JP4679736B2 - Recycling screw cap - Google Patents

Recycling screw cap Download PDF

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Publication number
JP4679736B2
JP4679736B2 JP2001047825A JP2001047825A JP4679736B2 JP 4679736 B2 JP4679736 B2 JP 4679736B2 JP 2001047825 A JP2001047825 A JP 2001047825A JP 2001047825 A JP2001047825 A JP 2001047825A JP 4679736 B2 JP4679736 B2 JP 4679736B2
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JP
Japan
Prior art keywords
screw
cap
main body
knob
male screw
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Fee Related
Application number
JP2001047825A
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Japanese (ja)
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JP2002255218A (en
Inventor
光治 林田
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Mikasa Sangyo Co Ltd
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Mikasa Sangyo Co Ltd
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Publication date
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Priority to JP2001047825A priority Critical patent/JP4679736B2/en
Publication of JP2002255218A publication Critical patent/JP2002255218A/en
Application granted granted Critical
Publication of JP4679736B2 publication Critical patent/JP4679736B2/en
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    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02W—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO WASTEWATER TREATMENT OR WASTE MANAGEMENT
    • Y02W30/00—Technologies for solid waste management
    • Y02W30/50—Reuse, recycling or recovery technologies
    • Y02W30/80—Packaging reuse or recycling, e.g. of multilayer packaging

