JP2010070229A - Cock type stopper of discharge opening - Google Patents

Cock type stopper of discharge opening Download PDF

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Publication number
JP2010070229A
JP2010070229A JP2008240649A JP2008240649A JP2010070229A JP 2010070229 A JP2010070229 A JP 2010070229A JP 2008240649 A JP2008240649 A JP 2008240649A JP 2008240649 A JP2008240649 A JP 2008240649A JP 2010070229 A JP2010070229 A JP 2010070229A
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plunger
opening
cylindrical
cap
peripheral surface
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JP2008240649A
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JP5515259B2 (en
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Eiji Miura
英二 三浦
Takekuni Seki
関　　武邦
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Toppan Inc
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Toppan Printing Co Ltd
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Abstract

<P>PROBLEM TO BE SOLVED: To provide a cock type stopper of a discharge opening which can be easily tightly engaged with a discharge opening such as a spout of a liquid packaging vessel or the like, can start and stop discharging the content liquid by being turned, and can be smoothly operated while preventing a phenomenon of a liquid leakage in the discharge opening. <P>SOLUTION: The cock type stopper of the discharge opening comprises an engagement plate A engaging with the discharge opening of the packaging vessel, a tube body B attached to the engagement plate with the tube axis parallel to the direction of plate surface of the engagement plate, a cap-like rotation part C for covering the tube body and screwed to the outer circumferential surface of the tube body, and a plunger D engaged with and inserted in the tube of the tube body. The engagement plate communicates with the tube wall on the opening side of the lower end of the tube body at the flowing out opening E. The content liquid is discharged by opening and closing the opening with the tip end of the plunger vertically moving by the rotation of the cap-like rotation part. Protrusions 28 and 46 are mounted on the inner circumferential surface of the tube of the upper end of the tube body and the outer circumferential surface of the upper end of the plunger, respectively. When the plunger moves downward and gets over the protrusion, the looseness of the plunger to the opening direction is prevented and the opening is blocked. <P>COPYRIGHT: (C)2010,JPO&INPIT

Description

本発明はバッグインボックスなどの液体包装容器用の注出用具に関し、バッグインボックスのバッグに取り付けられたスパウト部などの注出口部に簡単に密に嵌合でき、ハンドルの回転操作により内容液の小出し（注ぎ出し）や注出の開始、注出の停止を簡単にできるようにしたコック式注出口栓に関する。   The present invention relates to a pouring tool for a liquid packaging container such as a bag-in-box, and can be easily and closely fitted to a spout portion such as a spout portion attached to the bag of the bag-in-box, and the contents liquid by rotating the handle The present invention relates to a cock-type spout stopper that can easily start dispensing and stop dispensing.

一般にバッグインボックスなどに充填された内容液の注出には、従来からハンドルの回転操作による注出用具が使用されており、例えば、特許文献１に記載するような注出用口栓があり、コックの回転によりシリンダーを上下動させて、バッグ内の内容液の流出量をコントロールするようにしたハンドルの回転操作により注出の開始、注出の停止ができる注出用口栓などがある。   In general, for dispensing content liquid filled in a bag-in-box or the like, a dispensing tool by rotating a handle has been conventionally used. For example, there is a dispensing plug as described in Patent Document 1 There is a spout plug that can start and stop pouring by rotating the handle that controls the outflow of the liquid in the bag by moving the cylinder up and down by rotating the cock. .

しかしながら、従来の注出用口栓は、内容液の流出量をコントロールするシリンダーを上下する螺旋状の溝、リブを、特に溝部分を独立の部品としていたため、注出用具の外形も大きくなっていた。   However, the conventional spout plugs have spiral grooves and ribs that move up and down the cylinder that controls the outflow amount of the content liquid, and in particular, the groove portion is an independent part. It was.

以下に、本発明に関連する先行技術文献を記載する。
特開２００５−４１５４３号公報 The prior art documents related to the present invention are described below.
JP 2005-41543 A

本発明は、バッグインボックスなどの液体包装容器用のコック式キャップである注出用口栓において、液体包装容器のスパウト部など注出口部に、簡単に密に嵌合でき、ハンドルの回転操作により、内容液の小出し（注ぎ出し）や注出の開始、注出の停止を簡単にでき、内容液の流出量（注出量）をコントロールするためのシリンダーを上下する螺旋状の溝、リブを一体の部品にすることにより、口栓の外形をコンパクトにして、取り扱いや注出、停止操作を円滑にできるようにするとともに、注出後に口栓の注出口先端（口元）に残る内容液の残留量を少なくし、口元からの注出直後の液垂れや注出後の暫く経過後における液垂れを防止することにある。   The present invention relates to a spout cap that is a cock-type cap for a liquid packaging container such as a bag-in-box, and can be easily and closely fitted to a spout part such as a spout part of the liquid packaging container, and the handle can be rotated. This makes it easy to dispense (pour out), start, and stop dispensing the content liquid, and spiral grooves and ribs that move the cylinder up and down to control the outflow (poured amount) of the content liquid. By making the plug into an integral part, the outer shape of the plug can be made compact so that it can be handled, poured out and stopped smoothly, and the liquid remaining at the spout tip (mouth) of the plug after pouring It is to prevent dripping immediately after pouring from the mouth and dripping after a while after pouring.

