JP5361361B2 - Packaging container manufacturing method - Google Patents
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Description
本発明は、飲料などを充填する包装容器の製造法に関する。 The present invention relates to a method for producing packaging containers you fill and beverages.
ジュースや牛乳などの液体食品などを充填したいくつかの容器においては、前もって折り目線が付されたウェブ状包装積層材料をチューブ状に成形し、チューブの縦線方向に縦シールし、チューブ状包装材料内に食品を充填し、所定間隔毎に横断方向の横シールにより密封し、横シール帯域中間で切断して枕状予備成形体を得、折り目線に沿って折り畳むことにより最終形状の包装容器を得る。 In some containers filled with liquid foods such as juice and milk, a web-like packaging laminate material with a crease line in advance is formed into a tube shape and vertically sealed in the direction of the vertical line of the tube. Filled with food in the material, sealed with a transverse seal in the transverse direction at predetermined intervals, cut in the middle of the transverse seal zone to obtain a pillow-shaped preform, and folded along the crease line to form a final shape packaging container Get.
包装容器は、種々の注出口栓を有する。破断可能なように封止された液体用紙容器の注出孔に設けられるスパウトと、スパウトを覆うキャップと、スパウトに内蔵された開封手段、例えば、開封刃及びプルリングなどとからなる注出口栓及びその液体用包装容器である。（特許文献１及び２参照） The packaging container has various spout stoppers. A spout plug comprising a spout provided in a spout hole of a liquid paper container sealed so as to be ruptured, a cap covering the spout, and an opening means incorporated in the spout, for example, an opening blade and a pull ring This is a liquid packaging container. (See Patent Documents 1 and 2)
破断可能なように封止された容器注出孔に設けられるスパウトと、スパウトを覆うキャップと、スパウトに内蔵された開封刃やプルリングなど開封手段とからなる注出口栓及びその液体用紙包装容器は、ＰＥＴボトルやビンなどに比べ、１〜２リットル大型容器の場合、注ぎ性が低く、息継ぎが多く、溢れやすいといった不都合がある。これは、紙容器ではＰＥＴボトルに対し内容物の量、液面が見えないことから、容器をどの程度傾けて注げば良いのか判然とせず、消費者に不安を抱かせるからです。 A spout provided in a container pouring hole sealed so as to be ruptured, a cap covering the spout, and an opening blade and an opening means such as a pull ring incorporated in the spout and its liquid paper packaging container are Compared with PET bottles, bottles, etc., in the case of a 1-2 liter large container, there are inconveniences such as low pouring property, a lot of breathing and easy overflow. This is because in a paper container, the amount of liquid and the liquid level cannot be seen with respect to the PET bottle, so it is unclear how much the container should be poured and the consumer is concerned.
本発明は、上記の必要性、切望に応えるものであり、大型の液体用紙包装容器であっても、内容物の注ぎ出しをスムーズにし、コップに安心して注げる注出口栓を持つ包装容器の製造法を提供することを目的とする。 The present invention, the above need, which respond to crave, be a liquid paper packaging container of large, then poured out of the contents smoothly, the packaging container having a spout stopper pourable at ease cup The object is to provide a manufacturing method.
この課題を解決する本発明による製造法の注出口栓は、液体用紙容器の注出孔に設けられた注出筒及び、注出筒と一体化して注出孔外周辺の容器壁と接合する基部を有するスパウトと、スパウトと一体化してスパウトを封止するように内蔵された破断可能な第１プルタブとからなる注出口栓であって、
注出孔から離設された空気孔を封止するように覆う破断可能な第２プルタブを有する。
The spout stopper of the manufacturing method according to the present invention that solves this problem is joined to the spout tube provided in the spout hole of the liquid paper container and the container wall around the spout hole integrally with the spout tube. A spout plug comprising a spout having a base, and a breakable first pull tab incorporated so as to be integrated with the spout and seal the spout,
Note Hanare設from Deana air holes that have a second pull tab breakable cover to seal.
この発明による製造法の液体用包装容器は、折り目線を有するウェブ状紙包装材料がチューブ状に成形され、包装材料の両縁部が重ねられてオーバーラップが形成され、オーバーラップで縦線方向に縦シールされて縦シール帯域が形成され、チューブ状包装材料内に内容物が充填され、所定間隔毎に包装材料が横断方向に押圧され、横シールにより密封されて横シール帯域が形成され、横シール帯域中間で切断されて枕状予備成形体が得られ、折り目線に沿って折り畳むことにより形成される液体用包装容器であって、
容器の注出孔に設けられた注出筒及び、注出筒と一体化して注出孔外周辺の容器壁と接合する基部を有するスパウトと、スパウトと一体化してスパウトを封止するように内蔵された破断可能な第１プルタブとからなる注出口栓を有し、
注出孔から離設された空気孔を封止するように覆う破断可能な第２プルタブを有する。
In the liquid packaging container of the manufacturing method according to the present invention, a web-like paper packaging material having a crease line is formed into a tube shape, and both edges of the packaging material are overlapped to form an overlap. Is vertically sealed to form a vertical seal zone, the contents are filled into the tubular packaging material, the packaging material is pressed in the transverse direction at predetermined intervals, and is sealed by a horizontal seal to form a horizontal seal zone, A liquid packaging container formed by being folded along a crease line by being cut in the middle of the transverse seal zone to obtain a pillow-shaped preform.
