JP7373234B1 - Bag feeding device and continuous bag belt used for it - Google Patents

Abstract

An object of the present invention is to enable the opening of a bag to be easily opened during use. A bag continuous belt 10 has a supporting part 91 continuous in a continuous direction D1, and an accommodating part 92 adjacent to the support part 91 on one side and repeatedly provided in the continuous direction D1. The support portion 91 includes a front cylindrical portion 21 and a back cylindrical portion 22 that are continuous along the edge of each accommodating portion 92 on the support portion 91 side. Moreover, the front part 11 and the back part 12 are located in the middle in the continuous direction D1, and have a connecting part 32 connected to the cylindrical parts 21 and 22, and a cylindrical part 21, which covers the entire both sides of the connecting part 32, A pair of separation parts 31 separated from 22 are provided. During use, the pair of guide rods 52 of the bag feeding device 50 are inserted into the openings of the cylindrical parts 21 and 22 at the starting end of the continuous bag band 10, and the cylindrical parts 21 and 22 are spaced apart by the pair of guide rods 52. The bag 1 is supported, separated from the front part 11 and the back part 12 in the separating section 31, and the opening 13 of the leading bag 1 is automatically opened. [Selection diagram] Figure 9

Description

The present invention relates to a bag supply device that can easily open the opening of a bag during use, and a bag continuous belt used therein.

For example, when a seller sells a product at a retail store or a purchaser takes the product home, some products, such as fruits and vegetables, fresh fish, and side dishes, are prevented from leaking juice or condensation from adhering to other products. In order to do this, they are placed in plastic bags.

The plastic bags used in this way are prepared as a roll of continuous bands in which the parts that become the individual bags repeat in a continuous direction through perforations, and when used, the bags are separated one by one and the openings are opened. It is common to use.

However, a typical continuous polybag belt uses a continuous belt-shaped tube made of polyethylene film, and the welded parts that form the bottom are formed at intervals in the continuous direction, and along the boundaries of the parts that will become individual bags. The problem is that it is difficult to open the opening because the opposing surfaces of the opening are in close contact with each other due to static electricity or the like.

Various ideas have been proposed to solve this problem. For example, Patent Document 1 proposes a bag feeding device in which the facing surface of the opening is slightly opened when the bag is cut from a continuous bag band. Further, Patent Document 2 proposes a bag in which tabs that do not overlap each other protrude from one sheet and the other sheet that form opposing surfaces of the opening.

In all of these prior examples, the opening of the bag is made easy to pinch, and if the bag can be pinched, it can be opened easily, but the problem remains that the operation is complicated.

Utility model registration No. 3226447 Utility model registration No. 3224764

Therefore, the main object of the present invention is to provide a bag feeding device that can easily open the opening of the bag during use, and a bag continuous band used therein.

A bag feeding device that solves the above problems and a continuous bag band used therein are as follows.
<First aspect>
A bag feeding device that feeds the bags from a sheet-like bag continuous band in which portions to become bags are repeatedly provided in a continuous direction;
The bag continuous band has a support part continuous in the continuous direction, and a storage part adjacent to one side of the support part in a direction perpendicular to the continuous direction and repeatedly provided in the continuous direction,
The accommodating portion includes a front portion, a back portion facing the front portion, an opening provided at an edge on the support portion side and communicating with an accommodating space between the front portion and the back portion, and an opening in the opening. a bottom edge located on the opposite side of the edge, and a side edge extending from both ends of the edge of the opening to both ends of the bottom edge,
The support portion includes a front cylindrical portion that continues along an edge of the front portion of each of the accommodating portions on the support portion side, and a rear cylindrical portion that continues along the edge of the back portion on the support portion side. Consisting of
The inner space of the front cylindrical part and the inner space of the back cylindrical part are continuous throughout the continuous direction of the bag continuous band,
A portion of the front portion located at the edge of the opening is located in the middle in the continuous direction, and includes a connecting portion connected to the front cylindrical portion and the front portion extending over the entire sides of the connecting portion. It has a pair of separation parts that are separated from or separably connected to the cylindrical part,
A portion of the back surface portion located at the edge of the opening portion is located in the middle in the continuous direction, and includes a connecting portion connected to the back tubular portion and a portion of the back portion located on the edge of the opening portion that extends over the entirety of both sides of the connecting portion. It has a pair of separation parts that are separated from or separably connected to the cylindrical part,
Adjacent storage portions in the bag continuous band are separably continuous or separated;
The front cylindrical part and the back cylindrical part are separably continuous at positions corresponding to the pair of separation parts adjacent in the continuous direction;
The bag feeding device has a pair of guide rods inserted into the front cylindrical part and the back cylindrical part of the bag continuous band, respectively,
The pair of guide rods have a pair of distal ends and a pair of main body parts that are respectively continuous with the pair of distal ends and are spaced apart from each other, and the distal ends of each guide rod and the main body is supported only on the side opposite to the tip,
The pair of main body parts each have a tearing part that tears the front cylindrical part and the back cylindrical part along the longitudinal direction at a position apart from the tip part,
A bag feeding device characterized by:

(effect)
With this bag supply device, for example, after pulling out and opening the continuous bag band as follows, one sheet can be cut off. That is, as a preparatory step, a pair of guide rods are inserted into the openings of the front cylindrical part and the back cylindrical part at the starting end of the continuous bag band in order from the tip end to the main body part. At this time, the front cylindrical part and the back cylindrical part are separated from the front part and the back part at least at the separation part on the starting end side (preferably both of the pair of separation parts), and a pair of spaced apart parts are separated from the front part and the back part. By being supported by the main body portions of the guide rods, the opening of the leading housing portion is automatically opened at least on the starting end side. Therefore, in this state, it is possible to put a finger into the opening of the first housing part and pinch the side part on the starting end side, so there is no need to separate the front and back parts of the housing part. Next, place your finger on the opening of the leading housing part (it is even better if you pinch the side part) and pull the leading housing part along the pair of guide rods toward the tear area. By tearing the cylindrical part along the longitudinal direction at the pair of rupture parts, the leading accommodating part and the front cylindrical part and rear cylindrical part connected (continuously or joined) thereto can be opened into a pair of cylindrical parts. It can be detached from the guide rod. On the other hand, when the leading housing part is pulled toward the rupture part, the following housing parts are automatically pulled out one after another because at least the supporting parts (front tubular part and back tubular part) are continuous. A pair of guide rods are automatically inserted into the front cylindrical part and the back cylindrical part from the distal ends, and the subsequent accommodation part is automatically prepared. In order to realize this, the front cylindrical part and the back cylindrical part are continuous so that they can be separated, and the inner space of the front cylindrical part and the inner space of the back cylindrical part is the entire continuous direction of the bag continuous band. Each of them is continuous. The leading housing part can be separated from the trailing housing part or is previously separated, and the portion of the front tubular part and the back tubular part connected to the leading housing part is connected to the trailing housing part. After the pair of guide rods are inserted into the part that has been inserted (for example, after being separated from the pair of guide rods), it can be separated from the part connected to the subsequent housing part. By separating these bags, it is possible to obtain bags independent from the bag continuous band.

