JP5046091B2

JP5046091B2 - Tamper evidence structure of cap

Info

Publication number: JP5046091B2
Application number: JP2006328168A
Authority: JP
Inventors: 昌佐々木; 昇末政
Original assignee: Tokyo Light Industry Co Ltd
Current assignee: Tokyo Light Industry Co Ltd
Priority date: 2006-12-05
Filing date: 2006-12-05
Publication date: 2012-10-10
Anticipated expiration: 2026-12-05
Also published as: JP2008137717A

Description

本発明は、容器の口部に装着される略円筒状のキャップ本体と、該キャップ本体に冠着される有底筒状の蓋体とからなる合成樹脂製のキャップにおいて、蓋体を一度開けたら、この開栓状態を示す痕跡、すなわち開栓履歴を明確に判別できるようにしたキャップのタンパーエビデンス構造に関するものである。 The present invention relates to a synthetic resin cap comprising a substantially cylindrical cap body attached to the mouth of a container and a bottomed cylindrical lid body that is attached to the cap body. Then, the present invention relates to a tamper evidence structure of a cap that can clearly discriminate the trace indicating the open state, that is, the open history.

従来から、容器の口部に装着されるキャップには、一度開栓されたら、その開栓状態を示す痕跡を残すようにした種々のタンパーエビデンス構造が採用されている。
例えば、特許文献１には、容器の口部に装着されるキャップ本体と、該キャップ本体にヒンジ連結された上蓋とからなるキャップにおいて、上蓋にタンパーエビデントバンドが設けられ、このタンパーエビデントバンドは、キャップ本体のスカート壁の外周面に沿うように幅方向に湾曲した板状を呈しており、その基端部が破断可能な弱化部を介して上蓋の指掛け片の下面に突出形成されている。また、このタンパーエビデントバンドの下端には、内側に折り曲げ可能な薄いフラップが設けられ、このフラップを、キャップ本体のスカート壁に下端に設けられた切欠け部に挿入して係止させるようにしており、タンパーエビデントバンドを切り取らないと上蓋を開栓できない構成で、このタンパーエビデントバンドの破断状況を視認することにより開栓履歴を判別できる、ことが記載されている。
特開２００４−８３０７８号公報 Conventionally, various tamper-evidence structures have been adopted for caps attached to the mouths of containers so that once they are opened, a trace indicating the opened state is left.
For example, in Patent Document 1, a tamper evident band is provided on an upper lid of a cap including a cap body attached to the mouth of a container and an upper lid hinged to the cap body, and the tamper evidence band is provided. Is in the shape of a plate curved in the width direction along the outer peripheral surface of the skirt wall of the cap body, and the base end portion of the cap body is formed to protrude from the lower surface of the finger cover piece of the upper lid through a weakened portion that can be broken. Yes. In addition, a thin flap that can be bent inward is provided at the lower end of the tamper-evident band, and this flap is inserted into a notch portion provided at the lower end of the skirt wall of the cap body so as to be locked. In addition, it is described that the opening history can be determined by visually confirming the breaking state of the tamper evidence band in a configuration in which the upper lid cannot be opened unless the tamper evidence band is cut off.
JP 2004-83078 A

しかしながら、上述した特許文献１の発明では、タンパーエビデントバンドを弱化部に沿って切断して開栓し、このタンパーエビデントバンドの破断状況によって開栓履歴を判別できるが、このタンパーエビデントバンドの下端のフラップは、キャップ本体のスカート壁の切欠け部から容易に抜けないように構成されているため、開栓時には、まず、弱化部を破断して、タンパーエビデントバンドをキャップ本体の切欠け部から垂れ下がる状態にして、次に、タンパーエビデントバンドを大きい力で下方に引いて、フラップを切欠け部から引き抜くかあるいは折り曲げ部を切断して、キャップ本体から除去しなければならず、最初に開栓する操作がかなり煩雑になっている。 However, in the invention of Patent Document 1 described above, the tamper evidence band can be cut along the weakened portion and opened, and the opening history can be discriminated according to the breaking state of the tamper evidence band. The flap at the lower end of the cap is configured so that it cannot be easily removed from the cutout portion of the skirt wall of the cap body.When opening the cap, first the weakened portion is broken and the tamper evidence band is Next, it must be removed from the cap body by pulling the tamper evidence band downward with a large force and pulling out the flap from the notch or cutting the bent part. The operation of opening the plug first is quite complicated.

本発明は、かかる点に鑑みてなされたものであり、最初に開栓する開栓操作を簡単にすると共に、その開栓履歴を確実に判別することのできるキャップのタンパーエビデンス構造を提供することを目的とする。 The present invention has been made in view of the above points, and provides a tamper-evidence structure for a cap that can easily determine the opening history of the cap while simplifying the opening operation of opening the cap first. With the goal.