So as to seal the spout by integrating the spout with the spout tube provided in the spout hole of the container, the spout integrated with the spout tube and joined to the container wall outside the spout hole, and the spout A spout plug comprising a breakable first pull tab incorporated therein;
Note Hanare設from Deana air holes that have a second pull tab breakable cover to seal.
この発明の包装容器の製造法は、所定の折り目線を有するウェブ状紙包装材料が準備し、
ウェブ状紙包装材料を所定間隔ごとに穿孔して注出孔と注出孔から離設された空気孔とを形成し、
容器内側に対応する注出孔及び空気孔の内側を覆うように、所定のキャビティを有した第１金型を配設し、容器外側に対応する注出孔及び空気孔の外側を覆うように、所定のキャビティを有する第２金型を配設し、
キャビティ・ゲートから溶融樹脂をキャビティに射出して、注出筒と一体化して注出孔外周辺の容器壁と接合する基部を有するスパウトと、スパウトと一体化してスパウトを封止するように内蔵された破断可能な第１プルタブ、注出孔から離設された空気孔を封止するように覆う破断可能な第２プルタブを成形し、
ウェブ状積層包装材料をチューブ状に成形し、包装材料の両縁部を重ねてオーバーラップを形成し、
オーバーラップで縦線方向に縦シールして縦シール帯域を形成し、
チューブ状包装材料内に内容物を充填し、
所定間隔毎に包装材料を横断方向に押圧し、横シールにより密封されて横シール帯域を形成し、
横シール帯域で切断して枕状予備成形体を得、
折り目線に沿って折り畳んで包装容器を得、
スパウトを覆うようにキャップを配設して、包装容器を製造する
ことを特徴とする。
In the manufacturing method of the packaging container of the present invention, a web-like paper packaging material having a predetermined crease line is prepared,
A web-like paper packaging material is perforated at predetermined intervals to form a pour hole and an air hole spaced from the pour hole,
A first mold having a predetermined cavity is disposed so as to cover the inside of the pouring hole and the air hole corresponding to the inside of the container, and so as to cover the outside of the pouring hole and the air hole corresponding to the outside of the container. A second mold having a predetermined cavity is disposed,
Injected molten resin from the cavity gate into the cavity and integrated with the spout cylinder, with a spout having a base that joins the container wall around the outside of the spout hole, and built-in to integrate the spout and seal the spout Forming a breakable first pull tab, a breakable second pull tab that covers the air hole separated from the dispensing hole,
Forming a web-like laminated packaging material into a tube shape, overlapping both edges of the packaging material to form an overlap,
A vertical seal zone is formed by vertical sealing in the vertical direction with overlap,
Fill the tubular packaging material with the contents,
The packaging material is pressed in the transverse direction at predetermined intervals, and is sealed by a transverse seal to form a transverse seal zone,
Cut at the horizontal sealing zone to obtain a pillow-shaped preform,
Fold along the crease line to obtain a packaging container,
A packaging container is manufactured by arranging a cap so as to cover the spout.
以上の本発明によれば、以下の有利な効果が得られる。
本発明による製造法の注出口栓では、液体用紙容器の注出孔に設けられた注出筒及び、注出筒と一体化して注出孔外周辺の容器壁と接合する基部を有するスパウトと、スパウトと一体化してスパウトを封止するように内蔵された破断可能な第１プルタブとからなる注出口栓である。
第１プルタブは、破断容易であるので、引っ張ることにより破断され、スパウト内部の封止を解除して開放する。容器を傾けることによって、内容液は開口から流れ出る。注出筒及びスパウトに案内され、よどみ無く内容液が流れる。
According to the present invention described above, the following advantageous effects can be obtained.
In the spout stopper of the manufacturing method according to the present invention, a spout tube provided in a spout hole of the liquid paper container, and a spout having a base portion integrated with the spout tube and joined to a container wall around the spout hole, A spout plug comprising a breakable first pull tab incorporated so as to be integrated with the spout and seal the spout.
Since the first pull tab is easy to break, the first pull tab is broken by pulling, and the seal inside the spout is released and opened. By tilting the container, the content liquid flows out of the opening. Guided by the dispensing tube and spout, the liquid content flows without stagnation.
容器から内容液が流れ出ることによって、流出量に相当する空気が容器内部に代わって吸い込まれない限り、内部の空間の陰圧になり、内容液が開口から流れ出にくくなる。この発明において、注出孔から離設された空気孔を封止する第２プルタブを有し、この第２プルタブが破断容易であるので、引っ張ることにより破断され、空気孔の封止を解除して開放する。その結果、空気孔から、流出量に相当する空気が流入して内部の空間の陰圧が解消される。 When the content liquid flows out of the container, unless the air corresponding to the outflow amount is sucked in place of the inside of the container, the internal space becomes a negative pressure, and the content liquid does not easily flow out of the opening. In this inventions, a second pull tab which seals the Hanare設air hole from the casting Deana, since the second pull tab is easy broken, is broken by pulling, releasing the sealing of the air hole And release. As a result, air corresponding to the outflow amount flows in from the air hole, and the negative pressure in the internal space is eliminated.
