JP2018076084A - Cap for sealed container having cap opener - Google Patents

Cap for sealed container having cap opener Download PDF

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JP2018076084A
JP2018076084A JP2016217994A JP2016217994A JP2018076084A JP 2018076084 A JP2018076084 A JP 2018076084A JP 2016217994 A JP2016217994 A JP 2016217994A JP 2016217994 A JP2016217994 A JP 2016217994A JP 2018076084 A JP2018076084 A JP 2018076084A
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cap
sealed container
opening
cylindrical
ball
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JP6888273B2 (en
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齋藤 剛史
Takashi Saito
剛史 齋藤
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Toppan Inc
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Toppan Printing Co Ltd
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Abstract

PROBLEM TO BE SOLVED: To provide a cap for a sealed container having a cap opener in which an easily separable part is not easily broken even if the cap opener is pressed downward, and even if the easily separable part is broken and the cap opener separates from a cylinder body, the cap opener does not drop into an opening part, consequently in which a problem of leakage of a content due to drop of a ball itself leading to cap opening is not caused.SOLUTION: A cap for a sealed container having a cap opener is a cap to be covered on a sealed container with an opening part sealed with a spherical ball. In the cap, a cap opening part including a cylindrical body placed on the end part of a mouth part and an apex with a form of covering an upper end part of the cylindrical body, and comprising the apex and a cylindrical ball pressing part vertically provided at a position decentered from a lower face center of the apex, is formed integrally with the cylindrical body via an easily separable part.SELECTED DRAWING: Figure 1

Description

本発明はラムネ瓶等の硝子等の主に球形の玉による密封容器の口に装着される密封容器用キャップに関するものであり、その一部に開栓具を備え、それを筒体と分離することにより密封容器を開口する開栓具とすることができる構造の開栓具付き密封容器用キャップに関する。   TECHNICAL FIELD The present invention relates to a sealed container cap that is attached to the mouth of a sealed container mainly of a spherical ball such as a glass bottle such as a ramune bottle. The cap is provided in part of the cap and separated from a cylinder. It is related with the cap for sealed containers with an opening tool of the structure which can be set as the opening tool which opens a sealed container by this.

密封容器に装着される開栓具として、特許文献1に示したものが従来から知られている。この開栓具は、ボトルの口部上に載置される筒体の内側に、ボトルの内部に保持された栓体である玉を押し下げて開放状態とするための突起部を設け、その突起部と筒体とを加圧により破断する複数の薄肉厚のつなぎ部によって一体化している構造が知られている。   As an opening device to be mounted on a sealed container, the one shown in Patent Document 1 has been conventionally known. This opener is provided with a protrusion on the inside of a cylinder placed on the mouth of the bottle to push down a ball, which is a stopper held inside the bottle, to open it. There is known a structure in which a portion and a cylindrical body are integrated by a plurality of thin-walled connecting portions that are broken by pressurization.

上記の構成から成る開栓具は、その筒体と密封容器のキャップ外周に跨がるようにして嵌合された熱収縮性チューブの熱収縮によって形成したシュリンクフィルムにより密封容器に一体化される。   The stopper having the above structure is integrated with the sealed container by a shrink film formed by thermal contraction of the heat-shrinkable tube fitted over the cylinder and the outer periphery of the cap of the sealed container. .

しかしながら上記の従来容器には次のような問題点がある。上記つなぎ部は易分離部として働くが、シュリンクフィルムにより覆われているのみで、上部から加圧すると、そのつなぎ部が容易に破壊され、その開栓具が上下することが可能になる。そして、開栓具が下がってしまうことで、玉まで押し下げられる場合があり、開栓して内容物が漏れる等の問題点が発生していた。   However, the conventional container has the following problems. Although the said connection part works as an easy-separation part, if it pressurizes from the upper part only by being covered with the shrink film, the connection part will be destroyed easily and it will become possible for the opener to go up and down. And since the opening tool has been lowered, it may be pushed down to the ball, causing problems such as opening and leakage of the contents.

