JP2000062788A - Double liquid mixing container - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a double liquid mixing container in which a spouting port is not erroneously pushed into the container and when mixed liquid is produced, it can be easily made only by pushing into the spouting port. SOLUTION: A double liquid mixing container 10 is comprised of a container main body 11 having a first port 12 and storing first liquid A; and a lower cap 13 installed at the first port 12 and having a lower seal 18 and a second port 14. An intermediate cap 15 having a third port 16 and an upper seal 19 is installed at the port 14 of the lower cap 13. A spouting port 20 is installed within the third port 16 of the intermediate cap 15 and a stopper 35 is arranged between the intermediate cap 15 and the spouting port 20. The stopper 35 is removed and the spouting port 20 is driven into the container to cause a breaking section 22 of the spouting port 20 to break the upper seal 19 and the lower seal 18 to be broken in sequence.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a two-liquid mixing container which can store a first liquid and a second liquid and can mix them immediately before use.

[0002]

2. Description of the Related Art Conventionally, a two-liquid mixing container is known as a hair dye container and various cleaning liquid containers, which contains a first liquid and a second liquid and mixes them just before use.

In such a two-liquid mixing container, the first liquid and the second liquid are partitioned by rubbing the containers together or fitting an inner stopper or the like, and the rubbing is opened immediately before use. Alternatively, the first liquid and the second liquid are mixed by removing the inner plug or the like.

[0004]

As described above, a two-liquid mixing container has been known in the past. However, in such a two-liquid mixing container, the container due to vibration during transportation, shock due to dropping, heat, etc. The first liquid and the second liquid may be mixed before use due to deformation or the like. Further, the first liquid or the second liquid or the mixed liquid may leak from the container during preparation or use of the mixed liquid.

The present invention has been made in consideration of such points, and the first liquid and the second liquid are mixed before use,
An object of the present invention is to provide a two-liquid mixing container capable of reliably preventing leakage to the outside without accidentally breaking a seal part that partitions each liquid.

[0006]

According to the present invention, there is provided a container main body having a first opening and containing a first liquid, a second opening and a lower seal attached to the first opening of the container main body. A lower cap for holding the second liquid in the second mouth, a middle cap attached to the second mouth of the lower cap, having a third mouth and an upper seal, and a third mouth of the middle cap. Between the middle cap and the spout, the spout has an opening that breaks the upper seal and the lower seal one after another when it is attached and is pushed into the middle cap at one end. A two-liquid mixing container, characterized in that it is provided with a stopper that is detachably interposed.

According to the present invention, the stopper is removed from between the middle cap and the spout. Next, by pushing the spout into the middle cap, the upper seal and the lower seal are sequentially broken by the broken portion of the spout, and the second liquid in the second opening of the lower cap enters the container body from the lower seal. The first liquid and the second liquid are mixed in the container body. The mixed liquid in the container body is discharged to the outside through a spout that penetrates the upper seal and the lower seal.

[0008]

BEST MODE FOR CARRYING OUT THE INVENTION Embodiments of the present invention will be described below with reference to the drawings.

1 to 6 are views showing an embodiment of a two-liquid mixing container according to the present invention.

As shown in FIGS. 1 to 6, a two-liquid mixing container 10 is attached to a container body 11 having a first mouth portion 12, a first mouth portion 12 of the container body 11, and a second mouth portion. 1
4 and a lower seal 18, and a middle cap 15 attached to the second opening 14 of the lower cap 13 and having a third opening 16 and an upper seal 19.

Of these, the first liquid A is stored in the container body 11, and the second liquid B is stored in the second opening 14 of the lower cap 13.
Is stored.

A pouring port 20 is mounted in the third opening 16 of the middle cap 15. The spout 20 has a cylindrical side wall 21, a fractured portion 22 that is opened at the lower end of the side wall 21, and an opening 23 is formed at the upper end of the side wall 21.

Furthermore, the middle cap 15 and the spout 20
A stopper 35 is removably interposed between and.
A cap 38 is attached to the opening 23 of the spout 20.

