JPH06156516A - Container cap - Google Patents
Container capInfo
- Publication number
- JPH06156516A JPH06156516A JP4328981A JP32898192A JPH06156516A JP H06156516 A JPH06156516 A JP H06156516A JP 4328981 A JP4328981 A JP 4328981A JP 32898192 A JP32898192 A JP 32898192A JP H06156516 A JPH06156516 A JP H06156516A
- Authority
- JP
- Japan
- Prior art keywords
- tamper
- split
- evidence 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.)
- Granted
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
Abstract
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。FIELD OF THE INVENTION The present invention relates to a container lid having a tamper evidence 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 Heretofore, lids having a so-called tamper-evidence function have been widely used in lids of food bottles or the like so that it is possible to know if they are illegally opened during distribution. This type of lid generally has a tamper-evidence band that can be detached at the lower end of the lid body, and when the lid is opened, it can be seen that the tamper-evidence band is detached from the lid body so that the lid is opened. It is like this. However, such a tamper-evidence band is unnecessary after opening, and it is necessary to remove it from the container mouth when reusing a used container 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６１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 conventional reinforcing bridge portion is left at the boundary between the lid body and the tamper-evidence band portion.
A split is formed in the tamper-evidence band in the longitudinal direction from the end of the bridge part, and the split is opened by turning the lid when opening, so that the tamper-evidence band is separated from the neck of the container together with the lid body. Has become. Conventionally, the split is in a completely cut state (see, for example, JP-A-61-28767).
No.) and a line that is not completely cut but has weakened lines such as perforations and scores (for example,
JP-A-61-213535, JP-B-62-1209
No. 6, etc.).
【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。However, the latter of the above prior arts is elastic, unlike metal, in the case of a synthetic resin lid,
The tamper-evidence band stretches when the plug is opened, the lid comes off before the split is broken, and when the lid body is pulled, the reinforcing bridge is cut.
Therefore, the tamper-evidence band and the lid body are separated, but the longitudinal weakening line of the tamper-evidence band is not completely broken, so the tamper-evidence band remains in the neck of the container and the container is reused. There is a drawback that it is difficult to do. On the other hand, in the case of the former, the capped state is spread by the engaging portion formed on the neck and neck of the container, the split neck is exposed from the split, and the neck and neck of the container are exposed, and the tamper-evidence band is broken and the defective product. It was easy to see and had the drawback of degrading 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。DISCLOSURE OF THE INVENTION The present invention is intended to solve the above problems of the tamper-evidence band in the conventional container lid, and it is easy to open the tamper-evidence band, and the tamper-evidence band can be opened at the time of opening. It can be completely removed from the neck and neck of the container and does not hinder the reuse of the container.After opening the cap, the lid body and tamper-evidence band are completely separated and resealing is easy, and the container An object of the present invention is to provide a container lid with a tamper-evidence band, which has a good commercial value and which does not easily reveal the neck and neck of the container from the split in the capped state and has a high commercial value.
【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。The container lid of the present invention for solving the above-mentioned problems is a container lid having a tamper-evidence band in which a split is formed in the longitudinal direction, and the cut surface in the thickness direction of the split is The tamper-evidence band is characterized in that it is formed so as to have a portion passing through a position displaced 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。[Function] The split tamper-evidence band is formed so that the cut surface in the thickness direction has a portion that passes through a position that is displaced in the circumferential direction from the outer peripheral surface of the tamper evidence band to the inner peripheral surface. Since there is an overlapping part in the thickness direction, even if the split expands in the circumferential direction to some extent after capping, the neck of the container mouth is not exposed directly from the split, giving the impression that the tamper evidence band is destroyed. Therefore, it is possible to prevent the loss of product value. And since the split is a complete cut that reaches the top and bottom of the tamper-evidence band, the tamper-evidence band is completely separated from the container by opening it, and it does not remain on the neck of the container mouth as in the past. . Moreover, since a force for breaking the tamper-evidence band itself is not required at the time of opening the cap, 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。Embodiments of the present invention will now be described 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 in which a fin is engaged with an engaging portion of the neck of the container to provide opening resistance. In the figure, 1 is a lid body and 2 is a tamper-evidence band. At the boundary between the lid body 1 and the tamper-evidence band 2, a weakening line 3 is formed over the entire circumference.
