JPH10157743A - Container - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a container which does not give any fear that it hurts one's hand by the cut edge of a sheet body when one holds it, to us and which has a well self-supporting property. SOLUTION: In a container constituted of a self-supporting container body 1 made of a flexible sheet and a mouth attached to the container body 1, the container body 1 is provided with a corner 4 formed by the bent sheet and the corner 4 is formed as a support piece 6 protruded outward by heat-sealing the inside face of the sheet.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a container formed of a flexible sheet, and more particularly to a bag-like container which is filled with a liquid or a viscous substance and is formed to be free standing.

[0002]

2. Description of the Related Art In recent years, as shown in FIG. 9A, a bag-like shape formed by heat-sealing an edge of a flexible sheet such as a synthetic resin film and a laminate sheet such as aluminum foil. A container 17 in which a separate mouth 12 molded from synthetic resin is attached to the upper end edge of the container body 11 by heat sealing is often used as a container in which a liquid or a viscous body such as a beverage is filled. Have been.

[0003]

This container 17 is shown in FIG.
As shown in (b), the edges of the four sheet pieces are heat-sealed to form a container body 11 having front and rear face pieces 11a, 11b and side gussets 15a, 15b. Each sheet piece is heat-sealed. The sealed portion 13 protrudes outward at the corner of the container body 11.

Since each sheet piece is formed from a synthetic resin film and a laminated sheet of aluminum foil or the like as described above, the sheet body has a certain degree of rigidity. The edge becomes the seal portion 13 in a sharp and hard state.

Therefore, if the tip of the seal portion 13 contacts the palm of the hand when the container body 11 is gripped, not only is it difficult to grip, but if the hand is carelessly slid at the cut edge, the hand may be damaged. . Particularly, in the case of a container in which the mouth portion 12 is attached and the beverage or the like is poured out from the mouth portion 12 or the beverage is directly sucked out from the mouth portion, the container body 11 is used while directly grasping the container body 11 by hand. Therefore, there is a problem as described above.

The container body 11 is provided with the gussets 15a and 15b and the bottom portion 14 as described above, and is formed to be free-standing. However, the gussets 15a and 15 of the conventional container body 11 are formed.
The folding width of b was so small that it did not hinder the sealing of the container body 11 and the mouth portion 2.

For this reason, when the gussets 15a and 15b are expanded to form the container body 11 three-dimensionally, the thickness of the container body 11 is reduced, and the container body 11 is likely to fall back and forth when standing on its own. In particular, when the beverage is filled, careless container body
When the 11 fell, the beverage inside spilled, so it needed to be stable on its own.

SUMMARY OF THE INVENTION The present invention has been made in view of the above-mentioned conventional problems, and provides a container which is less likely to damage a hand due to a cut edge of a sheet when gripped, and has good self-sustainability. As an issue.

[0009]

The present invention has been made to solve such problems as a self-supporting container body 1 made of a flexible sheet member, and a container body attached to the container body 1. In the container consisting of
The container body 1 has a corner portion 4 formed by bending a sheet body, and the corner portion 4 is a support piece 6 projecting outward when the inner surface side of the sheet body is heat-sealed.
It is formed as.

As another means, the container main body 1
Gussets 5a and 5b are formed on both sides of the container body 1 so that one gusset 5a is
And the other gusset 5b is sealed and attached to the other surface Y of the mouth 2 together with the rear sheet 1b of the container body 1.

As another means, the container body 1
Gussets 5a and 5b are formed on both sides of the container body 1 so that the gussets 5a and 5b are sealed together with the sheet piece 1a on one side of the container body 1 on one surface side X of the mouth portion 2, and The tip of both gussets 5a and 5b is 2 to 10mm
In the distance.

As described above, since the container body 1 has the corners 4 formed by folding the sheet, it can be formed from a single sheet, and at the same time, it can be formed by the folding. At the formed corner 4, the cut edge of the sheet body does not protrude and is exposed on the outer surface of the container body 1, and even when the container body 1 is directly gripped by a hand or the like, the cut edge of the sheet body abuts. There is no danger of contact and damage.

