JP2016011159A - Discharge container whose container body has inner container and outer container - Google Patents

Abstract

PROBLEM TO BE SOLVED: To simplify a structure.SOLUTION: A discharge container 1 comprises: an inner container 2 for storing a content and which deforms in a volume-reducing deformation state following to reduction of a content amount; and an outer container 3 for packing the inner container 2 and capable of being elastically deformed, and further comprises a container body 4 formed by fastening parts of the inner container 2 and the outer container 3 in the respective peripheral directions, via a fastening part 6. On a part of the outer container 3 other than the fastening part 6, a slit part 7 for introducing ambient air to an intermediate space formed between the inner container 2 and the outer container 3, is formed. The intermediate space sucks air following to the reduction amount of the container, when negative pressure is generated between the inner container 2 and the outer container 3, following to reduction of the content amount in the inner container 2.

Description

  The present invention relates to a discharge container having a container body having an inner container and an outer container.

Conventionally, for example, a discharge container described in Patent Document 1 below is known. The discharge container includes a container body and an air valve. The container main body includes an inner container that accommodates the contents and is reduced in volume as the contents are reduced, and an elastically deformable outer container in which the inner container is housed. The outer container is formed with an intake hole for sucking outside air between the inner container and the outer container. The air valve switches between communication between the outside and the intake hole and blocking thereof.
In this discharge container, with the air valve blocking communication between the intake hole and the outside of the container body, the outer container undergoes volumetric deformation with elastic deformation of the inner container, and the contents in the inner container are discharged. Is done. Thereafter, when the outer container is restored and deformed, the air valve communicates the intake hole and the outside of the container body, and the outside air is sucked between the inner container and the outer container.

JP2011-251695A

  However, the conventional discharge container has room for improvement in the simplification of the structure.

  The present invention has been made in view of the above-described circumstances, and an object thereof is to simplify the structure.

In order to solve the above problems, the present invention proposes the following means.
The discharge container according to the present invention includes an inner container that accommodates the contents and is reduced in volume as the contents are reduced, and an elastically deformable outer container in which the inner container is housed, and the inner container and The outer container is provided with a container body in which a part of each outer container in the circumferential direction is fixed via a fixing portion, and a portion of the outer container that avoids the fixing portion is provided between the inner container and the outer container. A slit portion for introducing outside air is formed in the formed intermediate space, and the intermediate space has a content when a negative pressure is generated between the inner container and the outer container due to a decrease in the contents in the inner container. Inhalation is performed through the slit portion according to the amount of reduction of the object.

In this case, when the outer container is elastically deformed with the volume reduction deformation of the inner container and the contents in the inner container are discharged, the peripheral part of the slit part in the outer container is expanded so that the slit part is expanded. Deformation is suppressed. Therefore, even if the intermediate space is formed between the inner container and the outer container, the air in the intermediate space can be prevented from leaking outside through the slit portion.
After that, when a negative pressure is generated between the inner container and the outer container based on the restoring deformation force of the outer container, the negative pressure acts on the peripheral part of the slit part in the outer container to deform the peripheral part. To widen the slit. As a result, outside air is positively introduced from the slit portion into the intermediate space. In addition, at this time, outside air is not introduced from the slit portion into the intermediate space through another flow path, but outside air is directly introduced into the intermediate space from the slit portion. Therefore, the outside air according to the amount of decrease in the contents in the inner container is smoothly introduced into the intermediate space through the slit portion, and the outer container can be quickly restored and deformed while maintaining the volume reduction deformation of the inner container.
As described above, the simple structure of simply forming the slit portion in the outer container allows the introduction of outside air to the intermediate space when the outer container is restored and deformed while suppressing the leakage of air in the intermediate space when the outer container is elastically deformed. Therefore, the structure can be simplified.

By the way, in a state where the intermediate space is formed between the inner container and the outer container, for example, when the outside air temperature rapidly rises and the air in the intermediate space expands, the space between the inner container and the outer container is increased. Positive pressure is generated. At this time, if the air in the intermediate space is not discharged to the outside, a positive pressure between the inner container and the outer container acts on the inner container, and the contents in the inner container may be unintentionally discharged.
However, in this discharge container, the positive pressure between the inner container and the outer container acts on the peripheral part of the slit part in the outer container, whereby the peripheral part can be deformed and the slit part can be expanded. Thereby, the air in the intermediate space can be discharged to the outside, and unintended discharge of the contents can be suppressed.

