JP2000159224A - Stopper - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a soft pouch stopper used for storing an oral food, an enteral food, a fruit juice or the like, provided with incorrect unsealing prevention function and superior sealing properties, for which reopening can be carried out by a single hand operation and fear of losing or missing a cap section is not generated. SOLUTION: A plastic stopper 1 is provided with a cylindrical spout section 20 having an extracting hole 22 formed on its end and having packing material attaching sections 30 and also having a cylindrical cap section 10 so formed as to cover the extracting hole 22 by its head through a half-cut virgin sealing section 12, and posts 50 are formed across a cylindrical spout section 20 on the packing material attaching sections 30, and the ends of both posts 50 are connected with almost intermediate sections of outer peripheral face of the cylindrical cap section 10 by almost bar-shaped connecting sections 52 horizontally through twisting sections 54.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

TECHNICAL FIELD The present invention relates to a plastic soft packaging bag (hereinafter referred to as a soft pouch) for storing oral or enteral food, fruit juice, jelly, etc., a gable-top paper container, a back-in box, and a back-in carton. The present invention relates to a plug provided at a take-out port, and particularly to a plug requiring one-handed operation.

[0002]

2. Description of the Related Art Conventionally, an oral enteral diet, or fruit juice,
A soft pouch made of plastic for storing jelly, etc., which can be put directly on the mouth of the spout for eating or drinking, or a mouthpiece for a soft pouch with a cap, which is attached to an oral eating and drinking device and then transferred to a tableware, etc. for eating and drinking. There are known containers, back-in boxes, and plugs provided at the outlet of the back-in carton. For food and drink, remove the screw cap from the screw spout (mouth),
In resealing after eating and drinking, the one with a threaded cap fitted to a threaded spout was common.

[0003] However, the above-mentioned plug does not have a complete sealing property, does not have a function of preventing unauthorized opening (plug) at a glance, and a cap portion at the time of opening (plug) cannot be found. One-handed operation was difficult when opening and closing (plugging).

In order to solve the above-mentioned problem, for example, in an extraction opening disclosed in Japanese Utility Model Application Laid-Open No. 58-133528, as shown in FIG. A partition wall (7) crossing the
One is an extraction port (9) having an engaging portion (8) (male thread) on the outer circumference, and the other is another engaging portion (6) (female screw) that fits with the engaging portion (8). ) (1)
1), which is an extraction port provided with a V-groove (4) on the outer periphery of the cylindrical body near the boundary between the extraction port section (9) and the cap section (11). Since the part (9) and the partition (7) are integrated by the partition wall (7), it is excellent in sealing performance.
Is gripped and folded from the V-groove (4) to separate the cap portion (11) and the extraction port (9). It has a prevention function.

[0005] However, in the extraction opening of the present invention, the separated cap portion (11) cannot be found,
One-handed operation was impossible, and there was a problem that resealing (plugging) was not perfect and the resealing (plugging) was difficult.

[0006]

SUMMARY OF THE INVENTION The present invention has been made to solve the above-mentioned problems of the prior art, and it is an object of the present invention to provide an oral or enteral diet, or a soft plastic product containing fruit juice, jelly and the like. For pouches, gable-top type paper containers, back-in boxes, back-in cartons, etc., they have a function to prevent unauthorized opening, have excellent sealing properties, and can be reopened (plugged) with one hand operation. It is an object of the present invention to provide a mouth plug which is excellent in sealing performance even when the plug is closed and does not cause the cap portion to be lost.

[0007]

According to the present invention, in order to attain the above object, according to the present invention, a half-cut virgin is provided at a packing material attachment portion by providing a cylindrical spout portion having an extraction port at a tip end. A plastic spout provided with a cylindrical cap portion covering the extraction port at the head portion via a seal portion, and a support post sandwiching the cylindrical spout portion at the packaging material attaching portion. The spout is characterized in that it is connected to a substantially middle portion of the outer peripheral surface of the cylindrical cap portion by a substantially bar-like connecting portion through a twisted portion horizontally from the distal ends of both struts.

[0008]

Embodiments of the present invention will be described below. As shown in FIG. 1, the plug according to the present invention has a packaging material attachment portion comprising a substantially elliptical cylindrical base having a packaging material attachment side wall (32) to which a soft pouch (40) made of a plastic film is sealed. On the upper surface of (30), a cylindrical spout portion (20) having an extraction port (22) at the tip and having an outer peripheral surface undercut (80) on the outer peripheral surface is provided, and a half-cut virgin seal portion (12) is provided. The cylindrical cap portion (1) having a fitting inner peripheral surface undercut portion (70) fitted on the inner peripheral surface with the fitting outer peripheral surface undercut portion (80) through
0) is a plastic stopper (1) provided so as to cover the extraction port (22) with its head, comprising a substantially elliptical cylindrical base with a cylindrical spout portion (20) interposed therebetween. A thin column (50) is vertically provided on the upper surface of both ends in the longitudinal direction of the packaging material attaching portion (30), and a substantially bar-like connecting portion ( 52)
The cylindrical cap (10) is connected to a substantially intermediate portion of the outer peripheral surface.