Further, since the corner portion 4 of the container body 1 is formed as a support piece 6 whose inner surface side is heat-sealed and protrudes outward, two sheets are sealed when the container body 1 is self-standing. The support pieces 6 support the container body 1 at the four corners, and the self-sustainability is improved.

Further, gussets 5a and 5b which are folded inward are formed on both side surfaces of the container body 1, and one gusset is provided.
5a is sealed on one surface X of the mouth 2 together with the front sheet 1a of the container body 1, and the other gusset 5b is sealed on the other surface Y of the mouth 2 together with the sheet 1b on the rear of the container body 1. If attached, the container body 1 and the mouth 2
Since the gussets 5a and 5b on both sides do not overlap at the mounting portion, the sealing portion has good adhesion and the sealing pressure is stable, so that stable sealing strength can be obtained. Therefore, the container body 1 and the mouth 2 can be securely sealed and can be attached with sufficient strength.
By making the widths of 5a and 5b large, it is possible to form a thick and highly independent container body 1.

The gussets 5a and 5b are connected to the container body 1.
Attached to the mouth 2 together with the sheet piece 1a on one side of
In addition, when the tips of both gussets 5a and 5b have a distance of 2 to 10 mm, the gap between the mouth 2 and the attachment portion of the container main body 1 has a predetermined width between the tips of both gussets 5a and 5b. The sheet piece 1a on one side of the container body 1 and the mouth 2 can be sealed over the entire length of the container body 1, so that a non-sealable portion that cannot be sealed at the mounting portion of the mouth 2 and the container body 1 hardly occurs.
And the container body 1 can be surely adhered and sealed.

[0016]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS An embodiment of the present invention will be described below with reference to the drawings. First, the configuration of the container of the present invention will be described. 1 to 4 are formed by forming a single sheet into a cylindrical shape, and then folding the sheet so that the four sides are formed into corners. Container body.

As shown in FIG. 4, the container body 1 has front and rear pieces.
Gussets 1a, 1b and gussets 5a, 5b on both sides are provided via corners 4, respectively. Of the four corners 4, the three corners 4 are formed by bending the sheet body, and the inner surface side of the sheet body is heat-sealed with a width of about 3 to 8 mm to protrude as a support piece 6 to the outer surface side. ing.

At the other corner 4, the overlapping portion 9 of the sheet body is heat-sealed at its inner surface as shown in FIG. 5A, and the leading end is bent as shown in FIG. It is formed as a support piece 6 like the other three corners 4.

In order to form such a container body 1 from a sheet, for example, as shown in FIG. 6 (a), the inner surfaces of both ends of the sheet are combined to form a superposed section 9, and the superposed section 9 of the sheet is formed.
After bending the end portions of the gussets 5b and the gussets 5a and 5b to form the corner portions 4, as shown in FIG.
Is heat-sealed at the tip. Then, the four corners 4 can be formed as the support pieces 6 as described above.

FIG. 6 shows one sheet of the superposed section 9.
As shown in (a), a plurality of pairs of sealing holes 7 are formed in the vertical direction, and the heat sealing surface of the other sheet body is exposed. By sealing, the heat seal hole 7 is fixed so as to maintain the bent state.

As shown in FIG. 6A, a notch 8 is formed on one gusset 5a at the upper end near the corner 4 of the gusset 5a, so that the front and rear pieces 1a, 1b of the sheet body are formed. When the heat sealing surfaces of the container body 1 are exposed and the upper edge of the container body 1 is heat-sealed, the front and rear pieces 1a and 1b of the container body 1 can be fixed at the position of the notch 8 at the upper edge. it can. Similarly, on the other gusset 5b side, the front and rear pieces 1a and 1b of the container main body 1 are fixed at the position of the notch 8, but in the overlapping portion 9, the notch 8 is formed on the rear piece 1b side of the container main body 1. As a result, the tip of the overlapping portion 9 is gusseted as described above.
When bent to the 5b side, the notch 8 is the front piece of the gusset 5b.
Heat sealing can be performed facing the sheet body of 1a.

