JP2008213875A - Multi-chamber bag and package - Google Patents

Abstract

A flexible multi-chamber bag that can be easily manufactured, is excellent in terms of cost and weight, and has improved discardability, and a package that stores a plurality of contents.
A multi-chamber bag according to the present invention includes a first chamber for storing contents, a second chamber for storing contents and adjacent to the first chamber, and an occlusal portion capable of opening and closing the first chamber. A flexible multi-chamber bag, wherein the second chamber is configured to be openable. The package according to the present invention is characterized in that the contents are stored in the multi-chamber bag described above.
[Selection] Figure 1

Description

  The present invention relates to a multi-chamber bag and a package, and more particularly to a flexible multi-chamber bag that can store different contents and a package that stores the contents.

  Conventionally, as a packaging form used for a plurality of contents such as a medicine packaging form, a form in which a plastic container for storing a medicine and a printed matter such as a package insert of the medicine are stored in a paper outer box is adopted. It was. However, there are problems such as a large amount of materials used for manufacturing the container and a large weight and volume of the container.

  As means for solving such a problem, Patent Document 1 discloses a product packaging container that stores a medicine and printed matter in one container without using an outer box. That is, the product packaging container disclosed in Patent Document 1 is characterized in that a storage case with a lid for storing an effect book, instructions, and other printed matter is attached to the outside of the body portion of the container body.

  However, in such a container, it is necessary to manufacture a container main body for storing a medicine and a storage case with a lid for storing printed matter in separate steps. Moreover, in order to integrally mold the main body and the case manufactured in different processes, it is necessary to provide an integral means such as a ridge or a groove. Furthermore, a process for integrating the main body and the case manufactured in this way is newly required. Therefore, it was difficult to manufacture easily.

  In addition, in such a container, it is difficult to impart flexibility, and the amount of contents that can be stored is limited. In addition, since it is difficult to provide flexibility, the volume of the container is increased, and a large space is required for storing the container, and it is not suitable for disposal.

Furthermore, in such a container, in addition to selecting materials according to the characteristics of the contents to be stored, which is a characteristic necessary for the original container, it is necessary to impart characteristics that can withstand integration, and a large amount of materials are required. End up. This increases the weight of the container and is disadvantageous in terms of cost.
Japanese Patent Laid-Open No. 10-297639

  The present invention has been made in view of the above-mentioned problems, and is a flexible multi-chamber bag that can be easily manufactured, is excellent in terms of cost and weight, has improved discardability, and a plurality of It aims at providing the package which stored the contents.

  The flexible multi-chamber bag according to the present invention includes a first chamber for storing contents, a second chamber for storing contents and adjacent to the first chamber, and an occlusal portion capable of opening and closing the first chamber. And the second chamber is configured to be openable. Thereby, it has flexibility and it becomes possible to maintain the sealing property of the contents while accommodating the same or different contents.

  In the multi-chamber bag according to the present invention, the second chamber is formed of a sheet having a release layer at least at a position corresponding to the occlusal portion. Accordingly, the second chamber can be configured to be openable with an easy configuration without being continuously closed.

  In the multi-chamber bag according to the present invention, the second chamber is a sheet forming the first chamber, and is formed of a sheet having a release layer at a position on the back side of the portion where the occlusal portion is provided on the sheet. It is characterized by. Accordingly, the second chamber can be configured to be openable with an easy configuration without being continuously closed.

  In the multi-chamber bag according to the present invention, the second chamber is a sheet different from the sheet forming the first chamber, and is formed of a sheet having a release layer in a portion that can open the second chamber. It is characterized by. Accordingly, the second chamber can be configured to be openable with an easy configuration without being continuously closed.

  The multi-chamber bag according to the present invention is characterized by further having an occlusion portion so that the second chamber can be opened and closed. Thereby, it becomes possible to constitute the 2nd room which can be opened and closed suitably with easy composition.

  In the multi-chamber bag according to the present invention, the second chamber is configured to be visible from the outside of the multi-chamber bag. Thereby, even when the contents such as a written book and printed matter stored in the second chamber are stored in the multi-chamber bag, it is possible to visually inspect the manufacturing. Also, the user (consumer) can easily confirm the contents of the second chamber from the outside of the multi-chamber bag.

