JP4377445B2 - bottle opener - Google Patents

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JP4377445B2
JP4377445B2 JP2008311795A JP2008311795A JP4377445B2 JP 4377445 B2 JP4377445 B2 JP 4377445B2 JP 2008311795 A JP2008311795 A JP 2008311795A JP 2008311795 A JP2008311795 A JP 2008311795A JP 4377445 B2 JP4377445 B2 JP 4377445B2
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opening
crown
bottle opener
engaging claw
bottle
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JP2009241999A (en
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伸二 斉藤
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Toyo Glass Co Ltd
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Toyo Glass Co Ltd
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Priority to JP2008311795A priority Critical patent/JP4377445B2/en
Application filed by Toyo Glass Co Ltd filed Critical Toyo Glass Co Ltd
Priority to CN201210060165.9A priority patent/CN102616710B/en
Priority to CN201210058753.9A priority patent/CN102602863B/en
Priority to CN2009801074300A priority patent/CN101965308B/en
Priority to PCT/JP2009/051435 priority patent/WO2009113334A1/en
Priority to KR1020107017948A priority patent/KR101019016B1/en
Priority to KR1020107018797A priority patent/KR101019017B1/en
Publication of JP2009241999A publication Critical patent/JP2009241999A/en
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Publication of JP4377445B2 publication Critical patent/JP4377445B2/en
Priority to HK11105398.4A priority patent/HK1151271A1/en
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    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B67—OPENING, CLOSING OR CLEANING BOTTLES, JARS OR SIMILAR CONTAINERS; LIQUID HANDLING
    • B67B—APPLYING CLOSURE MEMBERS TO BOTTLES JARS, OR SIMILAR CONTAINERS; OPENING CLOSED CONTAINERS
    • B67B7/00—Hand- or power-operated devices for opening closed containers
    • B67B7/16—Hand- or power-operated devices for opening closed containers for removing flanged caps, e.g. crown caps

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Devices For Opening Bottles Or Cans (AREA)
  • Closures For Containers (AREA)

Description

本発明は、びんの王冠を抜く栓抜きに関する。   The present invention relates to a bottle opener for removing a crown of a bottle.

栓抜きでびんの王冠を抜く場合、びん口を損傷してしまい、損傷部で指を傷つけたり、ガラス片がびん内に入るおそれがあって危険であり、また、損傷したびんは以後リターナブルびんとして使用できないという問題がある。
びん口を損傷しにくい栓抜きは、例えば下記特許文献に示されている。
実開平４−１３５４９４号公報 実開昭５６−３８０９３号公報 実開昭５８−１４３３９２号公報 When removing a bottle cap with a bottle opener, the bottle mouth may be damaged, and it may be dangerous because the finger may be damaged at the damaged part, or a piece of glass may enter the bottle. There is a problem that can not be used as.
A bottle opener that does not easily damage the bottle opening is disclosed in, for example, the following patent document.
Japanese Utility Model Publication No. 4-135494 Japanese Utility Model Publication No. 56-38093 Japanese Utility Model Publication No. 58-143392

特許文献１、２に開示されている技術は、開栓時に王冠周壁部下端に係合する係合爪を、開口の中心部を外した両側に設け、開栓動作の際に中心部がびん口に接触しないようにしたものである。
特許文献３に開示されている技術は、開栓時に王冠周壁部下端に係合する歯（係合爪）を開口の中心部に設け、その歯元に段状の肩部を形成し、肩部を王冠周壁部に接触するようにして、開栓動作の際に栓抜きがびん側に移動するのを防ぐことで歯がびん口に接触しないようにしたものである。 In the techniques disclosed in Patent Documents 1 and 2, engaging claws that engage with the lower end of the crown peripheral wall portion at the time of opening are provided on both sides excluding the center portion of the opening, and the center portion is bottled at the time of opening operation. It is designed not to touch the mouth.
In the technique disclosed in Patent Document 3, a tooth (engaging claw) that engages with the lower end of the crown peripheral wall at the time of opening is provided at the center of the opening, and a stepped shoulder is formed at the base of the tooth. The tooth is prevented from moving to the bottle side during the opening operation by preventing the tooth from coming into contact with the bottle mouth.

前記特許文献１、２の栓抜きは、係合爪を、開口の中心部を外した両側に設けたので、開栓時、係合爪と王冠周壁部の接触部分が小さくなり、王冠周壁部のひだが変形してしまって開栓できない場合があり、その際、係合爪を王冠周壁部下端にさらに深く差し込んで開栓動作を行うので、結局係合爪がびん口に接触して、びんを損傷するおそれがある。
前記特許文献３の栓抜きは、歯（係合爪）が開口の中心部のみに設けられており、しかも、肩部が王冠周壁部に接触するので、歯と王冠周壁部の接触部分が非常に小さくなり、王冠周壁部のひだが変形してしまって開栓できない場合があり、その際、ひだの変形により肩部が王冠周壁部に接触しなくなり、歯を王冠周壁部下端にさらに深く差し込んで開栓動作を行うことで、結局係合爪がびん口に接触して、びんを損傷するおそれがある。
また、肩部は平面視直線上であるので、肩部と王冠周壁部の接触部分が少なく、開栓時に肩部を王冠周壁部のひだに押し付けると、ひだが変形して係合爪がびん口に接触し、びんを損傷するおそれもある。 In the bottle openers of Patent Documents 1 and 2, since the engaging claws are provided on both sides of the center of the opening, the contact portion between the engaging claws and the crown peripheral wall portion becomes small at the time of opening, and the crown peripheral wall portion The pleats may be deformed and cannot be opened, and in that case, the engaging claw is inserted deeper into the lower end of the crown peripheral wall to perform the opening operation, so that the engaging claw eventually comes into contact with the bottle mouth, May damage the bottle.
In the bottle opener of Patent Document 3, the teeth (engaging claws) are provided only at the center of the opening, and the shoulders are in contact with the crown peripheral wall. In some cases, the folds of the crown wall may be deformed and cannot be opened.In this case, the shoulder will not contact the crown wall due to the deformation of the folds, and the teeth will be inserted deeper into the lower end of the crown wall. By performing the opening operation at, the engaging claw may eventually come into contact with the bottle mouth and damage the bottle.
In addition, since the shoulder part is a straight line in plan view, there are few contact parts between the shoulder part and the crown peripheral wall part.When the shoulder part is pressed against the folds on the crown peripheral wall part when opening, the folds deform and the engaging claws are bottled. There is a risk of touching the mouth and damaging the bottle.