<Second aspect>
The pair of main body portions have a pair of enlarged portions whose mutual spacing increases as the distance from the pair of tip portions increases.
A bag feeding device according to a first aspect.

(effect)
When the enlarged portion of this aspect is provided, when the front cylindrical portion and the back cylindrical portion pass through the enlarged portion, the mutual distance between the front cylindrical portion and the back cylindrical portion increases, so that the front cylindrical portion and the back cylindrical portion are This is preferable because the opening of the accommodating portion connected to the shaped portion can be automatically widened.

<Third aspect>
The pair of main body parts are
a pair of first portions that respectively follow the pair of tip portions and extend at a constant first mutual interval;
a pair of enlarged portions that each follow the pair of first portions and whose spacing increases from the first mutual spacing to a larger second mutual spacing as the distance from the first portion increases;
A pair of second portions that respectively follow the pair of enlarged portions, are spaced apart from each other by a constant second interval, and extend at least 50% of the width of one bag. and has;
The rupture portion is a portion that continues to each of the pair of second portions,
A bag feeding device according to a first aspect.

(effect)
In the main bag supply device, as the front tubular part and the back tubular part move in the order of the first part, the enlarged part, and the second part, the opening of the storage part automatically widens and is positioned in the second part. The opening of the housing portion is maintained in a widened state. In particular, having the first portions with a relatively narrow interval makes it easier to insert the front tubular portion and the back tubular portion into the pair of guide rods. Further, in the preparation stage, the leading accommodating portion moves to the second portion, so that the opening of the leading accommodating portion is left wide open. Therefore, in this state, it is also possible to put products or the like into the first storage section supported by the second portion.

<Fourth aspect>
The first portion is a portion extending in the vertical direction, and the second portion is a portion extending in the horizontal direction.
A bag feeding device according to a third aspect.

(effect)
According to this aspect, the installation area of the bag supply device can be reduced.

<Fifth aspect>
The rupture portion is a portion having a cutting blade protruding from the outer peripheral surface of the guide rod.
The bag feeding device according to any one of the first to fourth aspects.

(effect)
When the tearing portion is provided using a cutting blade as in this embodiment, the front tubular portion and the back tubular portion can be easily torn.

<Sixth aspect>
A sheet-like bag continuous band in which portions that become bags are repeatedly provided in a continuous direction;
The bag continuous band has a support part continuous in the continuous direction, and a storage part adjacent to one side of the support part in a direction perpendicular to the continuous direction and repeatedly provided in the continuous direction,
The accommodating portion includes a front portion, a back portion facing the front portion, an opening provided at an edge on the support portion side and communicating with an accommodating space between the front portion and the back portion, and an opening in the opening. a bottom edge located on the opposite side of the edge, and a side edge extending from both ends of the edge of the opening to both ends of the bottom edge,
The support portion includes a front cylindrical portion that continues along an edge of the front portion of each of the accommodating portions on the support portion side, and a rear cylindrical portion that continues along the edge of the back portion on the support portion side. Consisting of
The inner space of the front cylindrical part and the inner space of the back cylindrical part are continuous throughout the continuous direction of the bag continuous band,
A portion of the front portion located at the edge of the opening is located in the middle in the continuous direction, and includes a connecting portion connected to the front cylindrical portion and the front portion extending over the entire sides of the connecting portion. It has a pair of separation parts that are separated from or separably connected to the cylindrical part,
A portion of the back surface portion located at the edge of the opening portion is located in the middle in the continuous direction, and includes a connecting portion connected to the back tubular portion and a portion of the back portion located on the edge of the opening portion that extends over the entirety of both sides of the connecting portion. It has a pair of separation parts that are separated from or separably connected to the cylindrical part,
Adjacent storage portions in the bag continuous band are separably continuous or separated;
The front cylindrical part and the back cylindrical part are continuous so as to be separable at positions corresponding to the pair of separation parts adjacent in the continuous direction.
A continuous bag belt characterized by:

(effect)
The same effects as the first aspect are achieved.

<Seventh aspect>
A continuous band-shaped flexible sheet is folded in half in a direction perpendicular to the continuous direction, and a first fold is formed as the edge of the bottom part, and a portion on one side and a portion on the other side with the first fold as a boundary. Of the parts, the ends opposite to the first fold are respectively folded back to the first fold side to form a second fold and a folded part,
Of the one side part and the other side part, the front part and the back part are respectively formed by the part between the first fold line and the folded part,
Of the one side portion and the other side portion, the folded portion and the portion facing the folded portion are joined at a distance from the second fold line to form the front cylindrical portion and the back cylindrical portion, respectively. formed,
A slit or an easy-to-separate part is formed at a position where the pair of separation parts of the front part in the one side part and a position of the pair separation part of the back part in the other side part are formed, respectively;
In the continuous belt-shaped flexible sheet on which the first fold line, the front cylindrical part, and the back cylindrical part are formed, the front cylindrical part is placed at intervals corresponding to the width of the bag in the continuous direction. A first easy-separation part for separating the shaped part and the back tubular part and a second easy-separation part for separating the housing part are formed, and on both sides of the second easy-separation part in the continuous direction, Opposing surfaces of the one side portion and the other side portion are continuously joined in the orthogonal direction;
The bag continuous belt according to the sixth aspect.

(effect)
The continuous bag band of this embodiment has a simple structure with no waste of material.

<Eighth aspect>
The length of the separating section in the continuous direction is 1/5 to 1/3 times the width of one of the accommodating sections.
The bag continuous band according to the sixth or seventh aspect.

(effect)
The length of the separating part determines the opening limit of the bag in the bag feeding device described later, and the length of the connecting part, which is a part other than the separating part, affects the shape stability of the bag supported by the guide rod. It is something to do. In addition, in each bag separated from the bag continuous band described above, the front cylindrical part and the back cylindrical part that were torn in the continuous direction remain as string-like protruding parts. The length of the separating section is determined by the length of the separating section, which, if long enough, can be used to close the opening of the bag. Therefore, from these viewpoints, the length of the separation part in the continuous direction of the bag continuous band is preferably within the range of this embodiment.

<Ninth aspect>
The front cylindrical part and the back cylindrical part are connected to each other so as to be separable at a position corresponding to the separation part on the leading side of each accommodating part and close to the connection part.
The bag continuous belt according to any one of the sixth to eighth embodiments.

