JP2969552B2 - A gusseted packaging bag with a sealable chuck that can be opened and closed. - Google Patents
A gusseted packaging bag with a sealable chuck that can be opened and closed.Info
- Publication number
- JP2969552B2 JP2969552B2 JP7111164A JP11116495A JP2969552B2 JP 2969552 B2 JP2969552 B2 JP 2969552B2 JP 7111164 A JP7111164 A JP 7111164A JP 11116495 A JP11116495 A JP 11116495A JP 2969552 B2 JP2969552 B2 JP 2969552B2
- Authority
- JP
- Japan
- Prior art keywords
- welded
- sheet
- sealing
- gussets
- gusset
- Prior art date
- Legal status (The legal status 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 status listed.)
- Expired - Lifetime
Links
Description
【0001】[0001]
【産業上の利用分野】本発明は、開口部に開閉自在な密
封チャックを備え、かつ、マチ付きの包装袋に関する。BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a gusseted packaging bag provided with an openable / closable sealing chuck at an opening.
【0002】[0002]
【従来の技術】内容物(例えばココア等の粉末飲料)を
少しづつ取り出して使用する場合は、その包装袋の開口
部を繰り返し開閉する必要があるので、その開口部には
開閉自在な密封チャックを設けることが望ましい。従
来、正面部と背面部のそれぞれの内面に互いに嵌脱自在
な密封チャックを設けてその開口部を開閉自在としたマ
チの無い扁平なビニール袋などが公知である。これに対
し、内容物を増やすためにマチを付けた包装袋の場合
は、そのマチが邪魔になるので密封チャックを設けるの
が面倒であった。例えば、従来は図7の(a)に示すよ
うに、マチ26,27付きの袋本体25を形成するとと
もに、それとは別工程で、内面にそれぞれ互いに嵌脱自
在な一対の密封チャック20,21を溶着等の手段で取
り付けた正面部22と背面部23のみから成るシール体
24を形成し、そのシール体24を、図7の(b)に示
すように、後加工として袋本体25の開口端部に溶着等
の手段で継ぎ合せるという煩雑な方法を採っている。従
って、部品点数及び工程数が増えてコスト高となる問題
があった。2. Description of the Related Art When contents (for example, powdered drinks such as cocoa) are taken out little by little and used, it is necessary to repeatedly open and close the opening of the packaging bag. Is desirably provided. 2. Description of the Related Art Conventionally, there is known a gusset-free flat plastic bag in which sealing zippers are provided on inner surfaces of a front portion and a rear portion so as to be removably fitted to each other, and an opening thereof can be freely opened and closed. On the other hand, in the case of a packaging bag provided with a gusset to increase the contents, it is troublesome to provide a sealing chuck since the gusset becomes an obstacle. For example, conventionally, as shown in FIG. 7A, a bag main body 25 with gussets 26 and 27 is formed, and a pair of sealing chucks 20 and 21 which can be fitted and detached from each other on the inner surface in a separate process. Is formed only by the front part 22 and the back part 23 by welding or the like, and the seal body 24 is opened as a post-process in the opening of the bag body 25 as shown in FIG. A complicated method of joining the ends by means such as welding is employed. Therefore, there has been a problem that the number of parts and the number of steps are increased and the cost is increased.
【0003】[0003]
【発明が解決しようとする課題】そこで本発明は、部品
点数や工程数を増やさずに容易に密封チャックを備える
ことができて、コストダウンを図ることが可能となる斬
新なマチ付き包装袋の提供を目的とする。SUMMARY OF THE INVENTION Accordingly, the present invention provides a novel gusseted packaging bag which can easily be provided with a sealing chuck without increasing the number of parts and the number of steps, thereby reducing costs. For the purpose of providing.