この種の栓抜きは、通常、開口内周縁の後端側の係合爪を王冠周壁部下端に係合してこれを作用点とし、開口内周縁の先端側を王冠天面に接触させてこれを支点とし、柄を上方に回動して開栓する（この開栓方法を便宜上「正動作開栓方法」と呼ぶ）。
しかし、開栓に際してびん口が損傷する状況を調べたところ、開口内周縁の先端側を王冠周壁部下端に係合してこれを作用点とし、開口内周縁の後端側を王冠天面に接触させてこれを支点とし、柄を下方に回動して開栓する開栓方法（この開栓方法を便宜上「逆動作開栓方法」と呼ぶ）を採ったときに、びん口が損傷しやすいことが判明した。
これは、図７に示すように、柄を下方向に回動したときに栓抜き（先端側開口内周縁）をびん方向に移動させる水平分力Ｆが生じ、栓抜きがびん方向に移動して先端側開口内周縁がびん口に接触しやすくなること、柄を手のひらで叩くなど下方向に回動する動作は力が入りやすく、開口内周縁がびん口に接触したときの衝撃が大きくなることなどがその原因である。
この逆動作開栓方法は、正規の開栓方法として想定されていない栓抜きが多い。しかし、飲食店などでビールびん等を開栓する場合に「ポン」という派手な音がするので好まれる、ケース内のびんを開栓する場合に便利である、などの理由で使用者がこの逆動作開栓方法を採用することも希ではない。 This kind of bottle opener usually has an engaging claw on the rear end side of the inner peripheral edge of the opening engaged with the lower end of the crown peripheral wall portion as an action point, and the tip side of the inner peripheral edge of the opening is brought into contact with the crown top surface. With this as a fulcrum, the handle is rotated upward to open the plug (this opening method is referred to as a “normal operation opening method” for convenience).
However, when the condition of the bottle mouth being damaged during opening was examined, the tip side of the inner peripheral edge of the opening was engaged with the lower end of the crown peripheral wall, and this was used as the point of action, and the rear end side of the inner peripheral edge of the opening was the crown top surface. The bottle mouth is damaged when the plug opening method (this method is called "reverse action opening method" for convenience) is used. It turned out to be easy.
This is because, as shown in FIG. 7, when the handle is rotated downward, a horizontal component force F that moves the bottle opener (inner edge of the opening on the front end side) in the bottle direction is generated, and the bottle opener moves in the bottle direction. This makes it easier for the inner periphery of the opening on the tip side to come into contact with the bottle mouth, and the action of turning downwards, such as hitting the handle with the palm of the hand, is easy to apply force, and the impact when the inner periphery of the opening touches the bottle mouth increases. This is the cause.
In this reverse operation opening method, there are many bottle openers that are not assumed as regular opening methods. However, it is preferred when opening a beer bottle at a restaurant, etc., because it makes a flashing sound like a “pong”, and it is convenient for opening a bottle in a case. It is not uncommon to adopt a reverse opening method.

本発明は、使用者が正動作開栓方法・逆動作開栓方法のいずれの開栓方法を用いてもびん口が損傷しにくく、開栓作業も容易な栓抜きを提供することを課題とするものである。   SUMMARY OF THE INVENTION An object of the present invention is to provide a bottle opener that is less likely to damage the bottle opening and easy to open, regardless of whether the user uses the opening method of the normal operation or the reverse operation. To do.

〔請求項１〕
本発明は、柄の先端部に開口を備えた王冠抜き部を有する栓抜きにおいて、
前記開口の先端側及び後端側の内周縁に係合爪を備え、
該係合爪は平面視先端形状が凹曲線状で、断面形状が表裏共に三角形状に切欠されたような先細り形状をなし、
前記係合爪の周方向両端部の外側は、前記切欠がされないことで係合爪の表面及び裏面より表側又は裏側に突出する肩部となっており、
開栓時、前記係合爪の一方を王冠周壁部下端に係合させたときに、他方の係合爪の外側の前記肩部が王冠天面に接触することを特徴とする栓抜きである。 [Claim 1]
The present invention, in a bottle opener having a crown opening portion having an opening at the tip of the handle,
An engagement claw is provided on the inner peripheral edge on the front end side and rear end side of the opening,
The engaging claw has a tapered shape in which the tip shape in plan view is a concave curve shape, and the cross-sectional shape is cut out in a triangular shape on both the front and back sides,
The outer sides of both ends in the circumferential direction of the engaging claw are shoulders that protrude from the front and back surfaces of the engaging claw to the front side or the back side by not being cut out,
A bottle opener characterized in that when one of the engaging claws is engaged with the lower end of the crown peripheral wall at the time of opening, the shoulder on the outer side of the other engaging claw contacts the crown top surface. .

正動作開栓方法、逆動作開栓方法のいずれの場合も、開栓時に肩部が王冠天面に接触するので、開栓動作に伴って肩部が王冠天面に食い込んで、栓抜きがびん方向に移動しにくくなり、係合爪がびん口に接触するのが防止される。
また、係合爪の平面視先端形状が凹曲線状であるので、係合爪と王冠周壁部下端の接触部分が多くなり、開栓時に王冠周壁部のひだの変形が少なく、開栓作業が容易となる。 In both the forward opening method and the reverse opening method, the shoulder touches the top of the crown when opening, so the shoulder bites into the top of the crown when opening, and the bottle opens. It becomes difficult to move in the bottle direction, and the engagement claw is prevented from coming into contact with the bottle mouth.
In addition, since the front end shape of the engaging claw is a concave curve shape, the contact portion between the engaging claw and the lower end of the crown peripheral wall portion is increased, and there is less deformation of the folds on the crown peripheral wall portion when opening the plug. It becomes easy.

また本発明は、前記係合爪の周方向両端部の外側の内周面に凹凸部が形成され、開栓時、王冠天面及び／又は周壁部が前記凹凸部に接触する請求項１の栓抜きである。
なお、凹凸部は、凹部のみ又は凸部のみでもよく、凹部と凸部の双方が形成されていてもよい。 The present invention, prior Kigakarigotsume the uneven portion on the inner peripheral surface of the outer circumferential end portion is formed, according to claim 1 during cap removal, the crown cap back and / or peripheral wall in contact with the uneven portion The bottle opener.
Note that the concavo-convex part may be only a concave part or only a convex part, and both the concave part and the convex part may be formed.

正動作開栓方法、逆動作開栓方法のいずれの場合も、開栓時、王冠天面及び／又は周壁部が前記凹凸部に接触するため、開栓動作に伴って王冠が変形し凹凸部が王冠表面及び／又は周壁部に食い込むので、栓抜きがびん方向に移動しにくくなり、係合爪がびん口に接触するのが防止される。 In both of the forward opening method and the reverse opening method, the crown top surface and / or the peripheral wall part contacts the uneven part when opening, so that the crown deforms with the opening operation and the uneven part. Bites into the crown surface and / or the peripheral wall, making it difficult for the bottle opener to move in the bottle direction and preventing the engaging claw from contacting the bottle mouth .

〔請求項３〕
また本発明は、前記係合爪の表裏面が粗面となっている請求項１又は２の栓抜きである。 [Claim 3]
The present invention is claimed in claim 1 or 2 opener front and rear surfaces of the front Kigakarigotsume has become rough.