そこまで至らなくても、開栓具が下がることによりシュリンクフィルムに変形圧力が加わり破れや伸びが発生してしまい、密封性が低下する原因となる他、外観不良になってしまう。   Even if it does not reach that point, deformation pressure is applied to the shrink film due to the lowering of the stopper, which causes tearing and elongation, resulting in deterioration of sealing performance and poor appearance.

また、つなぎ部が破壊されることにより、開封済のものと区別がつきにくくなり、消費者等に不安感を与える要因となってしまう。   In addition, when the connecting portion is broken, it becomes difficult to distinguish from the opened portion, which causes a sense of anxiety to consumers and the like.

特許第3462482号公報Japanese Patent No. 3462482

本発明は、上記問題点を解決しようとするものであって、開栓具に圧力が加わったとしても、不用意に開栓具が移動したり、易分離部が破断するなどして分離することのない開栓具付き密封容器用キャップを提供することを課題としている。   The present invention is intended to solve the above-described problems, and even when pressure is applied to the opening device, the opening device is moved inadvertently or the easy separation part is broken or the like to be separated. An object of the present invention is to provide a cap for a sealed container with an opener that does not occur.

上記の課題を解決するための、本発明の請求項1に係る発明は、球形等の玉により開口部が密封されている密封容器に被せるキャップであって、口部先端に載置される筒体と、筒体の上端部を覆う形状の頂部を有し、頂部と該頂部の下面中央から偏心した位置に垂設された筒状玉押部とからなる開栓具が易分離部を介して筒体と一体に形成されてなる開栓具付き密封容器用キャップを提供するものである。   The invention according to claim 1 of the present invention for solving the above-mentioned problem is a cap that covers a sealed container whose opening is sealed by a ball such as a sphere, and is a cylinder placed on the tip of the mouth And an opening device comprising a top part having a shape covering the upper end part of the cylindrical body, and comprising a top part and a cylindrical claw part suspended vertically from the center of the bottom surface of the top part via the easy separation part The present invention provides a sealed container cap with an opener formed integrally with a cylindrical body.

本発明の請求項2に係る発明は、さらに開栓具分離用の切り欠き部を備えていることを
特徴とする請求項1記載の開栓具付き密封容器用キャップを提供するものである。
The invention according to claim 2 of the present invention provides a cap for a sealed container with an opening device according to claim 1, further comprising a notch for separating the opening device.

本発明の請求項3に係る発明は、前記筒体が易解体構造であることを特徴とする請求項1または2記載の開栓具付き密封容器用キャップを提供するものである。   The invention according to claim 3 of the present invention provides the cap for a sealed container with an opener according to claim 1 or 2, wherein the cylindrical body has an easily disassembleable structure.

本発明の請求項4に係る発明は、前記筒状玉押部の下端が密封容器の口部上端に掛かる位置に設けられていることを特徴とする請求項1から3何れか記載の開栓具付き密封容器用キャップを提供するものである。   The invention according to claim 4 of the present invention is such that the lower end of the cylindrical claw portion is provided at a position where the lower end of the cylindrical container is engaged with the upper end of the mouth of the sealed container. A cap for a sealed container with a tool is provided.

本発明の請求項5に係る発明は、前記易分離部が脆弱部からなることを特徴とする請求項1から4何れか記載の開栓具付き密封容器用キャップである。   The invention according to claim 5 of the present invention is the sealed container cap with an opener according to any one of claims 1 to 4, characterized in that the easy separation part is a weak part.

本発明に係る開栓具付き密封容器用キャップは、筒状玉押部が偏心(中心からずれた位置に形成)しているために密封容器の開口部と位置が一致することがなく、開栓具が上方から押圧されても易分離部が容易に破壊されず、もし仮に易分離部が破壊されて開栓具が筒体から分離したとしても、その開栓具が開口部に降下することがなくなる。その結果、玉自体が下がってしまい開栓して内容物が漏れたりするなどの問題が発生することはほとんどなくなった。   The cap for a sealed container with an opening device according to the present invention is not opened and does not coincide with the opening of the sealed container because the cylindrical claw portion is eccentric (formed at a position shifted from the center). Even if the stopper is pressed from above, the easy separation part is not easily destroyed, and even if the easy separation part is destroyed and the opening tool is separated from the cylinder, the opening tool falls to the opening. Nothing will happen. As a result, there was almost no problem that the ball itself dropped and opened and the contents leaked.