(effect)
In the main bag continuous band, the front tubular part and the back tubular part which are not connected to the storage part do not remain on the leading side of the connecting part, or even if they do remain, it is short, so the above-mentioned bag feeding device When the front cylindrical part and the back cylindrical part are forced against the tearing part and torn by pulling the housing part, force can be effectively applied to the front cylindrical part and the back cylindrical part. Therefore, the tearing operation becomes easy.

According to the present invention, advantages such as the ability to easily open the opening of the bag during use are brought about.

FIG. 3 is a front view of the continuous bag band in an expanded state. Note that the back side appears symmetrical to the front side. 2 is a sectional view taken along line 2-2 in FIG. 1. FIG. 2 is a sectional view taken along line 3-3 in FIG. 1. FIG. It is a front view of a bag. FIG. 3 is a front view of the continuous bag band in an expanded state. Note that the back side appears symmetrical to the front side. FIG. 3 is a front view of the continuous bag band in an expanded state. Note that the back side appears symmetrical to the front side. (a) A perspective view of a roll-shaped continuous bag band, and (b) a perspective view of a folded and stacked bag continuous band. It is a perspective view of a bag supply device. FIG. 2 is a perspective view of the bag supply device in use. It is a perspective view of a bag supply device. FIG. 3 is a front view of the bag supply device showing the state of use. It is a perspective view of a bag supply device. It is a perspective view of a bag supply device. It is a perspective view of a bag supply device. FIG. 3 is a front view of the continuous bag band in an expanded state. Note that the back side appears symmetrical to the front side. FIG. 2 is a perspective view of the bag supply device in use. (a) A right side view of the bag feeding device shown in FIGS. 10 and 11, and (b) a right side view of another bag feeding device.

Hereinafter, examples of the above-mentioned bag feeding device and the continuous bag band used therein will be explained in detail with reference to the accompanying drawings. Note that the joining in the following description can be performed by welding such as heat sealing or ultrasonic sealing, and can also be performed by using an adhesive such as a hot melt adhesive. Symbols W1 and W2 in the figure indicate welded parts.

<Example of continuous bag band>
FIGS. 1 to 4 show an example of a sheet-like continuous bag belt 10 in which portions to become bags 1 are repeatedly provided in the continuous direction D1. The book bag continuous band 10 includes a support portion 91 that is continuous in the continuous direction D1, and a storage portion 92 that is adjacent to one side of the support portion 91 in a direction D2 orthogonal to the continuous direction D1 and repeatedly provided in the continuous direction D1. Each accommodating part 92 communicates with the front part 11 , the back part 12 facing the front part 11 , and the accommodating space 16 between the front part 11 and the back part 12 provided at the edge on the support part 91 side. It has an opening 13, an edge of a bottom 14 located on the opposite side to the edge of the opening 13, and side edges 15 extending from both ends of the edge of the opening 13 to both ends of the edge of the bottom 14. The support part 91 includes a front cylindrical part 21 that continues along the edge of the front part 11 of each housing part 92 on the support part 91 side, and a continuous front cylindrical part 21 that extends along the edge of the back part 12 of each housing part 92 on the support part 91 side. It consists of a continuous back cylindrical portion 22. As can be seen from this, the edge of the opening 13 consists of an edge of the front part 11 on the front cylindrical part 21 side and an edge of the back part 12 on the rear cylindrical part 22 side. The inner space 21i of the front cylindrical part 21 and the inner space 22i of the back cylindrical part 22 are continuous throughout the continuous direction D1 of the continuous bag band 10, respectively. Further, a portion of the front portion 11 located at the edge of the opening 13 is located in the middle in the continuous direction D1, and extends between the connecting portion 32 connected to the front cylindrical portion 21 and the entire sides of the connecting portion 32. (That is, it continues from both ends of the connection part 32 in the continuous direction D1 to both side edges 15 as shown in the figure), and has a pair of separation parts 31 separated from the front cylindrical part 21. Similarly, a portion of the back surface portion 12 located at the edge of the opening portion 13 is located in the middle in the continuous direction D1, and is connected to the connecting portion 32 connected to the rear cylindrical portion 22 and the entire portion on both sides of the connecting portion 32. It has a pair of separation parts 31 separated from the back cylindrical part 22 (that is, continuing from both ends of the connection part 32 in the continuous direction D1 to both side edges 15 as shown in the figure). Furthermore, in the continuous bag band 10, the adjacent accommodating parts 92 are separably continuous, and the front cylindrical part 21 and the back cylindrical part 22 are located at positions corresponding to a pair of separating parts 31 adjacent to each other in the continuous direction D1. It is continuous so that it can be separated at

The bag continuous band 10 can be formed from a flexible sheet. The flexible sheet is not particularly limited, and may include polyolefin films such as polyethylene films (HDPE, LDPE, LLPE, etc.) or polypropylene films (OPP, CPP, etc.), as well as synthetic resin films such as polyvinyl chloride (PVC) films. It can be suitably used, and paper can also be used. The thickness of the flexible sheet is not particularly limited, but in the case of a synthetic resin film, it can be about 0.01 mm to 0.1 mm.

The front cylindrical part 21 and the back cylindrical part 22 each have a flexible sheet that forms the front part 11 and the back part 12, as shown in FIG. It may be formed by folding it back and joining the lower end of the folded part to the opposing surface, or the lower ends of the cylindrical bodies 21t and 22t manufactured separately from the housing part 92 as shown in FIG. 2(b). may be formed by joining the front part 11 and the back part 12 in the housing part 92 along the upper edges (edges of the opening part 13). Note that in the bonding shown in FIG. 2(a), the welded portion W1 is formed by welding a flexible sheet, but this can be changed to bonding using an adhesive. Similarly, although the bonding in the example shown in FIG. 2(b) is performed using adhesive B1, it may also be performed by welding a flexible sheet.

The inner diameters of the front cylindrical part 21 and the back cylindrical part 22 are not particularly limited as long as a pair of guide rods 52 of the bag feeding device 50 described later can be inserted therein, but it is preferable that they can be inserted with some play, for example, a flat one. The inner dimension y2 in this state can be approximately 5 to 30 mm.

As shown in FIG. 1, FIG. 3, and FIG. by forming slits 40 (having no width in the orthogonal direction), or by forming elongated punched holes 41 (having a width in the orthogonal direction) extending along them, as shown in FIG. be able to. In these cases, since the slit 40 or the punched hole 41 is located at the boundary between the front part 11 and the front cylindrical part 21 and the boundary between the back part 12 and the back cylindrical part 22, the edge of the opening 13 is located at the slit 40 or the punched hole 41. Of the pair of edges of the punched hole 41, this coincides with the edges on the front part 11 and back part 12 sides. Further, as shown in FIG. 2(b), when separately manufactured cylindrical bodies 21t and 22t are joined to the front part 11 and the back part 12 to form the front cylindrical part 21 and the back part 22, The separation part 31 and the connection part 32 are provided by joining the cylindrical bodies 21t and 22t only to the part of the front part 11 and the back part 12 that will become the connection part 32, but not to the part that will become the separation part 31. You can also do that.