【0004】[0004]
【課題を解決するための手段】上記目的を達成するため
に、本発明における開閉自在な密封チャックを備えたマ
チ付き包装袋は、ともに熱可塑性樹脂シート製の正面体
1と背面体2の両側辺部の間に、同じく熱可塑性樹脂シ
ート製で2つ折りしたマチ3,4をそれぞれ配するとと
もに、正面体1とマチ3,4との間に、同じく熱可塑性
樹脂シート製で互いに嵌脱自在な一対の密封チャック
5,6を配して、その一方の密封チャック5のベース7
の全体を正面体1の内面に溶着し、又、他方の密封チャ
ック6のベース8はその両端部を正面体1と対面するマ
チ3,4の片側半面28,29に溶着するとともにそれ
以外の中間部を背面体2の内面に溶着し、さらに、背面
体2の内面において上記の密封チャック6のベース8と
溶着した中間部の外側の両端箇所を背面体2と対面する
マチ3,4の片側半面30,31と溶着し、マチ3,4
の外面側の中央折曲線の両側部位は互いに溶着せず分離
状態を保つようにしたことを特徴とする構成を採るもの
であるIn order to achieve the above-mentioned object, the present invention provides a gusseted wrapping bag provided with an openable / closable sealing chuck, which is made of a thermoplastic resin sheet. Between the sides, gussets 3 and 4 made of a thermoplastic resin sheet are also arranged, and between the front body 1 and the gussets 3 and 4, they are also made of a thermoplastic resin sheet and can be detached from each other. A pair of sealing chucks 5 and 6 are arranged, and a base 7 of one sealing chuck 5 is provided.
Is welded to the inner surface of the front body 1, and the base 8 of the other sealing chuck 6 has both ends welded to the half-faces 28, 29 of the gussets 3, 4 facing the front body 1 and other parts. The middle portion is welded to the inner surface of the back body 2, and both ends of the outer portion of the middle portion welded to the base 8 of the sealing chuck 6 on the inner surface of the back body 2 are formed by gussets 3 and 4 facing the back body 2. one half 30, 31 and welded, gusset 3,4
Of the central fold curve on the outer surface of the surface are separated without welding to each other
It adopts a configuration characterized by maintaining the state
【0005】[0005]
【実施例】以下、図面に基づき本発明の実施例について
説明する。図1乃至図5は本発明の包装袋19を、又、
図6はその製造工程を示したものである。まず、図1乃
至図5において、符号1が矩形の正面体、符号2が正面
体と同形の背面体、符号3及び4が正面体1と背面体2
の両側辺部の間にそれぞれ介在するマチ、符号5及び6
が互いに嵌脱自在な溝と突条から成る密封チャック、符
号7及び8がそれら密封チャック5,6のベースであ
り、これらの部材はすべて熱可塑性樹脂製である。な
お、正面体1、背面体2及びマチ3,4は、柔軟性を有
する基材シートの片面に、それよりも溶融温度の少し低
い樹脂フィルムをラミネートしたものである。Embodiments of the present invention will be described below with reference to the drawings. 1 to 5 show a packaging bag 19 of the present invention,
FIG. 6 shows the manufacturing process. First, in FIGS. 1 to 5, reference numeral 1 denotes a rectangular front body, reference numeral 2 denotes a rear body having the same shape as the front body, and reference numerals 3 and 4 denote front bodies 1 and rear bodies 2.
Gussets, reference numerals 5 and 6 respectively interposed between both side portions of
Is a sealing chuck comprising a groove and a ridge which can be detached from each other, and reference numerals 7 and 8 are bases of the sealing chucks 5, 6, and these members are all made of thermoplastic resin. In addition, the front body 1, the back body 2, and the gussets 3 and 4 are obtained by laminating a resin film having a slightly lower melting temperature than one side of a flexible base sheet.
【0006】マチ3,4は幅方向に2つ折りして、正面
体1と背面体2の両側辺部の間にそれぞれ折れ目を内側
にして配し、その両側辺部を正面体1と背面体2の側辺
部に対しそれぞれ溶着している。図中、符号9がその溶
着部である。The gussets 3 and 4 are folded in two in the width direction, and are arranged between both sides of the front body 1 and the back body 2 with the folds inward. The body 2 is welded to each side. In the figure, reference numeral 9 denotes the welded portion.
