JP6390116B2 - Packaging bags for disposable diapers - Google Patents

Packaging bags for disposable diapers Download PDF

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JP6390116B2
JP6390116B2 JP2014034829A JP2014034829A JP6390116B2 JP 6390116 B2 JP6390116 B2 JP 6390116B2 JP 2014034829 A JP2014034829 A JP 2014034829A JP 2014034829 A JP2014034829 A JP 2014034829A JP 6390116 B2 JP6390116 B2 JP 6390116B2
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packaging bag
surface portion
seal
easy
film member
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JP2015160614A (en
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朝井 欣哉
欣哉 朝井
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New Oji Paper Co Ltd
Oji Holdings Corp
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Oji Holdings Corp
Oji Paper Co Ltd
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Description

本発明は,複数個の使い捨ておむつ等を被覆するための包装袋に関する。具体的に説明すると,本発明の包装袋は,その内部に収納された使い捨ておむつ等を取り出す際に袋を開封するための易開封手段が形成されたものである。   The present invention relates to a packaging bag for covering a plurality of disposable diapers and the like. More specifically, the packaging bag of the present invention is formed with easy-opening means for opening the bag when taking out a disposable diaper or the like housed therein.

使い捨ておむつ等の衛生用品は,一般的に,複数個を一つにまとめて圧縮し,上下に複数段,左右に複数個並べた状態で包装袋内に収納されている。このため,使い捨ておむつは,複数個を一セットとして包装袋に収納した状態で,運搬されたり販売されたりすることが多い。このような使い捨ておむつの包装袋は,運搬時や販売時において,その内部にホコリやゴミなどの異物が混入することを防ぐために,その内部を出来る限り密閉し,衛生状態を保つようにされている。このため,使い捨ておむつを使用するためには,包装袋を開封して開口部を形成し,この開口部から使い捨ておむつを取り出す必要がある。   In general, sanitary goods such as disposable diapers are compressed in a plurality of pieces and stored in a packaging bag in a state where a plurality of items are arranged vertically and a plurality are arranged side by side. For this reason, disposable diapers are often transported or sold in a state where a plurality of disposable diapers are stored in a packaging bag. Such disposable diaper packaging bags are designed to be kept in a sanitary state by sealing the inside as much as possible in order to prevent foreign matter such as dust and debris from entering the bag during transportation and sales. Yes. For this reason, in order to use a disposable diaper, it is necessary to open a packaging bag, to form an opening part, and to take out a disposable diaper from this opening part.

そこで,従来から,使い捨ておむつ等の包装袋に,袋の開封を容易にするためのミシン目線等を設ける技術が提案されている(例えば特許文献1,特許文献2,特許文献3)。   Therefore, conventionally, a technique has been proposed in which a perforation line or the like for facilitating the opening of a bag is provided on a packaging bag such as a disposable diaper (for example, Patent Document 1, Patent Document 2, and Patent Document 3).

例えば,特許文献1に記載の包装袋は,その前面から側面に掛けて,開封用のミシン目線を形成することとしている。すなわち,特許文献1の包装袋は,プラスチックフィルムによって,天地面,前後面,及び左右両側面を有するほぼ直方体の袋体を形成し,その内部に一方の側面から他方の側面にわたって多数の紙おむつを圧縮状態でかつ縦向きに重ね合わせた状態で収容している。そして,特許文献1に記載の包装袋は,一方の側面から前後面の一方の面に繋がり,その前後面の一方の面の裾に向かって,紙おむつの取り出し用のほぼアーチ状のミシン目または切れ目が形成されていることを特徴としている。   For example, the packaging bag described in Patent Document 1 is hung from the front surface to the side surface to form a perforation line for opening. That is, the packaging bag of Patent Document 1 is formed by a plastic film to form a substantially rectangular bag body having a ceiling, front and rear surfaces, and both left and right side surfaces, and a large number of paper diapers are formed inside from one side to the other side. It is housed in a compressed state and superimposed vertically. The packaging bag described in Patent Document 1 is connected to one side of the front and rear surfaces from one side surface, toward the hem of one surface of the front and rear surfaces, or a substantially arched perforation for taking out a paper diaper It is characterized by a cut.

また,特許文献2に記載の包装袋は,紙おむつ等被包装物用パッケージに関するものである。特許文献2の包装袋は,両谷折り線の離間区間内で前面部に被包装物を取り出す開口部を形成するための線状ミシン目を施しており,該線状ミシン目が,略逆U字形もしくは略逆V字形の急勾配山型形状となっている。   Moreover, the packaging bag of patent document 2 is related with the package for articles to be packaged, such as a paper diaper. The packaging bag of Patent Document 2 is provided with a linear perforation for forming an opening for taking out an object to be packaged on the front surface within a separation section between both valley fold lines, and the linear perforation is substantially reversed. It has a U-shaped or substantially inverted V-shaped steep mountain shape.

また,特許文献3に記載の包装袋は,紙おむつ等の包装袋に関するものである。特許文献3の包装袋は,上開口部のシールラインよりも下方で充填収容される被包装物の上面に至るまでの区間で該包装袋の底面と概ね平行に破断線を付設している。これにより,紙おむつを取り出し易くすると同時に,破断線の上部が開口部を覆うためにゴミ等の混入も防止している。   Moreover, the packaging bag of patent document 3 is related with packaging bags, such as a paper diaper. The packaging bag of Patent Document 3 is provided with a rupture line substantially parallel to the bottom surface of the packaging bag in a section extending from the seal line of the upper opening portion to the upper surface of the package to be filled and accommodated. This makes it easier to take out the disposable diaper, and at the same time prevents the entry of dust and the like because the upper part of the breaking line covers the opening.

特開平11−100045号公報Japanese Patent Laid-Open No. 11-100045 特開2001−294264号公報JP 2001-294264 A 特開2011−301859号公報JP 2011-301859 A

ところで,上記した特許文献1〜3に記載の包装袋は,いずれも,ミシン目線等の易開封手段を,包装袋の前面や,後面,左側面,右側面などの周面部分に形成したものである。しかしながら,これらの従来の技術のように,包装袋の周面部分にミシン目線を形成すると,周面を形成するフィルムに微細な貫通孔が複数形成されることとなる。すると,包装袋に形成されたミシン目線を通じて,包装袋の中に,湿気や,水分,塵,埃,ダニ,ノミなどの異物が入り込む可能性がある。例えば,包装袋の搬送中に雨水や飲料などの液体が掛った場合や,包装袋が埃っぽい場所に保管されている場合など,包装袋の中に異物が混入する恐れがある。そうすると,包装袋中の衛生状態を確保することができず,使い捨ておむつなどの衛生物品に悪影響を及ぼす恐れがあった。つまり,包装袋中の周面部分にミシン目線等を形成すると,包装袋の内部を完全には密閉することが出来ないという問題あった。   By the way, the packaging bags described in Patent Documents 1 to 3 described above are formed by forming easy-opening means such as perforation lines on the front surface, the rear surface, the left side surface, the right side surface and the like of the packaging bag. It is. However, when the perforation line is formed in the peripheral surface portion of the packaging bag as in these conventional techniques, a plurality of fine through holes are formed in the film forming the peripheral surface. Then, through the perforation line formed in the packaging bag, there is a possibility that foreign matter such as moisture, moisture, dust, dust, mites, fleas and the like enter the packaging bag. For example, there is a possibility that foreign matter may be mixed in the packaging bag when liquid such as rain water or beverage is splashed during transportation of the packaging bag or when the packaging bag is stored in a dusty place. If it does so, the sanitary condition in a packaging bag could not be ensured and there was a possibility of having a bad influence on hygiene articles, such as a disposable diaper. In other words, if a perforation line or the like is formed on the peripheral surface portion of the packaging bag, the inside of the packaging bag cannot be completely sealed.

このように,衛生物品である使い捨ておむつ等について,利用者が包装袋を開封したときに,その使い捨ておむつが塵や埃等で汚れていることは問題となる。また,使い捨ておむつは液体を吸収する性質を持つため,包装袋の中に湿気や水分が混入すると,使い捨ておむつの吸収性能に悪影響を及ぼす可能性がある。特に,包装袋は開封されずに長期間保管されることも想定されるため,包装袋の中に湿気等が入り込むと,その保管期間中に,使い捨ておむつにカビが繁殖してしまい,商品として販売できなくなる恐れもあった。   Thus, about the disposable diaper etc. which are hygiene articles, when a user opens a packaging bag, it will become a problem that the disposable diaper is dirty with dust, dust, etc. Disposable diapers have the property of absorbing liquids, so if moisture or moisture enters the packaging bag, it may adversely affect the absorption performance of disposable diapers. In particular, the packaging bag is assumed to be stored for a long time without being opened. Therefore, if moisture enters the packaging bag, mold will propagate in the disposable diaper during the storage period, and as a product. There was also a risk of being unable to sell.

このため,現在では,使い捨ておむつ等の衛生物品を被覆するための包装袋において,それを開封し易くするミシン目線などの易開封手段を設けつつも,そのミシン目線などの微細孔から異物が混入する事態を防止するための技術が求められている。   For this reason, nowadays, packaging bags for covering sanitary articles such as disposable diapers are provided with easy-opening means such as perforations to make them easy to open, but foreign matter is mixed in through the fine holes such as perforations. There is a need for technology to prevent this situation.

