JP6061357B1 - Caps and containers with caps - Google Patents

Caps and containers with caps Download PDF

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Publication number
JP6061357B1
JP6061357B1 JP2015136839A JP2015136839A JP6061357B1 JP 6061357 B1 JP6061357 B1 JP 6061357B1 JP 2015136839 A JP2015136839 A JP 2015136839A JP 2015136839 A JP2015136839 A JP 2015136839A JP 6061357 B1 JP6061357 B1 JP 6061357B1
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Prior art keywords
container
cap
flap
band
main body
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JP2015136839A
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JP2017019510A (en
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真 中村
真 中村
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Nippon Closures Co Ltd
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Nippon Closures Co Ltd
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Application filed by Nippon Closures Co Ltd filed Critical Nippon Closures Co Ltd
Priority to JP2015136839A priority Critical patent/JP6061357B1/en
Priority to EP16821200.9A priority patent/EP3321207B1/en
Priority to KR1020177037597A priority patent/KR102089289B1/en
Priority to CN201680039432.0A priority patent/CN107735334B/en
Priority to PCT/JP2016/067869 priority patent/WO2017006730A1/en
Publication of JP6061357B1 publication Critical patent/JP6061357B1/en
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Publication of JP2017019510A publication Critical patent/JP2017019510A/en
Priority to US15/854,937 priority patent/US20180118418A1/en
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    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65D—CONTAINERS FOR STORAGE OR TRANSPORT OF ARTICLES OR MATERIALS, e.g. BAGS, BARRELS, BOTTLES, BOXES, CANS, CARTONS, CRATES, DRUMS, JARS, TANKS, HOPPERS, FORWARDING CONTAINERS; ACCESSORIES, CLOSURES, OR FITTINGS THEREFOR; PACKAGING ELEMENTS; PACKAGES
    • B65D41/00—Caps, e.g. crown caps or crown seals, i.e. members having parts arranged for engagement with the external periphery of a neck or wall defining a pouring opening or discharge aperture; Protective cap-like covers for closure members, e.g. decorative covers of metal foil or paper
    • B65D41/32—Caps or cap-like covers with lines of weakness, tearing-strips, tags, or like opening or removal devices, e.g. to facilitate formation of pouring openings
    • B65D41/34—Threaded or like caps or cap-like covers provided with tamper elements formed in, or attached to, the closure skirt
    • B65D41/3423—Threaded or like caps or cap-like covers provided with tamper elements formed in, or attached to, the closure skirt with flexible tabs, or elements rotated from a non-engaging to an engaging position, formed on the tamper element or in the closure skirt
    • B65D41/3428—Threaded or like caps or cap-like covers provided with tamper elements formed in, or attached to, the closure skirt with flexible tabs, or elements rotated from a non-engaging to an engaging position, formed on the tamper element or in the closure skirt the tamper element being integrally connected to the closure by means of bridges
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65D—CONTAINERS FOR STORAGE OR TRANSPORT OF ARTICLES OR MATERIALS, e.g. BAGS, BARRELS, BOTTLES, BOXES, CANS, CARTONS, CRATES, DRUMS, JARS, TANKS, HOPPERS, FORWARDING CONTAINERS; ACCESSORIES, CLOSURES, OR FITTINGS THEREFOR; PACKAGING ELEMENTS; PACKAGES
    • B65D41/00—Caps, e.g. crown caps or crown seals, i.e. members having parts arranged for engagement with the external periphery of a neck or wall defining a pouring opening or discharge aperture; Protective cap-like covers for closure members, e.g. decorative covers of metal foil or paper
    • B65D41/32—Caps or cap-like covers with lines of weakness, tearing-strips, tags, or like opening or removal devices, e.g. to facilitate formation of pouring openings
    • B65D41/34—Threaded or like caps or cap-like covers provided with tamper elements formed in, or attached to, the closure skirt
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65D—CONTAINERS FOR STORAGE OR TRANSPORT OF ARTICLES OR MATERIALS, e.g. BAGS, BARRELS, BOTTLES, BOXES, CANS, CARTONS, CRATES, DRUMS, JARS, TANKS, HOPPERS, FORWARDING CONTAINERS; ACCESSORIES, CLOSURES, OR FITTINGS THEREFOR; PACKAGING ELEMENTS; PACKAGES
    • B65D1/00—Containers having bodies formed in one piece, e.g. by casting metallic material, by moulding plastics, by blowing vitreous material, by throwing ceramic material, by moulding pulped fibrous material, by deep-drawing operations performed on sheet material
    • B65D1/02—Bottles or similar containers with necks or like restricted apertures, designed for pouring contents
    • B65D1/0223—Bottles or similar containers with necks or like restricted apertures, designed for pouring contents characterised by shape
    • B65D1/023—Neck construction
    • B65D1/0246—Closure retaining means, e.g. beads, screw-threads

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Ceramic Engineering (AREA)
  • Closures For Containers (AREA)

