JP7102095B2 - Screw cap with seal - Google Patents

Screw cap with seal Download PDF

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JP7102095B2
JP7102095B2 JP2016254475A JP2016254475A JP7102095B2 JP 7102095 B2 JP7102095 B2 JP 7102095B2 JP 2016254475 A JP2016254475 A JP 2016254475A JP 2016254475 A JP2016254475 A JP 2016254475A JP 7102095 B2 JP7102095 B2 JP 7102095B2
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cap
band
locking claw
cap body
piece
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JP2018104059A (en
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辰春 井田
優太 小賀坂
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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、不正な開封を防止するための封緘リングを備えた封緘付きねじキャップに関し、とくに、容器の口筒部に螺着する封緘付きねじキャップに関するものである。 The present invention relates to a screw cap with a seal provided with a sealing ring for preventing unauthorized opening, and more particularly to a screw cap with a seal to be screwed to a mouthpiece of a container.

ピルファープルーフ機能を有するねじキャップとして、容器本体の口筒部外周に螺合するキャップ本体の下端に、複数の細い連結片を介して、口筒部外周の係止突条に抜け出し不能に係止する封緘リングを連結した不正開封を防止する封緘付きねじキャップが、従来から広く使用されている。
この種のねじキャップは、開封時に、容器本体の口筒部から螺脱されるにしたがって、連結片が破断され、口筒部の下部に残る封緘リングと、開封されるキャップ本体とに分離され、これにより、ねじキャップが開封されたことを判別できるようになっている。 As a screw cap with a pilfer proof function, the lower end of the cap body screwed to the outer periphery of the mouth tube of the container body is engaged with the locking ridge on the outer circumference of the mouth tube via a plurality of thin connecting pieces. A screw cap with a seal that prevents unauthorized opening by connecting a seal ring that stops has been widely used.
At the time of opening, this type of screw cap is separated into a sealing ring remaining at the bottom of the mouthpiece and a cap body to be opened , as the connecting piece is broken as it is screwed off from the mouthpiece of the container body. , This makes it possible to determine that the screw cap has been opened .

また、ピルファープルーフキャップのリング体４に、内外に連通する５個の窓孔５を等間隔で形成し、各窓孔５の下端縁内面に、瓶口Ａに形成したフランジＡ１に係合する内向き係合部の一例として舌状の突起７を斜め上向きに延びるように形成することにより、ねじ蓋２を瓶口Ａにねじ込んで行くと、リング体４の各突起７は、瓶口ＡのフランジＡ１に当たって半径外向きに起きるように弾性変形したのち、フランジＡ１を通過すると元の姿勢に戻り、各突起７の先端はフランジＡ１の下面に対して係合するようにした封緘付きキャップは、従来から知られている（例えば、特許文献１参照）。 Further, five window holes 5 communicating inside and outside are formed at equal intervals in the ring body 4 of the pilfer proof cap, and the inner surface of the lower end edge of each window hole 5 is engaged with the flange A1 formed in the bottle mouth A. As an example of the inwardly engaging portion, the tongue-shaped protrusion 7 is formed so as to extend diagonally upward, and when the screw lid 2 is screwed into the bottle mouth A, each protrusion 7 of the ring body 4 becomes the bottle mouth. After elastically deforming so as to hit the flange A1 of A and occur outward in radius, it returns to the original posture when passing through the flange A1, and the tip of each protrusion 7 is engaged with the lower surface of the flange A1. Is conventionally known (see, for example, Patent Document 1).

特許第２５２１８８７号公報Japanese Patent No. 2521887

しかしながら、上記特許文献１記載の封緘付きキャップは、開封判別用のリング体４は、細巾状のスリット６ａを介して非ループ状に分断され、スリット６ａによって分断された両端のうち一方の端部に、スリット６ａと連通する下向き開口で矩形の切り欠き溝６ｂを形成した構造であるため、ねじ蓋２を瓶口Ａにねじ込む際に、リング体４は、ねじ蓋２が下降するのにともなって、瓶口Ａのねじ山やフランジＡ１を乗り越えるために径方向に広がる力が加わり、切り欠き溝６ｂが下方から広がるように変形して、正常に開封される前に、ねじ蓋２とリング体４とを連接するブリッジ部３が破断してしまうおそれがあった。
また、上記封緘付きキャップは、開封後に再び、ねじ蓋２を瓶口Ａにねじ込んで再使用するため、内容物の使用後に初めて装着部としてのキャップ本体を容器本体から外して廃棄する封緘付きねじキャップに使用する場合に適していないという問題があった。 However, in the cap with a seal described in Patent Document 1, the ring body 4 for opening determination is divided into a non-loop shape via a narrow width slit 6a, and one end of both ends divided by the slit 6a. Since the structure is such that a rectangular notch groove 6b is formed in the portion with a downward opening communicating with the slit 6a, when the screw lid 2 is screwed into the bottle mouth A, the ring body 4 has the screw lid 2 lowered. At the same time, a force that spreads in the radial direction is applied to get over the thread of the bottle mouth A and the flange A1, and the notch groove 6b is deformed so as to spread from below. There was a risk that the bridge portion 3 connecting to the ring body 4 would break.
Further, since the screw lid 2 is screwed into the bottle mouth A again after opening the cap with a seal and reused, the cap body as a mounting portion is removed from the container body and discarded for the first time after the contents are used. There was a problem that it was not suitable for use as a cap.