この発明による製造法の液体用包装容器は、折り目線を有するウェブ状紙包装材料がチューブ状に成形され、包装材料の両縁部が重ねられてオーバーラップが形成され、オーバーラップで縦線方向に縦シールされて縦シール帯域が形成され、チューブ状包装材料内に内容物が充填され、所定間隔毎に包装材料が横断方向に押圧され、横シールにより密封されて横シール帯域が形成され、横シール帯域中間で切断されて枕状予備成形体が得られ、折り目線に沿って折り畳むことにより形成される液体用包装容器である。
紙容器であるので、カーボンフットプリントが低く、環境に優しい製品である。すなわち、「人間活動が（温室効果ガスの排出によって）地球環境を踏みつけた足跡」という、一般的に製品が販売されるまでの温室効果ガス排出量によりあらわされる量であり、上記の紙容器が低く、環境に優しい。
In the liquid packaging container of the manufacturing method according to the present invention, a web-like paper packaging material having a crease line is formed into a tube shape, and both edges of the packaging material are overlapped to form an overlap. Is vertically sealed to form a vertical seal zone, the contents are filled into the tubular packaging material, the packaging material is pressed in the transverse direction at predetermined intervals, and is sealed by a horizontal seal to form a horizontal seal zone, It is a liquid packaging container formed by being cut along the crease line by being cut in the middle of the horizontal sealing zone to obtain a pillow-shaped preform.
Because it is a paper container, it has a low carbon footprint and is environmentally friendly. In other words, it is the amount that is expressed by the amount of greenhouse gas emissions until the product is sold, that is, “the footprint that human activities have stepped on the global environment (by the emission of greenhouse gases)”. Low and environmentally friendly.
上記紙容器の注出口栓は、注出孔に設けられた注出筒、スパウト、第１プルタブとからなる。
第１プルタブは、破断容易であるので、容易に開放して、容器を傾けることによって、内容液が開口から流れ、注出筒及びスパウトに案内され、よどみ無く内容液が流れる。
空気孔を封止する第２プルタブが破断容易であるので、引っ張ることにより破断され、空気孔から流出量相当の空気が流入して内部の陰圧を解消させる。
The spout stopper of the paper container includes a spout cylinder, a spout, and a first pull tab provided in the spout hole.
Since the first pull tab is easily broken, the content liquid flows from the opening by being easily opened and the container is tilted, and the content liquid flows without stagnation, being guided by the dispensing cylinder and the spout.
Since the second pull tab for sealing the air pores is easy broken, it is broken by pulling, runoff considerable air to eliminate the negative pressure inside flow from the air hole.
この発明の包装容器の製造法は、所定の折り目線を有するウェブ状紙包装材料が準備し、ウェブ状紙包装材料を所定間隔ごとに穿孔して注出孔と注出孔から離設された空気孔とを形成する。
この穿孔は、搬送されるウェブ状紙包装材料の所定箇所に、注出孔と空気孔とを同時に又は連続して、通常、実施される。注出孔と空気孔とには、開口された状態で注出筒、スパウト、第１プルタブを成型されてもよく、また、注出孔と空気孔と覆うように、片面若しくは両面に溶融ラミネート樹脂を積層してもよく、また、注出孔と空気孔と覆うように、片面若しくは両面に熱可塑性樹脂層パッチフィルムを積層してもよい。
In the manufacturing method of the packaging container according to the present invention, a web-like paper packaging material having a predetermined crease line is prepared, and the web-like paper packaging material is perforated at predetermined intervals and separated from the dispensing hole and the dispensing hole. Air holes are formed.
This perforation is usually carried out at a predetermined position of the web-like paper packaging material to be conveyed, simultaneously or continuously with the pouring hole and the air hole. The extraction hole and the air hole may be molded with an extraction tube, spout, and first pull tab in an open state, and melt laminated on one or both sides so as to cover the extraction hole and the air hole. A resin may be laminated, or a thermoplastic resin layer patch film may be laminated on one side or both sides so as to cover the pouring hole and the air hole.
次の工程では、容器内側に対応する注出孔及び空気孔の内側を覆うように、所定のキャビティを有した第１金型を配設し、容器外側に対応する注出孔及び空気孔の外側を覆うように、所定のキャビティを有する第２金型を配設する。
上記のキャビティは、注出筒、スパウト（基部）、第１プルタブ及び、第２プルタブに相当する。
この成型は、インジェクション成型法によって、通常、行われる。すなわち、キャビティ・ゲートから溶融樹脂をキャビティに射出する。溶融樹脂はゲートからキャビティー内部に隙間なく充填される。
インジェクション成型法によって、注出筒と、基部を有するスパウトと、第１プルタブと、第２プルタブとが成型される。
In the next step, a first mold having a predetermined cavity is disposed so as to cover the inside of the pouring hole and the air hole corresponding to the inside of the container, and the pouring hole and the air hole corresponding to the outside of the container are arranged. A second mold having a predetermined cavity is disposed so as to cover the outside.