Abstract

【課題】キャップ開封時におけるフラップの反転を確実に防止しつつも、キャップ開封時のトルクに関する違和感を使用者に覚えさせることを抑制するキャップおよびキャップ付き容器を提供すること。【解決手段】キャップ本体２０の下端に弱化部４０を介して接続されるＴＥバンド３０とを備えたキャップ１０であって、ＴＥバンド３０は、バンド本体部３１の内周側に折り返されるフラップ３２とを有し、フラップ３２は、容器装着時に容器フランジ５３の下側に係合可能なフランジ用係合部３２ｂと、容器装着時に容器フランジ５３の外周側に配置される姿勢維持片３２ｃとを有し、バンド本体部３１の内周壁には、容器装着時に、姿勢維持片３２ｃの外周壁とバンド本体部３１の内周壁との間に間隙を形成する逃げ部２２ｃが形成されているキャップ１０。【選択図】図２To provide a cap and a container with a cap that reliably prevent a user from feeling uncomfortable about torque at the time of opening the cap while reliably preventing the flap from being inverted when the cap is opened. A cap 10 includes a TE band 30 connected to a lower end of a cap body 20 via a weakening portion 40, and the TE band 30 is a flap 32 that is folded back to the inner peripheral side of the band body portion 31. The flap 32 includes a flange engaging portion 32b that can be engaged with the lower side of the container flange 53 when the container is mounted, and a posture maintaining piece 32c that is disposed on the outer peripheral side of the container flange 53 when the container is mounted. The cap 10 is formed with an escape portion 22c that forms a gap between the outer peripheral wall of the posture maintaining piece 32c and the inner peripheral wall of the band main body 31 when the container is mounted. . [Selection] Figure 2

Description

本発明は、キャップ本体の下端に弱化部を介して接続されるＴＥバンドを備えた容器用のキャップおよびキャップ付き容器に関する。   The present invention relates to a cap for a container provided with a TE band connected to a lower end of a cap body via a weakened portion, and a container with a cap.

近年、流通過程等においてキャップが不正に開封されることを防止するために、キャップ本体の下端に弱化部を介して接続されるＴＥバンド（タンパーエビデントバンド）を有したキャップが、飲料用容器等の幅広い分野で採用されている。   In recent years, a cap having a TE band (tamper evidence band) connected to a lower end of a cap body via a weakened portion in order to prevent the cap from being tampered with in a distribution process or the like is a container for beverages. Has been adopted in a wide range of fields.

このようなＴＥバンドを有したキャップとして、従来、図４に示すように、キャップ本体１２０の下端に弱化部１４０を介して接続されたＴＥバンド１３０を備え、ＴＥバンド１３０の下端に、ＴＥバンド１３０の内周側に折り返されるフラップ１３２を連設することにより、キャップ開封時に、容器１５０に対してキャップ１１０を回転させ、容器１５０に対してキャップ１１０を上方に移動させた際に、フラップ１３２を容器フランジ１５３の下側に係合させて弱化部１４０を破断するキャップ１１０が知られている。   As a cap having such a TE band, conventionally, as shown in FIG. 4, a TE band 130 connected to the lower end of the cap body 120 via a weakened portion 140 is provided. By connecting the flap 132 that is folded back to the inner peripheral side of the cap 130, when the cap is opened, the cap 110 is rotated with respect to the container 150, and the flap 132 is moved when the cap 110 is moved upward with respect to the container 150. A cap 110 that breaks the weakened portion 140 by engaging the underside of the container flange 153 is known.

ところが、このようなキャップ１１０では、ＴＥバンド１３０の下端に形成されたフラップ１３２がＴＥバンド１３０の内周側の上方に向けて折り返されていることから、容器フランジ１５３の下方の容器口筒部１５１の外径が小さい場合には、フラップ１３２がその弾性によって容器口筒部１５１側に向けて倒れこみ、フラップ１３２とＴＥバンド１３０との間の角度αが大きくなるため、キャップ開封時に、図５に示すように、フラップ１３２と容器フランジ１５３との係合によってフラップ１３２が弾性変形して下方に倒れ、フラップ１３２が反転を生じてしまう場合がある。この様なフラップ１３２の反転が生じた場合、弱化部１４０が破断することなく、ＴＥバンド１３０が容器口筒部１５１からすっぽ抜けることになり、不正開栓したことがわからなくなる。   However, in such a cap 110, since the flap 132 formed at the lower end of the TE band 130 is folded upward toward the inner peripheral side of the TE band 130, the container mouth tube portion below the container flange 153 is provided. When the outer diameter of 151 is small, the flap 132 collapses toward the container mouth tube portion 151 due to its elasticity, and the angle α between the flap 132 and the TE band 130 becomes large. As shown in FIG. 5, there is a case where the flap 132 is elastically deformed by the engagement between the flap 132 and the container flange 153 and falls down, and the flap 132 is inverted. When such inversion of the flap 132 occurs, the weakened portion 140 is not broken, and the TE band 130 is completely removed from the container mouth tube portion 151, so that it is impossible to know that the tampering has been performed.

そこで、フラップ１３２の反転を防止する機能を付加したキャップ１１０として、図６に示すように、フラップ１３２の内周壁に容器フランジ１５３の下側に係合可能なフランジ用係合部１３２ｂを形成するとともに、容器装着時に、フラップ１３２の先端部分である姿勢維持片１３２ｃを容器フランジ１５３の外周壁とＴＥバンド１３０の内周壁との間で挟むことにより、フラップ１３２とＴＥバンド１３０との間の角度αを維持するキャップ１１０が提案されている（特許文献１を参照）。   Thus, as shown in FIG. 6, a flange engaging portion 132 b that can be engaged with the lower side of the container flange 153 is formed on the inner peripheral wall of the flap 132 as the cap 110 to which a function of preventing the flap 132 from being reversed is added. In addition, the angle between the flap 132 and the TE band 130 is obtained by sandwiching the posture maintaining piece 132c, which is the tip portion of the flap 132, between the outer peripheral wall of the container flange 153 and the inner peripheral wall of the TE band 130 when the container is mounted. A cap 110 that maintains α has been proposed (see Patent Document 1).

