JPH09301433A - Retractable spout - Google Patents

Abstract

(57) 【Abstract】 PROBLEM TO BE SOLVED: To provide a retractable spout which can be taken out from a container main body when it is used and can be stored in the container main body when it is not used, and which is extremely easy to handle. That is. SOLUTION: This is composed of a tubular portion forming a spout and an attachment flange portion to the container body provided around the tubular portion,
Further, there is provided a storage-type spout characterized in that the mounting flange portion is composed of a horizontal mounting portion to the container body and a spout portion is a bent-back portion that can be inserted into and taken out of the container body.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a retractable spout, and more particularly, a retractable spout that can be taken out of a container body when used and can be stored in the container body when not in use. It is about the outlet.

[0002]

2. Description of the Related Art Conventionally, a so-called bag-in-box composite container has been known as one of packaging containers for filling and packaging alcoholic beverages, fruit juice drinks, seasonings, water and the like. This is a composite container having a structure in which a stepped ball box or the like is used as an outer container, and a plastic bag having a spout as an interior is housed in the outer container. When using it, fix it so that the spout attached to the plastic bag stored in the outer container such as the stepped ball box projects to the outside of the outer container such as the stepped ball box. The contents are poured out from the spout and used.

[0003]

However, there are various inconveniences when the spout is projected to the outside of the outer container such as a corrugated ball box as described above. For example, a packaged product after filling and packaging. There is a problem in that the protruding spout part becomes an obstacle when carrying it by hand, which makes it inconvenient to handle. Alternatively, there is a problem that an extra space is required due to the protruding spout portion during storage after filling and packaging, distribution process, display at a store, and the like. In order to solve such a problem, for example, in an outer container such as a corrugated ball box, all of the plastic bags having the spout are stored without protruding the spout, and before use, , The opening engraved with a perforation line that is large enough to take out the spout provided on the side wall that constitutes the outer container such as a stepped ball box is broken and opened, and then the bag body is opened. A method has been proposed in which the attached spout is pulled out, fixed to the side wall constituting the outer container, and the spout is opened for use. However, in this method, at the time of use,
It is extremely difficult to store the once ejected spout in the outer container again, and to easily take in and out the spout,
The spout that once protruded on the side wall of the outer container is still on the side wall of the outer container and is in a protruding state, which is inconvenient for handling the packaged product. Therefore, the present invention is to provide a retractable spout which can be taken out from the container body when used and can be stored in the container body when not used, and which is extremely easy to handle.

[0004]

As a result of various studies to solve the above-mentioned problems, the present inventor has found that a tubular portion forming a spout and a container body provided around the tubular portion are provided. And the mounting flange portion of
Further, by constructing the horizontal attachment part having the function of attaching to the container body and the bending portion for folding back having the function of allowing the spout to be freely taken in and out of the container body, the spout is taken out from the container body when used. The present invention has been completed by finding a retractable spout that can be stored in a container body when it is not used and is extremely easy to handle.

That is, the present invention comprises a tubular portion forming a spout and an attachment flange portion provided on the periphery of the tubular portion for attaching to the container body, and further attaching the attachment flange portion to the container body. It is a retractable spout characterized in that it comprises a horizontal attachment part and a bending part for folding back, which allows the spout to be taken in and out of the container body.

[0006]

BEST MODE FOR CARRYING OUT THE INVENTION The present invention will be described in more detail below. First, the constitution of the retractable spout according to the present invention will be described with reference to the drawings by exemplifying a few thereof, and FIGS. 1 and 2 are sectional views showing an example of the constitution of the retractable spout according to the present invention. Is. As shown in FIG. 1, the retractable spout A according to the present invention comprises a tubular portion 1 that constitutes the spout and an attachment flange portion 2 provided around the tubular portion 1 to a container body. Further, the attachment flange portion 2 is composed of a horizontal attachment portion 4 having a function of attaching to the container body 3 and a bending portion 5 for folding that functions so that the spout can be freely taken in and out of the container body 3. It is something. Thus, as shown in FIG. 2, the retractable spout A according to the present invention has a folding bent portion 5 for functioning so that the spout constituting the attachment flange 2 can be freely inserted into and taken out from the container body 3. It is possible to store or take out the cylindrical portion 1 constituting the pouring outlet in the container body 3 by bending the container up and down freely. In the figure, 6
Represents a lid member for sealing the opening of the spout, and 7
Indicates a hinge portion provided if necessary.

The example illustrated above is an example of the retractable spout according to the present invention, and the present invention is not limited to this. As another example of the retractable spout according to the present invention, FIG. 4, 5, and 6 are sectional views showing the configuration of another form of the retractable spout according to the present invention. As shown in FIG. 3, the retractable spout according to the present invention is a two-piece structure in which a cap 8 is capped by fitting a screw or the like on the tubular portion 1 constituting the spout. It may consist of styps. In this case, the lid member 6 for sealing the opening of the spout may be replaced with an inner seal member or the like. Thus, in the present invention, the retractable spout having the above-described structure is opened by removing the cap 8 thereof, and after use,
It can be resealed with the cap 8.