【0007】正面体1と背面体2は、それぞれ両側辺部
を上記のようにマチ3,4に対して溶着するが、それら
の底辺部は、図2に示すように、中間箇所を互いに溶着
するとともに、両端箇所はそれぞれ2つ折り状態のマチ
3,4の各片側半面に対し溶着している。The sides of the front body 1 and the back body 2 are welded to the gussets 3 and 4, respectively, as described above. At the same time, both end portions are welded to each half surface of each of the gussets 3 and 4 in a folded state.
【0008】互いに嵌脱自在な一対の密封チャック5,
6は、図3に示すように、袋本体10の内面における開
口端に近い位置に取付けている。すなわち、一方の密封
チャック5のベース7は全体が、図4に示すように、正
面体1を横断するようにその内面に溶着し、他方の密封
チャック6のベース8は、同じく図4に示すように、そ
の両端箇所が正面体1と対面するマチ3,4の片側半面
28,29に溶着してそれ以外の中間箇所が背面体2の
内面に対し溶着している。なお、背面体2の内面におい
て上記の密封チャック6のベース8と溶着した中間部の
外側の両端箇所は、背面体2と対面するマチ3,4の片
側半面30,31と溶着している。[0008] A pair of sealing chucks 5, which are detachable from each other,
6 is attached to a position near the open end on the inner surface of the bag body 10, as shown in FIG. That is, as shown in FIG. 4, the entire base 7 of one sealing chuck 5 is welded to its inner surface so as to cross the front body 1, and the base 8 of the other sealing chuck 6 is also shown in FIG. Thus, both end portions are welded to the half surfaces 28 and 29 of the gussets 3 and 4 facing the front body 1, and the other intermediate portions are welded to the inner surface of the back body 2. In addition, on the inner surface of the back body 2, both ends outside the intermediate portion welded to the base 8 of the sealing chuck 6 are welded to the half-faces 30 and 31 of the gussets 3 and 4 facing the back body 2.
【0009】次に、上記の包装袋19の製造方法を図6
に基づき説明する。まず、熱可塑性樹脂製の一連の長い
背面体用シート11を図の矢印方向へ送る。この背面体
用シート11は、上記のように基材シートの片面に、そ
れよりも溶融温度の少し低い樹脂フィルムをラミネート
したものであるが、その溶融温度の少し低い樹脂フィル
ムを上面側にしている。次に、幅方向の両端を上面側の
中央部で合わせるように2つ折りした熱可塑性樹脂製の
マチ用シート12を、背面体用シート11に対し直交す
るように送って背面体用シート11の上に載置する。こ
の2つ折り状態のマチ用シート12も、上記のように基
材シートの片面に、それよりも溶融温度の少し低い樹脂
フィルムをラミネートしたものであるが、その溶融温度
の少し低い樹脂フィルムを外面側にしている。次に、ベ
ース7,8にそれぞれ密封チャック5,6を一体的に形
成した、熱可塑性樹脂製の一対の密封チャック用テープ
13,14の一方を、上記の背面体用シート11とマチ
用シート12の更に上に載置する。このとき、その密封
チャック用テープ13をマチ用シート12に対し直交さ
せるとともに背面体用シート11の幅方向の一端に近接
させる。そして、この密封チャック用テープ13を、背
面体用シート11及びマチ用シート12に対して、それ
らの基材シートにラミネートした溶融温度の少し低い樹
脂フィルムの溶融温度でもって熱溶着する。図中、符号
15がその溶着部である。このとき、2つ折り状態のマ
チ用シート12は外面側のみが溶着し、その上側部分3
2が密封チャック用テープ13と溶着し、下側部分33
が背面体用シート11と溶着するが、マチ用シート12
の内面側は溶着しないので分離状態を維持することにな
る。次に、その溶着したマチ用シート12を背面体用シ
ート11の幅とほぼ同一の長さに切断してから、背面体
用シート11を一定間隔移動させて、再び上記と同様に
マチ用シート12の上に密封チャック用テープ13を溶
着してからマチ用シート12を切断するという工程を繰
り返す。次に、それらの背面体用シート11、マチ用シ
ート12、及び密封チャック用テープ13の上に、背面
体用シート11と同一幅を有する熱可塑性樹脂製の一連
の長い正面体用シート16を重ね合わせるように載置す