実公平５−１３７３５号公報Japanese Utility Model No. 5-13735

ところが、特許文献１に記載のキャップ１１０では、姿勢維持片１３２ｃが容器フランジ１５３の外周壁とＴＥバンド１３０の内周壁との間で挟まれ、姿勢維持片１３２ｃの外周側がＴＥバンド１３０によって支持されていることから、姿勢維持片１３２ｃの内周壁と容器フランジ１５３の外周壁との間の接触圧が大きくなり、容器１５０に対してキャップ１１０を回転させる際の姿勢維持片１３２ｃの内周壁と容器フランジ１５３の外周壁との間の摩擦が大きくなる。   However, in the cap 110 described in Patent Document 1, the posture maintaining piece 132c is sandwiched between the outer peripheral wall of the container flange 153 and the inner peripheral wall of the TE band 130, and the outer peripheral side of the posture maintaining piece 132c is supported by the TE band 130. Therefore, the contact pressure between the inner peripheral wall of the posture maintaining piece 132c and the outer peripheral wall of the container flange 153 increases, and the inner peripheral wall of the posture maintaining piece 132c and the container when the cap 110 is rotated with respect to the container 150 are increased. Friction with the outer peripheral wall of the flange 153 increases.

その結果、図４や図５に示すような通常のキャップ１１０、すなわち、ＴＥバンド１３０の内周壁と容器フランジ１５３の外周壁との間に姿勢維持片１３２ｃ等が介在していない通常のキャップ１１０と比較して、キャップ開封時においてキャップ１１０の回転を開始させる際に必要とされる所謂ファーストトルクが大きくなるため、キャップ開封時のトルクに関する違和感を使用者に覚えさせてしまう場合があるという問題があった。
上述した問題は、特に、フラップ１３２の厚み寸法、容器フランジ１５３の外径寸法、ＴＥバンド１３０の内径寸法等の、各寸法に製造誤差が生じた場合には更に顕著になる。 As a result, the normal cap 110 as shown in FIGS. 4 and 5, that is, the normal cap 110 in which the posture maintaining piece 132 c or the like is not interposed between the inner peripheral wall of the TE band 130 and the outer peripheral wall of the container flange 153. The so-called first torque required to start the rotation of the cap 110 when the cap is opened is larger than the first torque, which may make the user feel uncomfortable about the torque when the cap is opened. was there.
The above-described problem becomes more prominent particularly when a manufacturing error occurs in each dimension such as the thickness dimension of the flap 132, the outer diameter dimension of the container flange 153, and the inner diameter dimension of the TE band 130.

そこで、本発明は、これらの問題点を解決するものであり、キャップ開封時におけるフラップの反転を確実に防止しつつも、キャップ開封時のトルクに関する違和感を使用者に覚えさせることを抑制するキャップおよびキャップ付き容器を提供することを目的とするものである。   Therefore, the present invention solves these problems, and prevents the user from feeling uncomfortable about the torque at the time of opening the cap while reliably preventing the flap from being reversed at the time of opening the cap. And it aims at providing a container with a cap.

本発明のキャップは、キャップ本体と、前記キャップ本体の下端に弱化部を介して接続されるＴＥバンドとを備えたキャップであって、前記ＴＥバンドは、前記キャップ本体の下端に接続される環状のバンド本体部と、前記バンド本体部の下端に連設され前記バンド本体部の内周側に折り返されるフラップとを有し、前記フラップは、前記バンド本体部の下端に連設されたフラップ本体と、前記フラップ本体の内周側に形成され、容器装着時に容器フランジの下側に係合可能なフランジ用係合部と、前記フラップ本体の上端側に形成され、容器装着時に前記容器フランジの外周側に配置される姿勢維持片とを有し、前記バンド本体部の内周壁には、容器装着時に、前記姿勢維持片の外周壁と前記バンド本体部の内周壁との間に間隙を形成する逃げ部が形成され、前記姿勢維持片の周方向幅は、前記フラップ本体の周方向幅よりも狭く形成されていることにより、前記課題を解決するものである。
本発明のキャップ付き容器は、前記キャップと、容器とを備えるキャップ付き容器であって、前記容器は、容器口筒部と、前記容器口筒部の外周に形成された容器側ネジ部と、前記容器側ネジ部の下方において前記容器口筒部の外周に形成された前記容器フランジとを有し、前記キャップを前記容器に装着した状態で、前記姿勢維持片の外周壁と前記バンド本体部の内周壁との間に間隙が形成されることにより、前記課題を解決するものである。 The cap of the present invention is a cap including a cap body and a TE band connected to a lower end of the cap body via a weakening portion, and the TE band is an annular shape connected to the lower end of the cap body. And a flap body connected to the lower end of the band body portion and folded back to the inner peripheral side of the band body portion. The flap body is connected to the lower end of the band body portion. A flange engaging portion formed on the inner peripheral side of the flap body and engageable with a lower side of the container flange when the container is mounted; and formed on an upper end side of the flap body, A posture maintaining piece disposed on the outer peripheral side, and a gap is formed on the inner peripheral wall of the band main body portion between the outer peripheral wall of the posture maintaining piece and the inner peripheral wall of the band main body portion when the container is mounted. Do Lower portion is formed, the circumferential width of the position maintaining member, by being narrower than the circumferential width of the flap body, which solves the above problems.
The capped container of the present invention is a capped container including the cap and the container, and the container includes a container mouth tube portion, a container side screw portion formed on an outer periphery of the container mouth tube portion, The container flange formed on the outer periphery of the container mouth tube portion below the container-side screw portion, and with the cap attached to the container, the outer peripheral wall of the posture maintaining piece and the band main body portion The above-mentioned problem is solved by forming a gap between the inner peripheral wall and the inner wall.