本発明は、上記問題を解決することを課題とし、不正な開封を防止するための封緘リングを備えた封緘付きねじキャップにおいて、封緘リングを、内容物の使用後に装着部としてのキャップ本体を容器本体から外して分別廃棄することができるように破断可能とするとともに、容器本体の口筒部に装着する際に破断しないようにした封緘付きねじ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-mentioned problems, and in a screw cap with a seal provided with a seal ring for preventing unauthorized opening, the seal ring is used as a container for the cap body as a mounting portion after the contents are used. It is an object of the present invention to provide a screw cap with a seal that can be broken so that it can be removed from the main body and separately disposed of, and that the screw cap is not broken when it is attached to the mouthpiece of the container main body.

本発明は、上記の課題を解決するため、封緘付きねじキャップとして、容器本体の口筒部に螺合される装着部としてのキャップ本体と、キャップ本体の下端に、破断可能な弱化連結片を介して連結された封緘リングとを備え、容器本体の口筒部は、外周に係止突条を備え、封緘リングは、周方向端部が破断可能な接続片により接続された環状の帯体と、帯体の内周下部の周方向に複数配設され、容器本体の口筒部外周の係止突条と係合する係止爪片と、係止爪片の上部に沿って、帯体に開口されたスリット状の窓孔とを有し、帯体は、螺合方向側端部付近がキャップ本体の下端と連結された破断不能な連結部を有し、帯体は、側面視で、連結部と連続してＬ字状をなし、帯体の周方向端部は、下部を接続片により接続するとともに、上部に間隙を形成し、窓孔の周方向長さは、少なくとも係止爪片の周方向長さに設定され、窓孔の下縁部は、屈曲変形可能な長さを有し、係止爪片は、厚みが一定で内方に向けて斜め上方に突出す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 cap body as a mounting portion screwed into the mouth cylinder portion of the container body as a screw cap with a seal, and a breakable weakened connecting piece at the lower end of the cap body. The sealing ring is provided with a sealing ring connected via, the mouth tube portion of the container body is provided with a locking ridge on the outer circumference, and the sealing ring is an annular band connected by a connecting piece whose circumferential end is breakable. And, a plurality of locking claw pieces are arranged in the circumferential direction of the lower part of the inner circumference of the band body and engage with the locking claws on the outer periphery of the mouthpiece of the container body, and the band is along the upper part of the locking claw piece. It has a slit-shaped window hole opened in the body, and the band body has an inbreakable connecting part in which the vicinity of the end on the screwing direction side is connected to the lower end of the cap body, and the band body is viewed from the side. Then , it forms an L-shape continuously with the connecting part, and the peripheral end of the band is connected to the lower part by a connecting piece and forms a gap in the upper part, and the circumferential length of the window hole is at least related. The length is set to the circumferential length of the claw piece, the lower edge of the window hole has a length that can be bent and deformed, and the locking claw piece has a constant thickness and protrudes diagonally upward inward. Adopt a configuration characterized by that.

封緘付きねじキャップの封緘リングの実施形態として、帯体は、キャップ本体の径方向に対向する位置で連結された２箇所の連結部から螺脱方向に延びて、それぞれ他方の周方向端部に接続片を介して接続されることを特徴とする構成を採用し、また、封緘リングは、連結部から離れた帯体の上面に、キャップ本体の下端と近接するスペーサー凸部を有することを特徴とする構成を採用する。
さらに、封緘付きねじキャップの実施形態として、キャップ本体は、さらに、ヒンジを介して連設された蓋体を備えることを特徴とする構成を採用する。 As an embodiment of the sealing ring of a screw cap with a sealing, the band extends in the screwing direction from two connecting portions connected at positions facing each other in the radial direction of the cap body, and extends to the other peripheral end portion. A configuration characterized by being connected via a connecting piece is adopted, and the sealing ring is characterized by having a spacer convex portion adjacent to the lower end of the cap body on the upper surface of the band body away from the connecting portion. Adopt the configuration of.
Further, as an embodiment of the screw cap with a seal, the cap main body further adopts a configuration characterized by including a lid body serially connected via a hinge.

本発明の封緘付きねじキャップでは、封緘リングは、周方向端部が破断可能な接続片により接続された環状の帯体と、帯体の内周下部の周方向に複数配設され、容器本体の口筒部外周の係止突条と係合する係止爪片と、係止爪片の上部に沿って、帯体に開口されたスリット状の窓孔とを有し、帯体は、側面視で、連結部と連続してＬ字状をなし、帯体の周方向端部は、下部を接続片により接続するとともに、上部に間隙を形成し、窓孔の周方向長さは、少なくとも係止爪片の周方向長さに設定され、窓孔の下縁部は、屈曲変形可能な長さを有し、係止爪片は、厚みが一定で内方に向けて斜め上方に突出しているので、装着部としてのキャップ本体を容器本体の口筒部に装着する際に、封緘リングの係止爪片が口筒部のねじ山や係止突条を乗り越える際に広がろうとしても、係止爪片は、外側に変形しようとして、窓孔の下縁部に回転しようとする力が働き、封緘リングが外側に広がろうとするのを抑制することができるから、封緘リングは、破断することがない。 In the screw cap with a seal of the present invention, a plurality of seal rings are arranged in the circumferential direction of an annular band whose circumferential end is connected by a breakable connecting piece and a lower portion of the inner circumference of the band, and the container body. It has a locking claw piece that engages with a locking ridge on the outer periphery of the mouthpiece, and a slit-shaped window hole opened in the band along the upper portion of the locking claw piece . When viewed from the side, it forms an L-shape continuously with the connecting part, and at the circumferential end of the band, the lower part is connected by a connecting piece and a gap is formed in the upper part, and the circumferential length of the window hole is It is set to at least the circumferential length of the locking claw piece, the lower edge of the window hole has a length that can be bent and deformed, and the locking claw piece has a constant thickness and is diagonally upward inward. Since it is protruding, when the cap body as a mounting part is mounted on the mouth tube of the container body, the locking claw piece of the sealing ring will spread when overcoming the screw thread and locking ridge of the mouth tube. Even so, the locking claw piece can prevent the sealing ring from spreading outward due to the force acting on the lower edge of the window hole in an attempt to deform outward, so that the sealing ring can be prevented from spreading outward. Does not break.

