JP2003128101A - Synthetic resin vessel lid - Google Patents
Synthetic resin vessel lidInfo
- Publication number
- JP2003128101A JP2003128101A JP2001317732A JP2001317732A JP2003128101A JP 2003128101 A JP2003128101 A JP 2003128101A JP 2001317732 A JP2001317732 A JP 2001317732A JP 2001317732 A JP2001317732 A JP 2001317732A JP 2003128101 A JP2003128101 A JP 2003128101A
- Authority
- JP
- Japan
- Prior art keywords
- wall
- mouth
- neck
- outer lid
- container
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
Landscapes
- Closures For Containers (AREA)
Abstract
Description
【０００１】[0001]
【発明の属する技術分野】本発明は、上面が開口された
略円筒状の口頸部を有し、この口頸部の外周面には雄螺
条とかかる雄螺条の下方に位置する係止手段が配設され
ている形態の容器に適用される、口頸部をシールするた
めの栓体と口頸部からの栓体の離脱を防止するための外
側蓋体とから構成された容器蓋に関する。BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention has a substantially cylindrical mouth-neck portion having an open upper surface, and a male thread is provided on an outer peripheral surface of the mouth-neck portion and a member located below the male thread. A container composed of a stopper for sealing the mouth and neck and an outer lid for preventing the stopper from being detached from the mouth and neck, which is applied to a container having a stopper. Regarding the lid.
【０００２】[0002]
【従来の技術】飲料等のための容器として、ポリエチレ
ンテレフタレートの如き合成樹脂或いはガラスから形成
された容器が使用されている。かかる容器は上面が開口
された略円筒状の口頸部を有し、口頸部の外周面には雄
螺条とこの雄螺条の下方に位置する係止手段が配設され
ている。かような容器のための容器蓋として、実開昭６
３−５２７５８号公報、特公平１１−１１４２３８号公
報及び特許第２６２０５５４号公報には、栓体と外側蓋
体とから構成された容器蓋が開示されている。栓体は円
形天面壁とこの天面壁の周縁から若干の長さだけ垂下す
るスカート壁とを有する金属製本体と、この金属製本体
の内面所要部位、即ち天面壁とスカート壁との境界部位
に施された合成樹脂製シールとから構成されている。外
側蓋体はポリエチレン、ポリプロピレンの如き適宜の合
成樹脂から形成されており、環状壁とこの環状壁の周縁
から比較的長く垂下するスカート壁とを有する。スカー
ト壁には周方向に延びる周方向破断ラインが形成されて
おり、スカート壁は周方向破断ラインよりも上方の主部
と周方向破断ラインよりも下方のタンパーエビデント裾
部とに区画されている。スカート壁の主部の内周面には
雌螺条が形成されており、タンパーエビデント裾部の内
周面には係合手段が配設されている。2. Description of the Related Art As containers for beverages, containers made of synthetic resin such as polyethylene terephthalate or glass are used. Such a container has a substantially cylindrical mouth-neck portion having an open upper surface, and a male thread and a locking means located below the male thread are arranged on the outer peripheral surface of the mouth-neck portion. As a container lid for such a container, Shokai 6
3-52758, Japanese Examined Patent Publication No. 11-114238 and Japanese Patent No. 2620554 disclose a container lid including a stopper and an outer lid. The plug body is a metal main body having a circular top wall and a skirt wall that is suspended from the peripheral edge of the top wall by a slight length, and an inner surface required portion of the metal main body, that is, a boundary portion between the top wall and the skirt wall. It is composed of the applied synthetic resin seal. The outer lid is made of a suitable synthetic resin such as polyethylene or polypropylene, and has an annular wall and a skirt wall that hangs relatively long from the peripheral edge of the annular wall. A circumferential rupture line extending in the circumferential direction is formed on the skirt wall, and the skirt wall is divided into a main portion above the circumferential rupture line and a tamper-evidence hem below the circumferential rupture line. There is. A female thread is formed on the inner peripheral surface of the main portion of the skirt wall, and an engagement means is arranged on the inner peripheral surface of the tamper-evident skirt.
【０００３】栓体は容器の口頸部の上面に被嵌され、口
頸部をシールする。外側蓋体は、その環状壁が栓体の天
面壁の周縁部上に位置せしめられ、そのスカート壁の主
部に形成されている雌螺条が口頸部の雄螺条に螺合さ
れ、タンパーエビデント裾部に形成されている係合手段
は口頸部の係止手段に係合せしめられ、かくして口頸部
からの栓体の離脱を防止する。口頸部を開封する際に
は、外側蓋体を開方向に回転せしめて、外側蓋体の雌螺
条と口頸部の雄螺条との螺合を漸次解除する。かくする
とスカート壁は上昇せんとするがタンパーエビデント裾
部は係合手段が口頸部の係止手段に係合せしめられてい
る故に上昇が阻止され、従って周方向破断ラインに相当
な応力が生成されて周方向破断ラインが破断され、タン
パーエビデント裾部がスカート壁の主部から分離される
（或いはタンパーエビデント裾部に軸線方向破断ライン
が形成されている場合には、周方向破断ラインは一部を
残して破断され、タンパーエビデントの軸線方向破断ラ
インが破断されてタンパーエビデント裾部が無端環状か
ら帯状片に展開される）。しかる後においては、分離さ
れたタンパーエビデント裾部を残留せしめて（或いは破
断されることなく残留せしめられた周方向破断ラインの
一部を介してスカート壁の主部に接続されているタンパ
ーエビデント裾部を付随せしめて）外側蓋体が上昇せし
められる。そして、外側蓋体が所定量上昇せしめられる
と、外側蓋体の雌螺条或いは別個に形成された連動突条
が栓体のスカート壁の下端に当接せしめられる。外側蓋
体が更に上昇せしめられると、外側蓋体の上昇に付随し
て栓体も上昇せしめられ、容器蓋全体が口頸部から離脱
されて口頸部が開封される。The stopper is fitted on the upper surface of the mouth and neck of the container to seal the mouth and neck. The outer lid has its annular wall positioned on the peripheral edge of the top wall of the plug, and the female thread formed on the main part of the skirt wall is screwed onto the male thread of the mouth and neck, The engagement means formed on the tamper-evidence skirt engages with the locking means of the mouth and neck, thus preventing disengagement of the plug from the mouth and neck. When opening the mouth / neck part, the outer lid is rotated in the opening direction to gradually release the screw engagement between the female thread of the outer lid and the male thread of the mouth / neck. This prevents the skirt wall from rising, but prevents the tamper-evidence hem from rising because the engaging means is engaged with the locking means of the mouth and neck, and therefore a considerable stress is applied to the circumferential break line. Generated to break the circumferential break line and separate the tamper-evidence skirt from the main part of the skirt wall (or circumferential break if a tamper-evident skirt has an axial break line). The line is broken leaving a part, the axial rupture line of the tamper evidence is broken and the tamper evidence hem is developed from an endless ring into a strip). After that, the separated tamper shrimp skirts are left behind (or tamper shrimp connected to the main part of the skirt wall through a part of the circumferential break line left without breaking). The outer lid is raised (with the dent hem attached). Then, when the outer lid is raised by a predetermined amount, the female thread of the outer lid or a separately formed interlocking projection is brought into contact with the lower end of the skirt wall of the plug. When the outer lid is further raised, the stopper is also raised in association with the rise of the outer lid, the entire container lid is separated from the mouth and neck, and the mouth and neck is opened.
【０００４】栓体と外側蓋体とから構成されている上述
した従来の容器蓋は、天面壁とこの天面壁の周縁から垂
下するスカート壁とが一体に形成された通常形態の容器
蓋に比べて、（１）口頸部の開封操作初期においては外
側蓋体は回転せしめられるが栓体は回転せしめられるこ
とはなく、従って口頸部に密接せしめられている栓体を
回転せしめることに起因して開封初期の必要トルクが過
大になることがない、（２）外側蓋体に形成されている
周方向破断ラインが破断されて外側蓋体が所定量上昇せ
しめられた後に栓体の上昇が開始される故に、周方向破
断ラインが破断されることなく口頸部の密封が解除され
ることがなく、従って悪戯によって或いは偶発的に容器
蓋が幾分回転せしめられて口頸部の密封が解除されたに
もかかわらず、周方向破断ラインが破断されることなく
維持されてタンパーエビデント特性が毀損されてしまう
ことがない、という利点を有する。The above-mentioned conventional container lid composed of a stopper and an outer lid is more than a conventional container lid in which a top wall and a skirt wall hanging down from the peripheral edge of the top wall are integrally formed. (1) In the initial opening operation of the mouth and neck, the outer lid is rotated, but the plug is not rotated. Therefore, it is caused by rotating the plug closely attached to the mouth and neck. Therefore, the required torque in the initial stage of opening does not become excessive. (2) The circumferential breaking line formed on the outer lid is broken and the outer lid is lifted by a predetermined amount, and then the plug is raised. Since it is started, the sealing of the mouth and neck is not released without breaking the circumferential break line, and therefore the container lid is rotated somewhat by mischief or accidentally to seal the mouth and neck. Zhou despite being released Never tamper evident properties are maintained without countercurrent breaking line is broken from being damaged, has the advantage that.
