JP2023111546A - Two-agent mixing container - Google Patents

Abstract

To provide a two-agent mixing container in which a partition for separating two agents can be removed with a simple operation and the number of parts can be reduced.SOLUTION: A two-agent mixing container comprises an upper container 1 for forming a first storage space M1, a lower container 2 for forming a second storage space M2, and an inside plug 3 for mutually partitioning the first storage space M1 and the second storage space M2, and a content stored in the first storage space M1 and a content stored in the second storage space M2 are mixed through a communication opening H formed at the inside plug 3 by the relative rotation of the upper container 1 and the lower container 2. The inside plug 3 has an inside plug body 3a and a partition wall 3c which is provided at the top of the inside plug body 3a via a thin wall part 3b in a breakable manner for forming the communication opening H by breaking itself. Between the upper container 1 and the inside plug body 3a, a slide mechanism 8 for breaking the partition wall 3c and sliding the inside plug body 3a toward a bottom part of the lower container 2 according to the relative rotation of the upper container 1 and the lower container 2.SELECTED DRAWING: Figure 1

Description

TECHNICAL FIELD The present invention relates to a two-agent mixing container that can hold two types of contents in a separated state until the start of use, and can be used by mixing the two at the start of use.

This type of two-agent mixing container includes a bottomed cylindrical first container containing the first agent as shown in Patent Document 1, and a second container having a spout at the upper end and containing the second agent. It is known to have a container, a plug having a plug piece that seals the opening below the second container, and a connecting member that tightly connects the first container and the second container so as to communicate with each other. . In this two-agent mixing container, the second container is downwardly displaced with respect to the first container, whereby the connecting member pushes up the plug piece of the stopper, thereby opening the opening of the second container and opening the first container. It is configured to provide communication between the container and the second container.

JP-A-2009-83879

In conventional two-agent mixing containers, the above-described stopper is often used as a partition for separating the two agents. The problem was that the number of

Accordingly, an object of the present invention is to provide a two-agent mixing container having a simplified structure in which a partition for separating the two agents can be removed by a simple operation and the number of parts can be reduced. do.

The two-agent mixing container of the present invention, which has been developed to achieve the above object, comprises an upper container forming a first accommodation space, a lower portion of the upper container rotatably connected and held, and a second container inside the upper container. a lower container forming a housing space; and an inner plug separating the first housing space and the second housing space from each other; A two-agent mixing container for mixing the contents stored in the first storage space and the contents stored in the second storage space through the communication opening, wherein The plug is non-rotatably and slidably held by the lower container and is slidably held while maintaining a sealed state with the inner peripheral wall of the upper container; and a thin portion at the top of the intermediate plug body. and a partition wall that is breakable through the partition wall and forms a communication opening that connects the first accommodation space and the second accommodation space by breaking the partition wall, and between the upper container and the inner plug main body. and a slide mechanism for breaking the partition wall and sliding the inner plug body toward the bottom of the lower container as the upper container and the lower container rotate relative to each other.

In the two-agent mixing container of the present invention, the slide mechanism comprises one or more projections provided on either the upper container or the inner plug main body, and the upper container or the inner plug. It is provided on either one of the main bodies, and according to the relative rotation of the upper container and the lower container, the inclined end is pressed against the tip of the projecting portion to push the inner plug main body to the bottom of the lower container. It preferably consists of one or more inclined tongues that slide towards.

Further, in the two-agent mixing container of the present invention, the projecting portion has a tip portion that abuts on the base end surface of the inclined portion in the initial posture before sliding of the inner plug main body, and the inclined portion has the tip portion. It is preferable to have a tip portion that abuts on the base end portion of the projecting portion in the initial posture before the inner plug main body is slid.

Further, in the two-agent mixing container of the present invention, it is preferable that the partition wall is non-rotatably fitted and held in the upper container, and has a locking portion that is held in the upper container when the partition wall is broken. .