本請求項１、４に係る発明によれば、ＴＥバンドのバンド本体部の内周壁に、容器装着時に容器フランジの外周側に配置されるフラップの姿勢維持片の外周壁とバンド本体部の内周壁との間に間隙を形成する逃げ部が形成されていることにより、容器にキャップを装着した状態で、姿勢維持片の外周壁とバンド本体部の内周壁との間に間隙が形成され、姿勢維持片の外周側がバンド本体部によって支持されることを回避するとともに、姿勢維持片を外周側に撓ませることが可能になるため、姿勢維持片の内周壁と容器フランジの外周壁との間の接触圧が大きくなることを回避して、容器に対してキャップを回転させる際の姿勢維持片の内周壁と容器フランジの外周壁との間の摩擦が大きくなることを回避することができる。これにより、容器フランジに対する姿勢維持片の接触によってフラップとＴＥバンドとの間の角度を維持して、キャップ開封時におけるフラップの反転を確実に防止しつつも、キャップ開封時のトルクに関する違和感を使用者に覚えさせることを抑制することができる。
また、姿勢維持片の周方向幅が、フラップ本体の周方向幅よりも狭く形成されていることにより、フラップ本体の周方向幅と同じ幅で姿勢維持片を形成した場合と比較して、材料コストを低減することができるばかりでなく、フラップの姿勢維持片の内周壁と容器フランジの外周壁との間の摩擦を更に低減することができ、キャップ開封時に必要とされるトルクを通常のキャップにより近づけることができる。 According to the first and fourth aspects of the present invention, the inner peripheral wall of the band main body portion of the TE band, the outer peripheral wall of the flap posture maintaining piece disposed on the outer peripheral side of the container flange when the container is mounted, and the inner portion of the band main body portion. By forming a clearance portion that forms a gap with the peripheral wall, a gap is formed between the outer peripheral wall of the posture maintaining piece and the inner peripheral wall of the band main body with the cap attached to the container, Since it is possible to avoid that the outer peripheral side of the posture maintaining piece is supported by the band main body part and to bend the posture maintaining piece to the outer peripheral side, the gap between the inner peripheral wall of the posture maintaining piece and the outer peripheral wall of the container flange It is possible to avoid an increase in friction between the inner peripheral wall of the posture maintaining piece and the outer peripheral wall of the container flange when the cap is rotated with respect to the container. As a result, the angle between the flap and the TE band is maintained by the contact of the posture maintaining piece with the container flange, and while preventing the flap from being reversed when the cap is opened, the uncomfortable feeling related to the torque when opening the cap is used. Can be suppressed.
In addition, since the circumferential width of the posture maintaining piece is formed to be narrower than the circumferential width of the flap body, compared with the case where the posture maintaining piece is formed with the same width as the circumferential width of the flap body, Not only can the cost be reduced, but also the friction between the inner peripheral wall of the flap posture maintaining piece and the outer peripheral wall of the container flange can be further reduced, and the torque required for opening the cap can be reduced to a normal cap. Can be closer.

本請求項２に係る発明によれば、姿勢維持片が、フラップ本体の周方向両端にそれぞれ形成されていることにより、両端に形成された姿勢維持片によって、フラップとＴＥバンドとの間の角度を確実に維持しつつも、姿勢維持片の内周壁と容器フランジの外周壁との間の摩擦を低減することができる。
本請求項３に係る発明によれば、姿勢維持片の厚みが、フラップ本体の最薄箇所の厚みよりも薄く形成されていることにより、姿勢維持片の可撓性が向上し、キャップ開封時に、姿勢維持片が外周側に向けて撓み易くなるため、容器フランジとフランジ用係合部との係合を良好に維持しつつも、フラップの姿勢維持片の内周壁と容器フランジの外周壁との間の摩擦を一段と低減することができる。 According to the second aspect of the present invention, since the posture maintaining pieces are formed at both ends in the circumferential direction of the flap body, the angle between the flap and the TE band is formed by the posture maintaining pieces formed at both ends. It is possible to reduce the friction between the inner peripheral wall of the posture maintaining piece and the outer peripheral wall of the container flange while reliably maintaining the above.
According to the third aspect of the present invention, the posture maintaining piece is thinner than the thinnest part of the flap body, thereby improving the flexibility of the posture maintaining piece, and opening the cap. Since the posture maintaining piece is easily bent toward the outer peripheral side, the inner peripheral wall of the flap posture maintaining piece and the outer peripheral wall of the container flange are maintained while maintaining good engagement between the container flange and the flange engaging portion. Can be further reduced.

