WO2015105101A1 - Packaging bag - Google Patents

Packaging bag Download PDF

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Publication number
WO2015105101A1
WO2015105101A1 PCT/JP2015/050159 JP2015050159W WO2015105101A1 WO 2015105101 A1 WO2015105101 A1 WO 2015105101A1 JP 2015050159 W JP2015050159 W JP 2015050159W WO 2015105101 A1 WO2015105101 A1 WO 2015105101A1
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WO
WIPO (PCT)
Prior art keywords
opening
packaging bag
packaging
line
packaging film
Prior art date
Application number
PCT/JP2015/050159
Other languages
French (fr)
Japanese (ja)
Inventor
登志郎 山口
Original Assignee
久光製薬株式会社
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
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Publication date
Application filed by 久光製薬株式会社 filed Critical 久光製薬株式会社
Priority to JP2015556806A priority Critical patent/JP6268194B2/en
Publication of WO2015105101A1 publication Critical patent/WO2015105101A1/en

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    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65D—CONTAINERS FOR STORAGE OR TRANSPORT OF ARTICLES OR MATERIALS, e.g. BAGS, BARRELS, BOTTLES, BOXES, CANS, CARTONS, CRATES, DRUMS, JARS, TANKS, HOPPERS, FORWARDING CONTAINERS; ACCESSORIES, CLOSURES, OR FITTINGS THEREFOR; PACKAGING ELEMENTS; PACKAGES
    • B65D31/00—Bags or like containers made of paper and having structural provision for thickness of contents
    • B65D31/02—Bags or like containers made of paper and having structural provision for thickness of contents with laminated walls
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65D—CONTAINERS FOR STORAGE OR TRANSPORT OF ARTICLES OR MATERIALS, e.g. BAGS, BARRELS, BOTTLES, BOXES, CANS, CARTONS, CRATES, DRUMS, JARS, TANKS, HOPPERS, FORWARDING CONTAINERS; ACCESSORIES, CLOSURES, OR FITTINGS THEREFOR; PACKAGING ELEMENTS; PACKAGES
    • B65D75/00—Packages comprising articles or materials partially or wholly enclosed in strips, sheets, blanks, tubes, or webs of flexible sheet material, e.g. in folded wrappers
    • B65D75/28—Articles or materials wholly enclosed in composite wrappers, i.e. wrappers formed by associating or interconnecting two or more sheets or blanks
    • B65D75/30—Articles or materials enclosed between two opposed sheets or blanks having their margins united, e.g. by pressure-sensitive adhesive, crimping, heat-sealing, or welding

Definitions

  • the present invention relates to a packaging bag, and more particularly, to a packaging bag for packaging a sheet-like package such as a patch for transdermal administration of a drug.
  • Packaging bags for patches are generally provided with a straight line of weakening as disclosed in Patent Document 1.
  • the weak line is formed at the same position on the front and back of the packaging bag, so it is difficult to open and widen the edge of the cut formed after opening along the weak line (hereinafter referred to as “opening edge”).
  • opening edge the edge of the cut formed after opening along the weak line
  • the packaged object is separated from the opening edge, there is a problem that it is difficult to take out the packaged object inside.
  • this problem becomes significant because the outer peripheral portion of the packaging bag tends to adhere.
  • the surrounding seal portion is used as a seal between the easily peelable resin layers, and the packaging bag is opened after opening from the weak line formed along one side.
  • the packaging bag is opened so as to be a double door. If the packaging bag can be opened so as to be spread, the inner package can be easily taken out.
  • the weakening line is formed at the same position on the front and back of the packaging bag. It had to be inserted, and it took time and effort to take out the package.
  • an object of the present invention is to provide a packaging bag that allows easy removal of the package after opening.
  • a first packaging film and a second packaging film are overlapped, and the periphery of the packaging bag is cut to open the packaging bag.
  • a scheduled opening line is defined, and at least one of the first packaging film and the second packaging film has a property of curving in an unloaded state, and the packaging bag is arranged along the planned opening line.
  • the scheduled opening line is defined such that at least a part of the opening edge of the first packaging film is separated from the opening edge of the second packaging film.
  • the planned opening line when opening along the planned opening line, at least part of the portion between one end and the other end of the opening edge is one end and the other end. Some are located outside the straight line connecting
  • “outward” used in the present specification refers to an outward direction when viewed from the center of the packaging bag.
  • the packaging bag having such a configuration at the same time as opening, at least a part of the opening edge of the first packaging film is separated from the opening edge of the second packaging film. As a result, it is possible to insert a finger between the separated opening edges, and it is possible to easily take out the inner package.
  • At least a part of the opening edge of the first packaging film is 3 mm or more within 3 seconds immediately after opening the packaging bag along the planned opening line. It is preferable that the distance is away from the opening edge. If it is separated within 3 seconds, it is possible to cope with urgent need to take out the package, and if it is separated by 3 mm or more, it is possible to insert a finger into the packaging bag. is there.
  • the opening schedule line includes a first opening schedule line extending in parallel with the first side in the vicinity of the first side of the packaging bag, and the first side. What consists of the 2nd scheduled opening line extended in parallel with this 2nd side in the vicinity of the 2nd side of the packaging bag adjacent to is suitable.
  • the term “parallel” as used herein is not limited to a completely parallel state, but a general parallel state, for example, a slight angle with respect to the corresponding side, or a planned opening line itself is wavy. Including those that are.
  • a third scheduled opening line that extends in parallel with the third side of the rectangular packaging bag (side adjacent to the first or second side) may be provided.
  • silicon processing, embossing or sand processing to at least one of the inner surface of the first packaging film and the inner surface of the second packaging film. This is because sticking between packaging films or sticking between a packaging film and an article to be packaged can be suppressed.
  • the opening edges of the first and second packaging films are separated from each other, and it is easy to open and widen the opening edge. Become. Thereby, it becomes easy to take out the inner package.