【０００５】[0005]
【発明が解決しようとする課題】然るに、栓体と外側蓋
体とから構成されている上述した従来の容器蓋も未だ充
分に満足し得るものではなく、次のとおりの解決すべき
問題を有する。栓体が金属製本体とかかる本体の内面に
施された合成樹脂製シールとから形成されている故に、
製作工程が比較的複雑になり製作コストが比較的高価で
ある。また、内容物を充填した容器の口頸部に容器蓋を
装着した後に、口頸部に漏出した内容部を洗い流すため
に、容器蓋に形成された洗浄液流入孔を通して口頸部の
外周面に洗浄液を作用せしめることが望まれることが少
なくないが、栓体の金属製本体におけるスカート壁の自
由端は金属板を切断することによって規定された状態で
ある等に起因して、洗浄液を使用すると栓体の金属製本
体に錆が発生する傾向がある。However, the above-mentioned conventional container lid composed of the plug body and the outer lid body is not yet fully satisfactory, and has the following problems to be solved. . Since the plug body is made of a metal body and a synthetic resin seal applied to the inner surface of the body,
The manufacturing process is relatively complicated and the manufacturing cost is relatively high. In addition, after attaching the container lid to the mouth and neck of the container filled with the contents, in order to wash away the leaked content in the mouth and neck, the washing liquid inflow hole formed in the container lid is used to clean the outer surface of the mouth and neck. Although it is often desired to apply the cleaning liquid, when the cleaning liquid is used because the free end of the skirt wall in the metal body of the stopper is in the state specified by cutting the metal plate, etc. The metal body of the plug tends to rust.
【０００６】本発明は上記事実に鑑みてなされたもので
あり、その主たる技術的課題は、栓体と外側蓋体とから
構成された従来の容器蓋における上述した利点、即ち開
封初期の必要トルクが過大になることがなく、そしてま
たタンパーエビデント特性が毀損されることが確実に防
止されるという利点を維持しながら、従来の容器蓋にお
ける上述したとおりの問題を解決、即ち充分安価に製作
することができ、そしてまた洗浄液を使用しても錆が発
生することがない、新規且つ改良された容器蓋を提供す
ることである。The present invention has been made in view of the above facts, and its main technical problem is to provide the above-described advantages of the conventional container lid including the stopper and the outer lid, that is, the required torque at the initial stage of opening. Solves the above-mentioned problems with conventional container lids, i.e., is sufficiently inexpensive to manufacture, while maintaining the advantage that it does not become too large and that tamper-evidence properties are not impaired. It is also possible to provide a new and improved container lid, which can be made free of rust even when a cleaning liquid is used.
【０００７】本発明の他の技術的課題は、上記主たる技
術的課題の達成に加えて、口頸部に容器蓋を装着した後
に容器蓋に洗浄液を噴射することによって、口頸部の外
周面に充分な量の洗浄液を流動せしめることができる、
新規且つ改良された容器蓋を提供することである。[0007] Another technical problem of the present invention is that, in addition to the achievement of the above-mentioned main technical problem, the outer peripheral surface of the mouth / neck part is obtained by spraying a cleaning liquid on the container cover after mounting the container cover on the mouth / neck part. It is possible to flow a sufficient amount of cleaning liquid,
It is to provide a new and improved container lid.
【０００８】本発明の更に他の技術的課題は、上記主た
る技術的課題の達成に加えて、栓体と外側蓋体とから構
成されているにもかかわらず、容器蓋の上面に外観等の
点から望ましくない段差が存在しない、新規且つ改良さ
れた容器蓋を提供することである。Still another technical problem of the present invention is that, in addition to the achievement of the above-mentioned main technical problems, in addition to the appearance of the upper surface of the container lid, it is composed of a stopper and an outer lid. It is an object of the present invention to provide a new and improved container lid that is free of undesirable steps.
【０００９】[0009]
【課題を解決するための手段】本発明によれば、上記主
たる技術的課題を達成するために、外側蓋体を合成樹脂
から形成すると共に、栓体も合成樹脂から構成する。即
ち、本発明によれば、上記主たる技術的課題を解決する
ための容器蓋として、上面が開口された略円筒状の口頸
部を有し、該口頸部の外周面には雄螺条と該雄螺条の下
方に位置する係止手段が配設されている容器のための合
成樹脂製容器蓋にして、容器の口頸部をシールするため
の合成樹脂製栓体と、容器の口頸部からの該栓体の離脱
を防止するための合成樹脂製外側蓋体とから構成され、
該栓体は容器の口頸部の頂面を覆う天面壁を有し、該外
側蓋体は該栓体の該天面壁の上面の外周縁部を覆う環状
壁と、該環状壁の周縁から垂下する筒状スカート壁とを
有し、該スカート壁には周方向に延びる周方向破断ライ
ンが形成されており、該スカート壁は該周方向破断ライ
ンよりの上方の主部と該周方向破断ラインよりも下方の
タンパーエビデント裾部とに区画されており、該主部の
内周面には該雄螺条に螺合せしめられる雌螺条が形成さ
れ、該タンパーエビデント裾部の内周面には該係止手段
に係合せしめられる係合手段が形成されている、ことを
特徴とする合成樹脂製容器蓋が提供される。According to the present invention, in order to achieve the above main technical problem, the outer lid is made of synthetic resin and the plug is made of synthetic resin. That is, according to the present invention, as a container lid for solving the above-mentioned main technical problems, it has a substantially cylindrical mouth-neck portion having an open upper surface, and a male thread is provided on the outer peripheral surface of the mouth-neck portion. And a synthetic resin container lid for a container in which locking means located below the male thread is disposed, and a synthetic resin plug for sealing the mouth and neck of the container, and And a synthetic resin outer lid for preventing the stopper from coming off the mouth and neck,
The stopper has a top wall that covers the top surface of the mouth and neck of the container, and the outer lid has an annular wall that covers the outer peripheral edge of the upper surface of the top wall of the stopper, and a peripheral edge of the annular wall. A circumferential rupture line extending in the circumferential direction is formed on the skirt wall, and the skirt wall has a main portion above the circumferential rupture line and the circumferential rupture line. The tamper-evidence skirt is divided into a tamper-evidence skirt below the line, and a female thread to be screwed into the male thread is formed on the inner peripheral surface of the main part. Provided is a synthetic resin container lid, characterized in that an engaging means for engaging with the engaging means is formed on the peripheral surface.
