JP7116980B2 - bag - Google Patents

Description

The present invention relates to a structure of a bag body, which has a structure in which an opening of the bag body can be opened wide and an article to be stored can be stored in the back of the bag body.

A generally used bag has a sealed state in which the bottom and sides are fused together. It can be stored.
Therefore, it is necessary to put things to be stored through this opening, and in order to make it easier to store, a wide bag body is used so that the opening of the opening can be widened.
Furthermore, for example, as a structure for maintaining the opening of the opening, there is a structure shown in Japanese Patent Application Laid-Open No. 10-203541 (Patent Document 1).

This is a configuration that can maintain the opening of the opening.
In addition, as a prior art example in which folded portions are formed in the bottom and side portions so that the content of the bag can be increased, there is also the configuration of the square-bottomed bag disclosed in Japanese Patent Application Laid-Open No. 2003-300535 (Patent Document 2). exist.
In particular, a bag having sheet-like front and back surfaces requires a wide body in order to facilitate the storage and removal of items to be stored. One of the most effective means is to form a wide bag body by forming folded portions on the sides.

JP-A-10-203541 Japanese Patent Application Laid-Open No. 2003-300535

As described above, it is necessary to widen the opening of the bag in consideration of the easiness of the storage when storing the items to be stored in the bag.
For this purpose, it is the easiest structure to obtain a wide opening by widening the cylindrical body of the bag.
However, even in this case, the width of the opening of the bag is limited to the width of the bag.

Especially when it comes to putting things in the opening of the bag during storage, it is absolutely necessary to firmly grasp the object to be stored, especially when the size of the object to be stored is about the same as the size of the opening. In such cases, it is necessary to firmly grasp the stored items when holding them with the hand.
Especially in the case of foodstuffs, etc., applying too much force not only damages the foodstuffs, but also can lead to deterioration in quality.

Furthermore, since it is a prerequisite to touch with hands, it is unavoidable to use gloves or the like.
Even in this case, it is inevitable that the food will be scratched or deteriorated due to contact with the food.
Furthermore, in such a state, it is necessary to work carefully, and it takes too much time and effort to pack foods and the like.
Therefore, it is desired to provide a bag that can be easily stored in the bag while minimizing the possibility of touching the bag with the hand.

In order to solve the problem, the invention according to claim 1 is a bag body having a bottom portion composed of a top sheet and a back sheet, wherein the side edges of the front and back sheets are fused together. At least the lower part of the bag is fused, and both side parts of the upper part of the bag are not fused. It has a fold-back part folded into a fold, an extension sheet is provided on the upper part of the back sheet, and the extension sheet is fused to the front side of the back sheet. The back sheet and the extension sheet are formed as sheets longer than the top sheet, the opening of the bag body is positioned at the folded part of the folded part, and the extension sheet and the folded part of the bag body are held by hand. Thus, the opening of the bag can be opened, and when the article is placed on the extension sheet, the article can be stored from the opening .

Further, the invention according to claim 2 is a bag body in which the side portions of the front and back sheets are fused or adhered instead of being fused at the side portions of the front and back sheets.

Further, the invention according to claim 3 may be a bag body in which the extension sheet on the upper part of the backsheet is welded or adhered instead of being fused to the front side of the backsheet.
In addition, as in the invention according to claim 4 , a bag having a reinforcing sheet on the back side of the back sheet may be used.

With the construction as described above, first, the opening of the bag can be positioned between the topsheet and the backsheet by the invention according to claim 1, and an object to be put in the bag can be placed on the topsheet. It is possible to provide a bag body in which an object to be put in the bag body can be easily put into the bag body by its own weight when the bag body is lifted by grasping the folded part and the back sheet.

This makes it possible to provide a bag in which an object placed on the bag can be put into the bag when the bag is lifted.
As a result, it is possible to improve the efficiency of the bagging work into the bag body, and the bagging work can be easily performed.
Furthermore, by lifting the bag by grasping the folded part of the top sheet and the back sheet of the bag, the object to be put in the bag can be easily put into the bag, and the object can be touched as much as possible. can be reduced.
Therefore, it can be hygienically and safely handled, and for example, perishables can be hygienically bagged.

Next, according to the second aspect of the present invention, the side edges of the bag are not limited to being formed in a tight state by fusion bonding, but may be welded or bonded, as long as the side edges of the bag are formed. good.
In particular, in order to prevent the moisture from perishables containing moisture from leaking outside, fusion bonding that creates a sealed state is optimal, but even if welding or adhesion is used, inadvertent moisture content can be prevented. can be prevented from leaking, such a configuration may be adopted.