そこまで至らなくても、開栓具が下がることがなくなり、シュリンクフィルムに変形圧力が加わり破れや伸びが発生せず、張った状態が維持され、密封性が低下する原因とならず、外観不良ともならない。   Even if it does not reach that point, the opener will not drop, deformation pressure will be applied to the shrink film, it will not break or stretch, it will remain stretched, it will not cause a decrease in sealing performance, and the appearance will be poor It is not accompanied.

また、つなぎ部が破壊される場合が減り、開封済のものと認識されることがなくなり、使用状態において消費者に新品であるとの安心感を与えるものとなる。   In addition, the number of cases where the joint portion is broken is reduced, and it is no longer recognized that the joint has been opened, which gives the consumer a sense of security that the product is new in use.

特に筒状玉押部が密封容器の口部に掛かっていることで、その口部で開栓具が下から支持される構造となり、加圧耐性が極めて高くなり、以上の様な状況が極めて発生しにくくくなる。これにより、開栓具上のシュリンクフィルムも、開栓具を介して口部により支持されるので、変形や伸びが生じにくくなる。   In particular, since the cylindrical ball pressing part is hung on the mouth part of the sealed container, the opening part is supported from below by the mouth part, the pressure resistance is extremely high, and the above situation is extremely high. It becomes difficult to occur. Thereby, since the shrink film on the opening device is also supported by the mouth through the opening device, deformation and elongation are less likely to occur.

なお、開栓具分離用の切り欠き部を備えていると、使用時にその切り欠き部に指等を差し込んで開栓具を引き上げることで容易に易分離部を破壊でき、開栓具の筒体からの分離が容易となる。   In addition, if a notch for separating the opening device is provided, the easy-to-separate portion can be easily broken by inserting a finger or the like into the notch and pulling up the opening device during use. Separation from the body is easy.

また、筒体が易解体構造であると、開栓具を筒体から分離した後、開栓作業が容易となる。また、開栓具分離用の切り欠き部を備えていない場合であっても、筒体を解体することで容易に易分離部を破壊でき、開栓具を形成することが可能となる。   In addition, when the cylinder has an easily dismantled structure, the opening operation is facilitated after the opening tool is separated from the cylinder. Moreover, even if it is a case where it is not provided with the notch part for opening tool isolation | separation, an easy isolation | separation part can be easily destroyed by disassembling a cylinder, and it becomes possible to form an opening tool.

また、易分離部を薄肉などの脆弱部により形成することで、易分離部を開栓具と筒体の境界に一様に配置するなど、輸送中など使用前には分離しにくく、使用時には分離しやすい構造とすることが可能になる。   In addition, by forming the easy separation part with a weak part such as a thin wall, it is difficult to separate before use such as during transportation, such as evenly arranging the easy separation part at the boundary between the opener and the cylinder. It becomes possible to make the structure easy to separate.

さらに、一つの部材のみで構成することが可能であり、射出成型などの手段で一度に製造することが可能で、比較的安価に製造できることの他、一つの部材であるので取り付け工程も一度で済み、安定してキャップを作製することが可能である。   Furthermore, it can be configured with only one member, and can be manufactured at one time by means such as injection molding, and can be manufactured at a relatively low cost. It is possible to produce a cap stably.

