JP6873538B2 - Unplug cap - Google Patents

Unplug cap Download PDF

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JP6873538B2
JP6873538B2 JP2016232650A JP2016232650A JP6873538B2 JP 6873538 B2 JP6873538 B2 JP 6873538B2 JP 2016232650 A JP2016232650 A JP 2016232650A JP 2016232650 A JP2016232650 A JP 2016232650A JP 6873538 B2 JP6873538 B2 JP 6873538B2
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thin
walled
cap
partition wall
strut
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JP2018090258A (en
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山本　学
学 山本
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Yoshino Kogyosho Co Ltd
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Yoshino Kogyosho Co Ltd
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Description

本発明は、プルリングを引っ張り上げることにより、隔壁の除去部を抜栓して注出口を開口する抜栓キャップに関するものであり、とくに、抜栓時に内圧変化により内容液が噴出するのを防止する抜栓キャップに関する。 The present invention relates to an unplugging cap that unplugs the removing portion of the partition wall and opens the spout by pulling up the pull ring, and particularly relates to a unplugging cap that prevents the content liquid from being ejected due to a change in internal pressure at the time of unplugging. ..

液体を収容する容器に取り付けられ、注出筒内の隔壁の除去部をプルリングを引っ張り上げることにより抜栓して注出口を開口する抜栓キャップはよく知られており、内容液が高温充填されている場合、キャップを装着して密封後に、内容液が冷えて容器内が減圧状態となり、内容液の液面が上昇しているため、プルリングを引っ張り上げて抜栓する際に、抜栓による急激な圧力変化や、除去部が引きちぎられる衝撃により液面が波立ち、開口部から内容液が噴き出してしまい、容器外を汚してしまうことがあった。
このような内容液の噴き出しを防止するために、キャップ本体の注出筒より内側の隔壁に貫通孔が設けられ、上蓋に貫通孔を封鎖する封鎖部材が設けられたヒンジキャップは従来から知られている（例えば、特許文献１参照）。 A well-known unplugging cap that is attached to a container that holds liquid and opens the spout by pulling up the pull ring at the removal part of the partition wall in the spouting cylinder is well known and is filled with the content liquid at a high temperature. In this case, after the cap is attached and sealed, the content liquid cools and the inside of the container becomes decompressed, and the liquid level of the content liquid rises. In addition, the liquid level may undulate due to the impact of the removal part being torn off, and the content liquid may be ejected from the opening, which may contaminate the outside of the container.
In order to prevent such ejection of the content liquid, a hinge cap in which a through hole is provided in the partition wall inside the pouring cylinder of the cap body and a sealing member for sealing the through hole is provided in the upper lid has been conventionally known. (See, for example, Patent Document 1).

特開２００６−２０６１４４号公報Japanese Unexamined Patent Publication No. 2006-206144

上記特許文献１記載のヒンジキャップは、上蓋を開ける際に、キャップ本体の貫通孔から封鎖部材が外れ、貫通孔から容器内に空気を導入し、抜栓時の内容液の噴き出しを防止するものであるが、何かの拍子に上蓋が開き、封鎖部材が外れた場合に、貫通孔から内容液が漏れるおそれがあり、また、そうでなくても、密封性の必要な食品などの場合には、封鎖部材で封鎖されているとはいえ、隔壁に貫通孔があるために密封性において十分でないという問題があった。 In the hinge cap described in Patent Document 1, when the upper lid is opened, the sealing member is removed from the through hole of the cap body, air is introduced into the container through the through hole, and the content liquid is prevented from being ejected at the time of unplugging. However, if the upper lid opens at some rate and the sealing member comes off, the content liquid may leak from the through hole, and even if it is not, in the case of foods that require sealing. Although it is sealed with a sealing member, there is a problem that the sealing property is not sufficient because the partition wall has a through hole.

本発明は、上記問題を解決することを課題とし、密封性が高く、容器内が減圧状態であっても、隔壁から除去部を抜栓する時に、内容液が揺れて、容器から噴き出し、容器外を汚してしまうのを防止することができる抜栓キャップを提供することを目的とする。 An object of the present invention is to solve the above problems, and even if the inside of the container is in a depressurized state, the content liquid shakes when the removal portion is unplugged from the partition wall, and the content liquid is ejected from the container to the outside of the container. It is an object of the present invention to provide an unplugging cap that can prevent the container from becoming dirty.