開栓時、係合爪の粗面が王冠の周壁部下端及び天面に接触するので、開栓動作に伴って栓抜きがびん方向に移動しにくく、係合爪がびん口に接触するのが防止される。   When opening, the rough surface of the engaging claw comes into contact with the lower end of the peripheral wall of the crown and the top surface, so the bottle opener is difficult to move in the bottle direction with the opening operation, and the engaging claw comes into contact with the bottle mouth. Is prevented.

〔請求項４〕
また本発明は、前記係合爪の平面視先端形状が曲率半径２２〜２７ｍｍの凹曲線である請求項１〜３のいずれかの栓抜きである。 [Claim 4 ]
The present invention, viewed from the leading end shape of the engagement claw is one of corkscrew according to claim 1 to 3 is a concave curve radius of curvature 22～27Mm.

係合爪の曲率半径を２２〜２７ｍｍとすることで、係合爪を王冠周壁部の３個ないし４個のひだ凸部下端に接触させることができ、開栓作業がきわめて容易となる。   By setting the radius of curvature of the engaging claw to 22 to 27 mm, the engaging claw can be brought into contact with the lower ends of the three or four pleat convex portions of the crown peripheral wall portion, and the opening operation becomes extremely easy.

〔請求項５〕
また本発明は、柄の先端部に開口を備えた王冠抜き部を有する栓抜きにおいて、
前記開口の先端側及び後端側の内周縁に周囲より肉薄の係合爪を備え、
該係合爪は平面視先端形状が凹曲線状で、該係合爪の基端側に平面視凹曲線状の段差部が形成され、開栓時、前記係合爪を王冠周壁部下端に係合させたときに前記段差部が王冠周壁部下端に接触し、
前記係合爪の外周領域に、前記開口に向かって下り傾斜となる傾斜面を形成し、
前記傾斜面の周方向両端部の外側に、前記傾斜面の表面及び裏面より表側又は裏側に突出する肩部が形成され、開栓時、前記係合爪の一方を王冠周壁部下端に係合させたときに、他方の側の前記肩部が王冠天面に接触することを特徴とする栓抜きである。 [Claim 5 ]
Further, the present invention is a bottle opener having a crown opening portion provided with an opening at the tip of the handle,
Provided with engaging claws thinner than the periphery on the inner peripheral edge on the front end side and rear end side of the opening,
The engaging claw has a concave curved shape at the distal end in a plan view, and a stepped portion having a concave curved shape in a planar view is formed on the proximal end side of the engaging claw. When engaged, the stepped portion contacts the lower end of the crown peripheral wall ,
In the outer peripheral area of the engaging claw, an inclined surface that is inclined downward toward the opening is formed,
A shoulder portion is formed on the outer side of both ends of the inclined surface in the circumferential direction so as to protrude from the front and back surfaces of the inclined surface to the front side or the back side, and when the plug is opened, one of the engaging claws is engaged with the lower end of the crown peripheral wall portion. When it is made to do, the said shoulder part of the other side contacts a crown top surface, It is a bottle opener characterized by the above-mentioned .

正動作開栓方法、逆動作開栓方法のいずれの場合も、開栓時に段差部が王冠周壁部に接触するので、開栓動作に伴って栓抜きがびん方向に移動しにくく、係合爪がびん口に接触するのが防止される。
係合爪の平面視先端形状が凹曲線状であるので、係合爪と王冠周壁部下端の接触部分が多くなり、開栓時に王冠周壁部のひだの変形が少なく、開栓作業が容易となる。
また、段差部が平面視凹曲線状なので、開栓時に段差部と王冠ひだの接触部分が多くなり、段差部をひだに強く押し付けても、ひだが変形しにくく、係合爪がびん側に移動しにくいので、係合爪がびん口に接触してびん口が損傷するのが防止される。 In both the forward opening method and the reverse opening method, the stepped part contacts the crown wall when opening, so the bottle opener is difficult to move in the bottle direction with the opening operation. Is prevented from touching the mouth of the bottle.
Since the front end shape of the engaging claw is a concave curve, the contact portion between the engaging claw and the lower end of the crown peripheral wall portion is increased, and there is less deformation of the folds on the crown peripheral wall portion at the time of opening, and the opening operation is easy. Become.
In addition, since the stepped portion has a concave curved shape in plan view, the contact portion between the stepped portion and the crown fold increases when opening, and even if the stepped portion is strongly pressed against the fold, the folds are not easily deformed, and the engaging claw is on the bottle side. Since it is difficult to move, it is prevented that the engaging claw contacts the bottle mouth and the bottle mouth is damaged.

正動作開栓方法、逆動作開栓方法のいずれの場合も、開栓時に肩部が王冠天面に接触するので、開栓動作に伴って肩部が王冠天面に食い込んで、栓抜きがびん方向に移動しにくくなり、係合爪がびん口に接触するのが防止される。   In both the forward opening method and the reverse opening method, the shoulder touches the top of the crown when opening, so the shoulder bites into the top of the crown when opening, and the bottle opens. It becomes difficult to move in the bottle direction, and the engagement claw is prevented from coming into contact with the bottle mouth.

〔請求項６〕
また本発明は、前記傾斜面が粗面である請求項５の栓抜きである。 [Claim 6 ]
Moreover, this invention is a bottle opener of Claim 5 whose said inclined surface is a rough surface.

傾斜面を設けることで、開栓動作に伴って傾斜面が王冠天面に接触し、栓抜きがびん方向に移動して係合爪がびん口に触れるのが防止される。傾斜面を粗面にすれば、その効果がさらに増大する。   By providing the inclined surface, the inclined surface comes into contact with the crown top surface in accordance with the opening operation, and the bottle opener is prevented from moving in the bottle direction so that the engaging claw touches the bottle mouth. If the inclined surface is roughened, the effect is further increased.

〔請求項７〕
また本発明は、前記係合爪の周方向外側の内周面に凹凸部が形成され、開栓時、王冠天面及び／又は周壁部が前記凹凸部に接触する請求項５又は６の栓抜きである。 [Claim 7 ]
The present invention, the engagement tab is uneven portion on the inner peripheral surface of the circumferential outer form, unplugging during, claim 5 or 6 plugs crown top surface and / or the peripheral wall is in contact with the uneven portion It is without.

正動作開栓方法、逆動作開栓方法のいずれの場合も、王冠天面及び／又は周壁部が前記凹凸部に接触するので、開栓動作に伴って栓抜きがびん方向に移動しにくく、係合爪がびん口に接触するのが防止される。   In any case of the forward opening method and the reverse opening method, the crown top surface and / or the peripheral wall portion comes into contact with the uneven portion, so that the bottle opener is difficult to move in the bottle direction along with the opening operation, The engagement claw is prevented from contacting the bottle mouth.