Said cavity is corresponded to the extraction pipe | tube, a spout (base), a 1st pull tab, and a 2nd pull tab.
This molding is usually performed by an injection molding method. That is, molten resin is injected from the cavity gate into the cavity. The molten resin is filled from the gate into the cavity without any gap.
A pouring tube, a spout having a base, a first pull tab, and a second pull tab are molded by the injection molding method.
次いで、注出筒とスパウトと第１プルタブと第２プルタブが間断的に接合したウェブ状包装材料を、チューブ状に成形し、包装材料の両縁部を重ねてオーバーラップを形成し、オーバーラップで縦線方向に縦シールして縦シール帯域を形成する。
チューブ状包装材料内に内容物を充填し、容器毎にこの包装材料を横断方向に押圧し、横シールにより密封されて横シール帯域を形成する。
横シール帯域で切断して枕状予備成形体を得、折り目線に沿って折り畳んで最終形状の包装容器を得る。
最後に、スパウトを覆うようにキャップを配設して包装容器を製造する。
Next, the web-shaped packaging material in which the pour tube, the spout, the first pull tab and the second pull tab are intermittently joined is formed into a tube shape, and the overlap is formed by overlapping both edges of the packaging material. A vertical seal zone is formed by vertical sealing in the vertical line direction.
The tube-shaped packaging material is filled with the contents, the packaging material is pressed in the transverse direction for each container, and sealed with a horizontal seal to form a horizontal seal zone.
A pillow-shaped preform is obtained by cutting at the transverse seal zone, and folded along the crease line to obtain a final-shaped packaging container.
Finally, a cap is disposed so as to cover the spout and a packaging container is manufactured.
この発明の注出口栓及び液体用包装容器の製造法では、注出口栓などの構成要素（注出筒及びスパウト、第１プルタブ）、空気穴の第２プルタブが一体的に成型されている。これら要素を直接にウェブ状積層包装材料の注出孔や空気孔に射出成形（インジェクション成型）法により成形でき、注出口栓及び液体用包装容器は、低いコストで製造することができる。 In the method of manufacturing the spout stopper and the liquid packaging container according to the present invention, the constituent elements such as the spout stopper (the spout tube and the spout, the first pull tab) and the second pull tab of the air hole are integrally formed. These elements can be directly molded into the pouring holes and air holes of the web-like laminated packaging material by an injection molding (injection molding) method, and the spout stopper and the liquid packaging container can be manufactured at low cost.
本発明は注出口栓及び液体用包装容器は、容器内容物を外部から保護し、低コストで製造されることができる。また、開封時に開封手段が設計通りにスパウトから離脱し、飲用時に容器内部に残留若しくは落下することがない高い信頼性を有する。 In the present invention, the spout stopper and the liquid packaging container can be manufactured at low cost by protecting the contents of the container from the outside. In addition, the opening means is released from the spout as designed at the time of opening, and has high reliability so that it does not remain or fall into the container when drinking.
この発明による液体用紙包装容器では、ＰＥＴボトルの様に内容物の量や液面が見えないが、容易に空気孔を開口することができ、大型の液体用紙包装容器であっても、内容物の注ぎ出しをスムーズにし、コップに安心して注げることができる。 In the liquid paper packaging container according to the present invention, the amount and the liquid level of the contents cannot be seen unlike the PET bottle, but the air holes can be easily opened, and the contents can be obtained even in a large liquid paper packaging container. Smoothing out the pouring of can be poured into the cup with confidence.
以下、本発明の実施の形態について図面を参照しながら詳細に説明する。
図１は、この発明による製造法の注出口栓の一実施例のスパウト部分の製造を示す断面図である。
図２は、この発明に使用される折り目線を有するウェブ状紙包装材料の部分平面図である。
図３は、この発明による製造法の包装容器の一実施例を示す斜視図である。
図４は、この発明による製造法の包装容器を製造する包装充填装置例の概略斜視図である。
図５は、注出口栓の参考例の射出成形工程を示す断面図である。
図６は、この発明による製造法の包装容器の第２の実施例を示す斜視図である。
図７は、この発明による製造法の包装容器の第３の実施例を示す斜視図である。
図８は、この発明による製造法の注出口栓のスパウト部分の外観斜視図である。
Hereinafter, embodiments of the present invention will be described in detail with reference to the drawings.
FIG. 1 is a cross-sectional view showing the production of a spout portion of an embodiment of the spout stopper of the production method according to the present invention.
FIG. 2 is a partial plan view of a web-like paper packaging material having a crease line used in the present invention.
FIG. 3 is a perspective view showing an embodiment of the packaging container of the manufacturing method according to the present invention.
FIG. 4 is a schematic perspective view of an example of a packaging and filling apparatus for producing a packaging container of the production method according to the present invention.
FIG. 5 is a cross-sectional view showing an injection molding process of a reference example of the spout stopper.
FIG. 6 is a perspective view showing a second embodiment of the packaging container of the manufacturing method according to the present invention.
FIG. 7 is a perspective view showing a third embodiment of the packaging container of the manufacturing method according to the present invention.
