JP6991038B2 - Refill container - Google Patents

Description

The present invention relates to a refill container.

Conventionally, a refill container in which the contents to be refilled in this container are stored has been known. For example, Patent Document 1 below discloses a refill container provided with a valve that opens at the spout with a pressure that grips the container. According to this configuration, the contents can be poured out from the refill container in the required amount, so that the contents can be subdivided into small-capacity containers.

Japanese Unexamined Patent Publication No. 2017-114561

However, when refilling the contents of the container, for example, when the container is opaque, it may be difficult to tell from the appearance what the content of the container is. Therefore, when refilling from a large-capacity refill container, which has been increasing in recent years, to this container, there is a concern that the contents may overflow from this container due to overfilling.

An object of the present invention is to provide a refillable container that can be refilled into the present container a plurality of times by a fixed amount.

The refill container according to one aspect of the present invention includes a container body in which the contents to be refilled in the container are housed, a nozzle member attached to the mouth of the container body and having a spout for pouring out the contents, and the note. A cap member that opens and closes an outlet is provided, and when the direction in which the nozzle member extends is the vertical direction, the mouth portion of the container body is located at the upper end portion of the container body, and the cap member is the upper side of the container body. The nozzle member is located in the radial direction of the mounting cylinder attached to the mouth portion, the first dispensing cylinder extending from the upper end portion of the mounting cylinder into the container body, and the first dispensing cylinder. It has a second dispenser that is arranged inside and protrudes upward from the upper end of the first dispenser, and the second dispenser is removed or removed from the first dispenser. The member composed of the first pouring cylinder and the second pouring cylinder, which is rotatably combined, has a spout of the nozzle member on the outside of the container body, and is said to be inside the container body. The nozzle member has an opening communicating with the spout, and the nozzle member has an upper end position of the opening communicating with the spout according to the relative positions of the first pouring cylinder and the second pouring cylinder. Is characterized by being changeable.

The liquid level of the contents in the container body moves with the pouring of the contents, but when the liquid level reaches the opening leading to the pouring outlet, the contents are no longer poured. According to the above configuration, the upper end position of the opening communicating with the spout can be changed according to the relative position of the first pouring cylinder and the second pouring cylinder. That is, the position of the opening where the liquid level of the contents reaches can be changed. As a result, the stop position of the liquid level can be controlled, so that a predetermined amount of contents can be poured out for each refilling operation. Therefore, in the refilling work of a plurality of times, by changing the relative positions of the first pouring cylinder and the second pouring cylinder, it is possible to perform the refilling work of the present container a plurality of times by a fixed amount.

The second dispenser may be connected to the upper end of the first dispenser via a weakening portion and may protrude below the lower end of the first dispenser in the container body. ..
With the above configuration, in the first refilling operation, a predetermined amount of contents can be dispensed using the second dispensing cylinder. Further, in the second refilling operation, the weakened portion is broken, the second dispensing cylinder is removed, and a predetermined amount of contents can be dispensed using the first dispensing cylinder. Further, in the third refilling operation, the first dispensing cylinder can be removed and a predetermined amount of contents can be dispensed through the mouth.

The first pouring cylinder and the second pouring cylinder have side openings on the side surfaces located in the container body, respectively, in the circumferential direction between the first pouring cylinder and the second pouring cylinder. Depending on the relative position, the side opening of the first dispensing cylinder and the side opening of the second dispensing cylinder communicate with each other, and the side opening of the first dispensing cylinder is the second. The configuration may be such that the state of being blocked by the side surface of the dispensing cylinder can be switched.
With the above configuration, in the first refilling operation, a predetermined amount of contents can be dispensed only from the lower end opening of the first dispensing cylinder. Further, in the second refilling operation, a predetermined amount of contents can be poured out through the side opening.

According to the present invention, there is provided a refillable container capable of refilling a certain amount of contents a plurality of times with respect to the present container.

FIG. 1 is a vertical cross-sectional view of the refill container of the first embodiment. FIG. 2 is an explanatory diagram of the first refill operation. FIG. 3 is an explanatory diagram of the second refill operation. FIG. 4 is an explanatory diagram of the third refill operation. FIG. 5 is a vertical cross-sectional view of the refill container of the modified example. FIG. 6 is an explanatory diagram showing a method of removing the second dispensing cylinder. FIG. 7 is a vertical sectional view of the refill container of the second embodiment. 8 (a) to 8 (c) are partial side views of the second dispenser cylinder, and FIGS. 8 (d) are partial side views of the first dispenser cylinder. FIG. 9 is an explanatory diagram of the first refill operation. FIG. 10 is an explanatory diagram of the second refill operation. FIG. 11 is an explanatory diagram of the third refill operation.

Hereinafter, embodiments of the present invention will be described with reference to the drawings.