本発明は、上記の問題を解決するため、抜栓キャップとして、容器本体の口部に装着されるキャップ本体と上蓋とからなる抜栓キャップにおいて、キャップ本体は、容器本体の口部を密封する隔壁と、隔壁の周縁に立設される注出筒と、隔壁に破断可能な薄肉弱化部によって画成される除去部と、除去部の上面に設けられるプルリングとを備え、プルリングは、除去部の上面端部に立設される支柱部と、支柱部の上端部から連設されるリング部とを有し、隔壁には、支柱部近傍の薄肉弱化部の破断より先に破断される薄肉部が、支柱部から離れた位置の薄肉弱化部に連結して設けられ、薄肉部は、支柱部と隔壁の中心とを結ぶ中心線に対し、対向する位置に２箇所設けられるとともに、支柱部からみて対向する左右の２箇所のリング部の下部から伸びる柱状部にそれぞれ連結されていることを特徴とする構成を採用する。
また、本発明は、上記の問題を解決するため、抜栓キャップとして、容器本体の口部に装着されるキャップ本体と上蓋とからなる抜栓キャップにおいて、キャップ本体は、容器本体の口部を密封する隔壁と、隔壁の周縁に立設される注出筒と、隔壁に破断可能な薄肉弱化部によって画成される除去部と、除去部の上面に設けられるプルリングとを備え、プルリングは、除去部の上面端部に立設される支柱部と、支柱部の上端部から連設されるリング部とを有し、隔壁には、支柱部近傍の薄肉弱化部の破断より先に破断される薄肉部が、支柱部から離れた位置の薄肉弱化部の内側に離れて設けられ、薄肉部は、支柱部と隔壁の中心とを結ぶ中心線に対し、対向する位置に２箇所設けられるとともに、支柱部からみて対向する左右の２箇所のリング部の下部から伸びる柱状部にそれぞれ連結されていることを特徴とする構成を採用する。 In order to solve the above problems, the present invention has a plug-out cap composed of a cap body and an upper lid attached to the mouth of the container body as a plug-out cap, in which the cap body is a partition wall that seals the mouth of the container body. It is provided with a pouring cylinder erected on the peripheral edge of the partition wall, a removal portion defined by a thin-walled weakened portion that can be broken on the partition wall, and a pull ring provided on the upper surface of the removal portion. The pull ring is the upper surface of the removal portion. It has a strut portion that is erected at the end and a ring portion that is continuously connected from the upper end of the strut portion, and the partition wall has a thin-walled portion that is broken before the thin-walled weakened portion near the strut portion is broken. , The thin-walled portion is provided in connection with the thin-walled weakened portion at a position away from the strut portion, and the thin-walled portion is provided at two positions opposite to the center line connecting the strut portion and the center of the partition wall, and when viewed from the strut portion. it adopts a structure characterized by being respectively connected to the columnar portion Ru extending from a lower portion of the ring portion of the two positions of the left and right opposite.
Further, in order to solve the above-mentioned problems, the present invention has a plug-out cap composed of a cap body and an upper lid which are attached to the mouth of the container body as a plug-out cap, and the cap body seals the mouth of the container body. It is provided with a partition wall, an injection cylinder erected on the peripheral edge of the partition wall, a removal portion defined by a thin-walled weakened portion that can be broken on the partition wall, and a pull ring provided on the upper surface of the removal portion. The pull ring is a removal portion. It has a strut portion that is erected at the upper end of the strut and a ring portion that is continuously provided from the upper end of the strut portion, and the partition wall has a thin wall that is broken before the thin wall weakening portion near the strut portion is broken. The portions are provided apart from the inside of the thin-walled weakened portion at a position away from the strut portion, and the thin-walled portions are provided at two positions opposite to the center line connecting the strut portion and the center of the partition wall, and the strut. it adopts a configuration, wherein from a lower portion of the ring portion of the two positions of the left and right opposed viewed from section are respectively connected to the columnar portion Ru elongation.

本発明の抜栓キャップは、キャップ本体の隔壁に、プルリングの柱状部につながる小さな穴開け用の薄肉部が設けられているので、抜栓時に、プルリングを持ち上げた際に、まず薄肉部が破断されて小さな穴を開け、空気が取り込まれ、内圧が安定するため、続いて薄肉弱化部が破断され、除去部が取り除かれて大きな開口となった場合にも、急激に空気が入ることがなく、内容液が外に噴き出すことがない。
また、薄肉部が、支柱部から離れた対向する位置に２箇所に設けられるとともに、支柱部から離れた対向する２箇所のリング部の下部から連設される柱状部とつながるようにすることによって、プルリングの持ち上げが容易となり、均等に弱い力で薄肉部を破断することができ、空気の取り込みのための薄肉部による穴も１箇所設ける場合よりも小さなものとすることができる。 In the unplugging cap of the present invention, the partition wall of the cap body is provided with a thin-walled portion for making a small hole connected to the columnar portion of the pull ring. Therefore, when the pull ring is lifted at the time of unplugging, the thin-walled portion is first broken. Since a small hole is made and air is taken in and the internal pressure is stabilized, even if the thin-walled weakened part is subsequently broken and the removed part is removed to make a large opening, air does not suddenly enter and the contents The liquid does not spurt out.
Further, the thin-walled portions are provided at two positions facing each other away from the strut portion, and are connected to the columnar portions connected from the lower part of the two facing ring portions away from the strut portion. , The pull ring can be easily lifted, the thin-walled portion can be broken evenly with a weak force, and the hole by the thin-walled portion for taking in air can be made smaller than the case where one hole is provided.

本発明の実施例１の抜栓キャップを示す図であり、（ａ）は側面断面図、（ｂ）は正面断面図である。It is a figure which shows the unplugging cap of Example 1 of this invention, (a) is a side sectional view, (b) is a front sectional view. 本発明の実施例１の抜栓キャップを示す図であり、（ａ）は開蓋状態の上面図、（ｂ）は閉蓋状態の下面図である。It is a figure which shows the unplugging cap of Example 1 of this invention, (a) is the top view of the lid open state, (b) is the bottom view of the lid closed state. （ａ）は図１（ａ）のａの要部拡大図、（ｂ）は図１（ｂ）のｂの要部拡大図、（ｃ）は図２（ｂ）のｃの要部拡大図である。(A) is an enlarged view of a main part of FIG. 1 (a), (b) is an enlarged view of a main part of b of FIG. 1 (b), and (c) is an enlarged view of a main part of c of FIG. 2 (b). Is. 本発明の実施例１の抜栓キャップにおいて、開蓋状態でプルリングを少し引っ張り上げて薄肉部を破断した状態を示す側面断面図である。FIG. 5 is a side sectional view showing a state in which the pull ring is slightly pulled up to break the thin portion in the unplugging cap according to the first embodiment of the present invention. 図４の状態のときの（ａ）は図１（ａ）のａの要部拡大図、（ｂ）は図１（ｂ）のｂの要部拡大図、（ｃ）は図２（ｂ）のｃの要部拡大図である。In the state of FIG. 4, (a) is an enlarged view of the main part of a in FIG. 1 (a), (b) is an enlarged view of the main part of b in FIG. 1 (b), and (c) is an enlarged view of the main part in FIG. 2 (b). It is an enlarged view of the main part of c. 本発明の実施例２の抜栓キャップを示す図であり、（ａ）は側面断面図、（ｂ）は正面断面図である。It is a figure which shows the unplugging cap of Example 2 of this invention, (a) is a side sectional view, (b) is a front sectional view. 本発明の実施例２の抜栓キャップを示す図であり、（ａ）は開蓋状態の上面図、（ｂ）は閉蓋状態の下面図である。It is a figure which shows the unplugging cap of Example 2 of this invention, (a) is the top view of the lid open state, (b) is the bottom view of the lid closed state. （ａ）は図６（ａ）のｄの要部拡大図、（ｂ）は図６（ｂ）のｅの要部拡大図、（ｃ）は図７（ｂ）のｆの要部拡大図である。(A) is an enlarged view of the main part of d in FIG. 6 (a), (b) is an enlarged view of the main part of e in FIG. 6 (b), and (c) is an enlarged view of the main part of f in FIG. 7 (b). Is. 本発明の実施例２の抜栓キャップにおいて、開蓋状態でプルリングを少し引っ張り上げて薄肉部を破断したときの（ａ）は図６（ａ）のｄの要部拡大図、（ｂ）は図６（ｂ）のｅの要部拡大図、（ｃ）は図７（ｂ）のｆの要部拡大図である。In the unplugging cap of the second embodiment of the present invention, when the pull ring is pulled up a little in the open state to break the thin-walled portion, (a) is an enlarged view of the main part of d in FIG. 6 (a), and (b) is a diagram. 6 (b) is an enlarged view of the main part of e, and (c) is an enlarged view of the main part of f in FIG. 7 (b).