本発明の実施例であるヒンジキャップを容器本体に螺着した状態を示す図であり、（ａ）は側面断面図、（ｂ）は口筒部の係止突条と封緘リングの係止爪片との係止状態を示す拡大断面図である。It is a figure which shows the state which the hinge cap which is the Example of this invention is screwed to the container body, (a) is the side sectional view, (b) is the locking ridge of the mouthpiece and the locking claw of the sealing ring. It is an enlarged sectional view which shows the locked state with a piece. 本発明の実施例であるヒンジキャップを開蓋した状態を示す図であり、（ａ）は上面図、（ｂ）は側面図である。It is a figure which shows the state which opened the hinge cap which is the Example of this invention, (a) is a top view, (b) is a side view. 本発明の実施例であるヒンジキャップを開蓋した状態を示す図であり、（ａ）は側面断面図、（ｂ）は下面図である。It is a figure which shows the state which opened the hinge cap which is the Example of this invention, (a) is a side sectional view, (b) is a bottom view. 図３の断面を示す図であり、（ａ）はＸ－Ｘ矢視断面図、（ｂ）はＹ－Ｙ矢視断面図である。3A and 3B are views showing a cross section, FIG. 3A is a cross-sectional view taken along the line XX, and FIG. 3B is a cross-sectional view taken along the line YY.

本発明の封緘付きねじキャップについて、ヒンジキャップの装着部として具体化した実施例を示した図面を参照して説明する。 The sealed screw cap of the present invention will be described with reference to the drawings showing an embodiment embodied as a mounting portion of the hinge cap.

図１において、Ａは容器本体、Ｂは容器本体Ａの口筒部１に螺着されるキャップ本体、Ｃはキャップ本体Ｂの下端部に一体に連設された封緘リング、Ｄはキャップ本体ＢにヒンジＥを介して一体成形された蓋体である。 In FIG. 1, A is a container body, B is a cap body screwed to the mouth tube 1 of the container body A, C is a sealing ring integrally connected to the lower end of the cap body B, and D is a cap body B. It is a lid integrally molded via a hinge E.

容器本体Ａは、口筒部１を備え、口筒部１の外周には、上部に、ねじ２が螺設され、ねじ２の下方には、ねじ山頂部より径の大きい係止突条３が形成され、さらに係止突条３の下方には、ネックリング４が形成されている。 The container body A is provided with a mouthpiece portion 1, and a screw 2 is screwed on the upper portion of the outer periphery of the mouthpiece portion 1, and a locking ridge 3 having a diameter larger than that of the thread top is below the screw 2. Is formed, and a neck ring 4 is formed below the locking ridge 3.

図２および図３に示すように、キャップ本体Ｂは、円筒状の外周筒部６と、外周筒部６の上端内周に連設されたリング状の上壁部７と、上壁部７の上面に立設された蓋係合部８と、上壁部７の内縁に連設された注出筒９と、注出筒９の内周下部に連設される隔壁１０とを備えている。
外周筒部６は、内周面に、容器本体Ａの口筒部１に形成されたねじ２に螺合するねじ部１１が形成され、外周面に、滑り止めのローレット１２が形成されている。 As shown in FIGS. 2 and 3, the cap body B has a cylindrical outer peripheral cylinder portion 6, a ring-shaped upper wall portion 7 connected to the inner circumference of the upper end of the outer peripheral cylinder portion 6, and an upper wall portion 7. It is provided with a lid engaging portion 8 erected on the upper surface of the above surface, a dispensing cylinder 9 connected to the inner edge of the upper wall portion 7, and a partition wall 10 connected to the lower part of the inner circumference of the dispensing cylinder 9. There is.
In the outer peripheral cylinder portion 6, a screw portion 11 screwed to a screw 2 formed in the mouth cylinder portion 1 of the container body A is formed on the inner peripheral surface, and a non-slip knurl 12 is formed on the outer peripheral surface. ..