In addition, it is possible to diversify the method of making bags.
Furthermore, according to the invention of claim 1 , the extension sheet can be extended to the back sheet, and the bag body can be formed which is easier to hold when putting the items to be stored in the bag body, and the efficiency of the bagging work can be improved. It will be possible.
In particular, since the extension sheet is fused to the front side of the back sheet, the extension sheet is positioned toward the inside of the bag from the back sheet.
When an object to be stored is placed on the bag, this makes it easier for the object to enter the bottom of the bag when the bag is lifted.

Therefore, the efficiency of the bagging work can be maintained at a higher level.
Next, according to the third aspect of the present invention, various bag-making methods can be used in forming the extension sheet, and efficiency and diversity in bag-making can be obtained.

Furthermore, according to the fourth aspect of the present invention, a reinforcing sheet can be provided on the back side of the back sheet, so that the strength of the back sheet can be increased when the bag is lifted during packing.
Therefore, for example, when the bag is lifted with an object placed on it and the object is put into the bag, it is possible to prevent the back sheet from inadvertently bending due to the weight of the object. It is possible to make it easier to enter the bag along the back sheet or the like by the self weight of the article into the bag.
As described above, it is possible to provide a hygienic bag body while maintaining high bagging efficiency, in addition to being extremely user-friendly.

The figure which shows an example of the bag body which concerns on this invention. FIG. 1 is an end view along AA line of an example of the bag body according to the present invention shown in FIG. The figure which shows an example of the state which held the bag body which concerns on this invention shown in FIG. 1 with a hand. The figure which shows an example of the state which placed the object which should be accommodated in the bag body which concerns on this invention shown in FIG. The figure which shows an example of the state which held the bag body which concerns on this invention shown in FIG. 4 by hand. The figure which shows another example of the bag body which concerns on this invention.

The bag body 1 shown in FIG. 1 is a diagram showing an example of a bag body in which the opening of the bag body 1 can be widened when storing an item to be stored and the item can be easily stored inside the bag body 1. .
First, the bag 1 has a square bottom, and when the contents are stored, the bottom of the bag 1 becomes wide and can store a large amount of contents.
The bag body 1 is composed of front and back surfaces, and both sides of the bag body 1 are fused in the lower direction to the central part to form the side parts 4, and both side parts in the upper direction near the opening of the bag body. are not fused and are configured as respective openings.

The upper part of the top sheet 2 of the bag body is folded in a mountain fold, and a folded part 20 is folded in the surface direction of the bag body 1.例文帳に追加
Further, in the configuration shown in the figure, the topsheet 2 and the backsheet 3 constituting the front and back surfaces are fused up to the side edge portions 4 up to the folding portion 20 of the mountain fold of the topsheet 2 .
Further, the back sheet 3 has an extension sheet 30 fused thereto, and the upper part of the back sheet 3 is extended by the extension sheet 30 .

As a result, even when the mountain-folded portion of the folded portion 20 of the top sheet 2 is stretched, the back sheet 3 and the extension sheet 30 are longer sheets.
Further, the extension sheet 30 is fused on the front side of the sheet material of the back sheet 3, that is, on the front side of the inner surface of the bag body. can be folded.
That is, since the extension sheet 30 is fused to the inside of the bag 1, the extension sheet 30 is inclined toward the inside of the bag 1 when held.

In addition, the extension sheet 30 has an adhesive portion 31 in the extended end direction, and the adhesive portion 31 is covered with the release paper 5 .
In the bag body 1 constructed in this manner, the folding portion 20 of the top sheet 2 can be grasped.
When the folded portion 20 is held with one hand and the extension sheet 30 is held with the other hand, the opening of the bag body 1 is positioned between them.
Therefore, the top sheet 2 and the back sheet 3 forming the opening of the bag 1 can be easily held, and an object to be stored in the bag 1 can be easily put into the bag 1 through the opening of the bag 1 formed between the two. be able to.

FIG. 2 is an end view of the bag shown in FIG. 1 along the line AA.
The main bag body consists of a top sheet 2 and a back sheet 3. Both sheets 2 and 3 are fused together at side edges 4, but both sides of the top end of the sheet are separated and are not fused together. not
On the other hand, the front and back sheets 2 and 3 in the downward direction are fused together at the side portions 4 to constitute the side surfaces of the bag body 1 .
The top sheet 2 is folded in a mountain fold to form a folded portion 20, and the tip of the folded portion 20 is bent toward the surface of the bag body 1.例文帳に追加

Further, an extension sheet 30 is fused to the upper portion of the backsheet 3 in the direction toward the leading end, and this fusion is particularly fused to the front side of the backsheet 3, that is, the surface toward the inside of the bag body.
Further, the extension sheet 30 has an adhesive portion 31 in the direction of the end thereof, and a release paper 5 is further adhered thereto.
After storing the object to be stored in the bag 1, the release paper 5 is peeled off to expose the adhesive part 31, and then the opening of the bag 1 is closed.