そこで,本発明の発明者は,上記した従来の問題の解決手段について鋭意検討した結果,包装袋の周面には,フィルム部材が重なり合った部分を接合したシール部が形成されていることに着目し,そのシール部にミシン目線などの易開封手段を設けることとした。包装袋のシール部は,包装袋の周面自体とは異なり,そこにミシン目線等の微細な孔を形成しても,その孔が包装袋の内部まで直接貫通することがない。このため,シール部にミシン目線等を形成することで,包装袋の内部を完全な密封状態に近づけることができるという知見を得た。そして,本発明者は,上記知見に基づけば,従来技術の課題を解決できることに想到し,本発明を完成させた。
具体的に説明すると,本発明は以下の構成を有する。
Accordingly, the inventors of the present invention have made extensive studies on the conventional means for solving the problems described above, and as a result, the peripheral surface of the packaging bag is formed with a seal portion formed by joining the overlapping portions of the film members. In addition, an easy opening means such as a perforation line is provided in the seal portion. The sealing portion of the packaging bag is different from the peripheral surface of the packaging bag itself, and even if a fine hole such as a perforation line is formed there, the hole does not penetrate directly into the packaging bag. For this reason, the knowledge that the inside of a packaging bag can be brought close to a perfect sealing state by forming a perforation line etc. in a seal part was acquired. The inventor has conceived that the problems of the prior art can be solved based on the above knowledge, and has completed the present invention.
More specifically, the present invention has the following configuration.

本発明の第1の側面は,使い捨ておむつ等の衛生物品を被覆するための包装袋に関する。
本発明の包装袋は,フィルム部材を含んで構成されるものであり,互いに上下に対向する天面部10及び底面部20と,天面部10及び底面部20を繋ぐ周面部30と,を有する。これらの天面部10,底面部20,及び周面部30は,一枚のフィルム部材で構成されていることが好ましい。
また,本発明の包装袋は,周面部30の少なくとも一部において,フィルム部材の重なり合った部分を接合したシール部40が形成されている。このシール部40は,包装袋の上下方向に延びて形成されている。シール部40は,接着剤などでフィルムを貼り合わせて形成されていてもよいし,ヒートシールや超音波シールなどでフィルムを融着させて形成されていてもよい。
そして,本発明の包装袋において,シール部40には,上下方向と直交する周方向に沿って当該シール部40を切断するための易開封手段50が形成されている。
The 1st side surface of this invention is related with the packaging bag for coat | covering hygiene articles, such as a disposable diaper.
The packaging bag of the present invention is configured to include a film member, and includes a top surface portion 10 and a bottom surface portion 20 that are vertically opposed to each other, and a peripheral surface portion 30 that connects the top surface portion 10 and the bottom surface portion 20. The top surface portion 10, the bottom surface portion 20, and the peripheral surface portion 30 are preferably composed of a single film member.
In the packaging bag of the present invention, at least a part of the peripheral surface portion 30 is formed with a seal portion 40 where the overlapping portions of the film members are joined. The seal portion 40 is formed to extend in the vertical direction of the packaging bag. The seal portion 40 may be formed by bonding a film with an adhesive or the like, or may be formed by fusing the film with a heat seal or an ultrasonic seal.
And in the packaging bag of this invention, the easy opening means 50 for cut | disconnecting the said seal part 40 is formed in the seal part 40 along the circumferential direction orthogonal to an up-down direction.

上記構成のように,フィルム部材が複数層に重なって接合されたシール部40に,ミシン目線等の易開封手段50を形成することで,包装袋の周面部30等のような内部に直接貫通する部分にミシン目線等を形成する必要がなくなる。従って,本発明によれば,包装袋を略完全に密封することも可能となり,包装袋内部に湿気や埃などの異物が混入する事態を防止することができる。また,シール部40に周方向に沿って延びる易開封手段50を形成しておくことで,この易開封手段50に沿ってシール部40を切断したときに,シール部40と連動して,包装袋の周面部30が裂けるようになる。従って,シール部40を易開封手段50に沿って切断すれば,簡単に包装袋を開封することができる。   By forming easy-opening means 50 such as a perforation line in the seal portion 40 where the film members are overlapped and bonded to each other as in the above-described configuration, the film member penetrates directly into the peripheral portion 30 or the like of the packaging bag. It is not necessary to form a perforation line or the like in the portion to be performed. Therefore, according to the present invention, it is possible to seal the packaging bag almost completely, and it is possible to prevent a foreign matter such as moisture or dust from entering the packaging bag. Further, by forming easy-opening means 50 extending along the circumferential direction in the seal portion 40, when the seal portion 40 is cut along the easy-open means 50, the packaging is interlocked with the seal portion 40 and packaged. The peripheral surface portion 30 of the bag is torn. Therefore, if the seal part 40 is cut along the easy-opening means 50, the packaging bag can be easily opened.

本発明の包装袋において,シール部40は,フィルム部材を合掌状態で重ね合せて接合することにより形成されていることが好ましい。   In the packaging bag of the present invention, the seal portion 40 is preferably formed by superimposing and joining the film members in a palmed state.

上記構成のように,フィルム部材を袋状に構成するにあたり,その一部が合掌状態で重なり合う部分を形成し,この合掌部分を接合することでシール部40を形成する。そして,この合掌状態にあるシール部40に易開封手段50を設けることにより,利用者は,そのシール部40を摘み持つことができるため,易開封手段50を介して包装袋を開封しやすくなる。特に,合掌状態のシール部40に易開封手段50を形成することで,包装袋の周面部30に貫通孔が形成される事態を,その構造上,完全に回避することが可能となる。   When the film member is formed into a bag shape as in the above-described configuration, a part of the film member overlaps in the palm state, and the seal portion 40 is formed by joining the palm portion. And by providing the easy opening means 50 in the sealing part 40 in this jointed state, since the user can pinch the sealing part 40, it becomes easy to open a packaging bag via the easy opening means 50. . In particular, by forming the easy-opening means 50 in the seal portion 40 in the palm-arranged state, it is possible to completely avoid a situation in which a through-hole is formed in the peripheral surface portion 30 of the packaging bag.

本発明の包装袋において,周面部30は,互いに対向する前面部31及び後面部32と,互いに対向する左側面部33及び右側面部34と,を有していてもよい。この場合に,シール部40は,左側面部33と右側面部34の両方に形成されていることが好ましい。そして,易開封手段50は,左側面部33側のシール部40aと,右側面部34側のシール部40bの両方に形成されていることが好ましい。なお,易開封手段50は,左側面部33側のシール部40aと,右側面部34側のシール部40bのいずれか一方に形成されていてもよい。   In the packaging bag of the present invention, the peripheral surface portion 30 may have a front surface portion 31 and a rear surface portion 32 facing each other, and a left side surface portion 33 and a right side surface portion 34 facing each other. In this case, the seal portion 40 is preferably formed on both the left side portion 33 and the right side portion 34. The easy-opening means 50 is preferably formed on both the seal portion 40a on the left side surface portion 33 side and the seal portion 40b on the right side surface portion 34 side. The easy-opening means 50 may be formed on one of the seal part 40a on the left side part 33 side and the seal part 40b on the right side part 34 side.

上記構成のように,シール部40a,40bを包装袋の左右両側に一つずつ形成し,その両方のシール部40a,40bに易開封手段50を設けることで,左右のどちらからでも包装袋を開封することが可能となる。このため,例えば,利用者は,包装袋の前面側又は後面側に掲載された説明などを読みながらであっても,左右の利き手に関係なく,容易に開封することが可能となる。さらに,本発明の包装袋は,従来技術のように周面部自体にミシン目線等を形成した場合と比較して,多少袋を開封しにくくなることも懸念されるが,包装袋の左右両側に一つずつ易開封手段50を形成することで,袋の開封しにくさを解消することができる。   As in the above configuration, one seal portion 40a, 40b is formed on each of the left and right sides of the packaging bag, and easy opening means 50 is provided on both seal portions 40a, 40b, so that the packaging bag can be opened from either the left or right side. It can be opened. For this reason, for example, the user can easily open the package regardless of the right or left hand even while reading the explanation posted on the front side or the rear side of the packaging bag. Furthermore, the packaging bag of the present invention may be somewhat difficult to open compared to the case where the perforated line is formed on the peripheral surface portion as in the prior art. By forming the easy-opening means 50 one by one, the difficulty of opening the bag can be eliminated.

本発明の包装袋は,例えば使い捨ておむつ等の被包装物Pを,上下方向に複数段積んだ状態で包装するものであることが好ましい。この場合に,易開封手段50は,被包装物Pの段の区切れ位置の少なくとも一つに相当する位置において,シール部40に形成されていることが好ましい。   The packaging bag of the present invention is preferably a packaging bag in which a plurality of articles P such as disposable diapers are stacked in a vertical direction. In this case, it is preferable that the easy-opening means 50 is formed on the seal portion 40 at a position corresponding to at least one of the steps of the packaged product P.