(First Embodiment)
As shown in FIG. 1, the refill container 1 is attached to and detached from the bottomed cylindrical container body 2, the tubular nozzle member 4 assembled to the mouth portion 3 of the container body 2, and the mouth portion 3 of the container body 2. It is provided with a ridged cylindrical cap member 5 that is possibly mounted.

The central axes of the container body 2, the nozzle member 4, and the cap member 5 are arranged on a common axis. In the present embodiment, the above-mentioned common shaft is referred to as a container shaft O, the cap member 5 side along the container shaft O direction is on the upper side, and the container body 2 side is on the lower side. The direction orthogonal to the container axis O in a plan view from the container axis O direction is called the radial direction, and the direction orbiting around the container axis O is called the circumferential direction.

The container body 2 is formed by blow molding a preform formed into a bottomed cylinder by injection molding or the like. The container body 2 contains the contents to be refilled in the main container 100 (see FIG. 2), which is separate from the refill container 1. The container body 2 may be formed by extrusion blow molding or the like.

The mouth portion 3 of the container body 2 has a cylindrical shape centered on the container shaft O. A male screw portion 16 is formed on the outer peripheral surface of the mouth portion 3. In the present embodiment, the outer diameter of the mouth portion 3 is smaller than the inner diameter of the injection port portion 101 of the present container 100, for example.

The nozzle member 4 is assembled to the mouth portion 3 of the container body 2. The nozzle member 4 has a mounting cylinder 21, a first injection cylinder 23, and a second injection cylinder 24.
The mounting cylinder 21 is composed of a top wall portion 22 and a peripheral wall portion 25 having a female threaded portion 26 on the inner peripheral surface, and is screwed to the mouth portion 3 of the container main body 2. The top wall portion 22 is an annular shape extending radially inward from the upper end of the peripheral wall portion 25. The inner peripheral edge of the top wall portion 22 is connected to the side surface of the first dispensing cylinder 23. The mounting cylinder 21 may be mounted on the mouth portion 3 by undercut fitting or the like.

The first dispensing cylinder 23 includes an upper cylinder portion 23A extending upward from the inner peripheral edge of the top wall portion 22, and a lower cylinder portion 23B extending downward from the inner peripheral edge of the top wall portion 22. The lower cylinder portion 23B extends to the inside of the container body 2. The lower cylinder portion 23B has a lower end opening portion 23a that opens downward at the lower end portion.

A male screw portion 27 is formed on the outer peripheral surface of the upper cylinder portion 23A. The cap member 5 is screwed onto the upper cylinder portion 23A. A connecting portion 28 connecting the first pouring cylinder 23 and the second pouring cylinder 24 is connected to the upper end portion of the upper cylinder portion 23A. The connecting portion 28 is a weakened portion capable of breaking the annular flange portion 28B projecting radially from the upper end portion of the upper cylinder portion 23A and the annular flange portion 28A projecting radially from the second ejection cylinder 24. It is connected by 28a. The weakened portion 28a is connected to the inner end of the annular flange portion 28A protruding from the upper cylinder portion 23A at the lower end portion, and is connected to the outer end of the annular flange portion 28B protruding from the second ejection cylinder 24 at the upper end portion. Be connected.

The weakened portion 28a is a thin portion having a thinner radial thickness than the other portions. The weakened portion 28a is formed over the entire circumference of the connecting portion 28 in the circumferential direction. The connection portion 28 seals the gap between the first dispenser cylinder 23 and the second dispenser cylinder 24 at the tip end portion of the first dispenser cylinder 23.

The second dispenser tube 24 is arranged inside the first dispenser tube 23 and extends along the container shaft O. The upper end of the second dispenser 24 projects upward from the upper end of the first dispenser 23. The upper end of the second pouring cylinder 24 opens upward to form the pouring outlet of the refill container 1. The lower portion of the second dispensing cylinder 24 projects downward from the lower end opening 23a of the first dispensing cylinder 23. The second dispensing cylinder 24 has a lower end opening 24a that opens downward at the lower end. That is, the first pouring cylinder 23 and the second pouring cylinder 24 have lower end openings 23a and 24a having different height positions from each other. The second dispenser tube 24 has an annular flange portion 29 on the side surface above the connection position with the connection portion 28.

The cap member 5 is detachably attached to the upper cylinder portion 23A in a state where the second ejection cylinder 24 is covered from above and from the outside in the radial direction. The cap member 5 has a top wall portion 55, a mounting cylinder 56, and an inner cylinder 57. The cap member 5 may be configured to be mounted on the container body 2.