FIG. 3 shows an example of a state in which both ends of the folded portion 20 of the top sheet 2 and the extension sheet 30 of the back sheet 3 of the bag body 1 according to the present invention are grasped.
In this way, by grasping the respective ends with both hands and slightly opening the bag 1 in the expanding direction, the opening of the bag can be easily opened wide.
By constructing in this manner, it is possible to easily store items to be stored in the bag body 1 .

In particular, the extension sheet 30 fused to the back sheet 3 is fused on the front side of the back sheet 3 and is fused toward the inside of the bag body. It is possible to form an inclined surface that facilitates accommodation in the bag body 1 when it is closed.
As described above, the bag body 1 according to the present invention not only constitutes a bag body 1 that is extremely easy to hold, but also allows the objects to be stored to be easily put into the bag body 1 .

FIG. 4 shows an example of a state in which an article P to be stored in the bag according to the present invention is placed on the extension sheet 30 of the bag 1. As shown in FIG.
This is an example of a procedure for easy storage when storing the stored items P in the bag body 1 .
Although it is possible to put the object P to be stored in a state in which it is held by hand, for example, the object P to be stored is placed at an arbitrary position in the bag body 1, and the front and back sheets 2 of the bag body 1 are held with both hands. The object P to be stored in the bag body 1 can be easily put into the bag body 1 by grasping and lifting each end of the bag 3.例文帳に追加

In this case, in particular, if an object P to be stored is placed on the back sheet 3 near the opening of the bag 1, the top sheet 2 and the back sheet 3 can be separated by simply grasping both ends of the bag 1 and lifting it. An object P to be stored can be dropped into the bag body 1 through an opening formed between them.
Therefore, by proceeding from the state shown in FIG. 5 to the configuration shown in FIG.

FIG. 5 shows an example of a state in which the bag body 1 is lifted from the state shown in FIG. FIG. 4 is a diagram showing;
This figure shows an example of a state in which an object P to be stored can easily enter the inside of the bag body 1 from between the front and back sheets 2 and 3 .

That is, by holding the folded portion 20 of the top sheet 2 and holding the extension sheet 30 of the back sheet 3, the opening of the bag body 1 is opened.
Furthermore, by holding the extension sheet 30 by hand, the extension sheet 30 is inclined toward the inside of the bag 1, and the object P placed on the bag 1 can be easily fed into the bag 1. - 特許庁
In particular, when the bag body 1 is lifted by holding the sheets 2 and 3 on the front and back surfaces of the bag body 1, the object P to be stored can be easily stored in the bag body 1 by its own weight.

With such a configuration, for example, when an object P to be stored in the bag body 1 is placed on the bag body 1 according to the present invention, the stored object P can be easily fed into the bag body 1 without being touched by a hand. be able to.
For example, perishables are placed on a plate, placed on the bag body 1, and the bag body is lifted by the folded part 20 of the top sheet 2 of the bag body 1 and the extension sheet 30 of the back sheet 3, and the bag can be easily bagged together with the plate. Objects to be stored in the body 1 can be placed.

As for the perishables placed on the plate, only the perishables other than the plate are placed on the bag 1, so that only the perishables can be easily put into the bag 1.例文帳に追加
In this way, the items P to be stored in the bag body 1 can be easily stored without touching any perishables.
Alternatively, the bag 1 according to the present invention is placed on a scale, meat is placed on the bag 1 using gloves or the like to measure the weight, and the bag 1 is lifted as it is to easily put the meat in. It can be enclosed with

Therefore, the weight of the meat can be used to easily enclose it in the bag.
Furthermore, by doing so, it is possible to minimize the chance of touching the meat or the like.
Therefore, the bagging operation can be performed very hygienically.
Furthermore, by placing the object P to be stored on the bag body 1 in this manner, the object P can be enclosed in the bag body 1 easily and in a short period of time, so that the efficiency of the bagging operation can be improved.