本発明の請求項１に係る発明は、液体包装容器の注出口部に嵌合する嵌合板部Ａと、該嵌合板部Ａに取付け支持された板面方向に平行な筒軸方向の筒体部Ｂと、該筒体部Ｂの上端開口部を覆い且つ筒体部Ｂの外周面に螺着するキャップ状回転部Ｃと、前記筒体部Ｂの筒内に嵌挿され且つ前記キャップ状回転部Ｃの天板部の下内面に自由回転可能に嵌着されたプランジャー部Ｄとからなり、前記嵌合板部Ａと筒体部Ｂの下端開口部側の筒壁とは流出孔Ｅにて連通され、前記キャップ状回転部Ｃの筒体部Ｂに対して下降方向の回転によりプランジャー部Ｄは下降移動して、そのプランジャー部Ｄ先端部は筒体部Ｂの下端の開口部を閉塞し、上昇方向の回転によりプランジャー部Ｄは上昇移動し、そのプランジャー部Ｄ先端部が筒体部Ｂの下端の開口部を開口して、該筒体部Ｂ先端の注出口より内容液を注出するようにしたコック式注出口栓であって、前記筒体部Ｂ上端の筒内周面と前記プランジャー部Ｄの上端部外周面に、それぞれ緩み止め用の突出部が設けられ、プランジャー部Ｄの突出部は、その下降移動により筒体部Ｂの前記突出部を乗り越え、プランジャー部Ｄの開口方向への緩みを止めた状態で該筒体部Ｂ下端開口部を閉塞するようにしたことを特徴とするコック式注出口栓である。   The invention according to claim 1 of the present invention includes a fitting plate portion A that fits into a spout portion of a liquid packaging container, and a cylindrical body that is parallel to the plate surface direction that is attached to and supported by the fitting plate portion A. Part B, a cap-like rotating part C that covers the upper end opening of the cylindrical part B and is screwed to the outer peripheral surface of the cylindrical part B, and is fitted into the cylinder of the cylindrical part B and is cap-like It consists of a plunger portion D fitted to the lower inner surface of the top plate portion of the rotating portion C so as to be freely rotatable, and the fitting plate portion A and the cylindrical wall on the lower end opening side of the cylindrical portion B are the outflow holes E. The plunger portion D is moved downward by rotation in the downward direction with respect to the cylindrical portion B of the cap-shaped rotating portion C, and the distal end portion of the plunger portion D is an opening at the lower end of the cylindrical portion B. The plunger part D is moved upward by rotation in the upward direction, and the distal end of the plunger part D opens the lower end of the cylindrical part B. A cock-type spout plug that opens a portion and discharges the content liquid from a spout at the tip of the cylindrical part B, and the inner peripheral surface of the cylindrical part B and the plunger part Protrusions for preventing loosening are respectively provided on the outer peripheral surface of the upper end of D, and the projecting part of the plunger part D gets over the projecting part of the cylindrical part B by its downward movement, and the opening direction of the plunger part D A cock-type spout plug characterized in that the lower end opening of the cylindrical part B is closed in a state where the loosening is stopped.

本発明の請求項２に係る発明は、上記請求項１に係るコック式注出口栓において、前記プランジャー部Ｄ先端部は、該プランジャー部Ｄの前記突出部が、その下降移動により前記筒体部Ｂの突出部を乗り越える直前にて、又は乗り越える直前のプランジャー部Ｄの前記突出部と筒体部Ｂの前記突出部とが接触した時点にて、前記筒体部Ｂの下端の開口部を閉塞することを特徴とするコック式注出口栓である。   The invention according to claim 2 of the present invention is the cock-type spout plug according to claim 1, wherein the tip of the plunger part D is arranged so that the protruding part of the plunger part D is moved downward by the downward movement. The opening at the lower end of the cylindrical part B immediately before getting over the protruding part of the body part B or when the protruding part of the plunger part D just before getting over the protruding part of the cylindrical part B comes into contact. It is a cock type spout stopper characterized by closing a part.

本発明のコック式注出口栓は、液体包装容器の注出口部に嵌合する嵌合板部Ａに取付け支持した筒体部Ｂの上端開口部を覆うキャップ状回転部Ｃ（コック部分）を、該筒体部Ｂの外周面に螺着して設け、プランジャー部Ｄを、該キャップ状回転部Ｃの天板部の下内面に該キャップ状回転部Ｃに対して一体的に自由回転可能に嵌着するとともに、前記筒体部Ｂの筒内に嵌挿した構造から構成されている。そして前記嵌合板部Ａと筒体部Ｂの下端開口部２３側の筒壁２１とは液体流路Ｈにて連通されている。   The cock type spout stopper of the present invention includes a cap-shaped rotating part C (cock part) that covers the upper end opening of the cylindrical part B that is attached to and supported by the fitting plate part A that fits into the spout part of the liquid packaging container. Provided by screwing on the outer peripheral surface of the cylindrical part B, the plunger part D can be freely rotated integrally with the cap-shaped rotating part C on the lower inner surface of the top plate part of the cap-shaped rotating part C It is comprised from the structure inserted in the cylinder of the said cylindrical part B while it fits. The fitting plate portion A and the cylindrical wall 21 on the lower end opening 23 side of the cylindrical portion B are communicated with each other through a liquid flow path H.

前記プランジャー部Ｄは、キャップ状回転部Ｃを筒体部Ｂに対して回転させることにより筒体部Ｂ内にて上昇又は下降移動して、筒体部Ｂの下端開口部２３を、プランジャー部Ｄの先端に形成した閉鎖部４３により開閉可能となっており、液体包装容器内の内容液を、その注出口部に嵌合した嵌合板部Ａから、液体流路Ｈ、流出孔Ｅを通って筒体部Ｂの筒内に流入させて、該筒体部Ｂの下端の開口部から注出することができる。   The plunger part D is moved up or down in the cylindrical part B by rotating the cap-like rotating part C with respect to the cylindrical part B, and the lower end opening 23 of the cylindrical part B is moved to the plan. It can be opened and closed by a closing portion 43 formed at the tip of the jar portion D, and the liquid in the liquid packaging container is supplied from the fitting plate portion A fitted to the spout portion to the liquid flow path H and the outflow hole E. And can be poured into the cylinder of the cylindrical part B and poured out from the opening at the lower end of the cylindrical part B.

そのため、内容液の流出量（注出量）をコントロールするためのプランジャー部Ｄは、キャップ状回転部Ｃ（コック部分）に一体的に自由回転可能に嵌着しているため、コック式注出口栓の全体の外形をコンパクトにでき、液体包装容器の注出口部への嵌合操作や開閉回転操作上の取り扱い、注出操作、注出停止操作を円滑に実現できる。   Therefore, since the plunger part D for controlling the outflow amount (pouring amount) of the content liquid is fitted to the cap-like rotating part C (cock part) so as to be freely rotatable, it is a cock type note. The overall shape of the outlet plug can be made compact, and the handling operation, the pouring operation, and the pouring stop operation in the fitting operation and opening / closing rotation operation of the liquid packaging container can be smoothly realized.