〔請求項８〕
また本発明は、前記係合爪の平面視先端形状が曲率半径２２〜２７ｍｍの凹曲線である請求項５〜７のいずれかの栓抜きである。 [Claim 8 ]
The present invention, viewed from the leading end shape of the engagement claw is one of corkscrew according to claim 5-7 is a concave curve radius of curvature 22～27Mm.

係合爪の曲率半径を２２〜２７ｍｍとすることで、係合爪を王冠周壁部の３個ないし４個のひだ凸部下端に接触させることができ、開栓作業がきわめて容易となる。   By setting the radius of curvature of the engaging claw to 22 to 27 mm, the engaging claw can be brought into contact with the lower ends of the three or four pleat convex portions of the crown peripheral wall portion, and the opening operation becomes extremely easy.

〔請求項９〕
また本発明は、前記段差部が曲率半径１２．５〜１３．５ｍｍの平面視凹曲線となっている請求項５〜８のいずれかの栓抜きである。 [Claim 9 ]
The present invention, the step portion is one of corkscrew according to claim 5-8 which is a plan view concave curve radius of curvature 12.5～13.5Mm.

段差部の曲率半径を１２．５〜１３．５ｍｍとすることで、開栓時に段差部を３〜４個の王冠ひだと接触させることができ、開栓時にひだが変形して係合爪がびん口に接触するのが防止される。   By setting the curvature radius of the stepped portion to 12.5 to 13.5 mm, the stepped portion can be brought into contact with 3 to 4 crown folds at the time of opening, and the folds are deformed at the time of opening and the engaging claws Contact with the mouth is prevented.

本発明の栓抜きは、正動作開栓方法、逆動作開栓方法のいずれの場合も、開栓動作に伴って栓抜きがびん方向に移動しにくく、係合爪がびん口に接触するのが防止されるので、びん口が損傷するおそれがきわめて少ない。
また、係合爪の平面視先端形状が凹曲線状であるので、係合爪と王冠周壁部下端の接触部分が多くなり、開栓時に王冠周壁部のひだの変形が少なく、開栓作業が容易となる。 With the bottle opener of the present invention, the bottle opener is difficult to move in the bottle direction with the opening operation in both the forward opening method and the reverse opening method, and the engaging claw contacts the bottle opening. This prevents the possibility of damaging the bottle mouth.
In addition, since the front end shape of the engaging claw is a concave curve shape, the contact portion between the engaging claw and the lower end of the crown peripheral wall portion is increased, and there is less deformation of the folds on the crown peripheral wall portion when opening the plug. It becomes easy.

図１は実施例１の栓抜きの平面図及び中央縦断面図、図２は図１のＡ部拡大斜視図、図３は図１のＢ部拡大端面図、図４は正動作開栓方法の要部平面図説明図、図５は正動作開栓方法の説明図、図６は正動作開栓方法の要部説明図、図７は逆動作開栓方法の説明図、図８は逆動作開栓方法の要部平面図、図９・図１０は粗面の例の説明図である。
図中、符号１は栓抜き、２は王冠抜き部、３は開口、４は係合爪、５は粗面、６は肩部、７は凹凸部、８は突起、９は柄、１０はガラスびん、１１は王冠、１１ａは天面、１１ｂは周壁部である。 1 is a plan view and a central longitudinal sectional view of a bottle opener of Example 1, FIG. 2 is an enlarged perspective view of part A of FIG. 1, FIG. 3 is an enlarged end view of part B of FIG. FIG. 5 is an explanatory view of the forward opening method, FIG. 6 is an explanatory view of the essential portion of the forward opening method, FIG. 7 is an explanatory view of the backward opening method, and FIG. The principal part top view of an operation | movement opening method, FIG. 9, FIG. 10 is explanatory drawing of the example of a rough surface.
In the figure, reference numeral 1 is a bottle opener, 2 is a crown extraction part, 3 is an opening, 4 is an engaging claw, 5 is a rough surface, 6 is a shoulder part, 7 is an uneven part, 8 is a protrusion, 9 is a handle, A glass bottle, 11 is a crown, 11a is a top surface, and 11b is a peripheral wall.

栓抜き１は厚さ２．４ｍｍのステンレス板製で、柄９の先端部に王冠抜き部２を有し、王冠抜き部には開口３が形成されている。開口３の縦方向の幅Ｗ１は１８ｍｍ、横方向の幅Ｗ２は２７ｍｍである。開口の形状は縦横の中心線に対して線対称になっている。 The bottle opener 1 is made of a stainless steel plate having a thickness of 2.4 mm, has a crown punched portion 2 at the tip of the handle 9, and an opening 3 is formed in the crown punched portion. The vertical width W 1 of the opening 3 is 18 mm, and the horizontal width W 2 is 27 mm. The shape of the opening is axisymmetric with respect to the vertical and horizontal center lines.

開口３の先端側及び後端側の内周縁には係合爪４が形成されている。係合爪４は、平面視先端形状が、開口側から見て凹曲線状をなし、断面形状が表裏共に三角形状に切欠されたような先細り形状をなしている。係合爪の長さＬは２２．６ｍｍ、幅（奥行き）は２．２ｍｍ、先端部の厚さｔは１．２ｍｍである。後端側及び先端側係合爪の平面視先端形状（凹曲線）の曲率半径Ｒ１、Ｒ２は、共に２５ｍｍである。
係合爪４の表側及び裏側の斜面が軸線となす角度θ１、θ２は共に約１７°で、表側及び裏側の斜面は共に粗面５となっている（図３）。係合爪４の形状は、開口３の縦横の中心線に対して線対称になっている。 Engaging claws 4 are formed on the inner peripheral edge of the opening 3 on the front end side and rear end side. The engagement claw 4 has a tapered shape in which the tip shape in plan view is a concave curve when viewed from the opening side, and the cross-sectional shape is notched in a triangular shape on both the front and back sides. The length L of the engaging claw is 22.6 mm, the width (depth) is 2.2 mm, and the thickness t of the tip is 1.2 mm. The radii of curvature R 1 and R 2 of the front end shape (concave curve) of the rear end side and front end side engaging claws are both 25 mm.
The angles θ 1 and θ 2 formed by the front and back slopes of the engaging claws 4 are about 17 °, and both the front and back slopes are rough surfaces 5 (FIG. 3). The shape of the engaging claw 4 is axisymmetric with respect to the vertical and horizontal center lines of the opening 3.

係合爪４の周方向両端部の外側は、切欠がされないことで係合爪４の表面及び裏面（斜面）より表側又は裏側に突出する肩部６となっている。開栓時に一方の係合爪４を王冠１１の周壁部１１ｂ下端に係合させたときに、他方の側の係合爪の外側の肩部６が王冠天面に接触する（図４、８）。肩部６の形状は、開口３の縦横の中心線に対して線対称になっている。   The outer sides of both end portions in the circumferential direction of the engaging claw 4 are shoulder portions 6 that protrude from the front and back surfaces (slopes) of the engaging claw 4 to the front side or the back side by not being cut out. When one engaging claw 4 is engaged with the lower end of the peripheral wall portion 11b of the crown 11 at the time of opening, the outer shoulder portion 6 of the other engaging claw contacts the crown top surface (FIGS. 4 and 8). ). The shape of the shoulder 6 is axisymmetric with respect to the vertical and horizontal center lines of the opening 3.

