JP3168361B2 - Container lid - Google Patents
Container lidInfo
- Publication number
- JP3168361B2 JP3168361B2 JP32898192A JP32898192A JP3168361B2 JP 3168361 B2 JP3168361 B2 JP 3168361B2 JP 32898192 A JP32898192 A JP 32898192A JP 32898192 A JP32898192 A JP 32898192A JP 3168361 B2 JP3168361 B2 JP 3168361B2
- Authority
- JP
- Japan
- Prior art keywords
- tamper
- split
- band
- peripheral surface
- 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.)
- Expired - Fee Related
Links
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65D—CONTAINERS FOR STORAGE OR TRANSPORT OF ARTICLES OR MATERIALS, e.g. BAGS, BARRELS, BOTTLES, BOXES, CANS, CARTONS, CRATES, DRUMS, JARS, TANKS, HOPPERS, FORWARDING CONTAINERS; ACCESSORIES, CLOSURES, OR FITTINGS THEREFOR; PACKAGING ELEMENTS; PACKAGES
- B65D41/00—Caps, e.g. crown caps or crown seals, i.e. members having parts arranged for engagement with the external periphery of a neck or wall defining a pouring opening or discharge aperture; Protective cap-like covers for closure members, e.g. decorative covers of metal foil or paper
- B65D41/32—Caps or cap-like covers with lines of weakness, tearing-strips, tags, or like opening or removal devices, e.g. to facilitate formation of pouring openings
- B65D41/34—Threaded or like caps or cap-like covers provided with tamper elements formed in, or attached to, the closure skirt
- B65D41/3404—Threaded or like caps or cap-like covers provided with tamper elements formed in, or attached to, the closure skirt with ratchet-and-pawl mechanism between the container and the closure skirt or the tamper element
- B65D41/3409—Threaded or like caps or cap-like covers provided with tamper elements formed in, or attached to, the closure skirt with ratchet-and-pawl mechanism between the container and the closure skirt or the tamper element the tamper element being integrally connected to the closure by means of bridges
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Closures For Containers (AREA)
Description
【０００１】[0001]
【産業上の利用分野】本発明は、タンパーエビデントバ
ンドを有する容器蓋に関する。BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a container lid having a tamper-evident band.
【０００２】[0002]
【従来の技術】従来、食品ボトル等の蓋において、流通
過程で不正に開栓された場合、その事が判るようにした
いわゆるタンパーエビデント機能を有する蓋が多く用い
られている。この種の蓋は、一般に蓋本体の下端部に切
り離し可能なタンパーエビデントバンドを有し、開栓す
るときは該タンパーエビデントバンドが蓋本体から切り
離されることにより、開栓されたことが判るようになっ
ている。しかしながら、このようなタンパーエビデント
バンドは、開栓後は不要なものであり、使用済み容器を
資源として再利用するに際して容器口部から取り除く必
要がある。2. Description of the Related Art Hitherto, lids having a so-called tamper-evident function have been used in lids of food bottles and the like so that if a lid is illegally opened during the distribution process, this fact can be recognized. This type of lid generally has a separable tamper-evidence band at the lower end of the lid body, and it can be seen that the tamper-evidence band is opened by being detached from the lid body when opening. It has become. However, such a tamper-evident band is unnecessary after opening and needs to be removed from the container opening when the used container is reused as a resource.
【０００３】そのため、従来蓋本体とタンパーエビデン
トバンド部との境界部に一部強化ブリッジ部を残して、
該ブリッジ部の端部からタンパーエビデントバンドに縦
方向にスプリットを形成し、開栓時蓋を回すことによっ
てスプリットが開かれ、蓋本体と共に容器口頚部からタ
ンパーエビデントバンドが離脱されるようになってい
る。従来、前記スプリットの形態として、完全に切断状
態になっているもの（例えば、特開昭５７ー２８７６７
号公報）と、完全に切断状態にはなっていないがミシン
目やスコア等の弱化ラインとなっているもの（例えば、
特開昭６１ー２１３５５号公報、特公昭６２ー１２０９
６号公報等）とがある。For this reason, a reinforced bridge part is left partially at the boundary between the conventional lid body and the tamper-evident band part,
A split is formed in the longitudinal direction from the end of the bridge portion to the tamper-evidence band, and when the cap is opened, the split is opened by turning the lid, so that the tamper-evidence band is detached from the neck of the container together with the lid body. Has become. Conventionally, the as split form, which have become completely disconnected state (e.g., JP-57 over 28767
Publication) and those that are not completely cut but have weakened lines such as perforations and scores (for example,
JP-A-61-21355, JP-B-62-1209
No. 6 publication).