In addition, as shown in FIG. 6, the separation part 31 includes perforations along the lower edge of a part of the front part 11 located at the edge of the opening 13 and a part of the back part 12 located at the edge of the opening 13. It is possible to form an easy-to-separate portion 42 such as a weak portion or a fragile portion, and to provide this easy-to-separate portion 42 in advance or by cutting it off when opening 13 of bag 1 is widened. As shown in FIG. 2(b), when separately manufactured cylindrical bodies 21t and 22t are joined to the front part 11 and the back part 12 to form the front cylindrical part 21 and the back part 22, When joining them, only the part that will become the separation part 31 is weakly joined so that it can be peeled off (other parts are strongly joined so as not to peel), and this weakly joined part is peeled off in advance or when widening the opening 13 of the bag 1. By doing so, the separation section 31 can also be provided.

The dimension x2 of the separating section 31 in the continuous direction of the bag continuous band 10 can be determined as appropriate. The length of 32 affects the shape stability of the bag 1 supported by the guide rod. In addition, as shown in FIG. 9 etc., each bag 1 separated from the continuous bag band 10 has a front cylindrical part 21 and a back cylindrical part 22 that are torn in the continuous direction D1 as parts that protrude like strings. However, the length of this string-like portion is determined by the length of the separating portion 31, and if it is long enough, it can be used to tie the opening 13 of the bag 1. Therefore, from these points of view, it is desirable that the dimension x2 of the separation part 31 in the continuous direction of the bag continuous band 10 is approximately 1/5 to 1/3 times the width x1 of one accommodating part 92.

The individual bags 1 constituting the bag continuous band 10 may be formed as appropriate as long as the continuity of the front tubular part 21 and the back tubular part 22 is maintained as described above and has a pair of separating parts 31 and connecting parts 32. However, it is preferable that at least the accommodating part 92 (front part 11 and back part 12) in a flat state has a square or rectangular shape similar to what is generally called a plastic bag or a vinyl bag. The overall shape of each bag 1 is such that the position of the first easy-separation part 43a for separating the support part 91 and the position of the second easy-separation part 43b for separating the storage part 92 are aligned in the continuous direction D1. In the former case, the overall shape of each bag 1 is simply an extension of the accommodating portion 92 in the orthogonal direction D2, as shown in FIG. 4, and in the latter case, as shown in FIG. The support portion 91 remaining along the opening 13 of the accommodating portion 92 has a shape protruding to one side in the continuous direction D1.

Further, the structure of the individual accommodating parts constituting the continuous bag band 10 is not particularly limited, but for example, it is preferable to adopt a structure called a side seal bag because the continuous bag band 10 is particularly simple and can be manufactured without wasting material. . That is, in the continuous bag band 10 shown in FIGS. 1 to 4, a continuous band-shaped flexible sheet is folded in half in a direction perpendicular to the continuous direction, so that the first fold C1 forms the edge of the bottom 14 of each bag 1. At the same time, the end portions on the side opposite to the first fold C1 are respectively folded back to the first fold C1 side among the parts on one side and the other side with the first fold C1 as a boundary. A second fold C2 and a folded portion FP are formed, and a front portion 11 and a back portion 12 are respectively formed by the portions between the first fold and the folded portion. Furthermore, among these one side portion and the other side portion, the folded portion FP and the portion facing it are welded at a distance from the second fold C2 to form the welded portion W1, the front cylindrical portion 21, and the back cylindrical portion. A shaped portion 22 is formed respectively. Furthermore, slits 40 (or slits 40 as shown in FIG. An easy-to-separate portion 42 such as a perforation may also be formed. Then, in the continuous band-shaped flexible sheet in which the first fold C1, the front cylindrical part 21, and the back cylindrical part 22 are formed, the front cylindrical A first easy-separation section 43a for separating the section 21 and the back tubular section 22 and a second easy-separation section 43b for separating the housing section 92 are formed, and on both sides of the second easy-separation section 43b in the continuous direction. , the opposing surfaces of the one side portion and the other side portion are continuously joined (in the illustrated example, a welded portion W2 is formed) along the second easily separated portion 43b. As can be seen from this explanation, the existing side seal bag manufacturing technology includes a process for forming the front cylindrical part 21 and the back cylindrical part 22 (folding process and joining process), and forming the slit 40 or the easy-to-separate part 42. The above-mentioned continuous bag band 10 can be formed by simply adding this step.

In the bag continuous band 10, the front cylindrical part 21 and the back cylindrical part 22 are separated through a first easy-to-separate part 43a such as a perforation or a fragile part at a position corresponding to a pair of separating parts 31 adjacent to each other in the continuous direction D1. The accommodating portion 92 may also be separably continuous as shown in FIGS. 1 and 6, as long as the accommodating portion 92 is separably continuous via the second easy-to-separate portion 43b, or as shown in FIG. Part or all of the portion 92 may be separated in advance by the side edge slit 44 or the like. In order to create a continuous bag band 10 in which bags 1 of the same size and shape are continuous, the dimensions of the storage portion 92 in the continuous direction are constant, and the first easy-separation portions 43a of the front tubular portion 21 and the back tubular portion 22 are The interval can be made equal to the dimension x1 of the housing portion 92 in the continuous direction.

The position of the first easy-separation part 43a for separating the support part 92 (the front cylindrical part 21 and the back cylindrical part 22) is the same as the second easy-separation part for separating the housing part, as shown in FIGS. 1 and 9. It may be aligned with the position of 43b in the continuous direction, or it may be shifted as shown in FIGS. 15 and 16. In the latter case, the position of the first easy-separation part 43a is a position corresponding to the separating part 31 on the front side of each housing part 92, and is a position close to the connecting part 32, so that the cylindrical parts 21, 22 The portion that is not connected to the storage section 92 does not remain on the leading side of the connection section 32, or even if it remains, it is short. When the front cylindrical part 21 and the back cylindrical part 22 are pressed against each other and ruptured, force can be effectively applied to the front cylindrical part 21 and the back cylindrical part 22. Therefore, the tearing operation becomes easy. From this point of view, it is particularly preferable that the first separation part 43a is located at a position corresponding to the separation part 31 on the front side of each accommodating part 92 and at the end on the connection part 32 side.

Although not shown, it is also possible to manufacture individual bags and then separably connect them to manufacture a continuous bag band. In that case, each bag has a structure called a bottom seal bag, three-side seal bag, gusset bag, stand bag, etc. It is also possible to do this.

The continuous bag band 10 may be a roll wound around a cylindrical core made of paper or the like as shown in FIG. It may be a laminate that is alternately folded back and stacked at regular intervals in the continuous direction, such as at the border of the bag 1.

