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JP4401467B2 - Plastic cap - Google Patents
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JP4401467B2 - Plastic cap - Google Patents

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Publication number
JP4401467B2
JP4401467B2 JP05519199A JP5519199A JP4401467B2 JP 4401467 B2 JP4401467 B2 JP 4401467B2 JP 05519199 A JP05519199 A JP 05519199A JP 5519199 A JP5519199 A JP 5519199A JP 4401467 B2 JP4401467 B2 JP 4401467B2
Authority
JP
Japan
Prior art keywords
container
fitting
cap
mouth
fitting portion
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
Application number
JP05519199A
Other languages
Japanese (ja)
Other versions
JP2000255615A (en
Inventor
仁昭 吉田
Original Assignee
天龍化学工業株式会社
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by 天龍化学工業株式会社 filed Critical 天龍化学工業株式会社
Priority to JP05519199A priority Critical patent/JP4401467B2/en
Publication of JP2000255615A publication Critical patent/JP2000255615A/en
Application granted granted Critical
Publication of JP4401467B2 publication Critical patent/JP4401467B2/en
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

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Description

【0001】
【発明の属する技術分野】
本発明は、打栓によって容器の口部に嵌着させるようにした合成樹脂製のキャップに関するものである。
【0002】
【従来の技術】
打栓によって容器の口部に強制嵌合させるタイプのキャップは、バージン性を確実に保証できるという利点や、注出口の形状を自由に設定できる等の利点がある一方で、容器から分離することが困難であるため、使用後において容器をリサイクルしたり廃棄処理したりするに際して、キャップと容器とを分別し難いという問題があった(特にガラス瓶の場合、リサイクルのためには必ずキャップを取り外さなければならないため、分別の問題が顕著になる)。
【0003】
そこで、本願出願人は、特開平 7− 61454号において、キャップのうち容器の口部に嵌着する嵌合部に、当該嵌合部を引き裂くための薄肉状の弱化部と撮み片とを設けることを提案した。
【0004】
【発明が解決しようとする課題】
前記公報の構成によると、撮み片を指先で摘んでキャップの嵌合部を弱化部に沿って引き裂くことにより、使用後にキャップを容器から簡単に取り外すことができる。しかし、この先行技術のようにキャップに弱化部を設けると、それだけ容器の口部に対する嵌合強度が低くなると共に、打栓工程で弱化部が破断してしまう虞があるという問題があった。
【0005】
本発明は、容器の口部への嵌合強度を低下させることなく、キャップを容器から簡単に取り外しできるようにすることを目的とするものである。
【0006】
【課題を解決するための手段】
本発明は、容器の口部の外側から嵌まる外嵌合部を有するとともに注出口が設けられた嵌合部と、前記嵌合部の上端にヒンジを介して一体的に設けられた開閉自在な蓋とから成り、前記嵌合部を容器の口部に打栓によって強制嵌合することにより、容器に取り付けたままで使用されるようになっており、且つ、前記嵌合部には、当該嵌合部を容器の口部から強引に引き離すための指掛け部が一体に設けられているキャップにおいて、前記指掛け部は、前記ヒンジの下方を除いて嵌合部を囲うようにリング状に形成されており、前記指掛け部の両端を嵌合部に一体に連結している。
【0007】
【0008】
【作用・効果】
本発明においては、リング状の指掛け部に指を掛けて強く引っ張ることにより、キャップを容器の口部から引き離すもので、使用後に簡単に容器口部から簡単に取り外すことができる。
【0009】
【発明の実施形態】
次に、本発明の実施形態を図面に基づいて説明する。
【0010】
図1のうち、(A)は縦断面図、 (B)は一部破断平面図である。本実施形態で使用する容器1は合成樹脂製である。
【0011】
キャップ5は、容器1の口部2に外側から嵌まる外嵌合部6と、容器1の口部2に内側から嵌合する内嵌合部7と、両嵌合部6,7の上端に連設した注出口8とを備えており、注出口8は底板9で塞がれている。底板9には、閉ループ状のスコアー(薄肉部)10が形成されており、スコアー10で囲われた部分の端部に開封用のプルタブ11を一体に設けている。なお、底板9は必ずしも必要はなく、例えばアルミ箔等のシール片を注出口8に溶着するなどして封止しても良い。
【0012】
キャップ5の両嵌合部6,7 には、係合部の一例として環状突起12が形成されている一方、容器1の口部2の内外両面には、前記係合部12が嵌合する係止部の一例として環状溝13が形成されており、キャップ5を、図示しないポンチで打栓し、キャップ5の両嵌合部6,7 をその弾性に抗しての変形によって容器1の口部2に強制的に嵌合させることにより、容器1の密封が行われる。
【0013】
そして、キャップ5における外嵌合部6の外側に、リング状の指掛け部14を配置している。このリング状の指掛け部14の両端は、引き千切り不能な連結部15を介して外嵌合部6に一体に接続されており、更に、円周方向に沿った複数箇所が、引き千切り可能なブリッジ部16を介して外嵌合部6に繋がれている。図面では示していないが、指掛け部14のうち連結部15と反対側の部位に、指掛け部14を起こすための指掛け片を設けても良い。
【0014】
容物を消費し切って廃棄した後は、指掛け部14を起こしてブリッジ部16を引き千切ってから、指掛け部14に指を掛けて強く引っ張ることにより、内外嵌合部6,7と容器1口部2との嵌合を解除して、キャップ5を容器1から簡単に取り外すことができる。この場合、指掛け部14が大径であることにより、当該指掛け部14に数本の指を掛けて強く引っ張ることができるため、キャップ5を簡単に取り外すことができる。
【0015】
実施形態のようにブリッジ部16を介して指掛け部14がキャップ5に連設されている、ブリッジ部16の引き千切りの有無によって流通段階での不正行為の有無を確認できる利点がある。なお、キャップ5を取り外すに当たっては、例えば柱のような適当な固定部材に上向きの鉤を設けて、この鉤に指掛け部14を引っ掛けて、両手又は片手で容器1を掴んで下方に引き下ろしても良い。
【0016】
さらに、外嵌合部6の上端に、三点支持式のヒンジ17を介して開閉自在な蓋18を一体に設けている。底板9のスコアー10は平面視円形に形成している。さて、このタイプのキャップ5は、蓋18を 180度開いた状態で成形されるものであり、成形した後の型抜きの容易性の点から、外嵌合部6の外面のうちヒンジ17の下方の部位には突起を設けることができない。
【0017】
そこで、分図 (B)に示すように、指掛け部14は、ヒンジ17の下方を除いて外嵌合部6を囲うように配置されており、指掛け部14の両端が連結部15を介して外嵌合部6に一体に連結されている
【0018】
【0019】
【0020】
【0021】
≪その他≫
以上、本発明の実施形態を説明したが、本発明は更に種々の態様に具体化できる
【0022】
例えば、キャップの取り外しに際してキャップの外嵌合部が破断しても良いのであり、嵌合部上下寸法が直径に比べて大きい場合、嵌合部の下端部に、破断のきっかけとなる切欠きや薄肉部などを形成しておいても良い(これらの切欠きや薄肉部等は、打栓時に張力が全く又は殆どかからない状態で形成しておくのが望ましい)。
【0023】
【図面の簡単な説明】
【図1】本願発明に係る実施形態を示す図で、 (A)は断面図、 (B)は一部破断平面図である。