【０００４】しかしながら、前記従来技術のうち後者
は、合成樹脂蓋の場合、金属と違って弾性があるため、
開栓時にタンパーエビデントバンドが伸びてしまいスプ
リットが破断されないうちに蓋が抜けてしまい、さらに
蓋本体を引っ張ると強化ブリッジが切断されてしまう。
そのため、タンパーエビデントバンドと蓋本体は切り離
されるが、タンパーエビデントバンドの縦方向の弱化ラ
インが完全に破断されてないので、タンパーエビデント
バンドが容器口頚部に残ってしまい、容器を再利用する
のに支障をきたす欠点がある。一方、前者の場合は、キ
ャッピングされた状態が容器口頚部に形成された係合部
によりスプリットが押し広げられて該スプリットから容
器口頚部が露見し、タンパーエビデントバンドが破壊さ
れた不良品と見られ易く、商品価値を損なう欠点があっ
た。[0004] However, the latter of the prior arts is different from metal in the case of a synthetic resin lid because it has elasticity.
Upon opening, the tamper-evidence band extends and the lid comes off before the split is broken, and further pulling on the lid body breaks the reinforced bridge.
As a result, the tamper-evident band and the lid body are separated, but the tamper-evident band is not completely broken, so the tamper-evident band remains in the mouth and neck of the container, and the container is reused. There are drawbacks that make it difficult to do so. On the other hand, in the former case, the capped state is a defective product in which the split is pushed out by the engaging portion formed in the neck portion of the container and the neck portion of the container is exposed from the split, and the tamper-evident band is broken. It was easy to see and had the disadvantage of impairing the commercial value.
【０００５】[0005]
【発明が解決しようとする課題】本発明は、従来の容器
蓋におけるタンパーエビデントバンドの上記問題点を解
決しようとするもので、開栓が容易であり、且つ開栓時
にタンパーエビデントバンドを容器口頚部から完全に取
り除くことができて容器の再利用に支障をきたすことが
なく、また開栓後は蓋本体とタンパーエビデントバンド
が完全に分離されてリシールも容易であり、しかも容器
にキャッピングした状態でのスプリットから容器口頚部
が容易に露見することなく見栄えが良く、商品価値の高
いタンパーエビデントバンド付き容器蓋を提供すること
を目的とする。SUMMARY OF THE INVENTION The present invention is intended to solve the above-mentioned problems of the tamper-evidence band in the conventional container lid, and it is easy to open the tamper-evidence band. It can be completely removed from the neck of the container, and does not hinder reuse of the container.After opening, the lid body and the tamper-evident band are completely separated, making it easy to reseal. An object of the present invention is to provide a container lid with a tamper-evident band that has a high commercial value and has a good appearance without easily exposing the container mouth and neck from the split in a capped state.
【０００６】[0006]
【課題を解決するための手段】上記課題を解決する本発
明の容器蓋は、縦方向にスプリットが形成されているタ
ンパーエビデントバンドを有する容器蓋において、前記
スプリットの肉厚方向切断面は、タンパーエビデントバ
ンド外周面から内周面に達するまでに周方向にずれた位
置を通る部分を有するように形成されていることを特徴
とするものである。According to the present invention, there is provided a container lid having a tamper-evident band in which a split is formed in a vertical direction, wherein a cut surface in a thickness direction of the split is: The tamper-evident band is characterized in that it has a portion passing through a position shifted in the circumferential direction from the outer peripheral surface to the inner peripheral surface.
【０００７】[0007]
【作用】スプリットのタンパーエビデントバンド肉厚方
向切断面が、タンパーエビデントバンド外周面から内周
面に達するまでに周方向にずれた位置を通る部分を有す
るように形成され、切断面が肉厚方向に重なり部を有し
ているので、キャッピング後にスプリットがある程度周
方向に拡がっても、該スプリットから容器口頚部が直接
露見することがなくなり、タンパーエビデントバンドが
破壊された印象を与えることがなく、商品価値を損なう
ことを防止できる。そして、スプリットはタンパーエビ
デントバンドの上下に達する完全な切断となっているの
で、開栓することによってタンパーエビデントバンドは
完全に容器から分離され、従来のように容器口頚部に残
ることがない。また、開栓時にはタンパーエビデントバ
ンド自体を破断する力を要しないので、大きな開栓力を
必要としない。The tamper-evident band thickness cut surface in the thickness direction of the split is formed so as to have a portion passing through a position shifted in the circumferential direction from the outer peripheral surface to the inner peripheral surface of the tamper-evident band, and the cut surface is formed as a wall. Since it has an overlapping portion in the thickness direction, even if the split expands to some extent in the circumferential direction after capping, the neck and neck of the container are not directly exposed from the split, giving an impression that the tamper evidence band is broken. And can prevent loss of commercial value. And since the split is a complete cut reaching above and below the tamper-evident band, opening the tamper-evident band is completely separated from the container and does not remain at the mouth and neck of the container as in the past. . Further, since a force for breaking the tamper-evidence band itself is not required at the time of opening, a large opening force is not required.