Description

【０００１】
【発明の属する技術分野】
この発明は、弱化部を引き裂くための摘み片を有するリサイクルスクリューキャップに関するものである。
【０００２】
【従来の技術】
従来のリサイクルスクリューキャップとして、次のものがある（特開平１１−１６５７５６号参照）。
容器口部に嵌合固定されるキャップ本体と、該キャップ本体に開閉自在に設けられる上蓋とからなり、前記キャップ本体は内容物注出用開口を形成し得る頂板部と該頂板部の周縁部から伸びている筒状側壁とを備えているキャップにおいて；
前記キャップ本体の筒状側壁は、第１の筒状側壁と、水平フランジ部と、第２の筒状側壁とから構成され、第１の筒状側壁の上端は、前記頂板部に連なっており、第２の筒状側壁の上端は、前記水平フランジ部を介して第２の筒状側壁に連なっており、前記第１の筒状側壁の内側には、容器口部の外面と係合する係止突起が形成されており、前記第１の筒状側壁と第２の筒状側壁との間の水平フランジ部には、第１の筒状側壁と間隔をおいて直立した突片状の引き裂き用タブが設けられており、前記引き裂き用タブの付け根部分の一方側の周方向端部又はその近傍からは、第１の引き裂き用スコアが伸びており、かつ、他方側の周方向端部又はその近傍からは、第２の引き裂き用スコアが伸びており、第１の引き裂き用スコアは、第２の筒状側壁を通って、その下端乃至下端近傍にまで伸びており、第２の引き裂き用スコアは、第２の筒状側壁又は水平フランジ部に伸びており、前記引き裂き用タブの内側の水平フランジ部には、該タブの付け根部分に沿って破断用弱化部が形成されており、該弱化部は、第１及び第２の引き裂き用スコアの少なくとも１本に連なっており、前記キャップ本体に設けられた上蓋を閉じたとき、前記引き裂き用タブは、上蓋により覆われることを特徴とする。
【０００３】
【発明が解決しようとする課題】
従来のキャップは、引き裂き用タブ（摘み片）が上蓋により隠されている。そのため、消費者が上蓋を開く前に誤って引き裂き用タブを引っ張って弱化部を破断する、というトラブルは発生しない。
【０００４】
しかしながら、このキャップは、上蓋をキャップ本体の注出筒に螺合する、いわゆる、スクリューキャップ、であり、該タブの高さは低く形成されている。そのため、リサイクル時に、該タブを摘んで引っ張ることは困難となる。そこで、該タブの高さを高くすることが考えられるが、この様にすると、該タブが上蓋の内面に形成された雌ねじと干渉し上蓋を閉めることができなくなる。
【０００５】
本発明は、上記事情に鑑み、摘み片を摘みやすくすると共に、上蓋を確実に螺着できるようにすることを目的とする。
【０００６】
【課題を解決するための手段】
この発明は、容器口部に固定されるキャップ本体と、該キャップ本体に設けられた弱化部と、該キャップ本体の注出筒に設けられた雄ねじ部と、該キャップ本体の上壁に前記雄ねじ部と対向して立設され、かつ、前記弱化部を引き裂くための摘み片と、該注出筒の雄ねじ部に螺合され、前記摘み片を覆う上蓋と、を備えた合成樹脂製のリサイクルスクリューキャップにおいて；前記雄ねじ部の摘み片に対向する部分にねじ欠き部が設けられていることを特徴とし、更に、該ねじ欠き部の上部が、指掛け用凹部に連設されている、又は、該摘み片の先端の係合部が、注出筒の上端部の係止部に係合していることを特徴とする。又、該摘み片の先端に、突起部が形成されていてもよい。
【０００７】
【発明の実施の形態】
本発明者は、キャップ本体に上蓋を螺着する際に、摘み片が雄ねじに乗らないようにすれば、摘み片を長くしても問題ないと考えた。
そこで、摘み片に対応する雄ねじ部の雄ねじを切り欠いて、ねじ欠き部を形成し、上蓋をキャップ本体に螺合する際には、該ねじ欠き部に摘み片を圧接するようにした。
【０００８】
【実施例】
この発明の第１実施例を図１〜図４に基づいて説明する。
リサイクルスクリューキャップは、合成樹脂で形成され、打栓により容器口部１に固定される。このキャップは、キャップ本体２と、該キャップ２に螺着される上蓋３と、により構成されている。
【０００９】
キャップ本体２は、内筒５の上端と外筒６の上端とを連結する上壁７と、該内筒５の延長部である注出筒９と、該注出筒９に連結された円錐台口１０と、該円錐台口１０の下端部に設けられた遮蔽板１１と、該遮蔽板１１に設けられたスコア１２及びプルリング１３と、上壁７及び外筒６に設けた弱化部１５，１６，１７と、を備えている。
【００１０】
注出筒９には、雄ねじ部２０が設けられ、上壁７には、前記ねじ部２０に近接して円弧状の摘み片２２が立設され、この摘み片２２は該ねじ部２０と対向し、その先端部22ａは雄ねじ２０ａから突出している。
【００１１】
この雄ねじ部２０には、ねじ欠き部２１が設けられているが、このねじ欠き部２１は、摘み片２２に対向し、雄ねじ２０ａが欠如している。
このねじ欠き部２１の形状や大きさなどは、必要に応じて適宜選択されるが、いずれにしても、摘み片２２が完全に収容できる様に形成される。
【００１２】
上蓋３の下端部内周面には、前記雄ねじ部２０に螺合する雌ねじ部３０が設けられ、天板３１には、シール突起３２が設けられ、このシール突起３２は円錐台口１０の先端部内面に圧接する。
【００１３】
次に、本実施例の作動について説明する。
キャップ本体２に被せた蓋３を所定方向に回転すると、雌ねじ部３０は摘み片２２を押圧し弾性変形させる。更に、該上蓋３を同方向に回転させると、該摘み片２２は、完全にねじ欠き部２１に押しつけられて密着するので、該雌ねじ部３０は雄ねじ部２０に螺合し、上蓋３の下面は、上壁７に当接する。
【００１４】
そのため、摘み片２２は、完全にねじ欠き部２１に収容されるため、雌ねじ部３０の雌ねじと干渉することがないので、完全に上蓋２３をキャップ本体２に螺着することができる。
【００１５】
次に、該キャップを容器口部から外すときには、上蓋３をキャップ本体２から外し、摘み片２２を指で掴んで所定方向に引っ張る。そうすると、弱化部１５，１６，１７が引き裂かれキャップ本体２が容器口部から外れる。
この時、摘み片２２は、長いため摘みやすいので、容易に引き裂き作業を行うことができる。
【００１６】
この発明の第２実施例を図５により説明する。
この実施例と第１実施例（図１〜図４）との相違点は、摘み片５０が台形状に形成され、ねじ欠き部５１が該摘み片５０に対応して台形状になっていることである。このように摘み片５０を形成すると、指で起こしやすくなるので、引っ張りやすくなる。
又、摘み片５０の先端部は、幅が狭く弾性変形しやすいため、上蓋３のキャップ本体２への装着（又は螺着）の開始を容易にすることが出来る。
【００１７】
この発明の第３実施例を図６により説明する。
この実施例と第１実施例（図１〜図４）との相違点は、摘み片６０の先端に突起部６０ａを形成したことである。このよう摘み片６０に突起部６０ａを形成すると、指で起こしやすくなるので、引っ張りやすくなる。
【００１８】
この発明の第４実施例を図７により説明する。この実施例と第１実施例（図１〜図４）との相違点は、注出筒９にねじ欠き部２１と連続する指掛け用凹部７０を形成したことである。このように凹部７０を設けると、摘み片２２先端部の裏側に大きなスペースが発生するので、摘みやすくなる。
【００１９】
この発明の第５実施例を図８，図９により説明する。
この実施例と第１実施例（図１〜図４）との相違点は、摘み片７５が注出筒９より高く形成され、その先端７５ａの内側に係合部７１が形成され、該係合部７１が注出筒９の先端に形成された係止部７２に係合することである。このようにすると、摘み片７５の長さが長くなり、且つ、その先端にある係合部７１が滑り止めになるので、引っ張りやすくなる。
【００２０】
【発明の効果】
この発明は、雄ねじ部にねじ欠き部を形成したので、上蓋とキャップ本体とを完全に螺着することができるとともに、摘み片を従来より長くすることができる。そのため、摘みやすくなるので、分別作業を能率良くおこなうことができる。
【図面の簡単な説明】
【図１】本発明の第１実施例を示す平面図である。
【図２】図１の正面図である。
【図３】キャップ本体に上蓋を螺着したときの状態を示す正面図である。
【図４】図３のIV-IV線縦断面図である。
【図５】本発明の第２実施例を示す正面図である。
【図６】本発明の第３実施例を示す縦断面図の一部を示す図である。
