Delivery container

Abstract

To provide a delivery container in which a unit provided with an extrusion member, etc. can contain a screw shaft member and assemblability can be improved.SOLUTION: A delivery container 100 comprises: a case cylinder 1 having an engagement protrusion part 1b on an inner peripheral surface; an operation part 8 held rotatably with respect to the case cylinder 1; and a unit 2 containing a screw shaft member 3, a hollow screw member 4, an extrusion member 5 and a guide part 6. The unit 2 is constituted so as to be inserted from a tip side of the case cylinder 1 to the inside of the case cylinder 1. The operation part 8 is constituted so as to be inserted from a rear end side of the case cylinder 1 to the inside of the case cylinder 1. The screw shaft member 3 includes a unit-side rotation-stop part 3d to be connected to an operation part-side rotation-stop part 9b which the operation part 8 includes, and a unit-side coming-off preventing part 3e to be connected to an operation part-side coming-off preventing part 9c which the operation part 8 includes.SELECTED DRAWING: Figure 1

Description

[Technical Field]

[0001] The present invention relates to a dispensing container. [Background technology]

[0002] A dispensing container is known in which a push-out member is housed inside a case tube, and when an operating part is rotated relative to the case tube, the push-out member moves forward relative to the case tube, thereby causing the contents housed inside the case tube to be dispensed by the push-out member (see, for example, Patent Document 1).

[0003] The dispensing container shown in Patent Document 1 comprises a screw shaft member, a hollow screw member (hollow screw shaft), a movable tubular member (engagement tube), and a push-out member; when the operating unit main body (operating tube) is rotated, the screw shaft member connected to the operating unit main body rotates, causing the hollow screw member to move forward while rotating, and furthermore, the movable tubular member and the push-out member move forward while being prevented from rotating.

[0004] The push-out member has a seal portion (push-out portion) that slidably contacts the inner circumferential surface of the cylindrical case, and the contents contained in front of the seal portion inside the cylindrical case are dispensed from the opening at the tip of the cylindrical case as the push-out member advances. The movable cylindrical member is prevented from rotating relative to the cylindrical case by an engaging protrusion provided on the inner circumferential surface of the cylindrical case. The screw shaft member is connected to the operating unit main body via a large-diameter disk-shaped connecting portion. [Prior art documents] [Patent documents]

[0005] [Patent Document 1] Japanese Patent Application Publication No. 2024-16722 Summary of the Invention [Problem to be solved by the invention]

[0006] Incidentally, when assembling the dispensing container shown in Patent Document 1, the hollow screw member, the movable cylindrical member, and the push-out member can be combined in advance and attached to the case tube as a unit, but the screw shaft member could not be included in the unit. One reason for this is that, as mentioned above, the inner peripheral surface of the case tube is provided with an engaging protrusion, and the push-out member has a sealing portion that contacts the inner peripheral surface of the case tube, so the unit including the push-out member is inserted from the front end side of the case tube, while the screw shaft member has a connecting portion and can only be inserted from the rear end side of the case tube.

[0007] On the other hand, if the screw shaft member can also be included in the unit, it would be advantageous in assembly. Because these components rotate and move linearly relative to one another, a defect in the shape of a part, for example, could affect operation. If the operation of the unit could be confirmed, any malfunctions could be detected early during assembly, allowing for early response to the defect. In particular, these components, including the screw shaft member, have multiple threaded sections with complex shapes, making this effect even more effective if the screw shaft member could be included in the unit. Furthermore, increasing the number of components that can be included in a unit generally improves assembly efficiency, which is another reason for the desire to include the screw shaft member in the unit.

[0008] In view of the above, an object of the present invention is to provide a dispensing container in which a screw shaft member can be included in a unit that includes a push-out member and the like, thereby improving assembly efficiency. [Means for solving the problem]

[0009] The dispensing container of the present invention comprises a case tube having an engaging protrusion on its inner circumferential surface, an operating section that is rotatably held relative to the case tube around the central axis of the case tube, a screw shaft member having a first male threaded portion on its outer circumferential surface, a hollow screw member having a first female threaded portion that screws into the first male threaded portion on its inner circumferential surface and a second male threaded portion on its outer circumferential surface, a push-out member having a second female threaded portion that screws into the second male threaded portion on its inner circumferential surface and a seal portion that slidably contacts the inner circumferential surface of the case tube, and a screw shaft member that engages with the engaging protrusion and pushes out the push-out member while restricting its rotation around the central axis relative to the case tube. a unit including a guide portion that moves the operating portion in a direction along the core axis, and the extrusion member advances relative to the case tube when the operating portion is rotated in one circumferential direction relative to the case tube, wherein the unit is configured to be inserted into the inside of the case tube from the front end side of the case tube, and the operating portion is configured to be inserted into the inside of the case tube from the rear end side of the case tube, and the screw shaft member has a unit side anti-rotation portion that connects to the operating portion side anti-rotation portion that the operating portion has, and a unit side anti-detachment portion that connects to the operating portion side anti-detachment portion that the operating portion has. [Effects of the Invention]

[0010] According to the dispensing container of the present invention, the screw shaft member can be included in the unit that includes the push-out member and the like, thereby improving assembly efficiency. [Brief explanation of the drawings]

[0011] [Figure 1] 1 is a half cross-sectional side view showing a first embodiment of a dispensing container according to the present invention. [Figure 2] 2 is a diagram illustrating a state in which a unit including a screw shaft member, a hollow screw member, a push-out member, and a movable cylindrical member shown in FIG. 1 and a connecting member are attached to a cylindrical case. FIG. [Figure 3] 2 is a diagram showing a state in which the push-out member has advanced by rotating the operation unit body shown in FIG. 1. FIG. [Figure 4] FIG. 10 is a half cross-sectional side view showing a second embodiment of a dispensing container according to the present invention. [Figure 5A] FIG. 5 is a half cross-sectional view of the unit shown in FIG. 4, showing a state in which an annular body is integrally connected to a movable cylindrical member. [Figure 5B] FIG. 5B is a bottom view of FIG. 5A. [Figure 5C] 5B is a diagram illustrating the unit shown in FIG. 5A in a state where an annular body is positioned radially outside the hollow portion using a jig. [Figure 6] 5 is a diagram showing a state in which the pushing member has advanced by rotating the working body shown in FIG. 4. FIG. [Figure 7] FIG. 10 is a half cross-sectional side view showing a third embodiment of a dispensing container according to the present invention. [Figure 8A] FIG. 8 is a half cross-sectional view of the case cylinder shown in FIG. 7. [Figure 8B] FIG. 8B is a plan view of FIG. 8A. [Figure 9] FIG. 8 is a diagram showing a state in which a unit is inserted into the cylindrical case shown in FIG. 7. [Figure 10] 10 is a view showing a state in which, after the state shown in FIG. 9, an annular body is positioned radially outside the hollow portion using a jig. FIG. [Figure 11] 8 is a view showing a state in which the pushing member has advanced by rotating the working body shown in FIG. 7. FIG. DETAILED DESCRIPTION OF THE INVENTION