【符号の説明】
2 容器の口部
5 キャップ
6 外嵌合部
7 内嵌合部
14 指掛け部
15 連結部
16 ブリッジ部
[0001]
BACKGROUND OF THE INVENTION
The present invention relates to a synthetic resin cap that is fitted into the mouth of a container by a stopper.
[0002]
[Prior art]
Caps that are forcibly fitted into the container mouth by plugging have the advantage that the virginity can be reliably guaranteed and the shape of the spout can be set freely, while being separated from the container. This makes it difficult to separate the cap from the container when the container is recycled or disposed of after use (especially for glass bottles, the cap must be removed for recycling). Because of this, the problem of separation becomes significant . )
[0003]
Therefore, the applicant of the present application disclosed in Japanese Patent Application Laid-Open No. 7-61454 is provided with a thinned weakened portion and a photographing piece for tearing the fitting portion in the fitting portion of the cap that fits into the mouth portion of the container. Proposed to install.
[0004]
[Problems to be solved by the invention]
According to the configuration of the above publication, the cap can be easily removed from the container after use by picking the photographing piece with a fingertip and tearing the fitting portion of the cap along the weakened portion. However, when the weakened portion is provided in the cap as in the prior art, there is a problem that the fitting strength with respect to the mouth portion of the container is lowered, and the weakened portion may be broken in the stoppering process.
[0005]
An object of the present invention is to make it possible to easily remove a cap from a container without reducing the fitting strength to the mouth of the container.
[0006]
[Means for Solving the Problems]
The present invention has an outer fitting portion that fits from the outside of the mouth portion of the container, and a fitting portion that is provided with a spout, and an openable / closable portion that is integrally provided at the upper end of the fitting portion via a hinge A lid, forcibly fitting the fitting part to the mouth of the container with a stopper, so that the fitting part is used while being attached to the container. In the cap integrally provided with a finger hook portion for forcibly pulling the fitting portion away from the mouth portion of the container, the finger hook portion is formed in a ring shape so as to surround the fitting portion except under the hinge. And both ends of the finger-hanging portion are integrally connected to the fitting portion.
[0007]
[0008]
[Action / Effect]
In the present invention, by a Turkey tensile strongly over a finger on the finger hook portions of the ring-shaped, intended to separate the cap from the mouth of the container, can be easily removed easily from the container mouth portion after use.
[0009]
DETAILED DESCRIPTION OF THE INVENTION
Next, embodiments of the present invention will be described with reference to the drawings.
[0010]
1A is a longitudinal sectional view, and FIG . 1B is a partially broken plan view . Container 1 used in this embodiment Ru der synthetic resin.
[0011]
The cap 5 includes an outer fitting portion 6 that fits into the mouth portion 2 of the container 1 from the outside, an inner fitting portion 7 that fits into the mouth portion 2 of the container 1 from the inside, and upper ends of the fitting portions 6 and 7. The spout 8 is connected to the bottom plate 9 and is closed by a bottom plate 9. The bottom plate 9 is formed with a closed loop-shaped score (thin wall portion) 10, and an opening pull tab 11 is integrally provided at the end portion of the portion surrounded by the score 10. The bottom plate 9 is not necessarily required, and may be sealed by welding a sealing piece such as an aluminum foil to the spout 8, for example.
[0012]