【図７】本発明の第４実施例を示す平面図である。
【図８】本発明の第５実施例を示す正面図である。
【図９】図８のIX-IX線断面図の一部を示す拡大図である。
【符号の説明】
１ 容器口部
２ キャップ本体
３ 上蓋
７ 上壁
９ 注出筒
２０ 雄ねじ部
２１ ねじ欠き部
２２ 摘み片[0001]
BACKGROUND OF THE INVENTION
The present invention relates to a recycling screw cap having a knob for tearing a weakened portion.
[0002]
[Prior art]
As a conventional recycle screw cap, there is the following (refer to JP-A-11-165756).
A cap body fitted and fixed to the container mouth portion, and an upper lid that can be freely opened and closed on the cap body. The cap body can form an opening for pouring contents, and a peripheral portion of the top plate portion. In a cap comprising a cylindrical side wall extending from;
The cylindrical side wall of the cap body is composed of a first cylindrical side wall, a horizontal flange portion, and a second cylindrical side wall, and the upper end of the first cylindrical side wall is continuous with the top plate portion. The upper end of the second cylindrical side wall is connected to the second cylindrical side wall through the horizontal flange portion, and the inner side of the first cylindrical side wall is engaged with the outer surface of the container mouth portion. A locking projection is formed, and a horizontal flange portion between the first cylindrical side wall and the second cylindrical side wall has a protruding piece-like shape standing upright with a space from the first cylindrical side wall. A tear tab is provided, and a first tear score extends from the circumferential end portion on one side of the base portion of the tear tab or the vicinity thereof, and the circumferential end portion on the other side. Alternatively, from the vicinity thereof, the second tear score is extended, and the first tear score is the second cylindrical shape. The second tearing score extends through the wall to the lower end or near the lower end thereof, the second tearing score extends to the second cylindrical side wall or the horizontal flange portion, and the horizontal flange portion on the inner side of the tearing tab. Has a weakened portion for breaking along the base portion of the tab, and the weakened portion is connected to at least one of the first and second tear scores, and is provided on the cap body. When the upper lid is closed, the tear tab is covered with the upper lid.
[0003]
[Problems to be solved by the invention]
The conventional cap has a tear tab (a tab) hidden by an upper lid. Therefore, the trouble that the consumer accidentally pulls the tear tab and breaks the weakened portion before opening the upper lid does not occur.
[0004]
However, the caps are screwed to the top cover to the pouring cylinder of the cap body, so-called, a screw cap, the height of the tab is formed lower. Therefore, it is difficult to pick and pull the tab during recycling. Thus, it is conceivable to increase the height of the tab, but if this is done, the tab interferes with the internal thread formed on the inner surface of the upper lid, and the upper lid cannot be closed.
[0005]
In view of the above circumstances, an object of the present invention is to make it easy to pick a knob and to be able to screw an upper lid securely.
[0006]
[Means for Solving the Problems]
