JP2013086829A - Spout with cap for aseptic filling - Google Patents

Spout with cap for aseptic filling Download PDF

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JP2013086829A
JP2013086829A JP2011228156A JP2011228156A JP2013086829A JP 2013086829 A JP2013086829 A JP 2013086829A JP 2011228156 A JP2011228156 A JP 2011228156A JP 2011228156 A JP2011228156 A JP 2011228156A JP 2013086829 A JP2013086829 A JP 2013086829A
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spout
thin film
cap
film portion
solution
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JP5770590B2 (en
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Orihiro Tsuruta
織寛 鶴田
Mitsuru Sato
充 佐藤
Shinji Ooka
新治 大岡
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Nippon Closures Co Ltd
Orihiro Engineering Co Ltd
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Orihiro Engineering Co Ltd
Japan Crown Cork Co Ltd
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Abstract

PROBLEM TO BE SOLVED: To provide a spout that inhibits the intrusion of medical solution therein to efficiently prevent remaining of the medical solution even when sterilization treatment with medical solution is performed, and that can correspond to the aseptic filling and ensure the spouting property of the content solution.SOLUTION: The spout with a cap includes: the pout including a cylindrical body having a space inside serving as a spouting passage for a content solution penetrated therethrough, and a welding portion positioned at a lower part of the cylindrical body and having a solution surface extending downward from a top plate and the peripheral edge of the top plate, and the cap engaged with the spout. A thin film portion that seals the opening serving as the spouting passage for the content and the circumferential edge of which can be cut along the opening with a cutter is formed on the bottom surface of the welding portion, and a projecting portion that extends axially downward is formed on the lower surface of the thin film portion. The circumferential part of the thin film portion except for a part to be a connection portion is cut with the cutter, and then the thin film portion is pushed inside the spouting passage around the connection portion as a support and the tip of the projection portion is engaged with the side surface of the spouting passage.

Description

本発明は、飲料等を内容物とする包装体に溶着して使用されるスパウトに関するものであり、より詳細には、内容物充填前の薬液殺菌による薬液を効率的に除去可能であり、アセプティック充填に対応可能なキャップ付スパウトに関する。   The present invention relates to a spout that is used by being welded to a packaged body containing a beverage or the like. More specifically, the chemical solution by chemical sterilization before filling the content can be efficiently removed, and the aseptic It relates to a spout with a cap that can be filled.

液状或いはゼリー状の内容物を充填する、プラスチックフィルムやプラスチックフィルムと金属箔の積層体から成る袋状の包装体等に取り付けられるスパウトは、袋状の包装体からの内容物の取出しやリシールが容易であること等から、従来より広く用いられている。
一般に、飲食品等を内容物とするスパウトを備えて成る袋状包装体においては、高温に加熱された内容物を包装体内に充填することによって衛生性を保っている。
しかしながら、内容物によっては高温にすることによって風味が変わってしまう場合があると共に、熱間充填後に冷却する必要があることから生産性の点で、スパウトが溶着されてなる袋状包装体においても、内容物を予め殺菌された包装体に無菌状態で充填する、所謂アセプティック充填に対応できることの要求が高まっている。
Spouts attached to bag-like packages made of plastic film or a laminate of plastic film and metal foil that are filled with liquid or jelly-like contents can be taken out and resealed from the bag-like package. Since it is easy, it has been widely used.
In general, in a bag-shaped package including a spout having a content of food or drink or the like, hygiene is maintained by filling the package with a content heated to a high temperature.
However, depending on the contents, the flavor may change due to the high temperature, and since it is necessary to cool after hot filling, in the bag-shaped package body in which spout is welded in terms of productivity. There is an increasing demand for being able to cope with so-called aseptic filling, in which the contents are filled in aseptic conditions in a pre-sterilized package.