本発明の一実施形態に係るキャップを示す説明図。Explanatory drawing which shows the cap which concerns on one Embodiment of this invention. 図１に示すキャップの開栓前の状態を部分的に示す断面図。Sectional drawing which shows the state before opening of the cap shown in FIG. 1 partially. 図１に示すキャップの開栓後の状態を部分的に示す断面図。Sectional drawing which shows the state after opening of the cap shown in FIG. 1 partially. 従来のキャップの開栓前の状態を部分的に示す断面図。Sectional drawing which shows the state before opening of the conventional cap partially. 従来のキャップの開栓後の状態を部分的に示す断面図。Sectional drawing which shows the state after opening of the conventional cap partially. 他の従来のキャップを示す断面図。Sectional drawing which shows another conventional cap.

以下に、本発明の一実施形態に係るキャップ１０について、図面に基づいて説明する。   Below, cap 10 concerning one embodiment of the present invention is explained based on a drawing.

まず、キャップ１０は、合成樹脂等から形成され、図１や図２に示すように、キャップ本体２０と、キャップ本体２０の下端に弱化部４０を介して接続されるＴＥバンド３０とを備えている。   First, the cap 10 is formed of a synthetic resin or the like, and includes a cap body 20 and a TE band 30 connected to the lower end of the cap body 20 via a weakened portion 40 as shown in FIGS. 1 and 2. Yes.

キャップ本体２０は、図１や図２に示すように、円板状の天面壁２１と、天面壁２１の外周縁から垂下する円筒状のスカート壁２２とを有している。   As shown in FIGS. 1 and 2, the cap body 20 includes a disk-shaped top wall 21 and a cylindrical skirt wall 22 depending from the outer peripheral edge of the top wall 21.

天面壁２１には、図１や図２に示すように、天面壁２１の下面から下方に突出するインナーリング２１ａと、インナーリング２１ａの外周側において天面壁２１の下面から下方に突出するアウターリング２１ｂとが形成されている。インナーリング２１ａは、容器５０に対してキャップ１０を取り付けた状態で、容器口筒部５１の内周側に密着し、また、アウターリング２１ｂは、容器口筒部５１の外周側に密着する。
また、スカート壁２２の外周壁には、ナール部２２ａが形成され、また、スカート壁２２の内周壁には、容器５０の容器口筒部５１の外周壁に形成された容器側ネジ部５２と螺合するキャップ側ネジ部２２ｂが形成されている。 As shown in FIGS. 1 and 2, the top wall 21 has an inner ring 21a that protrudes downward from the lower surface of the top surface wall 21, and an outer ring that protrudes downward from the lower surface of the top wall 21 on the outer peripheral side of the inner ring 21a. 21b. The inner ring 21 a is in close contact with the inner peripheral side of the container mouth tube portion 51 in a state where the cap 10 is attached to the container 50, and the outer ring 21 b is in close contact with the outer peripheral side of the container mouth tube portion 51.
Further, a knurl portion 22 a is formed on the outer peripheral wall of the skirt wall 22, and a container-side screw portion 52 formed on the outer peripheral wall of the container mouth tube portion 51 of the container 50 is formed on the inner peripheral wall of the skirt wall 22. A cap side screw portion 22b to be screwed is formed.

弱化部４０は、図１や図２に示すように、キャップ本体２０のスカート壁２２の下端とＴＥバンド３０のバンド本体部３１の上端とを接続する破断可能な環状の部位である。本実施形態においては、弱化部４０は、キャップ周方向に交互に形成された複数のブリッジおよびスリットから構成されている。なお、弱化部４０の具体的態様については、破断可能に設けられていれば如何なるものでもよい。   As shown in FIGS. 1 and 2, the weakening portion 40 is a breakable annular portion that connects the lower end of the skirt wall 22 of the cap body 20 and the upper end of the band body portion 31 of the TE band 30. In the present embodiment, the weakening portion 40 is composed of a plurality of bridges and slits that are alternately formed in the cap circumferential direction. In addition, about the specific aspect of the weakening part 40, as long as it is provided so that fracture | rupture is possible, what kind of thing may be sufficient.

ＴＥバンド３０は、図１や図２に示すように、環状のバンド本体部３１と、バンド本体部３１の下端に連設されバンド本体部３１の内周側の上方に向けて折り返されるフラップ３２とを有している。フラップ３２は、相互間に間隔を置いて、キャップ周方向に沿って複数形成されている。   As shown in FIGS. 1 and 2, the TE band 30 includes an annular band main body 31 and a flap 32 that is connected to the lower end of the band main body 31 and is folded upward toward the inner peripheral side of the band main body 31. And have. A plurality of the flaps 32 are formed along the circumferential direction of the cap with an interval between them.