The present invention includes a cap main body fixed to a container mouth portion, a weakening portion provided in the cap main body, a male screw portion provided in a pour tube of the cap main body, and the male screw on an upper wall of the cap main body. A synthetic resin recycling comprising: a knob piece standing up against the section and tearing the weakened section; and an upper lid screwed into the male screw section of the extraction cylinder and covering the knob section In the screw cap; a screw notch portion is provided in a portion of the male screw portion facing the knob , and the upper portion of the screw notch portion is connected to the finger hanging recess, or The engaging portion at the tip of the knob piece is engaged with the engaging portion at the upper end portion of the dispensing cylinder. Moreover, the protrusion part may be formed in the front-end | tip of this knob .
[0007]
DETAILED DESCRIPTION OF THE INVENTION
The present inventor considered that there is no problem even if the length of the knob is long if the knob is not placed on the male screw when the upper lid is screwed onto the cap body.
Therefore, the male screw corresponding to the knob piece is cut out to form a screw notch portion, and when the upper lid is screwed to the cap body, the knob piece is pressed against the screw notch portion.
[0008]
【Example】
A first embodiment of the present invention will be described with reference to FIGS.
The recycle screw cap is formed of a synthetic resin and is fixed to the container mouth 1 by a stopper. The cap is composed of a cap body 2 and an upper lid 3 that is screwed onto the cap 2.
[0009]
The cap body 2 includes an upper wall 7 that connects the upper end of the inner cylinder 5 and the upper end of the outer cylinder 6, a pouring cylinder 9 that is an extension of the inner cylinder 5, and a cone that is coupled to the pouring cylinder 9. The base 10, the shielding plate 11 provided at the lower end of the truncated cone 10, the score 12 and the pull ring 13 provided on the shielding plate 11, and the weakening portion 15 provided on the upper wall 7 and the outer cylinder 6. , 16 and 17.
[0010]
The extraction tube 9 is provided with a male screw portion 20, and an arc-shaped knob piece 22 is erected on the upper wall 7 in the vicinity of the screw portion 20, and the knob piece 22 faces the screw portion 20. The front end portion 22a protrudes from the male screw 20a.
[0011]
The male screw portion 20 is provided with a screw notch portion 21, which is opposed to the knob 22 and lacks the male screw 20 a.
The shape, size, and the like of the threaded portion 21 are appropriately selected as necessary. In any case, the knob 22 is formed so that it can be completely accommodated.
[0012]
On the inner peripheral surface of the lower end portion of the upper lid 3, a female screw portion 30 that is screwed into the male screw portion 20 is provided, and a sealing projection 32 is provided on the top plate 31, and this sealing projection 32 is a tip portion of the truncated cone port 10. Press contact with the inner surface.
[0013]
Next, the operation of this embodiment will be described.
When the lid 3 placed on the cap body 2 is rotated in a predetermined direction, the female screw portion 30 presses the knob 22 and elastically deforms it. Further, when the upper lid 3 is rotated in the same direction, the knob 22 is completely pressed against the screw notch portion 21 so that the female screw portion 30 is screwed into the male screw portion 20, and the lower surface of the upper lid 3 is engaged. Contacts the upper wall 7.
[0014]
Therefore, since the knob 22 is completely accommodated in the screw notch portion 21 and does not interfere with the female screw of the female screw portion 30, the upper lid 23 can be completely screwed to the cap body 2.
[0015]