  • the conventional packaging bag has a tendency to be in close contact with the first packaging film and the second packaging film. Since the distance is separated, it is easy to take out the packaged item, which is very effective.
  • FIGS. 2A to 2C are cross-sectional views taken along the line II-II in FIG. 1A schematically showing the state of the packaging bag before opening and after opening. It is a conceptual diagram which shows the preparation methods of the packaging bag which has the property to curve in an unloaded state. It is sectional drawing similar to FIG. 2 which shows another embodiment of the packaging bag by this invention.
  • (A)-(c) is a perspective view which shows the form of the weak line applicable to the packaging bag of this invention, respectively.
  • FIG. 1A is a perspective view showing an embodiment of a packaging bag 10 according to the present invention
  • FIG. 1B is a perspective view showing an opened state thereof.
  • FIGS. 2A to 2C are cross-sectional views schematically showing changes in the shape of the packaging bag 10 from before opening to after opening.
  • the outer shape of the packaging bag 10 according to the present invention is not particularly limited, it is assumed to be rectangular in this embodiment in order to simplify the explanation. “Rectangle” includes those with rounded corners.
  • the to-be-packaged object 12 which the packaging bag 10 packages is not limited, it is set as a sheet-like material, such as a patch for transdermally administering a drug.
  • the outer shape of the article to be packaged 12 is not particularly limited, but is a rectangle similar to the packaging bag 10 in this embodiment.
  • the packaging bag 10 includes a front side packaging film (hereinafter referred to as “first packaging film”) 14 and a back side packaging film (hereinafter referred to as “second packaging film”) 16.
  • first packaging film a front side packaging film
  • second packaging film a back side packaging film
  • Each of the packaging films 14 and 16 is preferably a composite film having two or more layers, and the first and second packaging films 14 and 16 may be laminated with different materials.
  • paper silicon processed paper, aluminum (AL), polyethylene terephthalate (PET), polyethylene (PE), polypropylene (PP), polyacrylonitrile (PAN), ethylene vinyl alcohol (EVOH), cellophane, etc. are mentioned, In the case of a composite film, what combined these arbitrarily is considered.
  • the first and second packaging films 14 and 16 are preferably formed by laminating at least a PET layer, an aluminum layer, and a PE layer in order from the outer surface side.
  • the PET layer has low oxygen permeability
  • the aluminum layer has excellent airtightness, and has appropriate strength or rigidity.
  • the PE layer is suitable for heat-sealing the packaging films 14 and 16.
  • the laminated structure of the packaging films 14 and 16 is not limited to the above, and can be variously considered.
  • PET / AL / PAN laminated, PET / PE / AL / PET laminated, cellophane / PE / AL / PET laminated, or cellophane / PE / AL / PAN A laminate or the like can be suitably used.
  • both the first and second packaging films 14 and 16 have a property of bending in an unloaded state.
  • the packaging films 14 and 16 having such properties can be produced by various methods. For example, in the case of a packaging film having a three-layer structure of a PET layer, an aluminum layer, and a PE layer, conceptually as shown in FIG. As shown in the drawing, packaging films 14 and 16 that are curved in an unloaded state are obtained by laminating the outer layer (PET layer) on the other side with tension applied to the outer layer (PE layer) on the other side. Can do. Further, the outer layer on one side can be made of a heat-shrinkable material, and after being laminated, the outer layer can be heat-treated to have a curved property.
  • the first and second packaging films 14 and 16 are oriented so that the concavely curved surface (PET layer side) is the outer surface of the packaging bag 10 in an unloaded state, and then the outer peripheral portions are sealed. . Thereby, the packaging bag 10 provided with an accommodating part and a seal part is formed.
  • a sealing method a heat sealing method is preferable, but other methods such as pressure bonding using an adhesive may be adopted.
  • the part shown with a dashed-two dotted line, ie, the straight line extended in parallel along each of two adjacent sides among the four sides of a packaging bag tears and opens a packaging bag. Therefore, the scheduled opening lines 18 and 20 are obtained.
  • a guide picture, symbol, or other display 22 In order to open along the planned opening lines 18 and 20, it is preferable to print a guide picture, symbol, or other display 22 on the surface of the packaging bag 10.
  • an arrow 22 is displayed, and it is more preferable to provide notches 23, 24, 25, 26, cut notches or saw-tooth cuts at the ends of the planned opening lines 18, 20. It is.
  • the strength of the packaging films 14, 16 may be locally weakened by heat treatment, or the perforation may be considered.
  • the method for opening the packaging bag 10 according to the present invention will be described with reference to FIGS.
  • the user starts from one of the notches (23) at the end of one opening planned line (first opening planned line) 18 with the arrow 22.
  • the packaging bag 10 is cut along the planned opening line 18 in the direction.
  • the packaging bag 10 is cut along the remaining opening schedule line (second opening schedule line) 20 in the direction of the arrow 22.
  • the inner portions of the respective opening edges 28 and 30 connect the both ends 32 and 34 of the opening edges 28 and 30. Bending starts around the connecting straight line, the unsealed edges 28 and 30 are separated from each other, and the state shown in FIG. 1B and FIG. In this state, since a part of the article 12 to be packaged is exposed, the user can pick up the exposed portion of the article 12 to be packaged with a finger, and can easily take it out.
  • a patch for heart disease or the like has a strong request to quickly apply the patch to the skin when a seizure occurs, but the packaging bag 10 according to the present embodiment can sufficiently meet such a request. is there.
  • the curve starts at the same time as opening, but it is preferable that the time to reach the final stable state shown in FIGS. 1B and 2C is within 3 seconds. This is because, if this state is reached within 3 seconds, it is considered that it is possible to cope with the case where the removal of the article to be packaged 12 requires an emergency.
  • Even in a conventional packaging bag depending on the type of the packaging film, if the packaging film is left unopened, the packaging film may bend gradually due to changes in humidity and temperature.
  • the packaging bag 10 according to the present invention has an opening edge immediately after opening. In order to separate 28 and 30 from each other, the packaging films 14 and 16 having a property of bending in an unloaded state are positively used, and both should be distinguished.
