cylindrical body portion T2. 【0019】 In this embodiment, the sheet S and the body 10 are made of resin. The sheet S and the body 10 may contain polyolefin resins such as polyethylene, polypropylene, and cyclic olefin polymers as the main component, or they may contain polyester resins as the main component. In this embodiment, the sheet S and the body 10 contain polyester resin as the main component. As a result, the tube container 1 has excellent recyclability. Furthermore, the sheet S preferably contains 85% by mass or more of polyester resin overall, and more preferably 90% by mass or more. The polyester resin may be polyethylene terephthalate (PET) or glycol-modified polyethylene terephthalate (PETG), and is preferably polyethylene terephthalate (PET). 【0020】 The sheet S may have a multilayer structure formed by stacking multiple layers on each other in the thickness direction. The multiple layers may include a barrier layer or a reinforcing layer. 【0021】 The thickness of the sheet S is preferably, for example, 12 μm to 250 μm, from the viewpoint of forming the sheet S into a cylindrical shape and the handling of the tube container 1. The thickness of the sheet S is preferably 100 μm or more, more preferably 120 μm or more, and even more preferably 150 μm or more, from the viewpoint of ensuring the desired drop strength of the body portion 10. Furthermore, from the viewpoint of making the storage body portion 13 resilient to dispensing the contents, the thickness of the sheet S is preferably 200 μm or less. 【0022】Figure 4 is a plan view of the tube container of Figure 1 as seen from the axial direction. Figure 5 is a partial cross-sectional view of the tube container of Figure 4 as seen in the direction of the V-V arrow. As shown in Figures 1, 4, and 5, the dispensing portion 20 includes a joint portion 21, a shoulder portion 22, and a spout 23. 【0023】 The joint portion 21 is joined to the opening 11. The joint portion 21 extends in an annular shape along the opening 11 with a virtual central axis C as its center. The opening 11 is located on the outer circumferential surface of the joint portion 21. The outer circumferential surface of the joint portion 21 extends parallel to the central axis C. 【0024】 The central axis C is a straight line. In this specification, unless otherwise specified, "inside" may refer to the side of the central axis C, and "outside" may refer to the side opposite to the central axis C. In the drawings, the axial direction in which the central axis C extends is represented by "DA", the radial direction centered on the central axis C is represented by "DR", and the circumferential direction centered on the central axis C is represented by "DC". 【0025】 The shoulder portion 22 extends from the joint portion 21 toward the central axis C. The shoulder portion 22 extends away from the torso portion 10, starting from the joint portion 21. The shoulder portion 22 extends from the end of the joint portion 21 opposite to the housing body portion 13. The shoulder portion 22 extends in an annular shape around the central axis C. The shoulder portion 22 has a roughly frustoconical outer shape. That is, the outer surface of the shoulder portion 22 has a roughly frustoconical outer shape. The shoulder portion 22 may have a roughly disc-shaped outer shape with a through hole penetrating in the direction along the central axis C. 【0026】 The spout 23 extends from the shoulder portion 22 along the central axis C. The spout 23 extends from the end of the shoulder portion 22 on the side of the central axis C. The spout 23 extends away from the body portion 10, starting from the shoulder portion 22. The spout 23 has a cylindrical outer shape centered on the central axis C. The contents contained in the housing body portion 13 of the body portion 10 can be dispensed to the outside of the tube container 1 by passing through the joint portion 21, the shoulder portion 22, and the inside of the spout 23. The outer surface of the spout 23 may further have a male screw-like outer shape. 【0027】The cap 30 includes an engaging portion 31 and a peripheral wall portion 32. The engaging portion 31 engages with the spout 23. The engaging portion 31 faces the shoulder portion 22. The engaging portion 31 may or may not be detachable from the spout 23 by human force. The cap 30 when the engaging portion 31 is engaged with the spout 23 will be described below. 【0028】 The engaging portion 31 includes a top wall portion 311 and a protruding portion 312. The top wall portion 311 faces the spout 23 in the direction in which the central axis C extends. The top wall portion 311 closes the spout 23. The top wall portion 311 faces the shoulder portion 22 in the direction in which the central axis C extends. The tube container 1 may be placed with the top wall portion 311 facing downwards. 