上記構成のように,被包装物Pが複数段に積まれて収納されている場合に,その段の区切り位置と一致するように易開封手段50を形成することで,利用者は,包装袋を開封して,被包装物Pを一段毎に取り出すことができる。このため,包装袋を一度開封した後であっても,残りの段の被包装物Pをそのまま収納しておくことが可能となる。また,包装袋が開封される向きに被包装物Pを複数個並べて収納しておくことで,包装袋の形態を保ちながら,天面部10を含む上側部分をきれいに開封することができる。従って,包装袋内に残っている被包装物Pが減っている状態にあっても,この被包装物Pがばらけて,包装袋から飛び出したりする事態を防止できる。   When the packaged goods P are stacked and stored in a plurality of stages as in the above configuration, the easy opening means 50 is formed so as to coincide with the separation position of the stages, so that the user can Can be unpacked and the articles to be packaged P can be taken out step by step. For this reason, even after the packaging bag has been opened once, the remaining article P to be packaged can be stored as it is. Further, by storing a plurality of articles to be packaged P in the direction in which the packaging bag is opened, the upper portion including the top surface portion 10 can be opened cleanly while maintaining the form of the packaging bag. Therefore, even in a state where the packaging material P remaining in the packaging bag is reduced, it is possible to prevent the packaging material P from being scattered and jumping out of the packaging bag.

本発明の包装袋において,易開封手段50は,被包装物Pの段の区切れ位置のそれぞれに相当する位置において,シール部40に形成されていてもよい。この場合に,シール部40には,被包装物Pの段を区別するための目印41が形成されていることが好ましい。   In the packaging bag of the present invention, the easy-opening means 50 may be formed on the seal portion 40 at positions corresponding to the stepped positions of the article P to be packaged. In this case, it is preferable that the seal portion 40 is formed with a mark 41 for distinguishing the step of the article P to be packaged.

上記構成のように,例えば被包装物Pの一段目,二段目,及び三段目を区別することができるような目印41をシール部40に形成することで,利用者は,易開封手段50を介して包装袋を開封し,上の段から順に被包装物Pを取り出すことができる。これにより,包装袋の開封位置を理解し易くなるとともに,包装袋の利便性が向上する。また,使い捨ておむつ等の包装袋の本体には,一般的に,ミシン目線等の易開封手段に関する取り扱い説明を記載する必要があるが,シール部40に目印41を設けることで,易開封手段に関する説明を省略することもできる。従って,包装袋の本体(天面部,底面部,周面部等)に易開封手段に関する説明を表記する必要がなくなることから,その分,包装袋の本体に製品情報などを表記することができるようになり,パッケージのデザイン的な制約を減らすことができる。   As in the above-described configuration, for example, by forming the mark 41 on the seal portion 40 so that the first, second, and third stages of the packaged product P can be distinguished, the user can easily open the package. The packaging bag can be opened through 50, and the articles to be packaged P can be taken out in order from the top. This makes it easier to understand the opening position of the packaging bag and improves the convenience of the packaging bag. In addition, it is generally necessary to describe handling instructions regarding easy-opening means such as perforations on the body of a packaging bag such as a disposable diaper, but by providing a mark 41 on the seal portion 40, it is possible to relate to easy-opening means. The description can be omitted. Accordingly, there is no need to indicate easy opening means on the packaging bag body (top surface, bottom surface, peripheral surface, etc.), so product information can be displayed on the packaging bag body accordingly. Thus, the design constraints of the package can be reduced.

本発明の包装袋において,それを構成するフィルム部材は,裂け易い方向であるMD方向と,当該MD方向に直交するCD方向と,を有することが好ましい。この場合において,周面部30は,周方向がフィルム部材のMD方向と一致し,上下方向がフィルム部材のCD方向と一致することが好ましい。   In the packaging bag of this invention, it is preferable that the film member which comprises it has MD direction which is a direction which is easy to tear, and CD direction orthogonal to the said MD direction. In this case, it is preferable that the circumferential surface portion 30 has a circumferential direction that coincides with the MD direction of the film member, and a vertical direction that coincides with the CD direction of the film member.

上記構成のように,周面部30を構成するフィルム部材のMD方向(フィルムの裂け易い方向)が,包装袋の周方向と一致していることで,易開封手段50に沿ってシール部40を切断したときに,シール部40と連動して包装袋の周面部30を開封し易くなる。また,フィルム部材はMD方向に沿って直線的に裂け易い性質を持つため,易開封手段50に沿ってシール部40を切断したときに,その易開封手段50が延びる方向に沿って周面部30が直線的に破断しやすくなる。よって,包装袋をきれいに開封できるようになる。   As in the above configuration, the MD direction of the film member constituting the peripheral surface portion 30 (the direction in which the film is easily torn) coincides with the peripheral direction of the packaging bag. When cut, the peripheral surface portion 30 of the packaging bag can be easily opened in conjunction with the seal portion 40. Further, since the film member has a property of being easily torn linearly along the MD direction, when the seal portion 40 is cut along the easy-opening means 50, the peripheral surface portion 30 along the direction in which the easy-opening means 50 extends. Becomes easy to break linearly. Therefore, the packaging bag can be opened cleanly.

本発明によれば,包装袋を開封し易くするミシン目線などの易開封手段を設けた場合であっても,そのミシン目線などの微細孔から異物が混入する事態を効果的に防止することができる。   According to the present invention, even when an easy opening means such as a perforation line that makes it easy to open the packaging bag is provided, it is possible to effectively prevent a situation in which a foreign substance is mixed from a fine hole such as the perforation line. it can.

図1は,第1の実施形態に係る包装袋を示した外観斜視図である。FIG. 1 is an external perspective view showing a packaging bag according to the first embodiment. 図2は,第1の実施形態に係る包装袋の展開図である。FIG. 2 is an exploded view of the packaging bag according to the first embodiment. 図3は,図1に示した包装袋の開封状態の一例を示している。FIG. 3 shows an example of the opened state of the packaging bag shown in FIG. 図4は,包装袋のシール部に形成される易開封手段の様々な形態を示している。FIG. 4 shows various forms of easy-opening means formed on the seal portion of the packaging bag. 図5は,第2の実施形態に係る包装袋を示した外観斜視図である。FIG. 5 is an external perspective view showing a packaging bag according to the second embodiment. 図6は,第2の実施形態に係る包装袋の展開図である。FIG. 6 is a development view of the packaging bag according to the second embodiment. 図7は,第3の実施形態に係る包装袋を示した外観斜視図である。FIG. 7 is an external perspective view showing a packaging bag according to the third embodiment.

以下,図面を用いて本発明を実施するための形態について説明する。本発明は,以下に説明する形態に限定されるものではなく,以下の形態から当業者が自明な範囲で適宜修正したものも含む。   Hereinafter, embodiments for carrying out the present invention will be described with reference to the drawings. The present invention is not limited to the embodiments described below, but includes those appropriately modified by those skilled in the art from the following embodiments.

(1.第1の実施形態)
図1は,本発明の第1の実施形態に係る包装袋100の外観斜視図を示している。図1に示されるように,本実施形態の包装袋100は,天面部10,底面部20,及び周面部30から構成された本体部に,把手部材60が取り付けられた構成となっている。また,図2は,第1の実施形態に係る包装袋100のうち,本体部を構成するフィルム部材100´の展開図を示している。図2の展開図において,フィルム内の実線は折線を示している。図2に示されるように,本実施形態の包装袋は,熱可塑性樹脂からなる一枚の矩形状のフィルム部材100´を折り曲げて,一部を接合することにより,天面部10,底面部20,及び周面部30からなる袋状に構成することができるようになっている。
ただし,図1及び図2に示した実施形態は一例であり,例えば,天面部10,底面部20,及び周面部30からなる本体部を,複数枚のフィルム部材を繋ぎ合わせて構成することも可能である。
(1. First embodiment)
FIG. 1 shows an external perspective view of a packaging bag 100 according to the first embodiment of the present invention. As shown in FIG. 1, the packaging bag 100 of the present embodiment has a configuration in which a handle member 60 is attached to a main body portion that includes a top surface portion 10, a bottom surface portion 20, and a peripheral surface portion 30. Moreover, FIG. 2 has shown the expanded view of film member 100 'which comprises a main-body part among the packaging bags 100 which concern on 1st Embodiment. In the developed view of FIG. 2, the solid line in the film indicates a broken line. As shown in FIG. 2, the packaging bag of this embodiment is formed by bending a single rectangular film member 100 ′ made of a thermoplastic resin and joining a part thereof to form a top surface portion 10 and a bottom surface portion 20. , And the peripheral surface portion 30 can be formed into a bag shape.
However, the embodiment shown in FIG. 1 and FIG. 2 is an example. For example, the main body portion including the top surface portion 10, the bottom surface portion 20, and the peripheral surface portion 30 may be configured by connecting a plurality of film members. Is possible.

図1に示されるように,本実施形態の包装袋100は,いわゆるループバック式の構造とされている。具体的に説明すると,本実施形態の包装袋100は,上下方向に互いに対向する天面部10及び底面部20と,これらの天面部10と底面部20とを繋ぐ周面部30を含んで構成されている。周面部30は,互いに対向する前面部31及び後面部32と,互いに対向する左側面部33及び右側面部34とに,区分されている。   As shown in FIG. 1, the packaging bag 100 of the present embodiment has a so-called loopback structure. More specifically, the packaging bag 100 of the present embodiment includes a top surface portion 10 and a bottom surface portion 20 that face each other in the vertical direction, and a peripheral surface portion 30 that connects the top surface portion 10 and the bottom surface portion 20. ing. The peripheral surface portion 30 is divided into a front surface portion 31 and a rear surface portion 32 that face each other, and a left surface portion 33 and a right surface portion 34 that face each other.