In order to facilitate the tearing along the longitudinal direction of the front cylindrical part 21 and the back cylindrical part 22, which will be described later, or to enable tearing without a cutting blade, which will be described later, the front cylindrical part 21 and the back cylindrical part 22, as shown in FIG. It is also possible to form an easily tearable part 45 such as a perforation or a fragile part along the continuous direction in the shaped part 21 and the back tubular part 22 . This easily tearable part 45 is preferably formed at or near the edge of the front tubular part 21 and the back tubular part 22 on the side opposite to the bottom part 14 of the bag 1, but is not limited thereto. do not have.

<Example of bag feeding device>
FIG. 8 shows an example of a bag supply device 50 that supplies bags 1 from the above-mentioned bag continuous band 10. This bag feeding device 50 has a pair of guide rods 52 inserted into the front cylindrical part 21 and the back cylindrical part 22 of the bag continuous band 10, respectively. 65 and a pair of main body parts 60 which are respectively continuous to the pair of distal ends and are provided with an interval, and the distal end part 65 and the main body part 60 of each guide rod 52 are opposite to the distal end parts. It is supported only on the sides, and each of the pair of main body parts has a tearing part 64, which tears the front tubular part 21 and the back tubular part 22 along the longitudinal direction, at a position apart from the tip part. .

In the present bag supply device 50, as shown in FIG. 9, after the continuous bag band 10 is pulled out and opened, one sheet can be cut off. That is, as a preparatory step, the pair of guide rods 52 are inserted into the openings of the front cylindrical part 21 and the back cylindrical part 22 at the starting end of the bag continuous band 10 in order from the tip 65 to the main body 60. At this time, the front cylindrical part 21 and the back cylindrical part 22 are separated from the front part 11 and the back part 12 at least at the separation part 31 on the starting end side (preferably both of the pair of separation parts 31), leaving an interval. By being supported by the main body portions 60 of the pair of guide rods 52 provided at the same time, the opening portion 13 of the leading housing portion 92 is automatically opened at least on the starting end side. Therefore, in this state, it is possible to put a finger into the opening 13 of the first housing part 92 and pinch the side part on the starting end side, so there is no need to separate the front part 11 and the back part 12 of the housing part 92. Next, place your finger on the opening 13 of the leading accommodating part 92 (it is even better if you pinch the side part), and move the leading accommodating part 92 along the pair of guide rods 52 toward the rupture part 64 (second part in the figure). When pulled (in the direction indicated by the dotted chain arrow), the front cylindrical part 21 and the back cylindrical part 22 are torn along the longitudinal direction at the pair of tearing parts 64, thereby connecting to the leading accommodating part 92 (continuously). The front cylindrical part 21 and the back cylindrical part 22 which are connected (or joined) can be separated from the pair of guide rods 52 in an open state. On the other hand, when the first accommodating part 92 is pulled toward the tearing part 64 side, the following accommodating parts 92 are automatically opened one after another because at least the supporting part 91 (the front cylindrical part 21 and the back cylindrical part 22) are continuous. The pair of guide rods 52 are automatically inserted into the front cylindrical part 21 and the rear cylindrical part 22 from the tip 65, and the subsequent accommodation part 92 is automatically prepared. Become. To realize this, the front cylindrical part 21 and the back cylindrical part 22 are continuous so that they can be separated, and the inner space 21i of the front cylindrical part 21 and the inner space 22i of the back cylindrical part 22 are continuous with each other. Each band 10 is continuous throughout the continuous direction D1. The leading accommodating part 92 can be separated from the following accommodating part 92 or is separated in advance, and the portion of the front cylindrical part 21 and the rear cylindrical part 22 connected to the leading accommodating part 92 is connected to the succeeding accommodating part 92. After the pair of guide rods 52 are inserted into the portion connected to the first housing portion 92 (for example, after the portion connected to the first housing portion 92 is torn and separated from the pair of guide rods 52), the subsequent It can be separated from the part connected to the housing part 92. By these separations, a bag 1 independent from the continuous bag band 10 can be obtained.

The guide rod 52 preferably has a circular cross section, but may have any shape such as a polygon or a star shape. The guide rod 52 may have a different cross-sectional area, such as being thicker in some parts than in other parts. The outer circumferential surface of the guide rod 52 is smoothed or roughened by surface treatment such as painting, plating, or machining in order to reduce or increase the friction against the inner circumferential surfaces of the front cylindrical portion 21 and the rear cylindrical portion 22. It may be faceted. The material of the guide rod 52 can be determined as appropriate, but it is preferably made of a highly rigid material that does not easily undergo plastic deformation due to the force applied by the above-mentioned movement of the continuous bag band 10. It is preferable to have a certain degree of elasticity for smooth operation.

The bag supply device 50 preferably has a storage section 51 for the continuous bag band 10 . The storage section 51 is not particularly limited as long as it can sequentially feed out the bag continuous band 10 in the continuous direction and supply it to the tip ends 65 of the pair of guide rods 52. For example, if the continuous bag band 10 is a roll wound around a cylindrical core as shown in FIG. It has a support shaft 51a, and can be configured to support the roll rotatably in the circumferential direction by this rotation support shaft 51a. The direction of the rotation support shaft 51a can be determined as appropriate, and as shown in FIG. 9, the direction can be set to match the moving posture of the continuous bag band 10 (in the illustrated example, it is vertical), or as shown in FIG. In order to make the bag compact, the direction may be perpendicular to the moving direction of the continuous bag band 10 (in the illustrated example, it is oriented horizontally). Furthermore, when the continuous bag band 101 is a laminate as shown in FIG. 7(b), the storage section 51 may include a tray (not shown) for accommodating the laminate. These rotation support shafts and trays can be formed by extending the rods that constitute the pair of guide rods 52. Further, the storage section 51 can also be provided as a separate part from the pair of guide rods 52. In order to make the bag supply device 50 more compact, it is preferable that the storage section 51 is installed below the main body section 60 and the tip section 65 as shown in FIG. 10, but the present invention is not limited thereto.

If the main body part 60 has an enlarged part 62 whose mutual spacing increases as it moves away from the tip part 65, as in the example shown in FIGS. As the distance between the front cylindrical part 21 and the back cylindrical part 22 widens when passing through, the opening 13 of the accommodating part 92 connected to the front cylindrical part 21 and the rear cylindrical part 22 is automatically widened. This is preferable because it can be done.

