JP2003261150A - Bag-shaped container having self-supportability - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To provide a bag-shaped container which does not make a holder feel a pain by a sealed part of a sheet when the holder holds a container body, gives the holder no uncomfortable feeling, and improves the self-supportability of the container body. <P>SOLUTION: The body of the bag-shaped container having self-supportability has a containing part that is to be filled with contents, and is made by heat sealing the sheet having flexibility. According to the container, folding strip parts are extended from the sealed part demarcating the containing part and are folded toward the containing part to maintain the stance of the container. <P>COPYRIGHT: (C)2003,JPO

Description

Detailed Description of the Invention

[0001]

TECHNICAL FIELD The present invention relates to various liquids such as sports drinks and fruit juice drinks, alcoholic beverages, seasonings such as sauces and dressings, shampoos, lotions, liquid detergents, oils, and other liquids having viscosity. The present invention relates to a bag-shaped container having an optimum self-supporting property for filling contents such as body, salt, granules such as sugar and pepper, powder such as wheat and cocoa.

[0002]

2. Description of the Related Art Conventionally, as a bag-shaped container made of a sheet, for example, a self-supporting bag-shaped container called a self-standing standing pouch is known. Such containers are used for filling contents such as various liquids such as sports drinks and fruit juice drinks.

The container is composed of a flexible sheet body 40 as shown in FIGS. 13 (a) and 13 (b).
And a spigot 41 for taking out the liquid filled in the container body 40. The container body 40
Is a pair of side wall portions 43 whose both edges 43a are heat-sealed.
And a gusset-shaped bottom wall portion 44 heat-sealed with the side wall portion 43, and the spigot 41 heat-seals the upper edge portions 43b of both side wall portions 43, 43 into a flat shape, It is attached to the upper edge portion 43b.

There is also a bag-shaped container which does not have the above-mentioned stopper and is formed by cutting the upper part of the container body 40 to form a take-out port.

[0005]

However, in the bag-shaped container body, both edge portions 43a of the pair of side wall portions 43, 43 are provided.
Since they are in the form of a side seal bag for heat-sealing, etc., the edge portions (sealing portions) 43a that are bonded to each other and have strength are exposed. Therefore, when the consumer holds the container body 40 by the whole hand when pouring out or squeezing out the contents, the edge portion 43a that is hard and protrudes due to the heat seal is placed on the palm. When pressed, he felt pain and was uncomfortable.

Further, since the amount of the bag-shaped container decreases as the contents are taken out, the upper side of the container body 40 tends to be bent and the self-sustaining property tends to be deteriorated.

The present invention has been made in view of the above-mentioned conventional problems, and when the container body is gripped, no pain is caused by the seal portion of the sheet body, no discomfort is given, and , It is an object to improve the independence of the container body.

[0008]

The present invention has been made to solve the above-mentioned problems, and the first technical means thereof is to heat-seal a flexible sheet body to obtain the contents. In a self-supporting bag-shaped container in which a container body having a storage portion filled with is formed, a bending piece portion is extended from a sealing portion that partitions the storage portion, and the bending piece portion is on the storage portion side. It lies in that it is bent and its posture is maintained.

Since the seal portion which divides the storage portion is not projected or exposed by bending the bent piece portion toward the storage portion side, when the container body is gripped, the seal portion causes pain. I don't feel it. Moreover, the bent piece portion has a reinforcing effect by being bent toward the accommodating portion side, and even if the upper side of the container body is flattened due to a decrease in contents, it is difficult to bend. The independence of the container body can be improved.

A second technical means is a self-supporting bag-shaped container in which a container body having a storage portion filled with contents is formed by heat-sealing a flexible sheet body. Bending piece portions are respectively extended from the seal portions on both sides which divide the accommodating portion, and each bending piece portion is bent toward the accommodating portion side, and a label is attached to both of the bent bending piece portions. Especially.

Since the seal portion which divides the storage portion is not projected or exposed by bending the bent piece portion toward the storage portion, when the container body is gripped, the seal portion causes pain. I don't feel it. Moreover, the bending piece is bent toward the accommodation portion, and
Since the label is attached, it has the effect of reinforcement,
Even if the contents are reduced, the self-supporting property of the container body can be improved.