Next, the configuration of each part will be described in detail. Figure 1 (a)
As shown in (b) and FIG. 2, the container body 11 has a scale 11a on the outer surface thereof, and an external thread 12a on the outer surface of the first mouth portion 12
Is provided. Here, FIG. 1A is a side sectional view of the two-liquid mixing container in the stop position before use.
(B) is an enlarged view of the middle cap portion.

The lower cap 13 is the first of the container body 11.
It has an internal thread 13a that engages with the external thread 12a of the mouth portion 12. Further, the lower cap 13 is the first cap of the container body 11.
It has a ratchet 13b that engages with a ratchet 12b provided on the first mouth 12 to prevent the lower cap 13 from loosening when screwed into the mouth 12.

The lower seal 18 of the lower cap 13 is
It is formed integrally with the lower cap 13 and is located at the lower end of the second opening 14. The lower seal 18 has a flat plate shape with a thickness of about 1 mm and has a circular thin portion (thickness of 0.15 to 0.15 mm).
0.25 mm) 18a. Furthermore, a screw 14a is provided on the outer surface of the second opening 14 of the lower cap 13.

The middle cap 15 has a female screw 15a that engages with the male screw 14a of the second opening 14 of the lower cap 13. Further, the middle cap 15 has a ratchet 15b that engages with a ratchet 14b provided in the second opening 14 to prevent the middle cap 15 from loosening when screwed into the second opening 14 of the lower cap 13. ing.

The upper seal 19 of the middle cap 15 is integrally formed with the middle cap 15 and is located at the lower end of the third opening 16. The upper seal 19 has a substantially flat shape with a thickness of about 1 mm and a circular thin portion (thickness of 0.15 to 0.25 mm) 19 having substantially the same shape and dimensions as the lower seal 18.
a.

An annular projection 16a is provided on the inner surface of the third opening 16 of the middle cap 15, and an annular recess 16 is provided on the outer surface thereof.
b is provided (FIG. 1 (b)).

A packing made of foamed polyethylene or rubber may be provided at the sealed portion of the container body 11 and the lower cap 13 and the sealed portion of the lower cap 13 and the middle cap 15.

The stopper 35 is detachably provided between the middle cap 15 and the spout 20, and is shown in FIG.
Has a contact portion 35a that abuts the annular recess 16b of the third mouth portion 16 of the middle cap 15 and a contact portion 35b that abuts a flange 29 and an annular protrusion 27a of the spout 20 described later. (Fig. 5 (a)
(B)).

FIG. 5A is a plan view of the stopper 35, and FIG. 5B is a side sectional view of the stopper 35.

Next, the spout 20 will be described in detail with reference to FIGS. 3 and 4. Here, FIG. 3A is a side sectional view of the spout 20, FIG. 3B is a bottom view thereof, and FIG. 4 is a perspective view thereof. As shown in FIGS. 3 and 4, the spout 2
The cylindrical side wall 21 of 0 is in close contact with the annular projection 16a of the third opening 16 of the middle cap 15 which is also cylindrical. Further, cross-shaped ribs 24 that reinforce the ruptured portion 22 are provided in the ruptured portion 22 of the spout 20, and when the spout 20 is pushed into the middle cap 15, the ruptured portion 22
The thin portion 19a of the upper seal 19 and the lower seal 1
8 and the thin-walled portion 18a are sequentially broken (broken position shown in FIG. 2).

The side wall 21 of the spout 20 divides the inside of the second mouth portion 14 of the lower cap 13 into the spout 20 inside and the spout 20 outside at the break position shown in FIG. In this case, the side wall 21 has the spout 2 inside the second opening 14.
First communication port 2 for communicating the inside of 0 with the outside of the spout 20
5 and a second communication port 26 are provided.

The first communication port 25 is provided below the annular projection 16a of the third port 16 at the stop position shown in FIG.