[0012] Hereinafter, first to third embodiments, which are examples of dispensing containers according to the present invention, will be described with reference to the drawings. In this specification and the like, the up-down direction refers to the direction along the central axis O shown in the drawings, with the side on which the lid 12 (described later) is located being the "upper" and the side on which the operating unit main body 10 is located being the "lower." In this specification and the like, the movement from the operating unit main body 10 toward the lid 12 may be referred to as "forward," and the side on which the lid 12 is located may be referred to as the "front," and the side on which the operating unit main body 10 is located may be referred to as the "rear." The radial direction is the direction perpendicular to the central axis O within a plane perpendicular to the central axis O, and the circumferential direction is the direction circumferential around the central axis O within this plane.

[0013] FIGS. 1 to 3 show a dispensing container 100, a first embodiment of a dispensing container according to the present invention. As shown in FIG. 1, the dispensing container 100 includes a cylindrical case 1, a unit 2, an operating unit 8, and a lid 12. The contents stored in the dispensing container 100, such as a relatively soft and viscous cosmetic product, are stored in a space defined by a cylindrical case body 1a and a seal portion 5c (described below). While typical dispensing containers have functions for both dispensing and retracting the contents, when relatively soft and viscous contents are stored and the seal portion 5c is retracted to retract the contents, the contents tend to adhere to the inner circumferential surface of the cylindrical case body 1a, resulting in the seal portion 5c retracting without moving the contents. For this reason, the dispensing container 100 of this embodiment is designed so that the function for retracting the contents does not function. Furthermore, each component of the dispensing container 100 is made of synthetic resin; in this embodiment, polypropylene, which has excellent moisture barrier properties, is used. Therefore, even when a high-moisture content is stored, the moisture content of the contents can be effectively maintained.

[0014] The cylindrical case 1 includes a cylindrical case body 1a that is cylindrical about a central axis O. An engagement protrusion 1b that protrudes radially inward is provided at the vertically intermediate portion of the inner peripheral surface of the cylindrical case body 1a. Furthermore, the inner peripheral surface of the cylindrical case body 1a is provided with a stopper protrusion 1c that protrudes radially inward and is located below the engagement protrusion 1b, and a gear portion 1d that is located below the stopper protrusion 1c and is composed of multiple protrusions spaced apart in the circumferential direction. Furthermore, an engagement retainer portion 1e with a semicircular cross section is provided at the lower end of the cylindrical case body 1a.

[0015] The unit 2 is composed of a screw shaft member 3, a hollow screw member 4, a push-out member 5, and a guide portion 6. The guide portion 6, which will be described in detail later, engages with the above-mentioned engaging protrusion 1b and moves the push-out member 5 in a direction along the central axis O while restricting rotation around the central axis O relative to the case cylinder 1. The guide portion 6 in this embodiment is composed of a movable cylindrical member 7.

[0016] The screw shaft member 3 is cylindrical and centered on the central axis O, and includes a screw shaft 3b having a male thread portion (first male thread portion 3a) on its outer peripheral surface. A cylindrical lower shaft 3c is provided below the screw shaft 3b. The outer peripheral surface of the lower shaft 3c is provided with a plurality of protrusions located below the first male thread portion 3a and spaced apart in the circumferential direction. These protrusions function as anti-rotation devices between the screw shaft member 3 and the operating unit 8. Hereinafter, these protrusions will be referred to as unit-side anti-rotation portions 3d. Furthermore, on the outer peripheral surface of the lower shaft 3c, below the unit-side anti-rotation portion 3d, a unit-side anti-detachment portion 3e is provided that protrudes radially outward and holds the screw shaft member 3 against the operating unit 8.

[0017] The hollow screw member 4 is cylindrical about the central axis O and has a hollow inner hollow portion 4a located radially outward of the screw shaft 3b. A disk-shaped top wall portion 4b is provided at the upper end of the inner hollow portion 4a. A female thread portion (first female thread portion 4c) that screws into the first male thread portion 3a is provided on the inner peripheral surface of the inner hollow portion 4a. In this embodiment, the first female thread portion 4c is provided only near the lower end of the inner hollow portion 4a. A male thread portion (second male thread portion 4d) is provided on the outer peripheral surface of the inner hollow portion 4a.

[0018] The hollow screw member 4 also has a slit 4e that cuts the inner hollow portion 4a from bottom to top. In this embodiment, the slit 4e cuts out the entire area of ​​the inner hollow portion 4a from the lower end to the upper end. A pair of slits 4e are provided on either side of the central axis O, and the hollow screw member 4 is elastically deformable so that the lower portion of the inner hollow portion 4a expands radially outward.

[0019] The push-out member 5 is cylindrical about the central axis O and includes a hollow outer hollow portion 5a located radially outward of the inner hollow portion 4a. The upper end of the outer hollow portion 5a is provided with a disk-shaped top wall portion 5b having a central annular portion. The top wall portion 5b is provided with a seal portion 5c that extends upward from the base of the annular portion while expanding in diameter, and whose tip portion slidably contacts the inner circumferential surface of the cylindrical case body 1a. The inner circumferential surface of the outer hollow portion 5a is provided with a female thread portion (second female thread portion 5d) that threadably engages with the second male thread portion 4d. In this embodiment, the second female thread portion 5d is provided only near the lower end of the outer hollow portion 5a.

[0020] The outer peripheral surface of the outer hollow portion 5a is provided with a vertically extending vertical groove (first vertical groove 5e). The first vertical groove 5e may be provided only on the outer peripheral surface of the outer hollow portion 5a (not penetrating to the inner peripheral surface of the outer hollow portion 5a), but the first vertical groove 5e in this embodiment penetrates from the outer peripheral surface to the inner peripheral surface of the outer hollow portion 5a, cutting out the entire area of ​​the outer hollow portion 5a from the lower end to the upper end. A pair of first vertical grooves 5e are provided on either side of the central axis O, and the pusher member 5 is elastically deformable so that the lower portion of the outer hollow portion 5a expands radially outward.