【0029】 In this embodiment, the cap 30 is a so-called hinged cap. The top wall portion 311 includes a first wall portion 311a, a second wall portion 311b, and a hinge 311c. The first wall portion 311a has a through hole formed therethrough along the central axis C. The contents can be dispensed from the tube container 1 through this through hole. The second wall portion 311b is connected to the first wall portion 311a by the hinge 311c. The second wall portion 311b is configured to be rotatable about the hinge 311c. This allows the second wall portion 311b to move closer to or away from the first wall portion 311a. When the second wall portion 311b is in contact with the first wall portion 311a, the second wall portion 311b closes the through hole. 【0030】 Note that the cap 30 is not limited to a hinged cap. If the engaging portion 31 is configured to be detachable from the spout 23 by human force, the top wall portion 311 may have a plate-like outer shape without a through hole. 【0031】The protrusion 312 protrudes from the top wall portion 311. The protrusion 312 protrudes from the first wall portion 311a. The protrusion 312 engages with the spout 23. The protrusion 312 engages with the outer surface of the spout 23. The inner surface of the protrusion 312 has an external shape resembling a female screw. The protrusion 312 and the spout 23 are screwed together. From the viewpoint of facilitating the circumferential positioning of the cap 30, it is preferable that the protrusion 312 and the spout 23 have a single-start thread shape. The protrusion 312 and the spout 23 may engage by a snap-fit ​​structure. 【0032】 The peripheral wall portion 32 extends from the engaging portion 31 toward the shoulder portion 22. Specifically, the peripheral wall portion 32 extends from the first wall portion 311a of the top wall portion 311. The peripheral wall portion 32 faces the shoulder portion 22. The peripheral wall portion 32 has a substantially cylindrical outer shape with the central axis C as the center. The peripheral wall portion 32 is located on the outside of the protruding portion 312 in the radial direction. 【0033】 Figure 6 is an enlarged view of region VI in Figure 5. Figure 7 is an enlarged view of region VII in Figure 5. As shown in Figures 1 and 4 through 7, the peripheral wall portion 32 includes a first tip portion 321, a second tip portion 322, and a peripheral wall body portion 323. 【0034】 The first tip portion 321 faces the shoulder portion 22. The first tip portion 321 may be a part of the end of the circumferential wall portion 32 opposite to the engaging portion 31 in the axial direction. The first tip portion 321 extends along the circumferential direction centered on the central axis C. The first tip portion 321 is in contact with the shoulder portion 22. The first tip portion 321 is in contact with the shoulder portion 22 over its entire circumferential length. 【0035】The second tip portion 322 faces the shoulder portion 22. The second tip portion 322 may be another portion of the circumferential wall portion 32 on the side opposite to the engaging portion 31, in the axial direction, different from the first tip portion 321. The second tip portion 322 extends along the circumferential direction. The second tip portion 322 is separated from the shoulder portion 22. The second tip portion 322 is separated from the shoulder portion 22 throughout its entire circumferential direction. The second tip portion 322 is adjacent to the first tip portion 321. The second tip portion 322 is continuous with the first tip portion 321 in the circumferential direction. The second tip portion 322 is continuous with the first tip portion 321 at both ends in the circumferential direction. When viewed from the central axis C, the second tip portion 322 overlaps with a virtual plane P that includes the central axis C and the connecting end portion 111 (see Figure 4). In other words, the cross-section of the tube container 1 shown in Figure 5 is an example of a cross-section that aligns with this virtual plane P. 【0036】 Furthermore, the inner surface of the second tip portion 322 in the radial direction centered on the central axis C is recessed radially relative to the inner surface of the first tip portion 321, away from the central axis C. In the radial direction, the depth of the recess of the second tip portion 322 relative to the inner surface of the first tip portion 321 is, for example, 0.02 mm or more, preferably 0.05 mm or more, and more preferably 0.1 mm or more. There is no particular upper limit to the depth of this recess, but from the viewpoint of suppressing a decrease in the strength of the second tip portion 322, the depth of this recess may be 0.5 mm or less. The depth of this recess may be the difference between the shortest radial distance between the part of the first tip portion 321 closest to the second tip portion 322 and the central axis C, and the longest radial distance between the second tip portion 322 and the central axis C. The inner surface of the second tip portion 322 is smoothly continuous with the inner surface of the first tip portion 321. This makes it possible to suppress the concentration of stress at the boundary between the first tip 321 and the second tip 322 when the tube container 1 is impacted upon landing. 