本発明の開栓具付き密封容器用キャップの一つの実施形態を示す部分概略側面破断図である。It is a partial schematic side surface broken view which shows one Embodiment of the cap for sealed containers with an opening tool of this invention. 本発明の図1の実施形態を示す開栓具付き密封容器用キャップの概略斜視図である。It is a schematic perspective view of the cap for sealed containers with a stopper which shows embodiment of FIG. 1 of this invention. 本発明の図1の実施形態を示す開栓具付き密封容器用キャップを密封容器に設置した状態を示す部分概略側面破断図である。It is a partial schematic side surface broken view which shows the state which installed the cap for sealed containers with an opening tool which shows embodiment of FIG. 1 of this invention in the sealed container. 本発明の図1の実施形態を示す開栓具付き密封容器用キャップの開栓具が筒体と分離した状態を示す概略側面破断図である。FIG. 2 is a schematic side cutaway view showing a state in which the opening tool of the sealed container cap with the opening tool according to the embodiment of FIG. 1 of the present invention is separated from the cylindrical body. 本発明の図1の実施形態を示す開栓具付き密封容器用キャップの開栓具を用いて密封容器を開栓している状態を示す部分概略側面破断図である。It is a partial schematic side surface broken view which shows the state which is opening the sealing container using the opening tool of the sealing container cap with an opening tool which shows embodiment of FIG. 1 of this invention. 本発明の開栓具付き密封容器用キャップの他の実施形態を示す概略側面図である。It is a schematic side view which shows other embodiment of the cap for sealed containers with an opening tool of this invention. 本発明の実施形態を示す開栓具付き密封容器用キャップを密封容器に設置し、さらにシュリンクフィルムで包装した状態を示す部分概略側面破断図である。It is a partial schematic side surface broken view which shows the state which installed the cap for sealed containers with an opening tool which shows embodiment of this invention in the sealed container, and was further packaged with the shrink film.

本発明に係る開栓具付き密封容器用キャップの実施形態の一例について必要に応じて図面を援用して説明する。   An example of an embodiment of a sealed container cap with an opening device according to the present invention will be described with reference to the drawings as necessary.

本発明の開栓具付き密封容器用キャップは図1に示したように、開栓具13と筒体18とからなっており、その間には易分離部である脆弱部14が設けられ、それにより分離可能になっている。   As shown in FIG. 1, the cap for a sealed container with an opening device of the present invention includes an opening device 13 and a cylindrical body 18, and a weak portion 14, which is an easy separation portion, is provided between them. Can be separated.

また、この開栓具13は円盤状の板状の頂部11と、その下面に設けられた筒状玉押部12とで形成されている。   Further, the opening tool 13 is formed by a disk-like plate-like top portion 11 and a cylindrical claw portion 12 provided on the lower surface thereof.

筒状玉押部12は、円筒形状をしているが、その円筒形状の中心は、円盤状の板状の頂部11の中心とはずれており、偏心している。   The cylindrical ball pressing portion 12 has a cylindrical shape, and the center of the cylindrical shape is deviated from the center of the disk-shaped plate-like top portion 11 and is eccentric.

次に、筒体18は脆弱部14を介して頂部11と接続している筒上部15と、その筒上部15から湾曲して末広がりに膨らみながら広がる口部受部16と、さらにその口部受部16からさらに下方に延びる筒下部17とからなる。   Next, the cylindrical body 18 has a cylindrical upper portion 15 connected to the top portion 11 via the weakened portion 14, a mouth receiving portion 16 that is curved from the cylindrical upper portion 15 and expands toward the end, and further, the mouth receiving portion. It consists of a cylinder lower part 17 extending further downward from the part 16.

この場合、垂直(高さ)方向における筒上部15の長さと筒状玉押部12の長さはほぼ同じ長さか、若干筒状玉押部12の方が短くなっている。   In this case, the length of the cylindrical upper portion 15 and the length of the cylindrical ball pressing portion 12 in the vertical (height) direction are substantially the same length, or the cylindrical ball pressing portion 12 is slightly shorter.

筒上部15はこの図では下方にいくほど若干広がっているが、その必要性は必ずしもない。また、筒下部17はほぼ径の均一な円筒状だが、後述する口部の形状に合致するものであればどのような形状でも構わない。   Although the upper part 15 of the cylinder 15 slightly expands downward in this figure, it is not always necessary. The cylindrical lower portion 17 is a cylindrical shape having a substantially uniform diameter, but may have any shape as long as it matches the shape of the mouth portion described later.