【００１０】上記更に他の技術的課題を達成する容器蓋
においては、該栓体の該天面壁は円形であり、該天面壁
の上面は実質上平坦な円形中央主部と該中央主部の周縁
から下方に延びる段差部と該段差部から半径方向外方に
延びる環状フランジ部とを含み、該外側蓋体の該環状壁
は、該栓体の該天面壁の上面における該環状フランジ部
上に位置せしめられ、該環状壁の上面は実質上平坦で該
栓体の該天面壁の上面における該中央主部と略同一平面
をなす。好ましくは、該外側蓋体の該環状壁の下面又は
該栓体の該天面壁の上面における該環状フランジ部には
周方向に延びるリブが形成されており、該外側蓋体の該
環状壁の下面と該栓体の該天面壁の上面における該環状
フランジ部とは該リブを介して接触せしめられる。上記
他の技術的課題を達成する容器蓋においては、該外側蓋
体の該環状壁の内周面及び下面又は該栓体の該天面壁の
上面における該段差部及び該環状フランジ部には、周方
向に間隔をおいて下方に次いで半径方向外方に延びる複
数個の溝が形成されている。好適実施形態においては、
該栓体の該天面壁の下面は上面における該円形中央主部
に対応する円形中央主部と上面における該環状フランジ
部に対応する環状フランジ部とを含み、該円形中央主部
は該環状フランジ部よりも上方に位置し、そして該天面
壁の下面における該円形中央主部と該環状フランジ部と
の境界部から垂下する円筒形状のシール壁が配設されて
おり、該天面壁の下面における該円形中央主部には該シ
ール壁の基部まで延びる複数個の放射状補強突条が形成
されており、該シール壁は該口頸部内に進入せしめら
れ、該シール壁の外周面が該口頸部の内周面に密接せし
められる。該栓体の該天面壁は該口頸部の上面外周縁を
越えて半径方向外方に延出せしめられており、該外側蓋
体の該スカート壁における該主部の上端部には半径方向
内方に突出する連動突条が配設されており、該栓体及び
該外側蓋体が該口頸部に装着された状態において該連動
突条の上面は該天面壁の外周縁部の下面よりも２．０乃
至５．０ｍｍ下方に位置し、該外側蓋体が開方向に回転
せしめられ、該周方向破断ラインが破断され、次いで該
外側蓋体の該スカート壁の該主部が上昇せしめられるこ
とによって該連動突条が該天面壁の外周縁部の下面に当
接せしめられ、しかる後に該スカート壁の該主部の上昇
に連動して該栓体が上昇せしめられる。In the container lid for achieving the above-mentioned other technical problem, the top wall of the stopper is circular, and the top surface of the top wall is a substantially flat circular central main portion and the central main portion. A step portion extending downward from the peripheral edge and an annular flange portion extending radially outward from the step portion, wherein the annular wall of the outer lid body is on the annular flange portion on the upper surface of the top wall of the plug body. And the top surface of the annular wall is substantially flat and substantially flush with the central main portion of the top surface of the top wall of the plug. Preferably, a rib extending in the circumferential direction is formed on the annular flange portion on the lower surface of the annular wall of the outer lid or the upper surface of the top wall of the stopper, and the annular wall of the outer lid is formed. The lower surface and the annular flange portion on the upper surface of the top wall of the plug are brought into contact with each other via the rib. In the container lid that achieves the other technical problem, the stepped portion and the annular flange portion on the inner peripheral surface and the lower surface of the annular wall of the outer lid body or the upper surface of the top wall of the plug body, A plurality of grooves are formed at intervals in the circumferential direction and extend downward in the radial direction and then outward. In the preferred embodiment,
The lower surface of the top wall of the stopper includes a circular central main portion corresponding to the circular central main portion on the upper surface and an annular flange portion corresponding to the annular flange portion on the upper surface, the circular central main portion being the annular flange. A cylindrical seal wall is disposed above the top wall and hangs down from the boundary between the circular central main portion and the annular flange portion on the lower surface of the ceiling wall. The circular central main part is formed with a plurality of radial reinforcing ridges extending to the base of the seal wall, the seal wall is made to enter into the neck of the mouth, and the outer peripheral surface of the seal wall is It is closely attached to the inner surface of the neck. The top wall of the plug extends radially outward beyond the outer peripheral edge of the upper surface of the mouth and neck, and the upper end of the main portion of the skirt wall of the outer lid has a radial direction. An interlocking ridge protruding inward is provided, and an upper surface of the interlocking ridge is a lower surface of an outer peripheral edge portion of the top wall in a state where the plug body and the outer lid body are attached to the mouth and neck. 2.0 to 5.0 mm below the outer lid, the outer lid is rotated in the opening direction, the circumferential break line is broken, and then the main portion of the skirt wall of the outer lid rises. By being urged, the interlocking ridge is brought into contact with the lower surface of the outer peripheral edge portion of the top wall, and then the plug is raised in conjunction with the elevation of the main portion of the skirt wall.
【００１１】[0011]
【発明の実施の形態】以下、本発明に従って構成された
容器蓋の好適実施形態を図示している添付図面を参照し
て、更に詳細に説明する。BRIEF DESCRIPTION OF THE DRAWINGS In the following, a more detailed description will be given with reference to the accompanying drawings, which illustrate preferred embodiments of container lids constructed according to the present invention.
【００１２】図１には、本発明に従って構成された容器
蓋の好適実施形態が図示されている。全体を番号２で示
す容器蓋は、栓体４と外側蓋体６とから構成されてい
る。この容器蓋２においては、外側蓋体６のみならず栓
体４も全体がポリエチレン又はポリプロピレンの如き適
宜の合成樹脂によって形成されている。FIG. 1 illustrates a preferred embodiment of a container lid constructed in accordance with the present invention. The container lid, generally designated by reference numeral 2, is composed of a plug body 4 and an outer lid body 6. In this container lid 2, not only the outer lid 6 but also the plug 4 is entirely formed of a suitable synthetic resin such as polyethylene or polypropylene.
【００１３】図１と共に図２及び図３を参照して説明す
ると、栓体４は円形天面壁８を有する。かかる天面壁８
の上面は、図１及び図２に図示する如く、実質上平坦な
円形中央主部１０、中央主部１０の周縁から下方に向か
って半径方向外側に若干傾斜して延びる円錐台筒状段差
部１２、及び段差部１２から半径方向外方に延びる環状
フランジ部１４を有する。環状フランジ部１４自体に
も、その半径方向中間部に段差が形成されており、環状
フランジ部１４の半径方向内側領域１４ａは半径方向外
側領域１４ｂよりも幾分上方に位置せしめられている。
栓体４の天面壁８の下面は、図１及び図３を参照するこ
とによって理解される如く、上面における中央主部１０
に対応する円形中央主部１６、及び上面におけるフラン
ジ部１４に対応する環状フランジ部１８を有し、円形中
央主部１６は環状フランジ部１８よりも幾分上方に位置
せしめられている。栓体４の天面壁８の下面には、中央
主部１６と環状フランジ部１８との境界部から下方に垂
下する円筒形状のシール壁２０が形成されている。かか
るシール壁２０の外周面下部には環状シール突条２１が
形成されており、かかるシール突条２１よりも下方の下
端部は下方に向かって外径が漸次減少せしめられている
逆円錐台形状である。天面壁８の下面における中央主部
１６には、その中心からシール壁２０の基部まで延びる
複数個の放射状補強突条２２が形成されている。天面壁
８の下面における環状フランジ部１８の半径方向中間部
には周方向に連続して延びるリブ２４が形成されてい
る。Referring to FIGS. 2 and 3 together with FIG. 1, the plug 4 has a circular top wall 8. Such top wall 8
As shown in FIGS. 1 and 2, the upper surface of the circular main body 10 is a substantially flat circular central portion, and a frusto-conical cylindrical step portion extending downward from the peripheral edge of the central main portion 10 slightly outward in the radial direction. 12 and an annular flange portion 14 extending radially outward from the step portion 12. The annular flange portion 14 itself also has a step formed in the radial middle portion thereof, and the radially inner area 14a of the annular flange portion 14 is located slightly above the radially outer area 14b.
The lower surface of the top wall 8 of the stopper 4 has a central main portion 10 on the upper surface, as will be understood by referring to FIGS. 1 and 3.
Has a circular central main portion 16 and an annular flange portion 18 corresponding to the flange portion 14 on the upper surface, and the circular central main portion 16 is positioned slightly above the annular flange portion 18. On the lower surface of the top wall 8 of the plug body 4, a cylindrical seal wall 20 is formed that hangs downward from a boundary portion between the central main portion 16 and the annular flange portion 18. An annular seal ridge 21 is formed on the lower portion of the outer peripheral surface of the seal wall 20, and the lower end portion below the seal ridge 21 has an inverted frustoconical shape in which the outer diameter is gradually reduced downward. Is. A plurality of radial reinforcing ridges 22 extending from the center of the central main portion 16 on the lower surface of the top wall 8 to the base of the seal wall 20 are formed. A rib 24 continuously extending in the circumferential direction is formed on the lower surface of the top surface wall 8 at an intermediate portion in the radial direction of the annular flange portion 18.
【００１４】図１と共に図４及び図５を参照して説明を
続けると、外側蓋体６は、環状壁２６とこの環状壁２６
の周縁から垂下する筒状スカート壁２８とを有する。環
状壁２６の内径は上記栓体４の天面壁８の上面における
中央主部１０の外径と実質上同一である。外側蓋体６に
おける環状壁２６の、内周面及び下面には、図１及び図
５を参照することによって理解される如く、周方向に間
隔をおいて下方に次いで半径方向外方に延びる複数個
（図示の場合６個）の洗浄液流入用溝３０が形成されて
いる。また、外側蓋体６の環状壁２６の下面には、半径
方向中間部に周方向に延びるリブ３２が形成されてお
り、かかるリブ３２は洗浄液流入用溝３０が位置する部
位においては切り欠かれている。Continuing the description with reference to FIGS. 4 and 5 together with FIG. 1, the outer lid body 6 includes an annular wall 26 and the annular wall 26.
And a cylindrical skirt wall 28 that hangs from the peripheral edge of the. The inner diameter of the annular wall 26 is substantially the same as the outer diameter of the central main portion 10 on the upper surface of the top wall 8 of the plug body 4. The inner peripheral surface and the lower surface of the annular wall 26 of the outer lid 6 have a plurality of circumferentially spaced downwardly extending radially outwards, as will be understood by reference to FIGS. The number of cleaning liquid inflow grooves 30 (six in the illustrated case) is formed. Further, on the lower surface of the annular wall 26 of the outer lid body 6, a rib 32 extending in the circumferential direction is formed in the middle portion in the radial direction, and the rib 32 is notched at the portion where the cleaning liquid inflow groove 30 is located. ing.