An annular projection 12 is formed as an example of an engaging portion on both fitting portions 6 and 7 of the cap 5, while the engaging portion 12 is fitted on both the inside and outside surfaces of the mouth portion 2 of the container 1. An annular groove 13 is formed as an example of the locking portion. The cap 5 is plugged with a punch (not shown), and the fitting portions 6 and 7 of the cap 5 are deformed against its elasticity to deform the container 1. By forcibly fitting the mouth 2, the container 1 is sealed.
[0013]
A ring-shaped finger hook 14 is arranged outside the outer fitting portion 6 in the cap 5. Both ends of the ring-shaped finger-hanging portion 14 are integrally connected to the outer fitting portion 6 via a connecting portion 15 that cannot be shredded, and a plurality of locations along the circumferential direction can be shredded. It is connected to the outer fitting part 6 via the bridge part 16. Although not shown in the drawings, a portion opposite to the connecting portion 15 of the finger rest 14 may be provided with a finger rest for causing the finger hook 14.
[0014]
After discarding to fully consume the contents was, from the cut torn the bridge section 16 causing the finger hook 14, by pulling strongly over the finger on the finger hook 14, and the inner and outer fitting portion 6 and 7 The cap 5 can be easily removed from the container 1 by releasing the fitting with the mouth 2 of the container 1. In this case, since the finger-hanging portion 14 has a large diameter, several fingers can be put on the finger-hanging portion 14 and pulled strongly, so that the cap 5 can be easily removed.
[0015]
There is an advantage that the presence or absence of fraud in the distribution stage can be confirmed by the presence or absence of the stripping of the bridge portion 16 in which the finger hook portion 14 is connected to the cap 5 via the bridge portion 16 as in the embodiment. In removing the cap 5, for example, an upward hook is provided on an appropriate fixing member such as a pillar, and the finger hook 14 is hooked on the hook, and the container 1 is grasped with both hands or one hand and pulled downward. not good.
[0016]
Further , a lid 18 that can be opened and closed is integrally provided at the upper end of the outer fitting portion 6 via a three-point support type hinge 17. The score 10 of the bottom plate 9 is formed in a circular shape in plan view. Now, this type of cap 5 is formed with the lid 18 opened 180 degrees. From the viewpoint of ease of die-cutting after forming, the cap 17 of the outer fitting portion 6 has a hinge 17. A protrusion cannot be provided in the lower part.
[0017]
Therefore , as shown in the partial diagram (B), the finger hooking portion 14 is disposed so as to surround the outer fitting portion 6 except for the lower portion of the hinge 17, and both ends of the finger hooking portion 14 are connected via the connecting portion 15. The outer fitting portion 6 is integrally connected .
[0018]
[0019]
[0020]
[0021]
≪Others≫
As mentioned above, although embodiment of this invention was described, this invention can be embodied in a various aspect further .
[0022]
For example, when the cap is removed, the outer fitting portion of the cap may be broken, and when the vertical dimension of the fitting portion is larger than the diameter, a notch that causes a breakage is formed at the lower end portion of the fitting portion. and thin portions may be previously formed and (notch or thin portion thereof and the like are the previously formed in a state of tension at the time of capping is not applied at all or most desirable.).
[0023]
[Brief description of the drawings]
1A and 1B are diagrams showing an embodiment according to the present invention, in which FIG. 1A is a cross-sectional view, and FIG.
[Explanation of symbols]
2 Container mouth part 5 Cap 6 Outer fitting part 7 Inner fitting part
14 Finger rest
15 Connecting part
16 Bridge section