As described above, it is possible to hygienically and efficiently enclose perishables in a bag or the like.
In addition, although this figure clearly shows that it has the release paper 5 and the adhesive part 31, it is possible to have separate sealing means and sealing means instead of such a form, and other sealing tools. may be used, or it may be rolled up as it is and packaged by another packaging means.

FIG. 6 is a diagram showing an example in which the back sheet 3 is slightly elongated without the extension sheet 30. As shown in FIG.
At least, the top sheet 2 and the back sheet 3 have side portions 4 fused at both sides thereof in the lower direction, but the top sheet 2 is not fused in the upward direction and is mountain-folded on the front side of the top sheet 2. It has a folding part 20 by folding it into the inside.

With respect to such a bag body 1, an object P to be stored is placed on the back sheet in the upward direction of the back sheet 3 from the folded back portion 20 of the mountain fold of the top sheet which is the central portion, and the folded portion of the top sheet 2 is placed. By grasping and lifting 20 and the tip of the back sheet 3, the object P to be stored in the bag can be easily fed.
Therefore, such a configuration may be used.

Although the bag 1 has a square bottom, the bag 1 may have an arbitrary bottom structure.
Moreover, the lengths of the top sheet 2 and the back sheet 3 may of course be the same or substantially the same.
Even with this structure, the object P to be stored in the bag body 1 can be put into the bag body 1 by sufficiently pinching and lifting both ends of the front and back sheets 2 and 3 of the bag body 1.例文帳に追加

In addition, although this configuration clearly shows the state in which the side portions 4 are formed by heat-sealing both side portions, the present invention is not limited to this, and the configuration is not limited to this, and may be configured by heat-sealing or the like, may be fused or welded by ultrasonic sealing or the like. The bag formed by various sealing processes may be used.
Alternatively, the bag body may be configured by adhesion using an adhesive or the like.
Further, the present bag body is constructed by clearly showing the front and back sheets 2 and 3, but these may be made of thermoplastic sheets, various resin sheets, or sheets made of paper material. may be used.

Incidentally, the film is naturally included in the sheet.
Further, in addition to the configuration shown in the figure, the back sheet 3 may have a reinforcing sheet on the back side of the back sheet 3 .
For example, a reinforcing sheet may be provided from the fused lower portions of the front and back sheets 2 and 3 to the upper portion of the back sheet.
Alternatively, a reinforcing sheet may be superimposed on the back sheet 3 .

It is desirable to have at least the front and back of the opening of the bag 1 when the object P to be stored is placed and the upper portion of the backsheet 3 .
As a result, the strength of the back sheet 3 near the opening of the bag body 1 of the back sheet 3 is increased, and the angle at which the stored material P is fed into the bag body 1, that is, the sheet when the back sheet 3 is held by hand is formed. can be kept constant.

For example, depending on the object P to be stored, if this portion is bent, it will be difficult to put in it. .
Therefore, when the bag body 1 is held by hand, the object P to be stored can be easily dropped into the bag body 1 by its own weight.

REFERENCE SIGNS LIST 1 bag body 2 front sheet 20 folded part 3 back sheet 30 extension sheet 31 adhesive part 4 side part 5 release paper P object

Claims (4)

A bag body 1 having a bottom portion composed of a top sheet 2 and a back sheet 3, wherein the front and back sheets 2 and 3 are fused at side portions 4,
The fusion of the side part 4 is at least the lower part of the bag body,
Both sides of the upper part of the bag 1 are not fused,
The upper portion of the surface sheet 2 where both side portions are not fused has a folded portion 20 folded in a mountain fold in the surface direction of the bag body ,
An extension sheet 30 is provided on the upper part of the back sheet 3, and the extension sheet 30 is fused to the front side of the back sheet 3,
The back sheet 3 and the extension sheet 30 are formed as longer sheets than the top sheet 2 even when the folded part 20 of the top sheet 2 is unfolded,
The opening of the bag is positioned at the folded portion of the folded portion 20,
The opening of the bag can be opened by holding the extension sheet 30 of the bag and the folding part 20 of the bag, and when the article is placed on the extension sheet 30, the article is stored through the opening. A bag body characterized by being able to 2. The bag according to claim 1, wherein the side portions of the front and back sheets 2, 3 are fused or adhered instead of the side portions 4 of the front and back sheets 2, 3 being fused. 3. The bag body according to claim 1, wherein the extension sheet 30 on the upper portion of the backsheet 3 is welded or adhered to the front side of the backsheet 3 instead of being fused . 4. The bag according to any one of claims 1 to 3 , further comprising a reinforcing sheet on the back side of the back sheet (3).

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