そして,左側面部33と右側面部34には,それぞれ,包装袋100の上下方向に延びるシール部40(40a,40b)が形成されている。左側面部33側のシール部40aは,左側面部33を構成するフィルムの一部を,合掌状態で二重に重ね合わせた状態で接合することにより形成されている。同様に,右側面部34側のシール部40bは,右側面部34を構成するフィルムの一部を,合掌状態で二重に重ね合わせた状態で接合することにより形成されている。このため,左右のシール部40(40a,40b)は,それぞれ,左右の側面部33,34から外側に突出するように形成されている。シール部40(40a,40b)は,流動性のある接着剤でフィルム部材を貼り合わせて形成されたものであってもよいし,ヒートシールや超音波シールによってフィルム部材を融着させることにより形成されたものであってもよい。   And the seal | sticker part 40 (40a, 40b) extended in the up-down direction of the packaging bag 100 is formed in the left side part 33 and the right side part 34, respectively. The seal portion 40a on the left side surface 33 side is formed by joining a part of the film constituting the left side surface portion 33 in a double overlapped state in a palmed state. Similarly, the seal portion 40b on the right side surface portion 34 side is formed by joining a part of the film constituting the right side surface portion 34 in a double overlapped state in a palmed state. For this reason, the left and right seal portions 40 (40a, 40b) are formed so as to protrude outward from the left and right side portions 33, 34, respectively. The seal portion 40 (40a, 40b) may be formed by bonding a film member with a fluid adhesive, or formed by fusing the film member by heat sealing or ultrasonic sealing. It may be what was done.

また,図2の展開図を参照すればわかるように,本実施形態において,包装袋100を構成するフィルム部材100´は,長手方向の中央部分に天面部10に相当する部分が設けられ,折線に沿って適宜折り曲げることで,袋状に構成されるものである。このとき,左側面部33及び右側面部34の側方には,シール部40(40a,40b)に相当する部分が延出して形成されている。つまり,この延出部分を合掌状態に重ね合わせて接合することで,シール部40(40a,40b)が形成されて,左側面部33と右側面部34が綴じられるようになっている。   In addition, as can be seen from the development view of FIG. 2, in this embodiment, the film member 100 ′ constituting the packaging bag 100 is provided with a portion corresponding to the top surface portion 10 at the center in the longitudinal direction, It is configured in a bag shape by being appropriately bent along At this time, portions corresponding to the seal portions 40 (40a, 40b) are formed to extend to the sides of the left side portion 33 and the right side portion 34. In other words, the extended portions are overlapped and joined in a palmed state to form the seal portion 40 (40a, 40b), and the left side surface portion 33 and the right side surface portion 34 are bound.

また,本実施形態では,天面部10を中心にフィルム部材100´を折り曲げて,シール部40(40a,40b)においてフィルム部材100´を接合し,左側面部33と右側面部34を綴じた状態において,底面部20は開封されたままとなる。そこで,この底面部20の開口から,使い捨ておむつ等の被包装物を,複数個まとめて,包装袋100に詰め込むことができる。被包装物は,包装袋100の上下方向に複数段積み上げられて,且つ,包装袋の左右方向に複数個で並んだ状態で,包装袋内に詰め込まれることが好ましい。特に,被包装物が使い捨ておむつである場合,その使い捨ておむつは2つ折り又は3つ折りにされた状態で,包装袋100の左右方向に圧縮されて,包装袋100内に詰め込まれるものであることが好ましい。そして,複数段毎に複数個で並べられた被包装物を詰め込んだ後に,包装袋100の底面部20を接合して,袋内を密封状態とすればよい。   In the present embodiment, the film member 100 ′ is bent around the top surface portion 10, the film member 100 ′ is joined at the seal portion 40 (40 a, 40 b), and the left side surface portion 33 and the right side surface portion 34 are bound. , The bottom part 20 remains unsealed. Therefore, a plurality of articles to be packaged such as disposable diapers can be packed into the packaging bag 100 from the opening of the bottom surface portion 20. It is preferable that a plurality of items to be packaged are stacked in a plurality of stages in the vertical direction of the packaging bag 100 and packed in the packaging bag in a state of being arranged in a plurality in the horizontal direction of the packaging bag. In particular, when the article to be packaged is a disposable diaper, the disposable diaper is compressed in the left-right direction of the packaging bag 100 in a state of being folded in two or three, and packed in the packaging bag 100. preferable. Then, after packing a plurality of articles to be packaged in a plurality of stages, the bottom portion 20 of the packaging bag 100 may be joined to make the inside of the bag sealed.

また,図1及び図2に示されるように,本実施形態において,天面部10には,上方に突出したリブ11が形成されている。リブ11は,図2に示されるように,天面部10の前後において,フィルム部材100´が二重以上に重なるように,フィルム部材100´を谷折り及び山折りに折り返すことで形成できる。本実施形態では,このようにして形成されたリブ11に,把手部材60を取り付けることができる。把手部材60は,例えば帯状のフィルムや紐などを,リブ11に取り付けることによって構成できる。把手部材60は,前面部31側と後面部32側の両方に設けられていることが好ましい。一対の把手部材60は,例えば,包装袋100を搬送する際などに,人手によって把持することができる。   As shown in FIGS. 1 and 2, in the present embodiment, the top surface portion 10 is formed with a rib 11 protruding upward. As shown in FIG. 2, the rib 11 can be formed by folding the film member 100 ′ into a valley fold and a mountain fold so that the film member 100 ′ overlaps more than double before and after the top surface portion 10. In the present embodiment, the handle member 60 can be attached to the rib 11 formed in this way. The handle member 60 can be configured by attaching, for example, a belt-like film or string to the rib 11. The handle member 60 is preferably provided on both the front surface portion 31 side and the rear surface portion 32 side. The pair of handle members 60 can be manually gripped when the packaging bag 100 is conveyed, for example.

続いて,上記のように構成された包装袋100を開封するための手段について説明する。
図1に示されるように,本発明の包装袋100は,シール部40(40a,40b)に,易開封手段50が形成されている。本実施形態では,シール部40(40a,40b)は,左側面部33と右側面部34のそれぞれに形成されている。この場合に,易開封手段50は,左側面部33側のシール部40aと,右側面部34側のシール40bのそれぞれに,形成されたものであることが好ましい。また,本実施形態において,シール部40(40a,40b)は,フィルム部材の一部を合掌状態で重ね合わせて接合することによって形成されており,このようなシール部40に易開封手段50が設けられている。易開封手段50とは,例えばミシン目線のように,それが形成された方向に沿ってシール部40を切断することを容易にするための手段である。図1に示されるように,本発明において,易開封手段50は,包装袋100の周方向と一致する方向に沿って形成されている。なお,ここにいう「周方向」とは,包装袋100を前面側又は後面側から見たときに,この包装袋100の上下方向(天面部10と底面部20を繋ぐ方向)に直交する方向である。図1に示されるように,周方向に沿って形成された易開封手段50は,上下方向に間隔をおいて複数箇所に形成されている。
Next, means for opening the packaging bag 100 configured as described above will be described.
As shown in FIG. 1, in the packaging bag 100 of the present invention, an easy-opening means 50 is formed in the seal portion 40 (40a, 40b). In the present embodiment, the seal portions 40 (40a, 40b) are formed on the left side surface portion 33 and the right side surface portion 34, respectively. In this case, it is preferable that the easy-opening means 50 is formed on each of the seal portion 40a on the left side surface portion 33 side and the seal 40b on the right side surface portion 34 side. Further, in the present embodiment, the seal portion 40 (40a, 40b) is formed by overlapping and joining a part of the film member in a palmed state, and the easy opening means 50 is attached to such a seal portion 40. Is provided. The easy-opening means 50 is means for facilitating cutting the seal portion 40 along the direction in which it is formed, for example, as perforated lines. As shown in FIG. 1, in the present invention, the easy-opening means 50 is formed along a direction that coincides with the circumferential direction of the packaging bag 100. The “circumferential direction” herein refers to a direction orthogonal to the vertical direction of the packaging bag 100 (the direction connecting the top surface portion 10 and the bottom surface portion 20) when the packaging bag 100 is viewed from the front side or the rear side. It is. As shown in FIG. 1, the easy-opening means 50 formed along the circumferential direction is formed at a plurality of locations at intervals in the vertical direction.

図3は,図1に示された包装袋100を,易開封手段50を介して,開封した状態を示している。図3に示されるように,易開封手段50に沿ってシール部40を切断すると,それがきっかけとなって,シール部40に連動して包装袋100の周面部30が裂けるようになる。これにより,包装袋100が周方向に沿って開封される。包装袋100を開封することで,包装袋100内に収納されている被包装物Pを取り出すことができる。被包装物Pの例は,使い捨ておむつや,尿パッド,生理用ナプキンなどの衛生物品である。   FIG. 3 shows a state where the packaging bag 100 shown in FIG. 1 is opened through the easy opening means 50. As shown in FIG. 3, when the seal portion 40 is cut along the easy-opening means 50, it becomes a trigger and the peripheral surface portion 30 of the packaging bag 100 is torn in conjunction with the seal portion 40. Thereby, the packaging bag 100 is opened along the circumferential direction. By opening the packaging bag 100, the article P to be packaged stored in the packaging bag 100 can be taken out. Examples of the article to be packaged P are sanitary articles such as disposable diapers, urine pads, sanitary napkins and the like.