  The multi-chamber bag according to the present invention is characterized in that the first chamber is formed of a sheet having a sealant layer having heat-fusibility. Thereby, the multi-chamber bag which can be manufactured by a simple method is obtained.

  The multi-chamber bag according to the present invention is characterized in that the second chamber is formed of a sheet having a sealant layer having heat-fusibility. Thereby, the multi-chamber bag which can be manufactured by a simple method is obtained.

  The multi-chamber bag according to the present invention is characterized by further having a notch or an opening line on the upper side of the occlusal portion. This improves the convenience of using the multi-chamber bag.

  The multi-chamber bag according to the present invention is characterized in that the multi-chamber bag further has a gusset portion on the bottom side thereof. This improves the convenience of using the multi-chamber bag.

  On the other hand, the package according to the present invention is characterized in that the contents are stored in the above-described multi-chamber bag. Thereby, it becomes possible to enclose and handle a plurality of desired contents while maintaining the quality of the contents.

  In the package according to the present invention, as contents, medicines are stored in the first chamber, and printed materials are stored in the second chamber. Thereby, it becomes possible to enclose and handle the related printed matter while maintaining the maintenance of the medicine.

  According to the present invention, the production line can be integrated and can be easily produced. Moreover, the material used for manufacture of a multi-chamber bag can be reduced. Accordingly, it is possible to reduce the weight and volume, and it is possible to improve the storage capacity of the contents, save the storage space of the multi-chamber bag, reduce the volume of waste, and reduce the transportation cost.

  Hereinafter, the present invention will be described in detail.

<Multi-chamber bag according to the present invention>
FIG. 1 shows a plan view of a multi-chamber bag according to the present invention, and FIG. 2 shows an enlarged sectional view along line XX of FIG. 1 and 2, a multi-chamber bag 1 according to the present invention includes a first chamber 36 for storing contents defined by side edges 12 and 14 and a bottom side 16 of a sheet, which will be described later, and a side of a sheet, which will be described later. It has a second chamber 38 which is defined by the sides 12 and 14 and the bottom side 16 and which stores the contents provided adjacent to the first chamber 36. In the multi-chamber bag according to the present invention, the sheets are joined along the occlusal portion 26 provided in the first chamber 36. That is, in the multi-chamber bag according to the present invention, each sheet is bonded along two dotted line portions (in FIG. 2, a portion where the peeling layer 106 described below is present) along the horizontal direction in FIG. . 2 indicate the first opening and the second opening formed in the first chamber 36 and the second chamber 38, respectively, before the sheets are joined at the upper side 18.

(Room 1)
In the multi-chamber bag according to the present invention, the first chamber 36 has an occlusal portion 26 that is configured to open and close the first chamber. The occlusal portion 26 is provided so as to be coupled to the inner surface of the sheet constituting the outer surface of the multi-chamber bag and the opposite surface different from the surface forming the second chamber of the sheet forming the second chamber 38. Since the occlusal portion 26 is provided, the first chamber 36 is configured to be openable and closable by the coupling and dissociation of the occlusal portion 26.

(Room 2)
In the multi-chamber bag according to the present invention, the second chamber 38 is at least temporarily closed by each sheet due to the coupling between the sheet forming the first chamber 36 and the other sheets. On the other hand, as described later, the second chamber 38 has a bond between the sheet forming the first chamber 36 and another sheet (in FIG. 2, the bond between the peeling layer 106 described below and the sheet facing this). It is configured to be at least openable by being released.

  In the multi-chamber bag according to the present invention, the second chamber 38 may further be provided with an occlusion portion that can open and close the second chamber. In this case, the occlusal portion provided in the second chamber includes an inner surface of the sheet constituting the outer surface of the multi-chamber bag and an opposite surface different from the surface forming the first chamber of the sheet forming the first chamber 36. What is necessary is just to provide so that it may couple | bond together continuously. Thereby, in the multi-chamber bag by this invention, the 2nd chamber can be opened and closed by the coupling | bonding and dissociation of an occlusion part with a 1st chamber.