本発明は、上記課題を解決するための手段として、請求項１に記載した発明は、容器の口部に装着される略円筒状のキャップ本体と、該キャップ本体に冠着される有底筒状の蓋体とからなるキャップであって、蓋体またはキャップ本体のいずれか一方には、容易に切離可能な第１突起が設けられ、また、他方には、容易に切離可能な第２突起が設けられ、蓋体がキャップ本体に冠着された状態において、前記第１突起と前記第２突起とを離脱不可能に係合または接合して、開栓履歴確認用の確認突起として構成すると共に、該確認突起をキャップ本体及び蓋体から切離するための摘み部を前記確認突起の側方に一体に設け、前記摘み部は、前記第１突起の一端側に棒状体を設け、また、前記第２突起の一端側には凹部を設け、前記蓋体が前記キャップ本体に冠着された状態において、前記棒状体が前記凹部に挿入されて構成されることを特徴とするものである。 As a means for solving the above-mentioned problems, the present invention is characterized in that the invention described in claim 1 includes a substantially cylindrical cap body mounted on the mouth of a container, and a bottomed cylinder that is attached to the cap body. A cap formed of a lid, and a first protrusion that can be easily separated is provided on either the lid or the cap body, and a second projection that can be easily separated is provided on the other. 2 projections is provided, in a state where the lid body is capped with the cap body, the first and the second protrusion and withdrawal impossible engaged or by joining the projection, as a confirmation projection for confirmation unplugging history together constitute, provided integrally with the knob portion for for dissecting the confirmation projection from the cap body and the lid to the side of the check projection, said knob includes a rod-shaped body provided on one end side of the first protrusion In addition, a recess is provided on one end side of the second protrusion, and the lid body is In cap while being capped on the body, it is characterized in that configured the rod-shaped body is inserted into the recess.

従って、請求項１の発明では、最初に開栓する時には、確認突起の側方に位置して、第１突起に設けた棒状体が第２突起に設けた凹部に挿入されて構成される摘み部を指で把持して、該摘み部をキャップの外周面に沿ってその周方向に引っ張れば、第１突起及び第２突起を接合または係合してなる開栓履歴用の確認突起がキャップの外周面から切離されて、蓋体をキャップ本体から開き開栓可能になる。そして、確認突起の切離状況を視認することにより開栓履歴を判別することが可能となる。 Therefore, according to the first aspect of the present invention, when the plug is opened for the first time, it is located on the side of the confirmation protrusion, and the knob formed by inserting the rod-shaped body provided on the first protrusion into the recess provided on the second protrusion. If the grip portion is gripped with a finger and the knob is pulled in the circumferential direction along the outer peripheral surface of the cap, the confirmation protrusion for opening history formed by joining or engaging the first protrusion and the second protrusion is the cap. The lid is opened from the cap body and can be opened. Then, it is possible to determine the opening history by visually checking the separation state of the confirmation protrusion.

請求項２に記載した発明は、容器の口部に装着される略円筒状のキャップ本体と、該キャップ本体に冠着される有底筒状の蓋体とからなるキャップであって、蓋体またはキャップ本体のいずれか一方に設けられた第１突起は、蓋体またはキャップ本体の胴部から延設されて、その胴部から容易に切離可能な小突起で構成され、また、他方に設けられた第２突起は、蓋体またはキャップ本体の胴部の外周面との間に前記小突起を挿入できる程度の隙間を設けるように突設させて該胴部から容易に切離可能な帯状体で構成され、さらに、前記小突起の外壁面に係止爪部を形成すると共に、前記帯状体の内壁面に前記小突起の前記係止爪部が係止される係止段部を形成して、蓋体がキャップ本体に冠着された状態において、前記小突起が前記帯状体と、キャップ本体または蓋体の胴部の外周面との間の隙間に挿入されると共に、前記小突起の係止爪部が前記帯状体の係止段部に離脱不可能に係合されて、開栓履歴確認用の確認突起が構成され、前記確認突起をキャップ本体及び蓋体から切離するための摘み部を確認突起の側方に一体に設け、該摘み部は、前記小突起の一端側に棒状体を設け、また、前記帯状体の一端側には凹部を設け、前記蓋体が前記キャップ本体に冠着された状態において、前記棒状体が前記凹部に挿入されて構成されることを特徴とするものである。 According to a second aspect of the present invention, there is provided a cap comprising a substantially cylindrical cap body attached to a mouth portion of a container, and a bottomed cylindrical lid body that is attached to the cap body. Alternatively, the first protrusion provided on either one of the cap body is a small protrusion that extends from the body of the lid or the cap body and can be easily separated from the body. The provided second protrusion can be easily separated from the body by projecting so as to provide a gap enough to allow the small protrusion to be inserted between the outer surface of the body of the lid or the cap body. And a locking step portion formed on the outer wall surface of the small protrusion and having the locking claw portion of the small protrusion locked on the inner wall surface of the band-shaped body. In the state where the lid is formed on the cap body, the small protrusions are formed in the band-shaped body. And inserted into the gap between the cap body or the outer peripheral surface of the body of the lid, and the locking claw portion of the small protrusion is detachably engaged with the locking step portion of the belt-shaped body, A confirmation protrusion for confirming the opening history is configured , and a knob for separating the confirmation protrusion from the cap body and the lid is integrally provided on the side of the confirmation protrusion, and the knob is formed at one end of the small protrusion. A rod-shaped body is provided on the side, a recess is formed on one end side of the belt-shaped body, and the rod-shaped body is inserted into the recess when the lid is attached to the cap body. It is characterized by.