Has been applied. The weakening line 3 is composed of a plurality of slits extending in the circumferential direction and a bridge 7 located between the slits, and by rotating the lid main body against the resistance of the tamper-evidence band 2 at the time of opening, 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-evidence band 2 is bent at an appropriate pitch so as to fall from the root of the lid toward the inner peripheral surface of the tamper-evidence band in the closing rotation direction of the lid, and in the opening rotation direction. On the contrary, a large number of fins 4 are formed so as to rise and give a resistance to rotation. The above structure is similar to that of the conventional lid, and is integrally molded by compression molding with 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。Further, the tamper-evidence band 2 is formed with a split 5 which is completely cut in the longitudinal direction, and the tamper-evidence band is separated from the split and can be removed from the container mouth when the stopper is opened. 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 deviated 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 evidence band are on the same center line p, but in the thickness direction from the point a to the point b. The cutting plane is at a position of about ½ of the wall thickness and passes through a point c on the center line q having an angle θ with the center line p,
The tamper-evidence band passes through a position deviated from the outer peripheral surface to the inner peripheral surface in the circumferential direction with point a, 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 is not conspicuous in appearance and the tamper evidence is not 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, and 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. This is the case where the cut surface 6 2 is formed so as to connect and in a straight line. Similarly, (b) shows a case where the cutting surface 6 3 is formed by combining a point a on the outer peripheral surface and a point b on the inner peripheral surface on a different center line with a combination of a radial line and a circumferential line. C) shows a case where the cutting plane 6 4 is formed by combining points (a) and (b) which are substantially on the same center line with a line in the radial direction and a line in the circumferential direction.
【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。The embodiments of the container lid according to the present invention have been described above, but the lids of these embodiments can be molded by either compression molding or injection molding. Further, the shape of the cut surface in the thickness direction of the split formed in the tamper-evidence band of the present invention is not limited to the above-mentioned embodiment, and it shifts in the circumferential direction from the outer surface of the tamper-evidence band to the inner surface thereof. 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, a combination of only straight cutting lines in the thickness direction in a cross section as shown in FIG. A combination of a curve and a curve, or only a curve may be appropriately selected according to the processing characteristics of the lid. Further, the present invention is not limited to the type in which the tamper-evidence band has fins on the inner peripheral surface, but the type in which the upward flexible engaging piece is provided on the inner peripheral surface of the lower end of the tamper-evidence band, the tamper-ebi It is needless to say that the present invention can be applied to various types of tamper-evidence bands such as a type in which an engaging 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-evidence band in the split direction of the tamper-evidence band is cut in the circumferential direction from the outer peripheral surface to the inner peripheral surface. Since it is formed so as to pass through a position displaced to the outside, even if the split is expanded to some extent in the circumferential direction after capping, the neck of the container mouth is not exposed directly from the split, and the tamper-evidence band is destroyed. The product value is not impaired. Further, since the split is completely cut, the tamper-evidence band is completely separated from the container by opening it, and does not remain on the neck of the container. Furthermore, since no force for breaking the tamper-evidence band itself is 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1 Lid body 2 Tamper-evidence band 3 Weakening line 5 Split 6 1 to 6 4 Cut face in thickness direction of split
Claims (1)
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 the tamper-evidence band thickness cut surface of the split is
A container lid, which is formed so as to pass through a position shifted in the circumferential direction from the outer peripheral surface cutting start point from the outer peripheral surface to the inner peripheral surface of the tamper evidence band.
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 true JPH06156516A (en) | 1994-06-03 |
| JP3168361B2 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) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2002173159A (en) * | 2000-12-06 | 2002-06-18 | Japan Crown Cork Co Ltd | Plastic cap capable of being classifiably disposed |
| JP2002193288A (en) * | 2000-12-20 | 2002-07-10 | Japan Crown Cork Co Ltd | Separately disposable plastic cap |
| JP2003072795A (en) * | 2001-08-27 | 2003-03-12 | Japan Crown Cork Co Ltd | Cap made of synthetic resin |
| JP2011184096A (en) * | 2010-03-11 | 2011-09-22 | Nihon Yamamura Glass Co Ltd | Cap |
| US8517194B2 (en) * | 2004-03-11 | 2013-08-27 | Berry Plastics Corporation | Tamper-indicating closure and package |
-
1992
- 1992-11-16 JP JP32898192A patent/JP3168361B2/en not_active Expired - Fee Related
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2002173159A (en) * | 2000-12-06 | 2002-06-18 | Japan Crown Cork Co Ltd | Plastic cap capable of being classifiably disposed |
| 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 |
| JP2002193288A (en) * | 2000-12-20 | 2002-07-10 | Japan Crown Cork Co Ltd | Separately disposable plastic cap |
| JP2003072795A (en) * | 2001-08-27 | 2003-03-12 | Japan Crown Cork Co Ltd | Cap made of synthetic resin |
| US8517194B2 (en) * | 2004-03-11 | 2013-08-27 | Berry Plastics Corporation | Tamper-indicating closure and package |
| JP2011184096A (en) * | 2010-03-11 | 2011-09-22 | Nihon Yamamura Glass Co Ltd | Cap |
Also Published As
| Publication number | Publication date |
|---|---|
| JP3168361B2 (en) | 2001-05-21 |
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