JPH06278758A - Fixed quantity-dispenser in extrusion container - Google Patents

Abstract

PURPOSE:To provide a fixed quantity-dispenser which is simple in structure and handling and which makes it possible for the contents of a container for dispensation by extrusion to be dispensed in a fixed quantity in a stabilized manner. CONSTITUTION:A device comprises a main cap 1, a movable valve 8, and a subordinate cap 5. The main cap 1 is screwed on the outer side of the mouth B of a container for dispensation by extrusion and has a projecting nozzle 2 which is connected with the forward end of the mouth. The movable valve 8 is provided with a spring 7 which makes the movable valve close the mouth of the container; the spring 7 is fitted inside a valve chamber 3 which is stepped with decreasing diameters toward the tip of the nozzle; the movable valve 8 is moved toward the outlet at the forward end of the valve chamber 3 by extrusion of the contents E. The subordinate cap 5 is fitted on the outer side of the nozzle and closes the outlet.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a quantitative dispensing device for repeatedly dispensing a fixed amount of contents from an extrusion container.

[0002]

2. Description of the Related Art As a container in which a body of a container is formed to have flexibility and resilience and the body is pressed to push out contents from a mouth, a fluid and viscous toothpaste or paste, Alternatively, a tube container that stores an adhesive or the like is known. (For example, Japanese Utility Model Laid-Open No. 54-41840 and Japanese Utility Model Laid-Open No. 54-173852) Open the rear part of the container body and close the opening with a piston,
There is also known a container in which the contents are pushed out from the mouth portion by advancing the piston. (For example, Japanese Utility Model Publication No. 62-165275, Japanese Utility Model Publication No. 64
-32386 publication)

[0003] A container for measuring the content is provided directly in the mouth of the container, or a device for directly measuring the content is provided in the cap, or a pouring device or a discharge plug for measuring a fixed amount is inserted into the container mouth, and A container is also known in which each time the container is tilted once in a certain direction and returned to its original state, a certain amount of content is weighed by a weighing unit or the like and the content is poured out from the weighing unit or the like. (For example, Japanese Utility Model Publication No. 52-108953, Japanese Utility Model Publication No. 53-66457, Japanese Utility Model Publication No. 54-08768,
(JP-A-54-143386, JP-A-55-107655)

[0004]

In the case of a container in which the measuring portion is directly provided in the mouth, the structure of the mouth of the container becomes extremely complicated, which makes molding difficult and expensive. It was Further, even in the case of a metering dispenser or a fixed amount discharge plug which is inserted into the mouth of the container, there is a problem that the structure becomes complicated so as to aim for accurate metering. In particular, when cleaning the metering section, the discharge plug, etc., there is a problem that every corner cannot be cleaned due to the complicated structure.

In the pouring means for taking out the contents by inclining the container once and returning it to the original position, there is a problem that a certain amount of contents cannot be measured if the inclination direction of the container is different. Therefore, the present invention has been made in view of such problems of the prior art, and an object of the present invention is to stably extract a certain amount of contents from an extrusion container, and to have a structure and It is to provide a fixed quantity dispensing device which is easy to operate.

[0006]

In order to achieve the above object, a metered-dose dispensing device for an extrusion container according to the present invention is provided with a nozzle which is screwed onto the outside of the container mouth and connected to the tip of the mouth. The parent cap and the spring that is inserted into the stepped valve chamber that gradually decreases in diameter toward the nozzle tip, the container mouth is closed by the spring, and the contents are pushed toward the nozzle tip. It is composed of a moving movable valve and a child cap that is fitted to the outside of the nozzle and closes the nozzle outlet.

[0007]

EXAMPLE Next, the structure of the quantitative dispensing device for an extruding container according to the present invention will be described with reference to FIGS. 1 and 2. In the container body A for storing the contents E in an extrudable manner, A parent cap 1 screwed to the outside and projecting a nozzle 2 that is connected to the tip of the mouth B, and a spring 7 that is inserted into a stepped valve chamber 3 whose diameter gradually decreases toward the tip of the nozzle 2.
The container mouth B is closed by the spring 7, a movable valve 8 that moves toward the tip of the nozzle 2 by pushing out the contents E, and a child cap that is fitted to the outside of the nozzle 2 and closes the spout 3c 5
It is made up of more.