ここで,図2及び図3に示されるように,包装袋100の本体部分を形成するフィルム部材100´は,MD方向とCD方向とを有することが好ましい。「フィルム部材のMD方向」とは,フィルム製造時における流れ方向(押し出し方向)であり,フィルムの分子配向に平行な向きであることから,一般的なフィルム部材はMD方向に裂け易いという性質を有している。他方,「フィルム部材のCD方向」とは,上記のMD方向と直交する方向であり,フィルムの分子配向と直交する向きであることから,一般的なフィルム部材はCD方向には裂け難いという性質を有している。ここで,図2及び図3に示されるように,フィルム部材100´のMD方向は,シール部40に形成された易開封手段50が延びる方向,すなわち包装袋100の周方向と一致することが好ましい。これにより,易開封手段50に沿ってシール部40を切断したときに,このシール部40と連動して,包装袋100の周面部30が周方向(MD方向)に沿って裂け易くなる。   Here, as FIG.2 and FIG.3 shows, it is preferable that film member 100 'which forms the main-body part of the packaging bag 100 has MD direction and CD direction. “MD direction of film member” is the flow direction (extrusion direction) at the time of film production, and is a direction parallel to the molecular orientation of the film. Therefore, a general film member tends to tear in the MD direction. Have. On the other hand, the “CD direction of the film member” is a direction orthogonal to the MD direction, and is a direction orthogonal to the molecular orientation of the film, so that a general film member is difficult to tear in the CD direction. have. Here, as shown in FIGS. 2 and 3, the MD direction of the film member 100 ′ may coincide with the direction in which the easy opening means 50 formed in the seal portion 40 extends, that is, the circumferential direction of the packaging bag 100. preferable. Thereby, when the seal part 40 is cut along the easy-opening means 50, the peripheral surface part 30 of the packaging bag 100 is easily torn along the circumferential direction (MD direction) in conjunction with the seal part 40.

なお,本発明に採用されるフィルム部材の素材は,特に限定されるものではなく,公知の熱可塑性素材のものを適宜採用できる。フィルム部材の種類としては,例えば,HDPE(高密度ポリエチレン)フィルム,LDPE(低密度ポリエチレン)フィルム,LLDPE(リニア低密度ポリエチレン)フィルム等のポリエチレンフィルム,ポリスチレンフィルム,ポリプロピレンフィルムである。また,フィルム部材は,これらのフィルムを積層して得られたものであってもよい。また,フィルム部材の厚さは,例えば,10〜80μmであるのが望ましい。フィルム部材の厚さが80μmを超えると,引裂き性が不十分となり,開封作業が困難になる恐れがある。また,フィルム部材の厚さが10μm未満であると,フィルムの強度が十分でなく不用意に破れる恐れが高まる。フィルム部材の引き裂き強度は,100〜800cNであるのが望ましい。なお,ここでの引き裂き強度は,JIS K 7128(トラウザー引き裂き法)に準じて,200mm/minで測定した際のMD方向に引き裂いた時の強度である。この引き裂き強度が100cN未満であると,不用意に破ける恐れがあり,800cNを超えると包装体の開封作業が困難となる。また,フィルム部材の伸長率は,100〜700%であるのが望ましい。なお,ここでのフィルムの伸長率は、JIS K 7127に準じて試験片幅15mm,チャック間距離50mm,速度300mm/minで測定したフィルム部材のMD方向の伸長率である。フィルム部材の伸長率が100%未満であると十分な強度が得られにくく,また,取り扱い性に劣るようになる。フィルム部材の伸びが700%を超えると,開封時に伸びて開封しづらくなったり,包装体の形状が崩れやすくなり,輸送性や取り扱い性が悪化する。   In addition, the raw material of the film member employ | adopted for this invention is not specifically limited, The thing of a well-known thermoplastic material can be employ | adopted suitably. Examples of the film member include HDPE (high density polyethylene) film, LDPE (low density polyethylene) film, polyethylene film such as LLDPE (linear low density polyethylene) film, polystyrene film, and polypropylene film. The film member may be obtained by laminating these films. The thickness of the film member is preferably 10 to 80 μm, for example. If the thickness of the film member exceeds 80 μm, the tearability becomes insufficient and the opening operation may be difficult. Further, if the thickness of the film member is less than 10 μm, the film strength is not sufficient and the risk of inadvertent tearing increases. The tear strength of the film member is preferably 100 to 800 cN. The tear strength here is the strength when tearing in the MD direction when measured at 200 mm / min according to JIS K 7128 (trouser tear method). If the tear strength is less than 100 cN, there is a risk of inadvertent tearing, and if it exceeds 800 cN, it is difficult to open the package. Further, it is desirable that the elongation rate of the film member is 100 to 700%. In addition, the elongation rate of the film here is the elongation rate in the MD direction of the film member measured according to JIS K 7127 at a test piece width of 15 mm, a distance between chucks of 50 mm, and a speed of 300 mm / min. When the elongation percentage of the film member is less than 100%, it is difficult to obtain sufficient strength, and the handleability is inferior. If the elongation of the film member exceeds 700%, it will be difficult to open when it is opened, or the shape of the package will be easily broken, and the transportability and handling properties will deteriorate.

また,包装袋100の本体部分を形成するフィルム部材100´は,MD方向へのストレートカット性を確保するために,一軸延伸加工又は二軸延伸加工が施された延伸フィルムであることが好ましい。すなわち,フィルムを構成する合成樹脂は,ある程度の加熱をしながら一定方向に引き揃えることで分子が変形方向に並び強度が増す性質を有している。このため,フィルムを一軸方向又は二軸方向に延伸させることで,MD方向へのストレートカット性と,CD方向の強度を確保することができる。特に,本発明では,フィルム部材100´として,ポリプロピレン系二軸延伸フィルム(OPPフィルム)を用いることが好ましい。延伸フィルムの製造方法等は,公知の手法を用いればよい。   Moreover, it is preferable that film member 100 'which forms the main-body part of the packaging bag 100 is a stretched film to which the uniaxial stretching process or the biaxial stretching process was given, in order to ensure the straight cut property to MD direction. That is, the synthetic resin constituting the film has the property that the molecules are aligned in the deformation direction and the strength is increased by aligning in a certain direction while heating to some extent. For this reason, the straight cut property to MD direction and the intensity | strength of CD direction are securable by extending a film to a uniaxial direction or a biaxial direction. In particular, in the present invention, it is preferable to use a polypropylene biaxially stretched film (OPP film) as the film member 100 '. A known method may be used as a method for producing the stretched film.

図4は,シール部40に形成する易開封手段50の様々なバリエーションを示している。
図4(a)は,図1〜図3に図示した例と同様に,易開封手段50がミシン目線51である場合を示している。ミシン目線51は,複数のミシン目(微細孔)が,一又は複数列で並んで形成されたものである。ミシン目線は,複数のミシン目が一列に並んだものであってもよいし,二列以上に並んだものであってもよいし,千鳥線状に並んだものであってもよい。シール部40はフィルム部材が二層に重なり合って形成されているが,ミシン目線51は,この二層のフィルム部材の両方を貫通するようにミシン目(微細孔)が形成されたものであることが好ましい。
FIG. 4 shows various variations of the easy opening means 50 formed in the seal portion 40.
4A shows a case where the easy-opening means 50 is a perforation line 51, as in the example shown in FIGS. The perforation line 51 is formed by arranging a plurality of perforations (fine holes) in one or a plurality of rows. The perforation line may be one in which a plurality of perforations are arranged in a line, may be arranged in two or more lines, or may be arranged in a staggered line shape. The seal portion 40 is formed by overlapping film members in two layers, but the perforation line 51 has a perforation (micropore) formed so as to penetrate both of the two layers of film members. Is preferred.

図4(b)は,易開封手段50が,スリット52である場合を示している。スリット52は,シール部40に形成された切り込みである。スリット52は,シール部40の幅方向全体に亘って形成されたものではなく,シール部40の幅方向外側から内側に向かって途中まで形成されている。   FIG. 4B shows a case where the easy opening means 50 is a slit 52. The slit 52 is a cut formed in the seal portion 40. The slit 52 is not formed over the entire width direction of the seal portion 40, but is formed halfway from the outer side in the width direction of the seal portion 40 toward the inner side.

図4(c)は,易開封手段50が,切欠き53である場合を示している。切欠き53は,シール部40の一部を切り落とすことにより形成される。切欠き53は,例えば,シール部40の幅方向外側から内側に向かって先細となるように略V字型に形成されたものであることが好ましい。   FIG. 4C shows a case where the easy opening means 50 is a notch 53. The notch 53 is formed by cutting off a part of the seal portion 40. The notch 53 is preferably formed in a substantially V shape so as to taper from the outside in the width direction of the seal portion 40 toward the inside, for example.

図4(d)は,易開封手段50が,シール部40に多数形成された貫通孔54である場合を示している。図4(d)に示した例では,シール部40に多数の貫通孔54を形成することで,どの部分からでも切断することのできるユニバーサルデザインを構成している。なお,このようなユニバーサルデザインは,シール部40に貫通孔54を形成することだけでなく,例えばシール部40を構成するフィルムの素材や繊維配向を調節して,どの位置からでも簡単に切断することができるようにしてもよい。   FIG. 4 (d) shows a case where the easy-opening means 50 is a plurality of through holes 54 formed in the seal portion 40. In the example shown in FIG. 4D, a universal design that can be cut from any portion is formed by forming a large number of through holes 54 in the seal portion 40. In addition, such a universal design not only forms the through hole 54 in the seal portion 40 but also easily cuts from any position by adjusting the material of the film constituting the seal portion 40 and the fiber orientation. You may be able to do that.