【００１５】図１を参照して説明を続けると、スカート
壁２８には周方向に延びる周方向破断ライン３４が形成
されており、かかる周方向破断ライン３４によってスカ
ート壁２８は周方向破断ライン３４よりも上方の主部３
６と、周方向破断ライン３４よりも下方のタンパーエビ
デント裾部３８とに区画されている。スカート壁２８の
内周面には下方を向いた環状肩面４０が形成されてお
り、そしてかかる環状肩面４０から下方に延びる突条４
２が周方向に適宜の間隔をおいて複数個形成されてい
る。周方破断ライン３４は、突条４２の軸方向中間部に
おいて、スカート壁２８の外周面から切断刀（図示して
いない）を作用せしめ、突条４２の少なくとも一部を残
留せしめてスカート壁２８を切断することによって形成
される。突条４２の各々の切断されることなく残留せし
められた部分が所謂橋絡部４４を構成し、タンパーエビ
デント裾部３８は橋絡部４４を介してスカート壁２８の
主部３６に接続されている。Continuing with reference to FIG. 1, the skirt wall 28 is formed with a circumferential break line 34 extending in the circumferential direction, and the circumferential break line 34 causes the skirt wall 28 to break circumferentially. Main part 3 above
6 and a tamper-evidence skirt 38 below the circumferential break line 34. A downwardly facing annular shoulder surface 40 is formed on the inner peripheral surface of the skirt wall 28, and the ridge 4 extending downward from the annular shoulder surface 40.
A plurality of 2 are formed at appropriate intervals in the circumferential direction. The circumferential break line 34 causes a cutting knife (not shown) to act from the outer peripheral surface of the skirt wall 28 at the axially intermediate portion of the ridge 42 so that at least a part of the ridge 42 remains. Is formed by cutting. Each portion of the ridges 42 left uncut constitutes a so-called bridge portion 44, and the tamper-evidence skirt 38 is connected to the main portion 36 of the skirt wall 28 via the bridge portion 44. ing.
【００１６】スカート壁２８の主部３６の外周面には、
その下端部近傍に、下方に向かって外径が漸次増大する
円錐台形状部４６が形成されている。スカート壁２８の
主部３６の下端部（即ち円錐台形状部４６よりも下方の
部分）及びこれに続くタンパーエビデント裾部３８の外
周面も、下方に向かって外径が若干ではあるが漸次増大
する円錐台形状にせしめられている。主部３６の外周面
における円錐台形状部４６よりも上方の部分には、そこ
に掛けられる指の滑りを防止するための凹凸形状４８が
形成されている。On the outer peripheral surface of the main portion 36 of the skirt wall 28,
A frustoconical portion 46 having an outer diameter gradually increasing downward is formed near the lower end thereof. The lower end portion of the main portion 36 of the skirt wall 28 (that is, the portion below the truncated cone-shaped portion 46) and the outer peripheral surface of the tamper-evidence skirt portion 38 that follows the lower portion also gradually decrease in outer diameter, but gradually. It is shaped like an increasing truncated cone. On the outer peripheral surface of the main portion 36 above the frustoconical portion 46, an uneven shape 48 is formed to prevent slippage of a finger hung there.
【００１７】スカート壁２８の主部３６における上端部
の内径は上記栓体４の天面壁８の外径より若干大きくせ
しめられており、外側蓋体６のスカート壁２８における
内周面と栓体４の天面壁８における外周縁との間には若
干の隙間が形成されている。スカート壁２８の主部３６
の内周面には雌螺条５０が形成されており、この雌螺条
５０には周方向に間隔をおいて軸線方向に延びる切欠５
２が形成されている。かかる切欠５２は容器の口頸部が
開封される際の所謂通気路を構成する。スカート壁２８
の主部３６の上端部内周面、更に詳しくはスカート壁２
８の主部３６の内周面おける雌螺条５０よりも上方の部
位には、半径方向内方に突出する連動突条５４が配設さ
れている。図示の実施形態においては、連動突条５４は
周方向に連続して延在する環形状である。連動突条５４
の内径は上記栓体４の天面壁８の外径よりも小さい（従
って、外側蓋体６に対して栓体４が相対的に上昇せしめ
られると、連動突条５４が天面壁８の外周縁部下面に干
渉する。）The inner diameter of the upper end portion of the main portion 36 of the skirt wall 28 is made slightly larger than the outer diameter of the top wall 8 of the plug body 4, and the inner peripheral surface of the outer lid body 6 of the skirt wall 28 and the plug body. A slight gap is formed between the outer peripheral edge of the top wall 8 of FIG. Main part 36 of the skirt wall 28
An internal thread 50 is formed on the inner peripheral surface of the female thread 50. The internal thread 50 has notches 5 extending in the axial direction at intervals in the circumferential direction.
2 is formed. The notch 52 constitutes a so-called air passage when the mouth and neck of the container is opened. Skirt wall 28
The inner peripheral surface of the upper end of the main portion 36 of the skirt wall 2
An interlocking protrusion 54 that protrudes inward in the radial direction is provided at a position above the female thread 50 on the inner peripheral surface of the main portion 36 of FIG. In the illustrated embodiment, the interlocking protrusion 54 has a ring shape continuously extending in the circumferential direction. Interlocking ridge 54
The inner diameter of is smaller than the outer diameter of the top wall 8 of the plug body 4 (therefore, when the plug body 4 is raised relative to the outer lid body 6, the interlocking ridge 54 causes the outer peripheral edge of the top wall 8). Interferes with the bottom of the part.)
【００１８】図１と共に図４及び図５を参照することに
よって理解されるごとく、図示の実施形態においては、
スカート壁２８の主部３６における上端部、更に詳しく
は軸線方向において主部３６の内周面に形成されている
上記連動突条５４と雌螺条５０との間の部分には、周方
向に間隔をおいて複数個（図示の場合４個）の洗浄液流
入用孔５６が形成されている。かかる洗浄液流入用孔５
６は主部３６を半径方向に貫通している。かかる洗浄液
流入用孔５６は、主部３６における所定部位を、外面か
ら切断刀を作用せしめて貫通切断することによって形成
することができる。図示の実施形態においては上記洗浄
液流入用溝３０が形成されている故に、所望ならば洗浄
液流入用孔５６を省略することもできる。As will be understood by reference to FIGS. 4 and 5 in conjunction with FIG. 1, in the illustrated embodiment,
The upper end portion of the main portion 36 of the skirt wall 28, more specifically, the portion between the interlocking projection 54 and the female screw thread 50 formed on the inner peripheral surface of the main portion 36 in the axial direction, has a circumferential direction. A plurality of cleaning liquid inflow holes 56 (four in the illustrated case) are formed at intervals. Such cleaning liquid inflow hole 5
Reference numeral 6 penetrates the main portion 36 in the radial direction. The cleaning liquid inflow hole 56 can be formed by cutting through a predetermined portion of the main portion 36 by applying a cutting knife from the outer surface. Since the cleaning liquid inflow groove 30 is formed in the illustrated embodiment, the cleaning liquid inflow hole 56 can be omitted if desired.
【００１９】図１を参照して説明を続けると、タンパー
エビデント裾部３８の内周面には係止手段５８が形成さ
れている。図示の実施形態における係止手段５８は、周
方向に連続して延在している環状突出片６０から構成さ
れている。かかる環状突出片６０はタンパーエビデント
裾部３８の内周面に接続されている基縁から半径方向内
方に向かって上方に傾斜して突出せしめられている。こ
の環状突出片６０には、その先端から基縁近傍まで延び
る比較的幅狭のスリット６２とその先端から基縁まで延
びる比較的幅広のスリット６３とが周方向に間隔をおい
て交互に形成されている。スリット６３の存在により容
器蓋２内に流入した洗浄液は充分容易に容器蓋２から流
出する。所望ならば、環状突出片６０に代えて、例えば
フラップ片、弧状突条或いはラチェット爪（ラチェット
爪の場合には、後述する容器の口頸部における被係止手
段は環状あご部でなくて対応するラチェット爪から構成
される）等の他の適宜の形態の突出片、突条或いは突起
等から係止手段を構成することもできる。Continuing the description with reference to FIG. 1, a locking means 58 is formed on the inner peripheral surface of the tamper-evident skirt portion 38. The locking means 58 in the illustrated embodiment is composed of an annular projecting piece 60 that extends continuously in the circumferential direction. The annular protruding piece 60 is inclined and protrudes upward inward in the radial direction from the base edge connected to the inner peripheral surface of the tamper-evident skirt portion 38. On this annular projecting piece 60, relatively narrow slits 62 extending from the tip to the vicinity of the base edge and relatively wide slits 63 extending from the tip to the base edge are alternately formed at intervals in the circumferential direction. ing. Due to the presence of the slits 63, the cleaning liquid that has flowed into the container lid 2 can easily and easily flow out from the container lid 2. If desired, instead of the annular projecting piece 60, for example, a flap piece, an arcuate ridge, or a ratchet pawl (in the case of a ratchet pawl, the locking means at the mouth and neck of the container described later does not have to be an annular jaw). It is also possible to configure the locking means from a protrusion piece, a ridge, a protrusion, or the like of any other suitable form such as a ratchet claw).