【0037】Due to the aforementioned recess, the shortest length L from the second tip portion 322 to the shoulder portion 22 is longer than the shortest length from the first tip portion 321 to the shoulder portion 22 (see Figures 6 and 7). This length L is preferably 0.01 mm or more, more preferably 0.02 mm or more, and even more preferably 0.05 mm or more. Furthermore, there is no particular upper limit to this length L. The length L may be 5 mm or less. In this embodiment, the shortest length from the first tip portion 321 to the shoulder portion 22 is zero. 【0038】 Furthermore, it is preferable that the difference between the radial thickness of the first tip portion 321 and the radial thickness of the second tip portion 322 is large. When this difference is large, the cap 30 becomes more easily bent at the second tip portion 322, improving the overall flexibility of the cap 30. As a result, when the tube container 1 is hit by an impact, the cap 30 deforms and absorbs the impact. 【0039】 Furthermore, in this embodiment, the outer surface of the second tip portion 322 is smoothly continuous in the circumferential direction with respect to the outer surface of the first tip portion 321 in the radial direction. The edge of the second tip portion 322 in the axial direction is smoothly continuous in the circumferential direction with respect to the edge of the first tip portion 321 in the axial direction. 【0040】 The circumferential length of the second tip portion 322 is preferably longer than the circumferential length of the connecting end portion 111. The circumferential length of the second tip portion 322 may be 3 mm or more longer than the circumferential length of the connecting end portion 111, preferably 4 mm or more longer, and more preferably 5 mm or more longer. When viewed from the outside in the radial direction of the connecting end portion 111, it is most preferable that both ends of the second tip portion 322 in the circumferential direction extend 3 mm or more from the connecting end portion 111 in the circumferential direction. Also, when viewed from the axial direction, the angle a of the central angle of the second tip portion 322 with respect to the central axis C may be, for example, 10 degrees or more and 45 degrees or less. The longer the circumferential length of the second tip portion 322, the easier it is to position the second tip portion 322 in the circumferential direction relative to the connecting end portion 111. 【0041】The peripheral wall main body portion 323 has a substantially cylindrical outer shape centered on the central axis C. The peripheral wall main body portion 323 connects the engaging portion 31 (specifically, the first wall portion 311a of the top wall portion 311) to the first tip portion 321 and the second tip portion 322. 【0042】 In the present embodiment, the pouring portion 20 and the cap 30 are made of a resin molded product. From the viewpoint of the recyclability of the tube container 1, it is preferable that the pouring portion 20 and the cap 30 are composed of a resin composition containing a polyester resin as a main component. As the polyester resin in the pouring portion 20 and the cap 30, the same polyester resin as that used in the sheet constituting the body portion 10 can be used. The pouring portion 20 and the cap 30 may be formed from different materials. 【0043】 From the viewpoint of the recyclability of the tube container 1, it is preferable that the resin composition constituting the pouring portion 20 and the cap 30 contains only a polyester resin as a resin component. The resin composition constituting the pouring portion 20 and the cap 30 may further contain conventionally known additives. Also, from the viewpoint of reducing the environmental load, it is preferable that the polyester resin in the resin composition is made of a recycled raw material or a biomass-derived raw material. However, from the viewpoint of reducing the manufacturing cost of the pouring portion 20 and the cap 30, it is also preferable that the polyester resin in the resin composition is made of a virgin raw material. However, when the pouring portion 20 and the cap 30 are made of a polyester resin, when a local stress of the pouring portion 20 occurs due to the contact between the pouring portion 20 and the cap 30, compared with the case where they are made of polypropylene or polyethylene, etc., this stress is likely to be transmitted to the connection end portion 111. 