At the breaking position shown in FIG.
The first communication port 25 of the side wall 21 is located substantially at the center of the thin portion 18a of the lower seal 18, and the second communication port 26 is formed.
The upper end portion and the lower surface portion of the upper seal 19 are substantially at the same position, and a partition plate 30 for partitioning the inside of the spout 20 is provided in the side wall 21 of the spout 20 near the upper end of the first communication port 25. ing.

The spout 20 has a flange 29 on the opening 23 side of the side wall 21, and the flange 2 of the side wall 21.
A male screw 28 is provided closer to the opening 23 than 9 is. Further, annular protrusions 27a and 27b are provided on the side wall 21 closer to the fracture portion 22 than the flange 29.

The annular projection 27a of the side wall 21 is abutting part 35 of the stopper 35 at the stop position of the spout 20.
b and the spout 2 in close contact with the flange 29 of the spout 20
0 is a portion that prevents the zero from coming off from the middle cap 15, and the annular projection 27b of the side wall 21 is fitted to the annular projection 16a on the inner surface of the third mouth portion 16 of the middle cap 15 at the breaking position of the spout 20 and then poured. This is a part that functions to prevent the outlet 20 from falling off and to perform a sealing function.

The external thread 28 of the side wall 21 is used for the cap 3
8 is a portion to which the cylindrical portion 39 is fitted. That is, the cap 38 has a cylindrical portion 39 provided with an internal thread 39a and having a discharge port 43 at the upper end, and an opening / closing lid 40 which is connected to the cylindrical portion 39 via a hinge 41 to open and close the discharge port 43. The screw 28 and the female screw 39a of the cylindrical portion 39 are engaged with each other.

The cap 38 may be a stopper type cap or an inner plug having a discharge port instead of the screw type cap.

Next, the material of each component will be described.

The container body 11 is made of low density polyethylene (LD
PE) or linear low density polyethylene (LLDP
It is made of E) and is relatively soft by blow molding. Also, the lower cap 13 and the middle cap 1
Each of 5 is made of high density polyethylene (HDPE). Further, the stopper 35 is made of polypropylene (PP). The spout 20 is made of PP containing filler and is relatively hard, and the filler in the spout 20 is contained in PP in an amount of 20 to 50% by weight.

When PP is contained in the PP in an amount of 20% by weight or less, the hardness of the spout 20 cannot be maintained sufficiently, and when PP is contained in the PP in an amount of 50% by weight or more, the moldability is insufficient. .

Next, the operation of this embodiment having such a configuration will be described.

First, the first liquid A is stored in the container body 11, and then the lower cap 1 is attached to the first opening 12 of the container body 11.
3 is attached.

In this case, the female screw 13a of the lower cap 13
Engages with the male screw 12a of the first mouth portion 12 and the lower cap 13 is further screwed into the first mouth portion 12
Ratchet 12b and lower cap 13 ratchet 13
The lower cap 13 is prevented from loosening by engaging with b.

Next, the second liquid B is stored in the second opening 14 of the lower cap 13, and then the second opening 1 of the lower cap 13 is placed.
The middle cap 15 is attached to the No. 4.

In this case, the female screw 15a of the middle cap 15
Engages with the male screw 14a of the second mouth portion 14 and further screws in the middle cap 15 so that the second mouth portion 1
4 ratchet 14b and middle cap 15 ratchet 1
5b engages with each other to prevent the middle cap 15 from loosening.

Next, the side wall 21 of the spout 20 is attached to the third opening 16 of the middle cap 15, and then the middle cap 15
The stopper 35 is interposed between the spout 20 and the spout 20. In this case, the annular recess 16b of the middle cap 15, the flange 29 of the spout 20 and the annular projection 27a come into contact with the abutting portions 35a and 35b of the stopper 35, respectively. It is designed not to be pushed to the 15 side.

Next, the cylindrical portion 39 of the cap 38 is attached to the spout 20. In this case, the male screw 28 of the spout 20
The female screw 39a of the cylindrical portion 39 is engaged with. In this way, the two-liquid mixing container 10 having the spout 20 at the stopper position is obtained (FIG. 1).