【００２０】容器蓋２は上述した如く栓体４と外側蓋体
６とから構成されており、容器蓋２を容器の口頸部に適
用するに先立って、栓体４が外側蓋体６に組み合わされ
る。栓体４は外側蓋体６内にその下方から導入され、栓
体４の天面壁８の外周縁部が外側蓋体６のスカート壁２
８の内周面に形成されている連動突条５４よりも上方に
位置せしめられている。外側蓋体６内の所定位置まで栓
体４を導入する際には、栓体４の天面壁８、特にその外
周縁部並びに外側蓋体６の係止手段５８等が弾性変形せ
しめられることによって、栓体４は外側蓋体６の係止手
段５８、雌螺条５０及び連動突条５４を通過せしめられ
る。The container lid 2 is composed of the plug body 4 and the outer lid body 6 as described above, and the plug body 4 is attached to the outer lid body 6 before applying the container lid 2 to the mouth and neck of the container. Be combined. The plug body 4 is introduced into the outer lid body 6 from below, and the outer peripheral edge portion of the top wall 8 of the plug body 4 is the skirt wall 2 of the outer lid body 6.
8 is located above the interlocking protrusion 54 formed on the inner peripheral surface of When the stopper 4 is introduced to a predetermined position in the outer lid 6, the top wall 8 of the stopper 4, particularly the outer peripheral edge portion thereof and the locking means 58 of the outer lid 6 are elastically deformed. The plug body 4 is passed through the locking means 58 of the outer lid body 6, the female thread 50, and the interlocking ridge 54.
【００２１】図１には、容器蓋２が適用される容器の口
頸部の一部も二点鎖線で図示されている。ポリエチレン
テレフタレートの如き適宜の合成樹脂或いはガラスから
形成することができる容器は略円筒形状の口頸部６４を
備えている。この口頸部６４の外周面には雄螺条６６と
この雄螺条６６の下方に位置する係合手段６８が形成さ
れている。容器の口頸部６４に容器蓋２を装着する際に
は、容器の口頸部６４に容器蓋２を被嵌して、容器蓋２
の外側蓋体６を閉方向、即ち図１において上方から見て
時計方向に回転せしめ、容器の口頸部６４の雄螺条６６
に容器蓋２の外側蓋体６の雌螺条５０を螺合せしめる。
容器蓋２の外側蓋体６は容器の口頸部６４に沿って下降
せしめられ、栓体４も外側蓋体６と連動して下降せしめ
られ、栓体４のシール壁２０の自由端部が容器の口頸部
６４内に進入せしめられる。外側蓋体６を更に閉方向に
回転せしめると、栓体４はそのシール壁２０が容器の口
頸部６４の内周面に密接せしめられ、容器の口頸部６４
に対して更に下降せしめられることが抑制されるが、外
側蓋体６は容器の口頸部６４に沿って更に下降せしめら
れる。そして、外側蓋体６の環状壁２６の下面に形成さ
れているリブ３２が栓体４の環状フランジ部１４の内側
領域１４ａに当接せしめられ、栓体４を下方に押圧せし
める。これによって栓体４は再び外側蓋体６と連動して
下降せしめられ、栓体４のシール壁２０は半径方向内方
に幾分撓まされ容器の口頸部６４の内周面に更に進入せ
しめられ、次いで栓体４の環状フランジ部１８に形成さ
れているリブ２４は容器の口頸部６４の上面に当接せし
められて幾分圧縮される。かくして、栓体４は容器の口
頸部６４の上面に被嵌され、容器の口頸部６４を密封す
る。一方、外側蓋体６は、その環状壁２６の下面に形成
されているリブ３２が栓体４の天面壁８の上面における
環状フランジ部１４の内側領域１４ａに密接せしめられ
ると共に、その主部３６のタンパーエビデント裾部３８
に形成されている係合手段５８が容器の口頸部６４にお
ける係止手段６８の下面に係合せしめられ、容器の口頸
部６４からの栓体４の離脱を防止する。かくして容器蓋
２は容器の口頸部６４に装着される。かかる状態におい
ては、外側蓋体６の環状壁２６の内周面は洗浄液流入用
溝３０が形成されている部位を除いて栓体４の段差部１
２に当接乃至近接せしめられ、外側蓋体６の環状壁２６
の上面は栓体４の円形中央主部１０と略同一平面をな
す。従って容器蓋２の上面における、栓体４と外側蓋体
６との境界には外観上の点から好ましくない段差或いは
比較的大きな隙間は形成されない。また、容器蓋２が容
器の口頸部６４に装着された状態においては、外側蓋体
６の主部３６の内周面に形成されている連動突条５４の
上面は、栓体４の天面壁８の下面における環状フランジ
部１８よりも下方に位置する。連動突条５４の上面と環
状フランジ部１８との間隔Ｇは２．０乃至５．０ｍｍで
あるのが好適である。In FIG. 1, a part of the mouth and neck of the container to which the container lid 2 is applied is also shown by a chain double-dashed line. A container that can be formed from a suitable synthetic resin such as polyethylene terephthalate or glass is provided with a generally cylindrical mouth neck portion 64. On the outer peripheral surface of the mouth / neck portion 64, a male thread 66 and an engaging means 68 located below the male thread 66 are formed. When the container lid 2 is attached to the mouth / neck portion 64 of the container, the container lid 2 is fitted onto the mouth / neck portion 64 of the container to
The outer lid body 6 of the container is rotated in the closing direction, that is, in the clockwise direction when viewed from above in FIG. 1, and the male screw 66 of the mouth neck 64 of the container is rotated.
Then, the female thread 50 of the outer lid body 6 of the container lid 2 is screwed.
The outer lid 6 of the container lid 2 is lowered along the mouth neck 64 of the container, and the stopper 4 is also lowered in conjunction with the outer lid 6, so that the free end of the sealing wall 20 of the stopper 4 is It is pushed into the mouth neck 64 of the container. When the outer lid 6 is further rotated in the closing direction, the sealing wall 20 of the stopper 4 is brought into close contact with the inner peripheral surface of the mouth / neck portion 64 of the container, so that the mouth / neck portion 64 of the container is closed.
The outer lid 6 is further lowered along the mouth / neck portion 64 of the container, though it is prevented from being further lowered. Then, the rib 32 formed on the lower surface of the annular wall 26 of the outer lid body 6 is brought into contact with the inner region 14a of the annular flange portion 14 of the plug body 4 to press the plug body 4 downward. As a result, the stopper 4 is again lowered in conjunction with the outer lid 6, and the sealing wall 20 of the stopper 4 is bent slightly inward in the radial direction to further enter the inner peripheral surface of the mouth-neck portion 64 of the container. The ribs 24, which are formed on the annular flange portion 18 of the stopper 4, are brought into contact with the upper surface of the mouth-neck portion 64 of the container and are compressed to some extent. Thus, the plug 4 is fitted onto the upper surface of the container neck 64 to seal the container neck 64. On the other hand, in the outer lid body 6, the rib 32 formed on the lower surface of the annular wall 26 is brought into close contact with the inner area 14 a of the annular flange portion 14 on the upper surface of the top wall 8 of the plug body 4, and the main portion 36 thereof. Tamper evidence hem 38
The engaging means 58 formed on the lower surface of the container is engaged with the lower surface of the locking means 68 in the mouth / neck portion 64 of the container to prevent the stopper body 4 from being detached from the mouth / neck portion 64 of the container. Thus, the container lid 2 is attached to the mouth / neck portion 64 of the container. In such a state, the stepped portion 1 of the plug 4 is formed on the inner peripheral surface of the annular wall 26 of the outer lid 6 except for the portion where the cleaning liquid inflow groove 30 is formed.
2 is abutted to or brought close to the annular wall 26 of the outer lid 6.
The upper surface of is substantially flush with the circular central main portion 10 of the plug 4. Therefore, on the upper surface of the container lid 2, no step or a relatively large gap is formed at the boundary between the plug body 4 and the outer lid body 6, which is not preferable in terms of appearance. Further, when the container lid 2 is attached to the mouth / neck portion 64 of the container, the upper surface of the interlocking protrusion 54 formed on the inner peripheral surface of the main portion 36 of the outer lid body 6 has the top surface of the plug body 4. It is located below the annular flange portion 18 on the lower surface of the face wall 8. The gap G between the upper surface of the interlocking ridge 54 and the annular flange portion 18 is preferably 2.0 to 5.0 mm.