【0044】 Here, as described above, in the tube container 1 according to Embodiment 1 of the present disclosure, the second tip portion 322 overlaps with the virtual plane P including the central axis C and the connection end portion 111. And the shortest length L from the second tip portion 322 to the shoulder portion 22 is longer than the shortest length from the first tip portion 321 to the shoulder portion 22. 【0045】With the above configuration, due to the length relationship, it is possible to relatively suppress the entry of foreign matter into the inside of the cap 30 from between the first tip portion 321 and the shoulder portion 22. Furthermore, when the tube container 1 falls and lands cap 30-side down, due to the length relationship, the first tip portion 321 contacts the shoulder portion 22 before the second tip portion 322. The first tip portion 321 is located further from the connecting end portion 111 compared to the second tip portion 322. Therefore, it is possible to suppress the transmission of stress acting on the shoulder portion 22 when the first tip portion 321 contacts the shoulder portion 22 to the connecting end portion 111. Consequently, it is possible to suppress the rupture of the body portion 10 starting from the connecting end portion 111. Thus, with the above configuration, it is possible to suppress the entry of foreign matter into the inside of the cap 30 while suppressing the rupture of the body portion 10 when the tube container 1 falls. 【0046】 The above effects are more pronounced when the dispensing section 20 and / or cap 30 are made of a resin composition mainly composed of polyester resin. That is, when the dispensing section 20 and / or cap 30 are made of a resin composition mainly composed of polyester resin, the local stress on the dispensing section 20 caused by contact between the dispensing section 20 and the cap 30 is relatively easily transmitted to the connecting end 111. However, with the above configuration, the breakage of the body 10 when the tube container 1 is dropped can be effectively suppressed. In addition, when the dispensing section 20 is made of a resin composition mainly composed of polyester resin, the dispensing section 20 may also crack along with the breakage of the connecting end 111, but with the above configuration, the breakage of the body 10 is suppressed, and thus the cracking of the dispensing section 20 is also suppressed. 【0047】 In this embodiment, the first tip portion 321 is in contact with the shoulder portion 22, while the second tip portion 322 is separated from the shoulder portion 22. 【0048】According to the above configuration, when the tube container 1 falls and lands from the cap 30 side, the generation of impact can be suppressed by the displacement and collision of the first tip portion 321 toward the shoulder portion 22. Thereby, cracking of the shoulder portion 22 due to the impact can be suppressed. And when the tube container 1 falls and lands from the cap 30 side, the first tip portion 321 surely hits against the shoulder portion 22 prior to the second tip portion 322. Thereby, breakage of the body portion 10 when the tube container 1 falls can be further suppressed. 【0049】 Also, in the present embodiment, the inner surface of the second tip portion 322 in the radial direction centered on the central axis C is recessed so as to be away from the central axis C with respect to the inner surface of the first tip portion 321 in the radial direction. 【0050】 According to the above configuration, a configuration in which the shortest length from the second tip portion 322 to the shoulder portion 22 is longer than the shortest length from the first tip portion 321 to the shoulder portion 22 can be relatively easily realized regardless of the configuration of the shoulder portion 22. 【0051】 Note that the specific configuration of the tube container 1 is not limited to the above. FIG. 8 is a perspective view showing a tube container according to a modification of Embodiment 1. FIG. 9 is a partial cross-sectional view of the tube container of FIG. 8 viewed in the direction of the arrow IX - IX. As shown in FIGS. 8 and 9, the outer surface of the second tip portion 322x in the radial direction may protrude so as to be away from the central axis C with respect to the outer surface of the first tip portion 321x in the radial direction. That is, the outer surface of the second tip portion 322x in the radial direction may protrude in the radial direction with respect to the outer surface of the first tip portion 321x. 