The top wall portion 55 is arranged above the second pouring cylinder 24 and faces the upper end opening edge of the second pouring cylinder 24 in the container axis O direction. The mounting cylinder 56 extends downward from the outer peripheral edge of the top wall portion 55. A female screw portion 58 is formed on the inner peripheral surface of the lower end portion of the mounting cylinder 56. The female screw portion 58 is screwed to the male screw portion 27 of the upper cylinder portion 23A. The mounting cylinder 56 may be mounted on the upper cylinder portion 23A by a method other than screwing (for example, undercut fitting or the like).

On the inner peripheral surface of the mounting cylinder 56, a stepped portion 56a protruding inward in the radial direction is formed at a portion located above the female screw portion 58. The step portion 56a comes into contact with the upper end of the first dispensing cylinder 23 in a state where the cap member 5 is attached to the nozzle member 4. The weakened portion 28a is arranged inside the stepped portion 56a in the radial direction. As a result, when the cap member 5 is attached to the nozzle member 4, it becomes difficult for a force to be applied to the periphery of the weakened portion 28a. Therefore, unintentional breakage of the weakened portion 28a is suppressed.

The inner cylinder 57 extends downward from a portion of the top wall portion 55 located inside the second ejection cylinder 24 in the radial direction. The inner cylinder 57 has a shape in which the thickness in the radial direction decreases toward the bottom. The outer peripheral surface of the inner cylinder 57 is fitted to the inner peripheral surface at the upper end of the second ejection cylinder 24. The flange portion 29 of the second dispensing cylinder 24 is located slightly below the lower end of the inner cylinder 57. The inner cylinder 57 is inserted into the second ejection cylinder 24 to seal the opening.

Next, a method of refilling the refill container 1 into the present container 100 will be described.
The refill container 1 of the present embodiment can be refilled three times by a fixed amount with respect to the present container 100. Hereinafter, the first to third refilling operations will be described with reference to FIGS. 2 to 4.

[First refill]
First, the cap member 5 is removed from the refill container 1. The cap member 5 can be removed by rotating the cap member 5 relative to the nozzle member 4 in the loosening direction around the container shaft O. By removing the cap member 5, the opening at the upper end of the second ejection cylinder 24 is exposed.

After removing the cap member 5, as shown in FIG. 2, the refill container 1 is combined with the present container 100 held in an upright posture. Specifically, with the tip of the nozzle member 4 close to or inserted into the injection port 101 of the main container 100, the refill container 1 is gradually tilted so as to be in an inverted posture. As a result, the contents in the refill container 1 are poured out through the second ejection cylinder 24, so that the contents are injected into the present container 100 through the injection port portion 101.

After that, when the refill container 1 is in the inverted position, the upper cylinder portion 23A and the tip portion of the second ejection cylinder 24 protruding upward from the upper cylinder portion 23A are inserted into the injection port portion 101, and the mounting cylinder 21 The upper end portion is in contact with the tip surface 101a of the injection port portion 101. The pouring of the contents from the refill container 1 to the main container 100 is stopped at the position where the liquid level LS of the contents in the container main body 2 reaches the lower end opening 24a of the second pouring cylinder 24.

By the above operation, a part of the contents in the container main body 2 is refilled into the main container 100 through the second dispensing cylinder 24. As shown in FIG. 2, the content C1 between the liquid level position LS0 at the time of opening and the lower end opening 24a of the second dispensing cylinder 24 is refilled in the present container 100. In the present embodiment, the content C1 is an amount corresponding to 1/3 of the capacity of the container body 2.
After injecting the contents, the nozzle member 4 is pulled out from the injection port portion 101. By attaching the cap member 5 to the nozzle member 4, the refill container 1 can be sealed and stored until the next refill work.
With the above, the first refilling work is completed.

[Second refill]
In the second refilling operation, after the cap member 5 is removed, the second dispensing cylinder 24 is pulled out from the first dispensing cylinder 23 as shown in FIG. The second dispenser tube 24 before being pulled out is connected to the first dispenser tube 23 by a connecting portion 28 having a weakening portion 28a. For example, the weakened portion 28a can be broken by hooking a fingertip on the flange portion 29 of the second dispenser cylinder 24 and applying a force so as to tilt the second dispenser cylinder 24. By breaking the weakened portion 28a, the second dispenser cylinder 24 is separated from the first dispenser cylinder 23. By pulling out the second pouring cylinder 24, the upper end of the first pouring cylinder 23 opens toward the upper side (lower side in the inverted posture) and becomes the pouring outlet of the refill container 1. The second dispenser tube 24 may be removed immediately before use or may be removed at the end of the first refill. By storing the second dispensing cylinder 24 in a removed state, the second refilling operation can be carried out promptly.

After the second dispensing cylinder 24 is pulled out, the refilling container 1 is placed in an inverted position with the upper cylinder portion 23A close to or inserted into the injection port portion 101 of the main container 100 in the same manner as in the first refilling operation. Gradually tilt it. As a result, the contents in the refill container 1 are injected into the main container 100 through the first dispensing cylinder 23. The pouring of the contents from the refill container 1 to the main container 100 is stopped at the position where the liquid level LS of the contents in the container main body 2 reaches the lower end opening 23a of the first pouring cylinder 23.