次に、本発明の抜栓キャップをヒンジキャップとして具体化した実施形態について、以下の実施例に示した図面を参照して説明する。 Next, an embodiment in which the unplugging cap of the present invention is embodied as a hinge cap will be described with reference to the drawings shown in the following examples.

図１、２および４において、Ａは容器本体Ｄに装着されるキャップ本体、Ｂはキャップ本体ＡにヒンジＣを介して一体成形される上蓋である。
容器本体Ｄの口部１の外周には、係合突条２が設けられている。 In FIGS. 1, 2 and 4, A is a cap body attached to the container body D, and B is an upper lid integrally molded with the cap body A via a hinge C.
Engagement ridges 2 are provided on the outer periphery of the mouth portion 1 of the container body D.

図１に示すように、キャップ本体Ａは、容器本体Ｄの口部１を密封する隔壁３と、隔壁３の周縁に立設される注出筒４と、注出筒４の下端外周からリング状底壁５を介して連設される嵌合筒部６と、嵌合筒部６の外周に一定の間隙を有して連設され、上端外周にヒンジＣを介して上蓋Ｂを連設する外周筒部７と、隔壁３内に設けられた抜栓するためのプルリング８から構成されている。 As shown in FIG. 1, the cap body A includes a partition wall 3 that seals the mouth 1 of the container body D, a dispensing cylinder 4 that stands on the peripheral edge of the partition wall 3, and a ring from the outer periphery of the lower end of the dispensing cylinder 4. The fitting cylinder 6 connected via the bottom wall 5 and the upper lid B are connected to the outer periphery of the fitting cylinder 6 with a certain gap, and the upper lid B is connected to the outer periphery of the upper end via a hinge C. It is composed of an outer peripheral cylinder portion 7 to be formed and a pull ring 8 provided in the partition wall 3 for unplugging.

隔壁３には、使用時に注出口を開口するために破断可能な薄肉弱化部１０によって画成される除去部１１が設けられている。
プルリング８は、除去部１１の上面に設けられ、ヒンジＣ側端部に立設される支柱部１３と、支柱部１３の上端部から連設されるリング部１４とから構成されている。 The partition wall 3 is provided with a removing portion 11 defined by a thin-walled weakening portion 10 that can be broken to open the spout during use.
The pull ring 8 is provided on the upper surface of the removing portion 11, and is composed of a strut portion 13 that is erected at the end on the hinge C side and a ring portion 14 that is continuously provided from the upper end of the strut portion 13.

隔壁３には、薄肉弱化部１０の他に、小さな穴開け用の薄肉部１２が設けられ、図３に示すように、薄肉部１２とプルリング８とは、リング部１４の下部から連設される柱状部１５を介してつながっている。
柱状部１５は、リング部１４に近い部分ほど肉厚であり、薄肉部１２に向けて細くなっている形状を有している。
本実施例においては、薄肉部１２は、隔壁３の中心位置から支柱部１３からみて左右の対向する２箇所の薄肉弱化部１０の外側に連結して設けられている。
また、柱状部１５は、支柱部１３からみて、対向する左右の２箇所のリング部１４の下部から伸びてそれぞれ薄肉部１２とつながっている。 In addition to the thin-walled weakening portion 10, the partition wall 3 is provided with a thin-walled portion 12 for making small holes. As shown in FIG. 3, the thin-walled portion 12 and the pull ring 8 are continuously provided from the lower part of the ring portion 14. It is connected via a columnar portion 15.
The columnar portion 15 has a shape in which the portion closer to the ring portion 14 is thicker and becomes thinner toward the thin portion 12.
In this embodiment, the thin-walled portion 12 is provided so as to be connected to the outside of two thin-walled weakened portions 10 facing each other on the left and right sides from the center position of the partition wall 3 as viewed from the support column portion 13.
Further, the columnar portion 15 extends from the lower part of the two ring portions 14 on the left and right sides facing each other when viewed from the strut portion 13, and is connected to the thin-walled portion 12, respectively.

なお、薄肉部１２は、隔壁３内の支柱部１３から離れた位置に設けられ、支柱部１３近傍の薄肉弱化部１０の破断より先に破断する位置であれば１箇所でも２箇所でもよく、たとえば隔壁の中央位置に薄肉部が１箇所設けられる場合には、プルリングの支柱部からみて対向する左右の２箇所のリング部の下部からＶ字状に柱状部が伸びて薄肉部で一体化してつなげてもよく、また、支柱部と反対側のリング部の下部から一つの柱状部を伸ばして薄肉部につなげてもよい。
また、薄肉部は薄肉弱化部と重なる位置に形成されるものであってもよい。 The thin-walled portion 12 may be provided at a position away from the support column 13 in the partition wall 3, and may be at one or two positions as long as it breaks before the breakage of the thin-walled weakened portion 10 in the vicinity of the support column 13. For example, when one thin-walled portion is provided at the center of the partition wall, a V-shaped columnar portion extends from the lower part of the two left and right ring portions facing each other when viewed from the support column of the pull ring and is integrated with the thin-walled portion. It may be connected, or one columnar portion may be extended from the lower part of the ring portion on the opposite side of the strut portion and connected to the thin-walled portion.
Further, the thin-walled portion may be formed at a position overlapping the thin-walled weakened portion.