Further, in the two-agent mixing container of the present invention, the upper container is filled with a mixture obtained by mixing the contents accommodated in the first accommodation space and the contents accommodated in the second accommodation space. The lower container may have an elastically deformable bottom wall portion of the lower container, and may have a pressing portion for pouring out the mixture through the pouring nozzle by its pressing action. preferable.

Moreover, in the two-agent mixing container of the present invention, it is preferable that the upper container has a cap that is detachably attached to the upper container and seals and holds the pouring nozzle.

Moreover, in the two-agent mixing container of the present invention, it is preferable to have an annular concave portion forming a pooling portion of the mixture between the outer edge portion of the top portion of the inner plug body and the upper container.

According to the present invention, the two-agent mixing container is composed of an upper container forming the first accommodation space, a lower container forming the second accommodation space, and the first accommodation space and the second accommodation space. It can be formed by three members, including the inner plug that partitions the space between them, so that the number of components can be reduced and the structure can be simplified.

Further, according to the present invention, a partition wall forming a communication opening connecting the first accommodation space and the second accommodation space is provided at the top of the inner plug via a thin portion. Only by relatively rotating the upper container and the lower container, the sliding mechanism provided between the upper container and the inner plug body breaks the thin portion to easily open the communication opening. can.

Further, since the partition wall is non-rotatably fitted and held by the upper container by the engagement portion, the breakage of the thin-walled portion causes the partition wall to be separated from the inner plug main body and held by the upper container. Therefore, the communication (flow path) between the first accommodation space and the second accommodation space is not obstructed due to the separation of the partition wall.

Further, according to the present invention, the slide mechanism comprises one or more projections provided on the inner plug body or the upper container, and one or more protrusions provided on the other of the inner plug body or the upper container. By comprising two or more slanted tongues, the tip of the projecting portion is pressed against the slanted ends of the slanted tongues and moved in accordance with the relative rotation of the upper container and the lower container. , the inner plug body can be easily slid toward the bottom of the lower container.

BRIEF DESCRIPTION OF THE DRAWINGS It is the figure (cross section display) which showed typically embodiment of the two-agent mixing container according to this invention. FIG. 2 is a cross-sectional view of the two-agent mixing container of FIG. 1 taken along line AA. 1. It is sectional drawing which showed the state after the start of use (after opening) of the two-agent mixing container of FIG. It is sectional drawing which showed the usage condition of a two-agent mixing container.

Hereinafter, the present invention will be specifically described based on the drawings.
FIG. 1 is a diagram (cross-sectional view) schematically showing an embodiment of a two-agent mixing container according to the present invention, and FIG. 2 is a cross-sectional view of the two-agent mixing container in FIG. 1 taken along the line AA. FIG. 3 is a cross-sectional view showing the state after starting to use the two-agent mixed solution of FIG. .

A two-agent mixing container is constructed using a synthetic resin material such as polyethylene or polypropylene, and holds the contents of two agents such as cosmetics, drugs, and chemicals separately until the start of use. In addition, various contents such as liquid, viscous, powdery and granular contents to be used by mixing the two agents at the start of use can be accommodated.

Reference numeral 1 in FIGS. 1 to 4 denotes an upper container forming a first housing space M1, and 2 is rotatably connected and held to the lower portion of the upper container 1, and a lower housing forming a second housing space M2 inside thereof. The container 3 is an inner plug that separates the first accommodation space M1 and the second accommodation space M2 from each other.

The upper container 1 is composed of a cylindrical upper container body 1a with an open bottom and a small-diameter cylinder 1b integrally connected to the upper part of the upper container body 1a and having a smaller diameter than the upper container body 1a. can be applied.
The small-diameter cylindrical body 1b has a threaded portion 4 on its outer peripheral wall, and a pouring nozzle 5 for pouring out the mixed contents is provided at the top.

The lower container 2 is composed of a cylindrical lower container body 2a with an open top and a wall 2b provided at the bottom of the lower container body 2a and forming the bottom wall of the lower container 2. can do.

