JP4417890B2 - Caps and carbonated beverage bottles - Google Patents
Caps and carbonated beverage bottles Download PDFInfo
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- JP4417890B2 JP4417890B2 JP2005206667A JP2005206667A JP4417890B2 JP 4417890 B2 JP4417890 B2 JP 4417890B2 JP 2005206667 A JP2005206667 A JP 2005206667A JP 2005206667 A JP2005206667 A JP 2005206667A JP 4417890 B2 JP4417890 B2 JP 4417890B2
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- inner peripheral
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Description
本発明は、いわゆるラムネびんの封緘に用いるキャップ及びキャップを装着したラムネびんに関する。 The present invention relates to a cap used for sealing a so-called ramune bottle and a ramune bottle equipped with the cap.
下記特許文献などに示されるように、概略ドーム形状をなし、内周面にびん口部外周の環状突条と係合する突条を有し、頂部中央に注出口を有するキャップ本体と、キャップ本体内側に配設され、概略筒状をなし、外周がびん口部内周面に接触して気密性を保持し、かつ、内周部分で包持する封緘玉との接触で気密性を保持するパッキン部材と、このパッキン部材の内周部分で包持される封緘玉とからなる炭酸飲料びんのキャップが知られている。
この種のキャップは、キャップ本体、パッキン部材及び封緘玉を事前に組み立て一体化しておき、びん口部に打栓するもので、きわめて容易にラムネびんの封緘をすることができるキャップとして知られている。通常、キャップ本体はびん口にしっかりと係合されるように、ポリプロピレンなどの比較的硬質の材料を用い、パッキン部材はびん口内面及び封緘玉外面に接触して気密性が保たれるようにポリエチレンなどの比較的軟質の材料が用いられる。 This type of cap is known as a cap that can seal a ramune bottle very easily, assembling and integrating the cap body, packing member, and sealing ball in advance and plugging them into the bottle mouth. Yes. Normally, the cap body is made of a relatively hard material such as polypropylene so that the cap body is firmly engaged with the bottle mouth, and the packing member is kept in contact with the inner surface of the bottle mouth and the outer surface of the sealing ball so that airtightness is maintained. A relatively soft material such as polyethylene is used.
近年、キャップをびんから容易に取り外すことを可能として、びんとキャップとを分別してリサイクルを行うことを容易とし、資源の有効利用を図ることが求められている。特開2001−146253には、この種のキャップ本体に半径方向の弱化溝を設けておき、飲み終わった後は専用の器具で注出口を押し広げることで、弱化溝からキャップ本体を破壊してキャップをびんから取り除くことができるようにする技術が開示されている。 In recent years, it has been demanded that the cap can be easily removed from the bottle, the bottle and the cap are separated and easily recycled, and resources are effectively used. Japanese Patent Laid-Open No. 2001-146253 provides a weakening groove in the radial direction in this type of cap body, and after drinking, the cap body is destroyed from the weakening groove by pushing out the spout with a special instrument. Techniques have been disclosed that allow the cap to be removed from the bottle.
従来のこの種のキャップは、キャップを打栓機でびん口部に一気に打栓し、キャップ本体内側に形成された突条と、びん口部外周の環状突条とを係合させてキャップをびん口部に装着するものである。キャップ本体に半径方向の弱化溝を設けると、打栓機でキャップをびん口部に打栓する際に、キャップ本体の径が拡げられることにより、又打栓の衝撃により弱化溝が破れてキャップが損傷し、不良品となってしまうことがあった。本発明は、飲み終わった後にキャップをびんから容易に取り除くことのできるキャップをびん口部に装着するときに、キャップが損傷することのないようにすることを課題としてなされたものである。 In this type of conventional cap, the cap is plugged into the bottle mouth part at once with a stopper, and the cap formed by engaging the protrusion formed inside the cap body with the annular protrusion on the outer periphery of the bottle mouth part. Attached to the bottle mouth. If the cap body is provided with a radial weakening groove, when the cap is plugged into the bottle mouth with a plugging machine, the diameter of the cap body is expanded, and the weakening groove is broken by the impact of the stopper and the cap. May be damaged and become defective. An object of the present invention is to prevent the cap from being damaged when a cap that can be easily removed from the bottle after drinking is attached to the bottle mouth portion.