As shown in FIGS. 8 and 10, one preferable example of the main body portion 60 is a pair of first portions that respectively follow the pair of tip portions 65 and extend at a constant first mutual spacing 61d. 61, and a pair of enlarged portions that each follow the pair of first portions and whose distance increases from a first mutual spacing 61d to a larger second mutual spacing 63d as the distance from the first portion 61 increases. 62 and the pair of enlarged portions 62, with a constant second mutual spacing 63d moving away from the enlarged portions 62, and at least 50% (more than 50%) of the width of one bag 1. It is preferable that the tear portion 64 is a portion that continues to the pair of second portions 63, respectively. In this bag feeding device 50, as the front tubular part 21 and the back tubular part 22 move in the order of the first part 61, the enlarged part 62, and the second part 63, the opening 13 of the storage part 92 is automatically opened. The accommodating portion 92 that is expanded and located in the second portion 63 is maintained in a state in which the opening 13 is expanded. In particular, by having the first portions 61 with a relatively narrow interval, it becomes easier to insert the front cylindrical portion 21 and the back cylindrical portion 22 into the pair of guide rods 52. Further, in the preparation stage, the leading accommodating part 92 moves to the second portion 63, so that the opening 13 of the leading accommodating part 92 is left wide open. Therefore, in this state, it is also possible to put products or the like into the first accommodating section 92 supported by the second portion 63.

As in the example shown in FIG. 8 and the example shown in FIGS. 10 and 17(a), at least the portion from the distal end portion 65 to the rupture portion 64 of the pair of guide rods 52 is plane symmetrical (the pair of guide rods 52 It may also be a plane that is a set of points having the same shortest distance from each other (in the illustrated example, it may be symmetrical with respect to a vertical plane that includes the tensile direction at the time of rupture). However, depending on the position of the support part 91 of the continuous bag band 10 in the storage part 51, as shown in FIG. This is preferable because the guide rod 52 can be inserted smoothly into the cylindrical portion 22. In addition, not limited to this example, but in all examples, the length from the distal end 65 of one guide rod 52 to the torn part 64 is equal to the length from the distal end 65 of the other guide rod 52 to the torn part 64. Although it is preferable that the length is unequal, the length may be unequal.

Note that the pair of first portions 61 and the pair of second portions 63 extending at a constant interval from each other does not mean that the first portions 61 and the second portions 63 extend linearly like the second portions 63 in the illustrated example. In addition, it also includes extending in a curved shape such as an arc like the portion of the first portion 61 in the illustrated example located on the distal end portion 65 side.

The mutual spacing between the pair of guide rods 52 when each accommodating part 92 in the bag continuous band 10 is opened to the maximum is determined by setting the width of the separation part 31 to α and the flatness of the front cylindrical part 21 and the back cylindrical part 22. When the dimension y2 is β and the diameter of the guide rods 52 in the direction of spacing between the pair of guide rods 52 is γ, approximately (2α+2β)−2γ is obtained. Therefore, the mutual distance between the pair of guide rods 52 in the main body portion 60 is preferably smaller than (2α+2β)−2γ, and the same applies to the second mutual distance 63d. Further, the lower limit of the mutual distance between the pair of guide rods 52 in the main body part 60 is preferably 2 cm, more preferably 3 cm because it makes it easier to put a finger on the open housing part 92, and 5 cm is preferable. This is preferable because it becomes easier to put items such as products into the supported storage portion 92. This lower limit also applies to the second mutual spacing 63d.

The mutual distance between the pair of tip portions 65 and the first mutual distance 61d may be less than the second mutual distance 63d. In order to easily insert the pair of guide rods 52 therein, it is preferable that the mutual spacing between the pair of tip portions 65 and the first mutual spacing 61d be small. The mutual distance between the pair of tip portions 65 may be less than or equal to the first mutual distance 61d, or may be greater than the first mutual distance 61d. If the guide rod 52 has enough elasticity to easily separate the pair of tips 65, the pair of tips 65 are in contact as shown in the example shown in FIG. 10 may be sandwiched (there may be no interval). As an example, the first mutual spacing 61d can be greater than 2β-2γ and less than or equal to 1/2 of the second mutual spacing 63d.

In order to make it easier to insert the pair of guide rods 52 into the front cylindrical part 21 and the back cylindrical part 22, or to prevent the cylindrical parts 21 and 22 from breaking, the tips of the pair of guide rods 52 are fitted with caps or the like. By attaching a protective portion or the like, the tip portion 65 may be formed into a spherical or spindle shape as shown in the illustrated example.

The main body part 60 may be formed so as to pass within the same plane as in the example shown in FIG. It may be formed to pass through a flat or curved surface. For example, as shown in FIGS. 10 and 11, the first portion 61 is a portion extending in the vertical direction, and the second portion 63 is a portion extending in the horizontal direction, thereby reducing the installation area of the bag supply device 50. This is preferable because it allows for In this case, the enlarged portion 62 may be a portion that extends in the vertical direction or a portion that extends in the horizontal direction (horizontal direction), but as shown in the illustrated example, the enlarged portion 62 is a portion that changes direction in a curve from the vertical direction to the horizontal direction. This is preferable because it results in a more compact installation area. Further, in this case, the direction of the tear portion 64 is not particularly limited, but it is preferable that the tear portion 64 extend in the same direction as the second portion 63 (in the illustrated example, in the lateral direction) because the work becomes easier. Furthermore, when the second portion 63 extends in the lateral direction, providing a step so that the second portion 63 is lower than the first portion 61 as in the example shown in FIG. 11 makes it difficult for the continuous bag band 10 to move back. Therefore, it is preferable. Of course, the directions of each part are not limited to this, and although not shown, appropriate changes can be made, such as the first part 61 extending laterally and the second part 63 extending upward.

The main body portion 60 has a first portion 61 and a tear portion 64, as shown in FIG. 12, and may not have an enlarged portion 62 and a second portion 63. Further, the main body portion 60 may have an enlarged portion 62 and a tear portion 64 as shown in FIG. 13, and may not have the first portion 61 and the second portion 63. Furthermore, the main body portion 60 may have a second portion 63 and a tear portion 64, as shown in FIG. 14, and may not have the first portion 61 and enlarged portion 62.

The length 61L of the first portion 61 and the length 62L of the enlarged portion 62 can be determined as appropriate, but each is preferably at least 25% of the width x1 of one accommodating portion 92, and preferably at least 50%. More preferably, it is particularly preferably 80% or more.

It is preferable that the tearing part 64 has a cutting blade protruding from the outer circumferential surface of the guide rod 52 as shown in the illustrated example, since the front cylindrical part 21 and the back cylindrical part 22 can be easily torn. However, the rupture part 64 may be a part that does not have a cutting blade and breaks the front cylindrical part 21 and the back cylindrical part 22 by force. For example, a curved part whose continuous direction changes from 90 to 180 degrees is formed in the main body part 60 (equivalent to the state in which the cutting blade in the illustrated example is omitted), and the front cylindrical part 21 and the back cylindrical part 22 are formed in this curved part. It is also possible to hook it and tear it into pieces.