【０００８】[0008]
【実施例】以下本発明の実施例を図面に基づき詳細に説
明する。図１は、タンパーエビデントバンドに形成した
フィンが容器口頚部の係合部と係合して開栓抵抗を与え
る形式のタンパーエビデントバンド付き容器蓋に適用し
た場合の実施例である。図中、１が蓋本体であり、２が
タンパーエビデントバンドである。蓋本体１とタンパー
エビデントバンド２の境界には全周にわたって弱化線３
が施されている。この弱化線３は周方向に延びる複数個
のスリットと該スリット間に位置するブリッジ７とから
構成され、開栓時にはタンパーエビデントバンド２の抵
抗に抗して蓋本体を回転させることによって、該弱化線
のブリッジ７が破断され蓋本体とタンパーエビデントバ
ンドとが分離できるようになっている。タンパーエビデ
ントバンド２の内周面には、適宜ピッチで蓋の閉回転方
向に対してはその付け根部からタンパーエビデントバン
ド内周面方向に倒れるように屈曲し、開回転方向に対し
ては逆に起き上がって回転に抵抗を与えるように多数の
フィン４が形成されている。以上の構造は、従来の蓋と
同様であり、合成樹脂で圧縮成形により一体成形されて
いる。DESCRIPTION OF THE PREFERRED EMBODIMENTS Embodiments of the present invention will be described below in detail with reference to the drawings. FIG. 1 shows an embodiment in which a fin formed on a tamper-evidence band is applied to a container lid with a tamper-evidence band of a type in which the fin is engaged with an engagement portion of a neck portion of a container to provide opening resistance. In the figure, 1 is a lid main body, and 2 is a tamper evidence band. A weakening line 3 is formed on the boundary between the lid body 1 and the tamper-evident band 2 over the entire circumference.
Is given. This weakening line 3 is composed of a plurality of slits extending in the circumferential direction and a bridge 7 located between the slits. When the cap is opened, the lid body is rotated against the resistance of the tamper-evidence band 2 so that The bridge 7 of the weakening line is broken so that the lid body and the tamper-evident band can be separated. The inner peripheral surface of the tamper-evident band 2 is bent at an appropriate pitch so that it falls down from the base in the closing rotational direction of the lid in the direction of the inner peripheral surface of the tamper-evident band. Conversely, a large number of fins 4 are formed so as to get up and give resistance to rotation. The above structure is the same as the conventional lid, and is integrally formed by compression molding with a synthetic resin.
【０００９】また、タンパーエビデントバンド２は、縦
方向に完全切断のスプリット５が形成され、開栓時にタ
ンパーエビデントバンドが該スプリットから分離されて
容器口部から除去できるようになっている。本発明で
は、該スプリットは、タンパーエビデントバンド外周面
から内周面に達する肉厚方向の切断面６1が、タンパー
エビデントバンド外周面から内周面に達するまでに外周
面の始点と周方向にずれた位置を通るように形成されて
いる。即ち、図２に示す実施例では、タンパーエビデン
トバンドの外周面上の点ａと内周面上の点ｂは同一の中
心線ｐ上にあるが点ａから点ｂに至る肉厚方向の切断面
は、肉厚のほぼ１／２の位置にあり、かつ中心線ｐと角
θを有する中心線ｑ上にあるｃ点を通ることによって、
タンパーエビデントバンド外周面から内周面に達するま
でにａ点と周方向にずれた位置を通ることになり、その
切断面は半径方向に重なり部を有している。従って、該
スプリットがθ・ｒ（ｒはタンパーエビデントバンドの
中心から外周面までの半径）の幅以上に拡がらない限
り、該スプリットを通して容器口頚部が露見することが
ないので、スプリットは完全に縦方向に切断されたスリ
ットであっても、外見上該スプリットが目立つことがな
く、タンパーエビデントが既に破壊されているような印
象を与えることがない。The tamper-evident band 2 has a split 5 which is completely cut in the longitudinal direction, and the tamper-evident band is separated from the split when the cap is opened, and can be removed from the opening of the container. In the present invention, the split, the cut surface 61 of the thickness direction to reach the inner peripheral surface of the tamper evident band outer peripheral surface, the starting point and periphery of the outer peripheral surface to reach the inner peripheral surface of the tamper evident band outer peripheral surface It is formed so as to pass through a position shifted in the direction. That is, in the embodiment shown in FIG. 2, the point a on the outer peripheral surface and the point b on the inner peripheral surface of the tamper-evident band are on the same center line p, but in the thickness direction from the point a to the point b. The cut surface is located at a position approximately one-half of the thickness and passes through a point c on a center line q having an angle θ with the center line p.