バンド本体部３１は、図２に示すように、その内周側が下端に向かうほど内周側に厚肉となるテーパ状に形成されており、バンド本体部３１とフラップ３２とがなす折れ曲がり起点が、バンド本体部３１の上端側の内周面よりも内周側に位置するように形成されている。これにより、キャップ装着時に、フラップ３２の姿勢を垂直に維持した状態で容器フランジ５３に対してフラップ３２を接触させることが可能であるため、開栓時のＴＥバンド３０のすっぽ抜けを防止することができる。
各フラップ３２は、図１や図２に示すように、バンド本体部３１の下端に連設されたフラップ本体３２ａと、フラップ本体３２ａの内周壁に突出形成され、容器５０に対してキャップ１０を装着した状態で、容器側ネジ部５２の下方において容器口筒部５１の外周に形成された容器フランジ（カブラ）５３の下側に係合可能なフランジ用係合部３２ｂと、フラップ本体３２ａの上端に突出形成され、容器５０に対してキャップ１０を装着した状態で、容器フランジ５３の外周側に配置される複数の姿勢維持片３２ｃとを有している。
フラップ本体３２ａは、図２に示すように、その内周側が下端に向かうほど薄肉となるテーパ状に形成されており、これにより、キャップ装着時のフラップ３２の折り曲げ抵抗を軽減できる。
また、図２に示すように、容器５０に対してキャップ１０を装着した状態では、フランジ用係合部３２ｂと容器フランジ５３との間には、上下方向の間隙が形成されている。
この上下方向の間隙は、開栓工程において、インナーリング２１ａおよびアウターリング２１ｂと容器口筒部５１との間の密着状態が解除されるよりも先に、フランジ用係合部３２ｂの上面と容器フランジ５３の下面とが係合し、弱化部４０が破断するような大きさで形成されている。 As shown in FIG. 2, the band main body 31 is formed in a taper shape that becomes thicker on the inner peripheral side toward the lower end, and a bending start point formed by the band main body 31 and the flap 32 is formed. The band main body 31 is formed so as to be located on the inner peripheral side with respect to the inner peripheral surface on the upper end side. Accordingly, when the cap is attached, the flap 32 can be brought into contact with the container flange 53 in a state in which the posture of the flap 32 is maintained vertically, thereby preventing the TE band 30 from slipping off when the cap is opened. be able to.
As shown in FIG. 1 and FIG. 2, each flap 32 is formed to protrude from a flap main body 32 a continuously provided at the lower end of the band main body 31 and an inner peripheral wall of the flap main body 32 a, and the cap 10 is attached to the container 50. In the mounted state, a flange engaging portion 32b that can be engaged with the lower side of the container flange (cabra) 53 formed on the outer periphery of the container mouth tube portion 51 below the container side screw portion 52, and the flap main body 32a. A plurality of posture maintaining pieces 32 c are formed on the upper end and are arranged on the outer peripheral side of the container flange 53 with the cap 10 attached to the container 50.
As shown in FIG. 2, the flap body 32 a is formed in a tapered shape such that the inner peripheral side thereof becomes thinner toward the lower end, thereby reducing the bending resistance of the flap 32 when the cap is attached.
As shown in FIG. 2, when the cap 10 is attached to the container 50, a vertical gap is formed between the flange engaging portion 32 b and the container flange 53.
The gap in the vertical direction is formed between the upper surface of the flange engaging portion 32b and the container before the close contact state between the inner ring 21a and the outer ring 21b and the container mouth tube portion 51 is released in the opening process. It is formed in such a size that the lower surface of the flange 53 engages and the weakened portion 40 is broken.

フランジ用係合部３２ｂは、図１に示すように、フラップ本体３２ａのキャップ周方向の中央部に形成され、姿勢維持片３２ｃは、フラップ本体３２ａのキャップ周方向の両端にそれぞれ形成されている。
本実施形態においては、フランジ用係合部３２ｂは、図２に示すように、その上面が略水平に形成され、また、その内周側が下端に向かうほど薄肉となるテーパ状（すなわち、断面形状が下方に向けて先細る略三角形）に形成されている。
なお、フランジ用係合部３２ｂの具体的形状については、上記に限定されないが、開栓時のＴＥバンド３０のすっぽ抜けなどを考慮すると、その上面を略水平に形成し、図３に示すように、容器フランジ５３の下面とフランジ用係合部３２ｂの上面とを水平に接触させることが好ましい。
また、フランジ用係合部３２ｂおよび姿勢維持片３２ｃは、キャップ周方向に重ならないように形成され、これにより、射出成形によるキャップ１０の成形性、特に、フラップ３２の成形性を向上させることができる。
また、フランジ用係合部３２ｂおよび姿勢維持片３２ｃのキャップ周方向における幅は、フラップ本体３２ａの周方向幅よりも狭く形成されている。
また、姿勢維持片３２ｃのキャップ径方向における厚みは、フラップ本体３２ａの最薄箇所の厚みよりも薄く形成されている。
なお、本実施形態では、姿勢維持片３２ｃは、図１や図２に示すように、その断面形状が矩形状に形成されているが、姿勢維持片３２ｃの具体的態様についてはこれに限定されず、例えば、その断面形状を三角形や円弧状に形成してもよく、また、容器フランジ５３と接触する姿勢維持片３２ｃの内周面に、梨地加工等の、接触による抵抗の軽減を図る加工を施してもよい。 As shown in FIG. 1, the flange engaging portion 32b is formed at the center portion of the flap body 32a in the cap circumferential direction, and the posture maintaining pieces 32c are respectively formed at both ends of the flap body 32a in the cap circumferential direction. .
In the present embodiment, as shown in FIG. 2, the flange engaging portion 32 b is formed in a tapered shape (i.e., a cross-sectional shape) whose upper surface is formed substantially horizontally and whose inner peripheral side becomes thinner toward the lower end. Is formed in a substantially triangular shape that tapers downward.
Note that the specific shape of the flange engaging portion 32b is not limited to the above, but considering the slipping of the TE band 30 at the time of opening, the upper surface thereof is formed to be substantially horizontal, as shown in FIG. As described above, it is preferable that the lower surface of the container flange 53 and the upper surface of the flange engaging portion 32b are in horizontal contact.
Further, the flange engaging portion 32b and the posture maintaining piece 32c are formed so as not to overlap each other in the cap circumferential direction, thereby improving the moldability of the cap 10 by injection molding, in particular, the moldability of the flap 32. it can.
The width of the flange engaging portion 32b and the posture maintaining piece 32c in the circumferential direction of the cap is narrower than the circumferential width of the flap body 32a.
Further, the thickness of the posture maintaining piece 32c in the cap radial direction is formed to be thinner than the thickness of the thinnest portion of the flap body 32a.
In the present embodiment, as shown in FIGS. 1 and 2, the posture maintaining piece 32c has a rectangular cross-sectional shape, but the specific form of the posture maintaining piece 32c is not limited thereto. For example, the cross-sectional shape may be formed in a triangular shape or an arc shape, and the inner peripheral surface of the posture maintaining piece 32c in contact with the container flange 53 is processed to reduce resistance due to contact, such as matte processing. May be applied.