また、本発明のコック式注出口栓の前記筒体部Ｂ上端の筒内周面と、前記プランジャー部Ｄの上端部外周面に、それぞれ緩み止め用の突出部が設けられていて、プランジャー部Ｄの突出部は、その下降移動により筒体部Ｂの前記突出部の頂部を乗り越えた時点で、筒体部Ｂ下端開口部を閉塞するため、プランジャー部Ｄの突出部と筒体部Ｂの突出部によりプランジャー部Ｄ先端部の開口方向への緩みを止めた状態で、該筒体部Ｂ下端開口部を密に閉塞することができ、プランジャー部Ｄ先端部の開口方向への緩みを止めた状態により注出口栓の筒体部Ｂ下端開口部は閉塞されて、プランジャー部Ｄ先端部の緩みによる液漏れを防止する効果がある。   In addition, on the cock inner spout of the present invention, a cylindrical inner peripheral surface at the upper end of the cylindrical part B and an outer peripheral surface of the upper end of the plunger part D are provided with protrusions for preventing looseness, respectively. The protruding portion of the jar portion D closes the lower end opening of the cylindrical portion B when the protruding portion of the cylindrical portion B gets over the top of the protruding portion of the cylindrical portion B due to the downward movement thereof. In the state where the looseness in the opening direction of the plunger part D is stopped by the protruding part of the part B, the lower end opening part of the cylindrical part B can be tightly closed, and the opening direction of the plunger part D tip part The bottom end opening of the cylindrical part B of the spout stopper is closed by the state where the loosening is stopped, and there is an effect of preventing liquid leakage due to the looseness of the distal end of the plunger part D.

そのため、内容液を流出後の注出口栓において、そのプランジャー部Ｄ先端部により閉塞される筒体部Ｂ下端開口部には、液状内容物が残留し難くなり、注出直後の液垂れ現象や、液状内容物による周辺の汚損を防止することができ、液体包装容器の注出口部からの注出操作や開閉回転操作上の取り扱い、注出操作、注出停止操作を円滑に実現できる。   Therefore, in the spout stopper after the content liquid has flowed out, the liquid content does not easily remain in the lower end opening of the cylindrical body B closed by the distal end portion of the plunger part D, and the liquid dripping phenomenon immediately after the dispensing. In addition, it is possible to prevent the surroundings from being contaminated by the liquid content, and to smoothly implement the handling operation, the dispensing operation, and the dispensing stopping operation in the dispensing operation from the dispensing port portion of the liquid packaging container and the opening / closing rotation operation.

本発明のコック式注出口栓の実施の形態を、図面に基づいて以下に詳細に説明すれば、図１は開口した状態、図２は閉塞した状態を示す、本発明のコック式注出口栓の正面断面図である。   The embodiment of the cock type spout plug of the present invention will be described in detail below with reference to the drawings. FIG. 1 shows an opened state and FIG. 2 shows a closed state. FIG.

図１、図２に示すように、液体包装容器の注出口部に嵌合する嵌合板部Ａと、該嵌合板部Ａに取付け支持された板面方向に平行な筒軸Ｏ方向の筒体部Ｂと、該筒体部Ｂの上端開口部２２を覆い、且つ筒体部Ｂの外周面に螺着するキャップ状回転部Ｃと、前記筒体部Ｂの筒内に嵌挿され且つ前記キャップ状回転部Ｃの天板部の下内面に自由回転可能に嵌着されたプランジャー部Ｄ（ピストンシャフト部）とからなる。そして前記嵌合板部Ａと筒体
部Ｂの下端開口部２３側の筒壁２１とは液体流路Ｈにて連通されている。 As shown in FIGS. 1 and 2, a fitting plate portion A that fits into a spout portion of a liquid packaging container, and a tubular body in the direction of a cylinder axis O that is parallel to the plate surface direction that is attached to and supported by the fitting plate portion A Part B, a cap-like rotating part C that covers the upper end opening 22 of the cylindrical part B and is screwed to the outer peripheral surface of the cylindrical part B, and is inserted into the cylinder of the cylindrical part B and It consists of a plunger part D (piston shaft part) fitted to the lower inner surface of the top plate part of the cap-like rotating part C so as to be freely rotatable. The fitting plate part A and the cylindrical wall 21 on the lower end opening 23 side of the cylindrical part B are communicated with each other through a liquid flow path H.

図３は、本発明のコック式注出口栓における前記嵌合板部Ａと、該嵌合板部Ａに一体に取付け支持された板面方向に平行な筒軸Ｏ方向の筒体部Ｂの側面断面図、図４はその正面断面図である。液体包装容器の注出口部に嵌合するための嵌合板部Ａの前面には、該嵌合板部Ａの板面方向に平行な筒軸Ｏ方向に筒体部Ｂが、ブラケットＡ１を介して取り付け支持され、該嵌合板部Ａから筒体部Ｂに亘って、液体流路Ｈが略水平方向（又は僅かに筒体部Ｂ方向に低く傾斜する方向）に貫設されている。   FIG. 3 is a side cross-sectional view of the fitting plate portion A in the cock-type spout stopper of the present invention and a cylindrical body portion B in the tube axis O direction parallel to the plate surface direction that is integrally attached to and supported by the fitting plate portion A. 4 and 4 are front sectional views. On the front surface of the fitting plate portion A for fitting into the spout portion of the liquid packaging container, a cylindrical body portion B is provided in the direction of the cylindrical axis O parallel to the plate surface direction of the fitting plate portion A via the bracket A1. The liquid flow path H extends from the fitting plate portion A to the cylindrical portion B in a substantially horizontal direction (or a direction slightly inclined in the direction of the cylindrical portion B).

嵌合板部Ａは、図３、図４に示すように、板状体１１と、液体包装容器の注出口部（図示せず）内に密に嵌合する該板状体１１に立設した環状板１２と、必要に応じて該環状板１２の外側に沿って所定の間隔（液体包装容器の注出口部の口管厚さ）を以て立設した外環状板１３とから構成されている。   As shown in FIGS. 3 and 4, the fitting plate portion A is erected on the plate-like body 11 that closely fits into the plate-like body 11 and the spout portion (not shown) of the liquid packaging container. An annular plate 12 and an outer annular plate 13 erected with a predetermined interval (the mouth tube thickness of the outlet portion of the liquid packaging container) along the outside of the annular plate 12 as necessary.