【００２２】内容物を充填した容器の口頸部６４に容器
蓋２を装着した後に、口頸部６４に漏出した内容物を洗
い流すことが必要な場合には、容器蓋２の上面における
洗浄液流入用溝３０が位置する部位と、容器蓋２のスカ
ート壁２８の外周面における洗浄液流入用孔５６が位置
する部位とに向けて水の如き適宜の洗浄液を噴射する。
洗浄液流入用溝３０に流入した洗浄液は、洗浄液流入用
溝３０を通過して、外側蓋体６のスカート壁２８におけ
る内周面と栓体４の天面壁８における外周縁との間の間
隙を通過して容器の口頸部６４の外周面を流下する。ま
た、洗浄液流入用孔５６に流入した洗浄液は、洗浄液流
入用孔５６を通過して容器の口頸部６４の外周面を流下
する。かくして、容器蓋２に洗浄液を噴射することによ
って、容器の口頸部６４の外周面に充分な量の洗浄液を
流動せしめることができる。また、本発明の容器蓋にお
いては、上述した如く、外側蓋体６のみならず栓体４も
全体が合成樹脂によって形成されている故に、口頸部６
４に漏出した内容物を洗い流す際に洗浄液を使用しても
錆が発生することはない。When it is necessary to wash away the contents leaked into the mouth / neck portion 64 after the container lid 2 is attached to the mouth / neck portion 64 of the container filled with the contents, the inflow of the cleaning liquid on the upper surface of the container lid 2 is performed. An appropriate cleaning liquid such as water is sprayed toward the portion where the cleaning groove 30 is located and the portion where the cleaning liquid inflow hole 56 is located on the outer peripheral surface of the skirt wall 28 of the container lid 2.
The cleaning liquid that has flowed into the cleaning liquid inflow groove 30 passes through the cleaning liquid inflow groove 30 and forms a gap between the inner peripheral surface of the skirt wall 28 of the outer lid 6 and the outer peripheral edge of the top wall 8 of the plug 4. It passes and flows down on the outer peripheral surface of the mouth-neck portion 64 of the container. Further, the cleaning liquid flowing into the cleaning liquid inflow hole 56 passes through the cleaning liquid inflow hole 56 and flows down on the outer peripheral surface of the mouth / neck portion 64 of the container. Thus, by spraying the cleaning liquid on the container lid 2, a sufficient amount of the cleaning liquid can be made to flow to the outer peripheral surface of the mouth / neck portion 64 of the container. Further, in the container lid of the present invention, as described above, not only the outer lid body 6 but also the plug body 4 is entirely made of synthetic resin, so that the mouth / neck portion 6 is formed.
No rust is generated even if a cleaning liquid is used to wash away the contents leaked to No. 4.
【００２３】容器の口頸部６４を開封する際には、容器
蓋２の外側蓋体６を開方向、即ち図１において上方から
見て反時計方向に回転せしめて、外側蓋体６の雌螺条５
０と口頸部６４の雄螺条６６との螺合を漸次解除する。
かくすると外側蓋体６のスカート壁２８は上昇せんとす
るが、タンパーエビデント裾部３８は、その内周面に形
成されている係合手段５８が口頸部６４の外周面に形成
されている係止手段６８の下面に係止せしめられている
故に上昇が阻止され、従ってスカート壁２８に形成され
ている破断可能ライン３４、更に詳しくはその橋絡部４
４に相当な応力が生成されて橋絡部４４が破断され、タ
ンパーエビデント裾部３８がスカート壁２８の主部３６
から分離される。しかる後においては、タンパーエビデ
ント裾部３８を残留せしめて外側蓋体６が容器の口頸部
６４に沿って上昇せしめられる。一方、容器の口頸部６
４に密接せしめられている栓体４は、開封操作初期、更
に詳しくは外側蓋体６が開方向に回転を開始せしめられ
た直後から外側蓋体６が所定量（外側蓋体６及び栓体４
が容器の口頸部６４に装着された状態で、連動突条５４
の上面と環状フランジ部１８との間隙Ｇに対応する量）
上昇せしめられるまで、外側蓋体６に付随して回転又は
上昇せしめられることはなく、容器の口頸部６４の上面
に被嵌され、容器の口頸部６４を密封したままである。
外側蓋体６のスカート壁２８に形成されている破断可能
ライン３４が破断され、外側蓋体６が所定量上昇せしめ
られると、外側蓋体６の連動突条５４の上面が栓体４の
環状フランジ部１８に当接せしめられる。外側蓋体６が
更に上昇せしめられると、外側蓋体６の上昇に付随して
栓体４も上昇せしめられ、容器蓋２全体が容器の口頸部
６４から離脱されて口頸部６４が開封される。When opening the mouth / neck portion 64 of the container, the outer lid 6 of the container lid 2 is rotated in the opening direction, that is, counterclockwise when viewed from above in FIG. Thread 5
0 and the male screw thread 66 of the mouth / neck portion 64 are gradually released.
Thus, the skirt wall 28 of the outer lid body 6 does not rise, but the tamper-evidence skirt portion 38 has the engagement means 58 formed on the inner peripheral surface thereof on the outer peripheral surface of the mouth / neck portion 64. Since it is locked to the lower surface of the locking means 68, its rising is prevented, and therefore the breakable line 34 formed on the skirt wall 28, more specifically, the bridge portion 4 thereof.
4, a considerable stress is generated to break the bridging portion 44, and the tamper-evidence hem portion 38 becomes the main portion 36 of the skirt wall 28.
Separated from. After that, the tamper-evidence skirt 38 is left, and the outer lid 6 is raised along the mouth-neck portion 64 of the container. On the other hand, the mouth and neck 6 of the container
The plug body 4 that is closely attached to the outer cover body 4 is in a predetermined amount at the initial stage of the opening operation, more specifically, immediately after the outer cover body 6 is started to rotate in the opening direction. Four
Is attached to the mouth neck 64 of the container, the interlocking ridge 54
Amount corresponding to the gap G between the upper surface of the and the annular flange portion 18)
Until it is raised, it is not rotated or raised with the outer lid body 6, but is fitted onto the upper surface of the mouth-neck portion 64 of the container, and the mouth-neck portion 64 of the container remains sealed.
When the breakable line 34 formed on the skirt wall 28 of the outer lid 6 is broken and the outer lid 6 is raised by a predetermined amount, the upper surface of the interlocking protrusion 54 of the outer lid 6 has an annular shape of the plug 4. It is brought into contact with the flange portion 18. When the outer lid body 6 is further raised, the stopper body 4 is also raised in association with the rise of the outer lid body 6, and the entire container lid 2 is separated from the mouth / neck portion 64 of the container to open the mouth / neck portion 64. To be done.
【００２４】本発明の容器蓋においては、口頸部６４の
開封操作初期においては外側蓋体６が回転せしめられる
が栓体４は回転せしめられることはなく、従って口頸部
６４に密接せしめられている栓体４を回転せしめること
に起因して開封初期の必要トルクが過大になることがな
い。また、外側蓋体６に形成されている周方向破断ライ
ン３４が破断されて外側蓋体６が所定量上昇せしめられ
た後に栓体４の上昇が開始される故に、周方向破断ライ
ン３４が破断されることなく口頸部６４の密封が解除さ
れることがなく、従って悪戯によって或いは偶発的に容
器蓋２を幾分回転せしめられて口頸部の密封が解除され
たにもかかわらず、周方向破断ライ３４が破断されるこ
となく維持されてタンパーエビデント特性が毀損されて
しまうことがない。In the container lid of the present invention, the outer lid body 6 is rotated in the initial stage of the opening operation of the mouth / neck portion 64, but the plug body 4 is not rotated, and thus the outer lid body 6 is brought into close contact with the mouth / neck portion 64. The required torque at the initial stage of opening does not become excessive due to rotating the stopper body 4 that is being opened. Further, since the circumferential break line 34 formed on the outer lid 6 is broken and the outer lid 6 is lifted by a predetermined amount, the stopper body 4 starts to rise, so that the circumferential break line 34 is broken. The sealing of the mouth / neck portion 64 is not released without being closed, and therefore, even though the container lid 2 is somewhat rotated by mischief or accidentally, the sealing of the mouth / neck portion is released. The directional break lie 34 is maintained without breaking and the tamper-evidence characteristics are not impaired.
【００２５】図６乃至図８は、本発明に従って構成され
た合成樹脂製容器蓋の変形実施形態を図示している。こ
の変形実施形態においては、外側蓋体１０６の環状壁１
２６の、内周面及び下面に、周方向に間隔をおいて下方
に次いで半径方向外方に延びる複数個洗浄液流入用溝
（図１において番号３０で示す洗浄液流入用溝）を形成
することに代えて、栓体１０４の、段差部１１２及び環
状フランジ部１１４の半径方向内側領域１１４ａに、図
６及び図７を参照することによって理解される如く、周
方向に間隔をおいて下方に次いで半径方向外方に延びる
複数個（図示の場合６個）の洗浄液流入用溝１１５が形
成されている。外側蓋体１０６の環状壁１２６の下面に
形成されているリブ１３２は、図８に図示する如く周方
向に連続して延びている。図６に図示する変形実施形態
の上述した構成以外は、図１乃至図５に図示する実施形
態と実質上同一でよい。6 to 8 show a modified embodiment of a synthetic resin container lid constructed according to the present invention. In this variant embodiment, the annular wall 1 of the outer lid 106
A plurality of cleaning liquid inflow grooves (cleaning liquid inflow grooves indicated by reference numeral 30 in FIG. 1) are formed on the inner peripheral surface and the lower surface of 26 at intervals in the circumferential direction and extend downward in the radial direction and then outward in the radial direction. Instead, the stepped portion 112 and the radially inner region 114a of the annular flange portion 114 of the plug 104 are circumferentially spaced downwardly and then radially outwardly, as will be understood by reference to FIGS. 6 and 7. A plurality of (six in the illustrated case) cleaning liquid inflow grooves 115 extending outward in the direction are formed. The rib 132 formed on the lower surface of the annular wall 126 of the outer lid body 106 continuously extends in the circumferential direction as shown in FIG. Except for the above-described configuration of the modified embodiment shown in FIG. 6, it may be substantially the same as the embodiment shown in FIGS. 1 to 5.