る。この正面体用シート16も、上記のように基材シー
トの片面に、それよりも溶融温度の少し低い樹脂フィル
ムをラミネートしたものであるが、その溶融温度の少し
低い樹脂フィルムを下面側にしている。また、この正面
体用シート16の下面における幅方向の一端の近傍に、
上記の密封チャック用テープ13と対向するように他方
の密封チャック用テープ14を溶着しておく。図中、符
号17がその溶着部である。このように、背面体用シー
ト11、マチ用シート12、一対の密封チャック用テー
プ13,14及び正面体用シート16を重ね合せ、か
つ、密封チャック5,6を互いに嵌着した状態にしてか
ら、それらを一体的に熱溶着する。この場合も、背面体
用シート11、マチ用シート12、及び正面体用シート
16の各基材シートにラミネートした溶融温度の少し低
い樹脂フィルムの溶融温度でもって熱溶着する。図中、
符号18がその溶着部を示している。すなわち、一定間
隔で平行に位置する2つ折り状態の各マチ用シート12
の中心位置を長手方向に溶着するとともに、正面体用シ
ート16における幅方向の一端で上記の密封チャック用
テープ13,14が近接する一端の反対側の端縁部を溶
着する。このときも、2つ折りした各マチ用シート12
は外面側のみが溶着して、内面側は溶着しないで分離状
態が維持される。そして最後に、マチ用シート12の位
置における溶着部18の中心部を長手方向に切断する。
これによって、上記の図1乃至図5に示した包装袋19
が完成する。Next, a method of manufacturing the packaging bag 19 will be described with reference to FIG.
It will be described based on. First, a series of long back body sheets 11 made of a thermoplastic resin is fed in the direction of the arrow in the figure. The back body sheet 11 is obtained by laminating a resin film having a slightly lower melting temperature on one side of the base sheet as described above, and setting the resin film having a slightly lower melting temperature on the upper surface side. I have. Next, the gusset sheet 12 made of a thermoplastic resin, which is folded in two so that both ends in the width direction are aligned at the center portion on the upper surface side, is sent orthogonal to the back body sheet 11 so that the back body sheet 11 Place on top. The gusset sheet 12 in the two-fold state is also formed by laminating a resin film having a slightly lower melting temperature on one side of the base sheet as described above. On the side. Next, one of a pair of sealing chuck tapes 13 and 14 made of thermoplastic resin, in which sealing chucks 5 and 6 are integrally formed on bases 7 and 8, respectively, is attached to the back body sheet 11 and the gusset sheet. Place it further above 12. At this time, the sealing chuck tape 13 is orthogonal to the gusset sheet 12 and close to one end in the width direction of the back body sheet 11. Then, the sealing chuck tape 13 is heat-welded to the back body sheet 11 and the gusset sheet 12 at a melting temperature of a slightly lower melting temperature of the resin film laminated on the base sheet. In the drawing, reference numeral 15 denotes the welded portion. At this time, only the outer surface side of the gusset sheet 12 in the folded state is welded, and the upper part 3 thereof is welded.