  The slit portion may be disposed in a peripheral portion of the fixing portion in the outer container.

  In this case, the peripheral portion of the fixing portion in the outer container is reinforced by the fixing portion, and is difficult to be deformed when the outer container is elastically deformed. Since the slit part is arrange | positioned in the peripheral part of the adhering part in such an outer container, the deformation | transformation of the peripheral part of the slit part in an outer container can be suppressed effectively at the time of the elastic deformation of an outer container.

  The outer container is formed in a bottomed cylindrical shape in which a body part and a mouth part are connected via a shoulder part that gradually decreases in diameter as it approaches the mouth part, and the slit part is provided in the shoulder part. It may be.

  In this case, since the slit part is disposed not on the body part of the outer container but on the shoulder part, when the body part of the outer container is elastically deformed, the deformation of the peripheral part of the slit part in the outer container is effectively suppressed. be able to.

  The slit portion may extend in the container axial direction.

  In this case, since the slit portion extends in the container axial direction, for example, when the outer container is elastically deformed by pressing a portion shifted in the circumferential direction with respect to the slit portion in the outer container, the outer container It can suppress effectively that the peripheral part of a slit part deform | transforms so that a slit part may expand.

  The slit portion may be provided in a depressed portion formed in the outer container.

  In this case, since the slit portion is provided in the depressed portion formed in the outer container, the depressed portion is deformed toward the direction in which the depressed portion is reversed when the outer container is elastically deformed. It is possible to easily press the side wall surfaces that define Thereby, the expansion of a slit part can be suppressed effectively. When the outer container is restored and deformed, the depressed portion is also restored and deformed, so that the depressed portion can be deformed such that the slit portion is relatively expanded. Thereby, it can also be made easy to introduce outside air smoothly into the intermediate space.

  According to the present invention, the structure can be simplified.

It is a side view of the discharge container which concerns on one Embodiment of this invention, Comprising: The opening part and discharge cap of a container main body are longitudinal cross-sectional views. It is a cross-sectional view of a discharge container according to a modification of the present invention.

Hereinafter, a discharge container according to an embodiment of the present invention will be described with reference to the drawings.
As shown in FIG. 1, the discharge container 1 includes a flexible inner container (inner layer) 2 that accommodates contents (not shown) and undergoes volumetric deformation (deflection deformation) as the contents decrease, and the inner container. 2 is provided with a container main body 4 having an outer container (outer layer) 3 in which 2 is installed, and a discharge cap 5 that is detachably attached to a mouth 4A of the container main body 4.

  In addition, the inner container 2 and the outer container 3 are arrange | positioned in the state in which each central axis was located on the common axis. A discharge cap 5 is arranged coaxially with the common shaft. In the present embodiment, this common axis is referred to as a container axis O, the discharge cap 5 side along the container axis O is referred to as the upper side, and the opposite side is referred to as the lower side. Further, in a plan view viewed from the container axis O direction, a direction orthogonal to the container axis O is referred to as a radial direction, and a direction around the container axis O is referred to as a circumferential direction.

The container body 4 is formed by blow molding and is a delamination type container (delami bottle) in which the inner container 2 is detachably laminated on the inner surface of the outer container 3.
The material of the inner container 2 and the outer container 3 is a resin material, and may be the same material or different materials as long as they are detachable combinations. Examples of the resin material include PET (polyethylene terephthalate), PP (polypropylene), PE (polyethylene), nylon (polyamide), EVOH (ethylene-vinyl alcohol copolymer), and the like. Out of these resin materials, the outer container 3 and the inner container 2 are formed in a combination that can be peeled (not compatible).

The container main body 4 is formed in a bottomed cylindrical shape in which a mouth portion 4A, a shoulder portion 4B, a trunk portion 4C, and a bottom portion (not shown) are sequentially provided from the upper side. The shoulder portion 4B gradually increases in diameter from the upper side toward the lower side, that is, gradually decreases in diameter as it approaches the mouth portion 4A. The body portion 4C is formed, for example, in a circular shape in a cross sectional view.
The outer container 3 constituting the container body 4 can be squeezed and deformed, and the inner container 2 is deformed and deformed as the outer container 3 is squeezed. Therefore, at least a portion of the outer container 3 located in the body 4C can be elastically deformed toward the inside of the container.