筒体部Ｂは、図１及び図２及び図３、図４に示すように、筒壁２１と上端の開口部２２と下端の開口部２３（注出口）とを備え、該筒体部Ｂの上端開口部２２には、その開口部２２内周面に沿って、リング状に連続する又は断続的な緩み止め用の突出部２８が形成されている。上端開口部２２に対して下端開口部２３の開口径は小径となっている。筒体部Ｂは、該上端開口部２２側の筒壁２１の外周に凸ネジ部２４が螺設され、該上端開口部２２側の筒壁２１の内周面には、筒軸Ｏと直交する方向に段差部２５が形成され、下端開口部２３側の内周面２６の内径に対して上端開口部２２側の内周面２７は大径になっている。また図１、図２、図４に示すように、筒体部Ｂの下端開口部２３側の筒壁２１には、液体流路Ｈを介して嵌合板部Ａに連通する流出孔Ｅが貫設されている。また、下端開口部２３の上方には、図３に示すように、段差状係止部２３ａが設けられている。   As shown in FIGS. 1, 2, 3, and 4, the cylindrical part B includes a cylindrical wall 21, an upper end opening 22, and a lower end opening 23 (spout port), and the cylindrical part B The upper end opening 22 has a ring-like continuous or intermittent loosening protrusion 28 formed along the inner peripheral surface of the opening 22. The opening diameter of the lower end opening 23 is smaller than the upper end opening 22. The cylindrical body B has a convex threaded portion 24 screwed on the outer periphery of the cylindrical wall 21 on the upper end opening 22 side, and is orthogonal to the cylinder axis O on the inner peripheral surface of the cylindrical wall 21 on the upper end opening 22 side. A step 25 is formed in the direction in which the inner peripheral surface 27 on the upper end opening 22 side is larger than the inner diameter of the inner peripheral surface 26 on the lower end opening 23 side. As shown in FIGS. 1, 2, and 4, an outflow hole E communicating with the fitting plate portion A through the liquid flow path H penetrates the cylindrical wall 21 on the lower end opening 23 side of the cylindrical portion B. It is installed. Further, as shown in FIG. 3, a stepped locking portion 23 a is provided above the lower end opening 23.

図５（ａ）はキャップ状回転部Ｃの正面断面図、図５（ｂ）はプランジャー部Ｄの正面断面図であり、図６はキャップ状回転部Ｃにプランジャー部Ｄを一体的に自由回転可能に嵌着した正面断面図である。   FIG. 5A is a front sectional view of the cap-shaped rotating portion C, FIG. 5B is a front sectional view of the plunger portion D, and FIG. 6 shows that the plunger portion D is integrated with the cap-shaped rotating portion C. It is front sectional drawing fitted so that free rotation was possible.

キャップ状回転部Ｃは、図１、図２、図５（ａ）に示すように、筒状のキャップ筒壁部３１と該筒壁部３１の上端を覆う天板部３２と下端の開口部３３とからなり、天板部３２側の筒壁部３１内周には、該天板部３２に対して所定の間隔を以て環状突起部３４が形成され、前記プランジャー部Ｄを嵌着するための嵌着空間部３５を備えている。また嵌着空間部３５より下側の筒壁部３１内周には、前記筒体部Ｂの筒壁２１外周に設けた凸ネジ部２４と螺着する凹ネジ部３６を備えている。なお、前記キャップ状回転部Ｃの筒体部Ｂからの回転による離脱を防止するための脱落防止手段が設けられ、例えば前記筒体部Ｂの最上端外周面と、該筒体部Ｂの外周に螺着される前記キャップ状回転部Ｃの最下端内周面には、凸ネジ部２４と該凸ネジ部２４に螺着する凹ネジ部３６とから外れた位置に、互いに当接する離脱防止用の当接突起部（図示せず）がそれぞれ設けられている。   As shown in FIGS. 1, 2, and 5 (a), the cap-shaped rotating portion C includes a cylindrical cap tube wall portion 31, a top plate portion 32 that covers the upper end of the tube wall portion 31, and an opening at the lower end. 33 is formed on the inner periphery of the cylindrical wall portion 31 on the top plate portion 32 side with a predetermined interval with respect to the top plate portion 32 to fit the plunger portion D. The fitting space part 35 is provided. Further, the inner periphery of the cylindrical wall portion 31 below the fitting space portion 35 is provided with a concave screw portion 36 that is screwed to the convex screw portion 24 provided on the outer periphery of the cylindrical wall 21 of the cylindrical body portion B. In addition, drop-off preventing means for preventing the cap-shaped rotating part C from being detached from the cylindrical part B by rotation is provided. For example, the outermost peripheral surface of the cylindrical part B and the outer periphery of the cylindrical part B are provided. On the inner peripheral surface of the lowermost end of the cap-shaped rotating part C that is screwed to the outer periphery, the separation prevention that abuts each other at a position away from the convex screw part 24 and the concave screw part 36 screwed to the convex screw part 24. A contact protrusion (not shown) is provided.