As long as the pair of guide rods 52 are supported only on the side opposite to the tip 65 (that is, the tip 65 and the main body 60 are unfixed free parts, and the tip 65 and the main body 60 are The supporting method is not particularly limited as long as it can be inserted into the front cylindrical part 21 and the back cylindrical part 22). For example, when the bag supply device 50 is placed on a table or workbench, the bag supply device 50 has a pedestal portion 54 and a support portion 53 extending upward from the pedestal portion 54. The portion continuing on the opposite side from the portion 65 can be supported in a cantilever manner by the support portion 53, and the tip portion 65 and the main body portion 60 of each guide rod 52 may be held floating above the pedestal portion 54.

Moreover, the bag supply device 50 can also be installed on a wall surface or a side surface of equipment such as furniture. For example, as shown in FIG. 12, the bag supply device 50 is provided with a wall mounting portion 55 having a screw fixing hole 56, and the wall mounting portion 55 cantilever-supports a portion of the main body 60 extending from the tip portion 65 to the opposite side. However, the tip end portion 65 and main body portion 60 of each guide rod 52 may be held floating above the floor or table surface.

The above-mentioned pedestal part 54, support part 53, wall mounting part 55, and storage part 51 are made by extending the rods forming the pair of guide rods 52 from the main body part 60 to the side opposite to the tip part 65, as shown in the illustrated example. In addition, a pedestal portion 54, a support portion 53, and a wall mounting portion 55 are formed separately from the guide rod 52 (not shown), and a portion of the guide rod 52 that continues from the main body portion 60 to the side opposite to the tip portion 65 is formed as a support portion. It may be fixed to the section 53 or the wall mounting section 55.

In the present bag supply device 50, as long as the above-mentioned continuous bag band 10 can be moved, the width of the passage or space for the movement is not particularly limited. It is preferable that a passage or a space longer than the length of the accommodating part 92 is secured on one side of the surface that is the assembly, and that the passage or space extends to the tip of the tearing part 64. More specifically, when the bag continuous band 10 is moved in a state where the storage part 92 (front part 11 and back part 12) is not supported as shown in the illustrated example, the storage part 92 is moved by the support part 91 (cylindrical part 21, 22) for support and assumes a sagging posture due to its own weight. Therefore, when at least the second portion 63 and subsequent portions of the main body portion 60 extend in the horizontal direction as in the illustrated example, there is a space with a height equal to or greater than the length of the accommodating portion 92 below the portion extending in the horizontal direction. It is preferable that the space is secured and that the space at that height extends to the tip of the tear portion 64. In order to facilitate the tearing operation at the tearing part 64, a space extending from the main body part 60 to the tip of the tearing part 64 is secured to be at least the width of one bag in the direction of pulling the continuous bag band 10 from the tearing part 64. It is preferable that you can.

In the example shown in FIGS. 8 and 9, the storage portion 51, the distal end portion 65, the first portion 61, the enlarged portion 62, the second portion 63, and the tear portion 64 are lined up in this order in the lateral direction, and the distal end portion 65 A space for movement of the bag continuous band 10 is secured below the portion from to the tearing portion 64 and on the side of the tearing portion 64. The bag continuous band 10 pulled out from the storage section 51 located on the side of the distal end 65 is moved from the distal end 65 to the tearing section 64 while hanging from the pair of guide rods 52, and is pulled out to the side of the tearing section 64. As a result, the cylindrical portions 21 and 22 are torn.

On the other hand, in the example shown in FIGS. 10 and 11, the storage part 51 is arranged at the bottom, the tip part 65 and the first part 61 are arranged at one side, and the enlarged part 62 extends from one side to the top. The second part 63 and the torn part 64 are arranged at the corner, and the area surrounded by these parts and the sides of the torn part 64 are secured as a movement space for the continuous bag band 10. The bag continuous belt 10 pulled out from the storage section 51 located at the lower part rises along the tip end 65 and the first part 61, changes direction at the enlarged part 62, and then breaks while hanging down from the second part 63. The cylindrical parts 21 and 22 are torn by being moved laterally to the part 64 and pulled out to the side of the tearing part 64.

The bag feeding device 50 in the illustrated example does not include a housing that covers the guide rod 52, the support portion that supports it, and the storage portion 51 of the continuous bag band 10, but it does include such a housing. (not shown).

INDUSTRIAL APPLICATION This invention can be utilized for the bag feeding apparatus and the bag continuous belt used for this like the said example.

DESCRIPTION OF SYMBOLS 1... Bag, 10... Bag continuous band, 11... Front part, 12... Back part, 13... Opening part, 14... Bottom part, 15... Side edge, 16... Accommodation space, 21... Front cylindrical part, 21i, 22i... Inner space, 21t, 22t...cylindrical body, 22...back tubular part, 31...separation part, 32...connection part, 41...punching hole, 42...easy separation part, 43...bag separation part, 44...side edge slit , 45... Easily tearable part, 50... Bag supply device, 51... Storage part, 52... Guide rod, 53... Support part, 54... Pedestal part, 55... Wall mounting part, 56... Screw fixing hole, 60... Main body part, 61...First portion, 61d...First mutual spacing, 62...Enlarged portion, 63d...Second mutual spacing, 63...Second portion, 64...Tear portion, 65...Tip portion, 91...Support portion, 92... Accommodating portion, C1...first fold, C2...second fold, D1...continuous direction, FP...folded portion.

Claims (9)