The wall 2b has, at its central portion, a pressing portion 7 which can be elastically deformed by pressing with fingers, and for pouring out the mixture in the container through the pouring nozzle 5 by pressing accompanied by the elastic deformation. The lower container 2 has a skirt 2e integrally connected to the lower end of the lower container main body 2a so as to surround the pressing portion 7 so that the two-agent mixing container can be held in an upright posture. When the mixing container is placed in an upright posture, the bottom (tip) of the pressing portion 7 is set to a height such that it does not protrude from the lower end of the skirt 2e.

Further, the upper container 1 and the lower container 2 are fitted with an annular rib 1c provided at the lower end portion of the outer peripheral wall of the upper container 1 and an annular rib 2c provided at the upper portion of the inner peripheral wall of the lower container 2 by undercutting or the like. By fitting with the means, both are prevented from coming off, and relative rotation around the container axis O is enabled.

The inner plug 3 includes a cylindrical inner plug main body 3a provided along the inner peripheral wall from the upper container body 1a of the upper container 1 to the lower container main body 2a of the lower container 2, and a top portion of the inner plug main body 3a. and a partition wall 3c which is provided so as to be breakable through the thin portion 3b, and which is broken to form a communication opening H (see FIG. 3) connecting the first accommodation space M1 and the second accommodation space M2. can be applied.

The outer peripheral wall of the inner plug 3 (the upper part of the inner plug main body 3a) and the inner peripheral wall of the upper container 1 are in a state of being sealed by one or more annular ribs 1d provided on the inner peripheral wall of the upper container main body 1a, Prevents leakage to the outside before starting use (before opening the cap).

The inner plug main body 3a has one or more vertical ribs 3a1 on its lower outer peripheral wall, and the vertical ribs 3a1 are provided along the container axis O on the inner peripheral wall of the lower container body 2a. Rotation of the inner plug 3 with respect to the lower container 2 is prevented by fitting it into the longitudinal groove 2a1 (rotation prevention). Therefore, as will be described later, when the lower container 2 is rotated with respect to the upper container 1, the inner plug main body 3a can be rotated integrally with the lower container 2, and the inner plug main body 3a can be moved along the longitudinal groove 2a1. can be slid downward. In this embodiment, the lower container main body 2a is provided with the vertical groove 2a1, but by providing two vertical ribs and inserting the vertical rib 3a1 between the vertical ribs, the inner plug 3 can be rotated with respect to the lower container 2. may be prevented.

Reference numeral 8 in FIGS. 1 to 4 denotes a slide mechanism provided between the upper container body 1a and the inner plug body 3a of the upper container 1. As shown in FIG. As shown in the developed view of FIG. 1, the slide mechanism 8 is suspended from one or more protrusions 8a provided on the outer peripheral wall of the inner plug main body 3a and the lower end of the upper container main body 1a. As the container 1 and the lower container 2 rotate relative to each other, the tip portion 8a1 of the protruding portion 8a is pressed against the inclined end 8b, and the inner plug main body moves as the tip portion 8a1 moves along the inclined end 8b. It consists of an inclined tongue 8c that slides 3a towards the bottom of the lower container 2. As shown in FIG.

The sliding mechanism 8 is not limited to the one shown in the drawings, and one or more inclined tongues 8c are provided on the outer peripheral wall of the inner plug main body 3a, and one or more inclined tongues 8c are provided on the lower end of the upper container main body 1a. The projecting portion 8a may be suspended and held, or various well-known slide mechanisms may be used.

The protruding portion 8a has a tip portion 8a1 that abuts on the base end surface of the inclined tongue piece 8c in the initial posture before sliding of the inner plug body 3a. It has a tip portion 8b1 that abuts on the base end portion of the protruding portion 8a in the initial posture before the plug body 3a slides, so that the inner plug body 3a can be positioned relative to the upper container 1 when the two-agent mixing container is assembled. making it easy. (See Figure 1).