脆弱部14は、開栓具13や筒体18より強度が弱くなっており、力を加えることにより開栓具13と筒体18が分離できるようになっている。具体的には、開栓具13や筒体18より厚さが薄くなっており、上面は開栓具13や筒体18と同じく平坦だが、底面が切り欠かれた構造になっている。切り欠きは、この図1の場合はV字だが、それに限らず凹状やその他の形状でも構わない。   The weakened part 14 is weaker than the opening tool 13 and the cylinder 18, and the opening tool 13 and the cylinder 18 can be separated by applying a force. Specifically, the thickness is thinner than the opening tool 13 and the cylindrical body 18, and the top surface is the same as the opening tool 13 and the cylindrical body 18, but the bottom surface is cut away. The notch is V-shaped in the case of FIG. 1, but is not limited thereto, and may be a concave shape or other shapes.

脆弱部14は、ミシン目のように間歇的に繋がっている形状でも良いが、図1の様に単に厚さが薄くなっている溝状の構造でも構わないが、その強度や構造は、分離のしやすさと輸送時等の不意な力が加わった場合の意図しない分離の可能性に基づき適宜選択すればよい。また、強度等他の要件の関係上、必要に応じてバンド剥き構造を取ることも可能である。   The fragile portion 14 may have a shape that is intermittently connected like a perforation, or may have a groove-like structure that is simply thin as shown in FIG. 1, but its strength and structure are separated. It may be selected as appropriate based on the ease of handling and the possibility of unintentional separation when unexpected force is applied during transportation. Moreover, it is also possible to take a band peeling structure if necessary due to other requirements such as strength.

なお、脆弱部の強度は見た目を重視した場合は輸送時や接触時の破断を考慮してある程度の強度が必要だが、それを要求しない場合で、後述の様にシュリンクフィルム等の外包装が存在する場合、シュリンクフィルムを外した時点、もしくはその前から切れていても良い場合は、極めて脆弱な脆弱部とすることも可能であり、この場合、開栓具の分離が極めて容易である。   In addition, the strength of the fragile part needs to have a certain degree of strength in consideration of breakage at the time of transportation or contact when the appearance is emphasized, but when it is not required, there is an outer packaging such as shrink film as described later In this case, when the shrink film may be removed or before the shrink film may be cut off, it is possible to make it an extremely fragile fragile portion, and in this case, it is very easy to separate the opening device.

また、脆弱部の位置は、この図では密封容器天面の縁から筒体の厚みだけ内側に環状に設けてあるが、このような位置、形状とするのは天面中央部のみに圧力が加わる可能性が低く、輸送時等の実情を考慮すれば、端部から圧がかかる場合が多いので、端部に圧がかかっても脆弱部に力が加わる可能性が低いためと、開栓時に押しやすい頂部の構造とするためにこの位置形状としたが、そのようなことを想定する必要のない場合や、分離のしやすさが優先する場合、天面より下に位置する筒体の側面に環状に設けたり、その他の形状位置とすることを排除するものではない。   Further, in this figure, the position of the fragile portion is annularly provided on the inner side from the edge of the top surface of the sealed container by the thickness of the cylindrical body. If there is a low possibility that it will be applied and pressure is applied from the end, considering the actual situation during transportation, etc., it is unlikely that force will be applied to the fragile part even if pressure is applied to the end. Although this position shape is used to make the top structure easy to push sometimes, if it is not necessary to assume such a case, or priority is given to ease of separation, the cylindrical body located below the top surface It is not excluded to provide an annular shape on the side surface or other shape positions.

また、脆弱部を広く取り、筒状玉押部やその上部の頂部以外に広く設けることも可能であり、このようにすれば、開栓具の分離が単に可能であるというだけではなく、使用樹脂量を削減させることも可能である。これにより、安価に提供できるだけではなく、環境にやさしくすることも可能になる。   It is also possible to take a wide fragile part and provide it widely other than the cylindrical claw part or the top part of the upper part thereof. In this way, it is not only possible to separate the opening device but also to use it. It is also possible to reduce the amount of resin. As a result, not only can it be provided at low cost, but it can also be made environmentally friendly.

このような開栓具付き密封容器用キャップの斜視図が図2であり、筒状玉押部12の偏心している方向とは直交する方向から眺めているものである。すなわち、筒上部から筒下部にかけて切り欠き部19が設けられており、その切り欠き部19は少なくとも指が入る程度以上の大きさで形成され、その切り欠き部19から筒状玉押部12が確認できるようになっている。   FIG. 2 is a perspective view of such a sealed container cap with an opening tool, as viewed from a direction orthogonal to the direction in which the cylindrical ball pressing portion 12 is eccentric. That is, a notch 19 is provided from the upper part of the cylinder to the lower part of the cylinder, and the notch 19 is formed to have a size that is at least larger than a finger can be inserted. It can be confirmed.