アセプティック充填に対応可能なスパウトとするためには、予め電子線殺菌等で殺菌されたキャップ付スパウトを包装体と組み合わせた後に更に行う薬液による殺菌に際して、スパウトに付着する薬液、特に筒状部の内部や微細な凹凸部分に浸入する薬液が残存しないようにすることが重要である。
すなわち、スパウト或いはキャップ内に薬液が残存すると、内容物の風味を損なう等の問題を有することから、付着した薬液を完全に除去する必要があるが、かかる部分の薬液は風圧で吹き飛ばす等の簡易な方法では完全に除去することが困難であり、加熱乾燥等の煩雑な除去工程を経ると生産性やコストの点で十分満足するものではない。従って、薬液の残存を防止するためには、注出筒内部等に予め薬液が浸入しないようにすることが望ましい。
In order to obtain a spout that can handle aseptic filling, a chemical solution that adheres to the spout, particularly a cylindrical portion, is to be sterilized by a chemical solution that is further sterilized in advance after combining the cap spout sterilized by electron beam sterilization with a package. It is important not to leave any chemicals that enter the interior or fine irregularities.
That is, if the chemical solution remains in the spout or cap, there is a problem that the flavor of the contents is impaired, so it is necessary to completely remove the attached chemical solution, but such a chemical solution is simply blown away by wind pressure, etc. However, it is difficult to remove completely by such a method, and it is not satisfactory in terms of productivity and cost through a complicated removal process such as heat drying. Therefore, in order to prevent the remaining of the chemical liquid, it is desirable to prevent the chemical liquid from entering the dispensing cylinder or the like in advance.

注出筒が予め閉塞されているスパウトも知られており、例えば、下記特許文献1には、注出筒部と容器本体の開口シール部に取り付けられる取付部とを有するスパウトであって、前記注出筒部内に注出口を塞ぐ隔膜を有し、前記注出筒部の内周面に機能性樹脂層を有する多層筒状スリーブを設け、前記隔膜と前記多層筒状スリーブの下端部を前記容器本体とのシール部となる位置に位置させたことを特徴とするスパウトが提案されている。
また下記特許文献2には、パウチ(2)内の内容物の注出を行う注出筒(3)と、該注出筒(3)に連接して形成され、パウチ(2)の内面縁部に溶着固定される取付部(6)と、を備えたスパウト(1)において、注出筒(3)の下端部には封止底部(5)と摘み片(9)が設けられ、前記封止底部(5)の上方に位置する注出筒には破断可能な弱化部(8)が形成されていることを特徴とするスパウトが提案されている。
これらはいずれも使用に際して前記隔膜或いは摘み片を破断することにより内容物の注出が可能になる。
There is also known a spout in which the dispensing tube is closed in advance, for example, in Patent Document 1 below, a spout having a dispensing tube portion and an attachment portion attached to the opening seal portion of the container body, The outlet cylinder has a diaphragm that closes the outlet, and a multilayer cylindrical sleeve having a functional resin layer is provided on the inner peripheral surface of the outlet cylinder, and the lower end of the diaphragm and the multilayer cylindrical sleeve There has been proposed a spout characterized by being positioned at a position to be a seal portion with a container body.
In Patent Document 2 below, a pour tube (3) that pours out the contents in the pouch (2), and an inner edge of the pouch (2) are formed connected to the pour tube (3). In a spout (1) provided with an attachment part (6) welded and fixed to the part, a sealing bottom part (5) and a knob piece (9) are provided at the lower end part of the pouring tube (3), A spout characterized in that a weakening portion (8) that can be broken is formed in the extraction cylinder located above the sealing bottom portion (5).
In any case, the contents can be poured out by breaking the diaphragm or knob.

特開2008−87786号公報JP 2008-87786 A 特開2009−166898号公報JP 2009-166898 A

しかしながら、上記スパウトでは、完全に破断され、スパウトから分離した隔膜或いは摘み片が包装体内に浮遊するので、破断部分の誤飲のおそれがあると共に、そのおそれがないとしても心理的には好ましいものではない。また破断された前記隔膜や摘み片が内容物の流れによって再び内容物の流路を閉塞し、注出の妨げになるおそれもある。前記隔膜や摘み片が完全に破断されない場合も同様である。   However, in the spout, since the diaphragm or the picked piece that is completely broken and separated from the spout floats in the package, there is a risk of accidental ingestion of the broken portion, and psychologically preferable even if there is no such risk is not. In addition, the broken diaphragm or knob may block the content flow path again due to the flow of the content, which may hinder the dispensing. The same applies to the case where the diaphragm and the knob are not completely broken.