FIG. 8 is an external perspective view of the spout portion of the spout stopper of the manufacturing method according to the present invention.
図４に示される包装充填装置によって、包装容器を製造する。この装置例では、ウェブ状（帯状）の包装積層紙材料１は、リールの状態で包装充填装置に収容される。包装積層材料１は、紙基材、及び紙基材の両面にポリエチレン樹脂が積層された可撓性の積層体から成り、紙基材とフィルムとの間にアルミニウム箔などのバリア層が形成され、包装容器１４の表面に相当する部分にあらかじめ外装用の印刷が施される。
図２に、この例の折り目線１ａが付されたウェブ状紙包装材料１の部分（容器１個分の長さＬ）を示す。
材料１の両端が重ねられ、筒状にされ、１個分（長さＬ）で横シール／切断され、折り目線１ａに沿って折り畳まれる。
図２に示すように、ウェブ状紙包装材料１（容器１個分の長さＬ）に、注出孔４２及び空気孔４３（第３実施例では４３ａ、第２実施例では４３ｂ）が穿孔される箇所が設定される。
A packaging container is manufactured by the packaging filling apparatus shown in FIG. In this apparatus example, the web-like (band-like) packaging laminated paper material 1 is accommodated in a packaging filling apparatus in a reel state. The packaging laminate material 1 includes a paper base material and a flexible laminate in which polyethylene resin is laminated on both sides of the paper base material, and a barrier layer such as an aluminum foil is formed between the paper base material and the film. The exterior printing is applied to the portion corresponding to the surface of the packaging container 14 in advance.
FIG. 2 shows a portion of the web-like paper packaging material 1 with a crease line 1a of this example (length L for one container).
Both ends of the material 1 are overlapped and formed into a cylindrical shape, laterally sealed / cut by one piece (length L), and folded along the crease line 1a.
As shown in FIG. 2, a web-like paper packaging material 1 (length L for one container) is perforated with an extraction hole 42 and an air hole 43 (43a in the third embodiment, 43b in the second embodiment). The location to be set is set.
繰り出された包装積層材料１は、搬送手段としての送り装置によって連続的に搬送され、ベンディングローラ、ダンパローラ等を経てウェブ状包装積層材料１は、パンチング装置４０によって所定間隔ごとに穿孔され注出孔４２及び空気孔４３が形成される。
引き続き、注出口栓のスパウト部分形成用インジェクション成形装置４１によって注出孔の注出口栓のスパウト部分及び第２プルタブが形成されてる。
The fed packaging laminated material 1 is continuously conveyed by a feeding device as a conveying means, and the web-shaped packaging laminated material 1 is punched at predetermined intervals by a punching device 40 through a bending roller, a damper roller, and the like. 42 and air holes 43 are formed.
Subsequently, the spout part of the spout port of the spout hole and the second pull tab are formed by the injection molding device 41 for spout part of the spout port.
インジェクション成形装置４１による射出成形を、実施例のスパウト部分の製造を示す図１と、注出口栓の参考例の射出成形工程を示す図５とを参照して説明する。 The injection molding by the injection molding apparatus 41 will be described with reference to FIG. 1 showing the production of the spout portion of the embodiment and FIG. 5 showing the injection molding process of the reference example of the spout stopper.
図１に、スパウト部分（第２プルタブを含む）形成用インジェクション成形装置例を示す。
このスパウト部分形成用インジェクション成形装置によって注出口栓のスパウト１０と第２プルタブ１８が形成される。
この装置では、容器内側に対応する注出孔内側を覆うように、第１金型１５を配設し、容器外側に対応する注出孔外側を覆うように、所定のキャビティを有する第２金型１６を配設する。キャビティ・ゲート１７から溶融樹脂（ポリエチレン、ポリプロピレンなどのポリオレフィンなど）をキャビティに射出して注出口栓の注出筒５及びスパウト１０、第２プルタブ１８を成形する。
FIG. 1 shows an example of an injection molding apparatus for forming a spout portion (including a second pull tab).
The spout part spout 10 and the second pull tab 18 are formed by this spout part forming injection molding apparatus.
In this apparatus, the first mold 15 is disposed so as to cover the inside of the pouring hole corresponding to the inside of the container, and the second metal having a predetermined cavity so as to cover the outside of the pouring hole corresponding to the outside of the container. A mold 16 is disposed. A molten resin (polyolefin such as polyethylene or polypropylene) is injected into the cavity from the cavity gate 17 to mold the spout cylinder 5, spout 10, and second pull tab 18 of the spout stopper.
参考例の注出口栓の図５を参照して、この発明による実施例の射出成形工程を説明する。
ウェブ状積層包装材料１を矢印の方向に搬送し、ウェブ状積層包装材料１をパンチング装置（図示せず）で所定間隔ごとに穿孔して注出孔４２を形成する。
The injection molding process of the embodiment according to the present invention will be described with reference to FIG.
The web-shaped laminated packaging material 1 is conveyed in the direction of the arrow, and the web-shaped laminated packaging material 1 is punched at predetermined intervals by a punching device (not shown) to form the dispensing holes 42.