【００２６】[0026]
【発明の効果】本発明の合成樹脂容器蓋においては、開
封初期の必要トルクが過大になることなくタンパーエビ
デント特性が毀損されることが確実に防止されるという
利点を維持しながら、充分安価に製作することができ、
そしてまた洗浄液を使用しても錆が発生することがな
い。The synthetic resin container lid of the present invention is sufficiently inexpensive while maintaining the advantage that the tamper-evidence characteristics are surely prevented from being impaired without the torque required at the initial stage of opening becoming excessive. Can be made into
Even if the cleaning liquid is used, rust does not occur.
【００２７】また、本発明の合成樹脂容器蓋によれば、
容器の口頸部に容器蓋を装着した後に容器蓋に洗浄液を
噴射することによって、容器の口頸部の外周面に充分な
量の洗浄液を流動せしめることができる。According to the synthetic resin container lid of the present invention,
By mounting the container lid on the mouth and neck of the container and then spraying the cleaning liquid on the container lid, a sufficient amount of the cleaning liquid can be made to flow to the outer peripheral surface of the mouth and neck of the container.
【００２８】更に、本発明の合成樹脂容器蓋によれば、
栓体と外側栓体とから構成されているにもかかわらず、
容器の上面に外観等の点から望ましくない段差が存在し
ない。Further, according to the synthetic resin container lid of the present invention,
Despite being composed of a stopper and an outer stopper,
There are no undesired steps on the top surface of the container in terms of appearance.
【図１】本発明に従って構成された容器蓋の好適実施形
態を容器の口頸部に装着した状態を、一部を断面で示す
正面図。FIG. 1 is a front view showing a state in which a preferred embodiment of a container lid configured according to the present invention is attached to a mouth and neck of a container, a part of which is shown in cross section.
【図２】図１に示す容器蓋の栓体の上面図。FIG. 2 is a top view of the stopper body of the container lid shown in FIG.
【図３】図１に示す容器蓋の栓体の底面図。FIG. 3 is a bottom view of the stopper body of the container lid shown in FIG.
【図４】図１に示す容器蓋の外側蓋体の上面図。FIG. 4 is a top view of an outer lid body of the container lid shown in FIG.
【図５】図１の線Ｖ−Ｖにおいて外側蓋体を切断した場
合の外側蓋体の底面図。5 is a bottom view of the outer lid when the outer lid is cut along line VV in FIG.
【図６】本発明に従って構成された容器蓋の他の実施形
態を容器の口頸部に装着した状態を、一部を断面で示す
正面図。FIG. 6 is a front view showing a state in which another embodiment of the container lid configured according to the present invention is attached to the mouth and neck of the container, a part of which is shown in section.
【図７】図６に示す容器蓋の栓体の上面図。FIG. 7 is a top view of the stopper body of the container lid shown in FIG.
【図８】図６の線ＶIII−ＶIIIにおいて外側蓋体を切断
した場合の外側蓋体の底面図。FIG. 8 is a bottom view of the outer lid when the outer lid is cut along line VIII-VIII in FIG.
【符号の説明】 ２：容器蓋 ４：栓体 ６：外側蓋体 ８：天面壁 １０：円形中央主部 １２：段差部 １４：環状フランジ部 １６：円形中央主部 １８：環状フランジ部 ２０：シール壁 ２２：放射状補強突条 ２６：環状壁 ２８：スカート壁 ３０：洗浄液流入用溝 ３２：リブ ３４：周方向破断ライン ３６：主部 ３８：タンパーエビデント裾部 ５０：雌螺条 ５４：連動突条 ５８：係止手段 ５６：洗浄液流入用孔 ６４：口頸部 ６６：雄螺条 ６８：係合手段 １０２：容器蓋 １０４：中栓 １０６：外側蓋体 １１４：環状フランジ部 １１４ａ：半径方向内側領域 １１４ｂ：半径方向外側領域 １２６：環状壁 １３０：洗浄液流入用溝 １３２：リブ[Explanation of symbols] 2: Container lid 4: Plug 6: Outer lid 8: Top wall 10: Main part of circular center 12: Step 14: Annular flange 16: Circular center main part 18: Annular flange 20: Seal wall 22: Radial reinforcing ridges 26: Ring wall 28: Skirt wall 30: Cleaning liquid inflow groove 32: Rib 34: Circumferential break line 36: Main part 38: Tamper evidence hem 50: Female thread 54: Interlocking ridge 58: Locking means 56: Cleaning liquid inflow hole 64: Mouth and neck 66: Male thread 68: Engaging means 102: container lid 104: Inner stopper 106: outer lid 114: annular flange 114a: radially inner area 114b: radially outer region 126: Annular wall 130: Groove for inflow of cleaning liquid 132: rib
───────────────────────────────────────────────────── フロントページの続き (72)発明者 福士 誠司 神奈川県平塚市長瀞２番12号 日本クラウ ンコルク株式会社平塚工場内 (72)発明者 佐藤 浩 神奈川県平塚市長瀞２番12号 日本クラウ ンコルク株式会社平塚工場内 Ｆターム(参考） 3E084 AA02 AA04 BA02 BA03 CA01 CC03 DA01 DB03 DB12 DC03 FA09 FB01 GA01 GB01 HA03 HB01 HD01 KA13 LA15 LA17 LB02 ─────────────────────────────────────────────────── ─── Continued front page (72) Inventor Fukushi Seiji 2-12 Mayoroto, Hiratsuka City, Kanagawa Prefecture Japan Crow Hiratsuka factory (72) Inventor Hiroshi Sato 2-12 Mayoroto, Hiratsuka City, Kanagawa Prefecture Japan Crow Hiratsuka factory F-term (reference) 3E084 AA02 AA04 BA02 BA03 CA01 CC03 DA01 DB03 DB12 DC03 FA09 FB01 GA01 GB01 HA03 HB01 HD01 KA13 LA15 LA17 LB02
Claims (6)
し、該口頸部の外周面には雄螺条と該雄螺条の下方に位
置する係止手段が配設されている容器のための合成樹脂
製容器蓋にして、 容器の口頸部をシールするための合成樹脂製栓体と、容
器の口頸部からの該栓体の離脱を防止するための合成樹
脂製外側蓋体とから構成され、 該栓体は容器の口頸部の頂面を覆う天面壁を有し、 該外側蓋体は該栓体の該天面壁の上面の外周縁部を覆う
環状壁と、該環状壁の周縁から垂下する筒状スカート壁
とを有し、該スカート壁には周方向に延びる周方向破断
ラインが形成されており、該スカート壁は該周方向破断
ラインよりも上方の主部と該周方向破断ラインよりも下
方のタンパーエビデント裾部とに区画されており、該主
部の内周面には該雄螺条に螺合せしめられる雌螺条が形
成され、該タンパーエビデント裾部の内周面には該係止
手段に係合せしめられる係合手段が形成されている、 ことを特徴とする合成樹脂製容器蓋。1. A substantially cylindrical mouth-neck portion having an open top surface, and a male thread and a locking means located below the male thread are disposed on the outer peripheral surface of the mouth-neck portion. And a synthetic resin stopper for sealing the mouth and neck of the container, and a synthetic resin for preventing the stopper from coming off from the mouth and neck of the container An outer lid body, the stopper body having a top wall that covers the top surface of the mouth and neck of the container, and the outer lid body that covers the outer peripheral edge of the top surface of the top wall of the stopper body. A wall and a tubular skirt wall that hangs from the peripheral edge of the annular wall, and a circumferential break line extending in the circumferential direction is formed in the skirt wall, and the skirt wall has a circumferential break line more than the circumferential break line. It is divided into an upper main part and a tamper-evidence skirt below the circumferential break line, and the male thread is screwed onto the inner peripheral surface of the main part. A synthetic resin container lid characterized in that a female thread to be fitted is formed, and an engaging means for engaging with the engaging means is formed on an inner peripheral surface of the tamper-evident hem. .