Next, when removing the cap from the container mouth, the upper lid 3 is removed from the cap body 2, and the knob 22 is grasped with a finger and pulled in a predetermined direction. If it does so, the weakening parts 15, 16, and 17 will be torn and the cap main body 2 will remove | deviate from a container opening part.
At this time, since the knob 22 is long and easy to pick, the tearing operation can be easily performed.
[0016]
A second embodiment of the present invention will be described with reference to FIG.
The difference between this embodiment and the first embodiment (FIGS. 1 to 4) is that the knob 50 is formed in a trapezoidal shape, and the screw notch 51 is trapezoidal corresponding to the knob 50. That is. When the knob 50 is formed in this way, it is easy to wake up with a finger, so that it is easy to pull.
Further, since the tip of the knob 50 has a narrow width and is easily elastically deformed, it is possible to easily start mounting (or screwing) the upper lid 3 on the cap body 2.
[0017]
A third embodiment of the present invention will be described with reference to FIG.
The difference between this embodiment and the first embodiment (FIGS. 1 to 4) is that a protrusion 60 a is formed at the tip of the knob piece 60. When the protrusion 60a is formed on the knob piece 60 in this manner, it is easy to wake up with a finger, so that it is easy to pull.
[0018]
A fourth embodiment of the present invention will be described with reference to FIG. The difference between this embodiment and the first embodiment (FIGS. 1-4) is that the formation of the finger hooking recess 70 which is continuous with the screw-out portion 21 in the pouring cylinder 9. When the concave portion 70 is provided in this way, a large space is generated on the back side of the tip portion of the knob piece 22, so that the knob is easily picked.
[0019]
A fifth embodiment of the present invention will be described with reference to FIGS.
The difference between this embodiment and the first embodiment (FIGS. 1 to 4) is that the knob 75 is formed higher than the extraction tube 9, and the engaging portion 71 is formed inside the tip 75a. The joining portion 71 is engaged with a locking portion 72 formed at the tip of the dispensing tube 9. If it does in this way, since the length of the knob 75 will become long and the engaging part 71 in the front-end | tip will become a slip stopper, it will become easy to pull.
[0020]
【The invention's effect】
In the present invention, since the threaded portion is formed in the male threaded portion, the upper lid and the cap body can be completely screwed together, and the knob can be made longer than before. Therefore, it becomes easy to pick, so that the sorting work can be performed efficiently.
[Brief description of the drawings]
FIG. 1 is a plan view showing a first embodiment of the present invention.
FIG. 2 is a front view of FIG. 1;
FIG. 3 is a front view showing a state when an upper lid is screwed onto the cap body.
4 is a vertical sectional view taken along line IV-IV in FIG.
FIG. 5 is a front view showing a second embodiment of the present invention.
FIG. 6 is a view showing a part of a longitudinal sectional view showing a third embodiment of the present invention.
FIG. 7 is a plan view showing a fourth embodiment of the present invention.
FIG. 8 is a front view showing a fifth embodiment of the present invention.
9 is an enlarged view showing a part of a cross-sectional view taken along the line IX-IX in FIG.
[Explanation of symbols]
DESCRIPTION OF SYMBOLS 1 Container mouth part 2 Cap main body 3 Upper lid 7 Upper wall 9 Outflow pipe | tube 20 Male thread part 21 Screw notch part 22 Knob piece