注出筒９には、連設された上壁部７の下面から下方に延び、外周が口筒部１の内周に嵌合するシール部１３が設けられている。
隔壁１０には、破断可能な薄肉弱化部１４により除去部１５が画成され、除去部１５の上面には、プルリング１６が設けられており、薄肉弱化部１４は、プルリング１６を引き上げることにより破断され、除去部１５が取り除かれて、隔壁１０に容器内部と連通する注出口が形成される。 The dispensing cylinder 9 is provided with a seal portion 13 extending downward from the lower surface of the continuous upper wall portion 7 and having an outer periphery fitted to the inner circumference of the mouth cylinder portion 1.
A removing portion 15 is defined in the partition wall 10 by a breakable thin-walled weakening portion 14, a pull ring 16 is provided on the upper surface of the removing portion 15, and the thin-walled weakening portion 14 is broken by pulling up the pull ring 16. Then, the removing portion 15 is removed, and a spout that communicates with the inside of the container is formed in the partition wall 10.

外周筒部６の下端面１７には、破断可能に形成された細い弱化連結片１８が周方向に複数箇所に設けられ、同様に、下端面１７に設けられた２箇所の連結部１９とともに、封緘リングＣと連結している。
本実施例では、弱化連結片１８は、外周筒部６のヒンジＥ側から周方向に等間隔で６本設けられており、この数は、複数あれば、これよりも多くても少なくても構わないが、開封時の負荷を軽減するために、可能な限り少ない方が好ましい。
また、連結部１９は、図２に示すように、弱化連結片１８よりも幅広で強度が高く、開封時に破断しない強度に設定されている。 On the lower end surface 17 of the outer peripheral cylinder portion 6, thin weakened connecting pieces 18 formed so as to be breakable are provided at a plurality of locations in the circumferential direction, and similarly, together with the two connecting portions 19 provided on the lower end surface 17. It is connected to the sealing ring C.
In this embodiment, six weakened connecting pieces 18 are provided at equal intervals in the circumferential direction from the hinge E side of the outer peripheral cylinder portion 6, and if there are a plurality of weakened connecting pieces 18, the number may be larger or smaller than this. It does not matter, but it is preferable that the amount is as small as possible in order to reduce the load at the time of opening.
Further, as shown in FIG. 2, the connecting portion 19 is wider and stronger than the weakened connecting piece 18, and is set to a strength that does not break when opened.

封緘リングＣは、図４（ａ）に示すように、対向する２箇所の連結部１９を起点として、螺脱方向にそれぞれ延び、各々の周方向端部である螺脱方向側端部２１ａと螺合方向側端部２１ｂとが破断可能な薄肉の接続片２０により接続され、環状に形成された一対の帯体２１からなり、それぞれの帯体２１は、図２（ｂ）に示す側面視で、連結部１９と連続するＬ字状をなしている。
帯体２１の内周には、裾広がりに傾斜した傾斜面２１ｃが形成され、帯体２１の内周下部には、容器本体Ａの口筒部１の外周に設けられた係止突条３と係合する係止爪片２２が周方向に複数配設されている。
係止爪片２２は、図１（ａ）に示すように、厚みが一定で内方に向けて斜め上方に突出した弾性を有する突片であり、キャップ本体Ｂとともに封緘リングＣを容器本体Ａの口筒部１に装着するとき、係止突条３を乗り越えて係止突条３の下面に係合するようになっている。
本実施例では、係止爪片２２は、図４に示すように、接続片２０が接続された箇所を避けて、帯体２１の内周に等間隔に４個配設されているが、この数は、口筒部１の係止突条３との係止状態を維持することができれば、これよりも多くても、少なくても構わない。 As shown in FIG. 4A, the sealing ring C extends in the screwing direction from the two opposing connecting portions 19 as starting points, and extends with the respective peripheral end portions 21a in the screwing direction. The end portion 21b on the side in the screwing direction is connected by a breakable thin-walled connecting piece 20, and is composed of a pair of strips 21 formed in an annular shape. It has an L-shape that is continuous with the connecting portion 19.
An inclined surface 21c inclined to spread the hem is formed on the inner circumference of the belt body 21, and a locking ridge 3 provided on the outer periphery of the mouth cylinder portion 1 of the container body A is formed on the lower portion of the inner circumference of the belt body 21. A plurality of locking claw pieces 22 that engage with the locking claw pieces 22 are arranged in the circumferential direction.
As shown in FIG. 1A, the locking claw piece 22 is a projecting piece having a constant thickness and having elasticity that protrudes diagonally upward inward, and the sealing ring C is attached to the container body A together with the cap body B. When attached to the mouthpiece portion 1, the locking ridge 3 is overcome and engaged with the lower surface of the locking ridge 3.
In this embodiment, as shown in FIG. 4, four locking claw pieces 22 are arranged at equal intervals on the inner circumference of the band 21 so as to avoid the place where the connecting piece 20 is connected. This number may be larger or smaller than this as long as the locked state of the mouth cylinder portion 1 with the locking ridge 3 can be maintained.