Reference numeral 9 in FIGS. 1 to 4 denotes four vertical ribs provided on the inner peripheral walls of the upper container body 1a and the small-diameter cylindrical body 1b at intervals of, for example, 90°, and 10 is a partition wall 3c. It is a cylindrical locking portion provided on the upper surface of the.

Four vertical ribs 10a are provided on the outer peripheral wall of the engaging portion 10 at intervals of, for example, 90 degrees so as to abut on the vertical ribs 9 to disable the rotation of the partition wall 3c. The engaging portion 10 is in contact with the vertical rib 9 via a projection 9a provided at the tip thereof. The longitudinal rib 10a hits and stops the rotation, the thin portion 3b is broken, and the partition wall 3c is torn off. As described above, the locking portion 10 of the partition wall 3c is fitted and held by the vertical rib 9, so even if the thin portion 3b is broken and torn off, the partition wall 3c falls off toward the second accommodation space M2. I have nothing to do. Although four vertical ribs 9 and four vertical ribs 10a are provided in this embodiment, the number of vertical ribs 9 and 10a is not limited to four.

Further, reference numeral 11 in FIGS. 1 to 4 denotes an annular recess that is provided between the top outer edge of the inner plug main body 3a and the inner peripheral wall of the upper container 1 (upper container main body 1a) and forms a reservoir for the mixture. be. By providing the recess 11 between the outer edge of the top of the inner plug body 3a and the upper container 1 (upper container body 1a), the recess 11 serves as a reservoir for the contents, and the mixture (contents) remains. Even if the amount is reduced, the mixture can be quickly poured out from the recess 11 . Alternatively, the structure may be such that the recess 11 is provided only on the outer edge of the top portion of the inner plug main body 3a.

Further, reference numeral 12 in FIGS. 1 to 4 denotes a cap detachably attached to the upper container 1. As shown in FIG. The cap 12 has a threaded portion 12a that is screwed onto the threaded portion 4 provided on the small-diameter cylindrical portion 1b of the upper container 1. As shown in FIG. The cap 12 has a convex portion 12c on the lower surface of the top wall 12b, and by fitting the convex portion 12c into the pouring nozzle 5, the pouring nozzle 5 can be sealed and held. Note that the cap 12 is not limited to one having a threaded portion 12a as shown in the drawing, and various caps such as a cap that can be detachably fitted with an undercut can be used.

To open the two-agent mixing container according to the present invention, the upper container 1 and the lower container 2 need only be rotated about the container axis O relative to each other. By relative rotation of the upper container 1 and the lower container 2, the projecting portion 8a of the slide mechanism 8 slides along the inclined end 8b of the inclined tongue piece 8c while pressing the tip portion 8a1 against the inclined end 8b. 3, the projecting portion 8a moves to a position where the tip portion 8a1 and the tip portion 8b1 of the inclined end 8b are in contact with each other, so that the inner plug main body 3a is positioned at the height of the projecting portion 8a. It will drop by a minute.

At this time, since the locking portion 10 does not rotate due to the contact between the vertical rib 9 and the vertical rib 10a, as shown in FIG. It is torn off to form a communication opening H that connects the first accommodation space M1 and the second accommodation space M2.

When the communication opening H is formed, the flow path F is secured between the partition wall 3c and the contents in the first accommodation space M1 pass through the flow path F to the communication opening H. drop into the second accommodation space M2, and the contents accommodated in the respective accommodation spaces M1 and M2 are mixed. The torn off partition wall 3c is fitted and held by the longitudinal rib 9 of the upper container 1 through the engaging portion 10, and does not fall off toward the second accommodating portion M2.

The inner peripheral wall of the lower container main body 2a of the lower container 2 is provided with a flange portion 2d connected to the vertical groove 2a1. In order to prevent disengagement between the rib 1c and the annular rib 2c of the lower container 2 and to prevent the tip 8b1 of the inclined tongue piece 8c and the tip 8a1 of the projecting portion 8a from being crushed, the gap between the rib 1c and the flange 2d is It was designed to have a gap in the

As shown in FIG. 4, the mixture in the container can be poured out by turning the container upside down so that the pouring nozzle 5 faces downward and pressing the pressing part 7 with fingers.