バンド本体部３１の内周壁の上端側およびスカート壁２２の内周壁の下端側には、図２に示すように、容器５０に対してキャップ１０を装着した状態で、姿勢維持片３２ｃの外周壁とバンド本体部３１の内周壁との間に間隙を形成する凹部状の逃げ部２２ｃ、３１ａが形成されている。これら逃げ部２２ｃ、３１ａを形成することにより、姿勢維持片３２ｃが外周側に向けて撓むことができる。
なお、逃げ部２２ｃ、３１ａの具体的態様については、容器５０に対してキャップ１０を装着した状態で、姿勢維持片３２ｃの外周壁とバンド本体部３１の内周壁との間に間隙を形成するものであれば、如何なるものでもよい。
また、姿勢維持片３２ｃの長さが短い場合には、スカート壁２２の内周壁の下端側に逃げ部２２ｃを形成することなく、バンド本体部３１の内周壁の上端側のみに逃げ部３１ａを形成してもよい。 As shown in FIG. 2, the outer peripheral wall of the posture maintaining piece 32c is attached to the upper end side of the inner peripheral wall of the band main body 31 and the lower end side of the inner peripheral wall of the skirt wall 22 with the cap 10 attached to the container 50. Recessed relief portions 22 c and 31 a that form a gap between the inner peripheral wall of the band main body portion 31 and the band main body portion 31 are formed. By forming the escape portions 22c and 31a, the posture maintaining piece 32c can be bent toward the outer peripheral side.
In addition, about the specific aspect of escape part 22c, 31a, in the state which attached the cap 10 with respect to the container 50, a clearance gap is formed between the outer peripheral wall of the attitude | position maintenance piece 32c, and the inner peripheral wall of the band main-body part 31. Any thing can be used.
When the length of the posture maintaining piece 32c is short, the escape portion 31a is formed only on the upper end side of the inner peripheral wall of the band main body portion 31 without forming the escape portion 22c on the lower end side of the inner peripheral wall of the skirt wall 22. It may be formed.

以上、本発明の実施形態を詳述したが、本発明は上記実施形態に限定されるものではなく、特許請求の範囲に記載された本発明を逸脱することなく種々の設計変更を行なうことが可能である。   As mentioned above, although embodiment of this invention was explained in full detail, this invention is not limited to the said embodiment, A various design change can be performed without deviating from this invention described in the claim. Is possible.

例えば、フランジ用係合部や姿勢維持片の具体的配置や個数や寸法については、如何なるものであってもよい。例えば、フランジ用係合部および姿勢維持片のキャップ周方向における幅を、フラップ本体の周方向幅と同じに設計してもよく、また、フランジ用係合部を、フラップ本体における離間した２箇所に形成したり、姿勢維持片を、フラップ本体における離間した３箇所に形成してもよい。
また、各姿勢維持片の外周側に一体に形成され、キャップ周方向に複数配置された姿勢維持片をキャップ周方向に繋げる環状の接続部を追加形成することも考えられる。 For example, any specific arrangement, number, and dimensions of the flange engaging portion and the posture maintaining piece may be used. For example, the width of the flange engaging portion and the posture maintaining piece in the cap circumferential direction may be designed to be the same as the width of the flap main body in the circumferential direction. Alternatively, the posture maintaining pieces may be formed at three spaced locations on the flap body.
Further, it is also conceivable to additionally form an annular connecting portion that is integrally formed on the outer peripheral side of each posture maintaining piece and connects a plurality of posture maintaining pieces arranged in the cap circumferential direction in the cap circumferential direction.