[0021] The first longitudinal groove portion 5e has a lower surface that is inclined radially outward as it extends upward, and an upper surface that is provided with a first stopper portion 5f that extends horizontally.

[0022] The movable cylinder member 7 has a cylindrical shape centered on the central axis O and includes a movable cylinder main body 7a located radially outward of the outer hollow portion 5a. The inner peripheral surface of the movable cylinder main body 7a is provided with a guide protrusion 7b that protrudes radially inward and engages with the first vertical groove 5e. The outer peripheral surface of the movable cylinder main body 7a is provided with a vertically extending vertical groove (second vertical groove 7c). The second vertical groove 7c engages with an engaging protrusion 1b provided on the case cylinder 1. The second vertical groove 7c has a lower surface that slopes radially outward as it extends upward, and an upper surface that is provided with a second stopper portion 7d that extends horizontally.

[0023] The operating part 8 is composed of a connecting member 9, an operating part body 10, and a middle part 11.

[0024] The connecting member 9 has a generally cylindrical inner peripheral wall 9a. The inner peripheral surface of the inner peripheral wall 9a is provided with an operation unit side anti-rotation portion 9b, which is made up of a plurality of protrusions spaced apart in the circumferential direction and engages with the unit side anti-rotation portion 3d to prevent rotation of the screw shaft member 3 relative to the connecting member 9. The inner peripheral surface of the inner peripheral wall 9a is further provided below the operation unit side anti-rotation portion 9b with an operation unit side anti-detachment portion 9c, which protrudes radially inward and holds the screw shaft member 3 relative to the connecting member 9.

[0025] The connecting member 9 also has a connecting wall portion 9d that extends radially outward from the middle of the inner circumferential wall portion 9a in the up-down direction. The underside of the connecting wall portion 9d is provided with a connecting member first engaging portion 9e that is located radially outward from the inner circumferential wall portion 9a and has a portion that protrudes radially inward on the inner circumferential surface, and a connecting member second engaging portion 9f that extends downward from the outer edge of the connecting wall portion 9d and then extends radially outward, and has a recess on its outer circumferential surface that engages with the engaging holding portion 1e.

[0026] 1 and 2, a sliding cylindrical portion 9g is provided on the upper surface of the connecting wall portion 9d. The sliding cylindrical portion 9g has a circular shape and a plurality of portions that protrude upward at its upper portion. The upward protruding portions of the sliding cylindrical portion 9g are inclined radially outward as shown in FIG. 1, and come into slidable contact with the inner peripheral surface of the case cylindrical main body 1a.

[0027] As shown in FIG. 2, an opening is provided in the vertically intermediate portion of the sliding cylindrical portion 9g, penetrating it radially. An elastic piece 9h is provided inside this opening, extending upward from the upper surface of the connecting wall portion 9d and then extending circumferentially. The elastic piece 9h is elastically deformable so that its tip is directed radially inward. The tip of the elastic piece 9h is provided with a pawl portion 9j that engages with the gear portion 1d, as shown in FIGS. 1 and 2. The gear portion 1d and the pawl portion 9j engage with each other like a ratchet. In this embodiment, when the pawl portion 9j attempts to rotate in one circumferential direction relative to the gear portion 1d, the pawl portion 9j acts to move radially inward relative to the gear portion 1d. This causes the elastic piece 9h to elastically deform radially inward, disengaging the gear portion 1d from the pawl portion 9j, thereby allowing rotation in that direction. On the other hand, when the pawl portion 9j rotates in the other circumferential direction relative to the gear portion 1d, the two remain engaged and rotation in that direction is prevented. Note that the dispensing container 100 of this embodiment is configured so that when the pawl portion 9j rotates in one circumferential direction relative to the gear portion 1d, the pushing-out member 5 moves forward relative to the case tube 1.

[0028] The operation unit main body 10 has a disk-shaped bottom wall portion 10a and a cylindrical outer peripheral wall portion 10b extending upward from the outer edge of the bottom wall portion 10a. The upper surface of the bottom wall portion 10a is provided with a main body engaging portion 10c that extends upward from the radially inner side of the connecting member first engaging portion 9e, has a portion on the outer peripheral surface that protrudes radially outward, and engages with the connecting member first engaging portion 9e.

[0029] The core 11 has a cylindrical core body 11a whose lower end is inserted into and held by the outer peripheral wall 10b. A flange 11b protruding radially outward is provided on the outer peripheral surface of the core body 11a. A retaining portion 11c, which bulges radially outward, is provided above the flange 11b on the outer peripheral surface of the core body 11a.

[0030] In this embodiment, the lid body 12 has a cylindrical shape with a lid, and covers the cylindrical case 1. The inner peripheral surface of the lid body 12 is provided with a concave engaged portion 12a that engages with the holding portion 11c, and the lid body 12 is detachably held to the core 11 by the engaging of the engaged portion 12a with the holding portion 11c.

[0031] Dispensing container 100 configured with these components can be assembled as follows: Note that the following explanation is an example, and the order of assembly can be changed as appropriate as long as assembly is possible.

[0032] First, as shown in Fig. 2, the screw shaft member 3 and the hollow screw member 4 are combined. At this time, the screw shaft member 3 may be rotated relative to the hollow screw member 4, thereby threading the first male threaded portion 3a and the first female threaded portion 4c together. However, since the hollow screw member 4 of this embodiment has a slit 4e, the inner hollow portion 4a can be elastically deformed so that its lower portion expands radially outward. In other words, when the screw shaft 3b is inserted into the inner hollow portion 4a, the lower portion of the inner hollow portion 4a expands radially outward and inward, allowing the first male threaded portion 3a and the first female threaded portion 4c to be threaded together.

[0033] Next, the push-out member 5 is combined with the hollow screw member 4. At this time, the hollow screw member 4 may be rotated relative to the push-out member 5, thereby threading the second male threaded portion 4d and the second female threaded portion 5d together, but the push-out member 5 of this embodiment is elastically deformable by the first longitudinal groove 5e so that the lower portion of the outer hollow portion 5a expands radially outward, and therefore, when the hollow screw member 4 is inserted into the outer hollow portion 5a, the lower portion of the outer hollow portion 5a expands radially outward and inward, allowing the second male threaded portion 4d and the second female threaded portion 5d to be threaded together.

[0034] Then, to assemble the movable cylindrical member 7 with the push-out member 5, the guide protrusion 7b is inserted into the first vertical groove 5e from below. The first vertical groove 5e is provided with a first stopper 5f, and the lower surface of the first stopper 5f is inclined radially outward as it extends upward. Therefore, when the guide protrusion 7b is pressed against the first stopper 5f from below, the guide protrusion 7b climbs over the first stopper 5f. This allows the guide protrusion 7b to engage with the first vertical groove 5e, enabling the movable cylindrical member 7 to be assembled with the push-out member 5.