(Room 1 and Room 2)
In the multi-chamber bag according to the present invention, the first chamber 36 and / or the second chamber 38 improve the preservability of the contents such as the first contents C1 and the second contents C2 such as hygroscopicity and gas adsorption. For the purpose, it may be configured to provide moisture resistance and air resistance. At this time, the sheet forming the first chamber 36 may contain hygroscopic and gas adsorbing components. In the multi-chamber bag according to the present invention, the first chamber 36 and / or the second chamber 38 may be configured such that contents such as the second content C2 can be visually recognized from the outside of the multi-chamber bag. Furthermore, the multi-chamber bag according to the present invention may have another chamber different from the first chamber 36 and the second chamber 38. When providing this other chamber, you may combine the below-mentioned sheet | seat so that the outer surface of a multi-chamber bag may be met.

(Sheets used in the manufacture of multi-chamber bags according to the present invention)
In the multi-chamber bag according to the present invention, the sheet constituting the multi-chamber bag is flexible so that the first chamber 36 in which the occlusal portion 26 is disposed and the second chamber 38 configured to be openable can be formed. If it is a thing, there is no restriction in particular. Examples of sheets used for forming a multi-chamber bag according to the present invention are shown in FIGS. 3-1 to 3-3 and FIGS. 4-1 to 4-2.

  FIGS. 3-1 to 3-3 are diagrams showing an example of a cross section of a sheet used for forming the second chamber in the multi-chamber bag according to the present invention, and are provided in the first chamber when the multi-chamber bag is formed. It is sectional drawing in the position corresponding to the occlusal part. FIGS. 4-1 to 4-2 are views showing an example of a cross section of a sheet used for the multi-chamber bag according to the present invention.

  As a sheet | seat used for the multi-chamber bag by this invention, as shown to FIGS. 3-1 thru | or 3-3 and FIGS. 4-1 thru | or 4-2, the sealant layer 104 laminated | stacked on the base material 102 is shown. And at least. The sheet | seat used for the multi-chamber bag by this invention has the base material 102 and the one sealant layer 104 laminated | stacked on the base material 102, as shown to FIGS. 3-2 and 3-3 and FIG. 4-2. As shown in FIG. 3A and FIG. 4A, the base material 102 and the base material provided with the sealant layer 104 while having the base material 102 and the sealant layer 104 laminated on the base material 102. You may further have the sealant layer 104 laminated | stacked on the surface opposite to the surface of 102 (The surface under the base material 102 in FIGS. 3-1 and FIGS. 4-1). A sheet having a single sealant layer (FIGS. 3-2 and 3-3 and FIG. 4-2) is used in forming a multi-chamber bag according to the present invention, or a sheet having a plurality of sealant layers (FIGS. 3-1 and FIG. Whether to use 4-1) may be appropriately selected depending on which part of the multi-chamber bag is used for these sheets. For example, when forming a multi-chamber bag according to the present invention, when only one sheet and another sheet are combined, the sheet having a single sealant layer is used as the certain sheet. Use it. When a certain sheet is combined with another sheet together with another sheet, a sheet having a plurality of sealant layers may be used as the certain sheet.

  The sheet used in the multi-chamber bag according to the present invention may be transparent in the film thickness direction of the sheet, opaque, or translucent.

  Of the sheets used for forming the multi-chamber bag according to the present invention, the sheet used for forming the second chamber is the first chamber when the second chamber of the multi-chamber bag according to the present invention is formed using this sheet. As shown in FIGS. 3-1 to 3-3, the cross section at the position corresponding to the occlusal portion provided includes the base material 102 and the sealant layer 104 laminated on the base material 102, and on the sealant layer 104. It further has a release layer 106 laminated thereon. In the sheet having this release layer, as the form of the release layer, as shown in FIGS. 3-1 and 3-2, the release layer is formed along the occlusal portion provided in the first chamber of the multi-chamber bag. Alternatively, as shown in FIG. 3C, it may be partially formed along the occlusal portion provided in the first chamber of the multi-chamber bag. As shown in FIG. 3-3, in the manufacture of the multi-chamber bag according to the present invention, the sheet partially formed with the release layer is formed by separating each sheet along the direction from the upper side 18 to the bottom side 16 of the multi-chamber bag. By joining, a multi-chamber bag having a plurality of chambers in the vertical direction of the multi-chamber bag is obtained.