１０ ・・・ キャップ
２０ ・・・ キャップ本体
２１ ・・・ 天面壁
２１ａ ・・・ インナーリング
２１ｂ ・・・ アウターリング
２２ ・・・ スカート壁
２２ａ ・・・ ナール部
２２ｂ ・・・ キャップ側ネジ部
２２ｃ ・・・ 逃げ部
３０ ・・・ ＴＥバンド
３１ ・・・ バンド本体部
３１ａ ・・・ 逃げ部
３２ ・・・ フラップ
３２ａ ・・・ フラップ本体
３２ｂ ・・・ フランジ用係合部
３２ｃ ・・・ 姿勢維持片
４０ ・・・ 弱化部
５０ ・・・ 容器
５１ ・・・ 容器口筒部
５２ ・・・ 容器側ネジ部
５３ ・・・ 容器フランジ DESCRIPTION OF SYMBOLS 10 ... Cap 20 ... Cap main body 21 ... Top wall 21a ... Inner ring 21b ... Outer ring 22 ... Skirt wall 22a ... Knurl part 22b ... Cap side screw part 22c・ ・ ・ Escape part 30 ・ ・ ・ TE band 31 ・ ・ ・ Band body part 31a ・ ・ ・ Escape part 32 ・ ・ ・ Flap 32a ・ ・ ・ Flap body 32b ・ ・ ・ Flange engaging part 32c ・ ・ ・ Posture maintenance Piece 40 ... weakening part 50 ... container 51 ... container mouth tube part 52 ... container side screw part 53 ... container flange

Claims (4)

キャップ本体と、前記キャップ本体の下端に弱化部を介して接続されるＴＥバンドとを備えたキャップであって、
前記ＴＥバンドは、前記キャップ本体の下端に接続される環状のバンド本体部と、前記バンド本体部の下端に連設され前記バンド本体部の内周側に折り返されるフラップとを有し、
前記フラップは、前記バンド本体部の下端に連設されたフラップ本体と、前記フラップ本体の内周側に形成され、容器装着時に容器フランジの下側に係合可能なフランジ用係合部と、前記フラップ本体の上端側に形成され、容器装着時に前記容器フランジの外周側に配置される姿勢維持片とを有し、
前記バンド本体部の内周壁には、容器装着時に、前記姿勢維持片の外周壁と前記バンド本体部の内周壁との間に間隙を形成する逃げ部が形成され、
前記姿勢維持片の周方向幅は、前記フラップ本体の周方向幅よりも狭く形成されていることを特徴とするキャップ。 A cap comprising a cap body and a TE band connected to the lower end of the cap body via a weakened portion;
The TE band has an annular band main body connected to the lower end of the cap main body, and a flap that is connected to the lower end of the band main body and is folded back to the inner peripheral side of the band main body.
The flap includes a flap main body continuously provided at a lower end of the band main body portion, a flange engaging portion that is formed on the inner peripheral side of the flap main body and can be engaged with the lower side of the container flange when the container is mounted, A posture maintaining piece that is formed on the upper end side of the flap body and is arranged on the outer peripheral side of the container flange when the container is mounted;
The inner peripheral wall of the band main body is formed with a relief portion that forms a gap between the outer peripheral wall of the posture maintaining piece and the inner peripheral wall of the band main body when the container is mounted,
The cap characterized in that a circumferential width of the posture maintaining piece is narrower than a circumferential width of the flap body. 前記姿勢維持片は、前記フラップ本体の周方向両端にそれぞれ形成されていることを特徴とする請求項１に記載のキャップ。   The cap according to claim 1, wherein the posture maintaining pieces are formed at both ends in the circumferential direction of the flap body. 前記姿勢維持片の厚みは、前記フラップ本体の最薄箇所の厚みよりも薄く形成されていることを特徴とする請求項１または請求項２に記載のキャップ。   The cap according to claim 1 or 2, wherein a thickness of the posture maintaining piece is formed thinner than a thickness of a thinnest portion of the flap body. 請求項１乃至請求項３のいずれかに記載のキャップと、容器とを備えるキャップ付き容器であって、
前記容器は、容器口筒部と、前記容器口筒部の外周に形成された容器側ネジ部と、前記容器側ネジ部の下方において前記容器口筒部の外周に形成された前記容器フランジとを有し、
前記キャップを前記容器に装着した状態で、前記姿勢維持片の外周壁と前記バンド本体部の内周壁との間に間隙が形成されることを特徴とするキャップ付き容器。 A cap-equipped container comprising the cap according to any one of claims 1 to 3 and a container,
The container includes a container mouth tube portion, a container side screw portion formed on the outer periphery of the container mouth tube portion, and the container flange formed on the outer periphery of the container mouth tube portion below the container side screw portion. Have
It said cap being attached to the container, features and to Ruki cap attachment container that gap is formed between the outer wall and the inner peripheral wall of the band body portion of the position maintaining member.
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CN201680039432.0A CN107735334B (en) 2015-07-08 2016-06-16 Lid and lidded container
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JP2020132181A (en) * 2019-02-15 2020-08-31 日本クロージャー株式会社 Synthetic resin container lid
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JP2020132181A (en) * 2019-02-15 2020-08-31 日本クロージャー株式会社 Synthetic resin container lid
JP7217166B2 (en) 2019-02-15 2023-02-02 日本クロージャー株式会社 Synthetic resin container lid
JP7404156B2 (en) 2020-05-28 2023-12-25 日本クロージャー株式会社 Synthetic resin container lid

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EP3321207B1 (en) 2020-10-07
KR102089289B1 (en) 2020-03-16
CN107735334B (en) 2019-06-14
WO2017006730A1 (en) 2017-01-12
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EP3321207A4 (en) 2019-04-03
KR20180028416A (en) 2018-03-16

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