本発明は、概略ドーム形状をなし、内周面にびん口部外周の突条と係合する突条を有し、頂部中央に注出口を有するキャップ本体と、キャップ本体内側に配設され、概略筒状をなし、外周面がびん口部内周面に接触して気密性を保持し、かつ、内周部分で包持する封緘玉との接触で気密性を保持するパッキン部材と、このパッキン部材の内周部分で包持される封緘玉とからなる炭酸飲料びんのキャップであって、前記キャップ本体に半径方向の弱化溝が形成され、前記封緘玉を押し下げることで開栓し、内容液を飲み終わった後は前記注出口を押し広げることで前記弱化溝からキャップ本体を破壊してキャップをびんから取り除くことができ、前記キャップ本体の頂部の弱化溝以外の部分に複数の凸部が形成されており、キャップをびん口部に打栓するときに、打栓機のヘッドがキャップ本体の凸部以外の部分に接触しないことを特徴とする炭酸飲料びんのキャップである。
また本発明は、上記キャップを口部に装着したことを特徴とする炭酸飲料びんである。
The present invention has a generally dome shape, has a ridge that engages with a ridge on the outer periphery of the bottle mouth portion on the inner peripheral surface, a cap main body having a spout at the center of the top, and disposed inside the cap main body, A packing member that has a generally cylindrical shape, has an outer peripheral surface that is in contact with the inner peripheral surface of the bottle opening portion to maintain airtightness, and that maintains airtightness by contact with a sealing ball held in the inner peripheral portion, and this packing A carbonated beverage bottle cap comprising a sealing ball held by the inner peripheral portion of a member, wherein a weakened groove in the radial direction is formed in the cap body, and the sealing ball is opened by pushing down the sealing ball. After having finished drinking, the cap body can be destroyed from the weakened groove by pushing out the spout, and the cap can be removed from the bottle, and there are a plurality of convex portions on the top of the cap body other than the weakened groove. is formed, the bottle mouth cap When capping is a cap carbonated beverage bottles, wherein a head of the capping machine does not contact the portion other than the convex portion of the cap body.
Moreover, this invention is a carbonated drink bottle characterized by mounting the cap on the mouth.
本発明のキャップは上記の構成であるので、打栓機でびん口部に打栓する際、打栓機のヘッドが凸部に接触し、弱化溝部分に直接接触しないので、打栓の際に弱化溝に作用する衝撃が緩和され、打栓時に弱化溝が破れてキャップが損傷するおそれが少なくなる。 Since the cap of the present invention has the above-described configuration, when the stopper is plugged into the bottle mouth, the head of the stopper hits the convex part and does not directly contact the weakened groove. The impact acting on the weakening groove is alleviated, and the risk of the weakening groove breaking and damaging the cap at the time of plugging is reduced.
凸部はなるべく弱化溝から離れた位置に形成されていることが望ましい。したがって、弱化溝が複数形成されている場合、凸部は弱化溝の間の中央に形成されるのがよい。 It is desirable that the convex portion be formed as far as possible from the weakening groove. Therefore, when a plurality of weakening grooves are formed, the convex portion is preferably formed at the center between the weakening grooves.
凸部の形状は半径方向に形成された細長い凸条であることが望ましい。打栓機のヘッドから受ける力がキャップの側壁から下方向に伝わりやすくなり、弱化溝に作用する無理な力が減少し、弱化溝が破れてキャップが損傷するおそれが一層少なくなる。 As for the shape of a convex part, it is desirable that it is the elongate convex strip formed in the radial direction. The force received from the head of the stopper is easily transmitted downward from the side wall of the cap, the excessive force acting on the weakening groove is reduced, and the possibility that the weakening groove is broken and the cap is damaged is further reduced.
本発明のキャップ及び該キャップを口部に装着した炭酸飲料びんは、キャップ本体を破断することでキャップをびんから容易に取り除くことができるから、びんとキャップとを分別してリサイクルを行うことが容易であり、資源の有効利用に貢献するものである。また、キャップをびんに装着するときにキャップが損傷を受けることが少ないので、不良品の発生が減少する。 Since the cap of the present invention and the carbonated beverage bottle with the cap attached to the mouth can be easily removed from the bottle by breaking the cap body, it is easy to separate and recycle the bottle and the cap. And contributes to the effective use of resources. In addition, since the cap is rarely damaged when the cap is attached to the bottle, the occurrence of defective products is reduced.
以下、実施例を表した図面に基づいて、本発明を詳細に説明する。図1は実施例のキャップ1の上面図、図2は図1におけるAA線断面図、図3は打栓時の説明図である。 Hereinafter, the present invention will be described in detail with reference to the drawings showing examples. 1 is a top view of the cap 1 of the embodiment, FIG. 2 is a cross-sectional view taken along the line AA in FIG. 1, and FIG.