上記構成のように,シール部40にミシン目線等の易開封手段50を形成することで,包装袋の周面部30等のような内部に直接貫通する部分に,ミシン目線等を形成する必要がなくなる。従って,本発明によれば,包装袋を略完全に密封することが可能となり,包装袋内部に湿気や埃などの異物が混入する事態を効果的に防止することができる。特に,合掌状態のシール部40に易開封手段50を形成することで,包装袋の周面部30に貫通孔が形成される事態を,構造上完全に回避することが可能となる。また,シール部40に周方向に沿って延びる易開封手段50を形成しておくことで,この易開封手段50に沿ってシール部40を切断したときに,シール部40と連動して包装袋の周面部30も裂けるようになる。従って,シール部40を易開封手段50に沿って切断すれば,簡単に,包装袋を開封することができる。特に,シール部40(40a,40b)を包装袋の左右両側に一つずつ形成し,その両方のシール部40(40a,40b)の両方に易開封手段50を設けることで,左右のどちらかでも包装袋を開封することが可能となる。さらに,本発明の包装袋は,従来技術のように周面部自体にミシン目線等を形成した場合と比較して,多少袋を開封しにくくなることも懸念されるが,包装袋の左右両側に一つずつ易開封手段50を形成することで,袋の開封しにくさを解消することができる。   As in the above configuration, it is necessary to form the perforation line or the like in a portion that penetrates directly into the interior such as the peripheral surface part 30 of the packaging bag by forming the easy opening means 50 such as the perforation line in the seal part 40. Disappear. Therefore, according to the present invention, it is possible to seal the packaging bag almost completely, and it is possible to effectively prevent a foreign matter such as moisture or dust from entering the packaging bag. In particular, by forming the easy-opening means 50 in the seal portion 40 in the palm-arranged state, it is possible to completely avoid a situation in which a through-hole is formed in the peripheral surface portion 30 of the packaging bag. Further, by forming easy-opening means 50 extending along the circumferential direction in the seal portion 40, the packaging bag is interlocked with the seal portion 40 when the seal portion 40 is cut along the easy-open means 50. The peripheral surface part 30 of this also comes to tear. Therefore, if the seal part 40 is cut along the easy-opening means 50, the packaging bag can be easily opened. In particular, one seal part 40 (40a, 40b) is formed on each of the left and right sides of the packaging bag, and easy-opening means 50 is provided on both of the seal parts 40 (40a, 40b). However, it is possible to open the packaging bag. Furthermore, the packaging bag of the present invention may be somewhat difficult to open compared to the case where the perforated line is formed on the peripheral surface portion as in the prior art. By forming the easy-opening means 50 one by one, the difficulty of opening the bag can be eliminated.

(2.第2の実施形態)
続いて,図5及び図6を参照して,本発明の第2の実施形態に係る包装袋200について説明する。第2の実施形態については,上述した第1の実施形態と異なる点を中心に説明し,第1の実施形態と同様の構成についてその説明を省略する。
(2. Second Embodiment)
Subsequently, a packaging bag 200 according to a second embodiment of the present invention will be described with reference to FIGS. 5 and 6. The second embodiment will be described with a focus on differences from the above-described first embodiment, and the description of the same configuration as that of the first embodiment will be omitted.

図5は,本発明の第2の実施形態に係る包装袋200の外観斜視図を示している。図5に示されるように,本実施形態の包装袋200は,天面部10,底面部20,及び周面部30から構成されている。また,図6は,第2の実施形態に係る包装袋200を構成するフィルム部材200´の展開図を示している。図6の展開図において,フィルム内の実線は折線を示している。図6に示されるように,本実施形態の包装袋200は,熱可塑性樹脂からなる一枚の矩形状のフィルム部材を折り曲げて,一部を接合することにより,天面部10,底面部20,及び周面部30からなる袋状に構成することができるようになっている。   FIG. 5 shows an external perspective view of a packaging bag 200 according to the second embodiment of the present invention. As shown in FIG. 5, the packaging bag 200 of the present embodiment includes a top surface portion 10, a bottom surface portion 20, and a peripheral surface portion 30. Moreover, FIG. 6 has shown the expanded view of film member 200 'which comprises the packaging bag 200 which concerns on 2nd Embodiment. In the developed view of FIG. 6, the solid line in the film indicates a broken line. As shown in FIG. 6, the packaging bag 200 of the present embodiment is formed by bending a single rectangular film member made of a thermoplastic resin and joining a part thereof, so that the top surface portion 10, the bottom surface portion 20, And it can comprise in the bag shape which consists of the surrounding surface part 30. FIG.

図5に示されるように,本実施形態の包装袋200は,いわゆるガゼットチューブ式の構造とされている。具体的に説明すると,本実施形態の包装袋200は,上下方向に互いに対向する天面部10及び底面部20と,これらの天面部10と底面部20とを繋ぐ周面部30を含んで構成されている。周面部30は,互いに対向する前面部31及び後面部32と,互いに対向する左側面部33及び右側面部34とに,区分されている。   As shown in FIG. 5, the packaging bag 200 of the present embodiment has a so-called gusset tube structure. More specifically, the packaging bag 200 of the present embodiment includes a top surface portion 10 and a bottom surface portion 20 that face each other in the vertical direction, and a peripheral surface portion 30 that connects the top surface portion 10 and the bottom surface portion 20. ing. The peripheral surface portion 30 is divided into a front surface portion 31 and a rear surface portion 32 that face each other, and a left surface portion 33 and a right surface portion 34 that face each other.

そして,図6の展開図に示されるように,フィルム部材200´の長手方向一端に位置する面(例えば左側面部33)と,長手方向の他端に位置する面(前面部31)を接合してシール部40を形成する。これにより,前後左右の面31,32,33,34が周方向に繋がるようになっている。具体的には,例えば,本実施形態では,左側面部33から接合代35が延出している。そして,この接合代35を,前面部31の表面に重ね合わせた状態で,接合代35と前面部31を接合することでシール部40が形成される。このように,シール部40は,非合掌状態でフィルム部材の一部を重ね合わせて形成したものであってもよい。これにより,左側面部33と前面部31とが連結する。   Then, as shown in the development view of FIG. 6, the surface (for example, the left side surface portion 33) located at one end in the longitudinal direction of the film member 200 ′ and the surface located at the other end in the longitudinal direction (front surface portion 31) are joined. The seal part 40 is formed. As a result, the front, rear, left and right surfaces 31, 32, 33, 34 are connected in the circumferential direction. Specifically, for example, in the present embodiment, the joining allowance 35 extends from the left side surface portion 33. Then, the sealing portion 40 is formed by joining the joining allowance 35 and the front surface portion 31 in a state where the joining allowance 35 is superimposed on the surface of the front surface portion 31. As described above, the seal portion 40 may be formed by overlapping a part of the film member in a non-palmated state. Thereby, the left side part 33 and the front part 31 are connected.

ただし,第2の実施形態の変形例として,左側面部33と前面部31を連結する際に,左側面部33を構成するフィルム部材の一部を折り返すと共に,前面部31を構成するフィルム部材の一部を折り返して,合掌状態で重ね合わせて接合することも可能である。この場合,この合掌状態で重なりあった部分を,シール部40とすればよい。   However, as a modification of the second embodiment, when the left side surface portion 33 and the front surface portion 31 are connected, a part of the film member constituting the left side surface portion 33 is folded back and one of the film members constituting the front surface portion 31 is folded. It is also possible to wrap the joints and overlap and join them in a palmed state. In this case, a portion that overlaps in this hand-held state may be the seal portion 40.

また,第2の実施形態において,包装袋200の天面部10のうち,前面部31と連結した部分と,後面部32から連結した部分には,開口部12が形成されている。図5に示されるように,天面部10のうちの開口部12が形成された前後の面は,互いに接合される。これにより,天面部10の開口部12が連通して一つの開口が形成される。この開口には,人手を挿し込むことができ,これにより天面部10は包装袋200の把手として機能する。   In the second embodiment, an opening 12 is formed in the portion connected to the front surface portion 31 and the portion connected to the rear surface portion 32 in the top surface portion 10 of the packaging bag 200. As shown in FIG. 5, the front and back surfaces of the top surface portion 10 where the opening 12 is formed are joined to each other. Thereby, the opening part 12 of the top | upper surface part 10 connects, and one opening is formed. A human hand can be inserted into the opening, whereby the top surface portion 10 functions as a handle of the packaging bag 200.