プランジャー部Ｄは、図１、図２、図５（ｂ）に示すように、筒体部Ｂの筒壁２１内に嵌挿される所定の外径のシャフト部４１（柱状部）と、該シャフト部４１の上端に、その外径より大径であって、前記キャップ状回転部Ｃの嵌着空間部３５内に嵌着するための環状嵌着部４２（環状突起部）と、該シャフト部４１の下端に、その外径より小径であって、筒壁２１下端の開口部２３を閉鎖するための閉鎖部（プランジャー部Ｄの先端部）４３と、前記環状嵌着部４２の下方に、前記筒体部Ｂの環状凹溝部２５内に位置する環状の中間突起部４４と、シャフト部４１の下端の閉鎖部４３より上側に下方に向けて小径（閉鎖部４３より大径）となるテーパー状部４５とを備え、該テーパー状部４５と閉鎖部４３との間には段差部４３ａを備え、該テーパー状部４５の外周面と筒体部Ｂの筒壁２１の内周面との間には僅かな間隙部２１ｂが形成されていて、またシャフト部４１の外周面と筒体部Ｂの内周面２６とは互いに密着状態で摺動可能に周接しており、プランジャーＤ下端の前記テーパー部４５は、筒体部Ｂ下端内周の流出孔Ｅに対して、間隙部２１ｂを以て対峙している。また、プランジャー部Ｄの前記環状嵌着部４２より下側のシャフト部４１には、リング状に連続する又は断続的な緩み止め用の突出部４６が形成されている。   As shown in FIGS. 1, 2, and 5 (b), the plunger portion D includes a shaft portion 41 (columnar portion) having a predetermined outer diameter that is inserted into the cylindrical wall 21 of the cylindrical portion B, and An annular fitting portion 42 (annular protrusion) that is larger than the outer diameter of the shaft portion 41 and that fits into the fitting space portion 35 of the cap-shaped rotating portion C, and the shaft The lower end of the portion 41 is smaller than the outer diameter thereof, and has a closing portion (tip portion of the plunger portion D) 43 for closing the opening 23 at the lower end of the cylindrical wall 21, and below the annular fitting portion 42. Further, an annular intermediate projection 44 positioned in the annular groove 25 of the cylindrical body B, and a small diameter (larger diameter than the closing portion 43) downward from the closing portion 43 at the lower end of the shaft portion 41. And a stepped portion 43a between the tapered portion 45 and the closing portion 43, A slight gap portion 21b is formed between the outer peripheral surface of the tapered portion 45 and the inner peripheral surface of the cylindrical wall 21 of the cylindrical portion B, and the outer peripheral surface of the shaft portion 41 and the inner portion of the cylindrical portion B are formed. The taper portion 45 at the lower end of the plunger D is opposed to the outflow hole E at the inner periphery of the lower end of the cylindrical portion B with a gap portion 21b. ing. Further, the shaft portion 41 below the annular fitting portion 42 of the plunger portion D is formed with a protrusion 46 for preventing loosening that is continuous or intermittent in a ring shape.

また、図１、図２、図５（ｂ）に示すように、前記テーパー状部４５より上側のシャフト部４１と、その下側のテーパー状部４５との間には、必要に応じて段差部４１ａを備え、該段差部４１ａの外周を取り巻く筒体部Ｂの筒壁２１の内周面には、図３に示すように、該段差部４１ａの外周と係合する段差状係止部２１ａを備え、該段差状係止部２１ａの下側の筒壁２１内周面は、該段差状係止部２１ａの上側の筒壁２１内周面より僅かに小径となっている。   Further, as shown in FIGS. 1, 2 and 5B, a step is provided between the shaft portion 41 above the tapered portion 45 and the tapered portion 45 below the tapered portion 45 as necessary. As shown in FIG. 3, a stepped locking portion that includes a portion 41a and that engages with the outer periphery of the stepped portion 41a on the inner peripheral surface of the cylindrical wall 21 of the cylindrical portion B that surrounds the outer periphery of the stepped portion 41a. 21a, the inner peripheral surface of the lower cylindrical wall 21 of the stepped locking portion 21a is slightly smaller in diameter than the inner peripheral surface of the upper cylindrical wall 21 of the stepped locking portion 21a.

本発明のコック式注出口栓においては、図１に示すように、前記プランジャー部Ｄの前記突出部４６が、そのプランジャー部Ｄの下降移動により、前記筒体部Ｂの突出部２８を乗り越える直前にて、又はその下降移動により、前記筒体部Ｂの突出部２８を乗り越える直前におけるプランジャー部Ｄの前記突出部４６と筒体部Ｂの前記突出部２８とが接触した時点にて、プランジャー部Ｄ先端部（閉塞部）４３の下端は、点線ａの位置から、前記筒体部Ｂの下端の開口部２３内の途中まで（図１に示す点線ｂの位置まで）進入して、該開口部２３の内周面と先端部（閉塞部）４３の外周面は密接しながら摺動下降し、該開口部２３を閉塞して注出を停止し、さらに乗り越えた後には、該開口部２３の内周面と先端部（閉塞部）４３の外周面は密接しながら摺動下降し、前記プランジャー部Ｄ先端部（閉塞部）４３の下端（その下向き端面）は、開口部２３の下端又は下端から僅かに突出した位置（点線ｃの位置）まで進入して、該開口部２３を、さらに完全に閉塞するようにしてもよい。   In the cock-type spout stopper of the present invention, as shown in FIG. 1, the protruding portion 46 of the plunger portion D moves the protruding portion 28 of the cylindrical portion B by the downward movement of the plunger portion D. Immediately before getting over, or when the protrusion 46 of the plunger part D comes into contact with the protruding part 28 of the cylinder part B just before getting over the protrusion part 28 of the cylinder part B due to its downward movement. The lower end of the distal end portion (blocking portion) 43 of the plunger portion D enters from the position of the dotted line a to the middle of the opening 23 at the lower end of the cylindrical portion B (up to the position of the dotted line b shown in FIG. 1). Then, the inner peripheral surface of the opening 23 and the outer peripheral surface of the tip (closed portion) 43 slide down while closely contacting each other, close the opening 23 to stop the pouring, and after getting over, The inner peripheral surface of the opening 23 and the outer peripheral surface of the tip (blocking portion) 43 are dense. While sliding down, the lower end (downward end surface) of the distal end portion (closed portion) 43 of the plunger portion D enters a position slightly projecting from the lower end or the lower end of the opening 23 (position indicated by the dotted line c). Thus, the opening 23 may be further completely closed.

前記キャップ状回転部Ｃと、プランジャー部Ｄは、図６に示すように、キャップ状回転部Ｃの天板部３２下面にある嵌着空間部３５内に、プランジャー部Ｄの上端にある環状嵌着部４２を嵌め込むことにより、一体的に自由回転可能に嵌着されている。なお、上記の注出口栓を構成するそれぞれ嵌合板部Ａ、筒体部Ｂ、キャップ状回転部Ｃ、プランジャー部Ｄは、プラスチック製であることが好ましく、特にプランジャー部Ｄの材質は、筒体部Ｂ（少なくともその下端の開口部２３側）の材質に対して僅か（比較的）に柔軟性を有していることが好ましく、また、キャップ状回転部Ｃの材質に対して僅か（比較的）に柔軟性を有していることが好ましい。たとえば、ポリオレフィン系プラスチックが使用でき、プランジャー部Ｄは線状低密度ポリエチレン（ＬＬＤＰＥ）で形成し、他の部材は高密度ポリエチレン（ＨＤＰＥ）で形成することができる。   As shown in FIG. 6, the cap-shaped rotating part C and the plunger part D are at the upper end of the plunger part D in the fitting space part 35 on the lower surface of the top plate part 32 of the cap-shaped rotating part C. By fitting the annular fitting portion 42, it is fitted so as to be integrally rotatable. In addition, it is preferable that each of the fitting plate part A, the cylindrical part B, the cap-shaped rotating part C, and the plunger part D constituting the spout stopper is made of plastic, and in particular, the material of the plunger part D is It is preferably slightly (relatively) flexible with respect to the material of the cylindrical portion B (at least the opening 23 at the lower end thereof), and slightly (relatively) with respect to the material of the cap-shaped rotating portion C ( It is preferable to have flexibility. For example, a polyolefin-based plastic can be used, the plunger part D can be formed of linear low density polyethylene (LLDPE), and the other members can be formed of high density polyethylene (HDPE).