[0035] In this embodiment, the screw shaft member 3, hollow screw member 4, push-out member 5, and movable cylindrical member 7 can be combined and pre-assembled into unit 2. Therefore, even if there is a defect in the shape of these members, for example, and this affects the rotational movement or forward / backward movement of each member, this can be detected before assembling into dispensing container 100.

[0036] Next, the unit 2 is inserted into the cylindrical case body 1a from the front end side, and the connecting member 9 is inserted into the cylindrical case body 1a from the rear end side. The lower shaft 3c of the threaded shaft member 3 is then inserted into the inner peripheral wall portion 9a of the connecting member 9. This engages the unit-side anti-rotation portion 3d with the operation unit-side anti-rotation portion 9b, and the unit-side anti-detachment portion 3e with the operation unit-side anti-detachment portion 9c, preventing the threaded shaft member 3 from rotating and retaining relative to the connecting member 9. At this time, the second connecting member engaging portion 9f of the connecting member 9 engages with the engaging and retaining portion 1e of the cylindrical case 1, allowing the connecting member 9 to be rotatably held relative to the cylindrical case 1. When the connecting member 9 is attached to the cylindrical case 1, the pawl portion 9j of the elastic piece 9h of the connecting member 9 engages with the gear portion 1d of the cylindrical case 1.

[0037] Thereafter, the lower end of the core body 11a of the core 11 is inserted into the inside of the operation unit body 10, and the two are fitted and held together. Furthermore, the case tube 1 with the connecting member 9 attached is inserted into the core body 11a. This engages the connecting member first engaging portion 9e with the body engaging portion 10c, and the connecting member 9 and the operation unit body 10 can be held together and prevented from coming off. A rotation-preventing portion (not shown) is provided between the connecting member 9 and the operation unit body 10, preventing them from rotating relative to each other. The lid 12 is then placed over the case tube body 1a, and the engaging portion 12a is engaged with the holding portion 11c, thereby holding the lid 12 in place in the core 11.

[0038] To use the contents stored in the dispensing container 100, after removing the lid 12, the operating unit main body 10 is rotated in one circumferential direction relative to the case tube 1. This causes the connecting member 9 to rotate in the same direction. Here, the pawl portion 9j on the connecting member 9 is engaged with the gear portion 1d on the case tube 1. However, when the connecting member 9 rotates in this direction, the engagement between the two is released, allowing rotation. Furthermore, the sliding cylindrical portion 9g on the connecting member 9 is in slidable contact with the inner circumferential surface of the case tube main body 1a. This provides appropriate resistance when the operating unit main body 10 is rotated, resulting in excellent operability. When the connecting member 9 rotates, the screw shaft member 3, which is held in a rotation-preventing manner by the connecting member 9, also rotates in the same direction. As a result, the hollow screw member 4, the push-out member 5, and the movable cylindrical member 7 move as shown in FIG. 3, allowing the contents to be dispensed from the opening at the tip of the case tube 1. As shown in the figure, according to the dispensing container 100 of this embodiment, the push-out member 5 can be moved from a position corresponding to one screw shaft 3b shown in Fig. 1 to a position corresponding to three screw shafts 3b shown in Fig. 3, so that a sufficient amount of content can be stored. Note that the push-out member 5 is provided with a first stopper portion 5f that engages with the guide protrusion 7b when it moves forward, and the movable cylindrical member 7 is provided with a second stopper portion 7d that engages with the engaging protrusion 1b when it moves forward, so that the pushed-out member 5 will not fall off the case cylindrical main body 1a when it moves forward.

[0039] Furthermore, in the dispensing container 100, even if an attempt is made to rotate the operating unit main body 10 in the other circumferential direction, the pawl portion 9j and the gear portion 1d remain engaged when rotating in this direction, preventing the operating unit main body 10 from rotating, thereby preventing the push-out member 5 from retracting relative to the case tube 1.

[0040] Next, dispensing container 100A, a second embodiment of the dispensing container according to the present invention, will be described with reference to Figures 4 to 6. Dispensing container 100A uses slightly different shapes of components, but its basic functions are the same as those of dispensing container 100 described above. In the following description, the differences in function will be mainly described, and parts that have the same functions despite slight differences in shape will be denoted in the drawings with the same reference numerals as those described above, and detailed description thereof will be omitted.

[0041] As shown in Figures 4 to 6, dispensing container 100A includes the above-mentioned cylindrical case 1, unit 2, and operating part 8, as well as an annular body 13. Dispensing container 100A also includes the above-mentioned lid body 12, but this is not shown in the figures.

[0042] As shown in the figure, the cylindrical case 1 includes the above-mentioned cylindrical case body 1a, engaging protrusion 1b, stopper protrusion 1c, gear part 1d, and engaging holding part 1e.

[0043] The unit 2 is configured to include the above-mentioned annular body 13 in addition to the screw shaft member 3, hollow screw member 4, push-out member 5, and guide portion 6, and the guide portion 6 is configured to include a movable cylindrical member 7.

[0044] The screw shaft member 3 is provided with the above-mentioned first male thread portion 3a, screw shaft 3b, lower shaft 3c, unit side anti-rotation portion 3d, and unit side anti-detachment portion 3e. While the screw shaft 3b is cylindrical in the embodiment shown in Figures 1 to 3, it is columnar in the dispensing container 100A.

[0045] The hollow screw member 4 has a hollow inner hollow portion 4a. The inner hollow portion 4a corresponds to the "hollow portion" in this specification. A disk-shaped top wall portion 4b is provided at the upper end of the inner hollow portion 4a. A first female thread portion 4c that threadably engages with the first male thread portion 3a is provided on the inner peripheral surface of the inner hollow portion 4a. In this embodiment, the first female thread portion 4c is provided only near the lower end of the inner hollow portion 4a. A second male thread portion 4d is provided on the outer peripheral surface of the inner hollow portion 4a. The hollow screw member 4 also has a slit 4e that cuts out the inner hollow portion 4a from bottom to top. In this embodiment, the slit 4e cuts out the entire area of ​​the inner hollow portion 4a from the lower end to the upper end. A pair of slits 4e are provided on either side of the central axis O, and the lower portion of the inner hollow portion 4a is elastically deformable so as to expand radially outward. A claw-shaped anti-detachment engaging portion 4f protruding radially outward is provided at the lower end of the inner hollow portion 4a.