従って本発明の目的は、薬液による殺菌を行った場合でも、スパウト内に薬液が浸入せず、スパウトの包装体内面側において薬液の残存が有効に防止され、アセプティック充填に対応可能であると共に、内容物の注出性が損なわれないスパウトを提供することである。   Therefore, the object of the present invention is that even when sterilization with a chemical solution is performed, the chemical solution does not enter the spout, the remaining of the chemical solution is effectively prevented on the inner surface side of the spout package, and it is possible to handle aseptic filling, It is to provide a spout that does not impair the dispensing ability of the contents.

本発明によれば、内部に内容液の注出路となる空間が貫通している筒状本体と、該筒状本体の下部に位置し、頂板部及び該頂板部周縁から下方に延びる溶着面を有する溶着部とから成るスパウト、及び該スパウトに係合するキャップとから成るキャップ付スパウトであって、前記溶着部の底面には、内容物の注出路となる開口を閉塞し、開口に沿ってその周縁部がカッターにより切断可能な薄膜部が形成されており、該薄膜部の下面には軸方向下方に延びる突出部が形成されており、前記薄膜部の周縁部が、連結部となるべき部分を除いてカッターにより切断された後、薄膜部が連結部を支点として注出路内部に押し込まれ、前記突出部の先端部が注出路の側面に係止することを特徴とするキャップ付スパウトが提供される。   According to the present invention, a cylindrical main body through which a space serving as a discharge path for the content liquid penetrates, and a welding surface that is positioned at the lower part of the cylindrical main body and extends downward from the top plate peripheral edge. A spout with a cap comprising a welded portion having a cap and a cap engaged with the spout, the bottom of the welded portion closing an opening serving as a pouring path for contents, along the opening A thin film part whose peripheral part can be cut by a cutter is formed, and a projecting part extending downward in the axial direction is formed on the lower surface of the thin film part, and the peripheral part of the thin film part should be a connecting part The spout with a cap is characterized in that after being cut by a cutter except for the portion, the thin film portion is pushed into the pouring path with the connecting portion as a fulcrum, and the tip of the protruding portion is locked to the side surface of the pouring path. Provided.

本発明のキャップ付スパウトにおいては、
1.薄膜部の周縁部に、連結部と成るべき部分を除いて上面からスコアが形成されていること、
2.突出部が、薄膜部の中央に形成されていること、
が好適である。
In the spout with a cap of the present invention,
1. A score is formed on the peripheral edge of the thin film portion from the top surface except for the portion to be the connecting portion,
2. The protrusion is formed at the center of the thin film part,
Is preferred.

本発明のキャップ付スパウトにおいては、薬液に浸漬或いは薬液を噴霧することにより殺菌を行っても、スパウトの溶着部の底面に形成された内容物の注出路となる開口を閉塞する薄膜部が形成されているため、薬液の除去が困難な箇所に薬液が浸入することがなく、薬液の残存等によって内容物の風味を損なうことを有効に防止できる。
しかも内容物を注出する際には、破断された薄膜部が注出路を閉塞することがないので、優れた注出性も確保されている。
In the spout with a cap of the present invention, even if sterilization is performed by immersing in the chemical solution or spraying the chemical solution, a thin film portion is formed that closes the opening serving as a discharge path for the contents formed on the bottom surface of the spout welded portion. Therefore, the chemical solution does not enter a place where it is difficult to remove the chemical solution, and it is possible to effectively prevent the flavor of the contents from being impaired due to the remaining of the chemical solution.
Moreover, when the contents are poured out, the broken thin film portion does not block the pouring path, so that excellent pouring properties are also ensured.