係合爪４の周方向両端部の外側の内周面には凹凸部７が形成されている。本実施例は、凹凸部７は２個の凸部７ａからなっている（図２）。凹凸部７は、開栓時に、王冠１１の天面１１ａないし周壁部１１ｂに接触する（図４、８）。凹凸部７の形状は、開口３の縦横の中心線に対して線対称になっている。
なお、本発明において、王冠の天面とは、天頂部の水平面部分のみならずその外周のアール部分を含み、周壁部とは、アール部分下方のひだが形成されている部分である。 Concave and convex portions 7 are formed on the inner peripheral surface on the outer side of both end portions in the circumferential direction of the engaging claw 4. In this embodiment, the concavo-convex portion 7 is composed of two convex portions 7a (FIG. 2). The concavo-convex part 7 contacts the top surface 11a or the peripheral wall part 11b of the crown 11 at the time of opening (FIGS. 4 and 8). The shape of the uneven portion 7 is axisymmetric with respect to the vertical and horizontal center lines of the opening 3.
In the present invention, the top surface of the crown includes not only the horizontal surface portion of the zenith portion but also the rounded portion on the outer periphery thereof, and the peripheral wall portion is a portion where folds are formed below the rounded portion.

図４〜６は、栓抜き１を用いた正動作開栓方法による開栓を示している。図４、５、及び図６上段は、栓抜き１の後端側の係合爪を王冠周壁部１１ｂの下端に差し込んで作用点とし、先端側の係合爪を王冠天面１１ａに接触させて支点とした状態である。このとき、先端側の肩部６は王冠天面１１ａに接触しているので、以後の開栓動作中に先端側の肩部６が王冠天面１１ａに食い込み、栓抜き１がびん方向に移動するのが防止される。また、後端側の係合爪の粗面５が王冠周壁部１１ｂの下端に接触しているので、摩擦により、開栓動作中に栓抜き１がびん方向に移動するのが防止される。図６の下段は開栓動作の途中を示している。開栓動作にはいると、王冠１１が変形するので、先端側の係合爪の粗面５が王冠天面１１ａに接触し、更に、先端側の係合爪の両側にある凹凸部が王冠の天面ないし周壁部に食い込んで大きな摩擦力が発生し、栓抜き１がびん方向に移動するのが防止される。   4 to 6 show opening by a normal operation opening method using the bottle opener 1. 4, 5 and the upper part of FIG. 6, the engagement claw on the rear end side of the bottle opener 1 is inserted into the lower end of the crown peripheral wall portion 11b as an action point, and the engagement claw on the front end side is brought into contact with the crown top surface 11a. This is the state that is used as a fulcrum. At this time, since the shoulder 6 on the tip side is in contact with the crown top surface 11a, the shoulder 6 on the tip side bites into the crown top surface 11a during the subsequent opening operation, and the bottle opener 1 moves in the bottle direction. Is prevented. Further, since the rough surface 5 of the engagement claw on the rear end side is in contact with the lower end of the crown peripheral wall portion 11b, the bottle opener 1 is prevented from moving in the bottle direction during the opening operation due to friction. The lower part of FIG. 6 shows the middle of the opening operation. When the opening operation is performed, the crown 11 is deformed, so that the rough surface 5 of the engaging claw on the tip side comes into contact with the crown top surface 11a, and the uneven portions on both sides of the engaging claw on the tip side are crowned. A large frictional force is generated by biting into the top surface or the peripheral wall of the bottle, preventing the bottle opener 1 from moving in the bottle direction.

図７、８は、栓抜き１を用いた逆動作開栓方法による開栓で、栓抜き１の先端側の係合爪を王冠周壁部１１ｂの下端に差し込んで作用点とし、後端側の係合爪を王冠天面１１ａに接触させて支点とした状態を示している。このとき、後端側の肩部６は王冠天面１１ａに接触しているので、以後の開栓動作中に栓抜き１がびん方向に移動するのが防止される。また、先端側の係合爪の粗面５が王冠周壁部１１ｂの下端に接触しているので、摩擦により、開栓動作中に栓抜き１がびん方向に移動するのが防止される。開栓動作にはいると、王冠１１が変形するので、後端側の係合爪の粗面５が王冠天面１１ａに接触し、更に、後端側の係合爪の両側にある凹凸部が王冠の天面ないし周壁部に食い込んで大きな摩擦力が発生し、栓抜き１がびん方向に移動するのが防止される。   7 and 8 show the opening by the reverse operation opening method using the bottle opener 1, the engaging claw on the front end side of the bottle opener 1 is inserted into the lower end of the crown peripheral wall portion 11 b as the action point, and the rear end side The state which made the engaging claw contact the crown top surface 11a and made it a fulcrum is shown. At this time, since the shoulder 6 on the rear end side is in contact with the crown top surface 11a, the bottle opener 1 is prevented from moving in the bottle direction during the subsequent opening operation. Further, since the rough surface 5 of the engaging claw on the distal end side is in contact with the lower end of the crown peripheral wall portion 11b, the bottle opener 1 is prevented from moving in the bottle direction during the opening operation due to friction. When the opening operation is performed, the crown 11 is deformed, so that the rough surface 5 of the engagement claw on the rear end side comes into contact with the crown top surface 11a, and the uneven portions on both sides of the engagement claw on the rear end side. Bites into the top or peripheral wall of the crown and generates a large frictional force, preventing the bottle opener 1 from moving in the bottle direction.

凹凸部７は、必ずしも、図４、７に示す栓抜きを王冠にあてた状態で王冠に接触している必要はなく、開栓動作に入ってから王冠に接触し、摩擦力が作用するものであればよい。   The concavo-convex portion 7 does not necessarily need to be in contact with the crown in the state where the bottle opener shown in FIGS. 4 and 7 is applied to the crown. If it is.

開口３の縦方向の幅Ｗ１は１５〜２０ｍｍ、横方向の幅Ｗ２は２６〜２８ｍｍが好適である。 The vertical width W 1 of the opening 3 is preferably 15 to 20 mm, and the horizontal width W 2 is preferably 26 to 28 mm.