注出筒４は、上部に、先端に向かって外方にラッパ状に湾曲するとともに薄肉となるリップ状に形成される湾曲部１６が形成され、湾曲部１６のヒンジＣ側内周面には、後述する上蓋Ｂの舌片４１の係止凹部４５および下係止段部４４と係止する係止先端面１７が形成されている。 The injection cylinder 4 is formed with a curved portion 16 formed in a trumpet shape outward toward the tip and a lip shape that becomes thin, and is formed on the inner peripheral surface of the curved portion 16 on the hinge C side. A locking tip surface 17 for locking with the locking recess 45 of the tongue piece 41 of the upper lid B and the lower locking step 44, which will be described later, is formed.

嵌合筒部６は、内周側にリング状底壁５の外周縁と接続する内筒２０と、外周側に外筒２１とを備え、内筒２０と外筒２１は、上部で環状の蓋係合部２２により連設され、蓋係合部２２の上部には、外方に突出する環状の膨出部２３が設けられている。
外筒２１の内周には、口部１の外周に設けられる係合突条２と係合する係止部２４が突設されており、嵌合筒部６を打栓することにより容器本体Ｄの口部１に嵌合し、内筒２０外周と外筒２１内周とにより口部１を挟持するとともに、口部１の係合突条２と外筒２１の係止部２４とが係合して、キャップ本体Ａが容器本体Ｄの口部１に嵌着される。 The fitting cylinder portion 6 includes an inner cylinder 20 connected to the outer peripheral edge of the ring-shaped bottom wall 5 on the inner peripheral side and an outer cylinder 21 on the outer peripheral side, and the inner cylinder 20 and the outer cylinder 21 are annular at the upper part. It is continuously provided by the lid engaging portion 22, and an annular bulging portion 23 projecting outward is provided on the upper portion of the lid engaging portion 22.
A locking portion 24 that engages with the engaging ridge 2 provided on the outer periphery of the mouth portion 1 is projected on the inner circumference of the outer cylinder 21, and the container main body is formed by tapping the fitting cylinder portion 6. It is fitted to the mouth portion 1 of D, the mouth portion 1 is sandwiched between the outer circumference of the inner cylinder 20 and the inner circumference of the outer cylinder 21, and the engaging ridge 2 of the mouth portion 1 and the locking portion 24 of the outer cylinder 21 are engaged. Engagement, the cap body A is fitted to the mouth 1 of the container body D.

嵌合筒部６および外周筒部７には、容器の使用後に容器本体Ｄの口部１からキャップを分離して廃棄するための分別機構が設けられている。
該分別機構として、外筒２１の下端部外周と外周筒部７の下端部内周は、ヒンジＣと反対側の位置に所定円弧範囲にわたって設けられる破断不能な連結部２５と、該円弧範囲以外のヒンジＣ側の円弧範囲に間隔をおいて複数配設される破断可能な弱化部２６とを介して連設されている。 The fitting cylinder portion 6 and the outer peripheral cylinder portion 7 are provided with a sorting mechanism for separating the cap from the mouth portion 1 of the container body D and discarding it after the container is used.
As the sorting mechanism, the outer circumference of the lower end portion of the outer cylinder 21 and the inner circumference of the lower end portion of the outer cylinder portion 7 are provided at positions opposite to the hinge C over a predetermined arc range, and an indestructible connecting portion 25 other than the arc range. A plurality of breakable weakening portions 26 are arranged at intervals in the arc range on the hinge C side.

また、外周筒部７のヒンジＣが連設される箇所の近傍に上端から垂直方向に細幅の縦スリット２７が所定の深さで形成され、縦スリット２７の下方には、破断可能な薄肉の弱化壁２８が縦スリット２７と同一の細幅で形成されている。
本実施例では、縦スリット２７および弱化壁２８は、垂直方向に形成されているが、垂直方向に限らず、斜め方向や階段状などに形成されていても構わない。 Further, a narrow vertical slit 27 is formed at a predetermined depth in the vertical direction from the upper end in the vicinity of the portion where the hinge C of the outer peripheral cylinder portion 7 is continuously provided, and a breakable thin wall is formed below the vertical slit 27. The weakened wall 28 is formed with the same narrow width as the vertical slit 27.
In this embodiment, the vertical slit 27 and the weakened wall 28 are formed in the vertical direction, but the vertical slit 27 and the weakened wall 28 may be formed not only in the vertical direction but also in an oblique direction or in a stepped shape.

さらに、図２（ｂ）に示すように、嵌合筒部６の外筒２１の内周下部には、連結部２５の周方向両端に対応する位置に割溝２９が形成され、ヒンジＣ側の２カ所に切欠部３０が形成されている。
割溝２９は、係止部２４の径方向の厚みよりも深く形成され、切欠部３０は、係止部２４の径方向の厚みと同じ深さに形成されている。 Further, as shown in FIG. 2B, a split groove 29 is formed at a position corresponding to both ends in the circumferential direction of the connecting portion 25 at the lower part of the inner circumference of the outer cylinder 21 of the fitting cylinder portion 6, and is on the hinge C side. Notches 30 are formed at two locations.
The split groove 29 is formed deeper than the radial thickness of the locking portion 24, and the notch portion 30 is formed at the same depth as the radial thickness of the locking portion 24.

上蓋Ｂは、図１に示すように、平坦な頂壁３５と、頂壁３５の周縁から垂下される側周壁３６と、頂壁３５の内面から垂設される密封筒３７とから構成されている。
側周壁３６の下端外周縁は、ヒンジＣに連設され、ヒンジＣの反対側の下端外周には摘み３８が設けられており、摘み３８の上部の側周壁３６は他の周囲の側周壁３６の下端部より薄肉になっている。
側周壁３６の内周面の下端近傍には、蓋係合部２２の膨出部２３が嵌合して閉蓋状態を維持する環状の係止溝３９が設けられている。 As shown in FIG. 1, the upper lid B is composed of a flat top wall 35, a side peripheral wall 36 hanging from the peripheral edge of the top wall 35, and a sealed cylinder 37 hanging from the inner surface of the top wall 35. There is.
The outer peripheral edge of the lower end of the side peripheral wall 36 is connected to the hinge C, and a knob 38 is provided on the outer periphery of the lower end on the opposite side of the hinge C. It is thinner than the lower end of.
In the vicinity of the lower end of the inner peripheral surface of the side peripheral wall 36, an annular locking groove 39 is provided in which the bulging portion 23 of the lid engaging portion 22 is fitted to maintain the closed lid state.