本発明のキャップ付スパウトの一例の側面図である。It is a side view of an example of a spout with a cap of the present invention. 図1に示す本発明のキャップ付スパウトの側断面図である。It is a sectional side view of the spout with a cap of this invention shown in FIG. 図1に示すキャップ付スパウトのスパウト部分の側面図である。It is a side view of the spout part of the spout with a cap shown in FIG. 図3に示すスパウトの側断面図である。It is a sectional side view of the spout shown in FIG. 図3に示すスパウトの上面図である。It is a top view of the spout shown in FIG. 図3に示すスパウトの底面図である。It is a bottom view of the spout shown in FIG. 図1に示すキャップ付スパウトの薄膜部が破断された後の状態を示す側断面図である。It is a sectional side view which shows the state after the thin film part of the spout with a cap shown in FIG. 1 was fractured | ruptured. 図7に示すキャップ付スパウトのスパウト部分の底面図である。It is a bottom view of the spout part of the spout with a cap shown in FIG.

本発明を添付図面に基づいて説明する。
図1乃至図6に示すように、本発明のキャップ付スパウトは、それぞれ別々に成形されたスパウト1とスパウト1に螺子係合により脱着可能に適用されるキャップ30から成っている。
スパウト1は、概略的に言って、内部に内容物の注出路となる空間2が貫通している筒状本体3と、筒状本体3の下部に位置し、スパウト1を袋状包装体(図示せず)に固着するための溶着部4から成っている。筒状本体3の上部外面には、キャップ30と螺子係合するための螺子部5、後述するキャップ30のキャップ本体下端と密着してキャップ内への薬液の浸入を防止するための環状突起6及びキャップ30のタンパーエビデントバンドを破断するための複数個の突起7,7,・・・が形成されている。溶着部4は、頂板部8及びこの頂板部8の周縁から下方に延びる溶着面9を有しており、この溶着面9に袋状包装体が溶着される。図に示す具体例においては、溶着部4には、使用樹脂を削減するために、図面の奥行き方向に延びる貫通孔10,10,・・・が複数個設けられている。
The present invention will be described with reference to the accompanying drawings.
As shown in FIGS. 1 to 6, a spout with a cap according to the present invention comprises a spout 1 formed separately and a cap 30 detachably applied to the spout 1 by screw engagement.
Generally speaking, the spout 1 is located in a cylindrical main body 3 through which a space 2 serving as a content extraction path passes, and a lower portion of the cylindrical main body 3. It consists of a welded portion 4 for adhering to (not shown). On the outer surface of the upper portion of the cylindrical main body 3, there are a screw portion 5 for screwing the cap 30 and an annular protrusion 6 for tightly contacting the lower end of the cap main body of the cap 30 to be described later and preventing the chemical solution from entering the cap. And a plurality of protrusions 7, 7,... For breaking the tamper evidence band of the cap 30 are formed. The welding portion 4 has a top plate portion 8 and a welding surface 9 extending downward from the periphery of the top plate portion 8, and the bag-like package is welded to the welding surface 9. In the specific example shown in the drawing, the welded portion 4 is provided with a plurality of through holes 10, 10,... Extending in the depth direction of the drawing in order to reduce the amount of resin used.