  By forming the multi-chamber bag using the sheet having the above-described configuration, the sheets are continuously bonded to each other at the place where the sealant layer 104 and the sealant layer 104 are in contact with each other. Further, at the place where the sealant layer 104 or the release layer 106 and the release layer 106 are in contact (for example, the place indicated by the release layer 106 in FIG. 2), the sheets are temporarily bonded to each other, and the sealant layer 104 and the release layer are bonded. The bond with 106 and the bond between the release layer 106 and the release layer 106 can be released by stress.

  In the present invention, the “position corresponding to the occlusal portion” refers to a position of each sheet, and a position where each sheet is coupled along the occlusal portion. Referring to FIG. 1, the “position corresponding to the occlusal portion” refers to a vertical direction of a portion surrounded by two dotted lines extending in the horizontal direction in FIG. 1 (that is, a direction orthogonal to the paper surface of FIG. 1). The position of each existing sheet. That is, if it is a sheet | seat which comprises the outer surface of the multi-chamber bag by this invention and the occlusion part 26 is combined, "the position corresponding to an occlusion part" means the position of the sheet | seat in which the occlusion part 26 was provided. Further, in the case of the sheet used for forming the second chamber 38 and the first chamber 36, the “position corresponding to the occlusal portion” means the position of the sheet where the occlusal portion 26 is provided. A position on the back side of this position across the sheet (a position where the release layer 106 exists in FIG. 2). Furthermore, in the case of the sheet that forms the outer surface of the multi-chamber bag according to the present invention and is used to form the second chamber 38, the “position corresponding to the occlusal portion” is combined with the sheet used to form the first chamber 36. After the sheets are joined along the occlusal portion 26, the second chamber 38 is configured to be openable at this position. Normally, the occlusal part is used by coupling the bite reel to the sheet, but when manufacturing the multi-chamber bag according to the present invention, the occlusion part is joined with three or more sheets superimposed. When trying to do so, the sealant layers existing at the position corresponding to the occlusal part of the room not having the occlusal part (the position where the below-mentioned sheet coupling such as heat sealing is performed to couple the occlusal part) are joined together. End up. In this invention, it becomes possible to prevent the continuous coupling | bonding of the part which does not desire coupling | bonding of sheets by providing a peeling layer in the position corresponding to an occlusion part at least.

  In the sheet used for forming the multi-chamber bag according to the present invention, the material of the base material 102 is not particularly limited as long as flexibility is not significantly lost by bonding between the sheets. Examples thereof include polyester, polypropylene, and polyamide. The substrate 102 may be a single layer film or a laminated film. What is necessary is just to select according to various characteristics, such as the property of the contents. Moreover, you may further provide an aluminum foil layer and a vapor deposition film layer in this sheet | seat. Furthermore, a printing layer may be provided on the sheet as necessary so that printing is possible.

  In the sheet used for forming the multi-chamber bag according to the present invention, the material of the sealant layer 104 is not particularly limited as long as it is a material that can continuously maintain a bonded state with other sealant layers. You may be comprised with the material which has. Specific examples include polyethylene, polypropylene, ionomer resin, and ethylene-vinyl acetate copolymer.

  In the sheet used for forming the multi-chamber bag according to the present invention, the release layer 106 has a certain degree of bonding to the sealant layer 104 or another release layer 106, and the bond between the sealant layer 104 and the release layer 106 by stress. A material that can release the bonding between the release layer 106 and the release layer 106 can be used. For example, examples of the material of the release layer 106 include heat sealing such as silicone or fluororesin, fluorine or silicone graft-polymerized resin, ink or paint in which one or more wax components such as polyethylene wax and carbana wax are blended. Examples include various materials that can prevent the sealant layers from being bonded to each other. Further, as the form of the release layer 106, a single-layer synthetic resin film having a weak heat-sealing force with the sealant layer 104 or another release layer 106, a laminated synthetic resin film that easily peels between layers, and a laminated synthetic resin film having an aggregated release layer Is mentioned.

  In the multi-chamber bag according to the present invention, each sheet is combined at the bottom side 16 and the side sides 12 and 14 so as to be in the form of a bag, and the first content C1 and the second content C2 (hereinafter referred to as the following) as described later. These may be collectively referred to as contents.) After a predetermined process such as storage, the upper side 18 of the sheet may be combined to be manufactured.