図3は、このような開栓具付き密封容器用キャップを密封容器21に取り付けた状態を示す断面図である。ここで密封容器の上部で開口部23が玉24によりそれより下部が密封されている部分より上を破断して示す。   FIG. 3 is a cross-sectional view showing a state where such a sealed container cap with an opening tool is attached to the sealed container 21. Here, the upper part of the sealed container is shown with the opening 23 broken above the part sealed by the ball 24 at the lower part.

なお、このような密封容器21においては玉24を保持するための口元キャップ(図示せず)が口部先端22に取り付けられている場合があるが、その場合はその口元キャップに本件開栓具付き密封容器用キャップを被せる形で取り付けることができる。   In such a sealed container 21, a mouth cap (not shown) for holding the ball 24 may be attached to the mouth end 22. In this case, the opening cap is attached to the mouth cap. It can be attached in the form of covering with a cap for a sealed container.

玉24は密封容器21の開口部23の中に存在し、開口部23の通常の内径より少し広くなっているものであり、玉24が存在する部分で開口部23を押し拡げるようにしていることで密封容器21の内部を密封している。また、上述したような口元キャップ内にて保持され、かつ同様に内部を密封している場合もある。   The ball 24 is present in the opening 23 of the sealed container 21 and is a little wider than the normal inner diameter of the opening 23 so that the opening 23 is expanded at the portion where the ball 24 is present. Thus, the inside of the sealed container 21 is sealed. Moreover, it may be held in the mouth cap as described above, and the inside may be similarly sealed.

また、この口部先端22の上部外側は口部受部16を受ける形状になっており、さらに、筒下部17が口部先端22の外周側面側を覆う様に収まる構造となっている。この口部受部16および筒下部17により密封容器用キャップを密封容器21に安定的に載置することができる。また、筒状玉押部12の中心位置は開口部23とずれており、少なくともその一部が口部先端22の上部に位置するように形成されている。   In addition, the upper outer side of the mouth tip 22 is shaped to receive the mouth receiver 16, and the tubular lower portion 17 is configured to fit so as to cover the outer peripheral side of the mouth tip 22. With this mouth receiving part 16 and the cylinder lower part 17, the sealed container cap can be stably placed on the sealed container 21. Further, the center position of the cylindrical ball pressing portion 12 is shifted from the opening portion 23, and at least a part of the cylindrical ball pressing portion 12 is formed at the upper portion of the mouth tip 22.

このように筒状玉押部12の中心位置が開口部23とずれていることにより、輸送時や誤って上部から力が加わったとしても、一部が口部の上に載っているために玉が押し下げられ、不用意に開栓することがなく、一部が口部の上に載っているために脆弱部で使用前に切れて分離等するおそれもない。   Since the center position of the cylindrical ball pressing portion 12 is shifted from the opening 23 in this way, even if a force is applied from the upper part during transportation or by mistake, a part of the cylindrical ball pressing portion 12 is placed on the mouth portion. Since the ball is pushed down and does not open unintentionally, and a part of the ball rests on the mouth, there is no possibility that the weak part will be cut before use and separated.

図4は、密封容器用キャップの脆弱部で切断した開栓具13であり、円盤状の頂部11とそれに接続した筒状玉押部12からなっている。   FIG. 4 shows an opener 13 cut at the weakened portion of the cap for the sealed container, and includes a disc-shaped top portion 11 and a cylindrical claw portion 12 connected thereto.

その上で図5の様に筒状玉押部12を開口部23内に挿入し、上から押し込むことで開栓される。この場合、開口部23上端から玉24上部までの距離は、筒状玉押部12の長さより短くなっている。この図5の状態は既に筒状玉押部12が玉24に接触している状態になっている。   Then, as shown in FIG. 5, the cylindrical ball pressing portion 12 is inserted into the opening portion 23 and is opened by pushing from above. In this case, the distance from the upper end of the opening 23 to the upper part of the ball 24 is shorter than the length of the cylindrical ball pressing unit 12. The state shown in FIG. 5 is already in a state where the cylindrical ball pressing portion 12 is in contact with the ball 24.