密封筒３７の下端外周面には、注出筒４の内周面に当接する環状のシール部４０が形成され、下端のヒンジＣ側の半周には、上蓋Ｂの内面に付着した内容液が注出筒４を伝って容器内に還流して周辺に垂れないように舌片４１が垂設されている。
舌片４１は、軸方向断面が弓形状をなし、舌片４１の外周面は、上蓋Ｂを開閉する際に注出筒４の湾曲部１６の内周面に沿って摺動するように湾曲面が形成されている。
舌片４１は、ヒンジＣの反対方向から見て所定周範囲に最も高く形成された先端部を有する山形をなしている。 An annular sealing portion 40 that abuts on the inner peripheral surface of the dispensing cylinder 4 is formed on the outer peripheral surface of the lower end of the sealing cylinder 37, and the content liquid adhering to the inner surface of the upper lid B is formed on the half circumference of the lower end on the hinge C side. A tongue piece 41 is hung so as not to flow back into the container along the injection cylinder 4 and hang down to the periphery.
The tongue piece 41 has a bow-shaped cross section in the axial direction, and the outer peripheral surface of the tongue piece 41 is curved so as to slide along the inner peripheral surface of the curved portion 16 of the dispensing cylinder 4 when opening and closing the upper lid B. A surface is formed.
The tongue piece 41 has a chevron shape having a tip portion formed highest in a predetermined circumferential range when viewed from the opposite direction of the hinge C.

舌片４１の先端部には、略垂直な壁面が形成される下係止段部４４が形成され、下係止段部４４の底縁には、注出筒４の湾曲部１６の先端に対応するように舌片４１の基部側に向かって深さが漸次浅くなる凹面となる係止凹部４５が形成されている。 A lower locking step 44 on which a substantially vertical wall surface is formed is formed at the tip of the tongue piece 41, and a lower locking step 44 is formed at the bottom edge of the lower locking step 44 at the tip of the curved portion 16 of the dispensing cylinder 4. Correspondingly, a locking recess 45 is formed which is a concave surface whose depth gradually becomes shallower toward the base side of the tongue piece 41.

次に、本実施例の使用態様と作用効果について説明する。
本実施例のヒンジキャップは、図２に示すように、完全に開蓋した状態で一体成形される。
本実施例のヒンジキャップを容器本体Ｄに装着するには、まず上蓋ＢをヒンジＣを支点に回動して閉蓋する必要がある。 Next, the usage mode and the action and effect of this example will be described.
As shown in FIG. 2, the hinge cap of this embodiment is integrally molded with the lid completely opened.
In order to attach the hinge cap of this embodiment to the container body D, it is first necessary to rotate the upper lid B around the hinge C as a fulcrum to close the lid.

上蓋Ｂを閉じる際には、まず舌片４１の先端部が注出筒４の湾曲部１６内周の係止先端面１７に乗り上げるようになり、下係止段部４４が係止先端面１７を乗り越えて上係止段部１９に係合すると同時に、係止先端面１７が係止凹部４５に嵌合して上蓋Ｂが係止される。
この状態から、さらに上蓋Ｂを閉じる方向に力を加えると、係止先端面１７と係止凹部４５の凹面は緩やかに係止しているので、小さな力で係止状態が速やかに解除され、舌片４１は、湾曲部１６の内周面を摺動しながら上蓋Ｂが回動し、蓋係合部２２の膨出部２３が上蓋Ｂの係止溝３９に嵌合することで閉蓋動作が完了し、図１に示す閉蓋状態となる。
その後、ヒンジキャップは、内容液を高温充填した容器本体Ｄの口部１を嵌合筒部６に当てがい、上方から押圧して打栓することにより、キャップ本体Ａの係止部２４が容器本体Ｄの係合突条２を乗り越えて、口部１が嵌合筒部６に嵌合し、装着される。 When closing the upper lid B, the tip end portion of the tongue piece 41 first rides on the locking tip surface 17 on the inner circumference of the curved portion 16 of the dispensing cylinder 4, and the lower locking step portion 44 rides on the locking tip surface 17. At the same time as the locking tip surface 17 fits into the locking recess 45, the upper lid B is locked.
When a force is further applied in the direction of closing the upper lid B from this state, the locking tip surface 17 and the concave surface of the locking recess 45 are gently locked, so that the locked state is quickly released with a small force. The tongue piece 41 is closed by rotating the upper lid B while sliding on the inner peripheral surface of the curved portion 16 and fitting the bulging portion 23 of the lid engaging portion 22 into the locking groove 39 of the upper lid B. The operation is completed, and the lid is closed as shown in FIG.
After that, in the hinge cap, the mouth portion 1 of the container body D filled with the content liquid at a high temperature is applied to the fitting cylinder portion 6 and pressed from above to tap the container, whereby the locking portion 24 of the cap body A becomes the container. Overcoming the engaging ridge 2 of the main body D, the mouth portion 1 is fitted into the fitting cylinder portion 6 and mounted.

ヒンジキャップが装着された容器を使用するには、まず、上蓋Ｂの摘み３８に手指を掛けて引き上げ、膨出部２３と係止溝３９の嵌合を解除して上蓋Ｂを回動させていくと、舌片４１の下係止段部４４が注出筒４の上係止段部１９に係合するとともに係止先端面１７が係止凹部４５に嵌合して、図４に示すように上蓋Ｂを常に一定の開度で係止する。 To use the container with the hinge cap attached, first, put your finger on the knob 38 of the upper lid B and pull it up, release the fitting between the bulging portion 23 and the locking groove 39, and rotate the upper lid B. Then, the lower locking step 44 of the tongue piece 41 engages with the upper locking step 19 of the dispensing cylinder 4, and the locking tip surface 17 fits into the locking recess 45, as shown in FIG. As described above, the upper lid B is always locked with a constant opening degree.