The mouth 4A is formed to extend upward from the upper end opening of the shoulder 4B. The mouth portion 4A of the container body 4 is configured such that the mouth portion 2A of the inner container 2 and the mouth portion 3A of the outer container 3 are laminated.
An annular folded portion 2a protruding outward in the radial direction is formed at the upper end portion of the mouth portion 2A of the inner container 2, and the opening end of the mouth portion 3A of the outer container 3 is placed on the upper side using this folded portion 2a. Closed from. Therefore, the mouth 3 </ b> A of the outer container 3 is closed by the inner container 2.

  By the way, a part of each of the inner container 2 and the outer container 3 in the circumferential direction is fixed to each other via the fixing portion 6. The fixing part 6 is, for example, an adhesive layer, and adheres the inner container 2 to the outer container 3 so as not to be peeled off. The fixing portion 6 extends in the container axis O direction. The fixing portion 6 is formed in a strip shape extending in the container axis O direction over the entire length of the container body 4.

  Two fixing portions 6 are provided at intervals in the circumferential direction. These two adhering portions 6 have the same shape and the same size. The two fixing portions 6 are arranged adjacent to each other in the circumferential direction, and the width that is the size along the circumferential direction of the narrow width region R1 between the two fixing portions 6 is equal to the width of the fixing portion 6. Yes. Both the adhering portions 6 and the narrow area R1 constitute an adhering area R0 extending in the container axis O direction on the container body 4. The fixing region R0 extends in a band shape in the container axis O direction so as to include all the fixing portions 6 on the container body 4, and the fixing portions 6 are disposed at both ends in the circumferential direction of the fixing region R0.

  A slit 7 that penetrates the outer container 3 is formed in a portion of the outer container 3 that avoids the fixing portion 6. The slit portion 7 is not covered with the discharge cap 5 and is exposed to the outside. The slit portion 7 extends linearly in the container axis O direction, and is disposed in a peripheral portion of the fixing portion 6 in the outer container 3, for example, a portion located within 10 mm from the fixing portion 6 in the outer container 3. It is not arranged in R1. In addition, the peripheral part of the adhering part 6 in the outer container 3 is reinforced by the adhering part 6, and is difficult to be deformed when the outer container 3 is elastically deformed.

  The slit part 7 is arrange | positioned in the outer container 3 in the part located in the outer side of the fixed direction R0 of the circumferential direction. The slit part 7 is arrange | positioned separately in the both parts which pinch | fix the fixing | fixed area | region R0 in the circumferential direction in the outer container 3, respectively. The slit portion 7 is disposed closer to the fixing region R0 than a portion away from the outer edge in the circumferential direction of the fixing region R0 in the circumferential direction by a distance equivalent to the width of the fixing region R0. The slit part 7 is provided in the shoulder part 4B.

The discharge cap 5 includes an inner plug portion 10, a main body portion 20, a valve body portion 40, and a lid portion 30.
The inner plug portion 10 closes the mouth portion 4 </ b> A of the container body 4. The inner plug portion 10 includes a base portion 11 disposed on the upper end opening of the mouth portion 4A of the container body 4, a seal tube portion 12 extending downward from the base portion 11 and fitted in the mouth portion 4A, and It is equipped with.

  The base portion 11 includes an outer base portion 11a located on the upper end opening of the mouth portion 4A of the container body 4, an inner base portion 11b located radially inward of the outer base portion 11a, and a vertical direction (container axis O And a connecting cylinder portion 11c that connects the inner end portion of the outer base portion 11a and the outer end portion of the inner base portion 11b. The inner base portion 11b is located above the outer base portion 11a.

  On the outer base part 11a, a rising cylinder part 14 surrounding the connecting cylinder part 11c from the radially outer side is formed so as to protrude upward. A flow hole 15 through which the content flows is formed in the inner base portion 11b coaxially with the container axis O.

The main body portion 20 is connected to the outer cylinder portion 21 screwed into the mouth portion 4A of the container main body 4 and the upper wall portion 22 that is connected to the upper end portion of the outer cylinder portion 21 and covers the upper portion of the mouth portion 4A of the container main body 4. And it is formed in the top cylinder shape provided with. The discharge cap 5 is detachably attached to the mouth portion 4 </ b> A of the container main body 4 by the main body portion 20.
In addition, the main-body part 20 is not limited to the case where it is screwed with respect to 4 A of opening parts of the container main body 4, For example, you may carry out undercut fitting.