In the second refilling operation, as shown in FIG. 3, the content C2 between the liquid level position LS1 at the end of the first refilling and the lower end opening 23a of the first dispensing cylinder 23 is refilled into the container 100. Be done. In the present embodiment, the content C2 is an amount corresponding to 1/3 of the capacity of the container body 2. After injecting the contents, the nozzle member 4 is pulled out from the injection port portion 101. By attaching the cap member 5 to the nozzle member 4, the refill container 1 can be sealed again and can be stored until the next refill work.
With the above, the second refilling work is completed.

[Third refill]
In the third refilling operation, as shown in FIG. 4, the nozzle member 4 is removed from the container body 2. By removing the nozzle member 4, the mouth portion 3 of the container body 2 is exposed and becomes the pouring outlet of the refill container 1.

After exposing the mouth portion 3, the refill container 1 is placed in an inverted position with the mouth portion 3 close to or inserted into the injection port portion 101 of the main container 100 in the same manner as in the first and second refill operations. Gradually tilt to. As a result, the contents in the refill container 1 are injected into the container 100 through the mouth portion 3. In the present embodiment, the mouth portion 3 is inserted into the injection port portion 101 of the main container 100 in a state where the refill container 1 is inverted. The refill container 1 in the inverted posture comes into contact with the tip surface 101a of the injection port 101 at the step 2a near the base end of the mouth 3.

In the present embodiment, the remaining amount of the contents at the start of the third refilling operation is an amount corresponding to 1/3 of the capacity of the container main body 2. Therefore, by the third refilling operation, the content C3, which is the total amount of the contents remaining in the refill container 1, is injected into the container 100. After injecting the contents, the mouth portion 3 is pulled out from the injection port portion 101.
With the above, the third refilling work is completed.

In the refill container 1 of the present embodiment, the nozzle member 4 has a configuration including a first dispensing cylinder 23 and a second dispensing cylinder 24, and the second dispensing cylinder 24 is removable. As a result, in the state where the second dispenser cylinder 24 is attached, the lower end opening 24a of the second dispenser cylinder 24 becomes an opening leading to the spout, and in the state where the second dispenser cylinder 24 is removed, the first 1 The lower end opening 23a of the pouring cylinder 23 is an opening leading to the pouring outlet. That is, the refill container 1 can change the upper end position of the opening communicating with the spout according to the relative position between the first pouring cylinder 23 and the second pouring cylinder 24.
With the above configuration, in the first refilling operation, a predetermined amount of contents can be dispensed using the second dispensing cylinder 24. Further, in the second refilling operation, the second dispensing cylinder 24 can be removed and a predetermined amount of contents can be dispensed using the first dispensing cylinder 23. Further, in the third refilling operation, the first dispensing cylinder 23 can be removed and a predetermined amount of contents can be dispensed through the mouth portion 3.
Therefore, according to the refill container 1, the refill operation can be performed a plurality of times for the main container 100 by a fixed amount.

(Modification example)
Next, a modification of the above embodiment will be described with reference to FIGS. 5 and 6.
The refill container 1A of the modified example has the same basic configuration as that of the first embodiment. Therefore, the same reference numerals are given to the same configurations, and the description thereof will be omitted as appropriate.

As shown in FIGS. 5 and 6, the refill container 1A of the modified example has a nozzle member 104 and a cap member 105.

The nozzle member 104 has a second dispenser tube 124. The second dispenser tube 124 is connected to the first dispenser tube 23 via the connecting portion 28. The second dispensing cylinder 124 has an upper cylinder portion 124A extending upward from the connection portion with the connection portion 28, and a lower cylinder portion 124B extending downward from the connection portion with the connection portion 28. The upper cylinder portion 124A is located above the upper end of the first ejection cylinder 23. On the inner peripheral surface of the upper cylinder portion 124A, a plurality of ribs 124C extending in the vertical direction are arranged at equal intervals in the circumferential direction. A gap having a predetermined width is provided between the ribs 124C adjacent to each other in the circumferential direction.

In addition to the same configuration as the cap member 5 of the first embodiment, the cap member 105 has a ridged cylindrical operation portion 150 projecting upward from the upper surface of the top wall portion 55. The operation unit 150 extends upward from the upper surface of the top wall portion 55, and has a cylindrical side wall portion 151 centered on the container shaft O, an upper top wall portion 152 that closes the upper end portion of the side wall portion 151, and a side wall portion 151. It has a plurality of ribs 153 provided on the outer peripheral surface of the above. The plurality of ribs 153 extend in the vertical direction and are arranged at equal intervals in the circumferential direction. A gap having a predetermined width is provided between the ribs 153 adjacent to each other in the circumferential direction.