A third technical means is a self-supporting bag-like container in which a container body having an accommodating portion filled with contents is formed by heat-sealing a flexible sheet body. A bending piece portion is extended from a seal portion that divides the accommodating portion, and the bending piece portion is bent toward the accommodating portion side, and a label is attached to the bent bending piece portion and the accommodating portion. It is in.

Since the seal portion that divides the storage portion is not projected or exposed by bending the bent piece portion toward the storage portion, when the container body is gripped, the seal portion causes pain. I don't feel it. Moreover, the bending piece is bent toward the accommodation portion, and
Since the label is attached, it has the effect of reinforcement,
Even if the contents are reduced, the self-supporting property of the container body can be improved.

A third technical means is that a projecting portion projecting laterally is further formed on the upper portion of the bent piece portion. In such a case, the projecting portion functions as a stopper to prevent the container body from slipping off, and the prominent projecting portion on the upper part of the container body can increase the display area, so that the projecting portion can be effectively used as an advertising space.

DETAILED DESCRIPTION OF THE INVENTION

An embodiment of the present invention will be described below with reference to the drawings. 1 to 3 show a bag-shaped container as a self-standing standing pouch according to a first embodiment of the present invention. In the figure, reference numeral 1 denotes a container body formed by forming a flexible sheet into a bag shape. Inside the container body 1, various liquids such as sports drinks, fruit juice drinks, lotions, liquid detergents, etc. The contents of are filled.

The container body 1 is composed of a pair of side wall portions 5 and 5 formed of a flexible sheet body, and a bottom formed in a gusset shape so as to be positioned below the side wall portions 5 and 5. It consists of a wall 6. In addition, the part with a dot shows the seal part of the sheet body. Specifically, as shown in FIG. 2A, the left and right vertical seal portions 8 that partition both sides of the storage portion 7 filled with the contents, and the bottom side of the storage portion 7 are defined as described above. A bottom seal part 9 for heat-sealing the side wall parts 5, 5 and the bottom wall part 6, an upper seal part 10 for heat-sealing the upper edge parts of the side wall parts 5, 5 and both sides from each vertical seal part 8. And a bent piece seal portion 13 for heat-sealing the outer periphery of the bent piece portion 12 that is extended. It should be noted that both of the vertical seal portions 8 are inclined upward so that the distance between them becomes narrower.

The bent piece seal portion 13 is provided in the accommodating portion 7.
Is provided from the lower end to the middle part above. That is, the left and right side wall portions 5, 5 are formed with the protruding portions 15 protruding leftward and rightward, and the bent piece portion 12 is formed from the base portion of the protruding portion 15 via the recess portion 17 to be more than the protruding portion 15. Long protruding in the left-right direction.

The material of each sheet constituting the container body 1 is not particularly limited as long as it has flexibility. For example, a polyester film such as polyethylene terephthalate or a polyamide film can be used. Laminated film with a layer of heat-sealable resin such as polyethylene or polypropylene on the inner surface,
Any material such as a film laminated with gas barrier film such as aluminum foil, ethylene vinyl alcohol copolymer film or film deposited with inorganic material, other synthetic resin film, etc. can be used, the point is that the inner surface can be heat sealed What is necessary is that the inside of the container can be filled with a drink or other intended contents.

Reference numeral 20 denotes a cylindrical plug for filling and withdrawing the contents in the accommodating portion 7 of the container body 1. The plug 20 is an upper edge portion (upper seal) of the container body 1. Part) 10
It is composed of a mounting portion 22 that is sandwiched at the same time when heat sealing and sealing each other, and a cap 25 that is detachably screwed into a mouth portion 23 of the mounting portion 22. If the content is a fluid content such as a sports drink or a fruit juice drink, and if the spout 20 also has a function as a straw, it is extended from the mounting portion 22 into the container body 1. It is also possible to integrally provide a conduit part and the like (not shown).