係合爪４の斜面の傾斜角θ１、θ２は１０°〜２０°が好適である。また、θ１＝θ２として、表裏での使用が同じ条件になるようにするのが好ましい。係合爪の先端部の厚さｔは０．９〜１．３ｍｍが好適である。係合爪の長さＬは１５〜２３ｍｍ、係合爪の幅（奥行き）は２〜３ｍｍが好適である。同様に、後端側と先端側の係合爪の長さ及び幅も等しくすることが望ましい。また、後端側及び先端側の係合爪の平面視先端形状（凹曲線）の曲率半径Ｒ１、Ｒ２を等しくし、正動作開栓方法と逆動作開栓方法を同じ条件で行えるようにするのが好ましい。 The inclination angles θ 1 and θ 2 of the inclined surfaces of the engaging claws 4 are preferably 10 ° to 20 °. Moreover, it is preferable that the use on the front and back is the same as θ 1 = θ 2 . The thickness t of the engaging claw tip is preferably 0.9 to 1.3 mm. The length L of the engaging claw is preferably 15 to 23 mm, and the width (depth) of the engaging claw is preferably 2 to 3 mm. Similarly, it is desirable that the length and width of the engagement claws on the rear end side and the front end side are also equal. Further, the curvature radii R 1 and R 2 of the front end shape (concave curve) of the engagement claws on the rear end side and the front end side are made equal so that the forward opening method and the reverse opening method can be performed under the same conditions. Is preferable.

図９、１０は係合爪の粗面５の例で、それぞれ左側に平面図、右側に左側の矢印部分の切断端面を示している。図９では、係合爪４の斜面に多数の円形突起８を設けて粗面５としている。図１０では、係合爪４の斜面に多数のピラミッド状突起８を設けて粗面５としている。粗面の好ましい表面粗さは、最大高さＲｍａｘで０．２〜０．６ｍｍ程度である。 FIGS. 9 and 10 are examples of the rough surface 5 of the engaging claw, each showing a plan view on the left side and a cut end surface of the left arrow portion on the right side. In FIG. 9, a large number of circular protrusions 8 are provided on the slope of the engaging claw 4 to form a rough surface 5. In FIG. 10, a large number of pyramidal protrusions 8 are provided on the slope of the engaging claw 4 to form a rough surface 5. Preferred surface roughness of the rough surface is 0.2~0.6mm about the maximum height R max.

図１１は実施例２の栓抜き１２の略平面図、図１２は図１１におけるＣ−Ｃ線、Ｄ−Ｄ線切断端面図、図１３は栓抜き１２を用いた正動作開栓方法の説明図、図１４は図１３におけるＥ−Ｅ線断面図である。
図中、符号２は王冠抜き部、３は開口、４は係合爪、６は肩部、７は凹凸部、１０はガラスびん、１１は王冠、１１ａは天面、１１ｂは周壁部、１２は栓抜き、１３は係合爪、１４は段差部、１５は傾斜面である。 11 is a schematic plan view of the bottle opener 12 according to the second embodiment, FIG. 12 is a sectional view taken along line CC and DD in FIG. 11, and FIG. 14 and 14 are sectional views taken along line EE in FIG.
In the figure, reference numeral 2 is a crown-extracted portion, 3 is an opening, 4 is an engaging claw, 6 is a shoulder portion, 7 is an uneven portion, 10 is a glass bottle, 11 is a crown, 11a is a top surface, 11b is a peripheral wall portion, 12 Is a bottle opener, 13 is an engaging claw, 14 is a stepped portion, and 15 is an inclined surface.

栓抜き１２は厚さ２．４ｍｍのステンレス板製で、柄９の先端部に王冠抜き部２を有し、王冠抜き部には開口３が形成されている。開口３の縦方向の幅Ｗ１は１８ｍｍ、横方向の幅Ｗ２は２７ｍｍである。開口の形状は縦横の中心線に対して線対称になっている。   The bottle opener 12 is made of a stainless steel plate having a thickness of 2.4 mm, and has a crown punched portion 2 at the tip of the handle 9, and an opening 3 is formed in the crown punched portion. The opening 3 has a vertical width W1 of 18 mm and a horizontal width W2 of 27 mm. The shape of the opening is axisymmetric with respect to the vertical and horizontal center lines.

開口３の先端側及び後端側の内周縁には周囲より肉薄の係合爪１３が形成されている。係合爪１３は、平面視先端形状が、開口側から見て凹曲線状をなし、断面形状は四辺形状となっている。係合爪の長さＬ２は１５ｍｍ、最大幅（奥行き）は１．３ｍｍ、先端部の厚さｔは１．２ｍｍである。係合爪１３の平面視先端形状は、後端側及び先端側共に曲率半径２５ｍｍの凹曲線となっている。
係合爪１３の基端側に平面視凹曲線状の段差部１４が形成され、開栓時、前記係合爪１３を王冠周壁部１１ｂ下端に係合させたときに段差部１４が王冠周壁部１１ｂに接触する（図１３、１４）。段差部１４の曲率半径は１３ｍｍで、係合爪１３先端の曲率半径より小さくなっている。 Engaging claws 13 that are thinner than the surroundings are formed on the inner peripheral edge of the opening 3 on the front end side and rear end side. The engagement claw 13 has a concave shape when viewed from the opening side in a plan view, and a cross-sectional shape is a quadrilateral shape. The length L 2 of the engaging claws is 15 mm, the maximum width (depth) of 1.3 mm, the thickness t of the tip portion is 1.2 mm. The front end shape of the engaging claw 13 in plan view is a concave curve having a curvature radius of 25 mm on both the rear end side and the front end side.
A stepped portion 14 having a concave curved shape in plan view is formed on the proximal end side of the engaging claw 13, and when opening, when the engaging claw 13 is engaged with the lower end of the crown peripheral wall portion 11 b, the stepped portion 14 becomes the crown peripheral wall. It contacts the part 11b (FIGS. 13 and 14). The step portion 14 has a radius of curvature of 13 mm, which is smaller than the radius of curvature of the engagement pawl 13 tip.

係合爪１３の外周領域には、栓抜きの板を三角形状に切欠することにより、開口３に向かって下り傾斜となる傾斜面１５が形成されている。傾斜面１５は、前記実施例１の粗面５と同様の粗面となっている。傾斜面１５の周方向両端部の外側は、前記切欠がされないことで傾斜面１５の表面及び裏面より表側又は裏側に突出する肩部６となっている。肩部６は、前記実施例の肩部と同様の作用効果を有する。すなわち、一方の係合爪を王冠周壁部下端に係合させたときに、他方の側の肩部が王冠天面に接触し、開栓動作に伴って肩部が王冠天面に食い込んで、栓抜きがびん方向に移動しにくくなり、係合爪がびん口に接触するのが防止される。   In the outer peripheral region of the engaging claw 13, an inclined surface 15 that is inclined downward toward the opening 3 is formed by notching a bottle opener plate into a triangular shape. The inclined surface 15 is a rough surface similar to the rough surface 5 of the first embodiment. The outer sides of both ends in the circumferential direction of the inclined surface 15 are shoulder portions 6 that protrude from the front surface and the back surface of the inclined surface 15 to the front side or the back side because the notches are not formed. The shoulder 6 has the same effect as the shoulder of the above embodiment. That is, when one engagement claw is engaged with the crown peripheral wall lower end, the shoulder on the other side comes into contact with the crown top surface, and the shoulder bites into the crown top surface with the opening operation, The bottle opener becomes difficult to move in the bottle direction, and the engagement claw is prevented from coming into contact with the bottle mouth.