As shown in FIG. 3 (C), the container main body A is integrally provided with a container mouth B through a shoulder a2 at the front of a body a1 for accommodating the contents E, and the mouth B is provided with the contents. E discharge port C is drilled,
A male screw b is formed on the outer circumference of the mouth portion B, and the body portion a1 is formed of a laminate having at least flexibility and resilience, and the body portion a1 is pressed to eject the contents E from the mouth of the mouth portion B. C
It is more pushed out.

The parent cap 1 screwed into the container mouth B has an inner cylinder 6 having a diameter larger than that of the container mouth B hanging from the center of the ceiling wall 1a of the bell-shaped cover 11 and the center of the ceiling wall 1a. A tapered nozzle 2 having a diameter smaller than that of the inner cylinder 6 is projectingly provided on the inner cylinder 6, and a female screw 16 which is screwed into the male screw b of the mouth portion B is provided on the inner circumference of the inner cylinder 6. A stepped valve chamber 3 having a successively smaller diameter is bored, a large diameter valve chamber 3a, a small diameter valve chamber 3b, and a spout 3c are sequentially formed, and a male stop portion 12 is formed on the outer circumference of the nozzle 2.

A movable valve 8 fitted in the stepped valve chamber 3 of the nozzle 2.
Is larger than the discharge port C of the container port B and the small diameter valve chamber 3b, and is a disk shape slightly smaller than the large diameter valve chamber 3a or a disk 8a.
A projecting portion 18 to be inserted into the small-diameter valve chamber 3b is projectingly provided at the center of the. The spring 7 fitted into the stepped valve chamber 3 of the nozzle 2 is
The movable valve 8 is pressed toward the container opening B to close the container opening B. One end is locked to the small diameter valve chamber 3b or the movable valve 8, or one end is moved to the small diameter valve chamber 3b and the other end is moved. Locking to valve 8 is desirable.

The child cap 5 is on the inner surface of the peripheral wall 5a having a diameter slightly larger than that of the nozzle 2, and a female stopper portion 15 which is engaged with the male stopper portion 12 of the nozzle 2.
Is provided, a slip stopper 5c is formed on the outer surface of the peripheral wall 5a, and a protrusion 25 that is closely fitted to the spout 3c of the nozzle 2 is provided inside the ceiling wall 5b. As a means for locking the nozzle 2 and the child cap 5, it is preferable to use a screwing type using a male screw and a female screw, or a fitting / removing type utilizing elasticity.

Since the quantitative dispensing device of the present invention has the above-mentioned structure, if the parent cap 1 is screwed into the mouth B of the container body A and the inlet of the nozzle 2 is screwed into contact with the container mouth B, The movable valve 8, which is fitted into the stepped valve chamber 3 of the nozzle 2 and pressed by the spring 7, is brought into pressure contact with the discharge port C of the container mouth B to close the discharge port C. When the child cap 5 is deeply fitted to the nozzle 2 of the parent cap 1 as shown in FIG. 3B, the projection 25 of the top wall 5b is pressed against the spout 3c of the nozzle 2 to close the spout 3c.

A container body A is manufactured by using the quantitative dispensing device of the present invention.
In order to store the contents E in the container, for example, the parent cap 1 is screwed into the container mouth B, the mouth B is closed by the movable valve 8 fitted into the stepped valve chamber 3 of the cap 1, and the parent cap 1 is closed. The child cap 5 is screwed into the nozzle 2 of the cap 1, the nozzle pouring outlet 3c is closed, the rear end of the body portion a1 is opened, and the content E is filled from the rear end to the content E. It is desirable to close and store the rear end of the body portion a1 after filling.

In order to take out the contents E from the container body A, first, the child cap 5 is removed, and the body portion a1 of the container body A is crushed, and the contents E are crushed according to the crushing of the body portion a1. B
The movable valve 8 that is pushed out further and is inserted into the large-diameter valve chamber 3a of the stepped valve chamber 3 by the pushing out of the content E of the stepped valve chamber 3 to close the container mouth B is compressing the spring 7 and the stepped valve chamber. 3 toward the small diameter valve chamber 3b and reaches the inlet of the small diameter valve chamber 3b.
Meanwhile, the contents E are stored in the large diameter valve chamber 3a and the small diameter valve chamber 3b.