また、図２に示すように、本発明のコック式注出口栓の前記プランジャー部Ｄ先端部である閉塞部４３は、前記筒体部Ｂ下端の開口部２３より、所定長さに突出した状態で、該開口部２３を閉塞可能となっている。その突出長さｄ（筒体部Ｂ下端の開口部２３下面よりプランジャー部Ｄ先端部４３の下向き端面４３ｂまでの長さ）としては、ｄ＝０〜１．５ｍｍ又はｄ＝１．５〜２．０ｍｍ程度とすることができる。   Moreover, as shown in FIG. 2, the closing part 43 which is the front-end | tip part of the said plunger part D of the cock type spout stopper of this invention protruded in the predetermined length from the opening part 23 of the said cylindrical part B lower end. In this state, the opening 23 can be closed. As the projecting length d (the length from the lower surface of the opening 23 at the lower end of the cylindrical part B to the downward end surface 43b of the plunger part D), d = 0 to 1.5 mm or d = 1.5 to It can be about 2.0 mm.

また、前記プランジャー部Ｄの先端部４３（閉塞部）の外周面の直径ｒは、図１、図２に示すように、筒体部Ｂ下端の開口部２３の内周面に十分密接して、該開口部２３を閉塞封鎖する程度に、それに対応して設定することができるが、例えば、６ｍｍ〜２０ｍｍ程度が適当である。   Further, the diameter r of the outer peripheral surface of the distal end portion 43 (blocking portion) of the plunger portion D is sufficiently close to the inner peripheral surface of the opening 23 at the lower end of the cylindrical portion B, as shown in FIGS. Thus, the opening 23 can be set correspondingly to close and seal, but for example, about 6 mm to 20 mm is suitable.

本発明のコック式注出口栓は、図１、及び図７（ａ）の全体側面外観図に示すように、筒体部Ｂの外周面に対してキャップ状回転部Ｃを矢印方向（右回転）に回転させることにより、螺着している螺設部（ネジ部）２４、３６により、キャップ状回転部Ｃは下降移動
し、該回転部Ｃに一体的に嵌着しているプランジャー部Ｄも一体的に下降動作する。 The cock type spout stopper of the present invention has a cap-shaped rotating part C in the direction of the arrow (right rotation) with respect to the outer peripheral surface of the cylindrical part B, as shown in the overall side view of FIG. 1 and FIG. ), The cap-like rotating portion C is moved downward by the screwed portions (screw portions) 24 and 36, and the plunger portion is integrally fitted to the rotating portion C. D also moves down integrally.

そして、図２、及び図７（ｂ）、（ｃ）に示すように、プランジャー部Ｄの下降動作により、該プランジャー部Ｄ上端の前記突出部４６は、筒体部Ｂの上端開口部２２に設けた前記突出部２８を乗り越えるとともに、該プランジャー部Ｄ下端のテーパー部４５は、筒体部Ｂ下端内周の流出孔Ｅに対して間隙部２１ｂを以て対峙し、該プランジャー部Ｄ下端のテーパー部４５と閉鎖部４３との間の段差部４３ａ外周面は、筒体部Ｂ下端に設けた段差状係止部２３ａに密接し、該プランジャー部Ｄ下端の閉鎖部４３の外周面は、筒体部Ｂ下端の開口部２３内周面に密接して開口部２３を閉塞（閉鎖）し、該開口部２３からの液体内容物の注出を停止する。   2 and FIGS. 7 (b) and 7 (c), the protrusion 46 at the upper end of the plunger part D is moved to the upper end opening of the cylindrical part B by the downward movement of the plunger part D. The taper portion 45 at the lower end of the plunger portion D is opposed to the outflow hole E at the inner periphery of the lower end of the cylindrical portion B with a gap portion 21b. The outer peripheral surface of the stepped portion 43a between the tapered portion 45 at the lower end and the closing portion 43 is in close contact with the stepped locking portion 23a provided at the lower end of the cylindrical portion B, and the outer periphery of the closing portion 43 at the lower end of the plunger portion D. The surface closes (closes) the opening 23 in close contact with the inner peripheral surface of the opening 23 at the lower end of the cylindrical portion B, and stops pouring the liquid contents from the opening 23.

このプランジャー部Ｄ下端の閉鎖部４３の外周面による筒体部Ｂ下端の開口部２３内周面への密接状態は、前記プランジャー部Ｄ上端の前記突出部４６の前記突出部２８に対する乗り越え動作によって確実に維持され、前記開口部２３は閉塞状態が保持されて液漏れが防止される。なお図７（ｂ）、図７（ｃ）において、Ｆは液体包装容器（たとえばバッグインボックスのバッグ）であり、その側面部を示し、Ｇは容器Ｆの注出口部である。また、このとき同時に、プランジャー部Ｄに形成した段差部４１ａと筒体部Ｂに形成した段差状係止部２１ａも密接し、筒体部Ｂを液密に密封する。   The close contact state of the lower end of the plunger part D with the outer peripheral surface of the closing part 43 on the inner peripheral surface of the opening 23 at the lower end of the cylinder part B is overcome by the protrusion 46 on the upper end of the plunger part D over the protrusion 28. The opening 23 is maintained in a closed state by the operation, and liquid leakage is prevented. 7B and 7C, F is a liquid packaging container (for example, a bag of a bag-in-box), shows a side surface portion thereof, and G is a spout portion of the container F. At the same time, the stepped portion 41a formed in the plunger portion D and the stepped locking portion 21a formed in the tubular portion B are also brought into close contact with each other, and the tubular portion B is hermetically sealed.