Both of the bent piece portions 12 are provided on a folding ruled line (in this embodiment, they are provided on the inner line of the vertical seal portion 8, but they may be provided along the center or the outer line of the vertical seal portion 8). It may or may not be provided.) 27 is a fulcrum and is bent to the one surface side of the housing portion 7. Further, the upper portions of both of the bent pieces 12 overlap each other. Further, a label (fixing means) 28 on which a predetermined display is printed is attached to both of the bent pieces 12 in order to maintain the bent posture. The label 28 has, for example, a trapezoidal shape along the shape of the container body 1 as shown in FIG.
It is attached over. The label 28 is attached to the housing portion 7 in addition to the both bent piece portions 12.

Further, the label 28 is not provided up to the lower end of the container body 1, and the lower part 1 of both of the bent pieces 12 is not attached.
2a is exposed. Therefore, since the lower portions 12a of both of the bent pieces 12 are slightly open, the lower portions 12a are grounded to improve the stability of the container body 1 which is self-standing.

The bag-shaped container having the above-mentioned structure is used, for example, as shown in FIG.
The container body 1 is gripped with 0, and the cap is loosened with the other hand (not shown) to tilt the container body 1. In the bag-shaped container of the present embodiment, since the bending piece portion 12 is bent as described above, the vertical seal portion 8 formed on the container body 1 does not project or be exposed. Therefore, even if an arbitrary portion in the circumferential direction of the container body 1 is gripped, the vertical seal portion 8 does not cause pain and does not cause discomfort.

Moreover, since both of the bent pieces 12 are bent so as to overlap with each other on the accommodation portion 7 side, and the label 28 is attached to the bent pieces 12, the container body 1 is not rigid. It becomes stronger and has a reinforcing effect.
Therefore, even if the upper portion of the container body 1 becomes flat when the content is reduced, the container body 1 is unlikely to bend and can be left standing.

In a rigid container such as a resin molded container,
Although the amount of air used for the contents flows backward, causing the contents to oxidize and damp, the bag-shaped container of the present embodiment has good self-sustainability, and is therefore equivalent to a container having rigidity. In addition to providing a feeling of use, the cap 25 is screwed into the mouth portion 23 to seal the inside of the container body 1 after deaeration. Optimal.

Moreover, at the top of the container body 1, the protrusion 1
Since 5 is formed, when the tapered container body 1 having a smaller diameter toward the upper side is gripped by one hand 30,
The protruding portion 15 has a function of a stopper, and the container body 1
There is no risk of accidentally slipping off.

Further, the bag-shaped container provided with the protruding portion 15 becomes more noticeable when it is displayed in a store or the like, and since the easily visible protruding portion 15 can increase the display area, the protruding portion 15 is advertised. It can be effectively used as a space.

FIG. 4 shows a second embodiment of the present invention,
The same members as those in the first embodiment are designated by the same reference numerals and the description thereof will be omitted. In the present embodiment, a mouth portion 31 is provided above the pair of side wall portions 5 and 5 in place of the mouth plug, and the mouth portion 31 is cut. Reference numeral 32 is an upper seal portion formed by heat-sealing the upper portions of both side wall portions 5, 5.
Is a linear sealing means such as a so-called chuck provided on the inner surfaces of the side wall portions 5 and 5 and below the upper seal portion 32 so as to be detachable from each other.

5 and 6 show a third embodiment of the present invention. The same members as those in the first and second embodiments are designated by the same reference numerals and the description thereof will be omitted. In the present embodiment, the bending piece portion 12 is provided on one side of the housing portion 7, and, like the second embodiment, the mouth portion 3 is provided.
1 is cut. Incidentally, 34 is a notch that triggers the breakage of the mouth portion 31, which is formed on both or one of the vertical seal portions 8 and between the upper seal portion 32 and the sealing means 33. The notch 34 can also be formed in the bag-shaped container of the second embodiment.

In the present embodiment, the bending piece 12 is extended only on the side of the vertical seal portion 8a on one side of the accommodating portion 7, and the vertical seal portion 8b on the other side is exposed without being bent. However, as shown in FIG. 6, it is possible to prevent the pain of the seal portion 8a from being felt by directing the one vertical seal portion 8a on the bent piece portion 12 side toward the palm side of the one hand 30. The bag-shaped container according to the present embodiment has a bent piece portion 12
Is provided on one side of the housing portion 7 and the vertical seal portion 8a is not inclined, there is an advantage that the mouth portion 31 can be enlarged.