2 are welded to the sealing chuck tape 13 and the lower portion 33
Is welded to the back body sheet 11, but the gusset sheet 12
Since the inner surface side is not welded, the separated state is maintained. Next, after cutting the welded gusset sheet 12 to a length substantially equal to the width of the back body sheet 11, the back body sheet 11 is moved at a fixed interval, and again the gusset sheet The process of welding the sealing chuck tape 13 on the seal 12 and then cutting the gusset sheet 12 is repeated. Next, a series of long front body sheets 16 made of a thermoplastic resin having the same width as the back body sheet 11 are placed on the back body sheet 11, the gusset sheet 12, and the sealing zipper tape 13. Place so that they overlap. This front body sheet 16 is also a sheet obtained by laminating a resin film having a slightly lower melting temperature on one side of the base sheet as described above, but with the resin film having a slightly lower melting temperature on the lower side. I have. Also, in the vicinity of one end in the width direction on the lower surface of the front body sheet 16,
The other sealing chuck tape 14 is welded so as to face the sealing chuck tape 13. In the drawing, reference numeral 17 denotes the welded portion. In this manner, the back body sheet 11, the gusset sheet 12, the pair of sealing chuck tapes 13, 14 and the front body sheet 16 are overlaid, and the sealing chucks 5, 6 are fitted to each other. And heat welding them together. In this case as well, heat welding is performed at a melting temperature of a slightly lower melting temperature of the resin film laminated on each base sheet of the back body sheet 11, the gusset sheet 12, and the front body sheet 16. In the figure,
Reference numeral 18 indicates the welded portion. That is, each gusset sheet 12 in a folded state that is positioned in parallel at a constant interval.
Is welded in the longitudinal direction, and one edge in the width direction of the front body sheet 16 is welded to the edge opposite to the one end where the sealing chuck tapes 13 and 14 are close to each other. Also at this time, each gusset sheet 12 folded in half
Is welded only on the outer surface side, and the separated state is maintained without welding on the inner surface side. Finally, the central portion of the welded portion 18 at the position of the gusset sheet 12 is cut in the longitudinal direction.
Thereby, the packaging bag 19 shown in FIGS.
Is completed.
【0010】[0010]
【発明の作用及び効果】本発明の包装袋は上記の通りで
あり、特に、一方の密封チャック5のベース7の全体を
正面体1の内面に溶着し、又、他方の密封チャック6の
ベース8はその両端部を正面体1と対面するマチ3,4
の片側半面に溶着するとともにそれ以外の中間部を背面
体2の内面に溶着する構成としたので、袋本体10を製
造する工程で同時に密封チャック5,6を設けることが
でき、上記従来例のように後加工で密封チャックを取付
けるような煩雑がなく、工程が容易化且つ減少して生産
性が向上する。また、上記従来例におけるシール体24
のような部材が不要で、部品点数も必要最小限に抑える
ことができる。従って、本発明の包装袋は低コストで製
造でき安価で提供できるという利点がある。The packaging bag of the present invention is as described above. In particular, the entire base 7 of one sealing chuck 5 is welded to the inner surface of the front body 1 and the base of the other sealing chuck 6 is welded. 8 is gussets 3 and 4 with both ends facing the front body 1.
And the other intermediate portion is welded to the inner surface of the back body 2, so that the sealing chucks 5, 6 can be provided at the same time in the process of manufacturing the bag body 10. As described above, there is no need to attach a sealing chuck in post-processing, and the process is simplified and reduced, thereby improving productivity. Further, the sealing member 24 in the above-described conventional example is used.
Such members are unnecessary, and the number of components can be minimized. Therefore, there is an advantage that the packaging bag of the present invention can be manufactured at low cost and can be provided at low cost.
【図1】全体の斜視図である。FIG. 1 is an overall perspective view.
【図2】底部の部分斜視図である。FIG. 2 is a partial perspective view of a bottom.
【図3】図1のA−A線断面図である。FIG. 3 is a sectional view taken along line AA of FIG. 1;
【図4】図1のB−B線断面図である。FIG. 4 is a sectional view taken along line BB of FIG. 1;
【図5】図1のC−C線断面図である。FIG. 5 is a sectional view taken along line CC of FIG. 1;
【図6】製造工程を示す斜視図である。FIG. 6 is a perspective view showing a manufacturing process.
【図7】従来の包装袋に密封チャックを設ける工程を示
す斜視図である。FIG. 7 is a perspective view showing a process of providing a sealing chuck on a conventional packaging bag.