キャップ30は、概略的に言って、天面31及び天面31から垂下するスカート部32から成るキャップ本体33と、スカート部32の下端に破断不能な連結部39と破断可能な弱化部34を介して一体に成形されたタンパーエビデントバンド35から成っている。
キャップ本体33の天面の31の内面には、スパウトの筒状本体3の上部11の内面と密着するインナーリング36が形成されている。またスカート部32の内面には、スパウトの筒状本体3の螺子部5と係合する螺子部37が形成されている。
更にタンパーエビデントバンド35の内面には、スパウトの筒状本体3の外面に形成された複数個の突起7,7,・・・と係合する複数個のフラップ片38,38,・・・が形成されている。これにより、開封のためにキャップ30を旋回すると、突起7,7,・・・とフラップ片38,38,・・・が係合してタンパーエビデントバンド35はキャップ本体33の旋回に追従することなく弱化部34が破断する。開封後にはタンパーエビデントバンド35は連結部39でのみキャップ本体33に連結される形態となり、リシ−ルによっても開封前の形態に戻ることはない。これにより、一旦開封されたものであることを明示することができる。
Generally speaking, the cap 30 includes a top body 31 and a cap body 33 composed of a skirt portion 32 depending from the top surface 31, a non-breakable connecting portion 39 and a breakable weakening portion 34 at the lower end of the skirt portion 32. The tamper evident band 35 is formed integrally therewith.
An inner ring 36 that is in close contact with the inner surface of the upper portion 11 of the spout cylindrical body 3 is formed on the inner surface of the top surface 31 of the cap body 33. Further, on the inner surface of the skirt portion 32, a screw portion 37 that engages with the screw portion 5 of the cylindrical body 3 of the spout is formed.
Further, on the inner surface of the tamper evident band 35, a plurality of flap pieces 38, 38,... That engage with a plurality of projections 7, 7,. Is formed. When the cap 30 is turned for opening, the protrusions 7, 7,... And the flap pieces 38, 38,... Engage with each other, and the tamper evidence band 35 follows the turning of the cap body 33. The weakened portion 34 is broken without any failure. After opening, the tamper-evident band 35 is connected to the cap body 33 only at the connecting portion 39, and it does not return to the form before opening even by resilience. Thereby, it can be clearly shown that it is once opened.

本発明のキャップ付スパウトは、上述した基本構造において、筒状本体3の底面において、内容物の注出路となる開口を閉塞する薄膜部12が形成され、この薄膜部12の下面中央に軸方向下方に延びる突出部13が形成されていることが重要な特徴である。
この薄膜部12はカッター等の切断手段により切断可能に形成されており、特に図に示す具体例においては、薄膜部12の周縁部の一部を連結部14とし、他の周縁部に上面、すなわち筒状本体内部側からスコア15が形成されている。薄膜部12の上面からスコア15が形成されていることにより、スコア15の溝に薬液が付着することがなく、薬液の残存を確実に防止できる。
スパウトの薬液による洗浄が終了した後、筒状本体3の横断面に沿うように、薄膜部12の連結部14を除いたスコア15の部分をカッター等で切断すると共に、連結部14を軸に筒状本体内部に薄膜部12に押し込む。薄膜部12が連結部14を軸に最初の位置からほぼ90度回転すると、図7及び図8に示すように、突出部13の先端が筒状本体3の内側面16に係止して、薄膜部12は筒状本体3の内側面に沿って軸方向に維持され、内容物の流路である空間2を閉塞することがないので、内容物の注出性が阻害されることが有効に防止されている。
In the spout with a cap according to the present invention, in the basic structure described above, a thin film portion 12 is formed on the bottom surface of the cylindrical main body 3 to close an opening serving as a content extraction passage. It is an important feature that the protrusion 13 extending downward is formed.
The thin film portion 12 is formed so as to be cut by a cutting means such as a cutter. Particularly, in the specific example shown in the figure, a part of the peripheral portion of the thin film portion 12 is a connecting portion 14 and the other peripheral portion has an upper surface, That is, the score 15 is formed from the inside of the cylindrical main body. Since the score 15 is formed from the upper surface of the thin film portion 12, the chemical solution does not adhere to the groove of the score 15, and the remaining of the chemical solution can be reliably prevented.
After the spout cleaning with the chemical solution is completed, a portion of the score 15 excluding the connecting portion 14 of the thin film portion 12 is cut with a cutter or the like so as to follow the cross section of the cylindrical main body 3, and the connecting portion 14 is used as an axis. The thin film portion 12 is pushed into the cylindrical main body. When the thin film portion 12 rotates about 90 degrees from the initial position around the connecting portion 14, as shown in FIGS. 7 and 8, the tip of the protruding portion 13 is locked to the inner side surface 16 of the cylindrical main body 3, The thin film portion 12 is maintained in the axial direction along the inner side surface of the cylindrical main body 3 and does not block the space 2 that is the flow path of the content. Has been prevented.