The bottom portion 3 of the container body 1 is formed by sealing the front and rear pieces 1a, 1b and the lower portions of the gussets 5a, 5b so as to become thinner toward the lower center as shown in FIG. Is formed. When the gussets 5a and 5b are expanded, the bottom surface 3 becomes a substantially square bottom surface, and the container body 1 becomes self-supporting.

As the material of the sheet body of the container body 1, a gas barrier film such as a polyester film such as polyethylene terephthalate, a polyamide film or the like and an aluminum foil, an ethylene vinyl alcohol copolymer film, or a film on which an inorganic substance is vapor-deposited. Any material can be used, such as a laminated film in which a layer of heat-sealable resin such as polyethylene or polypropylene is formed on the inner surface of the laminated film, or any other material such as a synthetic resin film. What is necessary is just to be able to store drinks and other objects to be stored.

Reference numeral 2 denotes a mouth portion 2 which is simultaneously clamped when the upper end edge portion of the container body 1 is heat-sealed in a flat shape and sealed at the same time. 2b
And a lid 2c which is detachably mounted, for example, by being screwed into the spout 2b. The mounting portion 2a and the spout 2b of the mouth portion 2 are integrally formed from a synthetic resin having thermal adhesion to the inner surface of the container body 1 such as polypropylene or polyethylene.

The mouth 2 and the container body 1 are attached and sealed between the front piece 1a and the rear piece 1b of the container body 1 at the upper edge. As shown in FIG. 2, the upper ends of the gussets 5a and 5b are heat-sealed to one surface X of the mounting portion 2a of the mouth together with the front piece 1a of the container body 1, and the other gusset is
5b is the other side Y of the mounting portion 2a together with the rear piece 1b of the container body 1.
The mouth 2 is attached to the upper end of the container body 1.

When the mouth 2 and the container body 1 are attached by heat sealing, the mouth 2 is
If the sheet is preheated to about ° C and then heat-sealed with the container body 1, the sheet can be more reliably sealed.

When the container 10 having such a configuration is used as, for example, a beverage container, first, the lid 2 is opened from the mouth 2.
2c is removed and the beverage inside the container body 1 is sucked out from the spout 2b of the mouth 2 or poured into a cup or the like for drinking.
At this time, the container body 1 is used while grasping the outer surface thereof by hand.

Therefore, when the container body 1 is directly gripped by the hand or the like, the support piece 6 projecting from the outer surface of the container body 1 comes into contact with the hand. The support piece 6 is formed by bending the sheet body. Because the cut edge of the sheet body does not touch the hand, the hand hurts when grasped,
There is no risk of injury. Also, even if there is a portion of the overlapping portion 9 where the seal is insufficient, since the portion is bent, the internal solution does not leak therefrom.

Furthermore, when such a container body 1 is made to stand alone, the width of the gussets 5a and 5b is large, so that the container body 1 can be made to stand by itself with a large bottom area and high stability. Also, since the support pieces 6 projecting from the corners 4 are heat-sealed,
It has a predetermined strength, supports the container body 1 to be self-supporting, and can more stably self-support. In particular, in the case of a container for storing a liquid such as a beverage, the inside of the beverage or the like may be spilled when the container falls down, and therefore, the container 10 that can stably stand alone is suitable.

In the above embodiment, the gussets 5a and 5b on both sides are alternately heat-sealed to the mounting portion 2a of the mouth 2 at the mounting ends of the container body 1 and the mouth 2, respectively. The heat-sealing positions of the gussets 5a and 5b in the mounting portion 2a of the container body 1 and the mouth 2 are not limited to this. For example, as shown in FIG. It may be attached to the mouth 2 by heat sealing.