Immediately before use, the flapper 35c of the stopper 35 is pulled to pull out the stopper 35 from between the middle cap 15 and the spout 20. Next, cap the spout 20
It is pressed from the 8 side and the spout 20 is pushed into the middle cap 15.

In this case, the broken portion 22 of the spout 20 is the thin portion 19a of the upper seal 19 formed in the middle cap 15.
And the thin portion 18a of the lower seal 18 formed on the lower cap 13 is broken. At this time, spout 2
No. 0 is at the break position shown in FIG. 2 because the annular protrusion 27b fits over the annular protrusion 16a of the third mouth portion 16 of the middle cap 15.

During this time, the side wall 21 of the spout 20 contacts the annular projection 16a on the inner surface of the third opening 16 of the middle cap 15,
The broken portion 22 of the spout 20 is the thin portion 1 of the upper seal 19.
When the 9a is broken, the first communication port 25 of the spout 20 is located below the annular projection 16a on the inner surface of the third mouth portion 16 of the middle cap 15, so that, for example, the two-liquid mixing container 10 is arranged laterally. Even if the upper seal 19 and the lower seal 18 are ruptured, the first liquid A or the second liquid B may come into contact with the side wall 21 and the third opening 1.
There is no leakage from between 6 and. In this case, spout 2
The annular protrusion 27b of 0 is the annular protrusion 16 on the inner surface of the third opening 16.
By fitting with a, it prevents the spout 20 from coming off during use and fulfills a sufficient sealing function.

Further, since the partition plate 30 is provided in the side wall 21 of the spout 20, the second liquid B stored in the second opening 14 of the lower cap 13 when the spout 20 is pushed into the middle cap 15. Does not flow upward from the partition plate 30 and therefore does not leak outward from the second communication port 26.

As shown in FIG. 2, when the spout 20 is in the breaking position, the second liquid B stored in the second opening 14 of the lower cap 13 is discharged from the first communication port 25 into the spout 20. The liquid enters and falls from the breaking portion 22 into the container body 11 and mixes with the first liquid A in the container body 11.

When using, the opening / closing lid 4 of the cap 38 is used.
Lift 0 to open the outlet 43. Next, the two-liquid mixing container 10 is tilted and repeatedly pulled. At this time, the mixed liquid A + B in the container body 11 enters the spout 20 through the breakage portion 22.

At this time, since the partition plate 30 is provided in the spout 20, the mixed liquid A + B then enters the second communicating portion 14 of the lower cap 13 from the first communicating opening 25 and further communicates with the second communicating portion. It enters above the partition plate 30 in the spout 20 from the mouth 26.

Next, the mixed liquid A + B in the spout 20 is discharged outward from the discharge port 43 of the cap 38 attached to the spout 20. Since the container body 11 is flexible as described above, by pressing the side surface of the container body 11, the mixed liquid A + B in the container body 11 can be smoothly moved from the discharge port 43 of the cap 38 to the outside. Can be discharged to.

Since the second communication port 26 of the spout 20 is located at substantially the same position as the upper seal 19 of the middle cap 15, the residual liquid amount of the mixed liquids A + B can be reduced.

As described above, according to the present embodiment, the stopper 35 is removed at the time of use, and the spout 20 is simply pushed into the middle cap 15 side. By breaking the seal 18, the mixed liquid A + B composed of the first liquid A and the second liquid B can be obtained in the container. Further, during the mixing action of the first liquid A and the second liquid B, the first liquid A and the second liquid B do not leak outward.

In the above embodiment, the lower seal 1
8 and the upper seal 19 are formed integrally with the lower cap 13 and the middle cap 15, respectively,
Not limited to this, the lower seal 18 and the upper seal 19 may be formed of a single layer or a multilayer film including an aluminum foil or the like.

Next, a modification of the spout 20 will be described with reference to FIG. As shown in FIG. 6, the side wall 21 of the spout 20 is broken below the flange 29, and the cross-shaped rib 24 extends below the broken portion of the side wall 21. A cylindrical portion 31 is provided on the tip side of the cross rib 24.
The break portion 22 is formed by one end portion.