INDUSTRIAL APPLICABILITY The two-agent mixing container of the present invention can be widely used as a container for liquid, viscous, powdery, and other cosmetics, chemicals, pharmaceuticals, and the like.

1 Upper container 1a Upper container main body 1b Small-diameter cylindrical portion 1c Annular rib 1d Annular rib 2 Lower container 2a Lower container main body 2a1 Vertical groove 2b Wall 2c Annular rib 2d Flange 2e Skirt 3 Intermediate plug 3a Intermediate plug main body 3a1 Vertical rib 3b Thin Part 3c Partition wall 4 Threaded part 5 Dispensing nozzle 6 Fitting means 7 Pressing part 8 Slide mechanism 8a Protruding part 8a1 Tip part 8b Inclined end 8b1 Tip part 8c Inclined tongue 9 Vertical rib 9a Projection 10 Locking part 10a Vertical rib 11 recessed portion 12 cap 12a screw portion 12b top wall 12c convex portion M1 first accommodation space M2 second accommodation space F channel H communicating opening

Claims (7)

an upper container forming a first accommodation space;
a lower container rotatably connected to and held by the lower portion of the upper container and forming a second accommodation space therein;
an inner plug that partitions the first accommodation space and the second accommodation space from each other;
A communication opening is formed in the inner plug by relative rotation of the upper container and the lower container, and the contents stored in the first storage space and the contents stored in the second storage space are passed through the communication opening. A two-agent mixing container for mixing the contents,
The inner plug is non-rotatably and slidably held by the lower container and is slidably held while maintaining a sealed state with the inner peripheral wall of the upper container; a partition wall provided so as to be breakable through the thin portion, and forming a communication opening connecting the first accommodation space and the second accommodation space by breaking the partition wall;
According to the relative rotation of the upper container and the lower container, the partition wall is broken between the upper container and the inner plug body, and the inner plug body is slid toward the bottom of the lower container. A two-agent mixing container, characterized in that it is provided with a sliding mechanism that allows the two-agent mixing container. The slide mechanism comprises one or more protrusions provided on either one of the upper container or the inner plug body, and one or more protrusions provided on the other of the upper container or the inner plug body, 1 or 2 or more slanted tongues for sliding the inner plug body toward the bottom of the lower container by pressing the slanted end against the tip of the projecting portion according to the relative rotation of the upper container and the lower container. The two-agent mixing container according to claim 1, characterized by comprising: The projecting portion has a distal end portion that abuts on the base end surface of the inclined portion in the initial posture before sliding of the inner plug body, and the inclined portion has the protrusion in the initial posture before sliding of the inner plug body. 3. The container for mixing two agents according to claim 2, wherein the container has a tip portion that abuts on the base end portion of the shaped portion. 4. The two-agent mixing container according to any one of claims 1 to 3, wherein the partition wall is non-rotatably fitted and held in the upper container, and has a locking portion held in the upper container when the partition wall is broken. . The upper container has a pouring nozzle for pouring out a mixture of the contents housed in the first housing space and the contents housed in the second housing space,
5. The lower container according to any one of claims 1 to 4, wherein the lower container has a pressing portion that is elastically deformable on the bottom wall portion of the lower container, and that pushes the mixture to pour out the mixture through the pouring port. A two-agent mixing container as described above. 6. The container for mixing two agents according to claim 5, wherein the upper container has a cap that is detachably attached to the upper container and seals and holds the pouring nozzle. 7. The container according to any one of claims 1 to 6, characterized in that an annular recess for forming a reservoir for the mixture is provided between the top outer edge of the inner plug body and the inner peripheral wall of the upper container. Two-agent mixing container.

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