本発明のキャップ付スパウトにおいては、薄膜部12に形成される突出部13は、その先端が筒状本体3の内側面16に圧着して係止して内容物の流路を確保することが重要であることから、連結部14に対して垂直な半径上に突出部13を形成する場合には、突出部13の長さは、筒状本体3の内径とほぼ同じであることが必要である。また薄膜部12の確実な固定という点では突出部13は薄膜部12の連結部14の反対側に位置することが望ましいが、薄膜部12が筒状本体3の内部に押し込まれる際に折れてしまうことを防止するためには、突出部13の位置は薄膜部の中央付近にあることが望ましく、更に突出部13は可撓性を有するように形成されることが望ましい。   In the spout with a cap according to the present invention, the protruding portion 13 formed on the thin film portion 12 can be secured by pressing the tip of the protruding portion 13 to the inner side surface 16 of the cylindrical body 3 to secure the flow path of the contents. Since it is important, when forming the protruding portion 13 on a radius perpendicular to the connecting portion 14, the length of the protruding portion 13 needs to be substantially the same as the inner diameter of the cylindrical main body 3. is there. The protrusion 13 is preferably located on the opposite side of the connecting portion 14 of the thin film portion 12 in terms of secure fixing of the thin film portion 12, but is broken when the thin film portion 12 is pushed into the cylindrical body 3. In order to prevent this, the position of the protruding portion 13 is preferably near the center of the thin film portion, and the protruding portion 13 is preferably formed to have flexibility.

本発明のキャップ付スパウトにおいてはこれに限定されるものではないが、予め電子線殺菌等によって殺菌されたキャップ付スパウトの溶着部の一方の面或いは両面を袋状包装体に溶着した後、包装体と共に薬液に浸漬或いは薬液が噴霧されることにより殺菌される。次いで、風圧で薬液が除去された後、薄膜部の切断及び切断された薄膜部の筒状本体への押し込みが行われ、これによりスパウトの外面は勿論内部にいたるまで薬液が残存することが有効に防止される。   The spout with a cap according to the present invention is not limited to this. After one or both surfaces of the welded portion of the spout with a cap previously sterilized by electron beam sterilization or the like are welded to the bag-shaped package, the packaging is performed. It is sterilized by being immersed in the chemical solution with the body or sprayed with the chemical solution. Next, after the chemical solution is removed by wind pressure, the thin film portion is cut and the cut thin film portion is pushed into the cylindrical body, so that it is effective that the chemical solution remains until the outer surface of the spout reaches the inside. To be prevented.

本発明のキャップ付スパウトにおいては、上述した具体例に限定されず、種々の変更が可能である。
例えば、図に示す具体例では、突出部は薄膜部の中央に一つ形成されていたが、切断された薄膜部を固定し得る限りこれに限定されず、偏心した位置に形成してもよいし、複数個形成してもよい。
また図に示した具体例では、連結部を残した箇所にスコアが形成されていたが、連結部にも切断しないスコアが形成されていてもよく、これにより薄膜部の筒状内部への押し込み及び筒状本体の内側面に沿った軸方向に維持することが容易になる。
更に、図に示した具体例では、タンパーエビデントバンドが形成されていたが、必ずしもタンパーエビデントバンドを設けなくてもよく、またキャップ部分をシュリンクフィルム等で覆う等して用いてもよい。
更にまた、溶着部には使用樹脂量を削減すると共に成形時のヒケ等の発生を抑制するためには凹部を形成することが望ましいが、薬液が残存することを防止すべく、図に示したような貫通孔とするか、或いは凹部に微細な角部が存在しないように曲面とすることが望ましい。
The spout with a cap according to the present invention is not limited to the specific examples described above, and various modifications are possible.
For example, in the specific example shown in the figure, one protrusion is formed at the center of the thin film portion, but is not limited to this as long as the cut thin film portion can be fixed, and may be formed at an eccentric position. A plurality of them may be formed.
Further, in the specific example shown in the figure, the score is formed at the place where the connecting portion is left, but the score which is not cut also at the connecting portion may be formed, thereby pushing the thin film portion into the cylindrical inside. And it becomes easy to maintain in the axial direction along the inner surface of the cylindrical body.
Furthermore, in the specific example shown in the figure, the tamper evidence band is formed, but the tamper evidence band is not necessarily provided, and the cap portion may be used by covering it with a shrink film or the like.
Furthermore, it is desirable to form a recess in the welded portion in order to reduce the amount of resin used and to suppress the occurrence of sink marks and the like during molding, but this is shown in the figure in order to prevent chemicals from remaining. It is desirable to use such a through hole or a curved surface so that there are no fine corners in the recess.