次に、抜栓について説明する。
抜栓に際し、図４、５に示すように、プルリング８のリング部１４内に指を掛け、引っ張り上げると、まずリング部１４につながる２箇所の小さな穴開け用の薄肉部１２が破断される。薄肉部１２の破断に際し、空気が入り込んで液面が波立っても、***１２ａであるため、そこから内容液が飛び散ることはない。
薄肉部１２が破断される際に、薄肉部１２に連結する薄肉弱化部１０の部分も破断されるが、それ以上薄肉弱化部１０が破断されることはない。
薄肉部１２の破断に際して、少々抵抗があるため、プルリング８の持ち上げが一時的に停止されるが、さらにプルリング８を引っ張り上げて、支柱部１３近傍の薄肉弱化部１０から破断しはじめ、続いて順次薄肉弱化部１０を破断していき、最後に隔壁３の除去部１１を切り取り、注出口を開口する。 Next, unplugging will be described.
When unplugging, as shown in FIGS. 4 and 5, when a finger is placed in the ring portion 14 of the pull ring 8 and pulled up, first, two small thin-walled portions 12 for making holes connected to the ring portion 14 are broken. When the thin-walled portion 12 is broken, even if air enters and the liquid level undulates, the content liquid does not scatter from the small hole 12a because it is a small hole 12a.
When the thin-walled portion 12 is broken, the portion of the thin-walled weakened portion 10 connected to the thin-walled portion 12 is also broken, but the thin-walled weakened portion 10 is not further broken.
When the thin-walled portion 12 is broken, the pull ring 8 is temporarily stopped from being lifted due to a slight resistance, but the pull ring 8 is further pulled up and begins to break from the thin-walled weakened portion 10 near the strut portion 13, followed by The thin-walled weakened portion 10 is sequentially broken, and finally the removed portion 11 of the partition wall 3 is cut off to open the spout.

薄肉部１２の破断により、容器内の内圧が大気圧と同じになるため、薄肉弱化部１０が破断されても、液面は安定化されており、内容液が噴き出すことはない。
また、本実施例のように、支柱部１３から離れて対向する左右の位置に２個の薄肉部１２が設けられている場合には、プルリング８のリング部１４内に指を入れるときに柱状部１５が邪魔にならず、力も偏ることがなく均等にかかるため、薄肉部１２を容易に破断することができる。
なお、薄肉部１２を薄肉弱化部１０より薄肉とすることによって、薄肉部１２の破断が容易となるとともに、薄肉弱化部１０への影響をより小さくすることもできる。 Since the internal pressure inside the container becomes the same as the atmospheric pressure due to the breakage of the thin-walled portion 12, the liquid level is stabilized and the content liquid does not spout even if the thin-walled weakened portion 10 is broken.
Further, as in the present embodiment, when two thin-walled portions 12 are provided at the left and right positions facing each other away from the support column portion 13, a columnar shape is formed when a finger is inserted into the ring portion 14 of the pull ring 8. Since the portion 15 does not get in the way and the force is applied evenly without being biased, the thin portion 12 can be easily broken.
By making the thin-walled portion 12 thinner than the thin-walled weakened portion 10, the thin-walled portion 12 can be easily broken and the influence on the thin-walled weakened portion 10 can be further reduced.

上蓋Ｂは、所定の開度に係止されているので、そのまま容器を傾ければ、容器内の内容液は注出口から注出筒４の内周面に案内されて注出され、上蓋Ｂが揺動して注出の邪魔をしたり内容液によって汚れたりすることがなく、上蓋Ｂに手を添えなくてはならないような面倒もない。
なお、本実施例の抜栓キャップは、上蓋Ｂの内面に付着した内容液が注出筒４を伝って容器内に還流して周辺に垂れないように舌片４１が垂設されているが、舌片４１を備えない通常の抜栓キャップであっても構わない。 Since the upper lid B is locked to a predetermined opening degree, if the container is tilted as it is, the content liquid in the container is guided from the pouring outlet to the inner peripheral surface of the pouring cylinder 4 and poured out, and the upper lid B is poured out. Does not swing and interfere with pouring or become dirty with the content liquid, and there is no hassle of having to touch the upper lid B.
In the unplugging cap of this embodiment, the tongue piece 41 is hung so that the content liquid adhering to the inner surface of the upper lid B does not flow back into the container through the pouring cylinder 4 and drips around. A normal unplugging cap without the tongue piece 41 may be used.

容器の使用を終えた後にヒンジキャップを容器本体Ｄから取り外して廃棄するための分別手順は、まず、上蓋Ｂを回動して開蓋状態とし、上蓋Ｂを把持して手前に引っ張り、ヒンジＣを介して外周筒部７を変形させ、縦スリット２７の弱化壁２８を破断させる。
さらに、上蓋Ｂを把持して手前に引っ張り、反時計方向に順次破断し、最後に連結部２５を介して上蓋Ｂを引っ張り上げることにより、容易に容器本体Ｄからヒンジキャップを分別して廃棄することができる。 The sorting procedure for removing the hinge cap from the container body D and disposing of it after finishing the use of the container is as follows: First, the upper lid B is rotated to open the lid, the upper lid B is grasped and pulled toward the front, and the hinge C is used. The outer peripheral cylinder portion 7 is deformed via the above, and the weakened wall 28 of the vertical slit 27 is broken.
Further, the hinge cap can be easily separated from the container body D and discarded by grasping the upper lid B and pulling it toward the front, sequentially breaking it counterclockwise, and finally pulling up the upper lid B via the connecting portion 25. Can be done.

さらに、外筒２１の内周下部には、連結部２５の周方向両端に対応する位置に、係止部２４の径方向の厚みよりも深く形成される割溝２９が設けられているので、連結部２５を介して外筒２１を引き上げた際の外筒２１の撓み変形が助長されるとともに、係止部２４は、より係合突条２を乗り越え易くなるとともに、外筒２１の内周下部には、ヒンジＣ側の所定の位置に、係止部２４の径方向の厚みと同じ深さに形成される切欠部３０が設けられているので、係止部２４の周方向の引っ張りに対する抗力が減少し、係止部２４は、より係合突条２を乗り越え易くなる。 Further, in the lower part of the inner circumference of the outer cylinder 21, a split groove 29 formed deeper than the radial thickness of the locking portion 24 is provided at a position corresponding to both ends in the circumferential direction of the connecting portion 25. The bending deformation of the outer cylinder 21 when the outer cylinder 21 is pulled up via the connecting portion 25 is promoted, and the locking portion 24 is easier to get over the engaging ridge 2 and the inner circumference of the outer cylinder 21. A notch 30 formed at a predetermined position on the hinge C side at a depth equal to the radial thickness of the locking portion 24 is provided in the lower portion, so that the locking portion 24 is pulled in the circumferential direction. The drag is reduced, and the locking portion 24 is more likely to get over the engaging ridge 2.