この状態より頂部11を上から叩くなどして加圧することにより筒状玉押部12により玉24を押し下げ、開口部23から玉24を除去することにより開栓を行う。なお、この打開栓作用の障害にならなければ、筒体と完全に分離せず、一部が繋がった状態にすることも可能であり、この場合、開栓具と筒体が一体のままなのでゴミの発生抑制に効果がある形状となる。   From this state, the top part 11 is pressed by hitting it from above, and the ball 24 is pushed down by the cylindrical ball pushing part 12, and the ball 24 is removed from the opening part 23 to open the plug. In addition, if it does not become an obstacle of this opening and closing action, it is possible not to completely separate from the cylinder but also to be in a partially connected state. In this case, since the opening device and the cylinder remain integral. The shape is effective in suppressing the generation of dust.

なお、図2のように切り欠き部19に指等を差し入れ、開栓具13を筒体18から分離する方法の他、図6の様に筒体18にスリット31等を設け、剥くように開栓具13から筒体18を脆弱部14で分離し、開栓具13を独立する方法でも構わない。   In addition to the method of inserting a finger or the like into the notch 19 as shown in FIG. 2 and separating the opening device 13 from the cylinder 18, a slit 31 or the like is provided in the cylinder 18 as shown in FIG. A method may be used in which the tubular body 18 is separated from the opening device 13 by the fragile portion 14 and the opening device 13 is made independent.

なお、筒体18には切り欠き部19やスリット31その他の開栓具13の分離のための分離手段が開栓具付き密封容器用キャップの密閉適性に反する場合があり、その場合には衛生的観点からも図7の様に、最外層に開栓具付き密封容器用キャップを含む密封容器上部全体をシュリンクフィルム41等の最外層被覆手段を設けるのがこのましい。このようなシュリンクフィルム41が密封容器上部に開栓具付き密封容器用キャップを固定する効果がある場合は、開栓具付き密封容器用キャップに密封容器への固定手段を設ける必要はない。   In the cylindrical body 18, the separating means for separating the notch 19, the slit 31, and the other opening device 13 may be contrary to the sealing suitability of the sealing container cap with the opening device. From the point of view, it is preferable to provide the outermost layer covering means such as the shrink film 41 on the entire upper part of the sealed container including the cap for the sealed container with a stopper as the outermost layer as shown in FIG. When such a shrink film 41 has an effect of fixing the cap for a sealed container with a stopper on the upper part of the sealed container, it is not necessary to provide a fixing means for the sealed container on the cap for the sealed container with a stopper.

また、図7の断面図では、開栓具13の上部まで完全にシュリンクフィルム41が覆っている状態になっているが、頂部に非被覆部を設けてもよいものであって、この場合、筒状のフィルムを加熱することによりシュリンクしてシュリンクフィルム41とすることにより容易に包装できる。もちろん、シュリンクフィルム以外の紙や樹脂シートで上面で覆い密封容器首部で紐等で結わえるなどの他の包装手段もしくは開栓具付き密封容器用キャップを用いるものであっても構わない。   In addition, in the cross-sectional view of FIG. 7, the shrink film 41 is completely covered up to the upper part of the opening tool 13, but an uncovered portion may be provided on the top, and in this case, The tubular film can be easily shrunk by heating to form the shrink film 41 so that packaging can be easily performed. Of course, other wrapping means such as covering with an upper surface with paper or a resin sheet other than the shrink film and tying with a string or the like at the neck of the sealed container, or a sealed container cap with an opener may be used.