接続片２０は、図４（ａ）に示すように、連結部１９に隣接して封緘リングＣの両側部に設けられ、図２（ｂ）に示すように、帯体２１の螺脱方向側端部２１ａと螺合方向側端部２１ｂとの下部は接続されているが、螺脱方向側端部２１ａの上部と螺合方向側端部２１ｂの上部との間には、接続片２０が存在せず、間隙が形成されている。
帯体２１は、係止爪片２２が突設された上部に沿って、周方向にスリット状の窓孔２３が形成され、窓孔２３の周方向長さは、少なくとも係止爪片２２の周方向長さに設定されており、窓孔２３の下縁部２３ａが屈曲変形可能な長さを有することが好ましい。 As shown in FIG. 4A, the connecting pieces 20 are provided on both side portions of the sealing ring C adjacent to the connecting portion 19, and as shown in FIG. 2B, the stripping body 21 is provided on the screwing direction side. Although the lower portion of the end portion 21a and the screwing direction side end portion 21b is connected, a connecting piece 20 is provided between the upper portion of the screwing direction side end portion 21a and the upper portion of the screwing direction side end portion 21b. It does not exist and a gap is formed.
In the band 21, a slit-shaped window hole 23 is formed in the circumferential direction along the upper portion where the locking claw piece 22 is projected, and the circumferential length of the window hole 23 is at least the locking claw piece 22. The length is set in the circumferential direction, and it is preferable that the lower edge portion 23a of the window hole 23 has a length that allows bending and deformation.

また、図４（ａ）に示すように、帯体２１の上面には、外周筒部６の下端面１７と近接するスペーサー凸部２４が形成され、封緘リングＣが下方から押圧力を受けた際に、弱化連結片１８が座屈して破断しないように、外周筒部６の下端面１７と帯体２１との間隔を保持している。
このために、スペーサー凸部２４は、キャップ本体Ｂと封緘リングＣとを強固に連結する連結部１９から離れたヒンジＥ側およびヒンジＥと反対側に設けられた弱化連結片１８を取り囲むように、帯体２１の上面に形成されている。 Further, as shown in FIG. 4A, a spacer convex portion 24 adjacent to the lower end surface 17 of the outer peripheral tubular portion 6 is formed on the upper surface of the band 21, and the sealing ring C receives a pressing force from below. At that time, the distance between the lower end surface 17 of the outer peripheral cylinder portion 6 and the band 21 is maintained so that the weakened connecting piece 18 does not buckle and break.
For this purpose, the spacer convex portion 24 surrounds the weakened connecting piece 18 provided on the hinge E side away from the connecting portion 19 that firmly connects the cap body B and the sealing ring C and on the side opposite to the hinge E. , Is formed on the upper surface of the band 21.

蓋体Ｄは、天面を形成する頂壁３０と、頂壁３０の周縁から垂設される側周壁３１と、閉蓋時に外周がキャップ本体Ｂの注出筒９の内周と係合する密封筒３２とを備え、側周壁３１の下端外周の所定箇所でヒンジＥに連設している。
側周壁３１は、内周下部に、閉蓋時にキャップ本体Ｂの蓋係合部８と嵌合し、閉蓋状態を維持する係合凹部３３が設けられ、さらに、側周壁３１のヒンジＥと反対側には、外周に、開蓋時に指先が掛かるように、指掛け部３４が凹設されている。 The lid D engages with the top wall 30 forming the top surface, the side peripheral wall 31 suspended from the peripheral edge of the top wall 30, and the inner circumference of the ejection cylinder 9 of the cap body B when the lid is closed. A sealing cylinder 32 is provided, and the side peripheral wall 31 is connected to the hinge E at a predetermined position on the outer periphery of the lower end.
The side peripheral wall 31 is provided with an engaging recess 33 that fits with the lid engaging portion 8 of the cap body B at the time of closing and maintains the closed state at the lower part of the inner circumference, and further, with the hinge E of the side peripheral wall 31. On the opposite side, a finger hook portion 34 is recessed on the outer periphery so that the fingertip can be hooked when the lid is opened.

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および図３に示すように、開蓋状態で一体成形により製造され、その際に、封緘リングＣの帯体２１の内周下部には、係止爪片２２が内方に向けて斜め上方に突出しているために、金型から離型する際に無理抜きすることになる。
この無理抜きの際に、帯体２１には、係止爪片２２が突設された上部に沿って、窓孔２３が周方向に形成されているので、係止爪片２２は、下向きに変形し易くなり、金型からの離型が容易になる。
つぎに、本実施例のヒンジキャップを容器本体Ａに装着するには、まず、一体成形により製造された開蓋状態から、蓋体ＤをヒンジＥを中心に回転してキャップ本体Ｂにかぶせ、上から押圧して蓋体Ｄの係合凹部３３がキャップ本体Ｂの蓋係合部８に係合することによりヒンジキャップを閉蓋状態にする。 Next, the usage mode and the action and effect of this example will be described.
As shown in FIGS. 2 and 3, the hinge cap of this embodiment is manufactured by integral molding with the lid open, and at that time, a locking claw piece is attached to the lower part of the inner circumference of the band 21 of the sealing ring C. Since 22 protrudes diagonally upward toward the inside, it is forcibly removed when the mold is removed from the mold.
At the time of this forcible removal, the window hole 23 is formed in the circumferential direction along the upper portion where the locking claw piece 22 is projected on the band 21, so that the locking claw piece 22 is directed downward. It becomes easy to deform and it becomes easy to release from the mold.
Next, in order to attach the hinge cap of this embodiment to the container body A, first, from the opened state manufactured by integral molding, the lid D is rotated around the hinge E and covered with the cap body B. Pressing from above, the engaging recess 33 of the lid D engages with the lid engaging portion 8 of the cap body B to close the hinge cap.