The tamper-evident band passes through a position shifted in the circumferential direction from the point a before reaching the inner circumferential surface from the outer circumferential surface, and the cut surface has an overlapping portion in the radial direction. Therefore, as long as the split does not extend beyond the width of θ · r (r is the radius from the center of the tamper-evidence band to the outer peripheral surface), the neck of the container is not exposed through the split. Even if the slit is cut in the vertical direction, the split does not appear to be apparent, and does not give an impression that the tamper evidence has already been destroyed.
【００１０】図３は、上記スプリットの厚さ方向の切断
線の形状を変えた他の実施例を示し、図（ａ）では外周
面の点ａと異なる中心線上にある内周面の点ｂとを直線
状に結ぶように切断面６2を形成した場合である。ま
た、（ｂ）は同様に外周面の点ａと異なる中心線上にあ
る内周面の点ｂとを半径方向の線と円周方向の線の組合
せにより切断面６3を形成した場合、（ｃ）はほぼ同一
中心線上にある点（ａ）と（ｂ）とを半径方向の線と円
周方向の線との組合せにより切断面６4を形成した場合
を示す。FIG. 3 shows another embodiment in which the shape of the cutting line in the thickness direction of the split is changed. In FIG. 3A, a point b on the inner peripheral surface on a center line different from the point a on the outer peripheral surface. it is a case of forming the cut surface 6 2 so as to connect linearly and. Further, (b) the case of forming the cut surface 6 3 by a combination of the inner circumferential surface radially and b points of the line and the circumferential direction of the line that is on the center line different from a point of the outer peripheral surface as well, ( c) shows the case of forming the cut surface 6 4 by a combination of substantially a point on the same center line (a) and (b) and the radial line and the circumferential direction of the line.
【００１１】以上、本発明にかかる容器蓋の実施例を説
明したが、これら実施例の蓋は、圧縮成形、射出成形ど
ちらでも成形が可能である。また、本発明のタンパーエ
ビデントバンドに形成するスプリットの肉厚方向切断面
の形状は、前記実施例に限るものでなく、タンパーエビ
デントバンド外周面から内周面に達するまでに周方向に
ずれた位置を通る部分を有し、切断面が周方向に重なり
部を有するものであれば、如何なる形状でも良く、例え
ば図２に示すような断面における肉厚方向切断線が直線
のみの組合せ、直線と曲線の組合せ、曲線のみ等、蓋の
加工特性に応じて適宜選択すれば良い。また、本発明は
タンパーエビデントバンドが内周面にフィンを有する型
式のものに限らず、タンパーエビデントバンド下端部内
周面に上向きの可撓性係合片を設けた型式のもの、タン
パーエビデントバンド内周面に係合突起を設けた型式の
もの等、種々の型式のタンパーエビデントバンドに適用
できることは言うまでもない。Although the embodiments of the container lid according to the present invention have been described above, the lid of these embodiments can be formed by either compression molding or injection molding. In addition, the shape of the cut surface in the thickness direction of the split formed in the tamper-evident band of the present invention is not limited to the above-described embodiment, and is shifted in the circumferential direction from the outer peripheral surface of the tamper-evident band to the inner peripheral surface. Any shape may be used as long as it has a portion passing through the position, and the cut surface has an overlapping portion in the circumferential direction. For example, the thickness direction cut line in the cross section as shown in FIG. The combination may be appropriately selected according to the processing characteristics of the lid, such as a combination of a curve and a curve alone. Further, the present invention is not limited to the type in which the tamper-evident band has fins on the inner peripheral surface, and the type in which an upward flexible engagement piece is provided on the inner peripheral surface at the lower end portion of the tamper-evident band. It goes without saying that the present invention can be applied to various types of tamper-evident bands, such as a type in which an engagement protrusion is provided on the inner peripheral surface of the dent band.