  • (b) in FIG. 2 may be the final stable state. Even in this state, the space S into which the finger is inserted is formed between the unsealing edges 28 and 30, and the inside of the packaging bag 10 can be pushed open from here to take out the article 12 to be packaged. Further, when the article 12 to be packaged is a sheet-like article, the outer peripheral portions of the first and second packaging films tend to be in close contact with each other in the conventional configuration. It is effective. If the size of the space S is 3 mm or more, and more preferably 10 mm or more, it is considered that a finger can be inserted. More preferably, the thickness is 20 mm. In this case, the object to be packaged 12 can be picked and taken out without inserting a finger into the space S and pushing the packaging bag 10 open.
  • the 1st and 2nd packaging films 14 and 16 shall have the property to curve together, only any one of the 1st and 2nd packaging films 14 and 16 has the property. It may be included. In this case, when opened, the state is as shown in FIG. In addition, only the portion that needs to be curved may be curved.
  • this curvature may reach a state where it is wound in a spring shape or a spiral shape, exceeding the state of FIG. 1C or FIG.
  • FIGS. 5A to 5C various forms as shown in FIGS. 5A to 5C are conceivable.
  • the weakening line 36 is formed as shown in the respective drawings in FIG. 5, only the hatched portion is curved with the line connecting the points 38 and 40 as an axis.
  • the opening schedule line is not limited to two along the two sides as shown in FIG. 2, and three opening schedule lines extending in parallel with the three sides of the packaging bag may be defined. Good.
  • parallel is not limited to a completely parallel state, but a general parallel state, for example, a slight angle with respect to a corresponding side, or a planned opening line itself is wavy. Also includes what is.
  • the inner surface of these packaging films is silicon. Processing, embossing, and sand processing should be performed.
  • SYMBOLS 10 Packaging bag, 12 ... Packaged object, 14 ... 1st packaging film, 16 ... 2nd packaging film, 18 ... 1st opening schedule line, 20 ... 2nd opening schedule line, 22 ... Arrow, 23 , 24, 25, 26 ... notches, 28, 30 ... opening edge, 32, 34 ... end of opening edge, 36 ... weak line, S ... space

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Chemical & Material Sciences (AREA)
  • Composite Materials (AREA)
  • Packages (AREA)
  • Bag Frames (AREA)
  • Medical Preparation Storing Or Oral Administration Devices (AREA)

Abstract

The present invention discloses a packaging bag allowing easy removal of the contents once opened. According to the present invention, a packaging bag (10) in which a first packaging film (14) and a second packaging film (16) are overlaid and the perimeter thereof is sealed is characterized in that designated opening lines (18, 20) to be cut in order to open the packaging bag are specified, the first packaging film and/or the second packaging film have the property of curving when no load is applied, and the designated opening lines are specified such that immediately after the packaging bag is opened along the designated opening lines, at least a part of the opening edge (28) of the first packaging film separates from the opening edge (30) of the second packaging film.

Description

包装袋Packaging bag
　本発明は、包装袋に関し、特に、例えば薬物を経皮投与する貼付剤のようなシート状被包装物を包装するための包装袋に関する。 The present invention relates to a packaging bag, and more particularly, to a packaging bag for packaging a sheet-like package such as a patch for transdermal administration of a drug.
　貼付剤用の包装袋としては、特許文献１に開示されているような一直線状の弱め線を備えたものが一般的である。この包装袋は、弱め線が包装袋の表裏の同一位置に形成されているため、弱め線に沿って開封した後に形成される切り口の縁部（以下、「開封縁」という）を開け広げにくく、また、被包装物が開封縁よりも離れて入っている場合には、中の被包装物を取り出しにくいという問題点がある。特に、貼付剤のようなシート状被包装物の場合、包装袋の外周部分が密着しやすいため、この問題は顕著となる。 包装 Packaging bags for patches are generally provided with a straight line of weakening as disclosed in Patent Document 1. In this packaging bag, the weak line is formed at the same position on the front and back of the packaging bag, so it is difficult to open and widen the edge of the cut formed after opening along the weak line (hereinafter referred to as “opening edge”). In addition, when the packaged object is separated from the opening edge, there is a problem that it is difficult to take out the packaged object inside. In particular, in the case of a sheet-like article to be packaged such as a patch, this problem becomes significant because the outer peripheral portion of the packaging bag tends to adhere.
　このため、従来においては、特許文献２に記載の包装袋のように、周囲のシール部を易剥離樹脂層同士のシールとし、一辺に沿って形成された弱め線から開封した後、包装袋を観音開きとなるように開封することができるようにしたものが提案されている。包装袋を観音開きとなるように開封することができれば、内部の被包装物を容易に取り出すことができる。 For this reason, conventionally, like the packaging bag described in Patent Document 2, the surrounding seal portion is used as a seal between the easily peelable resin layers, and the packaging bag is opened after opening from the weak line formed along one side. There has been proposed one that can be opened so as to be a double door. If the packaging bag can be opened so as to be spread, the inner package can be easily taken out.
登録実用新案第２５６６４４４号公報Registered Utility Model No. 2566444 特開平１１－１７１２４４号公報JP-A-11-171244
　しかし、特許文献２に記載の包装袋についても、弱め線が包装袋の表裏の同一位置に形成されているため、観音開きとなるように開封するためには開封端から指を包装袋の中に差し入れなければならず、やはり被包装物の取出しに手間がかかるものであった。 However, also in the packaging bag described in Patent Document 2, the weakening line is formed at the same position on the front and back of the packaging bag. It had to be inserted, and it took time and effort to take out the package.
　そこで、本発明は、開封後、被包装物の取出しが容易となる包装袋を提供することを目的とする。 Therefore, an object of the present invention is to provide a packaging bag that allows easy removal of the package after opening.