図に示すキャップ1は、キャップ本体2、パッキン部材3及び封緘玉4からなる。キャップ本体2はポリプロピレン製で、概略ドーム形の全体形状をなしており、内周面にびん20口部外周の環状の突条21と螺合する突条7を有し、頂部中央に注出口5を有する。注出口5の周囲は、頂部から下方に向かって形成された周壁8となっており、その下端にはパッキン部材3を結合するための突起9が形成されている。キャップ本体2の内面には、V字状の弱化溝6が半径方向に向けて等間隔(120°間隔)に3本設けられている。弱化溝はキャップ本体の外面に設けても良いし、内面と外面の双方に設けても良い。また、キャップ本体2の頂部を含む外面に3個の凸部13が形成されている。凸部13は半径方向に形成された細長い凸条で、弱化溝6の間の真ん中の位置、すなわち弱化溝から60°の位置に形成されている。
A cap 1 shown in the figure includes a cap body 2, a packing member 3, and a sealing ball 4. The cap body 2 is made of polypropylene and has an overall dome shape. The cap body 2 has a ridge 7 threadedly engaged with an annular ridge 21 on the outer periphery of the bottle 20 mouth on the inner peripheral surface, and a spout at the center of the top. 5 The periphery of the spout 5 is a peripheral wall 8 formed downward from the top, and a projection 9 for connecting the packing member 3 is formed at the lower end thereof. Three V-shaped weakening
パッキン部材3はポリエチレン製で、概略筒状をなしており、外周面がびん20の口部の内周面に接触して気密性を保持する。外周面にはフランジ部11が形成され、その下面がびん口部上面に接触する。フランジ部11の基端には周溝12が設けられ、これにより外周面が弾性的にびん口内周面に押圧される。内周部分ではガラス製の封緘玉4が包持される。パッキン部材3の内周部分と封緘玉4の外面とは、内周部分が封緘玉に押圧されて弾性的に接触し、気密性が保持されている。パッキン部材3の上部の内側には突起10が形成され、これとキャップ本体の突起9とが係合することでパッキン部材3がキャップ本体2に結合される。 The packing member 3 is made of polyethylene and has a substantially cylindrical shape, and the outer peripheral surface is in contact with the inner peripheral surface of the mouth portion of the bottle 20 to maintain airtightness. A flange portion 11 is formed on the outer peripheral surface, and the lower surface thereof is in contact with the upper surface of the bottle mouth portion. A circumferential groove 12 is provided at the proximal end of the flange portion 11, whereby the outer peripheral surface is elastically pressed against the inner peripheral surface of the bottle mouth. A glass sealing ball 4 is held in the inner peripheral portion. The inner peripheral portion of the packing member 3 and the outer surface of the sealing ball 4 are elastically contacted by the inner peripheral portion being pressed by the sealing ball, and airtightness is maintained. A protrusion 10 is formed inside the upper portion of the packing member 3, and the packing member 3 is coupled to the cap body 2 by engaging the protrusion 10 with the protrusion 9 of the cap body.
キャップ1は、図3に示すように、打栓機のヘッド30によりびん口部に押圧されて装着されるが、この際打栓機のヘッド30が凸部13に接触し、弱化溝部分に直接接触しないので、打栓の際に弱化溝に作用する衝撃が緩和され、打栓時に弱化溝が破れてキャップが損傷するおそれが少なくなる。凸部の形状は半径方向に形成された細長い凸条であるので、打栓機のヘッド30から受ける力はキャップの側壁から下方向に伝わりやすくなり、弱化溝に作用する無理な力が減少し、弱化溝が破れてキャップが損傷するおそれが一層少なくなる。
As shown in FIG. 3, the cap 1 is pressed and attached to the bottle mouth portion by the head 30 of the plugging machine. At this time, the head 30 of the plugging machine comes into contact with the
内容液を飲み終わった後は専用の器具などで注出口を押し広げて弱化溝からキャップ本体を破壊して取り除く。その後にパッキン部材3をびん口部から抜き取って取り除く。パッキン部材を取り除けば封緘玉4もびん口部から取り出すことができる。このようにして、びんとキャップとを容易に分別することができる。 After drinking the content liquid, push out the spout with a special instrument and destroy the cap body from the weakened groove. After that, the packing member 3 is removed from the bottle opening. If the packing member is removed, the sealing ball 4 can also be taken out from the bottle opening. In this way, the bottle and the cap can be easily separated.
1 キャップ
2 キャップ本体
3 パッキン部材
4 封緘玉
5 注出口
6 弱化溝
7 突条
8 周壁
9 突条
10 突条
11 フランジ部
12 周溝
13 凸部
20 びん
21 突条
30 ヘッド
DESCRIPTION OF SYMBOLS 1 Cap 2 Cap main body 3 Packing member 4 Sealing ball 5
Claims (2)
Priority Applications (1)
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JP2005206667A JP4417890B2 (en) | 2005-07-15 | 2005-07-15 | Caps and carbonated beverage bottles |
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JP2005206667A JP4417890B2 (en) | 2005-07-15 | 2005-07-15 | Caps and carbonated beverage bottles |
Related Parent Applications (1)
Application Number | Title | Priority Date | Filing Date |
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JP2001324442A Division JP3723485B2 (en) | 2001-10-23 | 2001-10-23 | Caps and carbonated beverage bottles |
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Publication Number | Publication Date |
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JP2005298070A JP2005298070A (en) | 2005-10-27 |
JP4417890B2 true JP4417890B2 (en) | 2010-02-17 |
Family
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JP2005206667A Expired - Fee Related JP4417890B2 (en) | 2005-07-15 | 2005-07-15 | Caps and carbonated beverage bottles |
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JP (1) | JP4417890B2 (en) |
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2005
- 2005-07-15 JP JP2005206667A patent/JP4417890B2/en not_active Expired - Fee Related
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