JP2010235153A - Mouth plug for refill container and refill container - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To provide a mouth plug for a refill container of a one-touch opening type, which is used for rigid containers of various shapes and which enables a smooth refilling operation through a simple operation, and also to provide a refill container using the mouth plug. <P>SOLUTION: The mouth plug for the refill container is used for filling a rigid container that has a discharging nozzle and includes with contents : a container attaching part to which a refill container body is fixed; a cylindrical spout into which the discharging nozzle of the rigid container is inserted; and a sealing plate that tightly seals the container and is opened by the discharging nozzle. The sealing plate is made of an elastic material and has an opening score. <P>COPYRIGHT: (C)2011,JPO&INPIT

Description

  The present invention relates to toiletries such as liquid detergents and softeners, and refill containers for foods such as edible oil and instant coffee, and a mouthpiece with a novel structure that realizes a refill container that can be easily refilled, and the same. The present invention relates to a refill container using

  Since containers such as liquid detergents need to be weighed and taken out each time they are used, a rigid plastic container with a nozzle at the spout is repeatedly used to make it easier to pour into a measuring cup. Used as a container. In contrast to this container, as a refilling container for replenishing the contents, a flexible container made of a flexible packaging film, a container in which a spout is formed, or a container attached with a stopper is generally used. ing.

  These rigid containers that are used repeatedly are designed so as to be easy to pour out, so in consideration of the convenience of the refilling operation of refilling the contents from the refilling container, Not necessarily.

  The refill container can be opened using the nozzle provided in the container to be used repeatedly, and since the refill container is self-supporting during refilling, it does not need to be held by hand. Containers have been proposed. This hand-held refillable container is a refillable container including a coupling member that is detachably connected to an opening of a reusable container and cannot be dropped off, and a container sealing member that seals the refillable container body (see Patent Document 1).

JP 2004-99082 A

  The refill container described in Patent Document 1 uses two members, namely a coupling member and a container sealing member, in the cap portion in order to combine the reusable container and the refill container, so that the cost of the container is high. It must be. In addition, since the refill container is used by repeatedly screwing it into the opening of the container to be used, the connection between the two is reliable, but on the other hand, it is not only troublesome to operate but also disadvantageous in terms of the cost of the plug. There was a drawback of being.

  If the refill container is a dedicated refill container, it can be designed to fit the structure of the joint well, but it has various shapes. This method could not be adopted when trying to realize a refill container that can be applied universally to the container.

  The problem to be solved by the present invention can be applied to rigid containers having various shapes, and can be refilled with a simple operation, and can be smoothly refilled. A container is proposed.

As a means for solving the above-mentioned problems, the invention according to claim 1 is a plug of a refill container used for replenishing a rigid container having a dispensing nozzle, which is refilled. A container body mounting part for fixing the container body, a cylindrical spout part into which the dispensing nozzle for the rigid container can be inserted, and a seal plate that seals the container and can be opened by the dispensing nozzle. The sealing plate is made of an elastic material and has a score for opening.

  Further, the invention according to claim 2 is the plug for the refill container according to claim 1, wherein the container body mounting portion has a flow rate regulating hole for regulating an outflow amount of the contents. .

  The invention according to claim 3 is the plug for a refill container according to claim 1 or 2, wherein the seal plate is made of rubber or a thermoplastic elastomer.

  Moreover, invention of Claim 4 has an overcap which covers the said spout part, It is a plug for refill containers of any one of Claims 1-3 characterized by the above-mentioned.

  In addition, the invention according to claim 5 is that the container main body mounting portion of the stopper according to any one of claims 1 to 4 is fixed with a container main body deformable as the contents are discharged. The refill container is characterized.

  A refill container plug according to the present invention is a refill container plug used for replenishing a rigid container having a dispensing nozzle, and is a container for fixing a refill container main body. A refill container plug having a main body mounting part, a cylindrical spout part into which a dispensing nozzle for the rigid container can be inserted, and a seal plate that seals the container and can be opened by the dispensing nozzle. Then, by reversing the refill container and inserting it over the nozzle of a rigid container that is used repeatedly, the seal plate is automatically opened by the nozzle, so refilling can be performed with extremely simple operations. .

  The refill container cap according to the present invention has an opening score because the sealing plate is made of an elastic material, and can be easily opened by the tip of the nozzle, and the opening matches the shape of the nozzle. Since it stretches and adheres closely to the nozzle, it is compatible with nozzles of various shapes and can be used as a versatile refill container stopper because it does not select a rigid container to be used repeatedly. Further, since the seal plate is in close contact with the nozzle, the contents do not leak during the refilling operation.

  In addition, when the container body mounting portion has a flow restriction hole that regulates the outflow amount of the contents, the contents can be adjusted at a time by adjusting the opening of the flow restriction hole according to the fluidity of the contents. It can be prevented from overflowing and overflowing in large quantities.

In addition, when the seal plate is made of rubber or thermoplastic elastomer, the seal plate is provided with a plug suitable for various contents by selecting the material and hardness of the seal plate according to the contents. A refill container can be realized.