In the refill container 1A of the modified example having the above configuration, the second dispenser tube 124 can be easily removed by using the operation unit 150 of the cap member 105 in the second refill operation in the above embodiment.

In the second refilling operation in the modified example, as shown in FIG. 6, after removing the cap member 105 from the nozzle member 104, the cap member 105 is turned upside down and the operation portion 150 is placed on the upper cylinder portion of the second ejection cylinder 124. Insert it into 124A from above. As a result, the rib 124C on the inner circumference of the upper cylinder portion 124A and the rib 153 on the outer circumference of the operation portion 150 mesh with each other. After that, by pinching and rotating the mounting cylinder 56 of the cap member 105, the weakened portion 28a of the connecting portion 28 can be broken. By breaking the weakened portion 28a, the second dispenser tube 124 is separated from the first dispenser tube 23. By pulling out the second dispenser cylinder 124, the upper end of the first dispenser cylinder 23 opens upward and becomes a pouring outlet of the refill container 1A.
By using the cap member 105 in this way, the second injection cylinder 124 can be easily removed with a small force.
Even in the modified example, the second dispenser tube 124 may be removed at the end of the first refilling. By storing the second dispensing cylinder 124 in a removed state, the second refilling operation can be carried out promptly.

(Second Embodiment)
Next, the refill container of the second embodiment will be described with reference to FIGS. 7 to 11. The same reference numerals are given to the same configurations as those of the first embodiment and the modified examples, and the description thereof will be omitted as appropriate.
As shown in FIG. 7, the refill container 10 has a container body 2, a nozzle member 204, and a cap member 205.

The nozzle member 204 has a mounting cylinder 21, a first dispensing cylinder 223, and a second dispensing cylinder 224.
The first dispensing cylinder 223 has an upper cylinder portion 223A extending upward from the upper surface of the top wall portion 22 of the mounting cylinder 21, and a lower cylinder portion 223B extending downward from the inner peripheral edge of the top wall portion 22. The upper cylinder portion 223A has a larger diameter than the lower cylinder portion 223B. The nozzle member 204 has a stepped portion 22a formed of the upper surface of the top wall portion 22 at the boundary portion between the upper cylinder portion 223A and the lower cylinder portion 223B.

On the outer peripheral surface of the upper cylinder portion 223A, a male screw portion into which the cap member 205 is screwed is provided. The inner peripheral surface of the upper cylinder portion 223A is provided with a concave groove 61 extending over the entire circumference at the upper end portion of the inner peripheral surface, and a plurality of vertical grooves 62 extending downward from the lower end of the concave groove 61. As shown in the partial cross-sectional view on the right side of FIG. 7, the vertical grooves 62 are provided at three locations in the circumferential direction of the inner peripheral surface at equal intervals of 120 °.

The lower cylinder portion 223B extends from the inner peripheral edge of the top wall portion 22 to the inside of the container body 2. The lower cylinder portion 223B has a lower end opening 223a that opens downward at the lower end. The lower end opening 223a opens inside the annular flange portion 224b provided on the inner peripheral surface of the lower end of the lower cylinder portion 223B. The annular flange portion 224b of the lower cylinder portion 223B suppresses deformation such as twisting in the first injection cylinder portion 223.

As shown in FIG. 8D, the lower cylinder portion 223B has a side surface opening 64 that penetrates the lower cylinder portion 223B in the radial direction as a part of the side surface. The side opening 64 is connected to the lower end opening 223a at the lower end of the lower cylinder portion 223B. The side opening portion 64 extends upward from the lower end of the lower cylinder portion 223B to the vicinity of the base end portion of the mouth portion 3. The circumferential center position of the side opening 64 coincides with the circumferential position of one vertical groove 62 of the upper cylinder portion 223A.

The second dispenser cylinder 224 has a cylinder portion 224A housed inside the first dispenser cylinder 223. The outer peripheral surface of the cylinder portion 224A is arranged in contact with the inner peripheral surface of the first ejection cylinder 223. More specifically, for example, one or a plurality of sealing protrusions (not shown) are provided on the outer peripheral surface of the tubular portion 224A. The seal protrusion is formed in an annular shape over the entire circumference of the outer peripheral surface of the tubular portion 224A. The seal protrusion contacts the inner peripheral surface of the first dispensing cylinder 223 and seals the contents. With this configuration, it is possible to reduce the resistance when rotating the second dispensing cylinder 224.