容器内側に対応する注出孔４２内側を覆うように、所定のキャビティを有し、内壁にガスバリアフィルム１３を載置した第１金型１５を配設し、容器外側に対応する注出孔４２外側を覆うように、所定のキャビティを有する第２金型１６を配設する。
キャビティ・ゲート１７から溶融樹脂をキャビティに射出して注出口栓の注出筒５及びスパウト１０を成形する。
A first mold 15 having a predetermined cavity and having the gas barrier film 13 placed on the inner wall is disposed so as to cover the inside of the pouring hole 42 corresponding to the inside of the container, and the pouring hole 42 corresponding to the outside of the container. A second mold 16 having a predetermined cavity is disposed so as to cover the outside.
The molten resin is injected from the cavity gate 17 into the cavity, and the spout cylinder 5 and the spout 10 of the spout stopper are formed.
続いて、図４に示すように、ストリップ貼着装置３に送られ、ストリップ貼着装置によって包装積層材料１の一方の縁部に沿ってストリップが貼着される。
帯状包装積層材料１の縁部にストリップを接合する際、帯状包装積層材料とストリップとを挟んで、一方側に、プレッシャローラを配設して圧し、他方に、プレッシャローラによる圧力を受け、それに対向し、押さえ支持するようにカウンタローラを配設する。
Then, as shown in FIG. 4, it is sent to the strip sticking apparatus 3, and a strip is stuck along one edge part of the packaging laminated material 1 by a strip sticking apparatus.
When the strip is joined to the edge of the strip-shaped packaging laminate material 1, the strip-shaped packaging laminate material and the strip are sandwiched, the pressure roller is disposed and pressed on one side, the pressure on the other is received by the pressure roller, Counter rollers are arranged so as to face each other and hold down.
包装積層材料が搬送されるに伴って、プレッシャローラ及びカウンタローラが包装積層材料及びストリップを挟んだ状態で押圧されて回転させ、縦シール部の合せ面がシールされ接着される。 As the packaging laminate material is conveyed, the pressure roller and the counter roller are pressed and rotated while sandwiching the packaging laminate material and the strip, and the mating surfaces of the vertical seal portions are sealed and bonded.
包装積層材料１は、殺菌槽４に送られ、殺菌槽４において過酸化水素等の殺菌液によって殺菌される。包装積層材料１は、エアナイフに送られ、エアナイフによって乾燥させられた後、無菌室（図示せず）に送られる。そして、包装積層材料１は、成形リング７によって徐々に変形させられてチューブ状（筒状）の形状にされる。包装積層材料１は、縦シール装置２０によって縦方向にシールされ、充填パイプ（図示せず）を介して供給された流動性食品が包装積層材料１内に充填される。 The packaging laminated material 1 is sent to the sterilization tank 4 and sterilized with a sterilization liquid such as hydrogen peroxide in the sterilization tank 4. The packaging laminate material 1 is sent to an air knife, dried by the air knife, and then sent to a sterilization chamber (not shown). Then, the packaging laminate material 1 is gradually deformed by the molding ring 7 and is formed into a tube shape (tubular shape). The packaging laminate material 1 is sealed in the longitudinal direction by the longitudinal sealing device 20, and the fluid food supplied via a filling pipe (not shown) is filled into the packaging laminate material 1.
チューブ状に成形された包装積層材料の両縁部同士を、縦シール装置２０によってストリップと共に押し当てて縦シールする際、帯状包装積層材料の一の縁部と他方の縁部とを挟んで、一方側に、プレッシャローラを回転自在に配設して圧し、他方に、プレッシャローラによる圧力を受け、それに対向し、押さえ支持するようにカウンタローラを回転自在に配設し、縦シール部の合せ面がシールされ接着される。 When both ends of the packaging laminate material formed into a tube shape are pressed together with the strip by the longitudinal seal device 20 and vertically sealed, sandwiching one edge and the other edge of the strip packaging laminate material, On one side, a pressure roller is rotatably arranged and pressed, and on the other side, a counter roller is rotatably arranged to receive pressure from the pressure roller so as to oppose and support the pressure roller. The face is sealed and glued.
チューブ状包装積層材料は、ローラによって案内され、横シール装置（図示せず）に送られ、挟まれて横方向にシールされ、横シールされた包装積層材料は、ナイフなどで切断されて枕状予備成形体２１が形成される。
枕状予備成形体２１は、最終成形装置（図示せず）によって最終の形状に成形され、流動性食品を収容する包装容器１４が完成する。
図３に、注出孔に注出口栓及びキャップ２、第２プルタブ１８が、包装容器１４の頂壁３に設けられた包装容器例の外観斜視図を示す。
The tubular packaging laminate material is guided by a roller, sent to a lateral sealing device (not shown), sandwiched and sealed in the lateral direction, and the laterally sealed packaging laminate material is cut with a knife or the like to form a pillow. A preform 21 is formed.
The pillow-shaped preform 21 is molded into a final shape by a final molding apparatus (not shown), and the packaging container 14 that stores the fluid food is completed.