【0052】 According to the above configuration, even if the inner surface of the second tip portion 322x is recessed so as to be away from the central axis C with respect to the inner surface of the first tip portion 321x, the thickness of the second tip portion 322x can be ensured. Thereby, the strength of the second tip portion 322x can be improved. 【0053】In this modified example, the second tip portion 322x also coincides with a virtual plane (see Figure 9) that includes the central axis C and the connecting end portion 111. Furthermore, the shortest length L from the second tip portion 322x to the shoulder portion 22 is longer than the shortest length from the first tip portion 321x to the shoulder portion 22. 【0054】 Figure 10 is a perspective view showing a tube container according to another modification of Embodiment 1. Figure 11 is a partial cross-sectional view of the tube container of Figure 10, viewed in the direction of the arrow XI-XI. Figure 12 is an enlarged view of region XII in Figure 11. As shown in Figures 10 to 12, the cap 30y may further include a first extension 35 and a second extension 36. The first extension 35 extends further from the first tip 321 along the surface of the shoulder 22. The second extension 36 extends further from the second tip 322 along the surface of the shoulder 22. 【0055】 With the above configuration, when the tube container 1 falls and lands cap 30y-side down, the first extension portion 35 contacts the shoulder portion 22. Since the first extension portion 35 extends along the surface of the shoulder portion 22, it is possible to suppress the application of localized stress to the shoulder portion 22 and the cap 30y when the above contact occurs. Consequently, damage to the shoulder portion 22 and the cap 30y can be suppressed. In addition, since the second extension portion 36 is provided together with the first extension portion 35, it is possible to suppress the deterioration of the aesthetic appearance of the cap 30y due to the partial extension of the first extension portion 35. Furthermore, since the second extension portion 36 extends from the second tip portion 322 along the surface of the shoulder portion 22, the shortest length from the second extension portion 36 to the shoulder portion 22 is also relatively long. Therefore, contact between the second extension portion 36 and the shoulder portion 22 when the tube container 1 falls is suppressed. 【0056】 (Embodiment 2) Next, a tube container according to Embodiment 2 of the present disclosure will be described. In the tube container according to Embodiment 2 of the present disclosure, the configuration of the second tip is mainly different from that of Embodiment 1. For this reason, the same configuration and its effects as in Embodiment 1 may not be described again. 【0057】Figure 13 is a perspective view showing a tube container according to Embodiment 2. Figure 14 is a side view showing a tube container according to Embodiment 2. Figure 15 is a cross-sectional view of the tube container of Figure 13 as seen in the direction of the XV-XV arrow. As shown in Figures 13 to 15, in Embodiment 2 of the present disclosure, the edge of the second tip portion 322A in the axial direction, which is the direction in which the central axis C extends, is recessed toward the engaging portion 31 in the axial direction relative to the edge of the first tip portion 321 in the axial direction. 【0058】 With the above configuration, it is relatively easy to achieve a configuration in which the shortest length L from the second tip portion 322A to the shoulder portion 22 is longer than the shortest length from the first tip portion 321 to the shoulder portion 22, without adjusting the radial dimensions and position of the second tip portion 322A relative to the first tip portion 321. 【0059】 (Embodiment 3) Next, a tube container according to Embodiment 3 of the present disclosure will be described. In the tube container according to Embodiment 3 of the present disclosure, the configuration of the second tip and the shoulder portion mainly differ from those of Embodiment 1. For this reason, the same configuration and its effects as in Embodiment 1 may not be described again. 【0060】 Figure 16 is a perspective view showing a tube container according to Embodiment 3. Figure 17 is a cross-sectional view of the tube container of Figure 16 taken in the direction of the arrow XVII-XVII. Figure 18 is an enlarged view of region XVIII in Figure 17. As shown in Figures 16 to 18, in Embodiment 3 of the present disclosure, the shoulder portion 22B includes a main outer surface 222 and a concave outer surface 223 that is recessed relative to the main outer surface 222. The second tip portion 322B faces the concave outer surface 223. 