  In addition, the sheet | seat used for formation of the multi-chamber bag by this invention may adhere | attach each layer which comprises this sheet | seat by various means well-known in this technical field, such as extrusion lamination and dry lamination.

  In order to manufacture a multi-chamber bag according to the present invention, such a material may be used to combine the sheets at the bottom 16 and the sides 12 and 14 so as to form a bag. Moreover, you may couple | bond with the position corresponding to an occlusion part, or the upper side 18 as desired.

  In the multi-chamber bag according to the present invention, a gusset portion 28 may be provided in order to provide independence. The gusset portion 28 may be formed by various methods, for example, using a sheet as shown in FIG. In the case of forming using this sheet, for example, the sheet is folded in a V shape so that the base materials 102 are in contact with each other, and the sealant layer 104 of the V-folded sheet is bonded to the sealant layer 104 of another sheet. In addition, it may be formed. As shown in FIG. 1, the position where the gusset portion 28 is provided may be the bottom 16 of the multi-chamber bag, or may be another position.

  In the multi-chamber bag according to the present invention, a notch 22 may be provided in order to improve the user's convenience of opening. The user may open the multi-chamber bag along the notch 22. Moreover, you may provide the opening line 24 in the full width direction or full length direction of a multi-chamber bag for the same objective.

(Storing contents in a multi-chamber bag according to the present invention)
Next, storage of contents in a multi-chamber bag according to the present invention configured as described above will be described.

  FIG. 5 is a cross-sectional view showing an aspect in which contents are stored in a multi-chamber bag according to the present invention. In the multi-chamber bag according to the present invention, as described above, the first chamber 36 and the second chamber 38 are formed, and the first opening 32 and the second opening formed in the first chamber 36 and the second chamber 38, respectively. From 34, contents such as the first contents C1 and the second contents C2 are stored. After the contents are stored, the sheets are combined at the upper side 18 of each sheet, and the sheets are combined along the occlusal portion 26.

  By storing the contents in this way, the contents can be easily stored without biting the contents into the occlusal portion 26.

  In the present invention, examples of the first contents C1 and the second contents C2 include substances having various physical properties such as liquid and solid. Examples of the first contents C1 include drugs such as tablets, capsules, troches, granules, fine granules, liquids, and gels. In addition, the second content C2 may be various substances that are not preferably mixed with the first content C1, and examples thereof include printed materials such as an efficacy document, a manual, and a medicine package insert.

  By comprising in this way, the package which accommodated the content in the multi-chamber bag by this invention is obtained.

(Use of multi-chamber bags according to the present invention)
Next, the use of the multi-chamber bag according to the present invention will be described.

  When using the multi-chamber bag according to the present invention containing the contents, the user may open the bag along the upper side 18 side of the occlusal portion 26. At this time, it may be opened from the notch 22 along the opening line 24. FIG. 6 is a cross-sectional view showing an embodiment in which the multi-chamber bag according to the present invention is opened, and shows an embodiment in which the bag is opened along the opening line 24.

  When taking out and storing the contents from the multi-chamber bag, etc., through the first opening opening portion 42 and the second opening opening portion 44 formed by opening along the opening line 24, Just do it.

  Immediately after the manufacture of the multi-chamber bag, the occlusal portion 26 is in a connected state such as fitting, and therefore, after releasing the connected state of the occlusal portion 26, the first contents C1 may be taken out from the first chamber 36. . In addition, immediately after the manufacture of the multi-chamber bag, since it is coupled at a position corresponding to the occlusal portion of each sheet used to form the second chamber, by applying stress, the coupling between the sheets is released and the second chamber is released. After opening the chamber 38, the second content C2 may be taken out from the second chamber 38.

  What is necessary is just to close the 1st chamber 36 or the 2nd chamber 38 by meshing | engaging an occlusion part as needed, after taking in and out the contents. In particular, since the second chamber 38 is configured to be at least openable as described above, the second chamber 38 may remain open or may be closed depending on the configuration of the second chamber 38.