Claims (1)

容器の口部の外側から嵌まる外嵌合部を有するとともに注出口が設けられた嵌合部と、前記嵌合部の上端にヒンジを介して一体的に設けられた開閉自在な蓋とから成り、前記嵌合部を容器の口部に打栓によって強制嵌合することにより、容器に取り付けたままで使用されるようになっており、且つ、前記嵌合部には、当該嵌合部を容器の口部から強引に引き離すための指掛け部が一体に設けられているキャップであって、
前記指掛け部は、前記ヒンジの下方を除いて嵌合部を囲うようにリング状に形成されており、前記指掛け部の両端を嵌合部に一体に連結している、
合成樹脂製キャップ。
A fitting part having an outer fitting part fitted from the outside of the mouth part of the container and provided with a spout, and an openable / closable lid integrally provided at the upper end of the fitting part via a hinge The fitting portion is adapted to be used while attached to the container by forcibly fitting the fitting portion to the mouth portion of the container, and the fitting portion includes the fitting portion. A cap provided integrally with a finger hook for pulling it away from the mouth of the container ,
The finger hanging portion is formed in a ring shape so as to surround the fitting portion except under the hinge, and both ends of the finger hanging portion are integrally connected to the fitting portion.
Synthetic resin Seiki turbocharger-up.
JP05519199A 1999-03-03 1999-03-03 Plastic cap Expired - Fee Related JP4401467B2 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP05519199A JP4401467B2 (en) 1999-03-03 1999-03-03 Plastic cap

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP05519199A JP4401467B2 (en) 1999-03-03 1999-03-03 Plastic cap

Publications (2)

Publication Number Publication Date
JP2000255615A JP2000255615A (en) 2000-09-19
JP4401467B2 true JP4401467B2 (en) 2010-01-20

Family

ID=12991814

Family Applications (1)

Application Number Title Priority Date Filing Date
JP05519199A Expired - Fee Related JP4401467B2 (en) 1999-03-03 1999-03-03 Plastic cap

Country Status (1)

Country Link
JP (1) JP4401467B2 (en)

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP4723756B2 (en) * 2001-06-06 2011-07-13 日本クラウンコルク株式会社 Container lid
JP4815981B2 (en) * 2005-10-06 2011-11-16 東洋製罐株式会社 Inner stopper and cap with inner stopper
JP5125163B2 (en) * 2007-03-16 2013-01-23 凸版印刷株式会社 Cap that can be easily separated
JP5101259B2 (en) * 2007-11-30 2012-12-19 株式会社吉野工業所 cap
JP5527517B2 (en) * 2009-11-02 2014-06-18 東洋製罐株式会社 Plastic stopper for injection
JP5841327B2 (en) * 2010-12-10 2016-01-13 日本クロージャー株式会社 Hinged cap with separation and disposal function and method for manufacturing the same
JP5711976B2 (en) * 2011-01-07 2015-05-07 三笠産業株式会社 Synthetic resin caps and containers with caps

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JP2000255615A (en) 2000-09-19

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