【0061】 With the above configuration, even if the shape of the first tip portion 321 when viewed from the circumferential direction and the shape of the second tip portion 322B when viewed from the circumferential direction are the same (see Figure 17), it is relatively easy to realize a configuration in which the shortest length L from the second tip portion 322B to the shoulder portion 22B is longer than the shortest length from the first tip portion 321 to the shoulder portion 22B. 【0062】In this embodiment, the main outer surface 222 extends in a substantially frustum shape around the central axis C, but it may also extend in a substantially planar shape perpendicular to the central axis C. 【0063】 In the above-described embodiment, the combinatable configurations may be combined with each other. 【0064】 The embodiments disclosed herein should be considered in all respects to be illustrative and not restrictive. The scope of this disclosure is indicated by the claims and not by the foregoing description, and all modifications within the meaning and scope of the claims are intended to be included. 【0065】 1 Tube container, 10 Body, 11 Opening, 12 Closure, 13 Main body, 20 Dispensing part, 21 Joint, 22, 22B Shoulder, 23 Dispensing outlet, 30, 30y Cap, 31 Engaging part, 32 Peripheral wall, 35 First extension, 36 Second extension, 111 Connecting end, 112 C-shaped end, 131 Strip-shaped connecting part, 132 Main body part, 222 Main outer surface, 223 Concave outer surface, 311 Top wall, 311a First wall, 311b Second wall, 311c Hinge, 312 Projection, 321, 321x First tip, 322, 322A, 322B, 322x Second tip, 323 Peripheral wall main body, a Angle, C Central axis, L Length, P: virtual plane, S: sheet, SE1: one end, SE2: the other end, T: cylindrical body, T1: lateral connection part, T2: cylindrical body part.

Claims

1. A tube container comprising a body, a dispensing section, and a cap, wherein the body includes an opening of a cylindrical body formed by connecting one end and the other end of a single sheet, the opening includes a connecting end which is part of the portion where the one end and the other end are connected, the dispensing section includes a joint, a shoulder, and a spout, the joint is joined to the opening and extends annularly along the opening with respect to a virtual central axis, the shoulder extends from the joint toward the central axis, the spout extends from the shoulder along the central axis, the cap includes an engaging portion and a peripheral wall portion, the engaging portion engages with the spout and faces the shoulder, the peripheral wall portion extends from the engaging portion toward the shoulder, the peripheral wall portion includes a first tip and a second tip, the first tip faces the shoulder, A tube container wherein the second tip portion faces the shoulder portion, is adjacent to the first tip portion, and coincides with a virtual plane including the central axis and the connecting end portion, and the shortest length from the second tip portion to the shoulder portion is longer than the shortest length from the first tip portion to the shoulder portion.

2. The tube container according to claim 1, wherein the first tip is in contact with the shoulder, and the second tip is separated from the shoulder.

3. The tube container according to claim 1 or claim 2, wherein the inner surface of the second tip portion in the radial direction centered on the central axis is recessed relative to the inner surface of the first tip portion in the radial direction so as to be away from the central axis.

4. The tube container according to claim 1 or 2, wherein the edge of the second tip in the axial direction, which is the direction in which the central axis extends, is recessed toward the engaging portion in the axial direction relative to the edge of the first tip in the axial direction.

5. The tube container according to claim 1 or claim 2, wherein the shoulder portion includes a main outer surface and a concave outer surface recessed to the main outer surface, and the second tip portion faces the concave outer surface.

6. The tube container according to claim 3, wherein the outer surface of the second tip in the radial direction protrudes from the outer surface of the first tip in the radial direction so as to be away from the central axis.

7. The tube container according to claim 1 or 2, wherein the cap further includes a first extension and a second extension, the first extension further extending from the first tip along the surface of the shoulder, and the second extension further extending from the second tip along the surface of the shoulder.

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