In the spout 20 shown in FIG. 6, the same parts as those of the spout shown in FIG. 4 are designated by the same reference numerals, and detailed description thereof will be omitted.

[0054]

As described above, according to the present invention, the spout is not accidentally pushed, and the first liquid and the second liquid are not mixed before use. Further, the first liquid and the second liquid can be easily mixed simply by pushing the spout into the middle cap, and the first liquid or the second liquid is not leaked to the outside during the mixing. Further, the residual liquid amount of the mixed liquid after use can be reduced.

[Brief description of drawings]

FIG. 1 is a side sectional view showing a two-liquid mixing container in a stop position according to the present invention.

FIG. 2 is a side sectional view showing a two-liquid mixing container in a breaking position according to the present invention.

FIG. 3 is a view showing a spout of a two-liquid mixing container.

FIG. 4 is a perspective view of a spout.

FIG. 5 is a view showing a stopper.

FIG. 6 is a view showing a modified example of the spout.

[Explanation of symbols]

10 Two-component mixing container 11 container body 12 First mouth 13 Lower cap 14 Second mouth 15 Medium cap 16 Third mouth 18 lower seal 19 upper seal 20 outlet 21 Side wall 22 Break 23 opening 25 1st communication port 26 Second communication port 30 dividers 38 Cap

   ─────────────────────────────────────────────────── ─── Continued front page    (72) Inventor Hisashi Aizawa             1-1-1, Ichigaya-Kagacho, Shinjuku-ku, Tokyo             Dai Nippon Printing Co., Ltd. (72) Inventor Jun Yoshikawa             2-1-1 Nakajima, Kokurakita-ku, Kitakyushu City, Fukuoka Prefecture             No. Totoki Equipment Co., Ltd. F-term (reference) 3E062 AA09 AB01 AC02 EA02 EB08                       EC05 ED02 KA04 KB16 KB17

Claims (10)

[Claims] 1. A container body having a first mouth portion for accommodating a first liquid; a container body attached to the first mouth portion of the container body; having a second mouth portion and a lower seal; A lower cap that stores the second liquid, a second cap of the lower cap, a middle cap having a third mouth and an upper seal, and a third cap of the middle cap and a middle end When it was pushed into the cap, it had an open rupture part that sequentially ruptured the upper seal and the lower seal, and was removably interposed between the spout with the other end open and the middle cap and spout. A two-liquid mixing container comprising a stopper. 2. The two-liquid mixing container according to claim 1, wherein the spout has a cylindrical side wall which is in close contact with the third opening of the middle cap. 3. The side wall of the pouring opening divides the inside of the second opening of the lower cap into the inside of the pouring opening and the outside of the pouring opening at the breaking position of the upper seal and the lower seal. Liquid mixing container. 4. The side wall of the spout has a first communication port that communicates between the inside of the spout and the outside of the spout in the second port of the lower cap at the breaking position of the upper seal and the lower seal. The two-liquid mixing container according to claim 3. 5. The side wall of the spout has a first communication port and a second communication port which communicate with the inside of the spout and the outside of the spout in the second opening of the lower cap at the breaking position of the upper seal and the lower seal. The two-liquid mixing container according to claim 3, wherein a partition plate is provided inside the spout and between the first communication port and the second communication port. 6. The two-liquid mixing container according to claim 1, wherein a cap having an opening / closing lid that is opened and closed by a hinge is attached to the other end opening of the spout. 7. The two-component mixing container according to claim 1, wherein the container body is formed by blow molding. 8. The two-component mixing container according to claim 7, wherein the container body is low-density polyethylene or linear low-density polyethylene. 9. The two-component mixing container according to claim 1, wherein the lower seal and the upper seal are integrally formed with the lower cap and the middle cap, respectively. 10. The two-component mixing container according to claim 1, wherein each of the lower seal and the upper seal has a flat plate shape and a circular thin portion.