その後、図１に示すように、キャップ本体Ｂのねじ部１１を内容物が充填された容器本体Ａの口筒部１に形成されたねじ２に螺着し、キャップ本体Ｂを螺合方向に回転させていくと、封緘リングＣは、弱化連結片１８および連結部１９によりキャップ本体Ｂに連結され、さらに、スペーサー凸部２４が形成され、キャップ本体Ｂと封緘リングＣの間隔を保持しているので、キャップ本体Ｂとともに下降していく。
その際に、帯体２１の内周に形成された傾斜面２１ｃの下部から突設された係止爪片２２は、口筒部１のねじ２に接するようになり、さらにキャップ本体Ｂをねじ込んでいくと、係止爪片２２は、その弾性変形によってねじ２を乗り越えていこうとするために、帯体２１を外側に広げるように力が働き、帯体２１に接続された接続片２０には引っ張り力が働く。 After that, as shown in FIG. 1, the screw portion 11 of the cap main body B is screwed to the screw 2 formed in the mouth cylinder portion 1 of the container main body A filled with the contents, and the cap main body B is screwed in the screwing direction. As it is rotated, the sealing ring C is connected to the cap body B by the weakened connecting piece 18 and the connecting portion 19, and further, the spacer convex portion 24 is formed to maintain the distance between the cap body B and the sealing ring C. Therefore, it descends together with the cap body B.
At that time, the locking claw piece 22 projecting from the lower portion of the inclined surface 21c formed on the inner circumference of the band 21 comes into contact with the screw 2 of the mouthpiece portion 1, and the cap body B is further screwed in. Then, in order for the locking claw piece 22 to try to get over the screw 2 due to its elastic deformation, a force acts to spread the band 21 outward, and the connecting piece 20 connected to the band 21 exerts a force. Has a pulling force.

しかしながら、帯体２１には、係止爪片２２が突設された上部に沿って、窓孔２３が周方向に形成されているので、係止爪片２２は、外側に変形しようとして、窓孔２３の下縁部２３ａに図１（ｂ）でみて反時計方向に回転させようとする力（回転モーメント）が働き、帯体２１が外側に広がろうとするのを抑制することができ、接続片２０は、容器本体Ａへの装着時に破断するようなことがない。 However, since the window hole 23 is formed in the circumferential direction in the band 21 along the upper portion where the locking claw piece 22 is projected, the locking claw piece 22 tries to deform outward and is a window. A force (rotational moment) that tries to rotate counterclockwise as seen in FIG. 1B acts on the lower edge portion 23a of the hole 23, and it is possible to suppress the band 21 from spreading outward. The connection piece 20 does not break when attached to the container body A.

その後、キャップ本体Ｂが所定高さまで下降すると、封緘リングＣの内周下部に設けられた係止爪片２２は、口筒部１の係止突条３に接するようになり、さらにキャップ本体Ｂをねじ込んでいくと、係止爪片２２は、前述のねじ２と同様にして乗り越えることができる。
さらに、キャップ本体Ｂをねじ込んでいくと、係止爪片２２は、係止突条３の下面に係合し、ヒンジキャップの容器本体Ａへの装着が完了する。 After that, when the cap body B descends to a predetermined height, the locking claw piece 22 provided at the lower inner circumference of the sealing ring C comes into contact with the locking ridge 3 of the mouthpiece portion 1, and further, the cap body B comes into contact with the locking ridge 3. The locking claw piece 22 can be overcome in the same manner as the above-mentioned screw 2 by screwing in.
Further, as the cap body B is screwed in, the locking claw piece 22 engages with the lower surface of the locking ridge 3, and the attachment of the hinge cap to the container body A is completed.

この際、ヒンジキャップが装着された口筒部１の上面は、上壁部７の下面に当接し、ねじ２が形成されていない口筒部１の内周にシール部１３が嵌合することにより容器内部が密封される。
ヒンジキャップの容器本体Ａへの装着が完了すると、ヒンジキャップの抜栓前に、不正にキャップ本体Ｂが開封されると、ヒンジキャップは、封緘リングＣとキャップ本体Ｂを連結する弱化連結片１８と、封緘リングＣの帯体２１を接続する接続片２０とが破断し、キャップ本体Ｂの不正開封を視認することができる。 At this time, the upper surface of the mouth cylinder portion 1 to which the hinge cap is attached abuts on the lower surface of the upper wall portion 7, and the seal portion 13 is fitted to the inner circumference of the mouth cylinder portion 1 in which the screw 2 is not formed. Seals the inside of the container.
When the hinge cap is attached to the container body A and the cap body B is illegally opened before the hinge cap is unplugged, the hinge cap becomes a weakened connecting piece 18 that connects the sealing ring C and the cap body B. , The connection piece 20 connecting the band 21 of the sealing ring C is broken, and the unauthorized opening of the cap body B can be visually recognized.