壁の上面は実質上平坦な円形中央主部と該中央主部の周
縁から下方に延びる段差部と該段差部から半径方向外方
に延びる環状フランジ部とを含み、該外側蓋体の該環状
壁は、該栓体の該天面壁の上面における該環状フランジ
部上に位置せしめられ、該環状壁の上面は実質上平坦で
該栓体の該天面壁の上面における該中央主部と略同一平
面をなす、請求項１記載の合成樹脂製容器蓋。2. The top wall of the stopper is circular, and the top surface of the top wall is a substantially flat circular central main portion, a step portion extending downward from the peripheral edge of the central main portion, and a radius from the step portion. An annular flange portion that extends outward in the direction, the annular wall of the outer lid is positioned on the annular flange portion on the upper surface of the top wall of the plug, and the upper surface of the annular wall is substantially The synthetic resin container lid according to claim 1, which is flat and is substantially flush with the central main portion on the upper surface of the top wall of the plug.
の該天面壁の上面における該環状フランジ部には周方向
に延びるリブが形成されており、該外側蓋体の該環状壁
の下面と該栓体の該天面壁の上面における該環状フラン
ジ部とは該リブを介して接触せしめられる、請求項２記
載の合成樹脂製容器蓋。3. A rib extending in the circumferential direction is formed on the annular flange portion on the lower surface of the annular wall of the outer lid body or the upper surface of the top wall of the plug body, and the annular shape of the outer lid body is formed. The synthetic resin container lid according to claim 2, wherein the lower surface of the wall and the annular flange portion on the upper surface of the top wall of the plug are brought into contact with each other via the rib.
又は該栓体の該天面壁の上面における該段差部及び該環
状フランジ部には、周方向に間隔をおいて下方に次いで
半径方向外方に延びる複数個の溝が形成されている、請
求項２又は３記載の合成樹脂製容器蓋。4. The stepped portion and the annular flange portion on the inner peripheral surface and the lower surface of the annular wall of the outer lid body or the upper surface of the top surface wall of the plug body are spaced downward in the circumferential direction. Next, the synthetic resin container lid according to claim 2 or 3, wherein a plurality of grooves extending outward in the radial direction are formed.
該円形中央主部に対応する円形中央主部と上面における
該環状フランジ部に対応する環状フランジ部とを含み、
該円形中央主部は該環状フランジ部よりも上方に位置
し、そして該天面壁の下面における該円形中央主部と該
環状フランジ部との境界部から垂下する円筒形状のシー
ル壁が配設されており、該天面壁の下面における該円形
中央主部には該シール壁の基部まで延びる複数個の放射
状補強突条が形成されており、該シール壁は該口頸部内
に進入せしめられ、該シール壁の外周面が該口頸部の内
周面に密接せしめられる、請求項２記載の合成樹脂製容
器蓋。5. The lower surface of the top wall of the stopper includes a circular central main portion corresponding to the circular central main portion on an upper surface and an annular flange portion corresponding to the annular flange portion on an upper surface,
The circular central main portion is located above the annular flange portion, and a cylindrical seal wall is disposed so as to hang down from a boundary portion between the circular central main portion and the annular flange portion on the lower surface of the ceiling wall. A plurality of radial reinforcing ridges extending to the base of the seal wall are formed in the circular central main portion on the lower surface of the ceiling wall, and the seal wall is made to enter the mouth and neck, The synthetic resin container lid according to claim 2, wherein an outer peripheral surface of the sealing wall is brought into close contact with an inner peripheral surface of the mouth / neck portion.
縁を越えて半径方向外方に延出せしめられており、該外
側蓋体の該スカート壁における該主部の上端部には半径
方向内方に突出する連動突条が配設されており、該栓体
及び該外側蓋体が該口頸部に装着された状態において該
連動突条の上面は該天面壁の外周縁部の下面よりも２．
０乃至５．０ｍｍ下方に位置し、該外側蓋体が開方向に
回転せしめられ、該周方向破断ラインが破断され、次い
で該外側蓋体の該スカート壁の該主部が上昇せしめられ
ることによって該連動突条が該天面壁の外周縁部の下面
に当接せしめられ、しかる後に該スカート壁の該主部の
上昇に連動して該栓体が上昇せしめられる、請求項１か
ら５までのいずれかに記載の合成樹脂製容器蓋。6. The top wall of the stopper extends radially outward beyond the outer peripheral edge of the upper surface of the mouth and neck portion, and the upper end of the main portion of the skirt wall of the outer lid body. An interlocking ridge protruding inward in the radial direction is disposed in the portion, and an upper surface of the interlocking ridge is attached to the top wall of the top wall in a state in which the plug body and the outer lid body are attached to the mouth / neck portion. 1. Lower surface of the outer peripheral edge.
0 to 5.0 mm below, by rotating the outer lid in the opening direction, breaking the circumferential break line, and then raising the main portion of the skirt wall of the outer lid. 6. The interlocking ridge is brought into contact with the lower surface of the outer peripheral edge of the top wall, and thereafter the plug is raised in association with the elevation of the main portion of the skirt wall. The synthetic resin container lid according to any one of the above.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2001317732A JP4057274B2 (en) | 2001-10-16 | 2001-10-16 | Plastic container lid |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2001317732A JP4057274B2 (en) | 2001-10-16 | 2001-10-16 | Plastic container lid |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JP2003128101A true JP2003128101A (en) | 2003-05-08 |
| JP4057274B2 JP4057274B2 (en) | 2008-03-05 |
Family
ID=19135555
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2001317732A Expired - Fee Related JP4057274B2 (en) | 2001-10-16 | 2001-10-16 | Plastic container lid |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JP4057274B2 (en) |
Cited By (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2004352260A (en) * | 2003-05-27 | 2004-12-16 | Japan Crown Cork Co Ltd | Plastic cap having superior inner pressure resistance |
| JP2005153972A (en) * | 2003-11-28 | 2005-06-16 | Japan Crown Cork Co Ltd | Composite cap |
| JP2006182381A (en) * | 2004-12-27 | 2006-07-13 | Japan Crown Cork Co Ltd | Cleaning method and system for container with composite container lid |
| JP2006282178A (en) * | 2005-03-31 | 2006-10-19 | Japan Crown Cork Co Ltd | Synthetic resin cap |
| JP2007001604A (en) * | 2005-06-22 | 2007-01-11 | Dainippon Printing Co Ltd | Cap with pilfer-proof band |
| JP2007153420A (en) * | 2005-12-07 | 2007-06-21 | Dainippon Printing Co Ltd | Cap with pilfer-proof band |
| JP2007191206A (en) * | 2006-01-20 | 2007-08-02 | Japan Crown Cork Co Ltd | Synthetic resin-made cap |
| JP2008114879A (en) * | 2006-11-02 | 2008-05-22 | Japan Crown Cork Co Ltd | Cap with inner stopper |
| JP2009234640A (en) * | 2008-03-27 | 2009-10-15 | Japan Crown Cork Co Ltd | Plastic cap |
| JP2012232767A (en) * | 2011-04-28 | 2012-11-29 | Yoshino Kogyosho Co Ltd | Sealing cap and sealed container |
| JP2018012505A (en) * | 2016-07-19 | 2018-01-25 | キリン株式会社 | Synthetic resin cap |
-
2001
- 2001-10-16 JP JP2001317732A patent/JP4057274B2/en not_active Expired - Fee Related
Cited By (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2004352260A (en) * | 2003-05-27 | 2004-12-16 | Japan Crown Cork Co Ltd | Plastic cap having superior inner pressure resistance |
| JP2005153972A (en) * | 2003-11-28 | 2005-06-16 | Japan Crown Cork Co Ltd | Composite cap |
| JP2006182381A (en) * | 2004-12-27 | 2006-07-13 | Japan Crown Cork Co Ltd | Cleaning method and system for container with composite container lid |
| JP4598512B2 (en) * | 2004-12-27 | 2010-12-15 | 日本クラウンコルク株式会社 | Cleaning system for containers with composite container lid |
| JP2006282178A (en) * | 2005-03-31 | 2006-10-19 | Japan Crown Cork Co Ltd | Synthetic resin cap |
| JP2007001604A (en) * | 2005-06-22 | 2007-01-11 | Dainippon Printing Co Ltd | Cap with pilfer-proof band |
| JP2007153420A (en) * | 2005-12-07 | 2007-06-21 | Dainippon Printing Co Ltd | Cap with pilfer-proof band |
| JP2007191206A (en) * | 2006-01-20 | 2007-08-02 | Japan Crown Cork Co Ltd | Synthetic resin-made cap |
| JP2008114879A (en) * | 2006-11-02 | 2008-05-22 | Japan Crown Cork Co Ltd | Cap with inner stopper |
| JP2009234640A (en) * | 2008-03-27 | 2009-10-15 | Japan Crown Cork Co Ltd | Plastic cap |
| JP2012232767A (en) * | 2011-04-28 | 2012-11-29 | Yoshino Kogyosho Co Ltd | Sealing cap and sealed container |
| JP2018012505A (en) * | 2016-07-19 | 2018-01-25 | キリン株式会社 | Synthetic resin cap |
Also Published As
| Publication number | Publication date |
|---|---|
| JP4057274B2 (en) | 2008-03-05 |
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