  In addition, when the plug has an overcap that covers the spout portion, dust can be prevented from entering the spout portion. If the overcap is fixed with a screw, the remaining use can be sealed and stored safely.

BRIEF DESCRIPTION OF THE DRAWINGS It is the cross-sectional schematic diagram which showed one embodiment of the stopper for refill containers which concerns on this invention, (1) A figure is the cross-sectional schematic diagram which showed the AA cross section of a (2) figure. (2) The figure is a schematic plan view of (1). It is the cross-sectional schematic diagram which showed one embodiment of the refill container using the stopper for refill containers shown in FIG. It is the cross-sectional schematic diagram which showed the other embodiment of the refill container using the stopper for refill containers shown in FIG. It is sectional explanatory drawing which showed the refilling operation which refills the content in the rigid container to be repeatedly used from the refill container using the stopper for refill containers shown in FIG. It is the cross-sectional schematic diagram which showed the other embodiment of the stopper for refill containers which concerns on this invention. (1) The figure is the cross-sectional schematic diagram which showed the BB cross section of the figure (2). (2) The figure is a schematic plan view of (1). It is the cross-sectional schematic diagram which showed the other embodiment of the stopper for refill containers which concerns on this invention.

The refill container stopper according to the present invention will be described in detail with reference to the drawings.
FIG. 1 is a schematic cross-sectional view showing one embodiment of a plug for a refill container according to the present invention, and FIG. 1 (1) is a schematic cross-sectional view showing a cross section AA in FIG. (2) The figure is a schematic plan view of (1).
A spigot 1 according to the present invention is a cap for a refill container used for replenishing the contents of a rigid container that is repeatedly used with a dispensing nozzle, and is a container for fixing a refill container main body. A main body mounting portion 2; a cylindrical spout portion 3 into which the dispensing nozzle for the rigid container can be inserted; and a seal plate 5 that seals the container and can be opened by the dispensing nozzle. Reference numeral 5 denotes a plug for a refill container made of an elastic material and having an opening score 6.

  In the embodiment shown in FIG. 1, the container body mounting part 2, the spout part 3, and the seal plate 5 are created as separate parts, and the seal plate 5 is sandwiched between the container body mounting part 2 and the spout part 3. It is integrated with a stopper. As a method of integration, there is a method of integrating the seal plate at the same time when the container body mounting portion 2 and the spout portion 3 are integrally formed by an insert molding method, in addition to the method using screws. The container body mounting part 2 and the spout part 3 can be molded by an injection molding method using a thermoplastic resin such as a polyethylene resin, a polypropylene resin, or a polyester resin.

  In this embodiment, the flow rate regulating hole 7 is provided in the container body mounting portion 2. The flow restricting hole 7 functions to reduce the diameter so that the cross-sectional area is equal to or smaller than the nozzle cross-sectional area of the assumed rigid container. By doing so, it is possible to prevent the contents in the refill container from being supplied in large quantities at a time and overflowing from the nozzle. Moreover, the container main body mounting part 2 has a spindle shape, and has a shape that is easy to heat-seal by being inserted into an opening of a soft packaging bag made of a soft packaging film.

The seal plate 5 is made of an elastic material such as rubber or thermoplastic elastomer and has a score 6 for opening. In this embodiment, the opening score 6 is an incision that reaches approximately half of the thickness of the seal plate 5, and the three incisions intersect at an angle rotated by 60 °. There are no particular restrictions on the shape and number of the opening score 6. A V-shaped groove may be used instead of the notch. Further, there is no restriction as to whether the seal plate 5 is provided from the front or back side. When the overcap is fixed to the spout portion 3 with a screw or the like and the content has a high viscosity, the opening score 6 may be a notch penetrating the entire thickness of the seal plate 5. .

  As for the material of the seal plate 5, rubber materials such as natural rubber and synthetic rubber and thermoplastic elastomers can be used. Synthetic rubbers include acrylic rubber (ACM), acrylonitrile butadiene rubber (nitrile rubber, NBR), isoprene rubber (IR), urethane rubber (U), ethylene propylene rubber (EPM, EPDM), epichlorohydrin rubber (CO, ECO), Examples include chloroprene rubber (CR), silicone rubber (Q), styrene butadiene rubber (SBR), butadiene rubber (BR), fluorine rubber (FKM), and polyisobutylene rubber (butyl rubber IIR). As thermoplastic elastomers, styrene (SBC), vinyl chloride (TPVC), olefin (TPO), urethane, polyester, nitrile, polyamide (TPAE), fluorine, chlorinated polyethylene (CPE), 1 -2 polybutadiene, trans 1/4 IR, silicone type, chlorinated ethylene copolymer crosslinked alloy, ester halogen type polymer alloy, etc. are mentioned. Which material is selected is determined by the cost and the type and properties of the contents.

2 and 3 are schematic cross-sectional views showing an example of an embodiment of a refill container using the refill container stopper shown in FIG.
Each of the refill containers shown in FIGS. 2 and 3 is a so-called standing pouch made by sealing the periphery of two front and back soft packaging films and a bottom film. In the container shown in FIG. 2, the stopper 1 is fixed to the upper end opening of the container body 4, but in the container shown in FIG. 3, the stopper 1 is fixed to the upper corner of the container body 4. It is.