[0046] The pusher 5 includes the outer hollow portion 5a, top wall portion 5b, seal portion 5c, second female thread portion 5d, and first longitudinal groove portion 5e described above. The first longitudinal groove portion 5e of this embodiment also penetrates the outer hollow portion 5a from its outer peripheral surface to its inner peripheral surface, cutting out the entire area of ​​the outer hollow portion 5a from its lower end to its upper end. A pair of first longitudinal groove portions 5e are provided on either side of the central axis O, and the pusher 5 is elastically deformable so that the lower portion of the outer hollow portion 5a expands radially outward. Furthermore, the pusher 5 of this embodiment includes a guide protrusion 5g that protrudes radially outward from the outer peripheral surface of the outer hollow portion 5a.

[0047] The movable cylinder member 7 has a cylindrical shape centered on the central axis O and includes a movable cylinder main body 7a located radially outward of the outer hollow portion 5a. A vertically extending vertical groove (first vertical groove 7e) is provided on the inner peripheral surface of the movable cylinder main body 7a. The first vertical groove 7e engages with the guide protrusion 5g. The movable cylinder main body 7a also has a vertically extending vertical groove (second vertical groove 7c) on its outer peripheral surface. The first vertical groove 7e is offset from the second vertical groove 7c in the circumferential direction, and the first vertical groove 7e is indicated by a dashed line in the half cross-sectional view of FIG. 4. The second vertical groove 7c engages with the engaging protrusion 1b of the case cylinder 1. As shown in FIG. 5A, a through-opening 7g is provided at the bottom of the movable cylinder member 7, cutting out the movable cylinder main body 7a in a semicircular shape.

[0048] In this embodiment, the annular body 13 has a circular ring shape and is located radially outward of the retaining engagement portion 4f provided in the inner hollow portion 4a as shown in Fig. 4. As shown in Fig. 5A, the inner peripheral surface of the annular body 13 is provided with a retaining engagement portion 13a that protrudes radially inward.

[0049] 5A and 5B are diagrams showing the initial state of the movable cylindrical member 7 and the annular body 13 in this embodiment. The annular body 13 is integrally connected to the inner circumferential surface of the movable cylindrical main body 7a via a thin-walled weakened portion 7f provided on the movable cylindrical member 7. In other words, the movable cylindrical member 7 and the annular body 13 in this embodiment are formed as a single member.

[0050] In this embodiment, the operating portion 8 is also composed of a connecting member 9, an operating portion main body 10, and a middle member 11.

[0051] The connecting member 9 includes the inner peripheral wall portion 9a, the operating portion side anti-rotation portion 9b, the operating portion side anti-detachment portion 9c, the connecting wall portion 9d, the connecting member first engaging portion 9e, and the connecting member second engaging portion 9f.

[0052] The above-mentioned elastic piece 9h is provided on the upper surface of the connecting wall portion 9d, and the tip of the elastic piece 9h is provided with a pawl portion 9j that engages with the above-mentioned gear portion 1d. Because the gear portion 1d and the pawl portion 9j engage with each other like a ratchet, the pawl portion 9j can rotate in one circumferential direction relative to the gear portion 1d, but is prevented from rotating in the other circumferential direction. The dispensing container 100A of this embodiment is also configured so that when the pawl portion 9j rotates in one circumferential direction relative to the gear portion 1d, the pushing member 5 advances relative to the case tube 1.

[0053] The operation unit main body 10 includes the bottom wall portion 10a, the outer peripheral wall portion 10b, and the main body engaging portion 10c.

[0054] The core 11 includes the core body 11a, flange 11b, and holding portion 11c.

[0055] Next, an example of the procedure for assembling the dispensing container 100A composed of these components will be described. First, the screw shaft member 3 and the hollow screw member 4 are assembled. The hollow screw member 4 has a slit 4e, and the inner hollow portion 4a is elastically deformable so that its lower portion expands radially outward. Therefore, when the screw shaft 3b is inserted into the inner hollow portion 4a, the lower portion of the inner hollow portion 4a expands radially inward and outward, allowing the first male threaded portion 3a and the first female threaded portion 4c to be threadedly engaged. Next, the push-out member 5 is assembled with the hollow screw member 4, and the movable cylindrical member 7 is further assembled with the push-out member 5, thereby assembling the unit 2 in the state shown in FIG. 5A.

[0056] Next, the annular body 13, which is integrally connected to the inner circumferential surface of the movable cylinder main body 7a by the weakened portion 7f, is separated from the hollow screw member 4 by breaking the weakened portion 7f. In this embodiment, a cylindrical jig J shown in FIG. 5C is prepared, and the lower end of the screw shaft member 3 is inserted into the opening of the jig J while the unit 2 is pressed against the jig J. As shown in the figure, the jig J is positioned below the annular body 13. When the unit 2 is pressed against the jig J, a force acts on the annular body 13 from below, causing the weakened portion 7f to break and separating the annular body 13 from the hollow screw member 4. The annular body 13, which separates and moves upward relative to the hollow screw member 4, is held in place by the hollow screw member 4 because the retaining engagement portion 13a engages with the retaining engagement portion 4f. In this state, the annular body 13 is positioned radially outward of the lower end of the inner hollow portion 4a. When the annular body 13 is in this position, the annular body 13 can be seen through the through opening 7g shown in FIG. 5A, so that it can be easily confirmed that the annular body 13 is held by the hollow screw member 4.

[0057] In this embodiment, too, the screw shaft member 3 and the hollow screw member 4 can be assembled in advance as a unit 2, so that even if there is a defect in the shape of the members that make up the unit 2 and this affects the rotational movement or forward / backward movement of each member, this can be detected before assembling the dispensing container 100A.

[0058] Thereafter, the assembled unit 2 is inserted into the inside of the cylindrical case body 1a from the front end side of the cylindrical case body 1a, and the connecting member 9 is inserted into the inside of the cylindrical case body 1a from the rear end side of the cylindrical case body 1a. Then, the cylindrical case 1 with the connecting member 9 attached is inserted into the operating portion main body 10 with the center component 11 attached, thereby assembling the dispensing container 100A.

[0059] To dispense the contents from dispensing container 100A, similar to dispensing container 100, operating unit main body 10 is rotated in one circumferential direction relative to case tube 1. This causes push-out member 5 to move forward relative to case tube 1, allowing the contents to be dispensed from the opening at the tip end of case tube 1.