<Method for producing a multi-chamber bag according to the present invention>
As a method for manufacturing a multi-chamber bag according to the present invention (hereinafter referred to as a multi-chamber bag manufacturing method), methods known in the art that can be configured as described above may be used in appropriate combination. Especially, as a manufacturing method of the multi-chamber bag by this invention, the process which supplies the sheet | seat which provided the said occlusion part, and the sheet | seat which has this peeling layer are supplied so that the said occlusion part and a peeling layer may respond | correspond. The method which has a process and the process of combining each of the said sheet | seat is mentioned.

  In the method for manufacturing a multi-chamber bag according to the present invention, first, a sheet provided with an occlusal portion 26 such as a chuck is supplied. The form of the occlusal portion 26 may be a state where each of the biting portions is bitten or not bitten. In this step, a sheet in which the sheet and the occlusal portion 26 are connected in advance by an appropriate bonding means may be supplied, or the sheet and the occlusal portion may be supplied while being synchronized.

  Next, after the step of supplying the sheet provided with the occlusal portion 26 and / or during this step, the sheet having the release layer 106 is supplied. In this step, the sheet having the release layer is supplied so that the release layer is disposed at a position corresponding to the occlusal portion. In this step, a sheet having a release layer may be supplied and another sheet may be supplied. In this step, when a sheet having a release layer and another sheet are supplied, the sheet having the release layer and the other sheet may be supplied at a predetermined interval, or the sheet having the release layer and others may be supplied. These sheets may be supplied simultaneously. As this other sheet | seat, the sheet | seat which has a peeling layer may be sufficient and the sheet | seat which does not have a peeling layer may be sufficient.

  Next, after the step of supplying the sheet provided with the occlusal portion 26 and / or the step of supplying the sheet having the peeling layer 106 and / or between these steps, a step of combining these sheets is performed. In the step of combining the sheets, the sheet having the occlusal portion and another sheet such as a sheet having a release layer or a sheet having no release layer are combined. In particular, in this step, the sheet having the occlusal portion and the sheet having the release layer are joined at the side edges 12 and 14 and the bottom side 16 of each sheet so that the release layer is disposed at a position corresponding to the occlusion portion. . Under the present circumstances, you may couple | bond the sheet | seat which has an occlusion part, the sheet | seat which has a peeling layer, the sheet | seat which has a peeling layer, or a sheet | seat which does not have a peeling layer. The step of bonding the sheets may be performed by means such as heat sealing, ultrasonic sealing, and impulse sealing, and is preferably performed by heat sealing because it can be easily manufactured. In this way, the multi-chamber bag according to the present invention is obtained in a state where the first chamber 36 and the second chamber 38 are opened along the upper side 18 and the occlusal portion 26.

  In the step of combining the sheets, a step of storing the contents in the first chamber 36 and the second chamber 38 may be performed before or after combining at the side edges 12 and 14 and the bottom edge 16 of each sheet. Furthermore, after performing the process of storing the contents, the sheets may be joined along the upper side 18 and / or the occlusal portion 26 of the sheets so as to form a bag.

  Thus, the multi-chamber bag and package by this invention are obtained.

(Appendix)
In addition, this application also discloses the manufacturing method of the following flexible multi-chamber bags.

The manufacturing method of the flexible multi-chamber bag is:
A first chamber for storing contents;
A second chamber containing contents and adjacent to the first chamber;
An occlusal portion capable of opening and closing the first chamber;
A method for producing a flexible multi-chamber bag comprising:
Supplying a sheet provided with the occlusal portion;
Supplying the sheet having the release layer so that the occlusal portion and the release layer correspond to each other;
Combining each of the sheets;
It is characterized by having. Thereby, it becomes possible to line up the manufacture of multi-chamber bags.

  In the method for manufacturing a multi-chamber bag, the step of supplying the sheet having the release layer is a step of supplying a sheet that is coupled to the occlusal portion. Thereby, it becomes possible to line up the manufacture of multi-chamber bags.

  In the manufacturing method of said multi-chamber bag, the process of supplying the sheet | seat which has the said peeling layer is a process of supplying another sheet | seat simultaneously with this sheet | seat. This makes it possible to increase the manufacturing time efficiency.