一方、図２、及び図７（ｂ）、図７（ｃ）の全体側面外観図に示す閉塞状態の本発明のコック式注出口栓は、筒体部Ｂの外周面に対してキャップ状回転部Ｃを矢印方向（左回転）に回転させることにより、図１に示すように、キャップ状回転部Ｃは、螺着している螺設部（ネジ部）２４、３６により上昇移動し、該回転部Ｃに一体的に嵌着しているプランジャー部Ｄ及びそのプランジャー部Ｄ上端の突出部４６も筒体部Ｂの突出部２８を逆方向に乗り越え動作する。   On the other hand, the cock-type spout stopper of the present invention in the closed state shown in the overall side view of FIG. 2, FIG. 7B, and FIG. By rotating the part C in the direction of the arrow (left rotation), as shown in FIG. 1, the cap-like rotating part C is moved upward by the screwed parts (screw parts) 24, 36, The plunger portion D fitted integrally with the rotating portion C and the protruding portion 46 at the upper end of the plunger portion D also move over the protruding portion 28 of the cylindrical body portion B in the opposite direction.

そして、プランジャー部Ｄ下端のテーパー部４５は、筒体部Ｂ下端内周の流出孔Ｅに対して間隙部２１ｂを以て対峙し、該プランジャー部Ｄ下端のテーパー部４５と閉鎖部４３との間の段差部４３ａ外周面は、筒体部Ｂ下端の段差状係止部２３ａから離反するとともに、該プランジャー部Ｄ下端の閉鎖部４３の外周面は、筒体部Ｂ下端の開口部２３内周面から離反して開口部２３を開口（開放）し、開口部２３から液体内容物の注出を開始する。   The tapered portion 45 at the lower end of the plunger portion D is opposed to the outflow hole E at the inner periphery of the lower end of the cylindrical portion B with the gap portion 21b, and the tapered portion 45 at the lower end of the plunger portion D and the closing portion 43 The outer peripheral surface of the stepped portion 43a is separated from the stepped locking portion 23a at the lower end of the cylindrical portion B, and the outer peripheral surface of the closing portion 43 at the lower end of the plunger portion D is the opening 23 at the lower end of the cylindrical portion B. The opening 23 is opened (opened) away from the inner peripheral surface, and the liquid content starts to be poured out from the opening 23.

なお、本発明のコック式注出口栓の前記プランジャー部Ｄの上昇・下降移動におけるストローク長さは、本発明においては特に限定されるものではないが、図１、図２に示すように、例えば、下降動作における筒体部Ｂ下端の開口部２３より所定長さ突出した状態のプランジャー部Ｄ先端部４３（閉塞部）の下向き端面４３ｂの下止位置から、上昇動作における流出孔Ｅの略中心位置の上止位置までのストローク長さＳ1 、又は下降動作における筒体部Ｂ下端の開口部２３より所定長さ突出した状態のプランジャー部Ｄ先端部４３（閉塞部）の下向き端面４３ｂの下止位置から、上昇動作における流出孔Ｅの略上端位置までのストローク長さＳ2 に設定されていることが適当である。   In addition, although the stroke length in the upward / downward movement of the plunger portion D of the cock type spout stopper of the present invention is not particularly limited in the present invention, as shown in FIGS. 1 and 2, For example, from the bottom end position of the downward end surface 43b of the plunger portion D in a state of protruding a predetermined length from the opening 23 at the lower end of the cylindrical portion B in the descending operation, the outflow hole E in the ascending operation is stopped. Stroke length S1 to the top stop position at a substantially central position, or downward end face 43b of plunger portion D distal end portion 43 (closed portion) in a state of projecting a predetermined length from opening 23 at the lower end of cylindrical portion B in the descending operation. The stroke length S2 from the bottom stop position to the substantially upper end position of the outflow hole E in the ascending operation is appropriate.

本発明のコック式注出口栓の開口状態の全体正面断面図。The whole front sectional drawing of the opening state of the cock type spout stopper of this invention. 本発明のコック式注出口栓の閉塞状態の全体正面断面図。The whole front sectional drawing of the blockade state of the cock type spout stopper of the present invention. 本発明のコック式注出口栓における嵌合板部と該嵌合板部に取り付け支持した筒体部の側面断面図。Side surface sectional drawing of the cylinder part which attached and supported to the fitting board part and this fitting board part in the cock type spout stopper of this invention. 本発明のコック式注出口栓における嵌合板部と該嵌合板部に取り付け支持した筒体部の正面断面図。The front sectional view of the cylinder part which attached and supported to the fitting board part in this cock type spout stopper of this invention, and this fitting board part. （ａ）は、キャップ状回転部の正面断面図、（ｂ）は、プランジャー部の正面断面図、（ｃ）は、プランジャー部の先端部（閉鎖部）の拡大正面図、（ｄ）は、そのＭ部分拡大正面図。(A) is a front cross-sectional view of the cap-shaped rotating part, (b) is a front cross-sectional view of the plunger part, (c) is an enlarged front view of the tip part (closed part) of the plunger part, (d) The M partial enlarged front view. キャップ状回転部とその天板部下面にある嵌着空間部に嵌着したプランジャー部の正面断面図。Front sectional drawing of the plunger part fitted to the fitting space part in the cap-shaped rotation part and the top-plate part lower surface. （ａ）は、本発明のコック式注出口栓の全体側面外観図、（ｂ）は、その全体正面外観図。(A) is the whole side external appearance figure of the cock type spout stopper of this invention, (b) is the whole front external appearance figure.