本実施例のヒンジキャップが装着された容器を使用するには、蓋体Ｄの指掛け部３４を持ち上げ、ヒンジＥを中心に回動して開蓋した後、プルリング１６を把持して引き上げると、薄肉弱化部１４が破断して除去部１５が隔壁１０から分離され、注出口を開口する。
注出口が開口された容器をヒンジＥと反対方向に傾ければ、容器内に充填された内容物は、注出口を通って注出筒９に案内され、必要な量を注出することができる。
使用後は、蓋体ＤをヒンジＥを中心に回動して、係合凹部３３をキャップ本体Ｂの蓋係合部８に嵌合すれば再び閉蓋状態となり、このとき、密封筒３２の外周が注出筒９の内周に係合して、容器内を密封する。 In order to use the container to which the hinge cap of this embodiment is attached, the finger hook portion 34 of the lid D is lifted, rotated around the hinge E to open the lid, and then the pull ring 16 is grasped and pulled up. The thin-walled weakened portion 14 is broken, the removed portion 15 is separated from the partition wall 10, and the spout is opened.
If the container with the spout opened is tilted in the direction opposite to the hinge E, the contents filled in the container are guided to the spout tube 9 through the spout, and the required amount can be poured. can.
After use, if the lid D is rotated around the hinge E and the engaging recess 33 is fitted to the lid engaging portion 8 of the cap body B, the lid is closed again. At this time, the sealing cylinder 32 The outer circumference engages with the inner circumference of the pouring cylinder 9 to seal the inside of the container.

次に、容器内に充填された内容物を使い終わって容器を廃棄する際に、容器本体Ａに装着されたヒンジキャップのキャップ本体Ｂを初めて開封するときの態様について説明する。
キャップ本体Ｂの外周筒部６に形成されたローレット１２に指を掛けて螺脱方向に回転していくと、キャップ本体Ｂが上昇していくのに対して、封緘リングＣは、帯体２１の係止爪片２２が口筒部１に形成された係止突条３の下面に係合しているため、上昇が阻止される。
その際に、キャップ本体Ｂの回転によって生じる摩擦抵抗力に抗して、さらにキャップ本体Ｂを回転させていくと、摩擦力の増大によって帯体２１に延びが発生し、接続片２０には上下の引っ張り力に加えて、剪断力も加わるようになり破断する。 Next, an embodiment when the cap body B of the hinge cap attached to the container body A is opened for the first time when the contents filled in the container are used up and the container is discarded will be described.
When a finger is placed on the knurl 12 formed on the outer peripheral cylinder portion 6 of the cap body B and the cap body B is rotated in the screw-off direction, the cap body B rises, whereas the sealing ring C is the band 21. Since the locking claw piece 22 of the above is engaged with the lower surface of the locking ridge 3 formed in the mouth tube portion 1, the ascending is prevented.
At that time, when the cap body B is further rotated against the frictional resistance force generated by the rotation of the cap body B, the band 21 is extended due to the increase in the frictional force, and the connection piece 20 is moved up and down. In addition to the pulling force of, a shearing force is also applied and it breaks.

２箇所の接続片２０が破断すると、帯体２１の螺脱方向側端部２１ａが自由となり、係止爪片２２と係止突条３との係合も解除されるので、以後は、帯状になった封緘リングＣを連結部１９によって連結したままキャップ本体Ｂを回転して、開封することができる。
その後、キャップ本体Ｂは、封緘リングＣと連結した状態で容器本体Ａと分別廃棄することができる。 When the two connecting pieces 20 are broken, the end portion 21a on the side in the threading direction of the band 21 becomes free, and the engagement between the locking claw piece 22 and the locking ridge 3 is also released. The cap body B can be rotated to open the seal while the sealed ring C is connected by the connecting portion 19.
After that, the cap body B can be separately disposed of from the container body A in a state of being connected to the sealing ring C.

このように、本実施例では、封緘付きねじキャップとして、封緘付きねじキャップを装着部とするヒンジキャップについて説明したが、本発明の封緘付きねじキャップは、ヒンジキャップに限らず、ポンプやトリガー付きキャップの装着部として使用することができる。
ポンプやトリガー付きキャップの場合にも、キャップ本体Ｂの開封後は、弱化連結片１８や接続片２０が破断して、ポンプやトリガー付きキャップの外観が開封前と変化するので、不正な開封を視認することができるとともに、キャップ本体Ｂを開封することにより、封緘リングＣと連結された状態で容器本体Ａと分別して廃棄することができる。 As described above, in the present embodiment, the hinge cap having the sealed screw cap as the mounting portion has been described as the sealed screw cap, but the sealed screw cap of the present invention is not limited to the hinge cap but has a pump or a trigger. It can be used as a cap mounting part.
Even in the case of a pump or a cap with a trigger, after opening the cap body B, the weakened connecting piece 18 and the connecting piece 20 are broken, and the appearance of the pump or the cap with a trigger changes from that before opening. It can be visually recognized, and by opening the cap body B, it can be separated from the container body A and discarded in a state of being connected to the sealing ring C.

また、帯体２１には、係止爪片２２が突設された上部に沿って、窓孔２３が形成されているので、係止爪片２２は、外側に変形することにより、窓孔２３の下縁部２３ａに回転しようとする力が働き、帯体２１が外側に広がろうとするのを抑制することができ、ポンプやトリガー付きキャップを容器本体Ａに装着する際に、封緘リングＣが破断してしまうようなことがない。 Further, since the window hole 23 is formed in the band 21 along the upper portion where the locking claw piece 22 is projected, the locking claw piece 22 is deformed to the outside, so that the window hole 23 is formed. A force that tries to rotate acts on the lower edge portion 23a, which can suppress the band 21 from spreading outward, and when the pump or the cap with the trigger is attached to the container body A, the sealing ring C Will not break.