The cylinder portion 224A projects upward from the first ejection cylinder 223. In the portion of the cylinder portion 224A protruding from the first injection cylinder 223, a flange portion 71 projecting radially from the outer peripheral surface of the cylinder portion 224A, and a plurality of upper ribs 72 extending upward from the upper surface of the flange portion 71 are provided. Is provided. The second dispenser cylinder 224 has an outer cylinder 73 extending downward from the lower surface of the flange portion 71 and a plurality of lower ribs 74. The outer cylinder 73 and the lower rib 74 are arranged between the upper cylinder portion 223A and the cylinder portion 224A facing in the radial direction.

The flange portion 71 extends radially to a position overlapping the upper end surface of the upper cylinder portion 223A when viewed in the container axis O direction. The lower surface of the outer peripheral portion of the flange portion 71 and the upper end surface of the upper cylinder portion 223A face each other in the vertical direction.
The upper ribs 72 are arranged at three positions on the outer peripheral surface of the tubular portion 224A at equal intervals of 120 °. The upper rib 72 is connected to the outer peripheral surface of the tubular portion 224A at the inner end portion in the radial direction, and is connected to the upper surface of the flange portion 71 at the lower end portion.
The outer cylinder 73 is arranged radially inside the upper end portion of the upper cylinder portion 223A. The outer cylinder 73 has a fitting projection 73a extending over the entire circumference of the outer peripheral surface. The fitting protrusion 73a is undercut fitted into the concave groove 61 on the inner peripheral surface of the upper cylinder portion 223A.

The lower ribs 74 are arranged at three positions on the outer peripheral surface of the tubular portion 224A at equal intervals of 120 °. The three lower ribs 74 are arranged directly below the three upper ribs 72. The lower rib 74 extends downward from the lower surface of the flange portion 71 located between the outer cylinder 73 and the cylinder portion 224A. The radial inner end of the lower rib 74 is connected to the outer peripheral surface of the tubular portion 224A. The radial outer end of the lower rib 74 is partially connected to the inner peripheral surface of the outer cylinder 73.

The portion of the lower rib 74 below the outer cylinder 73 reaches the inner peripheral surface of the upper cylinder portion 223A. The outer end of the lower rib 74 can be inserted into the vertical groove 62. Since the lower ribs 74 and the flutes 62 are both arranged at intervals of 120 ° in the circumferential direction, the outer ends of the three lower ribs 74 are simultaneously accommodated in the three flutes 62.

The cylinder portion 224A extends from a position above the first dispensing cylinder 223 to the inside of the container main body 2. The tubular portion 224A has a lower end opening 224a that opens downward at the lower end. The lower end opening 224a opens inside the annular flange portion 224b provided on the inner peripheral surface of the lower end of the tubular portion 224A. Deformation such as twisting in the second injection cylinder 224 is suppressed by the annular flange portion 224b of the cylinder portion 224A. In the present embodiment, the annular flange portion 223b and the annular flange portion 224b are arranged adjacent to each other in the vertical direction. The lower end opening 223a and the lower end opening 224a have substantially the same diameter, and form continuous openings in the vertical direction.

As shown in FIGS. 8A to 8C, the tubular portion 224A has two side surface openings 75 and 76 that radially penetrate the tubular portion 224A on a part of the side surface. The side surface openings 75 and 76 are connected to the lower end opening 224a at the lower end of the tubular portion 224A.

The side opening 75 extends upward from the lower end of the tubular portion 224A. The upper end position of the side opening portion 75 is about half of the portion of the tubular portion 224A located in the container body 2. That is, the vertical length of the side opening 75 is about half the vertical length of the side opening 64 of the first dispensing cylinder 223.
The side opening portion 76 extends upward from the lower end of the tubular portion 224A to the vicinity of the base end portion of the mouth portion 3. The vertical length of the side opening 76 is equivalent to the vertical length of the side opening 64 of the first dispensing cylinder 223.

The circumferential center position of the side opening 75 coincides with the circumferential position of one lower rib 74. The circumferential center position of the side opening 76 coincides with one other circumferential position. Therefore, the side opening portions 75 and 76 are arranged so that their circumferential center positions are separated by 120 ° in the circumferential direction of the tubular portion 224A. At a location that coincides with the circumferential position of the remaining lower rib 74, the side opening 64 of the first dispenser 223 does not overlap with either the side opening 75 or the side opening 76 of the second dispenser 224. ..

The nozzle member 204 having the above configuration can rotate the second ejection cylinder 224 by hooking a finger on the upper rib 72 at the upper end portion. At this time, since the lower rib 74 is accommodated in the vertical groove 62 of the upper cylinder portion 223A every 120 °, the second dispensing cylinder 224 is positioned every 120 ° with respect to the first dispensing cylinder 223. Can be fixed.

By the above rotation operation, the relative positions of the side opening 64 of the first dispensing cylinder 223 and the side openings 75 and 76 of the second dispensing cylinder 224 can be switched. When the side surface of the portion of the tubular portion 224A shown in FIG. 8 (a) where the side surface openings 75 and 76 are not provided is arranged on the side surface opening 64 shown in FIG. 8 (d), the side surface opening 64 is closed. In this state, the opening in the container body 2 leading to the spout of the nozzle member 204 is only the lower end opening 223a.