The top wall portion 22 is formed with a step so that the central portion 22b is positioned above the outer portion 22a connected to the outer cylinder portion 21.
A hanging cylinder part 24 and a discharge cylinder part 25 are formed in the central part 22 b of the top wall part 22. The hanging cylinder part 24 is formed so as to protrude downward from the top wall part 22.

  The discharge cylinder part 25 has a smaller diameter than the drooping cylinder part 24, is formed at a position shifted in the radial direction with respect to the container axis O, and is formed so as to penetrate the top wall part 22 up and down. The discharge cylinder portion 25 can communicate with the inside of the inner container 2 through the flow hole 15, and the inner peripheral surface of the discharge cylinder portion 25 gradually increases in diameter from the lower side toward the upper side. The upper end part of the discharge cylinder part 25 is made into the discharge hole 26 which discharges the contents.

  The valve body portion 40 is disposed between the inner plug portion 10 and the main body portion 20. The valve body portion 40 is separated from the upper surface of the inner base portion 11b and the cylindrical body portion 51 whose lower end portion is fitted inside the rising cylindrical portion 14 and whose upper end portion is fitted inside the hanging cylindrical portion 24. For example, a three-point valve including a valve main body 41 that can be placed and a plurality of (three) elastic arms 42 that integrally connect the valve main body 41 and the cylindrical body portion 51 is used.

The valve body 41 is formed in a circular shape in plan view, for example, and closes the flow hole 15 formed in the inner base portion 11b so as to be freely opened and closed. The elastic arm 42 is formed, for example, so as to extend in the circumferential direction to ensure an appropriate spring property, and has an inner end connected to the outer edge of the valve body 41 and an outer end connected to the cylindrical body 51. It is connected. When the internal pressure of the inner container 2 rises, the elastic arm 42 is elastically deformed so as to move the valve main body 41 upward to separate the valve main body 41 from the upper surface of the inner base portion 11b. Thereby, at the time of squeeze deformation of the outer container 3, it is possible to open the flow hole 15 and flow the contents.
The number of elastic arms 42 is not limited to three. Moreover, as the valve body part 40, the flow hole 15 should just be open | released at the time of the squeeze deformation of the outer container 3, and it is good also as valve structures other than the said structure.

The lid portion 30 is formed in a cylindrical shape with a peripheral wall portion 31 and a top wall portion 32, and is detachably fitted to the upper end portion of the outer cylinder portion 21 in the main body portion 20.
The top wall portion 32 is formed with a seal portion 33 protruding downward. The seal portion 33 is inserted into the discharge cylinder portion 25 from above, and a lower end portion is detachably fitted inside the discharge cylinder portion 25. Thereby, the seal part 33 regulates the discharge of the content through the discharge hole 26.

The peripheral wall portion 31 is connected to the outer cylinder portion 21 via a hinge portion 34. As a result, the lid portion 30 can be rotated around the hinge portion 34, and the seal portion 33 can be inserted into and removed from the discharge cylinder portion 25 along with the rotation to open and close the discharge hole 26. ing.
The peripheral wall portion 31 is formed with an operation projection piece 35 so as to protrude radially outward from a portion located on the opposite side of the hinge portion 34 across the container shaft O. Thereby, it is possible to easily perform the turning operation of the lid 30 using the operation protrusion 35.

The case where the discharge container 1 configured in this way is used will be described.
When discharging the contents, first, the lid portion 30 of the discharge cap 5 is rotated around the hinge portion 34 to open the discharge hole 26, and then the body portion of the outer container 3 of the container body 4 is placed inside the container ( Squeeze deformation (elastic deformation) radially inward. As a result, the inner container 2 is deformed and reduced in volume with the outer container 3, so that the internal pressure of the inner container 2 increases.

  Then, the valve main body 41 in the valve body portion 40 is separated upward from the upper surface of the inner base portion 11 b, so that the flow hole 15 is opened and the discharge hole 26 and the inside of the inner container 2 communicate with each other through the flow hole 15. . Thereby, the contents accommodated in the inner container 2 can be discharged to the outside through the discharge hole 26.

  Thereafter, by stopping or releasing the squeeze deformation of the container body 4, when the increase in the internal pressure of the inner container 2 is stopped or decreased, the valve body 41 of the valve body portion 40 returns to the original state by the restoring deformation of the elastic arm 42. , Sit on the upper surface of the inner base portion 11b. Thereby, the circulation hole 15 can be closed again, and the discharge of the contents can be stopped.