本発明の封緘付きねじキャップは、不正な開封を視認することができるとともに、容器本体に装着する際に、封緘リングが容器口筒部のねじ山や係止突条によって破断するのを防止できるので、飲食料容器や化粧料容器などに使用する不正開封を視認ことが必要な封緘リング付きのねじキャップとして広く利用することができる。 The screw cap with a seal of the present invention can visually recognize an unauthorized opening and can prevent the seal ring from being broken by the thread or the locking ridge of the container mouth tube when it is attached to the container body. Therefore, it can be widely used as a screw cap with a sealing ring that requires visual recognition of unauthorized opening used for food and drink containers and cosmetic containers.

Ａ 容器本体
Ｂ キャップ本体
Ｃ 封緘リング
Ｄ 蓋体
Ｅ ヒンジ
１ 口筒部
２ ねじ
３ 係止突条
４ ネックリング
６ 外周筒部
７ 上壁部
８ 蓋係合部
９ 注出筒
１０ 隔壁
１１ ねじ部
１２ ローレット
１３ シール部
１４ 薄肉弱化部
１５ 除去部
１６ プルリング
１７ 下端面
１８ 弱化連結片
１９ 連結部
２０ 接続片
２１ 帯体
２１ａ 螺脱方向側端部
２１ｂ 螺合方向側端部
２１ｃ 傾斜面
２２ 係止爪片
２３ 窓孔
２３ａ 下縁部
２４ スペーサー凸部
３０ 頂壁
３１ 側周壁
３２ 密封筒
３３ 係合凹部
３４ 指掛け部 A Container body B Cap body C Sealing ring D Closure E Hinge 1 Mouth cylinder 2 Screws 3 Locking ridge 4 Neck ring 6 Outer cylinder 7 Upper wall 8 Lid engagement 9 Injection cylinder 10 Partition 11 Thread 12 Laurette 13 Sealing part 14 Thinning part Weakened part 15 Removing part 16 Pull ring 17 Lower end surface 18 Weakened connecting piece 19 Connecting part 20 Connecting piece 21 Band 21a Threading direction side end 21b Screwing direction side end 21c Inclined surface 22 Locking Claw piece 23 Window hole 23a Lower edge part 24 Spacer convex part 30 Top wall 31 Side peripheral wall 32 Sealing cylinder 33 Engagement recess 34 Finger hook part

Claims (4)

容器本体の口筒部に螺合される装着部としてのキャップ本体と、キャップ本体の下端に、破断可能な弱化連結片を介して連結された封緘リングとを備え、
容器本体の口筒部は、外周に係止突条を備え、
封緘リングは、周方向端部が破断可能な接続片により接続された環状の帯体と、帯体の内周下部の周方向に複数配設され、容器本体の口筒部外周の係止突条と係合する係止爪片と、係止爪片の上部に沿って、帯体に開口されたスリット状の窓孔とを有し、
帯体は、螺合方向側端部付近がキャップ本体の下端と連結された破断不能な連結部を有し、
帯体は、側面視で、連結部と連続してＬ字状をなし、
帯体の周方向端部は、下部を接続片により接続するとともに、上部に間隙を形成し、
窓孔の周方向長さは、少なくとも係止爪片の周方向長さに設定され、
窓孔の下縁部は、屈曲変形可能な長さを有し、
係止爪片は、厚みが一定で内方に向けて斜め上方に突出することを特徴とする封緘付きねじキャップ。 It is equipped with a cap body as a mounting part that is screwed into the mouth tube of the container body, and a sealing ring that is connected to the lower end of the cap body via a breakable weakened connecting piece.
The mouthpiece of the container body has a locking ridge on the outer circumference,
A plurality of sealing rings are arranged in the circumferential direction of the lower part of the inner circumference of the annular band body connected by a connecting piece whose circumferential end is breakable, and the locking protrusion on the outer periphery of the mouthpiece of the container body. It has a locking claw piece that engages the strip and a slit-shaped window hole opened in the band along the upper part of the locking claw piece.
The band body has an inbreakable connecting portion in which the vicinity of the end on the side in the screwing direction is connected to the lower end of the cap body.
The band is L-shaped continuously with the connecting part in the side view.
At the circumferential end of the band, the lower part is connected by a connecting piece and a gap is formed in the upper part.
The circumferential length of the window hole is set to at least the circumferential length of the locking claw piece.
The lower edge of the window hole has a length that can be bent and deformed.
The locking claw piece is a screw cap with a seal that has a constant thickness and protrudes diagonally upward toward the inside. 帯体は、キャップ本体の径方向に対向する位置で連結された２箇所の連結部から螺脱方向に延びて、それぞれ他方の周方向端部に接続片を介して接続されることを特徴とする請求項１に記載の封緘付きねじキャップ。 The band is characterized in that it extends in the screwing direction from two connecting portions connected at positions facing each other in the radial direction of the cap body, and is connected to the other peripheral end portion via a connecting piece. The screw cap with a seal according to claim 1. 封緘リングは、連結部から離れた帯体の上面に、キャップ本体の下端と近接するスペーサー凸部を有することを特徴とする請求項１または２に記載の封緘付きねじキャップ。 The screw cap with a seal according to claim 1 or 2, wherein the sealing ring has a spacer convex portion adjacent to the lower end of the cap body on the upper surface of the band body away from the connecting portion. キャップ本体は、さらに、ヒンジを介して連設された蓋体を備える ことを特徴とする請求項１～３のいずれかに記載の封緘付きねじキャップ。 The cap body further comprises a lid serialized via a hinge. The sealed screw cap according to any one of claims 1 to 3.
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