Alternatively, as shown in FIG. 4, as the retractable spout according to the present invention, a cylindrical portion 1 constituting the spout is formed.
And a one-piece type having a configuration in which an upper portion of the cylindrical portion 1 for sealing the opening is hermetically formed by, for example, integral molding using synthetic resin or the like. Good. In the figure, 10 represents a thin portion for opening the closed top plate 9, and 11 represents a knob for opening the closed top plate 9. Thus, the retractable spout having the above-described configuration can be easily opened by holding the picking portion 11 and tearing it from the thin portion 10 provided over the periphery thereof.

Further, as shown in FIG. 5, the retractable spout according to the present invention includes a tubular portion 1 which constitutes the spout,
A closed bottom plate 1 that closes the opening of the tubular portion 1 at the bottom thereof.
2 may be of a one-piece type, which is formed by integral molding using synthetic resin or the like. In the figure, 10 represents a thin portion for opening the closed bottom plate 12, and 13 represents a ring-shaped knob for opening the closed bottom plate 12, as described above. Thus, the retractable spout having the above-described configuration can be easily opened by holding the ring-shaped pick portion 13 in the hand and tearing it from the thin portion 10 provided over the periphery thereof.

Further, as shown in FIG. 6, as the retractable spout according to the present invention, a screw or the like is further fitted to the retractable spout shown in FIG. 5 to cover the cap 8. It may be a two-piece type configured by crowning.
In the figure, 1, 10, 12, 13 and the like have the same meanings as described above. In the retractable spout having the above structure, the cap 8 is first removed, and further the ring-shaped knob 13 is held in the hand and torn from the thin portion 10 provided around the periphery thereof. It can be easily opened and can be resealed with the cap 8 after use.

Next, in the above-mentioned retractable spout according to the present invention, as the folding bent portion 5 for functioning so that the spout constituting the attachment flange portion 2 can be freely inserted into and taken out from the container body 3, the above-mentioned examples are given. As described above, the hinge portion 7 and the like are provided, but in addition, for example, although not shown, the bent portion for folding is formed into a corrugated shape or a bellows shape, or has elasticity. It may be formed in a plate shape having high flexibility and provided so that it can be bent up and down. In the present invention, as the above-mentioned folding portion for folding, for example, by holding or pulling or pushing in the tubular portion or the like which constitutes the spout, the spout has a flexibility that allows it to be freely taken in and out. However, any shape such as a truncated cone shape or a pyramidal shape such as a triangular pyramid, a quadrangular pyramid, a pentagonal pyramid, or a hexagonal pyramid may be used as long as it can be easily bent. But it's okay. In the present invention, as the above-mentioned shape, a truncated cone shape is particularly preferable from the viewpoint of flexibility and the like.

Next, in the present invention, a method of manufacturing the retractable spout according to the present invention will be described.
As such a method, a synthetic resin can be used and manufactured by injection molding, extrusion molding, or the like.
In the above, as the synthetic resin, for example, polyethylene resin, polypropylene resin, polystyrene resin, polycarbonate resin, acrylonitrile resin, (meth) acrylic resin, polyester resin, polyamide resin, Others and the like can be used. Alternatively, in the present invention, it is possible to use a thermoplastic elastomer which has rubber elasticity in the operating temperature range but is capable of being processed in the processing temperature range (high temperature) in the same manner as the thermoplastic plastic. For example, polystyrene-based thermoplastic elastomer, polyolefin-based thermoplastic elastomer, polyurethane-based thermoplastic elastomer, polyester-based thermoplastic elastomer, polyamide-based thermoplastic elastomer and the like can be used.

Next, in the present invention, as the container body to which the retractable spout according to the present invention is attached, a plastic bag used in a conventional bag-in-box can be used. A film of a resin having, a film of a resin having a barrier property, a film of a resin having a heat seal property, etc. is used, and these are arbitrarily selected and combined according to the packaging purpose and the like. It is possible to use a plastic bag formed by stacking or stacking these and heat-sealing the periphery thereof. Thus, in the present invention, as a method of attaching the retractable spout according to the present invention to the plastic bag as described above, an ordinary method, for example, opening a predetermined portion of the plastic bag, The retractable spout according to the present invention is superposed on the inner surface of this opening with the surface of the horizontal mounting portion constituting the mounting flange portion thereof being fitted to the heat seat.
It can be attached by tightly adhering with a cable or the like.