  Further, by releasing the squeeze deformation of the container body 4, the outer container 3 starts to be restored and deformed, so that a negative pressure is generated between the outer container 3 and the inner container 2. Then, this negative pressure acts on the peripheral part of the slit part 7 in the outer container 3, thereby deforming the peripheral part and expanding the slit part 7. As a result, outside air is positively introduced between the inner container 2 and the outer container 3 from the slit portion 7 while the circumferential portions of the inner container 2 and the outer container 3 are fixed to each other by the fixing portion 6. Is done. Thereby, between the inner container 2 and the outer container 3, one intermediate space where both ends in the circumferential direction are closed by the fixing portion 6 is formed in a portion that avoids the fixing region R0 along the circumferential direction. Gradually expand. This intermediate space sucks air in accordance with the amount of decrease in the contents in the inner container 2 and sucks outside air through the volume part and slit portion 7 equivalent to the volume of the decreased contents. Here, outside air is not directly introduced from the slit portion 7 into the intermediate space through another flow path, but is directly introduced from the slit portion 7 into the intermediate space. Therefore, the outside air according to the amount of decrease in the content in the inner container 2 is smoothly introduced into the intermediate space through the slit portion 7, and the outer container 3 is quickly restored and deformed while maintaining the volume reduction deformation of the inner container 2. Can be made.

By the way, in this embodiment, although the said intermediate space is provided in the part which avoids the adhering area | region R0 along the circumferential direction between the inner container 2 and the outer container 3, this invention is not limited to this. . For example, by arranging a plurality of fixing portions 6 at equal intervals in the circumferential direction, between the inner container 2 and the outer container 3, a plurality of the fixing portions 6 adjacent to each other in the circumferential direction are provided. The intermediate space can also be formed separately. In this case, by providing at least one slit portion 7 in each portion corresponding to each of the plurality of intermediate spaces, each of the plurality of intermediate spaces, Outside air can be introduced through the slit portions 7 corresponding to the respective intermediate spaces.
In the present invention, as described above, the slit portion 7 is formed in a portion where the fixing portion 6 is avoided in the outer container 3 in the intermediate space regardless of whether the intermediate space is one or plural cases. Correspondingly, at least one is provided, and outside air is introduced into the corresponding intermediate space.

When the contents are poured out from the discharge container 1 in a state where the intermediate space is formed between the inner container 2 and the outer container 3, for example, in the trunk portion of the outer container 3, Then, the portion shifted in the circumferential direction is pressed toward the inside in the radial direction. At this time, it is suppressed that the peripheral part of the slit part 7 in the outer container 3 deform | transforms so that the slit part 7 may expand. At this time, it is preferable that at least some of the pair of side wall surfaces defining the slit portion 7 are in contact with each other.
Here, in this embodiment, since the slit part 7 is formed in the peripheral part of the adhering part 6 in the outer container 3, when the outer container 3 is elastically deformed, the peripheral part of the slit part 7 in the outer container 3 is deformed. It can be effectively suppressed. And since the slit part 7 is arrange | positioned not the trunk | drum of the outer container 3, but the shoulder part, when the trunk | drum of the outer container 3 is elastically deformed, the deformation | transformation of the peripheral part of the slit part 7 in the outer container 3 is carried out. It can be effectively suppressed. Furthermore, since the slit portion 7 extends in the container axis O direction, for example, when the outer container 3 is elastically deformed by pressing a portion shifted in the circumferential direction with respect to the slit portion 7 in the outer container 3. And it can suppress effectively that the peripheral part of the slit part 7 in the outer container 3 deform | transforms so that the slit part 7 may expand.
As mentioned above, it can suppress that the air in the said intermediate space leaks outside through the slit part 7. FIG. As a result, an external force applied to the outer container 3 can be quickly applied to the inner container 2 via the intermediate space, and the contents can be discharged smoothly.

  As described above, according to the discharge container 1 according to the present embodiment, leakage of air in the intermediate space is suppressed during the elastic deformation of the outer container 3 by a simple structure in which the slit portion 7 is simply formed in the outer container 3. On the other hand, it becomes possible to allow the introduction of outside air into the intermediate space when the outer container 3 is restored and deformed, and the structure can be simplified.