[0060] However, because the slits 4e allow the inner hollow portion 4a to elastically deform so that its lower portion expands radially outward, when a load is applied to the first male threaded portion 3a and the first female threaded portion 4c, the inner hollow portion 4a elastically deforms radially outward, which could result in the threaded engagement of the first male threaded portion 3a and the first female threaded portion 4c. On the other hand, the dispensing container 100A of this embodiment includes an annular body 13 located radially outward at the lower end of the inner hollow portion 4a, thereby preventing the inner hollow portion 4a from elastically deforming radially outward. Therefore, even if the hollow screw member 4 moves close to the tip of the screw shaft member 3, as shown in FIG. 6, the first male threaded portion 3a and the first female threaded portion 4c will not disengage.

[0061] Next, dispensing container 100B, which is a third embodiment of the dispensing container according to the present invention, will be described with reference to Figures 7 to 11. Although the shapes of the components used in dispensing container 100B are slightly different, the basic functions are the same as those of dispensing container 100 described above.

[0062] Like dispensing container 100A, dispensing container 100B includes a cylindrical case 1, a unit 2, an operating part 8, and an annular body 13. Dispensing container 100B also includes lid body 12 as described above, but this is not shown in the figures.

[0063] 8A and 8B, the cylindrical case 1 includes the cylindrical case main body 1a, engaging protrusion 1b, stopper protrusion 1c, gear portion 1d, and engaging holding portion 1e. An annular body 13 is provided inside the cylindrical case main body 1a. The relationship between the cylindrical case 1 and the annular body 13 will be described later.

[0064] The unit 2 is composed of a screw shaft member 3, a hollow screw member 4, a push-out member 5, and a guide portion 6, and the guide portion 6 is composed of a movable cylindrical member .

[0065] The screw shaft member 3 includes the first male screw portion 3a, the screw shaft 3b, the lower shaft 3c, the unit side anti-rotation portion 3d, and the unit side anti-detachment portion 3e described in connection with the dispensing container 100A.

[0066] The hollow screw member 4 includes the inner hollow portion 4a, the top wall portion 4b, the first female thread portion 4c, the second male thread portion 4d, the slit 4e, and the retaining engagement portion 4f described in connection with the dispensing container 100A.

[0067] Push-out member 5 includes outer hollow portion 5a, top wall portion 5b, seal portion 5c, second female thread portion 5d, and first vertical groove portion 5e, which are described in connection with dispensing container 100A. Note that guide protrusion 5g shown in Fig. 4 is eliminated in dispensing container 100B, as shown in Fig. 7. Push-out member 5 also includes first stopper portion 5f, which is described in connection with dispensing container 100.

[0068] Movable cylindrical member 7 includes movable cylindrical main body 7a and second vertical groove 7c as described in dispensing container 100A, but does not include first vertical groove 7e and weakened portion 7f as shown in Figure 4. Like dispensing container 100, movable cylindrical member 7 includes guide protrusion 7b that engages with first vertical groove 5e, and second stopper portion 7d.

[0069] Similar to dispensing container 100A, operating part 8 is made up of connecting member 9, operating part main body 10, and inner member 11.

[0070] The connecting member 9 includes an inner peripheral wall portion 9a, an operating unit side anti-rotation portion 9b, an operating unit side anti-slip portion 9c, a connecting wall portion 9d, a connecting member first engaging portion 9e, a connecting member second engaging portion 9f, an elastic piece 9h, and a pawl portion 9j, as described in the dispensing container 100A.

[0071] Operation unit main body 10 includes bottom wall portion 10a, outer peripheral wall portion 10b, and main body engaging portion 10c, which have been described in connection with dispensing container 100A.

[0072] The core 11 includes the core body 11a, flange portion 11b, and holding portion 11c described in connection with the dispensing container 100A.

[0073] In this embodiment, the annular body 13 is annular, and is located radially outward of the retaining engagement portion 4f provided in the inner hollow portion 4a, as shown in Fig. 7. As shown in Fig. 8A, the inner peripheral surface of the annular body 13 is provided with a retaining engagement portion 13a that protrudes radially inward.

[0074] 8A and 8B are diagrams showing the initial state of the cylindrical case 1 and the annular body 13 in this embodiment. The annular body 13 is integrally connected to a stopper protrusion 1c provided on the inner peripheral surface of the cylindrical case main body 1a via a thin-walled weakened portion 1f provided on the cylindrical case 1. In other words, the cylindrical case 1 and the annular body 13 in this embodiment are formed as a single member.

[0075] The dispensing container 100B configured with these components can be assembled, for example, as follows. First, the screw shaft member 3 and the hollow screw member 4 are combined. As described above, the inner hollow portion 4a is elastically deformable so as to expand radially outward due to the slits 4e. Therefore, when the screw shaft 3b is inserted into the inner hollow portion 4a, the lower portion of the inner hollow portion 4a expands radially inward and outward, allowing the first male threaded portion 3a and the first female threaded portion 4c to be threadedly engaged. Next, the push-out member 5 is combined with the hollow screw member 4, and the movable cylindrical member 7 is combined with the push-out member 5, thereby completing assembly as the unit 2.

[0076] In this embodiment, too, the screw shaft member 3 and the hollow screw member 4 can be assembled in advance as unit 2, so that even if there is a defect in the shape of the members that make up unit 2 and this affects the rotational movement or forward / backward movement of each member, this can be detected before assembling into dispensing container 100B.

[0077] Next, as shown in FIG. 9, the assembled unit 2 is inserted into the cylindrical case body 1a from the front end side. Then, with the unit 2 supported, a cylindrical jig J is inserted into the rear end side of the cylindrical case body 1a and pressed toward the unit 2, as shown in FIG. 10. At this time, a force from below to above acts on the annular body 13 by the jig J, causing the weakened portion 1f to break and the annular body 13 to separate from the cylindrical case 1. As the annular body 13 separates and moves upward relative to the hollow screw member 4, the retaining engaging portion 4f engages with the retaining engaged portion 13a, so that the annular body 13 is held by the hollow screw member 4. In this state, the annular body 13 is positioned radially outward of the lower end of the inner hollow portion 4a.

[0078] Thereafter, connecting member 9 is inserted into case cylindrical body 1a from the rear end side thereof. Then, case cylindrical 1 with connecting member 9 attached thereto is inserted into operation portion body 10 with center component 11 attached, thereby assembling dispensing container 100B.