また,本実施形態では,フィルム部材200´を折り曲げて,シール部40と天面部10においてフィルム部材200´を接合して袋状に形成した状態において,底面部20は開封されたままとなる。そこで,この底面部20の開口から,使い捨ておむつ等の被包装物を,複数個まとめて,包装袋200に詰め込むことができる。被包装物は,包装袋200の上下方向に複数段積み上げられて,且つ,包装袋の左右方向に複数個で並んだ状態で,包装袋内に詰め込まれることが好ましい。特に,被包装物が使い捨ておむつである場合,その使い捨ておむつは2つ折り又は3つ折りにされた状態で,包装袋200の左右方向に圧縮された状態で,包装袋200内に詰め込まれるものであることが好ましい。そして,複数段毎に複数個で並べられた被包装物を詰め込んだ後に,包装袋200の底面部20を接合して,袋内を密封状態とすればよい。   Moreover, in this embodiment, in the state which bent film member 200 'and joined film member 200' in the seal | sticker part 40 and the top | upper surface part 10 and formed in the bag shape, the bottom face part 20 remains unsealed. Therefore, a plurality of articles to be packaged such as disposable diapers can be packed into the packaging bag 200 from the opening of the bottom surface portion 20. It is preferable that a plurality of items to be packaged are stacked in a plurality of stages in the vertical direction of the packaging bag 200 and packed in the packaging bag in a state of being arranged in a plurality in the horizontal direction of the packaging bag. In particular, when the article to be packaged is a disposable diaper, the disposable diaper is packed in the packaging bag 200 in a state of being folded in two or three and compressed in the left-right direction of the packaging bag 200. It is preferable. Then, after packing a plurality of articles to be packaged in a plurality of stages, the bottom portion 20 of the packaging bag 200 may be joined to seal the inside of the bag.

本実施形態において,図5及び図6に示されるように,シール部40を形成する接合代35に,一又は複数の易開封手段50が形成される。易開封手段50の形態は,例えば図4に示したものを適宜採用することができる。つまり,本実施形態では,シール部40が,接合代35と前面部31の一部を重畳して形成されている。このため,このシール部40の上層を構成する接合代35にのみ易開封手段50を形成することで,易開封手段50がミシン目線等である場合でも,そのミシン目(微細孔)が包装袋200の内部にまで貫通することを防止できる。また,シール部40(特に接合代35)は易開封手段50に沿って簡単に切断することができる。そして,易開封手段50に沿ってシール部40を切断することで,シール部40に連動して,包装袋200の周面部30が周方向に裂けるようになる。これにより,易開封手段50を利用して,包装袋200を開封することができる。   In this embodiment, as shown in FIG. 5 and FIG. 6, one or a plurality of easy-opening means 50 are formed in the joining allowance 35 that forms the seal portion 40. As the form of the easy-opening means 50, for example, the one shown in FIG. 4 can be adopted as appropriate. That is, in the present embodiment, the seal portion 40 is formed by overlapping a part of the joint allowance 35 and the front surface portion 31. For this reason, by forming the easy-opening means 50 only in the joining margin 35 constituting the upper layer of the seal portion 40, even if the easy-opening means 50 is a perforation line or the like, the perforation (microhole) is the packaging bag. It is possible to prevent penetration to the inside of 200. Further, the seal portion 40 (particularly the joining allowance 35) can be easily cut along the easy-opening means 50. Then, by cutting the seal portion 40 along the easy-opening means 50, the peripheral surface portion 30 of the packaging bag 200 is torn in the circumferential direction in conjunction with the seal portion 40. Thereby, the packaging bag 200 can be opened using the easy-opening means 50.

また,図6の展開図に示されるように,本実施形態においても,易開封手段50が延びる方向と,フィルム部材200´のMD方向が一致していることが好ましい。フィルム部材200´はMD方向に沿って裂け易い性質を有するため,このMD方向と易開封手段50の延伸方向を一致させることで,包装袋200を開封しやすくなる。   Further, as shown in the development view of FIG. 6, also in this embodiment, it is preferable that the direction in which the easy-opening means 50 extends and the MD direction of the film member 200 ′ coincide. Since the film member 200 ′ has a property of being easily torn along the MD direction, the packaging bag 200 can be easily opened by matching the MD direction with the extending direction of the easy opening means 50.

また,図示は省略するが,図5及び図6に示した例において,左側面部33の一部と前面部31の一部とを合掌合わせにして接合し,シール部40を形成することもできる。この場合,シール部40を構成する2層のフィルムを貫通するように,易開封手段50を形成することが好ましい。   Although not shown, in the example shown in FIGS. 5 and 6, a part of the left side part 33 and a part of the front part 31 can be joined together to form a seal part 40. . In this case, it is preferable to form the easy-opening means 50 so as to penetrate through the two-layer film constituting the seal portion 40.

また,図示は省略するが,第2の実施形態において,シール部40が,左側面部33又は右側面部34の中央部に位置するように,包装袋200を構成することも可能である。また,第2の実施形態では,シール部40が,周面部30の角部に位置するように,包装袋200を構成することも可能である。   Moreover, although illustration is abbreviate | omitted, in 2nd Embodiment, it is also possible to comprise the packaging bag 200 so that the seal part 40 may be located in the center part of the left side part 33 or the right side part 34. FIG. In the second embodiment, the packaging bag 200 can be configured so that the seal portion 40 is positioned at the corner of the peripheral surface portion 30.

(3.第3の実施形態)
続いて,図7を参照して,本発明の第3の実施形態に係る包装袋300について説明する。第3の実施形態については,上述した第1の実施形態と異なる点を中心に説明し,第1の実施形態と同様の構成についてその説明を省略する。
(3. Third embodiment)
Then, with reference to FIG. 7, the packaging bag 300 which concerns on the 3rd Embodiment of this invention is demonstrated. The third embodiment will be described with a focus on differences from the above-described first embodiment, and the description of the same configuration as that of the first embodiment will be omitted.

図7は,第3の実施形態に係る包装袋300を示した外観斜視図である。図7では,包装袋300内に収納された複数の被包装物Pを透過的に描画している。第3の実施形態に係る包装袋300は,上述した第1の実施形態と同様に,いわゆるループバック式の構造とされている。   FIG. 7 is an external perspective view showing a packaging bag 300 according to the third embodiment. In FIG. 7, a plurality of articles P to be packaged stored in the packaging bag 300 are drawn transparently. The packaging bag 300 according to the third embodiment has a so-called loopback structure, as in the first embodiment described above.

図7に示されるように,包装袋300内には,複数の被包装物Pが詰め込まれている。図7に示した例において,被包装物Pは,使い捨ておむつである。使い捨ておむつは,それぞれ,3つ折りとされた状態で包装袋300内に収納されている。被包装物Pは,包装袋300の上下方向に沿って,複数段で積み重なっている。図7に示された例では,被包装物Pは,3段に積み重なっている。その他,被包装物Pは,2段に積み重なっていてもよいし,4段以上で積み重なっていてもよい。また,被包装物Pは,一段毎に,包装袋300の左右方向に沿って,複数個が一列に並んで配置されている。図7に示された例では,一段に5個の被包装物Pが並んでいる。その他,被包装物Pは,一段毎に,3個ずつ並べられていてもよいし,6個以上並べられていてもよい。複数個の被包装物Pは,包装袋300内に詰め込まれる際に,包装袋300の左右方向に沿って圧縮されていることが好ましい。このように,被包装物Pを多少圧縮して包装することで,包装袋300内でバラバラになったり位置がズレたりすることを防止できる。   As shown in FIG. 7, a plurality of articles P are packed in the packaging bag 300. In the example shown in FIG. 7, the packaged item P is a disposable diaper. The disposable diapers are each stored in the packaging bag 300 in a folded state. The articles to be packaged P are stacked in a plurality of stages along the vertical direction of the packaging bag 300. In the example shown in FIG. 7, the packages P are stacked in three stages. In addition, the packages P may be stacked in two stages or may be stacked in four or more stages. In addition, a plurality of articles P to be packaged are arranged in a line along the left-right direction of the packaging bag 300 for each stage. In the example shown in FIG. 7, five packages P are arranged in a row. In addition, three P to be packaged P may be arranged for each stage, or six or more may be arranged. The plurality of articles to be packaged P are preferably compressed along the left-right direction of the packaging bag 300 when packed into the packaging bag 300. In this way, by compressing and packing the article P to be packed to some extent, it is possible to prevent the package bag 300 from falling apart and being displaced.

ここで,本実施形態において,包装袋300の左右両側に形成されたシール部40(40a,40b)には,それぞれ,被包装物Pの上下の段の区切れ位置に相当する位置に,易開封手段50(ミシン目線)が形成されている。例えば,被包装物Pの段を,下から順に,一段目,二段目,三段目とする。このとき,一段目と二段目の境目と相当するように,一つ目の易開封手段50がシール部40に形成されている。同様に,二段目と三段目の境目と相当するように,二つ目の易開封手段50がシール部40に形成されている。なお,易開封手段50を形成する位置は,被包装物Pの段の区切れ位置と完全に一致している必要はなく,被包装物Pの段の区切れ位置とおよそ同じ位置(例えば誤差15mm以内)であればよい。また,易開封手段50は,被包装物Pの段の区切れ位置の全てに相当する位置に形成されていることが好ましいが,被包装物Pの段の区切れ位置の少なくとも一つに相当する位置に形成されていればよい。   Here, in the present embodiment, the seal portions 40 (40a, 40b) formed on both the left and right sides of the packaging bag 300 are easily positioned at positions corresponding to the upper and lower steps of the package P, respectively. An unsealing means 50 (perforation line) is formed. For example, the level of the package P is defined as the first level, the second level, and the third level from the bottom. At this time, the first easy-opening means 50 is formed in the seal portion 40 so as to correspond to the boundary between the first and second stages. Similarly, a second easy-opening means 50 is formed in the seal portion 40 so as to correspond to the boundary between the second stage and the third stage. Note that the position where the easy-opening means 50 is formed does not have to be completely coincident with the step position of the packaged item P, and is approximately the same as the position of the step of the packaged item P (for example, an error). Within 15 mm). The easy-opening means 50 is preferably formed at a position corresponding to all of the steps of the package P, but corresponds to at least one of the steps of the package P. What is necessary is just to be formed in the position to do.