　上記目的を達成するために、本発明によれば、第１の包装フィルムと第２の包装フィルムとを重ね、その周囲を閉じてなる包装袋において、当該包装袋を開封するために切断されるべき開封予定線が規定されており、第１の包装フィルムと第２の包装フィルムの少なくとも一方が、無負荷状態で湾曲する性質を有しており、前記開封予定線に沿って当該包装袋を開封した直後から、第１の包装フィルムの開封縁の少なくとも一部が第２の包装フィルムの開封縁から離隔するように、開封予定線が規定されていることを特徴としている。 In order to achieve the above object, according to the present invention, a first packaging film and a second packaging film are overlapped, and the periphery of the packaging bag is cut to open the packaging bag. A scheduled opening line is defined, and at least one of the first packaging film and the second packaging film has a property of curving in an unloaded state, and the packaging bag is arranged along the planned opening line. Immediately after opening, the scheduled opening line is defined such that at least a part of the opening edge of the first packaging film is separated from the opening edge of the second packaging film.
　開封予定線の一例としては、開封予定線に沿って開封した場合、開封縁の一方の端部と他方の端部との間の部分の少なくとも一部が、一方の端部と他方の端部とを結ぶ直線よりも外方に位置するものがある。ここで、本明細書において用いる「外方」は包装袋の中心から見て外側の方向をいう。 As an example of the planned opening line, when opening along the planned opening line, at least part of the portion between one end and the other end of the opening edge is one end and the other end. Some are located outside the straight line connecting Here, “outward” used in the present specification refers to an outward direction when viewed from the center of the packaging bag.
　このような構成の包装袋においては、開封すると同時に第１の包装フィルムの開封縁の少なくとも一部が第２の包装フィルムの開封縁から離隔される。これによって、離隔した開封縁間に指を差し入れることができ、内部の被包装物を容易に取り出すことが可能となる。 In the packaging bag having such a configuration, at the same time as opening, at least a part of the opening edge of the first packaging film is separated from the opening edge of the second packaging film. As a result, it is possible to insert a finger between the separated opening edges, and it is possible to easily take out the inner package.
　開封縁同士の離隔の程度については、開封予定線に沿って包装袋を開封した直後から３秒以内に、第１の包装フィルムの開封縁の少なくとも一部が３ｍｍ以上、第２の包装フィルムの開封縁から離隔する程度とするのが好ましい。３秒以内に離隔していれば、被包装物の取出しに緊急を要する場合にも対応でき、また、３ｍｍ以上離隔していれば、指を包装袋内に差し入れることが可能であるからである。 Regarding the degree of separation between the opening edges, at least a part of the opening edge of the first packaging film is 3 mm or more within 3 seconds immediately after opening the packaging bag along the planned opening line. It is preferable that the distance is away from the opening edge. If it is separated within 3 seconds, it is possible to cope with urgent need to take out the package, and if it is separated by 3 mm or more, it is possible to insert a finger into the packaging bag. is there.
　包装袋が矩形（正方形を含む）である場合、開封予定線は、包装袋の第１の辺の近傍にてこの第１の辺と平行に延びる第１の開封予定線と、第１の辺に隣接する包装袋の第２の辺の近傍にてこの第２の辺と平行に延びる第２の開封予定線とからなるものが好適である。このような開封予定線に沿って開封した場合、包装袋の約半分の領域が湾曲し、開封縁同士の間が大きく離隔して、内部の被包装物が外部に露出することになり、被包装物の取出しがより一層容易になるためである。なお、ここでいう「平行」とは完全な平行状態に限らず、一般的な平行状態、例えば、対応の辺に対して若干の角度が付いたものや、開封予定線自体が波線状となっているものをも含む。また、矩形の包装袋の第３の辺（第１又は第２の辺に隣接する辺）と平行に延びる第３の開封予定線が設けられてもよい。 When the packaging bag is rectangular (including a square), the opening schedule line includes a first opening schedule line extending in parallel with the first side in the vicinity of the first side of the packaging bag, and the first side. What consists of the 2nd scheduled opening line extended in parallel with this 2nd side in the vicinity of the 2nd side of the packaging bag adjacent to is suitable. When opening along the planned opening line, about half of the area of the packaging bag is curved, the opening edges are greatly separated from each other, and the inner package is exposed to the outside. This is because the package can be taken out more easily. The term “parallel” as used herein is not limited to a completely parallel state, but a general parallel state, for example, a slight angle with respect to the corresponding side, or a planned opening line itself is wavy. Including those that are. In addition, a third scheduled opening line that extends in parallel with the third side of the rectangular packaging bag (side adjacent to the first or second side) may be provided.
　なお、開封予定線に沿っての開封を確実に行うために、開封予定線上に開封用の弱め線が形成されていることが有効である。 In addition, in order to reliably perform opening along the planned opening line, it is effective that a weakening line for opening is formed on the planned opening line.
　また、第１の包装フィルムの内面および第２の包装フィルムの内面の少なくとも一方にシリコン加工、エンボス加工又はサンド加工を施すことが好適である。包装フィルム同士の貼付き、或いは、包装フィルムと被包装物との貼付きを抑制できるからである。 Further, it is preferable to apply silicon processing, embossing or sand processing to at least one of the inner surface of the first packaging film and the inner surface of the second packaging film. This is because sticking between packaging films or sticking between a packaging film and an article to be packaged can be suppressed.
　以上述べたように、本発明によれば、包装袋を開封したと同時に、第１及び第２の包装フィルムの開封縁同士の間が離隔することになり、開封縁を開け広げることが容易となる。これにより、内部の被包装物の取出しが容易となる。特に、被包装物がシート状である場合には、従来の包装袋では、第１の包装フィルムと第２の包装フィルムに密着する傾向があったが、本発明によれば開封縁同士の間が離隔するため、被包装物が取り出し易く、極めて有効である。 As described above, according to the present invention, at the same time that the packaging bag is opened, the opening edges of the first and second packaging films are separated from each other, and it is easy to open and widen the opening edge. Become. Thereby, it becomes easy to take out the inner package. In particular, when the article to be packaged is in a sheet form, the conventional packaging bag has a tendency to be in close contact with the first packaging film and the second packaging film. Since the distance is separated, it is easy to take out the packaged item, which is very effective.