The first opening of the plug (1) having the above structure is performed by pressing the cylindrical cap (10) with one hand (or with both hands) and cutting and separating it from the half-cut virgin seal (12). Push both the thin struts (50) and the cylindrical cap (10) away and eat or drink from the opened extraction port (22), or orally avoid the thin struts (50) and the cylindrical cap (10) Attachment for eating and drinking was attached, and it was made the structure which can be moved to other tableware etc. to eat and drink. Therefore, as described above, it is possible to determine at a glance the case of illegal opening by cutting and separating from the half-cut virgin seal portion (12). Further, initially, the extraction port (2) is formed at the half-cut virgin seal portion (12).
Since it is sealed so as to cover 2), it is possible to have complete sealing.

Also, since the substantially rod-shaped connecting portion (52) serves as a string by the substantially bar-shaped connecting portion (52) connected to a substantially intermediate portion of the outer peripheral surface of the cylindrical cap portion (10), it can be opened. The problem that the cylindrical cap part (10) separated by the stopper is not found can be eliminated.

[0011] Further, the re-opening after eating and drinking can be performed by using the half-cap twisted portion (54) as a fulcrum and the cylindrical cap portion (10).
The center position of the cylindrical spout portion (20) is easily determined by rotating the undercut portion (70) of the cylindrical cap portion (10) with the undercut portion (80) of the inner peripheral surface of the cylindrical cap portion (10). By doing so, it can be easily re-plugged.

Further, as another structure of the plug of the present invention, as shown in FIG. 2A, the tip of two thin blade-shaped supports (51) and the outer peripheral surface of the cylindrical cap (10) are used. The connection with the substantially middle portion is characterized in that the thin plate blade (56) and the twist portion (54) are provided so as to be curved horizontally and upward.

[0013] With the above-described connection, re-opening after eating and drinking can be performed by turning the cylindrical cap (10) around the torsion (54) as a fulcrum, as shown in FIG. 2 (b). The thin blade (5
6) is bent downward, and the cylindrical cap portion (10) is pushed downward by the repulsive force of the curved thin plate blade (56), so that the set position where the cylindrical cap portion (20) is fitted to the cylindrical spout portion (20) is stabilized. In particular, the fitting can be facilitated by one-handed operation.

Further, as shown in FIG. 3 (a), the shape of the cylindrical cap portion (10) and the cylindrical spout portion (20) constituting the spout of the present invention is changed.
0), a cylindrical inner part (60) is provided vertically at the center of the head (10a).

The cylindrical cap portion (1) having such a shape is used.
0), when re-plugging, as shown in FIG. 3 (b), the cylindrical inner part (60) having a thickness that closes the extraction port (22) of the spout portion (20) is sealed with the re-plug. The sex can be further ensured.

Furthermore, a cylindrical cap part (10) and a cylindrical spout part (20) constituting the spout of the present invention.
As another shape, as shown in FIG. 4, a fitting outer peripheral surface undercut portion (80) is provided on the outer peripheral surface of the cylindrical inner part (60), and the outer peripheral surface undercut portion (80) is relatively opposed to the fitting outer peripheral surface undercut portion (80). An undercut portion (70) for fitting is formed on the inner circumferential surface of the spout portion (20).

The cylindrical cap portion (1) having such a shape is used.
0) and the cylindrical spout (20),
The fitting of the cylindrical inner part (60) is also added, and the fitting of the cylindrical cap portion (10) can be further ensured as well as the sealing performance at the time of re-plugging.

In addition, the cylindrical cap portion (1
0) and the spout portion (20) have difficulty in the structure of the mold for molding the same and the mold release from the mold. For example, as shown in FIG. The outer surface of the spout portion (20) and the peripheral surface may be shaped so that the fitting undercut portion is not provided.

The production of the spout (1) for a soft pouch of the present invention comprises:
Generally, injection molding is used, and the material used is
A mixture of low-density polyethylene, high-density polyethylene, straight-chain polyethylene, polypropylene, and other additives with additives such as lubricants, antistatic agents, and coloring agents, as necessary, is used for moldability and half-cut virgin seal (12). It can be selected as appropriate in consideration of cutting suitability, torsion of the half-cut torsion portion (54), bending strength of the column (50) (preferably weaker), and the like.

The thickness of the support (50) and the substantially bar-like connecting portion (52) constituting the soft pouch plug (1) depends on the size of the soft pouch plug (1), but is about 1 to 5 mmφ. Is preferred. The thickness and width of the thin blade-shaped support (51) and the thin blade (56) are 0.1 to
About 0.5 mm and about 1 to 10 mm are preferable values.