In this case, the gussets 5a and 5b are formed so as to have a predetermined length d (about 2 to 10 mm) between the leading ends of the gussets 5a and 5b. In this case, the mounting portion 2a of the mouth portion 2
The rear piece 1b of the container body 1 is heat-sealed on the entire surface, so that the sealing property by heat sealing is improved. The front piece 1a of the container body 1 also extends over a predetermined width d between the front end portions of both gussets 5a, 5b. Since the front piece 1a and the mouth portion 2 are directly heat-sealed, there is almost no possibility that a non-sealed portion such as a pinhole is generated. Therefore, it is possible to reliably maintain the sealing between the mouth 2 and the container body 1 to prevent the leakage, and at the same time, fold the gussets 5a and 5b to the position of the mouth 2 so that the container body 1
Can be increased in thickness.

Further, in the above embodiment, the container body 1
As the mouth portion 2 to be attached to, the one having a cylindrical spout 2b in the center of the attachment portion 2a was used, but the shape, material, etc. of the mouth portion are not limited to this, for example, It is also possible to attach the mouth to which the straw is attached, remove the lid, and suck the internal beverage or the like from the mouth through the straw.

Further, in the above embodiment, the container body 1
Is formed from one sheet so that the overlapping portion of the sheet body is located at one corner 4, and the overlapping end is bent at the corner 4 to form the support piece 6. The portion may not be located at the corner portion 4, but may be located at, for example, the front and rear side pieces 1 a and 1 b of the container body 1 and the central portion of both gussets 5 a and 5 b.

It is not a condition that all of the corners 4 are formed by bending the sheet body. For example, as shown in FIG. 8, the overlapping portion of the sheet body protrudes outward on one corner 4a. The other three corners 4 may be the container body 1 formed by bending the sheet body. The point is that the container body 1 having the corners 4 formed by folding the sheet body in which the cut edge of the sheet body does not protrude toward the outer surface may be formed.

[0035]

As described above, according to the present invention, a simple container made of a sheet body can be stably self-supported.
Even when a container body having a height is formed, the container body can be stably self-supported, and a large-capacity self-supporting container can be easily provided. Further, since the sharp cut edge of the sheet body does not protrude on the outer surface of the container, particularly when formed as a container to be used while being held by hand, such as a beverage container, the contact with the palm is soft. It's easy to do.

[Brief description of the drawings]

FIG. 1 is a front view showing an example of an embodiment of a container of the present invention.

FIG. 2 is a plan view of FIG. 1;

FIG. 3 is a perspective view showing a use state of the container of the present invention.

FIG. 4 is an end view taken along line AA of FIG. 3;

5A is an enlarged view of a main part showing a state where a sheet body is superimposed, and FIG. 5B is an enlarged view of a main part showing a state where the sheet body is folded.

FIG. 6A is a partially omitted perspective view showing a state where the sheet body is bent, and FIG. 6B is a partially omitted perspective view showing a state where the sheet body is heat sealed.

FIG. 7 is a plan view showing a container according to another embodiment.

FIG. 8 is an end view showing a container according to another embodiment.

9A is a perspective view showing a conventional container, and FIG. 9B is an end view taken along the line BB of FIG. 9A.

[Explanation of symbols]

 DESCRIPTION OF SYMBOLS 1 Container main body 2 Mouth 4 Corner 5a, 5b Gusset 6 Supporting piece

Claims (3)

[Claims] 1. A container comprising a self-supporting container body (1) made of a flexible sheet and a mouth (2) attached to the container body (1), wherein the container body (1) ) Has a corner (4) formed by bending the sheet body,
In addition, the corner portion (4) is formed as a support piece (6) projecting outward by heat sealing the inner surface side of the sheet body. 2. A gusset (5a) or (5b) which is folded inward on both sides of the container body (1), and one gusset (5a) is provided on the front side of the container body (1). Sealed on one side (X) of the mouth (2) together with 1a) and the other gusset (5b)
Is the mouth (2) together with the sheet (1b) on the rear side of the container body (1).
2. The container according to claim 1, wherein the container is sealed on the other side (Y) of the container. 3. Gussets (5a) and (5b) which are folded inward on both sides of the container body (1) are formed.
(5a) and (5b) are sealed together with the sheet piece (1a) on one side of the container body (1) on one side (X) of the mouth (2), and both gussets (5a) and (5b) ) Is 2 to 10m
2. The container according to claim 1, having a spacing of m.