本発明による包装袋の一実施形態を示し、（ａ）は開封前、（ｂ）は開封後の状態を示す斜視図である。One Embodiment of the packaging bag by this invention is shown, (a) is before opening, (b) is a perspective view which shows the state after opening. （ａ）～（ｃ）は開封前から開封後の包装袋の状態を概略的に示す図１の（ａ）のII－II線に沿っての断面図である。FIGS. 2A to 2C are cross-sectional views taken along the line II-II in FIG. 1A schematically showing the state of the packaging bag before opening and after opening. 無負荷状態で湾曲する性質を有する包装袋の作製方法を示す概念図である。It is a conceptual diagram which shows the preparation methods of the packaging bag which has the property to curve in an unloaded state. 本発明による包装袋の別の実施形態を示す図２と同様な断面図である。It is sectional drawing similar to FIG. 2 which shows another embodiment of the packaging bag by this invention. （ａ）～（ｃ）はそれぞれ本発明の包装袋に適用可能である弱め線の形態を示す斜視図である。(A)-(c) is a perspective view which shows the form of the weak line applicable to the packaging bag of this invention, respectively.
　以下、図面を参照しながら本発明の好適な実施形態について詳細に説明する。なお、図中、同一又は相当部分には同一符号を付し、重複する説明は省略することとする。 Hereinafter, preferred embodiments of the present invention will be described in detail with reference to the drawings. In the drawings, the same or corresponding parts are denoted by the same reference numerals, and redundant description is omitted.
　図１の（ａ）は本発明による包装袋１０の一実施形態を示す斜視図であり、（ｂ）はその開封状態を示す斜視図である。図２の（ａ）～（ｃ）は、開封前から開封後の包装袋１０の形状変化を概略的に示す断面図である。 1A is a perspective view showing an embodiment of a packaging bag 10 according to the present invention, and FIG. 1B is a perspective view showing an opened state thereof. FIGS. 2A to 2C are cross-sectional views schematically showing changes in the shape of the packaging bag 10 from before opening to after opening.
　本発明による包装袋１０の外形は特に限定されないが、説明を簡単にするために、本実施形態では矩形とする。なお、「矩形」は、角が丸められたものも含むものとする。また、包装袋１０が包装する被包装物１２も限定されないが、例えば薬物を経皮投与する貼付剤等のシート状物とする。この被包装物１２の外形も特に限定されないが、本実施形態では、包装袋１０と相似の矩形とする。 Although the outer shape of the packaging bag 10 according to the present invention is not particularly limited, it is assumed to be rectangular in this embodiment in order to simplify the explanation. “Rectangle” includes those with rounded corners. Moreover, although the to-be-packaged object 12 which the packaging bag 10 packages is not limited, it is set as a sheet-like material, such as a patch for transdermally administering a drug. The outer shape of the article to be packaged 12 is not particularly limited, but is a rectangle similar to the packaging bag 10 in this embodiment.
　包装袋１０は、表側包装フィルム（以下、「第１の包装フィルム」という）１４と、裏側包装フィルム（以下、「第２の包装フィルム」という）１６とから構成されている。各包装フィルム１４，１６は、２層以上の複合フィルムとすることが好ましく、また、第１の包装フィルム１４と第２の包装フィルム１６とで積層される材料が異なっていてもよい。また、包装フィルム１４，１６を構成する材料としては、紙、シリコン加工紙、アルミニウム（ＡＬ）、ポリエチレンテレフタレート（ＰＥＴ）、ポリエチレン（ＰＥ）、ポリプロピレン（ＰＰ）、ポリアクリロニトリル（ＰＡＮ）、エチレンビニルアルコール（ＥＶＯＨ）及びセロハン等が挙げられ、複合フィルムの場合は、これらを任意に組み合わせたものが考えられる。 The packaging bag 10 includes a front side packaging film (hereinafter referred to as “first packaging film”) 14 and a back side packaging film (hereinafter referred to as “second packaging film”) 16. Each of the packaging films 14 and 16 is preferably a composite film having two or more layers, and the first and second packaging films 14 and 16 may be laminated with different materials. Moreover, as a material constituting the packaging films 14 and 16, paper, silicon processed paper, aluminum (AL), polyethylene terephthalate (PET), polyethylene (PE), polypropylene (PP), polyacrylonitrile (PAN), ethylene vinyl alcohol (EVOH), cellophane, etc. are mentioned, In the case of a composite film, what combined these arbitrarily is considered.
　具体的には、第１及び第２の包装フィルム１４，１６は、少なくともＰＥＴ層、アルミニウム層及びＰＥ層を、外面となる側より順に積層して形成されたものが好適である。ＰＥＴ層は酸素の透過性が低く、アルミニウム層は気密性に優れ、適当な強度ないし剛性を有するからである。また、ＰＥ層は包装フィルム１４，１６同士をヒートシールする場合に適している。このような材料による多層構造により、貼付剤等を包装する場合、薬物の劣化を防止できるとともに、貼付剤の形状を維持することができ、有効である。 Specifically, the first and second packaging films 14 and 16 are preferably formed by laminating at least a PET layer, an aluminum layer, and a PE layer in order from the outer surface side. This is because the PET layer has low oxygen permeability, the aluminum layer has excellent airtightness, and has appropriate strength or rigidity. The PE layer is suitable for heat-sealing the packaging films 14 and 16. When a patch or the like is packaged by such a multilayer structure of materials, it is possible to prevent deterioration of the drug and maintain the shape of the patch.