  In the above-described multi-chamber bag manufacturing method, the step of supplying the sheet having the release layer is a step of supplying a sheet having the release layer and a sheet having the release layer or a sheet having no release layer. It is characterized by that. This makes it possible to increase the manufacturing time efficiency.

  In the above-described multi-chamber bag manufacturing method, the step of combining the sheets is a step of combining the sheet having the occlusal portion with another sheet. Thereby, it becomes possible to combine the sheets on the production line.

  In the above multi-chamber bag manufacturing method, the step of combining the sheets is a step of combining the sheet having the release layer and the sheet having the release layer or the sheet having no release layer. It is characterized by. As a result, the manufacturing time can be improved and the sheets can be combined on the manufacturing line.

  In the method for manufacturing a multi-chamber bag, the step of combining the sheets is a step performed by at least one means selected from the group consisting of heat sealing, ultrasonic sealing, and impulse sealing. Thereby, it becomes possible to combine the sheets by a simple method.

Fig. 2 shows a plan view of a multi-chamber bag according to the present invention. FIG. 2 shows an enlarged cross-sectional view along line XX in FIG. 1. In the multi-chamber bag by this invention, it is a figure which shows an example of the cross section of the sheet | seat used for formation of a 2nd chamber. In the multi-chamber bag by this invention, it is a figure which shows an example of the cross section of the sheet | seat used for formation of a 2nd chamber. In the multi-chamber bag by this invention, it is a figure which shows an example of the cross section of the sheet | seat used for formation of a 2nd chamber. It is a figure which shows an example of the cross section of the sheet | seat used for the multi-chamber bag by this invention. It is a figure which shows an example of the cross section of the sheet | seat used for the multi-chamber bag by this invention. It is sectional drawing which shows the aspect which accommodated the content in the multi-chamber bag by this invention. It is sectional drawing which shows the aspect which opened the multi-chamber bag by this invention.

Explanation of symbols

DESCRIPTION OF SYMBOLS 1 Multi-chamber bag 12 Side 14 Side 16 Bottom 18 Top 22 Notch 24 Opening line 26 Occlusion part 28 Gazette part 32 1st opening part 34 2nd opening part 36 1st room 38 2nd room 42 1st opening opening part 44 2nd opening opening 102 Base material 104 Sealant layer 106 Peeling layer C1 1st content C2 2nd content X-ray

Claims (12)

A first chamber for storing contents;
A second chamber containing contents and adjacent to the first chamber;
An occlusal portion capable of opening and closing the first chamber;
A flexible multi-chamber bag having
The said 2nd chamber is comprised so that opening is possible, The multi-chamber bag characterized by the above-mentioned.   The multi-chamber bag according to claim 1, wherein the second chamber is formed of a sheet having a release layer at a position corresponding to at least the occlusal portion.   The said 2nd chamber is a sheet | seat which forms the said 1st chamber, Comprising: It forms with the sheet | seat which has a peeling layer in the position of the back side of the part which provided the said occlusion part in this sheet | seat, or characterized by the above-mentioned. The multi-chamber bag according to 2.   The said 2nd chamber is a sheet different from the sheet | seat which forms the said 1st chamber, Comprising: The sheet | seat which has a peeling layer in the part which comprises this 2nd chamber so that opening is possible is formed. The multi-chamber bag according to any one of 3 above.   The multi-chamber bag according to any one of claims 1 to 4, further comprising an occlusion portion so that the second chamber can be opened and closed.   The multi-chamber bag according to any one of claims 1 to 5, wherein the second chamber is configured to be visible from the outside of the multi-chamber bag.   The multi-chamber bag according to any one of claims 1 to 6, wherein the first chamber is formed of a sheet having a sealant layer having heat-fusibility.   The multi-chamber bag according to any one of claims 1 to 7, wherein the second chamber is formed of a sheet having a sealant layer having heat-fusibility.   The multi-chamber bag according to any one of claims 1 to 8, further comprising a notch or an opening line on an upper side of the occlusion portion.   The multi-chamber bag according to any one of claims 1 to 9, further comprising a gusset portion on a bottom side of the multi-chamber bag.   The package body which stored the contents in the multi-chamber bag as described in any one of Claims 1 thru | or 10.   The package according to claim 11, wherein a chemical is stored in the first chamber and a printed material is stored in the second chamber as contents.

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