FIG. 3 shows an external perspective view of an example of a packaging container in which a spout stopper and a cap 2 and a second pull tab 18 are provided on the top wall 3 of the packaging container 14 in the dispensing hole.
図４に示す包装充填装置例では、最終成形装置の製造ライン下流側にキャップ装着装置を備える。
図７に示すように、包装容器１４の頂壁３の注出筒５及びスパウト１０の上方から、キャップ装着装置によってキャップ２が装着される。
図３、６、７に本発明による製造法の包装容器１４の種々の実施例を示す。
In the example of the packaging and filling apparatus shown in FIG. 4, a cap mounting apparatus is provided on the downstream side of the production line of the final molding apparatus.
As shown in FIG. 7, the cap 2 is mounted by the cap mounting device from above the pouring cylinder 5 and the spout 10 on the top wall 3 of the packaging container 14.
3, 6 and 7 show various embodiments of the packaging container 14 of the manufacturing method according to the present invention .
図１に示すように、容器内側に対応する注出孔４２及び空気孔１９内側を覆うように、薄いキャビティを有した第１金型１５を配設し、容器外側に対応する注出孔４２及び空気孔１９外側を覆うように、所定のキャビティを有する第２金型１６を配設する。
包装材料１に形成された孔４２、１９を挟んで、注出筒５のキャビティ、容器壁と接合する基部６のキャビティ、スパウトを封止する第１プルタブ９のキャビティ、第２プルタブ１８のキャビティが形成される。第１及び第２プルタブ９、１８の外周に弱め線が形成され、破断可能なプルタブとからなる。
As shown in FIG. 1, a first mold 15 having a thin cavity is disposed so as to cover the inside of the pouring hole 42 and the air hole 19 corresponding to the inside of the container, and the pouring hole 42 corresponding to the outside of the container. And the 2nd metal mold | die 16 which has a predetermined cavity is arrange | positioned so that the air hole 19 outer side may be covered.
The cavity of the pouring cylinder 5, the cavity of the base 6 joined to the container wall, the cavity of the first pull tab 9 that seals the spout, and the cavity of the second pull tab 18 across the holes 42 and 19 formed in the packaging material 1 Is formed. A weak line is formed on the outer periphery of the first and second pull tabs 9 and 18, and the pull tabs are breakable.
図１に示すように、キャビティ・ゲート１７から溶融樹脂をキャビティに射出する。溶融樹脂が射出されてキャビティ内を流動し、溶融樹脂はゲートからキャビティー内部に隙間なく充填される。 As shown in FIG. 1, molten resin is injected from the cavity gate 17 into the cavity. The molten resin is injected and flows in the cavity, and the molten resin is filled from the gate into the cavity without any gap.
図８に、この実施例による注出口栓のスパウト部分の外観を示す。
注出口栓例は、容器の注出孔に設けられ、外周に凸ねじ山を有する注出筒５及び、注出筒５と一体化して注出孔外周辺の容器壁と接合する基部６を有する円筒状のスパウト１０と、スパウト１０内部底面に形成されたプルタブ基部８と、プルタブ基部８に連結し開封時に使用されるプルリング（プルタブ）９とからなる。
In FIG. 8, the external appearance of the spout part of the spout stopper by this Example is shown.
An example of a spout stopper includes a spout cylinder 5 having a convex thread on the outer periphery and a base 6 that is integrated with the spout cylinder 5 and joined to a container wall around the spout hole. It comprises a cylindrical spout 10 having a pull tab base 8 formed on the inner bottom surface of the spout 10 and a pull ring 9 connected to the pull tab base 8 and used for opening.
図６及び７に本発明による製造法の包装容器１４の別の実施例を示す。
図６に示す包装容器１４の実施例では、空気孔の位置を、図２に示す包装材料での隣接する容器の底部分４３ａに設ける。この例では、隣の容器の底部パネルに空気孔を設けることとなる。
この例では、容器に高濃度栄養食品などを充填し、カテーテルを介して経口、経鼻へ供給することが可能になる。この場合、注ぎ口の第１プルタブ９を開封し、注ぎ口にカテーテルのアダプターをネジで取り付け、容器を上下さかさまになるよう、専用のホルダーに収め、スタンドに吊下げた後、底部の第２プルタブ１８を引き開けて通気孔を開けて使用する。通気孔を開けた後、第２プルタブ１８を容器１４に残し、通気孔１９を再度覆うようにして、流量を調整することもできる。
6 and 7 show another embodiment of the packaging container 14 of the manufacturing method according to the present invention .
In the embodiment of the packaging container 14 shown in FIG. 6, the position of the air holes is provided in the bottom portion 43a of the adjacent container with the packaging material shown in FIG. In this example, air holes will be provided in the bottom panel of the adjacent container.
In this example, it becomes possible to fill a container with a high-concentration nutritional food and supply it to the oral cavity and the nasal cavity via a catheter. In this case, the first pull tab 9 of the spout is opened, a catheter adapter is attached to the spout with a screw, the container is placed upside down in a dedicated holder, hung on a stand, 2 Pull tab 18 is used to open a vent hole. After opening the vent hole, the flow rate can be adjusted by leaving the second pull tab 18 in the container 14 and covering the vent hole 19 again.