FIG. 7 shows a fourth embodiment of the present invention. The same members as those in the third embodiment are designated by the same reference numerals and the description thereof will be omitted. In the present embodiment, the upper edge of the bent piece portion 12 of the bag-shaped container shown in the third embodiment is opened without heat sealing. Thus, by forming the opening 35 at the upper edge of the bent piece 12,
The bending piece portion 12 can be provided with a pocket portion 36 that is independent of the accommodation portion 7. Then, in the pocket portion 36, for example, a prize or the like when carrying out a campaign can be stored.

As the label 28, for example, a label having a circular shape or the like can be attached so as not to hinder the formation of the opening 35 at the upper edge of the bent piece 12.

The present invention is not limited to the above embodiment, and the side wall portion 5 can be formed by folding a single sheet body in two as shown in FIG. Moreover,
The shape and size of the container body 1 and the label 28 are not particularly limited.

As compared with the first embodiment, the embodiment shown in FIG. 9 has a beautiful and neat design in which the protrusion 15 is eliminated. Therefore, the same members are designated by the same reference numerals and the description thereof is omitted.

In the embodiment shown in FIG. 10, the second embodiment has a structure in which both the bending piece portions 12 are attached with a label, whereas the bending piece portion 12A without using the label. , 12B are fixed.

That is, both of the bent pieces 12A, 12B
Sealant layers 37a, 37b on the overlapping surfaces of
Is used to fix the bending pieces 12A and 12B so as to maintain the bending posture. Specifically, the sealant layer 37a is exposed on the outer surface side of one of the bending piece portions 12A, and the sealant layer 37b is exposed on the inner surface of the other bending piece portion 12B.
12B are overlaid on each other to form sealant layers 37a, 37
b is spot-heat-welded. In this embodiment, the sealant layers 37a and 37b serve as fixing means.

Further, the container body 1 and the one bent piece 1
2A is bonded with an adhesive and the other bent piece 12
B may be adhered to the accommodating portion 7 or one of the bent piece portions 12A with an adhesive. Means for applying the adhesive include, for example, applying hot melt with a nozzle,
Alternatively, hot melt can be applied by printing, and the means therefor is not particularly limited. Further, even if the adhesive is applied to the housing portion 7 and both of the bending piece portions 12A and 12B like spots, both of the bending piece portions 12 may be applied.
Bending piece 12A, so that A and 12B do not turn over
It may be provided linearly along the bent piece seal portion 13 of 12B. In such a case, the adhesive serves as the fixing means. As the fixing means, a pressure-sensitive adhesive or a heat-sensitive adhesive may be applied to the whole or a part of both of the bent piece portions 12A and 12B.

FIG. 11 shows a modification of the second embodiment of the present invention, in which a plurality of nozzle holes 32a are formed in a comb-teeth shape in the upper seal portion 32 of the mouth portion 31. In the present embodiment, as shown in FIG. 7B, when the content is fluid such as mayonnaise or cream, it can be used as a nozzle by cutting the upper end of the upper seal portion 32. I have to.

FIG. 12 shows a fifth embodiment of the present invention. The bag-shaped container according to the present embodiment has a sealant layer 37 on the inner surface of each of the bent piece portions 12.
Is exposed and both sealant layers 37 are heat-welded, so that the bent piece portions 12 are bonded together.

The present invention is not limited to the above-mentioned respective embodiments, and, for example, by adopting a sheet body forming the container body 1 having a heat-welding film laminated on the surface thereof, The entire surface of the bent piece may be directly heat-welded. In such a case, the sheet body itself serves as the fixing means.

Further, in the case of having a plurality of bending piece portions 12 shown in the first embodiment and the second embodiment, as shown in FIG. 10, both of the bending piece portions are previously spotted. The label may be attached after heat sealing. By temporarily fixing both of the bent pieces in advance, the label can be reliably and easily attached to the container body. It is also possible to appropriately provide a hanging hole at the bottom of the container body.