次に、薄肉部１２の構成を変更した第２実施例について説明する。
以下、第１実施例と同一の構成部分には同一の符号を付し、相違点を中心に説明する。 Next, a second embodiment in which the configuration of the thin-walled portion 12 is changed will be described.
Hereinafter, the same components as those in the first embodiment will be designated by the same reference numerals, and the differences will be mainly described.

図６〜８に示すように、キャップ本体Ａの隔壁３に設けられた除去部１１は第１実施例に比べて少し広く、薄肉部５２は、薄肉弱化部１０から離れ、隔壁３の中心に向けて少し内側に、２箇所設けられている。また、プルリング８の柱状部１５は、実施例１と同じように、支柱部１３からみて対向する左右のリング部１４の下部の２箇所から伸びてそれぞれの薄肉部５２につなげられている。 As shown in FIGS. 6 to 8, the removing portion 11 provided on the partition wall 3 of the cap body A is slightly wider than that of the first embodiment, and the thin-walled portion 52 is separated from the thin-walled weakening portion 10 and is located at the center of the partition wall 3. There are two places on the inside. Further, the columnar portion 15 of the pull ring 8 extends from two lower portions of the left and right ring portions 14 facing each other when viewed from the support column portion 13 and is connected to the respective thin-walled portions 52, as in the first embodiment.

次に、本実施例の使用態様と作用効果について説明する。
抜栓に際し、図９に示すようにプルリング８のリング部１４が引っ張られて、まず小さな穴開け用の薄肉部５２が破断され、***５２ａから空気が流入し、内圧が大気圧と同じになり、液面が安定化される。
さらにプルリング８を引っ張り上げると、支柱部１３近傍の薄肉弱化部１０から破断しはじめ、順次薄肉弱化部１０を破断し、除去部１１が取り除かれて、注出口が開口される。
第１実施例と同様に、小さな穴開け用の薄肉部５２が先に破断されて液面が安定しているため、薄肉弱化部１０によって除去部１１が取り除かれる際に、内容液が噴き出すことはない。
また、本実施例においては、薄肉部５２は、薄肉弱化部１０とは離れた位置にあるため、薄肉部５２の破断による薄肉弱化部１０への影響はない。
その他の作用効果については、第１実施例と同様である。 Next, the usage mode and the action and effect of this example will be described.
At the time of unplugging, as shown in FIG. 9, the ring portion 14 of the pull ring 8 is pulled, the thin portion 52 for making a small hole is first broken, air flows in from the small hole 52a, and the internal pressure becomes the same as the atmospheric pressure. The liquid level is stabilized.
When the pull ring 8 is further pulled up, the thin-walled weakened portion 10 near the strut portion 13 begins to break, the thin-walled weakened portion 10 is sequentially broken, the removed portion 11 is removed, and the spout is opened.
Similar to the first embodiment, since the thin-walled portion 52 for making small holes is first broken and the liquid level is stable, the content liquid is ejected when the removing portion 11 is removed by the thin-walled weakening portion 10. There is no.
Further, in this embodiment, since the thin-walled portion 52 is located at a position away from the thin-walled weakened portion 10, there is no effect on the thin-walled weakened portion 10 due to the breakage of the thin-walled portion 52.
Other effects are the same as in the first embodiment.

上記各実施例では、抜栓キャップは、キャップ本体と上蓋とをヒンジを介して一体成形されたヒンジキャップとしているが、抜栓式のキャップ本体と上蓋とが別体で形成され、キャップ本体の上部に上蓋が嵌着または螺着されるキャップであっても構わない。
また、キャップ本体に分別廃棄機構を設けない抜栓キャップであっても構わない。 In each of the above embodiments, the unplugging cap is a hinge cap in which the cap body and the upper lid are integrally molded via a hinge, but the unplugging type cap body and the upper lid are formed separately and are placed on the upper part of the cap body. It may be a cap to which the upper lid is fitted or screwed.
Further, the cap body may be an unplugging cap that does not have a separate disposal mechanism.

本発明の抜栓キャップは、キャップ本体の隔壁から除去部を抜栓する際に、プルリングを引っ張った時に、まず小さな穴開け用の薄肉部が破断され、その***から空気が流入し、内圧が大気圧と同じになり液面が安定化されるため、さらにプルリングを引っ張って除去部を取り除くときに内容液が噴き出すことがない。
また、先行技術のように最初から貫通孔が設けられるものに比べて、密封性がよく、加熱充填される内容液の噴出防止用の抜栓キャップとして広く使用することができる。 In the unplugging cap of the present invention, when the pull ring is pulled when the removing portion is unplugged from the partition wall of the cap body, the thin portion for making a small hole is first broken, air flows in from the small hole, and the internal pressure becomes atmospheric pressure. Since the liquid level is stabilized in the same manner as above, the content liquid does not spout out when the pull ring is further pulled to remove the removed portion.
Further, as compared with the prior art in which a through hole is provided from the beginning, the sealing property is good, and the cap can be widely used as a cap for preventing the ejection of the content liquid to be heated and filled.