  In order to manufacture a package using these refill containers, first, a bag of the refill container body 4 is prepared, and the container body mounting portion 2 is heat-sealed to the opening, and then the opening of the container body mounting portion is opened. A package product can be manufactured by injecting the contents from the part and finally plugging the spout part 3 together with the seal plate 5 and sealing.

  There is no restriction | limiting in particular as the refill container main body 4, A soft packaging bag as shown in FIG. 2, FIG. 3 may be sufficient, and a rigid container like a plastic bottle may be sufficient. Further, a composite container in which paper and a plastic film are laminated, a plastic tube, or the like may be used. However, due to the characteristics of the plug for refill containers according to the present invention, a container that does not require gas-liquid exchange, such as a flexible packaging bag or tube, that is deformed and withered as the contents flow out during refilling. Is preferable.

FIG. 4 is a cross-sectional explanatory view showing a refilling operation for refilling the contents from the refill container using the refill container stopper shown in FIG. 1 into the rigid container to be used repeatedly.
A rigid container that is repeatedly used has a structure in which a nozzle cap 11 is attached to an opening of a rigid container body 10 made of a plastic bottle or the like. The nozzle cap 11 has a nozzle 12 in the center, and a nozzle slit 14 is formed on one side of the nozzle 12 so that the inside and outside of the container can be vented.

The refill container is inverted, held with the cap 1 of the refill container facing down, and inserted in the direction of the arrow 15 in the refill container insertion direction so that the spout 3 is placed on the nozzle 12. In the figure, the refill container main body fixed to the container main body mounting portion 2 and the contents are omitted. The nozzle tip 13 abuts against the seal plate 5 and the opening score 6 provided on the seal plate 5 is torn, and the nozzle tip 13 penetrates the seal plate 5 as shown in the drawing. At this time, since the seal plate 5 has elasticity, the opening of the seal plate 5 extends and deforms along the shape of the nozzle tip 13, and always keeps in close contact with the nozzle 12. At this time, the contents in the refill container flow out from the nozzle 12 toward the inside of the synthesis container main body, but the seal plate 5 is in close contact with the outside of the nozzle 12, so that the contents do not leak out. . At this time, the flow restricting hole 7 provided in the container body mounting portion 2 is used.
Therefore, the amount of the content flowing in is restricted, so that the content can be prevented from overflowing from the nozzle slit 14.

FIG. 5 is a schematic cross-sectional view showing another embodiment of the plug for a refill container according to the present invention. (1) The figure is the cross-sectional schematic diagram which showed the BB cross section of the figure (2). (2) The figure is a schematic plan view of (1).
In the embodiment shown in FIG. 5, the fixing method of the container body mounting part 2 and the spout part 3 is by screws, and the opening score provided on the seal plate 5 is only one cut. There is no difference from the plug shown in FIG.

FIG. 6 is a schematic cross-sectional view showing another embodiment of the plug for a refill container according to the present invention.
The embodiment shown in FIG. 6 is the same as the plug shown in FIG. 1 except that an overcap 16 that covers the spout portion 3 of the plug 1 is provided. The overcap 16 prevents dust and dust from entering the inside of the plug 1. As a method for fixing the overcap, a method using friction, a method using a fitting protrusion, a method using a screw, or the like is used. If the container can be sealed using screws, the container can be resealed, so that it is possible to preserve the container even if it is left unfilled.

  As described above, the refill container mouth plug according to the present invention and the refill container using the same are repetitively used by inserting and inserting the spout part of the refill container into the nozzle part of the rigid container. Since the refilling is completed and applicable to various containers regardless of the nozzle shape of the rigid container, it is useful as a general-purpose refilling container.

DESCRIPTION OF SYMBOLS 1 ... Plug 2 ... Container main body mounting part 3 ... Spout part 4 ... Refill container main body 5 ... Sealing plate 6 ... Opening score 7 ... Flow control hole 10 .... Rigid container body 11 ... Nozzle cap 12 ... Nozzle 13 ... Nozzle tip 14 ... Nozzle slit 15 ... Arrow 16 in refill container insertion direction ... Overcap

Claims (5)

  A plug for a refill container used to replenish the contents of a rigid container provided with a dispensing nozzle, a container body mounting portion for fixing the refill container body, and for dispensing the rigid container A cylindrical spout portion into which a nozzle can be inserted, and a seal plate that seals the container and can be opened by the dispensing nozzle, and the seal plate is made of an elastic material and has an opening score. A plug for a refill container.   The plug for a refill container according to claim 1, wherein the container body mounting portion has a flow rate regulating hole for regulating an outflow amount of contents.   The plug for a refill container according to claim 1 or 2, wherein the seal plate is made of rubber or a thermoplastic elastomer.   The cap for a refill container according to any one of claims 1 to 3, further comprising an overcap that covers the spout portion.   A refill container, wherein a container body that is deformable as the contents are discharged is fixed to the container body mounting portion of the cap according to any one of claims 1 to 4.

Images