[0079] To dispense the contents from dispensing container 100B, just as with dispensing container 100A, simply rotate operating unit main body 10 in one circumferential direction relative to case tube 1. This moves push-out member 5 forward relative to case tube 1, allowing the contents to be dispensed from the opening at the tip end of case tube 1. Dispensing container 100B also includes an annular body 13 located radially outward of inner hollow portion 4a, which prevents elastic deformation of inner hollow portion 4a radially outward even if a load is applied to, for example, first male thread portion 3a and first female thread portion 4c. Therefore, even if hollow screw member 4 moves close to the tip end of screw shaft member 3 as shown in FIG. 11, first male thread portion 3a and first female thread portion 4c will not come loose.

[0080] Although the first to third embodiments embodying the present invention have been described above with reference to the drawings, these embodiments can be modified as appropriate.

[0081] 1 to 3 includes the movable cylindrical member 7 in the above-described embodiment, but it is sufficient if the guide member 6 engages with the engaging protrusion 1b and moves the pushing-out member 5 in a direction along the central axis O while restricting its rotation about the central axis O relative to the cylindrical case 1. For example, the movable cylindrical member 7 may be omitted, and the engaging protrusion 1b of the cylindrical case 1 may be engaged with the first vertical groove 5e of the pushing-out member 5. Furthermore, the configurations of dispensing containers 100, 100A, and 100B may be interchanged. For example, dispensing container 100 may have, like dispensing container 100A, guide protrusion 7b provided on the inner peripheral surface of the movable cylindrical member 7 and provided on the outer peripheral surface of the outer hollow portion 5a of the pushing-out member 5, and the first vertical groove 5e of the pushing-out member 5 may be provided on the inner peripheral surface of the movable cylindrical main body 7a of the movable cylindrical member 7.

[0082] (Addendum) This specification discloses the following technology in one aspect. Note that the reference numerals described below correspond to the reference numerals in the accompanying drawings, but are presented as examples and are not intended to limit the invention of this application.

[0083] (Technology 1) a case cylinder (1) having an engaging protrusion (1b) on its inner circumferential surface; an operating unit (8) held rotatably about a central axis (O) of the case cylinder (1) relative to the case cylinder (1); a hollow screw member (4) having a first female threaded portion (4c) on its inner peripheral surface that threads onto the first male threaded portion (3a) and a second male threaded portion (4d) on its outer peripheral surface; a push-out member (5) having a second female threaded portion (5d) on its inner peripheral surface that threads onto the second male threaded portion (4d) and a seal portion (5c) that slidably contacts the inner peripheral surface of the case tube (1); and a guide portion (6) that engages with the engaging protrusion (1b) and moves the push-out member (5) in a direction along the central axis (O) relative to the case tube (1) while restricting rotation about the central axis (O), wherein when the operating portion (8) is rotated in one circumferential direction relative to the case tube (1), the push-out member (5) advances relative to the case tube (1); The unit (2) is configured to be inserted into the case cylinder (1) from the tip side of the case cylinder (1), The operating part (8) is configured to be inserted into the case cylinder (1) from the rear end side of the case cylinder (1), The screw shaft member (3) is a dispensing container (100) having a unit side anti-rotation portion (3d) that connects to an operating part side anti-rotation portion (9b) that the operating part (8) has, and a unit side anti-detachment portion (3e) that connects to an operating part side anti-detachment portion (9c) that the operating part (8) has.

[0084] This technology allows the screw shaft member to be included in a unit that includes a push-out member, etc., thereby improving assembly efficiency.

[0085] (Technology 2) A gear part (1d) consisting of a plurality of protrusions spaced apart in the circumferential direction is provided on the inner peripheral surface of the case cylinder (1), The operating portion (8) has a pawl portion (9j) that engages with the gear portion (1d) and is provided with an elastic piece (9h) that is elastically deformable radially inward, The dispensing container according to Technology 1, wherein rotation of the operating part (8) in one circumferential direction is permitted by elastic deformation of the elastic piece (9h) inward in the radial direction, while rotation of the operating part (8) in the other circumferential direction is restricted by engagement between the gear part (1d) and the pawl part (9j).

[0086] This technology prevents the push-out member from moving backward relative to the case cylinder, preventing the contained contents from separating from the push-out member. Furthermore, while it is possible to configure the gear portion to be located on the underside of a stepped portion formed by enlarging a portion of the case cylinder, as shown in Patent Document 1, configuring it as described above eliminates the need to provide a stepped portion in the case cylinder, thereby simplifying the shape of the case cylinder.

[0087] (Technology 3) The guide portion (6) is configured to include a movable cylindrical member (7) located radially outward of the push-out member (5), A guide protrusion (7b) is provided on either the inner peripheral surface of the movable cylindrical member (7) or the outer peripheral surface of the push-out member (5), a first longitudinal groove portion (5e) that engages with the guide protrusion portion (7b) and moves the push-out member (5) in a direction along the central axis (O) while restricting rotation of the push-out member (5) around the central axis (O) relative to the movable cylindrical member (7); The dispensing container according to Technology 1, wherein a second vertical groove portion (7c) is provided on the outer peripheral surface of the movable cylindrical member (7) to engage with the engaging protrusion portion (1b) and move the push-out member (5) in a direction along the central axis (O) while restricting rotation around the central axis (O) relative to the case cylinder (1).

[0088] This technology makes it possible to ensure a sufficient amount of movement of the push-out member while suppressing the axial size of the dispensing container. And because the amount of movement of the push-out member can be ensured sufficiently, a sufficient amount of content can be accommodated.

[0089] (Technology 4) The hollow screw member (4) has a hollow portion (4a) having the first female thread portion (4c) on its inner peripheral surface and the second male thread portion (4d) on its outer peripheral surface, and a slit (4e) that is cut out of the hollow portion (4a) along the central axis (O) to allow elastic deformation of the hollow portion (4a) radially outward and to allow threading of the first female thread portion (4c) and the first male thread portion (3a), The dispensing container (100A) described in Technology 1 further comprises an annular body (13) positioned radially outward of the hollow portion (4a) and preventing elastic deformation radially outward of the hollow portion (4a) where the first female threaded portion (4c) and the first male threaded portion (3a) are threadedly engaged.

[0090] With this technology, even if a load is applied to the first male threaded portion and the first female threaded portion, the annular body prevents elastic deformation of the hollow portion radially outward, so the first male threaded portion and the first female threaded portion that are screwed together will not come loose.

[0091] (Technology 5) The guide portion (6) is configured to include a movable cylindrical member (7) located radially outward of the push-out member (5), In the dispensing container (100A) according to Technical Problem 4, the annular body (13) is integrally connected to the inner circumferential surface of the movable cylindrical member (7) via a weakened portion (7f) before the movable cylindrical member (7) is inserted into the push-out member (5).