図１２（ａ）に示すのは、栓抜き１２の表面及び裏面の双方に係合爪１３、段差部１４及び傾斜面１５が形成されている例である。同図（ｂ）に示すのは、表面に係合爪１３、段差部１４及び傾斜面１５が形成され、裏面には前記実施例１の係合爪４が形成されている例である。段差部１４は、図１２（ａ）に示すように、栓抜き１２の表面及び裏面の双方に形成されることが望ましい。   FIG. 12A shows an example in which the engaging claw 13, the stepped portion 14, and the inclined surface 15 are formed on both the front and back surfaces of the bottle opener 12. FIG. 4B shows an example in which the engaging claw 13, the stepped portion 14 and the inclined surface 15 are formed on the front surface, and the engaging claw 4 of the first embodiment is formed on the back surface. As shown in FIG. 12A, the stepped portion 14 is desirably formed on both the front surface and the back surface of the bottle opener 12.

係合爪１３の周方向外側で、かつ、傾斜面１５の周方向外側の内周面には凹凸部７が形成されている。凹凸部７は、開栓時に、王冠天面１１ａ及び／又は周壁部１１ｂに接触する。本実施例における凹凸部は、前記実施例１の凹凸部と同じものでよく、同様の作用効果を呈する。   Concave and convex portions 7 are formed on the outer peripheral surface of the engaging claw 13 and on the inner peripheral surface of the inclined surface 15 in the peripheral direction. The concavo-convex part 7 contacts the crown top surface 11a and / or the peripheral wall part 11b at the time of opening. The uneven portion in the present embodiment may be the same as the uneven portion in the first embodiment, and exhibits the same effect.

図１３、１４は、栓抜き１２を用いた正動作開栓方法による開栓を示し、栓抜き１２の後端側の係合爪１３を王冠周壁部１１ｂの下端に差し込んで作用点とし、先端側の裏側の傾斜面１５又は係合爪４を王冠天面１１ａに接触させて支点とした状態である。このとき、後端側の段差部１４は王冠周壁部１１ｂの下端に接触しているので、以後の開栓動作中に栓抜き１２がびん方向に移動するのが防止される。また、先端側の肩部６が王冠天面に接触する。開栓動作にはいると、王冠１１が変形するので、先端側の傾斜面１５又は係合爪４の粗面が王冠天面１１ａに強く接触し、この摩擦抵抗により栓抜き１２がびん方向に移動するのが防止される。更に、先端側の係合爪１３の両側にある凹凸部７が王冠の天面ないし周壁部に食い込んで大きな摩擦抵抗が発生し、栓抜き１２がびん方向に移動するのが防止される。   13 and 14 show opening by a normal operation opening method using the bottle opener 12, and the engagement claw 13 on the rear end side of the bottle opener 12 is inserted into the lower end of the crown peripheral wall portion 11b as an action point, In this state, the inclined surface 15 or the engaging claw 4 on the back side is brought into contact with the crown top surface 11a to serve as a fulcrum. At this time, since the step 14 on the rear end side is in contact with the lower end of the crown peripheral wall 11b, the bottle opener 12 is prevented from moving in the bottle direction during the subsequent opening operation. Further, the shoulder 6 on the tip side comes into contact with the crown top surface. Since the crown 11 is deformed during the opening operation, the inclined surface 15 on the front end side or the rough surface of the engaging claw 4 comes into strong contact with the crown top surface 11a, and the bottle opener 12 in the bottle direction is caused by this frictional resistance. It is prevented from moving. Further, the concave and convex portions 7 on both sides of the engaging claw 13 on the distal end side bite into the top surface or the peripheral wall portion of the crown, and a large frictional resistance is generated, thereby preventing the bottle opener 12 from moving in the bottle direction.

逆動作開栓方法においても、先端側と後端側が入れ替わるだけで、係合爪、段差部、傾斜面、肩部、凹凸部は正動作開栓方法の場合と同様に作用し、栓抜き１２がびん方向に移動するのが防止される。   In the reverse operation opening method, the engagement claw, the stepped portion, the inclined surface, the shoulder portion, and the concavo-convex portion act in the same manner as in the normal operation opening method by simply switching the front end side and the rear end side. The movement in the bottle direction is prevented.

本実施例において、開口の形状・大きさは前記実施例１と同じでよい。
係合爪１３の長さＬ２は１４〜１６ｍｍ、最大幅（奥行き）は１．２〜１．５ｍｍ、先端部の厚さｔは０．９〜１．３ｍｍが適当である。また、係合爪の断面形状は台形状としてもよい。
本実施例において傾斜面１５の適当な、長さ、幅（奥行き）、先端の曲率半径、先端部の厚さ、傾斜角度、粗面の状態は、前記実施例１の係合爪４に準じる。 In this embodiment, the shape and size of the opening may be the same as in the first embodiment.
The length L 2 of the engaging claws 13 14～16Mm, maximum width (depth) is 1.2-1.5 mm, the thickness t of the tip 0.9~1.3mm are suitable. Moreover, the cross-sectional shape of the engaging claw may be trapezoidal.
In this embodiment, the appropriate length, width (depth), radius of curvature of the tip, thickness of the tip, the angle of inclination, and the state of the rough surface of the inclined surface 15 are the same as those of the engaging claw 4 of the first embodiment. .

実施例１の栓抜き１の平面図及び中央縦断面図である。It is the top view and center longitudinal cross-sectional view of the bottle opener 1 of Example 1. FIG. 図１のＡ部拡大斜視図である。It is the A section expansion perspective view of FIG. 図１のＢ部拡大端面図である。It is the B section enlarged end view of Drawing 1. 正動作開栓方法の要部平面図である。It is a principal part top view of the normal operation opening method. 正動作開栓方法の説明図である。It is explanatory drawing of the normal operation plugging method. 正動作開栓方法の要部説明図である。It is principal part explanatory drawing of the normal operation plugging method. 逆動作開栓方法の説明図である。It is explanatory drawing of the reverse operation opening method. 逆動作開栓方法の要部平面図である。It is a principal part top view of the reverse operation opening method. 粗面の一例の説明図である。It is explanatory drawing of an example of a rough surface. 粗面の他例の説明図である。It is explanatory drawing of the other example of a rough surface. 実施例２の栓抜き１２の略平面図である。It is a schematic plan view of the bottle opener 12 of the second embodiment. 図１１におけるＣ−Ｃ線、Ｄ−Ｄ線切断端面図である。It is the CC line in FIG. 11, a DD line cutting | disconnection end elevation. 栓抜き１２を用いた正動作開栓方法の説明図である。It is explanatory drawing of the normal operation opening method using the bottle opener. 図１３におけるＥ−Ｅ線断面図である。It is the EE sectional view taken on the line in FIG.