　勿論、包装フィルム１４，１６の積層構造は上記に限定されず、種々考えられる。例えば、外側より順に、ＰＥＴ／ＡＬ／ＰＡＮを積層したもの、ＰＥＴ／ＰＥ／ＡＬ／ＰＥＴを積層したもの、セロハン／ＰＥ／ＡＬ／ＰＥＴを積層したもの、或いは、セロハン／ＰＥ／ＡＬ／ＰＡＮを積層したもの等が好適に用いられ得る。 Of course, the laminated structure of the packaging films 14 and 16 is not limited to the above, and can be variously considered. For example, from the outside, PET / AL / PAN laminated, PET / PE / AL / PET laminated, cellophane / PE / AL / PET laminated, or cellophane / PE / AL / PAN A laminate or the like can be suitably used.
　また、第１及び第２の包装フィルム１４，１６は共に、無負荷状態で湾曲する性質を有している。かかる性質を有する包装フィルム１４，１６は、様々な方法で作製することが可能であるが、例えば、ＰＥＴ層、アルミニウム層及びＰＥ層の３層構造の包装フィルムの場合、図３に概念的に示すように、一方の側の外層（ＰＥ層）よりも他方の側の外層（ＰＥＴ層）にテンションをかけた状態で積層することで、無負荷状態で湾曲する包装フィルム１４，１６を得ることができる。また、一方の側の外層を熱収縮性の材料から構成し、積層後、その外層に対して加熱処理をすることで、湾曲する性質を持たせることもできる。 Also, both the first and second packaging films 14 and 16 have a property of bending in an unloaded state. The packaging films 14 and 16 having such properties can be produced by various methods. For example, in the case of a packaging film having a three-layer structure of a PET layer, an aluminum layer, and a PE layer, conceptually as shown in FIG. As shown in the drawing, packaging films 14 and 16 that are curved in an unloaded state are obtained by laminating the outer layer (PET layer) on the other side with tension applied to the outer layer (PE layer) on the other side. Can do. Further, the outer layer on one side can be made of a heat-shrinkable material, and after being laminated, the outer layer can be heat-treated to have a curved property.
　第１及び第２の包装フィルム１４，１６を、無負荷状態で凹状に湾曲する面（ＰＥＴ層側）が包装袋１０の外面となるように向け、互いに重ね合わせた後、外周部分をシールする。これによって、収容部とシール部とを備える包装袋１０が形成される。シール方法としてはヒートシール法が好ましいが、接着剤を用いての圧着など、他の方法を採ってもよい。 The first and second packaging films 14 and 16 are oriented so that the concavely curved surface (PET layer side) is the outer surface of the packaging bag 10 in an unloaded state, and then the outer peripheral portions are sealed. . Thereby, the packaging bag 10 provided with an accommodating part and a seal part is formed. As a sealing method, a heat sealing method is preferable, but other methods such as pressure bonding using an adhesive may be adopted.
　また、本実施形態に係る包装袋１０においては、二点鎖線で示す部分、すなわち包装袋の４辺のうち隣合う２辺のそれぞれに沿って平行に延びる直線が、包装袋を切り裂いて開封するため開封予定線１８，２０となっている。この開封予定線１８，２０に沿って開封するために、包装袋１０の表面にガイド用の絵や記号、その他の表示２２を印刷しておくことが好適である。図示実施形態では矢印２２が表示されている、また、開封予定線１８，２０の端部に、切欠き２３，２４，２５，２６、切込みノッチ又は鋸歯カット等を設けておくことが、より好適である。さらに、開封予定線１８，２０に沿っての開封をより確実に行うために、包装フィルム１４，１６の強度ないし剛性を弱めた弱め線を設けることが有効である。弱め線としては、包装フィルム１４，１６の強度を熱処理により局所的に脆弱化したものやミシン目等が考えられる。 Moreover, in the packaging bag 10 which concerns on this embodiment, the part shown with a dashed-two dotted line, ie, the straight line extended in parallel along each of two adjacent sides among the four sides of a packaging bag, tears and opens a packaging bag. Therefore, the scheduled opening lines 18 and 20 are obtained. In order to open along the planned opening lines 18 and 20, it is preferable to print a guide picture, symbol, or other display 22 on the surface of the packaging bag 10. In the illustrated embodiment, an arrow 22 is displayed, and it is more preferable to provide notches 23, 24, 25, 26, cut notches or saw-tooth cuts at the ends of the planned opening lines 18, 20. It is. Furthermore, it is effective to provide a weakening line that weakens the strength or rigidity of the packaging films 14 and 16 in order to more reliably perform opening along the planned opening lines 18 and 20. As the weakening line, the strength of the packaging films 14, 16 may be locally weakened by heat treatment, or the perforation may be considered.
　次に、図１及び図２を参照し、本発明による包装袋１０の開封方法について説明する。まず、包装袋１０を開封するためには、使用者は、一方の開封予定線（第１の開封予定線）１８の端部にある切欠きのいずれか（２３）を起点として、矢印２２の向きに開封予定線１８に沿って包装袋１０を切り裂く。次に、残った切欠き２６を起点にし、矢印２２の向きに残りの開封予定線（第２の開封予定線）２０に沿って包装袋１０を切り裂く。 Next, the method for opening the packaging bag 10 according to the present invention will be described with reference to FIGS. First, in order to open the packaging bag 10, the user starts from one of the notches (23) at the end of one opening planned line (first opening planned line) 18 with the arrow 22. The packaging bag 10 is cut along the planned opening line 18 in the direction. Next, starting from the remaining notch 26, the packaging bag 10 is cut along the remaining opening schedule line (second opening schedule line) 20 in the direction of the arrow 22.