図７に示す包装容器１４の実施例では、空気孔の位置を、図２に示す包装材料での異なる器壁パネル部分４３ｂに設ける。用途、容器の種類などに応じて、適宜、空気孔の位置を変形設計することができる。 In the embodiment of the packaging container 14 shown in FIG. 7, the positions of the air holes are provided in different vessel wall panel portions 43b in the packaging material shown in FIG. The position of the air hole can be modified and designed as appropriate according to the use, the type of container, and the like.
なお、本発明は前記実施の形態に限定されるものではなく、本発明の趣旨に基づいて種々変形させることが可能であり、それらを本発明の範囲から排除するものではない。 In addition, this invention is not limited to the said embodiment, It can change variously based on the meaning of this invention, and does not exclude them from the scope of the present invention.
この発明は、ジュース、牛乳などの飲料を包装充填する注出口栓付き液体用包装容器の製造に適用することができる。 The present invention can be applied to the production of a liquid packaging container with a spout stopper for packaging and filling beverages such as juice and milk.
５ ・・ 注出筒
９ ・・ 第１プルタブ
１０ ・・ スパウト
１８ ・・ 第２プルタブ
１９ ・・ 空気孔
４２ ・・ 注出孔
１７ ・・ ゲート
5 .. Outlet tube 9 .. First pull tab 10 .. Spout 18 .. Second pull tab 19 .. Air hole 42 .. Outlet hole 17 .. Gate
Claims (1)
該ウェブ状包装材料を所定間隔ごとに穿孔して注出孔と該注出孔から離設された空気孔とを形成し、
容器内側に対応する該注出孔及び該空気孔の内側を覆うように、所定のキャビティを有した第１金型を配設し、容器外側に対応する該注出孔及び該空気孔の外側を覆うように、所定のキャビティを有する第２金型を配設し、
キャビティ・ゲートから溶融樹脂を該キャビティに射出して、該注出筒と一体化して該注出孔外周辺の容器壁と接合する基部を有するスパウトと、該スパウトと一体化して該スパウトを封止するように内蔵された破断可能な第１プルタブ、該注出孔から離設された空気孔を封止するように覆う破断可能な第２プルタブを成形し、
該ウェブ状包装材料をチューブ状に成形し、該包装材料の両縁部を重ねてオーバーラップを形成し、
該オーバーラップで縦線方向に縦シールして縦シール帯域を形成し、
該チューブ状包装材料内に内容物を充填し、
所定間隔毎に該包装材料を横断方向に押圧し、横シールにより密封されて横シール帯域を形成し、
横シール帯域で切断して枕状予備成形体を得、
該折り目線に沿って折り畳んで包装容器を得、
該スパウトを覆うようにキャップを配設して、包装容器を製造する
ことを特徴とする包装容器の製造法。 A web-like paper packaging material having a predetermined crease line is prepared,
Perforating the web-shaped packaging material at predetermined intervals to form a pour hole and an air hole spaced from the pour hole,
A first mold having a predetermined cavity is disposed so as to cover the inside of the pouring hole and the air hole corresponding to the inside of the container, and the outside of the pouring hole and the air hole corresponding to the outside of the container A second mold having a predetermined cavity is disposed so as to cover
A molten resin is injected from the cavity gate into the cavity, and a spout having a base that is integrated with the pouring cylinder and joined to a container wall outside the pouring hole is integrated with the spout to seal the spout. Forming a breakable first pull tab incorporated so as to stop, and a breakable second pull tab covering the air hole separated from the pouring hole,
Forming the web-like packaging material into a tube shape, overlapping both edges of the packaging material to form an overlap,
A vertical seal zone is formed by vertical sealing in the vertical direction with the overlap,
Fill the tubular packaging material with the contents,
The packaging material is pressed in the transverse direction at predetermined intervals, and is sealed by a transverse seal to form a transverse seal zone,
Cut at the horizontal sealing zone to obtain a pillow-shaped preform,
Fold along the crease line to obtain a packaging container,
A method for producing a packaging container, wherein a cap is disposed so as to cover the spout and a packaging container is produced.
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| JPH06255651A (en) * | 1993-02-24 | 1994-09-13 | Dainippon Printing Co Ltd | Paper container for liquid |
| JPH0858781A (en) * | 1994-08-17 | 1996-03-05 | Toyo Kagaku Kk | Ejector jig for liquid container |
| JP3688327B2 (en) * | 1995-01-12 | 2005-08-24 | 日本テトラパック株式会社 | Liquid container |
| JP2002096828A (en) * | 2000-09-21 | 2002-04-02 | Shikoku Kakoki Co Ltd | Container with pouring device and manufacturing method therefor |
| JP2004284622A (en) * | 2003-03-20 | 2004-10-14 | Dainippon Printing Co Ltd | Paper container for liquid with spout |
| JP2008155954A (en) * | 2006-12-24 | 2008-07-10 | Nihon Tetra Pak Kk | Spout stopper, packaging container and method for manufacturing packaging container |
| JP2008273600A (en) * | 2007-05-02 | 2008-11-13 | Hiroaki Mizunoe | Spout structure for liquid container |
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