上記構成のように,上記構成のように,被包装物Pが複数段に積まれて収納されている場合に,その段の区切り位置に一致するように易開封手段50を形成することで,利用者は,包装袋300を開封して,被包装物Pを一段毎に取り出すことができる。このため,包装袋300を一度開封した後であっても,残りの段の被包装物Pをそのまま収納しておくことが可能となる。また,包装袋300が開封される向きに被包装物Pを複数個並べて収納しておくことで,包装袋300の形態を保ちながら,天面部10を含む上側部分をきれいに開封することができる。従って,包装袋300内に残っている被包装物Pが減っている状態にあっても,この被包装物Pがばらけて,包装袋300から飛び出したりする事態を防止できる。   As in the above-described configuration, when the articles to be packaged P are stacked and stored in a plurality of stages as in the above-described configuration, by forming the easy-opening means 50 so as to match the separation position of the stage, The user can open the packaging bag 300 and take out the articles to be packaged P one by one. For this reason, even after the packaging bag 300 is opened once, it is possible to store the remaining article P to be packaged as it is. Further, by storing a plurality of articles to be packaged P in the direction in which the packaging bag 300 is opened, the upper portion including the top surface portion 10 can be opened cleanly while maintaining the form of the packaging bag 300. Therefore, even when the packaged item P remaining in the packaging bag 300 is reduced, it is possible to prevent the packaged product P from separating and jumping out of the packaging bag 300.

さらに,本実施形態において,包装袋300のシール部40(40a,40b)には,被包装物Pの段を区別するための目印41が形成されている。例えば,図7に示された例において,シール部40には,被包装物Pの段の下から順に,一段目と二段目と三段目のそれぞれに別々の模様(デザイン)が印刷されている。具体的には,シール部40の下縁からその上の易開封手段50の間と,二つの易開封手段50の間と,シール部40の上縁からその下の易開封手段50の間とで,別々の模様(デザイン)が施されている。これにより,利用者は,被包装物Pの段が区切れる位置を,シール部40に施された模様を見ることで一見して把握することができる。また,シール部40には,被包装物Pの段を区別するための目印41として,文字や数字等を示すこともできる。また,目印41は,シール部40に直接印刷することとしてもよいし,模様が記載されたラベルやステッカーとして貼り合わせることとしてもよい。   Furthermore, in this embodiment, a mark 41 for distinguishing the stage of the article P to be packaged is formed on the seal portion 40 (40a, 40b) of the packaging bag 300. For example, in the example shown in FIG. 7, different patterns (designs) are printed on the seal part 40 in the first, second, and third stages from the bottom of the package P. ing. Specifically, between the easy opening means 50 above the lower edge of the seal portion 40, between the two easy opening means 50, and between the easy opening means 50 below it from the upper edge of the seal portion 40. And different patterns (designs) are given. Thereby, the user can grasp | ascertain at a glance the position where the step of the to-be-packaged goods P is divided | segmented by seeing the pattern given to the seal | sticker part 40. FIG. Moreover, the seal | sticker part 40 can also show a character, a number, etc. as the mark 41 for distinguishing the step of the package P. The mark 41 may be printed directly on the seal portion 40, or may be attached as a label or sticker on which a pattern is written.

以上,本願明細書では,本発明の内容を表現するために,図面を参照しながら本発明の実施形態の説明を行った。ただし,本発明は,上記実施形態に限定されるものではなく,本願明細書に記載された事項に基づいて当業者が自明な変更形態や改良形態を包含するものである。   As mentioned above, in this specification, in order to express the content of this invention, embodiment of this invention was described, referring drawings. However, the present invention is not limited to the above-described embodiments, but includes modifications and improvements obvious to those skilled in the art based on the matters described in the present specification.

本発明は,使い捨ておむつ等の包装袋に関するものである。このため,本発明は,使い捨ておむつの製造業などにおいて好適に利用し得る。   The present invention relates to a packaging bag for disposable diapers and the like. For this reason, this invention can be utilized suitably in the manufacturing industry etc. of a disposable diaper.

10…天面部 11…リブ 12…開口部
20…底面部 30…周面部 31…前面部
32…後面部 33…左側面部 34…右側面部
35…接合代 40…シール部 41…目印
50…易開封手段 51…ミシン目線 52…スリット
53…切欠き 54…無数の貫通孔 60…把手部材
100…包装袋(第1の実施形態) 100´…フィルム部材
200…包装袋(第2の実施形態) 200´…フィルム部材
300…包装袋(第3の実施形態) P…被包装物
DESCRIPTION OF SYMBOLS 10 ... Top surface part 11 ... Rib 12 ... Opening part 20 ... Bottom surface part 30 ... Circumferential surface part 31 ... Front part 32 ... Rear surface part 33 ... Left side part 34 ... Right side part 35 ... Joining allowance 40 ... Seal part 41 ... Mark 50 ... Easy opening Means 51 ... Perforation line 52 ... Slit 53 ... Notch 54 ... Countless through-holes 60 ... Handle member 100 ... Packaging bag (first embodiment) 100 '... Film member 200 ... Packaging bag (second embodiment) 200 '... Film member 300 ... Packaging bag (third embodiment) P ... Package

Claims (4)

フィルム部材を含んで構成され,
互いに上下に対向する天面部(10)及び底面部(20)と,
前記天面部(10)及び前記底面部(20)を繋ぐ周面部(30)と,を有し,
前記周面部(30)は,互いに対向する前面部(31)及び後面部(32)と,互いに対向する左側面部(33)及び右側面部(34)とを含み,
前記周面部(30)の少なくとも一部において,前記フィルム部材の重なり合った部分を接合したシール部(40a,40b)が形成された,
包装袋であって,
前記シール部(40a,40b)は,前記フィルム部材を合掌状態で重ね合せて接合することにより,前記左側面部(33)と前記右側面部(34)の両方に,前記包装袋の上下方向に延びて形成されており,
前記左側面部(33)側のシール部(40a)と前記右側面部(34)側のシール部(40b)の両方又はいずれか一方に,前記上下方向と直交する周方向と一致する方向に沿って当該シール部(40a,40b)を切断するためのミシン目線(50)が当該シール部(40a,40b)の前記周方向と一致する方向の全域に亘って形成されており,
前記周面部(30)には易開封手段が形成されておらず,
前記フィルム部材は,厚さが10〜80μmであり,引き裂き強度が100〜800cNである
包装袋。
Comprising a film member,
A top surface portion (10) and a bottom surface portion (20) facing each other vertically;
A peripheral surface portion (30) connecting the top surface portion (10) and the bottom surface portion (20),
The peripheral surface portion (30) includes a front surface portion (31) and a rear surface portion (32) facing each other, and a left surface portion (33) and a right surface portion (34) facing each other,
In at least a part of the peripheral surface portion (30), seal portions (40a, 40b) were formed by joining overlapping portions of the film member,
A packaging bag,
The seal portions (40a, 40b) extend in the vertical direction of the packaging bag on both the left side surface portion (33) and the right side surface portion (34) by overlapping and joining the film members in a palmed state. Formed,
Along the direction that coincides with the circumferential direction orthogonal to the up-down direction, either or both of the seal part (40a) on the left side part (33) side and the seal part (40b) on the right side part (34) side The perforation line (50) for cutting the seal part (40a, 40b) is formed over the entire region in the direction coinciding with the circumferential direction of the seal part (40a, 40b),
No easy opening means is formed on the peripheral surface portion (30),
The packaging member has a thickness of 10 to 80 μm and a tear strength of 100 to 800 cN.
前記包装袋は,被包装物(P)を前記上下方向に複数段積んだ状態で包装するものであり,
前記ミシン目線(50)は,前記被包装物(P)の段の区切れ位置の少なくとも一つに相当する位置において,前記シール部(40a,40b)に形成されている
請求項1に記載の包装袋。
The packaging bag wraps the article to be packaged (P) in a state of being stacked in a plurality of stages in the vertical direction,
The said perforation line (50) is formed in the said seal part (40a, 40b) in the position corresponded to at least one of the division | segmentation positions of the step of the said to-be packaged object (P). Packaging bag.
前記ミシン目線(50)は,前記被包装物(P)の段の区切れ位置のそれぞれに相当する位置において,前記シール部(40a,40b)に形成されており,
前記シール部(40a,40b)には,前記被包装物(P)の段を区別するための目印(41)が形成されている
請求項2に記載の包装袋。
The perforation line (50) is formed in the seal portion (40a, 40b) at a position corresponding to each of the stepped positions of the package (P),
The packaging bag according to claim 2, wherein a mark (41) is formed on the seal portion (40a, 40b) for distinguishing the step of the package (P).
前記フィルム部材は,裂け易い方向であるMD方向と,当該MD方向に直交するCD方向と,を有し,
前記周面部(30)は,前記周方向が前記フィルム部材のMD方向と一致し,前記上下方向が前記フィルム部材のCD方向と一致する
請求項1から請求項3のいずれかに記載の包装袋。
The film member has an MD direction that is easy to tear, and a CD direction orthogonal to the MD direction,
The packaging bag according to any one of claims 1 to 3, wherein the circumferential portion (30) has the circumferential direction coincident with the MD direction of the film member and the vertical direction coincides with the CD direction of the film member. .
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