In the present invention, therefore, the retractable spout according to the present invention is attached to the plastic bag as described above, and the contents are filled and packaged in the plastic bag, according to a conventional method.
For example, in an outer container such as a stepped ball box, all of the plastic bags having a spout are stored without protruding the spout, and the outer container such as a stepped ball box is previously stored before use. The opening provided in the side wall that constitutes it can be taken out by breaking the opening engraved with the perforation line of a size that can be taken out, and then the spout attached to the bag is pulled out, and this A device which is fixed to a side wall constituting an outer container and used by opening the spout, and after use, the spout can be housed in an outer container and pushed into a plastic bag. By repeating this, the contents can be used.

[0015]

EXAMPLES The present invention will be described more specifically with reference to examples. Example 1 A polypropylene resin was used, and a spout having the same shape as shown in FIG. 1 was injection molded by an injection molding method. On the other hand, a biaxially stretched polyethylene terephthalate film having a thickness of 12 μm, a polyvinylidene chloride resin coated nylon film having a thickness of 20 μm and a linear low density polyethylene film having a thickness of 70 μm are laminated on a synthetic resin multiplex film. , An opening for attaching the spout is engraved, the spout is inserted into the opening from the back side thereof, and the horizontal attachment portion constituting the attachment flange portion of the spout has the The linear low density polyethylene films were superposed so that the surfaces thereof faced each other, and then heat-sealed, and a spout was attached to the above-mentioned synthetic resin multi-layer film (see FIG. 1).
Then, the synthetic resin multi-layer film with the spout attached above, the same as the above, a biaxially stretched polyethylene terephthalate film having a thickness of 12 μm, a polyvinylidene chloride nylon film having a thickness of 20 μm and a thickness of 70 μm.
The synthetic resin multi-layer film made by superimposing the linear low-density polyethylene films of 1) on top of each other so that the surfaces of the linear low-density polyethylene films face each other, and then heat-sealing the ends around the outer periphery. Thus, a bag made of a synthetic resin multi-layer film with a spout attached was manufactured.
Next, a box made of corrugated balls is prepared as an outer box, and an opening hole through which the spout can be taken out at the time of use is engraved with perforations, and the spout is placed inside the outer box. A bag made of a synthetic resin multi-layer film attached with is filled with the contents and packaged, and when the bag is used, the perforation is torn to separate a part of the outer box to open the opening. Was formed, from which the spout attached to the bag was drawn out, and the cap attached to the spout was taken out to pour out the contents. After pouring out as described above, a cap was attached to the pouring outlet, and then the pouring outlet was pushed into the inside from the opening hole of the outer box, and this procedure was repeated to take out the content. As described above, it was possible to take out the spout at the time of use and push the spout into the inside after use, and use the spout in this way.

[0016]

As is apparent from the above description, the present invention comprises a tubular portion that constitutes a spout and an attachment flange portion around the tubular portion that is attached to the container body. By using the attaching flange portion with the horizontal attaching portion that has the function of attaching to the container body and the folding bent portion that has the function of allowing the spout to be freely taken in and out of the container body, the container body when used It is possible to take out the spout from the container, store it in the container body when not in use, and repeat this, and it is possible to manufacture a retractable spout that is extremely easy to handle. is there.

[Brief description of drawings]

FIG. 1 is a cross-sectional view showing an example of the configuration of a retractable spout according to the present invention.

FIG. 2 is a cross-sectional view showing an example of the configuration of a retractable spout according to the present invention.

FIG. 3 is a sectional view showing the configuration of another form of the retractable spout according to the present invention.

FIG. 4 is a cross-sectional view showing the configuration of another form of the retractable spout according to the present invention.

FIG. 5 is a sectional view showing the configuration of another form of the retractable spout according to the present invention.

FIG. 6 is a cross-sectional view showing the configuration of another form of the retractable spout according to the present invention.

[Explanation of symbols]

 DESCRIPTION OF SYMBOLS 1 Cylindrical part 2 Attachment flange part 3 Container main body 4 Horizontal attachment part 5 Folded back bending part 6 Lid material 7 Hinge part 8 Cap 9 Sealing top plate 10 Thin part 11 Picking part 12 Sealing bottom plate 13 Ring picking part

Claims (5)

[Claims] 1. A cylindrical portion constituting a spout and a flange portion for mounting to a container body provided around the cylindrical portion,
Further, the retractable spout is characterized in that the attachment flange portion is composed of a horizontal attachment portion to the container body, and the spout is a bent-back portion that can be freely taken in and out of the container body. 2. The retractable spout according to claim 1, wherein a cap is capped on the upper portion of the tubular portion. 3. The retractable spout according to claim 1, wherein a closed top plate having a thin portion is provided on an upper portion of the tubular portion. 4. The retractable spout according to claim 1, wherein a closed bottom plate having a thin portion is provided on the lower portion of the tubular portion. 5. The method according to claim 1, wherein a cap is capped on the upper portion of the tubular portion, and a closed bottom plate having a thin portion is provided on the lower portion of the tubular portion. Retractable spout.