When the pressing of the body portion a1 is released, the movable valve 8 which has reached the inlet of the small diameter valve chamber 3b is pushed back to the container mouth B by the repulsive force of the spring 7 as shown in FIG. The discharge port C is closed. When the movable valve 8 is pushed back to the container port B, it passes through the contents E stored in the large diameter valve chamber 3a and the small diameter valve chamber 3b. By crushing the body portion a1 of the container body A again, the movable valve 8 moves toward the small-diameter valve chamber 3b, whereby the contents E stored in the stepped valve chamber 3 are poured into the spout 3c.
More extruded.

It should be noted that the quantitative dispensing device for an extrusion container according to the present invention is not limited to the above embodiment, and is, for example, as shown in FIG.
As shown in FIG. 7, it is possible to form a concave portion 8b that bites into the inside of the container opening portion of the movable valve 8 to make it easier to receive the pushing pressure of the content E, and to project it on the outer periphery of the movable valve disc 8a. It is also possible to provide the strips 28 at equal intervals so that the contents E can pass through between the projecting strips 28. Further, the shape and the like of the parent cap 1, the stepped valve chamber 3, the child cap 5, and the movable valve 8 can be appropriately changed without departing from the gist of the present invention.

In FIG. 8A, the inner cylinder 6 of the parent cap 1 is omitted, a cover 11 is formed instead of the inner cylinder 6, and a female screw 16 is provided on the inner surface of the cover 11. In FIG. 8 (B), the movable valve 8 having the protrusions 28 projecting at equal intervals on the outer circumference of the disk 8a is inserted into the large-diameter valve chamber 3a of the stepped valve chamber 3, and along the large-diameter valve chamber 3a. The movable valve 8 can be reciprocated.

[0018]

EFFECTS OF THE INVENTION Since the quantitative dispensing device for an extrusion container according to the present invention is as described above, it has the following effects. The container mouth is closed with a movable valve that is inserted into the stepped valve chamber of the parent cap, the movable valve is moved by the pushing pressure of the contents, the contents are pushed out by the movable valves, and the movable valve is moved by a spring. The structure is simple and easy to manufacture and assemble. Moreover, like the conventional extrusion container,
Since the contents can be sequentially taken out in a fixed amount only by pressing the container body, the operation is simple. Further, since the structure is simple, every corner can be easily cleaned. As a result, it is most suitable as a quantitative dispensing device for a container containing a fluid jelly or creamy food or medicine.

[Brief description of drawings]

FIG. 1 is a side view showing an example of use of a quantitative dispensing device according to the present invention.

FIG. 2 is an exploded cross-sectional view of a quantitative dispensing device.

3 (A), (B), and (C) are a vertical cross-sectional view of a parent cap, a cross-sectional view of essential parts showing a fitting example of a child cap, and a partially cutaway front view of a container body.

FIG. 4 is a cross-sectional view of essential parts showing an example of extruding the contents of (A) and (B).

5 (A) and 5 (B) are main-portion cross-sectional views showing a state after the content is extruded.

6 (A), (B), and (C) are a sectional view and a front view showing a structural example of a movable valve.

7 (A), (B), and (C) are bottom views thereof.

FIG. 8 is a cross-sectional view showing a structural example of the parent caps (A) and (B).

[Explanation of symbols]

1 parent cap 2 nozzle 3 step valve chamber, 3a large diameter valve chamber, 3b small diameter valve chamber, 3c spout 5 child cap 6 inner cylinder 7 spring 8 movable valve 11 cover, 12 male stop, 15 female stop, 16 female thread, 18
Projection 25 Projection, 28 Projection A Container body, B Container mouth, b Male screw, C Discharge mouth E Contents

Claims (1)

[Claims] 1. A parent cap (1) having a nozzle (2) which is screwed onto the outside of a container mouth (B) for accommodating the contents (E) so as to be extrudable and which is connected to the tip of the mouth. , A spring (7) which is inserted into a stepped valve chamber (3) having a diameter gradually decreasing toward the nozzle tip portion, the container mouth is closed by the spring, and the contents of the valve chamber tip portion are poured by extrusion. A constant-volume dispensing device in an extrusion container, which comprises a movable valve (8) that moves in the direction of the outlet (3c) and a child cap (5) that fits outside the nozzle and closes the outlet.