Claims (3)

容器口部に固定されるキャップ本体と、該キャップ本体に設けられた弱化部と、該キャップ本体の注出筒に設けられた雄ねじ部と、該キャップ本体の上壁に前記雄ねじ部と対向して立設され、かつ、前記弱化部を引き裂くための摘み片と、該注出筒の雄ねじ部に螺合され、前記摘み片を覆う上蓋と、を備えた合成樹脂製のリサイクルスクリューキャップにおいて；前記雄ねじ部の摘み片に対向する部分にねじ欠き部が設けられており、該ねじ欠き部の上部が、指掛け用凹部に連設されていることを特徴とするリサイクルスクリューキャップ。A cap main body fixed to the container mouth, a weakened portion provided in the cap main body, a male screw portion provided in a pour tube of the cap main body, and an upper wall of the cap main body facing the male screw portion. A recycle screw cap made of a synthetic resin, which is provided with a grip piece for tearing the weakened portion and an upper lid that is screwed into a male screw portion of the extraction cylinder and covers the grip piece; A recycle screw cap , wherein a screw notch is provided in a portion of the male screw facing the knob , and an upper part of the screw notch is connected to a finger hanging recess . 容器口部に固定されるキャップ本体と、該キャップ本体に設けられた弱化部と、該キャップ本体の注出筒に設けられた雄ねじ部と、該キャップ本体の上壁に前記雄ねじ部と対向して立設され、かつ、前記弱化部を引き裂くための摘み片と、該注出筒の雄ねじ部に螺合され、前記摘み片を覆う上蓋と、を備えた合成樹脂製のリサイクルスクリューキャップにおいて；前記雄ねじ部の摘み片に対向する部分にねじ欠き部が設けられており、該摘み片の先端の係合部が、注出筒の上端部の係止部に係合していることを特徴とするリサイクルスクリューキャップ。A cap main body fixed to the container mouth, a weakened portion provided in the cap main body, a male screw portion provided in a pour tube of the cap main body, and an upper wall of the cap main body facing the male screw portion. A recycle screw cap made of a synthetic resin, which is provided with a grip piece for tearing the weakened portion and an upper lid that is screwed into a male screw portion of the extraction cylinder and covers the grip piece; A screw notch portion is provided at a portion of the male screw portion facing the knob piece, and an engaging portion at the tip of the knob piece is engaged with a locking portion at the upper end portion of the dispensing cylinder. Recycled screw cap. 摘み片の先端に、突起部が形成されていることを特徴とする請求項１又は２に記載のリサイクルスクリューキャップ。The tip of the tab, recycling screw cap according to claim 1 or 2, characterized in that the protrusions are formed.
JP2001047825A 2001-02-23 2001-02-23 Recycling screw cap Expired - Fee Related JP4679736B2 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP2001047825A JP4679736B2 (en) 2001-02-23 2001-02-23 Recycling screw cap

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP2001047825A JP4679736B2 (en) 2001-02-23 2001-02-23 Recycling screw cap

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JP2002255218A JP2002255218A (en) 2002-09-11
JP4679736B2 true JP4679736B2 (en) 2011-04-27

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JP2001047825A Expired - Fee Related JP4679736B2 (en) 2001-02-23 2001-02-23 Recycling screw cap

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Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2002166948A (en) * 2000-11-30 2002-06-11 Yoshino Kogyosho Co Ltd Container with inside stopper made of synthetic resin

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0647801Y2 (en) * 1987-01-30 1994-12-07 株式会社コーセー Container with tamper-proof seal
JP3164537B2 (en) * 1997-08-22 2001-05-08 株式会社ドッヂ商会 Inner lid made of synthetic resin with removal function
JP4076258B2 (en) * 1997-09-30 2008-04-16 日本クラウンコルク株式会社 Plastic cap with excellent separation and disposal

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2002166948A (en) * 2000-11-30 2002-06-11 Yoshino Kogyosho Co Ltd Container with inside stopper made of synthetic resin

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