　このようにして開封が完了すると、それと同時に、第１及び第２の包装フィルム１４，１６の性質によって、それぞれの開封縁２８，３０の内側部分が、開封縁２８，３０の両端３２，３４を結ぶ直線を軸にして外方に湾曲を開始し、開封縁２８，３０同士が離隔し、短時間のうちに図１の（ｂ）及び図２の（ｃ）に示す状態となる。この状態では、被包装物１２の一部が露出されることになるので、使用者は被包装物１２のこの露出部を指で摘むことができ、容易にこれを取り出すことが可能となる。特に、心臓病用貼付剤等は、発作が生じた際に迅速に貼付剤を皮膚に貼りたいという強い要請があるが、本実施形態に係る包装袋１０はかかる要請に十分に応え得るものである。 When the opening is completed in this way, at the same time, due to the nature of the first and second packaging films 14 and 16, the inner portions of the respective opening edges 28 and 30 connect the both ends 32 and 34 of the opening edges 28 and 30. Bending starts around the connecting straight line, the unsealed edges 28 and 30 are separated from each other, and the state shown in FIG. 1B and FIG. In this state, since a part of the article 12 to be packaged is exposed, the user can pick up the exposed portion of the article 12 to be packaged with a finger, and can easily take it out. In particular, a patch for heart disease or the like has a strong request to quickly apply the patch to the skin when a seizure occurs, but the packaging bag 10 according to the present embodiment can sufficiently meet such a request. is there.
　なお、開封と同時に湾曲が開始するが、図１の（ｂ）及び図２の（ｃ）に示す最終の安定状態に至るまでの時間は３秒以内であることが好ましい。３秒以内にこの状態になれば、被包装物１２の取出しに緊急を要する場合でも対応できると考えられるからである。従来の包装袋でも、包装フィルムの種類によっては開封後に放置しておくと、湿度や温度変化によって徐々に包装フィルムが湾曲することもあるが、本発明による包装袋１０は、開封直後から開封縁２８，３０同士を離隔させるために、無負荷状態で湾曲する性質を有する包装フィルム１４，１６を積極的に使用したものであり、両者は区別されるべきものである。 It should be noted that the curve starts at the same time as opening, but it is preferable that the time to reach the final stable state shown in FIGS. 1B and 2C is within 3 seconds. This is because, if this state is reached within 3 seconds, it is considered that it is possible to cope with the case where the removal of the article to be packaged 12 requires an emergency. Even in a conventional packaging bag, depending on the type of the packaging film, if the packaging film is left unopened, the packaging film may bend gradually due to changes in humidity and temperature. However, the packaging bag 10 according to the present invention has an opening edge immediately after opening. In order to separate 28 and 30 from each other, the packaging films 14 and 16 having a property of bending in an unloaded state are positively used, and both should be distinguished.
　また、図２の（ｂ）が最終の安定状態となってもよい。この状態でも、指を差し入れる空間Ｓが開封縁２８，３０間に形成されており、ここから包装袋１０の内部を押し開き、中の被包装物１２を取り出すことができるからである。また、被包装物１２がシート状物である場合、従来構成では第１及び第２の包装フィルムの外周部分は密着する傾向があるため、僅かでも開封縁２８，３０間に空間Ｓが形成されることは有効である。なお、この空間Ｓの大きさとしては、３ｍｍ以上、より好ましくは１０ｍｍ以上であれば、指の差込みが可能になると考えられる。更に好ましくは２０ｍｍであり、その場合には、指を空間Ｓに差し込んで包装袋１０を押し開かずとも、被包装物１２を摘んで取り出すことができる。 Also, (b) in FIG. 2 may be the final stable state. Even in this state, the space S into which the finger is inserted is formed between the unsealing edges 28 and 30, and the inside of the packaging bag 10 can be pushed open from here to take out the article 12 to be packaged. Further, when the article 12 to be packaged is a sheet-like article, the outer peripheral portions of the first and second packaging films tend to be in close contact with each other in the conventional configuration. It is effective. If the size of the space S is 3 mm or more, and more preferably 10 mm or more, it is considered that a finger can be inserted. More preferably, the thickness is 20 mm. In this case, the object to be packaged 12 can be picked and taken out without inserting a finger into the space S and pushing the packaging bag 10 open.
　以上、本発明の好適な実施形態について説明したが、本発明は上記実施形態に限定されないことは言うまでもない。 As mentioned above, although the suitable embodiment of the present invention was described, it cannot be overemphasized that the present invention is not limited to the above-mentioned embodiment.
　例えば、上記実施形態では、第１及び第２の包装フィルム１４，１６が共に湾曲する性質を有するものとしたが、第１及び第２の包装フィルム１４，１６のいずれか一方のみがその性質を有するものとしてもよい。この場合、開封すると、図４に示すような状態となる。また、湾曲が必要な部分のみが湾曲する性質を有するものであってもよい。 For example, in the said embodiment, although the 1st and 2nd packaging films 14 and 16 shall have the property to curve together, only any one of the 1st and 2nd packaging films 14 and 16 has the property. It may be included. In this case, when opened, the state is as shown in FIG. In addition, only the portion that needs to be curved may be curved.
　また、この湾曲は、図１の（ｃ）や図４の状態を超えて、ゼンマイ状或いは螺旋状に巻回した状態にまで至ってもよい。 Further, this curvature may reach a state where it is wound in a spring shape or a spiral shape, exceeding the state of FIG. 1C or FIG.
　さらに、開封予定線上に弱め線を形成する場合、図５の（ａ）～（ｃ）に示すような、種々の形態が考えられる。図５の各分図のように弱め線３６を形成した場合、符号３８，４０の点を結ぶ線を軸として斜線部分のみが湾曲することになる。 Furthermore, when forming a weakening line on the planned opening line, various forms as shown in FIGS. 5A to 5C are conceivable. When the weakening line 36 is formed as shown in the respective drawings in FIG. 5, only the hatched portion is curved with the line connecting the points 38 and 40 as an axis.
　また、矩形の包装袋の場合、開封予定線は図２に示すような２辺に沿う２本だけに限られず、包装袋の３辺と平行に延びる３本の開封予定線が規定されてもよい。なお、上述したが、「平行」とは完全な平行状態に限らず、一般的な平行状態、例えば、対応の辺に対して若干の角度が付いたものや、開封予定線自体が波線状となっているものをも含む。 Further, in the case of a rectangular packaging bag, the opening schedule line is not limited to two along the two sides as shown in FIG. 2, and three opening schedule lines extending in parallel with the three sides of the packaging bag may be defined. Good. As described above, “parallel” is not limited to a completely parallel state, but a general parallel state, for example, a slight angle with respect to a corresponding side, or a planned opening line itself is wavy. Also includes what is.