By the way, in the state where the intermediate space is formed between the inner container 2 and the outer container 3, for example, when the outside air temperature rises rapidly and the air in the intermediate space expands, the inner container 2 and the outer container 3 A positive pressure is generated between At this time, if the air in the intermediate space is not discharged to the outside, the positive pressure between the inner container 2 and the outer container 3 acts on the inner container 2, and the contents in the inner container 2 may be unintentionally discharged. There is.
However, in the discharge container 1, the positive pressure between the inner container 2 and the outer container 3 acts on the peripheral part of the slit part 7 in the outer container 3, thereby deforming the peripheral part and expanding the slit part 7. Can be made. Thereby, the air in the intermediate space can be discharged to the outside, and unintended discharge of the contents can be suppressed.

  The technical scope of the present invention is not limited to the above embodiment, and various modifications can be made without departing from the spirit of the present invention.

For example, it is possible to employ a discharge container 60 as shown in FIG.
In the discharge container 60, a depressed portion 61 is formed in the outer container 3. The depressed portion 61 is formed in the body portion of the outer container 3. The depression 61 is formed in a curved surface that protrudes inward in the radial direction in a cross-sectional view orthogonal to the container axis O direction. The depressed portion 61 is disposed at a position 90 degrees away from the fixing portion 6 around the container axis O.
In this case, since the slit portion 7 is provided in the depressed portion 61 formed in the outer container 3, the depressed portion 61 is deformed in a direction in which the depressed portion 61 is reversed when the outer container 3 is elastically deformed. By doing so, the side wall surfaces that define the slit portion 7 can be easily pressed strongly. Thereby, the expansion of the slit part 7 can be suppressed effectively. Further, when the outer container 3 is restored and deformed, the depressed portion 61 is also restored and deformed, so that the depressed portion 61 can be deformed such that the slit portion 7 is relatively expanded. Thereby, it can also be made easy to introduce outside air smoothly into the intermediate space.

  The fixing portion 6 is not limited to that shown in the above embodiment. For example, as described above, a plurality of the fixing portions 6 may be arranged at equal intervals in the circumferential direction. Moreover, the number of the adhering part 6 may be one.

The slit part 7 is not restricted to what was shown to the said embodiment.
For example, the slit part 7 may extend in the circumferential direction, and may be provided in the body part of the outer container 3. Furthermore, the slit part 7 may be arrange | positioned in the part largely spaced apart from the adhering part 6 in the outer container 3. Moreover, the slit part 7 may be one or more, and may be three or more.

The discharge cap 5 may not be provided.
In the above embodiment, the discharge container 1 is a laminated peelable container in which the inner container 2 is detachably laminated on the inner surface of the outer container 3, but is not limited thereto, and the inner container 2 and the outer container 3 are not limited thereto. It may be a discharge container in which a gap is ensured. However, it is preferable to use a laminate peelable container because versatility can be improved.

  In addition, it is possible to appropriately replace the constituent elements in the embodiment with known constituent elements without departing from the spirit of the present invention, and the above-described modified examples may be appropriately combined.

DESCRIPTION OF SYMBOLS 1, 60 Discharge container 2 Inner container 3 Outer container 4 Container main body 6 Adhering part 7 Slit part 61 Recessed part O Container axis

Claims (5)

An inner container that accommodates the contents and that undergoes volume reduction deformation as the contents are reduced, and an elastically deformable outer container in which the inner container is housed, and a circumferential direction of each of the inner container and the outer container A container body partly fixed to each other via a fixing part,
A portion of the outer container that avoids the fixing portion is formed with a slit portion that introduces outside air into an intermediate space formed between the inner container and the outer container,
The intermediate space sucks air through the slit portion according to the amount of decrease in contents when a negative pressure is generated between the inner container and the outer container as the contents in the inner container decrease. A discharge container.   The discharge container according to claim 1, wherein the slit portion is disposed in a peripheral portion of the fixing portion in the outer container. The outer container is formed in a bottomed cylindrical shape in which the body portion and the mouth portion are connected via a shoulder portion that gradually decreases in diameter as approaching the mouth portion,
The discharge container according to claim 1, wherein the slit portion is provided on the shoulder portion.   The discharge container according to any one of claims 1 to 3, wherein the slit portion extends in a container axial direction.   The discharge container according to any one of claims 1 to 4, wherein the slit portion is provided in a depressed portion formed in the outer container.

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