When the side opening 75 shown in FIG. 8B is arranged in the side opening 64, the side opening 64 is in a state of opening to the side by the length of the side opening 75. At this time, the upper end position of the opening in the container body 2 leading to the spout is the upper end position 75a of the side opening 75.
When the side opening 76 shown in FIG. 8C is arranged in the side opening 64, the entire side opening 64 is opened. At this time, the upper end position of the opening in the container body 2 leading to the spout is the upper end position 64a of the side opening 64. When the side opening 76 is shorter than the side opening 64, the upper end position of the opening in the container body 2 leading to the spout is the upper end position 76a of the side opening 76.

The cap member 205 is detachably attached to the upper cylinder portion 223A in a state where the second ejection cylinder 224 is covered from above and from the outside in the radial direction. The cap member 205 may be configured to be mounted on the container body 2.

Next, a method of refilling the refill container 10 into the main container 100 will be described.
The refill container 10 of the present embodiment can be refilled three times by a fixed amount with respect to the main container 100. Hereinafter, the first to third refilling operations will be described with reference to FIGS. 9 to 11.

[First refill]
First, the cap member 205 is removed from the refill container 10.
After removing the cap member 205, as shown in FIG. 9, the refill container 10 is combined with the main container 100 held in an upright posture. Specifically, with the tip of the nozzle member 204 close to or inserted into the injection port 101 of the container 100, the refill container 10 is gradually tilted so as to be in an inverted posture. As a result, the contents in the refill container 10 are poured out through the second dispensing cylinder 224, so that the contents are injected into the container 100 through the injection port 101.

After that, when the refill container 10 is in the inverted position, the upper cylinder portion 223A and the tip portion of the second ejection cylinder 224 protruding upward from the upper cylinder portion 223A are inserted into the injection port portion 101, and the mounting cylinder 21 is inserted. The upper end portion is in contact with the tip surface 101a of the injection port portion 101. The pouring of the contents from the refill container 10 to the main container 100 is stopped at the position where the liquid level LS of the contents in the container main body 2 reaches the lower end opening 223a of the first pouring cylinder 223.

By the above operation, a part of the contents in the container main body 2 is refilled into the container 100 through the second dispensing cylinder 224. The content to be refilled at this time is an amount corresponding to 1/3 of the capacity of the container body 2.
After injecting the contents, the nozzle member 204 is pulled out from the injection port portion 101. By attaching the cap member 205 to the nozzle member 204, the refill container 10 can be sealed and stored until the next refill work.
With the above, the first refilling work is completed.

[Second refill]
In the second refilling operation, after the cap member 205 is removed, a finger is put on the upper rib 72 to rotate the second dispensing cylinder 224 relative to the first dispensing cylinder 223. As shown in FIG. 10, the rotation operation of the second dispensing cylinder 224 is stopped at the position where the side opening 75 of the second dispensing cylinder 224 is arranged in the side opening 64 of the first dispensing cylinder 223. do. In the present embodiment, since the lower rib 74 fits into the vertical groove 62 at the position where the side opening 64 and the side opening 75 coincide with each other, the side openings 64 and 75 can be easily aligned at the same position. Moreover, the matching state of the side opening can be easily maintained.
The rotation operation of the second dispensing cylinder 224 may be performed immediately before use, but may be rotated to a position used for the second refilling operation at the end of the first refilling. As a result, the second refill operation can be carried out promptly.

After rotating the second dispensing cylinder 224, the refilling container 10 is placed in an inverted position with the upper cylinder portion 223A close to or inserted into the injection port portion 101 of the main container 100 in the same manner as in the first refilling operation. Gradually tilt to become. As a result, the contents in the refill container 10 are injected into the main container 100 through the second dispensing cylinder 224. The pouring of the contents from the refill container 10 to the main container 100 is stopped at a position where the liquid level LS of the contents in the container main body 2 reaches the upper end position 75a of the side surface opening 75.

The content refilled in the main container 100 in the second refilling operation is an amount corresponding to 1/3 of the capacity of the container main body 2. By attaching the cap member 205 to the nozzle member 204 after injecting the contents, the refill container 10 can be sealed again and can be stored until the next refill work.
With the above, the second refilling work is completed.