　さらにまた、第１及び第２の包装フィルム同士の貼付き、或いはこれらの包装フィルムが被包装物への貼付きを抑制すべく、これらの包装フィルムの内面（被包装物側の面）はシリコン加工やエンボス加工、サンド加工が施されるとよい。 Furthermore, in order to prevent the first and second packaging films from sticking to each other or these packaging films from sticking to the packaged object, the inner surface of these packaging films (the surface on the packaged object side) is silicon. Processing, embossing, and sand processing should be performed.
　１０…包装袋、１２…被包装物、１４…第１の包装フィルム、１６…第２の包装フィルム、１８…第１の開封予定線、２０…第２の開封予定線、２２…矢印、２３，２４，２５，２６…切欠き、２８，３０…開封縁、３２，３４…開封縁の端部、３６…弱め線、Ｓ…空間
  DESCRIPTION OF SYMBOLS 10 ... Packaging bag, 12 ... Packaged object, 14 ... 1st packaging film, 16 ... 2nd packaging film, 18 ... 1st opening schedule line, 20 ... 2nd opening schedule line, 22 ... Arrow, 23 , 24, 25, 26 ... notches, 28, 30 ... opening edge, 32, 34 ... end of opening edge, 36 ... weak line, S ... space

Claims (6)

  1. 　第１の包装フィルムと第２の包装フィルムとを重ね、その周囲を閉じてなる包装袋において、
    　当該包装袋を開封するために切断されるべき開封予定線が規定されており、
    　前記第１の包装フィルムと前記第２の包装フィルムの少なくとも一方が、無負荷状態で湾曲する性質を有しており、
    　前記開封予定線に沿って当該包装袋を開封した直後から、前記第１の包装フィルムの開封縁の少なくとも一部が前記第２の包装フィルムの開封縁から離隔するように、前記開封予定線が規定されていることを特徴とする、包装袋。     In the packaging bag formed by stacking the first packaging film and the second packaging film and closing the periphery thereof,
    The scheduled opening line to be cut to open the packaging bag is defined,
    At least one of the first packaging film and the second packaging film has a property of bending in an unloaded state,
    Immediately after opening the packaging bag along the planned opening line, the planned opening line is such that at least a part of the opening edge of the first packaging film is separated from the opening edge of the second packaging film. A packaging bag characterized by what is specified.
  2. 　前記開封予定線に沿って開封された当該包装袋の前記開封縁は、その一方の端部と他方の端部との間の部分の少なくとも一部が、前記一方の端部と前記他方の端部とを結ぶ直線よりも外方に位置していることを特徴とする、請求項１に記載の包装袋。 The opening edge of the packaging bag opened along the planned opening line is such that at least a part of a portion between one end and the other end is the one end and the other end. The packaging bag according to claim 1, wherein the packaging bag is located outward from a straight line connecting the portions.
  3. 　前記開封予定線に沿って当該包装袋を開封した直後から３秒以内に、前記第１の包装フィルムの開封縁の少なくとも一部が３ｍｍ以上、前記第２の包装フィルムの開封縁から離隔することを特徴とする、請求項１又は２に記載の包装袋。 Within 3 seconds immediately after opening the packaging bag along the planned opening line, at least a part of the opening edge of the first packaging film is separated from the opening edge of the second packaging film by 3 mm or more. The packaging bag of Claim 1 or 2 characterized by these.
  4. 　当該包装袋は矩形であり、
    　前記開封予定線は、当該包装袋の第１の辺の近傍にて前記第１の辺と平行に延びる第１の開封予定線と、前記第１の辺に隣接する当該包装袋の第２の辺の近傍にて前記第２の辺と平行に延びる第２の開封予定線とからなる、請求項１～３のいずれか一項に記載の包装袋。     The packaging bag is rectangular,
    The opening schedule line includes a first opening schedule line extending in parallel with the first side in the vicinity of the first side of the packaging bag, and a second opening of the packaging bag adjacent to the first side. The packaging bag according to any one of claims 1 to 3, comprising a second scheduled opening line extending in parallel with the second side in the vicinity of the side.
  5. 　前記開封予定線上に開封用の弱め線が形成されていることを特徴とする、請求項１～４のいずれか一項に記載の包装袋。 The packaging bag according to any one of claims 1 to 4, wherein a weakening line for opening is formed on the planned opening line.
  6. 　前記第１の包装フィルムの内面および前記第２の包装フィルムの内面の少なくとも一方にシリコン加工、エンボス加工又はサンド加工が施されていることを特徴とする、請求項１～５のいずれか一項に記載の包装袋。 6. The silicon processing, embossing, or sand processing is performed on at least one of the inner surface of the first packaging film and the inner surface of the second packaging film, according to any one of claims 1 to 5. Packaging bag as described in.
PCT/JP2015/050159 2014-01-10 2015-01-06 Packaging bag WO2015105101A1 (en)

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JP2019001525A (en) * 2017-06-16 2019-01-10 凸版印刷株式会社 Packaging bag
JP2019001523A (en) * 2017-06-16 2019-01-10 凸版印刷株式会社 Packaging bag
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WO2018230565A1 (en) * 2017-06-16 2018-12-20 凸版印刷株式会社 Packaging bag
JP2019001525A (en) * 2017-06-16 2019-01-10 凸版印刷株式会社 Packaging bag
JP2019001523A (en) * 2017-06-16 2019-01-10 凸版印刷株式会社 Packaging bag
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WO2022181480A1 (en) * 2021-02-24 2022-09-01 久光製薬株式会社 Packaged product of diclofenac-containing adhesive patch and method for stabilizing diclofenac sodium
JPWO2022181480A1 (en) * 2021-02-24 2022-09-01
US11872320B2 (en) 2021-02-25 2024-01-16 Hisamitsu Pharmaceutical Co., Inc. Method for treating osteoarthritis

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