1 正面体 2 背面体 3,4 マチ 5,6 密封チャック 7,8 密封チャックのベース 9,15,17,18 溶着部 10 袋本体 11 背面体用シート 12 マチ用シート 13,14 密封チャック用テープ 16 正面体用シート 19 包装袋 20,21 密封チャック 22 正面部 23 背面部 24 シール体 25 袋本体 26,27 マチ 28,29,30,31 マチの片側半面 32 マチ用シートの上側部分 33 マチ用シートの下側部分 DESCRIPTION OF SYMBOLS 1 Front body 2 Back body 3,4 gusset 5,6 Sealing chuck 7,8 Sealing chuck base 9,15,17,18 Welding part 10 Bag body 11 Back body sheet 12 gusset sheet 13,14 Sealing chuck tape Reference Signs List 16 Front body sheet 19 Packaging bag 20, 21 Sealing chuck 22 Front part 23 Back part 24 Seal body 25 Bag body 26, 27 Depth 28, 29, 30, 31 One half of gusset 32 Upper part of gusset sheet 33 For gusset Lower part of seat
Claims (1)
と背面体2の両側辺部の間に、同じく熱可塑性樹脂シー
ト製で2つ折りしたマチ3,4をそれぞれ配するととも
に、正面体1とマチ3,4との間に、同じく熱可塑性樹
脂シート製で互いに嵌脱自在な一対の密封チャック5,
6を配して、その一方の密封チャック5のベース7の全
体を正面体1の内面に溶着し、又、他方の密封チャック
6のベース8はその両端部を正面体1と対面するマチ
3,4の片側半面28,29に溶着するとともにそれ以
外の中間部を背面体2の内面に溶着し、さらに、背面体
2の内面において上記の密封チャック6のベース8と溶
着した中間部の外側の両端箇所を背面体2と対面するマ
チ3,4の片側半面30,31と溶着し、マチ3,4の
外面側の中央折曲線の両側部位は互いに溶着せず分離状
態を保つようにしたことを特徴とする開閉自在な密封チ
ャックを備えたマチ付き包装袋。1. A front body 1 made of a thermoplastic resin sheet.
The gussets 3 and 4 which are also made of a thermoplastic resin sheet and which are folded in half are arranged between both side portions of the front body 1 and the gussets 3 and 4, respectively. Pair of sealing chucks 5, which are made of
6, the entire base 7 of one of the sealing chucks 5 is welded to the inner surface of the front body 1, and the base 8 of the other sealing chuck 6 has both ends of the gusset 3 facing the front body 1. , 4 are welded to one half surface 28, 29, and the other intermediate portion is welded to the inner surface of the back body 2, and further, the outer surface of the intermediate portion welded to the base 8 of the sealing chuck 6 on the inner surface of the back body 2. Are welded to the half-faces 30, 31 of the gussets 3, 4 facing the back body 2, and the gussets 3 , 4
Both sides of the central folding curve on the outer surface are separated without welding to each other
A gusseted packaging bag provided with an openable and closable sealing chuck, characterized in that it keeps its state .
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP7111164A JP2969552B2 (en) | 1995-04-11 | 1995-04-11 | A gusseted packaging bag with a sealable chuck that can be opened and closed. |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP7111164A JP2969552B2 (en) | 1995-04-11 | 1995-04-11 | A gusseted packaging bag with a sealable chuck that can be opened and closed. |
Publications (2)
Publication Number | Publication Date |
---|---|
JPH08282689A JPH08282689A (en) | 1996-10-29 |
JP2969552B2 true JP2969552B2 (en) | 1999-11-02 |
Family
ID=14554108
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP7111164A Expired - Lifetime JP2969552B2 (en) | 1995-04-11 | 1995-04-11 | A gusseted packaging bag with a sealable chuck that can be opened and closed. |
Country Status (1)
Country | Link |
---|---|
JP (1) | JP2969552B2 (en) |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP6922598B2 (en) * | 2017-09-22 | 2021-08-18 | 大日本印刷株式会社 | Pouch and container |
Family Cites Families (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP3100749B2 (en) * | 1992-03-24 | 2000-10-23 | 株式会社細川洋行 | Gusset bag with zipper and method of manufacturing the same |
-
1995
- 1995-04-11 JP JP7111164A patent/JP2969552B2/en not_active Expired - Lifetime
Also Published As
Publication number | Publication date |
---|---|
JPH08282689A (en) | 1996-10-29 |
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