１ 栓抜き
２ 王冠抜き部
３ 開口
４ 係合爪
５ 粗面
６ 肩部
７ 凹凸部
８ 突起
９ 柄
１０ びん
１１ 王冠
１１ａ 天面
１１ｂ 周壁部
１２ 栓抜き
１３ 係合爪
１４ 段差部
１５ 傾斜面
DESCRIPTION OF SYMBOLS 1 Bottle opener 2 Crown extraction part 3 Opening 4 Engagement claw 5 Rough surface 6 Shoulder part 7 Uneven part 8 Protrusion 9 Handle 10 Bottle 11 Crown 11a Top surface 11b Peripheral wall part 12 Bottle opener 13 Engagement nail 14 Step part 15 Inclined surface

Claims (9)

柄の先端部に開口を備えた王冠抜き部を有する栓抜きにおいて、
前記開口の先端側及び後端側の内周縁に係合爪を備え、
該係合爪は平面視先端形状が凹曲線状で、断面形状が表裏共に三角形状に切欠されたような先細り形状をなし、
前記係合爪の周方向両端部の外側は、前記切欠がされないことで係合爪の表面及び裏面より表側又は裏側に突出する肩部となっており、
開栓時、前記係合爪の一方を王冠周壁部下端に係合させたときに、他方の係合爪の外側の前記肩部が王冠天面に接触することを特徴とする栓抜き。 In a bottle opener having a crown opening with an opening at the tip of the handle,
An engagement claw is provided on the inner peripheral edge on the front end side and rear end side of the opening,
The engaging claw has a tapered shape in which the tip shape in plan view is a concave curve shape, and the cross-sectional shape is cut out in a triangular shape on both the front and back sides,
The outer sides of both ends in the circumferential direction of the engaging claw are shoulders that protrude from the front and back surfaces of the engaging claw to the front side or the back side by not being cut out,
A bottle opener characterized in that when one of the engaging claws is engaged with the lower end of the crown peripheral wall at the time of opening, the shoulder on the outer side of the other engaging claw contacts the crown top surface. 前記係合爪の周方向両端部の外側の内周面に凹凸部が形成され、開栓時、王冠天面及び／又は周壁部が前記凹凸部に接触する請求項１の栓抜き。   The bottle opener according to claim 1, wherein an uneven portion is formed on the inner peripheral surface outside the circumferential end portions of the engaging claw, and the crown top surface and / or the peripheral wall portion contacts the uneven portion when the cap is opened. 前記係合爪の表裏面が粗面となっている請求項１又は２の栓抜き。 The bottle opener according to claim 1 or 2, wherein the front and back surfaces of the engaging claws are rough. 前記係合爪の平面視先端形状が曲率半径２２〜２７ｍｍの凹曲線である請求項１〜３のいずれかの栓抜き。 The bottle opener according to any one of claims 1 to 3 , wherein the front end shape of the engagement claw is a concave curve having a curvature radius of 22 to 27 mm. 柄の先端部に開口を備えた王冠抜き部を有する栓抜きにおいて、
前記開口の先端側及び後端側の内周縁に周囲より肉薄の係合爪を備え、
該係合爪は平面視先端形状が凹曲線状で、該係合爪の基端側に平面視凹曲線状の段差部が形成され、開栓時、前記係合爪を王冠周壁部下端に係合させたときに前記段差部が王冠周壁部下端に接触し、
前記係合爪の外周領域に、前記開口に向かって下り傾斜となる傾斜面を形成し、
前記傾斜面の周方向両端部の外側に、前記傾斜面の表面及び裏面より表側又は裏側に突出する肩部が形成され、開栓時、前記係合爪の一方を王冠周壁部下端に係合させたときに、他方の側の前記肩部が王冠天面に接触することを特徴とする栓抜き。 In a bottle opener having a crown opening with an opening at the tip of the handle,
Provided with engaging claws thinner than the periphery on the inner peripheral edge on the front end side and rear end side of the opening,
The engaging claw has a concave curved shape at the distal end in a plan view, and a stepped portion having a concave curved shape in a planar view is formed on the proximal end side of the engaging claw. When engaged, the stepped portion contacts the lower end of the crown peripheral wall,
In the outer peripheral area of the engaging claw, an inclined surface that is inclined downward toward the opening is formed,
A shoulder portion is formed on the outer side of both ends of the inclined surface in the circumferential direction so as to protrude from the front and back surfaces of the inclined surface to the front side or the back side, and when the plug is opened, one of the engaging claws is engaged with the lower end of the crown peripheral wall portion. when brought into, corkscrew the shoulder portion of the other side you characterized by contacting the crown cap back. 前記傾斜面が粗面である請求項５の栓抜き。 6. The bottle opener according to claim 5 , wherein the inclined surface is a rough surface. 前記係合爪の周方向外側の内周面に凹凸部が形成され、開栓時、王冠天面及び／又は周壁部が前記凹凸部に接触する請求項５又は６の栓抜き。 7. The bottle opener according to claim 5 or 6 , wherein a concave and convex portion is formed on the inner peripheral surface on the outer circumferential side of the engaging claw, and the crown top surface and / or the peripheral wall portion contacts the concave and convex portion when the cap is opened. 前記係合爪の平面視先端形状が曲率半径２２〜２７ｍｍの凹曲線である請求項５〜７のいずれかの栓抜き。 The bottle opener according to any one of claims 5 to 7 , wherein the front end shape of the engagement claw is a concave curve having a curvature radius of 22 to 27 mm. 前記段差部が曲率半径１２．５〜１３．５ｍｍの平面視凹曲線となっている請求項５〜８のいずれかの栓抜き。 The bottle opener according to any one of claims 5 to 8 , wherein the stepped portion is a concave curve in plan view having a radius of curvature of 12.5 to 13.5 mm.
JP2008311795A 2008-03-11 2008-12-08 bottle opener Active JP4377445B2 (en)

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JP2008311795A JP4377445B2 (en) 2008-03-11 2008-12-08 bottle opener
CN201210058753.9A CN102602863B (en) 2008-03-11 2009-01-29 Cap opener
CN2009801074300A CN101965308B (en) 2008-03-11 2009-01-29 Cap opener
PCT/JP2009/051435 WO2009113334A1 (en) 2008-03-11 2009-01-29 Cap opener
CN201210060165.9A CN102616710B (en) 2008-03-11 2009-01-29 Cap opener
KR1020107017948A KR101019016B1 (en) 2008-03-11 2009-01-29 Bottle opener
KR1020107018797A KR101019017B1 (en) 2008-03-11 2009-01-29 Cap opener
HK11105398.4A HK1151271A1 (en) 2008-03-11 2011-05-31 Cap opener

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