[Third refill]
In the third refilling operation, after removing the cap member 205, a finger is put on the upper rib 72 to rotate the second dispensing cylinder 224 relative to the first dispensing cylinder 223. As shown in FIG. 11, the rotation operation of the second dispensing cylinder 224 is stopped at the position where the side opening 76 of the second dispensing cylinder 224 is arranged in the side opening 64 of the first dispensing cylinder 223. do. In the present embodiment, since the lower rib 74 fits into the vertical groove 62 at the position where the side opening 64 and the side opening 76 coincide with each other, the side openings 64 and 75 can be easily aligned at the same position. Moreover, the matching state of the side opening can be easily maintained.
The rotation operation of the second dispensing cylinder 224 may be rotated to the position used for the third refilling operation at the end of the second refilling operation. As a result, the third refill operation can be carried out promptly.

After rotating the second dispensing cylinder 224, the refilling container 10 is inserted in a state where the upper cylinder portion 223A is close to or inserted into the injection port portion 101 of the main container 100 in the same manner as in the first and second refilling operations. Gradually tilt it so that it is in an inverted position. As a result, the contents in the refill container 10 are injected into the main container 100 through the second dispensing cylinder 224. The pouring of the contents from the refill container 10 to the main container 100 is stopped at a position where the liquid level LS of the contents in the container body 2 reaches the upper end position 64a of the side opening 64. Since the upper end position 64a is a position that substantially reaches the mouth portion 3, substantially the entire amount of the contents in the container body 2 is moved to the container 100 by the third refill. After injecting the contents, the mouth portion 3 is pulled out from the injection port portion 101.
With the above, the third refilling work is completed.

In the refill container 10 of the present embodiment, the nozzle member 204 combines the first dispensing cylinder 223 having the side opening 64 with the second dispensing cylinder 224 having the two side openings 75 and 76. , The opening length of the side opening 64 can be changed. That is, the refill container 10 can change the upper end position of the opening communicating with the spout according to the relative position between the first pouring cylinder 223 and the second pouring cylinder 224.
With the above configuration, in the first refilling operation, a predetermined amount of contents can be dispensed only from the lower end opening 223a of the first dispensing cylinder 223. Further, in the second refilling operation, a predetermined amount of contents can be poured out through the side opening 75. Further, in the third refilling operation, a predetermined amount of contents can be poured out through the entire side opening 64.
Therefore, according to the refill container 10, the refill operation can be performed a plurality of times for the main container 100 by a fixed amount.

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

For example, in the first embodiment, by sequentially increasing the number of removable third dispenser cylinders and fourth dispenser cylinders inside the second dispenser cylinder 24, the number of times is four or more. Can be refilled. Further, in the second embodiment, by additionally forming the side opening portions 75 and 76 having different heights, the refilling can be performed four times or more.

Further, in the second embodiment, the side opening 76 may not be provided. Even in this case, the refilling can be performed for the third time by removing the nozzle member 204.

Further, in the first embodiment, the lower cylinder portion 23B of the first dispensing cylinder 23 may be refilled twice by not extending into the container main body 2. In the second embodiment, the number of refills may be two by adopting a configuration in which the side opening 75 is not provided.

1,1A, 10 ... Container, 2 ... Container body, 3 ... Mouth, 4,104,204 ... Nozzle member, 5,105,205 ... Cap member, 21 ... Mounting cylinder, 23,223 ... First injection cylinder , 24, 124, 224 ... Second dispenser cylinder, 28a ... Weakened portion, 64, 75, 76 ... Side opening, 64a, 75a, 76a ... Upper end position, 100 ... This container

Claims (3)

The main body of the container that houses the contents to be refilled in this container,
A nozzle member attached to the mouth of the container body and having a spout for pouring out the contents, and a nozzle member.
A cap member that opens and closes the spout, and
Equipped with
When the direction in which the nozzle member extends is the vertical direction,
The mouth portion of the container body is located at the upper end portion of the container body, and the cap member is located above the container body.
The nozzle member is
The mounting cylinder attached to the mouth and
A first dispensing cylinder extending from the upper end of the mounting cylinder into the container body,
A second dispenser that is arranged radially inside the first dispenser and projects upward from the upper end of the first dispenser.
Have,
The second dispenser is removably or rotatablely combined with the first dispenser.
The member composed of the first pouring cylinder and the second pouring cylinder has a spout of the nozzle member on the outside of the container body and an opening communicating with the spout on the inside of the container body. And
The nozzle member is a refill container, characterized in that the upper end position of the opening communicating with the spout can be changed according to the relative positions of the first pouring cylinder and the second pouring cylinder. The second dispenser is connected to the upper end of the first dispenser via a weakening portion, and is characterized in that it protrudes below the lower end of the first dispenser in the container body. The refill container according to claim 1. The first dispenser and the second dispenser each have side openings on the side surfaces located in the container body.
The side opening of the first dispensing cylinder and the side opening of the second dispensing cylinder communicate with each other according to the relative positions of the first dispensing cylinder and the second dispensing cylinder in the circumferential direction. The refill container according to claim 1, wherein the state and the state in which the side opening of the first dispenser is closed by the side surface of the second dispenser can be switched.

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