[0041]

As described above, according to the present invention, since the seal portion for partitioning the accommodating portion has the bent piece portion bent toward the accommodating portion, when the container body is gripped, the seal portion causes pain. It does not cause any discomfort.
Moreover, since the bent piece is bent toward the accommodating side and maintains its posture, it has a reinforcing effect and improves the self-supporting property of the container body even if the contents are reduced. There is also an advantage.

In addition, in the form in which the bent piece is fixed with a label so as to maintain its posture, the product can be displayed at the same time, and the productivity is good with a simple structure.

Further, in the case where a projecting portion projecting in the lateral direction is formed on the upper portion of the bent piece portion, the projecting portion is locked in the hand from above and exerts the function of the stopper. There is an advantage that the main body can be prevented from slipping carelessly. In addition, since the prominent protrusion can increase the display area, the protrusion can be effectively used as an advertising space.

[Brief description of drawings]

FIG. 1 is an overall perspective view showing a first embodiment of the present invention.

FIG. 2 shows an embodiment of the present invention, in which (a) is a front view before folding both bending pieces, and (b) is a front view showing a state where both bending pieces are folded. is there.

3 is a cross-sectional view taken along the line AA of FIG.

FIG. 4 shows a second embodiment of the present invention, in which (a) is a front view before folding both bending pieces, and (b) is a front view in a state where both bending pieces are folded. is there.

FIG. 5 shows a third embodiment of the present invention, (a) is a front view before folding the bending piece portion, and (b) is a front view in a state where the bending piece portion is folded.

FIG. 6 is a cross-sectional view of a state in which the container body is gripped.

FIG. 7 shows a fourth embodiment of the present invention, (a) is a front view of a folded piece, and (b) is a cross-sectional plan view of a container body filled with contents. .

FIG. 8 is a sectional plan view showing another embodiment of the present invention.

FIG. 9 is an overall perspective view showing a modified example of the first embodiment.

FIG. 10 shows a modified example of the second embodiment, in which (a) is
Front view before folding both bending pieces, (b) is
It is a front view of the state which folded both bending piece parts.

FIG. 11 shows a modified example of the second embodiment, in which (a) is
Front view with both bent pieces folded, (b)
[Fig. 4] is a perspective view showing a usage state.

FIG. 12 is a perspective view showing a fifth embodiment of the present invention.

FIG. 13 shows a conventional example, (A) is an overall front view of the bag-shaped container, and (B) is a sectional view taken along the line BB of (A).

[Explanation of symbols]

DESCRIPTION OF SYMBOLS 1 ... Container main body, 5 ... Side wall part, 6 ... Bottom wall part, 7 ... Storage part,
8 ... Vertical seal part (seal part), 8a ... One vertical seal part, 8b ... The other vertical seal part, 12 ... Bending piece part, 1
5 ... Projection, 28 ... Label (fixing means)

Continued front page    F term (reference) 3E064 AA05 AB11 AB23 BA22 BB03                       BC18 EA05 FA03 HA02 HF08                       HF09 HG01 HM01 HN05

Claims (4)

[Claims] 1. A self-supporting bag-shaped container in which a container body having an accommodating portion filled with contents is formed by heat-sealing a flexible sheet body to define the accommodating portion. A bag-shaped container having self-supporting property, wherein a bending piece portion is extended from a seal portion, and the bending piece portion is bent toward the accommodation portion side and the posture thereof is maintained. 2. In a self-supporting bag-shaped container in which a container body having a container filled with contents is formed by heat-sealing a flexible sheet body, the container is defined. Folding piece portions are respectively extended from the seal portions on both sides, each bending piece portion is bent toward the accommodation portion side, and a label is attached to both of the bent bending piece portions. Bag-shaped container with properties. 3. A self-supporting bag-shaped container in which a container body having an accommodating portion filled with contents is formed by heat-sealing a flexible sheet body to define the accommodating portion. A self-supporting structure characterized in that a bending piece portion is extended from the seal portion, the bending piece portion is bent toward the accommodating portion side, and a label is adhered across the bent bending piece portion and the accommodating portion. Bag-shaped container having. 4. The self-supporting bag-shaped container according to claim 1, wherein a projecting portion projecting laterally is formed on an upper portion of the bent piece portion.