【００１２】[0012]
【発明の効果】以上のように、本発明によれば、タンパ
ーエビデントバンドのスプリットのタンパーエビデント
バンド肉厚方向切断面が、タンパーエビデントバンド外
周面から内周面に達するまでに周方向にずれた位置を通
るように形成されているので、キャッピング後にスプリ
ットがある程度周方向に拡げられても、該スプリットか
ら容器口頚部が直接露見することがなくなり、タンパー
エビデントバンドが破壊された印象を与えることがな
く、商品価値を損なうことがない。また、スプリットは
完全切断となっているので、開栓することによってタン
パーエビデントバンドは完全に容器から分離され、容器
口頚部に残ることがない。さらに、開栓時にはタンパー
エビデントバンド自体を破断する力を要しないので、大
きな開栓力を必要としない。As described above, according to the present invention, the tamper-evident band split in the thickness direction of the tamper-evident band split extends from the outer circumferential surface of the tamper-evident band to the inner circumferential surface until it reaches the inner circumferential surface. Is formed so as to pass through a position shifted from the opening, so that even if the split is expanded to some extent in the circumferential direction after capping, the neck and neck of the container are not directly exposed from the split, and the tamper-evident band is destroyed. And does not impair the commercial value. Further, since the split is completely cut, the tamper-evidence band is completely separated from the container by opening, and does not remain on the neck of the container. Further, since a force for breaking the tamper-evident band itself is not required at the time of opening, a large opening force is not required.
【図１】本発明の実施例に係る蓋の一部断面正面図であ
る。FIG. 1 is a partial cross-sectional front view of a lid according to an embodiment of the present invention.
【図２】図１のＡ−Ａ断面図である。FIG. 2 is a sectional view taken along line AA of FIG.
【図３】本発明のさらに他の実施例に係る蓋の要部底面
図である。FIG. 3 is a bottom view of a main part of a lid according to still another embodiment of the present invention.
１ 蓋本体 ２ タンパーエ
ビデントバンド ３ 弱化線 ５ スプリット ６1〜６4 スプリットの肉厚方向切断面DESCRIPTION OF SYMBOLS 1 Lid main body 2 Tamper evidence band 3 Weak line 5 Split 6 1 to 6 4 Cut surface in the thickness direction of split
Claims (2)
ーエビデントバンドを有する容器蓋において、前記スプ
リットのタンパーエビデントバンド肉厚方向切断面が、
タンパーエビデントバンド外周面から内周面に達するま
でに外周面切断始点と周方向にずれた位置を通るように
形成されていることを特徴とする容器蓋。1. A container lid having a tamper-evidence band in which a vertical split is formed, wherein a cut surface of the split in a tamper-evidence band thickness direction is:
A container lid formed so as to pass through a position shifted in a circumferential direction from a cutting start point of an outer peripheral surface before reaching the inner peripheral surface from the outer peripheral surface of the tamper-evident band.
の線との組合せにより形成されている請求項１に記載の
容器蓋。 2. The method according to claim 1, wherein the cutting surface is a radial line and a circumferential line.
2. The combination according to claim 1, wherein the combination of
Container lid.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP32898192A JP3168361B2 (en) | 1992-11-16 | 1992-11-16 | Container lid |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP32898192A JP3168361B2 (en) | 1992-11-16 | 1992-11-16 | Container lid |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH06156516A JPH06156516A (en) | 1994-06-03 |
| JP3168361B2 true JP3168361B2 (en) | 2001-05-21 |
Family
ID=18216274
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP32898192A Expired - Fee Related JP3168361B2 (en) | 1992-11-16 | 1992-11-16 | Container lid |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JP3168361B2 (en) |
Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP4533528B2 (en) * | 2000-12-06 | 2010-09-01 | 日本クラウンコルク株式会社 | Separable disposal plastic cap |
| JP4533530B2 (en) * | 2000-12-20 | 2010-09-01 | 日本クラウンコルク株式会社 | Separable disposal plastic cap |
| JP4842467B2 (en) * | 2001-08-27 | 2011-12-21 | 日本クラウンコルク株式会社 | Plastic cap |
| US8517194B2 (en) * | 2004-03-11 | 2013-08-27 | Berry Plastics Corporation | Tamper-indicating closure and package |
| JP5411750B2 (en) * | 2010-03-11 | 2014-02-12 | 日本山村硝子株式会社 | cap |
-
1992
- 1992-11-16 JP JP32898192A patent/JP3168361B2/en not_active Expired - Fee Related
Also Published As
| Publication number | Publication date |
|---|---|
| JPH06156516A (en) | 1994-06-03 |
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