Ａ キャップ本体
Ｂ 上蓋
Ｃ ヒンジ
Ｄ 容器本体
１ 口部
２ 係合突条
３ 隔壁
４ 注出筒
５ リング状底壁
６ 嵌合筒部
７ 外周筒部
８ プルリング
１０ 薄肉弱化部
１１ 除去部
１２、５２ 薄肉部
１２ａ、５２ａ ***
１３ 支柱部
１４ リング部
１５ 柱状部
１６ 湾曲部
１７ 係止先端面
１９ 上係止段部
２０ 内筒
２１ 外筒
２２ 蓋係合部
２３ 膨出部
２４ 係止部
２５ 連結部
２６ 弱化部
２７ 縦スリット
２８ 弱化壁
２９ 割溝
３０ 切欠部
３５ 頂壁
３６ 側周壁
３７ 密封筒
３８ 摘み
３９ 係止溝
４０ シール部
４１ 舌片
４４ 下係止段部
４５ 係止凹部 A Cap body B Top lid C Hinge D Container body 1 Mouth 2 Engagement ridge 3 Partition 4 Injection cylinder 5 Ring-shaped bottom wall 6 Fitting cylinder 7 Outer cylinder 8 Pull ring 10 Thinning weakening part 11 Removal part 12, 52 Thin-walled parts 12a, 52a Small holes 13 Struts 14 Rings 15 Columns 16 Curved parts 17 Locking tip surface 19 Upper locking steps 20 Inner cylinder 21 Outer cylinder 22 Lid engaging part 23 Swelling part 24 Locking part 25 Part 26 Weakened part 27 Vertical slit 28 Weakened wall 29 Split groove 30 Notch part 35 Top wall 36 Side peripheral wall 37 Sealed cylinder 38 Picking 39 Locking groove 40 Sealing part 41 Tongue piece 44 Lower locking step 45 Locking recess

Claims (2)

容器本体の口部に装着されるキャップ本体と上蓋とからなる抜栓キャップにおいて、
キャップ本体は、容器本体の口部を密封する隔壁と、隔壁の周縁に立設される注出筒と、隔壁に破断可能な薄肉弱化部によって画成される除去部と、除去部の上面に設けられるプルリングとを備え、
プルリングは、除去部の上面端部に立設される支柱部と、支柱部の上端部から連設されるリング部とを有し、
隔壁には、支柱部近傍の薄肉弱化部の破断より先に破断される薄肉部が、支柱部から離れた位置の薄肉弱化部に連結して設けられ、薄肉部は、支柱部と隔壁の中心とを結ぶ中心線に対し、対向する位置に２箇所設けられるとともに、支柱部からみて対向する左右の２箇所のリング部の下部から伸びる柱状部にそれぞれ連結されていることを特徴とする抜栓キャップ。 In the unplugging cap consisting of the cap body and the upper lid attached to the mouth of the container body
The cap body is provided on the partition wall that seals the mouth of the container body, the dispensing tube that stands on the periphery of the partition wall, the removal section defined by the thin-walled weakened portion that can be broken on the partition wall, and the upper surface of the removal section. Equipped with a pull ring to be provided
The pull ring has a strut portion erected at the upper end portion of the removal portion and a ring portion continuously provided from the upper end portion of the strut portion.
The partition wall is provided with a thin-walled portion that is broken prior to the breakage of the thin-walled weakened portion in the vicinity of the strut portion, connected to the thin-walled weakened portion at a position away from the strut portion, and the thin-walled portion is the center of the strut portion and the partition wall. with respect to the center line connecting the bets and with provided two positions on opposite positions, characterized in that it is connected respectively to the columnar portion Ru extending from a lower portion of the ring portion of the two positions of the left and right opposite when viewed from the strut抜栓cap. 容器本体の口部に装着されるキャップ本体と上蓋とからなる抜栓キャップにおいて、
キャップ本体は、容器本体の口部を密封する隔壁と、隔壁の周縁に立設される注出筒と、隔壁に破断可能な薄肉弱化部によって画成される除去部と、除去部の上面に設けられるプルリングとを備え、
プルリングは、除去部の上面端部に立設される支柱部と、支柱部の上端部から連設されるリング部とを有し、
隔壁には、支柱部近傍の薄肉弱化部の破断より先に破断される薄肉部が、支柱部から離れた位置の薄肉弱化部の内側に離れて設けられ、薄肉部は、支柱部と隔壁の中心とを結ぶ中心線に対し、対向する位置に２箇所設けられるとともに、支柱部からみて対向する左右の２箇所のリング部の下部から伸びる柱状部にそれぞれ連結されていることを特徴とする抜栓キャップ。 In the unplugging cap consisting of the cap body and the upper lid attached to the mouth of the container body
The cap body is provided on the partition wall that seals the mouth of the container body, the dispensing tube that stands on the periphery of the partition wall, the removal section defined by the thin-walled weakened portion that can be broken on the partition wall, and the upper surface of the removal section. Equipped with a pull ring to be provided
The pull ring has a strut portion that is erected at the upper end portion of the removal portion and a ring portion that is continuously provided from the upper end portion of the strut portion.
The partition wall is provided with a thin-walled portion that is broken prior to the breakage of the thin-walled weakened portion in the vicinity of the strut portion, apart from the inside of the thin-walled weakened portion at a position away from the strut portion. with respect to the center line connecting the center, with provided two positions on opposite positions, characterized in that it is connected respectively to the columnar portion Ru extending from a lower portion of the ring portion of the two positions of the left and right opposite when viewed from the strut Unplug cap.
JP2016232650A 2016-11-30 2016-11-30 Unplug cap Active JP6873538B2 (en)

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JP7446057B2 (en) * 2018-10-31 2024-03-08 株式会社吉野工業所 stopper cap

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JPS49120650U (en) * 1973-02-12 1974-10-16
JPS5849951Y2 (en) * 1981-01-13 1983-11-14 日本クラウンコルク株式会社 container lid
JPS5855061U (en) * 1981-10-08 1983-04-14 東都成型株式会社 Inner stopper of liquid pouring container
JPS6013805Y2 (en) * 1981-10-08 1985-05-02 東都成型株式会社 Inner stopper of liquid pouring container
JPH0621892Y2 (en) * 1986-06-25 1994-06-08 株式会社吉野工業所 Container closures
JP2541920Y2 (en) * 1991-04-18 1997-07-23 株式会社吉野工業所 Liquid dispense cap
JP2563972Y2 (en) * 1991-11-26 1998-03-04 日本クラウンコルク株式会社 Cap with pull tab
JP4285808B2 (en) * 1998-09-22 2009-06-24 日本クラウンコルク株式会社 Easy-open inner plug
JP2003212254A (en) * 2002-01-18 2003-07-30 Dainippon Printing Co Ltd Pouring outlet
JP4597537B2 (en) * 2004-01-30 2010-12-15 株式会社吉野工業所 Container cap
FR2911328B1 (en) * 2007-01-16 2011-03-04 Bericap CAP AND METHOD OF MOUNTING

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