本発明のキャップ付スパウトは、従来スパウトの成形に用いられていた、ポリエチレン、ポリプロピレン等の熱可塑性樹脂を用いて、スパウト及びキャップをそれぞれ従来公知の射出成形、圧縮成形等で成形し、これらを組み合わせることによって成形することができる。   The spout with a cap of the present invention is formed by using a thermoplastic resin such as polyethylene or polypropylene, which has been conventionally used for molding a spout, and molding the spout and cap by a conventionally known injection molding, compression molding, or the like. It can be molded by combining.

本発明のキャップ付スパウトは、薬液による殺菌を行っても、風圧等の簡易な手段で薬液を完全に除去することが可能であり、アセプティック充填が行われる袋状包装体に好適に使用することができる。   The spout with a cap of the present invention can be completely removed by a simple means such as wind pressure even when sterilized with a chemical solution, and should be suitably used for a bag-like package in which aseptic filling is performed. Can do.

1 スパウト、3 筒状本体、4 溶着部、12 薄膜部、13 突出部、14 連結部、15 スコア、30 キャップ。   1 spout, 3 cylindrical body, 4 welded part, 12 thin film part, 13 projecting part, 14 connecting part, 15 score, 30 cap.

Claims (3)

内部に内容液の注出路となる空間が貫通している筒状本体と、該筒状本体の下部に位置し、頂板部及び該頂板部周縁から下方に延びる溶着面を有する溶着部とから成るスパウト、及び該スパウトに係合するキャップとから成るキャップ付スパウトであって、
前記溶着部の底面には、内容物の注出路となる開口を閉塞し、開口に沿ってその周縁部がカッターにより切断可能な薄膜部が形成されており、該薄膜部の下面には軸方向下方に延びる突出部が形成されており、前記薄膜部の周縁部が、連結部となるべき部分を除いてカッターにより切断された後、薄膜部が連結部を支点として注出路内部に押し込まれ、前記突出部の先端部が注出路の側面に係止することを特徴とするキャップ付スパウト。
It consists of a cylindrical main body through which a space serving as a discharge path for the content liquid penetrates, and a welded portion located at the lower part of the cylindrical main body and having a weld surface extending downward from the periphery of the top plate portion. A spout with a cap comprising a spout and a cap engaged with the spout,
On the bottom surface of the welded portion, a thin film portion that closes an opening serving as a content extraction passage and whose peripheral portion can be cut by a cutter is formed along the opening, and an axial direction is formed on the bottom surface of the thin film portion. A projecting portion extending downward is formed, and after the peripheral portion of the thin film portion is cut by a cutter except for a portion to be a connecting portion, the thin film portion is pushed into the dispensing path with the connecting portion as a fulcrum, A spout with a cap, wherein the tip of the protrusion is locked to a side surface of the extraction channel.
前記薄膜部の周縁部に、連結部と成るべき部分を除いて上面からスコアが形成されている請求項1記載のキャップ付スパウト。   The spout with a cap according to claim 1, wherein a score is formed on the peripheral edge of the thin film portion from the upper surface except for a portion to be a connecting portion. 前記突出部が、薄膜部の中央に形成されている請求項1又は2記載のキャップ付スパウト。   The spout with a cap according to claim 1 or 2, wherein the protruding portion is formed at the center of the thin film portion.
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