このような開栓具付き密封容器用キャップの材質については、打開栓時において筒状玉押部が座屈せず玉を完全に押し下げするできる程度の強度を持つことが必要である一方、脆弱部において分離することが可能な程度の強度であることが求められるため、材料を適宜選択する必要がある。この場合、その強度は脆弱部が断続状接続部であるか、溝状接続部であるかによっても左右されるし、口部の柔軟性によっても適宜選択できる樹脂の種類が変わってくる。例えば、成型材料として低密度ポリエチレン、直鎖低密度ポリエチレン、中密度ポリエチレン、高密度ポリエチレン、ポリプロピレン、エチレンプロピレン共重合体などの樹脂単体あるいはそれらの混合樹脂などを用いることが想定される。   Regarding the material of such a cap for a sealed container with an opening tool, it is necessary that the cylindrical bead does not buckle at the time of opening and opening, but has a strength that can completely push down the ball. Therefore, it is necessary to select a material as appropriate. In this case, the strength depends on whether the fragile portion is an intermittent connection portion or a groove-like connection portion, and the type of resin that can be appropriately selected varies depending on the flexibility of the mouth portion. For example, it is assumed that a single resin such as low density polyethylene, linear low density polyethylene, medium density polyethylene, high density polyethylene, polypropylene, ethylene propylene copolymer, or a mixed resin thereof is used as a molding material.

このような開栓具付き密封容器用キャップは例えば射出成型などにより一度に成型することが可能である。   Such a cap for a sealed container with an opening tool can be molded at once, for example, by injection molding.

本発明の開栓具付き密封容器用キャップは玉で封止してある瓶の口元を密封するとともに開栓することも出来るキャップとしてさまざまな分野で利用できる。   The cap for a sealed container with an opening tool of the present invention can be used in various fields as a cap that can seal and seal the mouth of a bottle sealed with a ball.

11…頂部
12…筒状玉押部
13…開栓具
14…脆弱部
15…筒上部
16…口部受部
17…筒下部
18…筒体
19…切り欠き部
21…密封容器
22…口部先端
23…開口部
24…玉
31…スリット
41…シュリンクフィルム
DESCRIPTION OF SYMBOLS 11 ... Top part 12 ... Cylindrical ball pressing part 13 ... Opening tool 14 ... Fragile part 15 ... Cylinder upper part 16 ... Mouth part receiving part 17 ... Cylinder lower part 18 ... Cylindrical body 19 ... Notch part 21 ... Sealing container 22 ... Mouth part Tip 23 ... Opening 24 ... Ball 31 ... Slit 41 ... Shrink film

Claims (5)

球形等の玉により開口部が密封されている密封容器に被せるキャップであって、口部先端に載置される筒体と、筒体の上端部を覆う形状の頂部を有し、頂部と該頂部の下面中央から偏心した位置に垂設された筒状玉押部とからなる開栓具が易分離部を介して筒体と一体に形成されてなる開栓具付き密封容器用キャップ。   A cap that covers a sealed container whose opening is sealed with a ball such as a sphere, and has a cylindrical body that is placed on the tip of the mouth, and a top that covers the upper end of the cylindrical body. A cap for a sealed container with an opening device, in which an opening device comprising a cylindrical ball-pressing portion suspended vertically from the center of the bottom surface of the top portion is formed integrally with the cylinder body via an easy separation portion. さらに開栓具分離用の切り欠き部を備えていることを特徴とする請求項1記載の開栓具付き密封容器用キャップ。   The cap for a sealed container with an opening device according to claim 1, further comprising a notch for separating the opening device. 前記筒体が易解体構造であることを特徴とする請求項1または2記載の開栓具付き密封容器用キャップ。   The cap for a sealed container with an opener according to claim 1 or 2, wherein the cylindrical body has an easily dismantled structure. 前記筒状玉押部の下端が密封容器の口部上端に掛かる位置に設けられていることを特徴とする請求項1から3何れか記載の開栓具付き密封容器用キャップ。   4. The sealed container cap with an opener according to claim 1, wherein a lower end of the cylindrical ball pressing portion is provided at a position where the lower end of the cylindrical ball pressing portion is engaged with an upper end of the mouth of the sealed container. 前記易分離部が脆弱部からなることを特徴とする請求項1から4何れか記載の開栓具付き密封容器用キャップ。   5. The cap for a sealed container with an opener according to any one of claims 1 to 4, wherein the easily separating portion is a fragile portion.
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