[0092] According to this technique, the movable cylindrical member and the annular body can be formed as a single member, so that the number of parts does not increase and costs can be suppressed.

[0093] (Technology 6) The dispensing container (100A) according to Technology 5, wherein the movable cylindrical member (7) has a through opening (7g) that allows the annular body (13) to be seen from outside the movable cylindrical member (7) when the annular body (13) is positioned radially outside the hollow portion (4a).

[0094] According to this technique, it is possible to visually confirm through the through opening that the annular body is positioned radially outside the hollow portion, and therefore it is easy to confirm that the annular body is attached in a predetermined state.

[0095] (Technology 7) The dispensing container (100B) according to Technical Example 4, wherein the annular body (13) is integrally connected to the inner peripheral surface of the case tube (1) via a weakened portion (1f) before the unit (2) is inserted into the case tube (1).

[0096] According to this technique, the cylindrical case and the annular body can be formed as a single member, which prevents an increase in the number of parts and suppresses increases in costs.

[0097] Although one embodiment of the present invention has been described above, the present invention is not limited to this specific embodiment, and unless otherwise limited in the above description, various modifications and variations are possible within the spirit and scope of the present invention as defined in the claims. For example, the configurations of the above-described embodiment may be added or deleted as appropriate, and the configurations of one embodiment may be incorporated into other embodiments. Furthermore, the effects of the above-described embodiment are merely examples of the effects that can be obtained from the present invention. In other words, the effects of the present invention are not limited to the above-described effects, and additional effects may be obtained in addition to the above-described effects. [Explanation of symbols]

[0098] 1: Case tube 1a: Case cylinder body 1b: Engagement convex part 1c: Stopper protrusion 1d: Gear section 1e: Engagement holding part 1f: Weakened part 2: Unit 3: Screw shaft material 3a: First male thread 3b: screw shaft 3c: Lower axis 3d: Unit side anti-rotation part 3e: Unit side retaining part 4: Hollow screw member 4a: Inner hollow part (hollow part) 4b: Ceiling wall part 4c: First female thread 4d: Second male thread 4e:Slit 4f: Anti-slip engagement part 5: Extrusion member 5a: Outer hollow part 5b:Top wall part 5c: Seal part 5d: Second female thread 5e: First vertical groove 5f: First stopper part 5g: Guide protrusion 6: Information department 7: Movable cylindrical member 7a: Movable tube body 7b: Guide protrusion 7c: Second vertical groove part 7d: Second stopper part 7e: First vertical groove 7f: Weakened part 7g: Through opening 8:Operation section 9a: Inner peripheral wall part 9b: Anti-rotation part on the operating part side 9c: Locking part on the operation part side 9d: Connecting wall section 9e: first engagement portion of connecting member 9f: second engagement portion of connecting member 9g: Sliding cylinder 9h: Elastic piece 9j: Pawl 10: Control unit body 10a: Bottom wall part 10b: Outer wall 10c: Main body engagement part 11: Filling 11a: Inner tool body 11b: flange part 11c: Holding part 12: Lid 12a: Engaged part 13: Circular 13a: Anti-slip engaged part 100, 100A, 100B: Dispenser J: Jig O: Central axis

Claims

1. a case tube having an engaging protrusion on its inner circumferential surface; an operating unit that is held rotatably about a central axis of the case tube relative to the case tube; a hollow screw member having a first female threaded portion on its inner peripheral surface and a second male threaded portion on its outer peripheral surface; a push-out member having a second female threaded portion on its inner peripheral surface and a seal portion that threads onto the second male threaded portion and that slidably contacts the inner peripheral surface of the case tube; and a guide portion that engages with the engaging protrusion and moves the push-out member in a direction along the central axis relative to the case tube while restricting rotation about the central axis relative to the case tube, wherein when the operating portion is rotated in one circumferential direction relative to the case tube, the push-out member advances relative to the case tube, The unit is configured to be inserted into the case tube from the tip side of the case tube, the operating unit is configured to be inserted into the case tube from the rear end side thereof, The screw shaft member is a dispensing container having a unit-side anti-rotation portion that connects to an operation-unit-side anti-rotation portion provided on the operation unit, and a unit-side anti-detachment portion that connects to an operation-unit-side anti-detachment portion provided on the operation unit.

2. a gear portion formed of a plurality of protrusions spaced apart in the circumferential direction is provided on the inner circumferential surface of the case cylinder; the operating portion includes an elastic piece having a pawl portion that engages with the gear portion and that is elastically deformable radially inward, 2. The dispensing container according to claim 1, wherein rotation of the operating part in one circumferential direction is permitted by elastic deformation of the elastic piece radially inward, while rotation of the operating part in the other circumferential direction is restricted by engagement between the gear part and the pawl part.

3. the guide portion includes a movable cylindrical member located radially outward of the push-out member, a guide protrusion is provided on either an inner peripheral surface of the movable cylindrical member or an outer peripheral surface of the push-out member, a first longitudinal groove portion that engages with the guide protrusion portion and moves the push-out member in a direction along the central axis while restricting rotation of the push-out member about the central axis relative to the movable cylindrical member, 2. The dispensing container according to claim 1, wherein a second longitudinal groove portion is provided on an outer peripheral surface of the movable cylindrical member, the second longitudinal groove portion engaging with the engaging protrusion portion and moving the pushing member in a direction along the central axis while restricting rotation of the pushing member about the central axis relative to the case cylinder.

4. The hollow screw member has a hollow portion having the first female threaded portion provided on its inner peripheral surface and the second male threaded portion provided on its outer peripheral surface, and a slit that is cut out of the hollow portion along the central axis to allow elastic deformation of the hollow portion radially outward and allow threading of the first female threaded portion and the first male threaded portion, The dispensing container according to claim 1, further comprising an annular body positioned radially outward of the hollow portion, the annular body preventing elastic deformation radially outward of the hollow portion in which the first female threaded portion and the first male threaded portion are threadedly engaged.

5. the guide portion includes a movable cylindrical member located radially outward of the push-out member, 5. The dispensing container according to claim 4, wherein the annular body is integrally connected to the inner circumferential surface of the movable cylindrical member via a weakened portion before the movable cylindrical member is inserted into the pushing member.

6. 6. The dispensing container according to claim 5, wherein the movable cylindrical member has a through opening that allows the annular body to be seen from outside the movable cylindrical member when the annular body is positioned radially outside the hollow portion.

7. 5. The dispensing container according to claim 4, wherein the annular body is integrally connected to the inner circumferential surface of the cylindrical case via a weakened portion before the unit is inserted into the cylindrical case.

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