A bag feeding device that feeds the bags from a sheet-like bag continuous band in which portions to become bags are repeatedly provided in a continuous direction;
The bag continuous band has a support part continuous in the continuous direction, and a storage part adjacent to one side of the support part in a direction perpendicular to the continuous direction and repeatedly provided in the continuous direction,
The accommodating portion includes a front portion, a back portion facing the front portion, an opening provided at an edge on the support portion side and communicating with an accommodating space between the front portion and the back portion, and an opening in the opening. a bottom edge located on the opposite side of the edge, and a side edge extending from both ends of the edge of the opening to both ends of the bottom edge,
The support portion includes a front cylindrical portion that continues along an edge of the front portion of each of the accommodating portions on the support portion side, and a rear cylindrical portion that continues along the edge of the back portion on the support portion side. Consisting of
The inner space of the front cylindrical part and the inner space of the back cylindrical part are continuous throughout the continuous direction of the bag continuous band,
A portion of the front portion located at the edge of the opening is located in the middle in the continuous direction, and includes a connecting portion connected to the front cylindrical portion and the front portion extending over the entire sides of the connecting portion. It has a pair of separation parts that are separated from or separably connected to the cylindrical part,
A portion of the back surface portion located at the edge of the opening portion is located in the middle in the continuous direction, and includes a connecting portion connected to the back tubular portion and a portion of the back portion located on the edge of the opening portion that extends over the entirety of both sides of the connecting portion. It has a pair of separation parts that are separated from or separably connected to the cylindrical part,
Adjacent storage portions in the bag continuous band are separably continuous or separated;
The front cylindrical part and the back cylindrical part are separably continuous at positions corresponding to the pair of separation parts adjacent in the continuous direction;
The bag feeding device has a pair of guide rods inserted into the front cylindrical part and the back cylindrical part of the bag continuous band, respectively,
The pair of guide rods have a pair of distal ends and a pair of main body parts that are respectively continuous with the pair of distal ends and are spaced apart from each other, and the distal ends of each guide rod and the main body is supported only on the side opposite to the tip,
The pair of main body parts each have a tearing part that tears the front cylindrical part and the back cylindrical part along the longitudinal direction at a position apart from the tip part,
A bag feeding device characterized by: The pair of main body portions have a pair of enlarged portions whose mutual spacing increases as the distance from the pair of tip portions increases.
The bag feeding device according to claim 1. The pair of main body parts are
a pair of first portions that respectively follow the pair of tip portions and extend at a constant first mutual interval;
a pair of enlarged portions that each follow the pair of first portions and whose spacing increases from the first mutual spacing to a larger second mutual spacing as the distance from the first portion increases;
A pair of second portions that respectively follow the pair of enlarged portions, are spaced apart from each other by a constant second interval, and extend at least 50% of the width of one bag. and has;
The rupture portion is a portion that continues to each of the pair of second portions,
The bag feeding device according to claim 1. The first portion is a portion extending in the vertical direction, and the second portion is a portion extending in the horizontal direction.
The bag feeding device according to claim 3. The rupture portion is a portion having a cutting blade protruding from the outer peripheral surface of the guide rod.
The bag feeding device according to claim 1 or 2. A sheet-like bag continuous band in which portions that become bags are repeatedly provided in a continuous direction;
The bag continuous band has a support part continuous in the continuous direction, and a storage part adjacent to one side of the support part in a direction perpendicular to the continuous direction and repeatedly provided in the continuous direction,
The accommodating portion includes a front portion, a back portion facing the front portion, an opening provided at an edge on the support portion side and communicating with an accommodating space between the front portion and the back portion, and an opening in the opening. a bottom edge located on the opposite side of the edge, and a side edge extending from both ends of the edge of the opening to both ends of the bottom edge,
The support portion includes a front cylindrical portion that continues along an edge of the front portion of each of the accommodating portions on the support portion side, and a rear cylindrical portion that continues along the edge of the back portion on the support portion side. Consisting of
The inner space of the front cylindrical part and the inner space of the back cylindrical part are continuous throughout the continuous direction of the bag continuous band,
A portion of the front portion located at the edge of the opening is located in the middle in the continuous direction, and includes a connecting portion connected to the front cylindrical portion and the front portion extending over the entire sides of the connecting portion. It has a pair of separation parts that are separated from or separably connected to the cylindrical part,
A portion of the back surface portion located at the edge of the opening portion is located in the middle in the continuous direction, and includes a connecting portion connected to the back tubular portion and a portion of the back portion located on the edge of the opening portion that extends over the entirety of both sides of the connecting portion. It has a pair of separation parts that are separated from or separably connected to the cylindrical part,
Adjacent storage portions in the bag continuous band are separably continuous or separated;
The front cylindrical part and the back cylindrical part of each bag portion are located at a position corresponding to the separation part on the leading side of each storage part, and at an end on the connection part side, and are located at a position where the adjacent bag is located. Separably continuous with the front cylindrical part and the back cylindrical part of the part,
A continuous bag belt characterized by: A sheet-like bag continuous band in which portions that become bags are repeatedly provided in a continuous direction;
The bag continuous band has a support part continuous in the continuous direction, and a storage part adjacent to one side of the support part in a direction perpendicular to the continuous direction and repeatedly provided in the continuous direction,
The accommodating portion includes a front portion, a back portion facing the front portion, an opening provided at an edge on the support portion side and communicating with an accommodating space between the front portion and the back portion, and an opening in the opening. a bottom edge located on the opposite side of the edge, and a side edge extending from both ends of the edge of the opening to both ends of the bottom edge,
The support portion includes a front cylindrical portion that continues along an edge of the front portion of each of the accommodating portions on the support portion side, and a rear cylindrical portion that continues along the edge of the back portion on the support portion side. Consisting of
The inner space of the front cylindrical part and the inner space of the back cylindrical part are continuous throughout the continuous direction of the bag continuous band,
A portion of the front portion located at the edge of the opening is located in the middle in the continuous direction, and includes a connecting portion connected to the front cylindrical portion and the front portion extending over the entire sides of the connecting portion. It has a pair of separation parts that are separated from or separably connected to the cylindrical part,
A portion of the back surface portion located at the edge of the opening portion is located in the middle in the continuous direction, and includes a connecting portion connected to the back tubular portion and a portion of the back portion located on the edge of the opening portion that extends over the entirety of both sides of the connecting portion. It has a pair of separation parts that are separated from or separably connected to the cylindrical part,
Adjacent storage portions in the bag continuous band are separably continuous or separated;
The front cylindrical part and the back cylindrical part of each bag-forming part are arranged at positions corresponding to the pair of separation parts adjacent to each other in the continuous direction, and the front cylindrical part and the back surface cylindrical part of the adjacent bag-forming part Continuous to the back cylindrical part so that it can be separated,
An easy-to-break part that facilitates tearing along the continuous direction is formed in the front cylindrical part and the back cylindrical part,
A continuous bag belt characterized by: A continuous band-shaped flexible sheet is folded in half in a direction perpendicular to the continuous direction, and a first fold is formed as the edge of the bottom part, and a portion on one side and a portion on the other side with the first fold as a boundary. Of the parts, the ends opposite to the first fold are respectively folded back to the first fold side to form a second fold and a folded part,
Of the one side part and the other side part, the front part and the back part are respectively formed by the part between the first fold line and the folded part,
Of the one side portion and the other side portion, the folded portion and the portion facing the folded portion are joined at a distance from the second fold line to form the front cylindrical portion and the back cylindrical portion, respectively. formed,
A slit or an easy-to-separate part is formed at a position where the pair of separation parts of the front part in the one side part and a position of the pair separation part of the back part in the other side part are formed, respectively;
In the continuous belt-shaped flexible sheet on which the first fold line, the front cylindrical part, and the back cylindrical part are formed, the front cylindrical part is placed at intervals corresponding to the width of the bag in the continuous direction. A first easy-separation part for separating the shaped part and the back tubular part and a second easy-separation part for separating the housing part are formed, and on both sides of the second easy-separation part in the continuous direction, Opposing surfaces of the one side portion and the other side portion are continuously joined in the orthogonal direction;
The continuous bag band according to claim 6 or 7. The length of the separating section in the continuous direction is 1/5 to 1/3 times the width of one of the accommodating sections.
The continuous bag band according to claim 6 or 7.

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