A plug for a soft pouch having the above configuration and shape (1)
It is useful as an oral or enteral meal for retort, or as a mouthpiece for plastic soft pouches or gable-top paper containers for storing fruit juice, jelly, etc., back-in-box, back-in carton, especially Is required,
In addition, it can be used for soft pouches that need to be opened and re-opened by one-handed operation.

[0022]

As described above, the present invention has the following effects. That is, the packaging material attachment portion is provided with a cylindrical spout portion having an extraction port at the tip, and a cylindrical cap portion is provided via a half-cut virgin seal portion so as to cover the extraction port with its head. A plastic spout, wherein a support is provided on the packaging material attaching portion with the cylindrical spout portion interposed therebetween, and the cylindrical cap portion is connected to a substantially bar-like connecting portion horizontally from the tip of both supports via a twist portion. By being connected to the substantially middle part of the outer peripheral surface, it can be opened and re-opened with one hand operation, and in the case of improper opening, it is possible to judge at a glance, and before opening, complete opening It can have a sealing property. Further, it is possible to prevent the cylindrical cap portion from being lost at the time of opening.

Further, the connection between the tips of the two thin blade-shaped supports and the substantially middle portion of the outer peripheral surface of the cylindrical cap portion is made by a thin blade and a twisted portion provided so as to be curved horizontally and upward. Therefore, for re-opening after eating and drinking, the cylindrical cap portion is pushed downward by the repulsive force of the curved thin plate blade, and the set position for fitting to the spout portion is stabilized, and in particular, one-hand operation allows more fitting. Can be easier.

Further, since the cylindrical inner part having a thickness to cover the extraction port of the spout part is provided vertically in the cylindrical cap part, the sealing performance can be ensured when re-plugging.

Further, a fitting outer peripheral surface undercut portion is provided on the outer peripheral surface of the cylindrical inner part, and the fitting inner peripheral surface undercut portion fitted to the fitting outer peripheral surface undercut portion is spouted. Since it is provided on the inner peripheral surface, the sealing performance at the time of re-plugging and the fitting of the cylindrical cap portion can be ensured.

Accordingly, the present invention provides an excellent practical use as an oral plug, an enteral meal or a soft pouch such as fruit juice or jelly, which requires a function of preventing unauthorized opening and opening / reopening with one hand operation. It is effective.

[Brief description of the drawings]

FIG. 1 is an explanatory view showing an embodiment of a plug for a soft pouch of the present invention in a side cross section.

FIG. 2 is a perspective view illustrating one embodiment of a thin blade-shaped support, a thin blade, and the like constituting a plug for a soft pouch according to the present invention. FIG. 2A shows a state before opening. (B)
Indicates the state of recapping.

FIG. 3 is an explanatory view showing one embodiment of a cylindrical cap portion and a spout portion constituting a mouthpiece for a soft pouch of the present invention in a side cross section, and (a) shows a configuration of a cylindrical cap portion. Is shown. (B) shows the fitting state of the cylindrical cap part and the spout part at the time of re-closing.

FIG. 4 is an explanatory view showing, in a side cross section, one embodiment of a plug for a soft pouch according to the present invention before opening a cylindrical cap portion and a spout portion.

FIG. 5 is an explanatory view showing, in a side sectional view, another embodiment of a plug for a soft pouch according to the present invention before opening a cylindrical cap portion and a spout portion.

FIG. 6 is an explanatory view showing one embodiment of a conventional plug for a soft pouch in a side cross section.

[Explanation of symbols]

 1 port plug 4 V groove 6 female screw 7 bulkhead 8 male screw 9 extraction port 10 cylindrical cap 10a cylindrical cap head 11 cap 12 Half cut virgin seal part 20 Spout part 22 Extraction port 30 Packaging material attachment part 32 Peripheral wall on packaging material attachment part 40 Soft pouch 50 Column 51 51 Thin plate blade Pillar 52 ‥‥ Substantially rod-shaped connecting part 54 ‥‥ Twisted part 56 ‥‥ Thin blade 60 ‥‥ Cylindrical inner part 70 ‥‥ Inner surface undercut for fitting 80 外 周 Outer surface undercut for fitting C ‥‥ Container body

Claims (1)

[Claims] A cylindrical spout having an extraction port at a tip thereof is provided at a packaging material attaching section, and a cylindrical cap section is covered with a head thereof by a half-cut virgin seal section so as to cover the extraction port. It is a plastic spout provided, provided with a support on the packaging material attachment portion with the cylindrical spout portion interposed therebetween, and a horizontal rod-shaped connecting portion through a twisted portion horizontally from the tips of both supports. A spigot, which is connected to a substantially middle portion of an outer peripheral surface of a cap.