符号の説明Explanation of symbols

Ａ…嵌合板部
Ｂ…筒体部
Ｃ…キャップ状回転部Ｃ
Ｄ…プランジャー部
Ｅ…流出孔
Ｆ…液体包装容器
Ｇ…容器注出口部
Ｏ…筒軸
Ｓ…液体注出方向
Ｒ1 …曲率半径
Ｒ2 …曲率半径
Ｓ1 、Ｓ2 …プランジャー部のストローク長さ
２３…筒体部の開口部
２８…筒体部の緩み防止用突出部
４３…プランジャー部先端部
４６…プランジャー部の緩み防止用突出部 A ... Fitting plate part B ... Cylinder part C ... Cap-shaped rotating part C
D ... Plunger part E ... Outflow hole F ... Liquid packaging container G ... Container pouring part O ... Tube axis S ... Liquid pouring direction R1 ... Curvature radius R2 ... Curvature radius S1, S2 ... Stroke length 23 of the plunger part ... Opening part 28 of the cylindrical part ... Protrusion part 43 for preventing looseness of the cylindrical part ... Plung part tip part 46 ... Protrusion part for preventing looseness of the plunger part

Claims (2)

液体包装容器の注出口部に嵌合する嵌合板部Ａと、該嵌合板部Ａに取付け支持された板面方向に平行な筒軸方向の筒体部Ｂと、該筒体部Ｂの上端開口部を覆い且つ筒体部Ｂの外周面に螺着するキャップ状回転部Ｃと、前記筒体部Ｂの筒内に嵌挿され且つ前記キャップ状回転部Ｃの天板部の下内面に自由回転可能に嵌着されたプランジャー部Ｄとからなり、前記嵌合板部Ａと筒体部Ｂの下端開口部側の筒壁とは流出孔Ｅにて連通され、前記キャップ状回転部Ｃの筒体部Ｂに対して下降方向の回転によりプランジャー部Ｄは下降移動して、そのプランジャー部Ｄ先端部は筒体部Ｂの下端の開口部を閉塞し、上昇方向の回転によりプランジャー部Ｄは上昇移動し、そのプランジャー部Ｄ先端部が筒体部Ｂの下端の開口部を開口して、該筒体部Ｂ先端の注出口より内容液を注出するようにしたコック式注出口栓であって、前記筒体部Ｂ上端の筒内周面と前記プランジャー部Ｄの上端部外周面に、それぞれ緩み止め用の突出部が設けられ、プランジャー部Ｄの突出部は、その下降移動により筒体部Ｂの前記突出部を乗り越え、プランジャー部Ｄの開口方向への緩みを止めた状態で該筒体部Ｂ下端開口部を閉塞するようにしたことを特徴とするコック式注出口栓。   A fitting plate portion A that fits into the spout portion of the liquid packaging container, a tubular body portion B that is attached to and supported by the fitting plate portion A and that is parallel to the plate surface direction, and an upper end of the tubular body portion B A cap-shaped rotating part C that covers the opening and is screwed onto the outer peripheral surface of the cylindrical part B, and is fitted into the cylinder of the cylindrical part B and is attached to the lower inner surface of the top plate part of the cap-shaped rotating part C It consists of a plunger portion D fitted so as to be freely rotatable, and the fitting plate portion A and the cylindrical wall on the lower end opening side of the cylindrical portion B are communicated with each other through an outflow hole E, and the cap-shaped rotating portion C The plunger part D is moved downward by rotation in the downward direction with respect to the cylindrical part B, and the distal end of the plunger part D closes the opening at the lower end of the cylindrical part B, and the plan is obtained by rotation in the upward direction. The jar part D moves upward, and the distal end of the plunger part D opens the opening at the lower end of the cylindrical part B. A cock-type spout stopper that is adapted to pour the content liquid from the spout, and is provided on the cylinder inner peripheral surface of the upper end of the cylindrical part B and the outer peripheral surface of the upper end of the plunger part D, respectively. A projecting portion is provided, and the projecting portion of the plunger portion D gets over the projecting portion of the cylindrical body portion B by its downward movement, and the cylindrical body portion B is in a state where the loosening of the plunger portion D in the opening direction is stopped. A cock-type spout stopper characterized by closing the lower end opening. 前記プランジャー部Ｄ先端部は、該プランジャー部Ｄの前記突出部が、その下降移動により前記筒体部Ｂの突出部を乗り越える直前にて、又は乗り越える直前のプランジャー部Ｄの前記突出部と筒体部Ｂの前記突出部とが接触した時点にて、前記筒体部Ｂの下端の開口部を閉塞することを特徴とする請求項１記載のコック式注出口栓。   The distal end of the plunger part D is the protrusion of the plunger part D just before or just before the protrusion of the plunger part D gets over the protrusion of the cylindrical part B by its downward movement. 2. The cock-type spout plug according to claim 1, wherein an opening at a lower end of the cylindrical part B is closed at a point in time when the protruding part of the cylindrical part B comes into contact with the protruding part.
JP2008240649A 2008-09-19 2008-09-19 Cock-type spout tap Active JP5515259B2 (en)

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Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2012071708A (en) * 2010-09-29 2012-04-12 Yokohama Rubber Co Ltd:The Wheel for cart
JP2013249122A (en) * 2012-06-01 2013-12-12 Toppan Printing Co Ltd Cock type spout plug
JP2015209236A (en) * 2014-04-28 2015-11-24 凸版印刷株式会社 Spout plug

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS484160U (en) * 1971-05-29 1973-01-18
JPS5024434Y1 (en) * 1970-02-23 1975-07-23
JPH0372657U (en) * 1989-11-20 1991-07-23
JPH10167309A (en) * 1996-12-05 1998-06-23 Japan Crown Cork Co Ltd Composite cap
JP2005041543A (en) * 2003-07-24 2005-02-17 Toppan Printing Co Ltd Tap for pouring out
JP2008207867A (en) * 2007-02-28 2008-09-11 Toppan Printing Co Ltd Pour-out tap

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5024434Y1 (en) * 1970-02-23 1975-07-23
JPS484160U (en) * 1971-05-29 1973-01-18
JPH0372657U (en) * 1989-11-20 1991-07-23
JPH10167309A (en) * 1996-12-05 1998-06-23 Japan Crown Cork Co Ltd Composite cap
JP2005041543A (en) * 2003-07-24 2005-02-17 Toppan Printing Co Ltd Tap for pouring out
JP2008207867A (en) * 2007-02-28 2008-09-11 Toppan Printing Co Ltd Pour-out tap

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2012071708A (en) * 2010-09-29 2012-04-12 Yokohama Rubber Co Ltd:The Wheel for cart
JP2013249122A (en) * 2012-06-01 2013-12-12 Toppan Printing Co Ltd Cock type spout plug
JP2015209236A (en) * 2014-04-28 2015-11-24 凸版印刷株式会社 Spout plug

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