従って、請求項２の発明では、キャップのキャップ本体を容器の口部に打栓後、蓋体をキャップ本体に冠着する際に、小突起を、帯状体とキャップ本体または蓋体の胴部の外周面との間の隙間に挿入すると共に、小突起の外壁面に設けた係止爪部を帯状体の内壁面に設けた係止段部に係合し、小突起と帯状体とを離脱不可能に係合することにより、開栓履歴用の確認突起が構成される。
また、蓋体をキャップ本体に冠着する際、確認突起を設けるのと同時に、小突起に設けた棒状体を、帯状体に設けた凹部に挿入することにより、摘み部が構成される。 Therefore, according to the second aspect of the present invention, when the cap body of the cap is plugged into the mouth portion of the container and then the lid body is crowned on the cap body, the small protrusions are formed in the band-shaped body and the cap body or the body of the lid body. The engaging claw provided on the outer wall surface of the small protrusion is engaged with the engaging step provided on the inner wall surface of the belt-like body, and the small protrusion and the belt-like body are inserted. By engaging so as not to be disengaged, a confirmation protrusion for opening history is formed.
Further, when the lid is attached to the cap body, the knob is formed by inserting the rod-like body provided on the small protrusion into the recess provided on the belt-like body at the same time as providing the confirmation protrusion.

本発明の請求項１に記載した発明によれば、最初に開栓する時には、確認突起の側方に位置して、第１突起に設けた棒状体が第２突起に設けた凹部に挿入されて構成される摘み部を指で摘み、摘み部をキャップの外周面に沿って周方向に引っ張れば、確認突起がキャップから切離され、蓋体を開き開栓することができ、開栓後は、通常通りの使用が可能となる。このように、本キャップは、確認突起がキャップから切離されて開栓できる構造であるから、確認突起の切離状況を視認すれば、開栓履歴を判別することができる。しかも、摘み部を周方向に引っ張るだけの操作で確認突起を切離でき開栓することができるので、開栓操作が簡単なものとなる。 According to the first aspect of the present invention, when the plug is opened for the first time, the rod-shaped body provided on the first protrusion is inserted into the recess provided on the second protrusion, located on the side of the confirmation protrusion. If you pick the knob with a finger and pull the knob in the circumferential direction along the outer periphery of the cap, the confirmation projection will be separated from the cap, and the lid can be opened and opened. Can be used as usual. As described above, the cap has a structure in which the confirmation protrusion is separated from the cap and can be opened, so that the opening history can be determined by visually confirming the separation state of the confirmation protrusion. Moreover, since the confirmation projection can be separated and opened by simply pulling the knob in the circumferential direction, the opening operation is simplified.

請求項２に記載した発明によれば、キャップのキャップ本体を容器の口部に打栓後、蓋体をキャップ本体に冠着する際、小突起を帯状体と蓋体またはキャップ本体の胴部の外周面との間の隙間に挿入して、小突起の係止爪部を帯状体の係止段部に離脱不可能に係合することにより確認突起が構成され、また、蓋体をキャップ本体に冠着する際、確認突起を設けるのと同時に、小突起に設けた棒状体を、帯状体に設けた凹部に挿入することにより、摘み部が構成される。そして、この摘み部をキャップの周方向に引っ張ることにより確認突起がキャップから切離されると、蓋体を開栓可能となり、確認突起の切離状況を視認すれば、開栓履歴を判別することができる。 According to the second aspect of the present invention, when the cap body of the cap is plugged into the mouth portion of the container and then the lid body is crowned on the cap body, the small protrusion is formed into the belt-like body and the body of the cap body or the cap body. is inserted into the gap between the outer peripheral surface of the confirmation projection is configured by engaging impossible disengage the locking claw portion of the small protrusions on the locking stepped part of the strip, the cap lid member When the crown is attached to the main body, the knob is formed by inserting the rod-like body provided on the small projection into the recess provided on the belt-like body at the same time as providing the confirmation projection. When the confirmation protrusion is separated from the cap by pulling this knob in the circumferential direction of the cap, the lid can be opened, and the opening history can be determined by visually checking the separation state of the confirmation protrusion. Can do.

以下、本発明を実施するための最良の形態を図１〜図８に基いて詳細に説明する。
本発明の実施の形態に係るキャップ１は、合成樹脂製からなり、図１に示すように、容器２の口部３に装着される略円筒状のキャップ本体４と、該キャップ本体４に冠着される有底円筒状の蓋体５とから構成されている。これらキャップ本体４と蓋体５とは、ヒンジ部６を介して連結されている。 Hereinafter, the best mode for carrying out the present invention will be described in detail with reference to FIGS.
A cap 1 according to an embodiment of the present invention is made of a synthetic resin. As shown in FIG. 1, a cap body 4 having a substantially cylindrical shape that is attached to a mouth 3 of a container 2, and a crown on the cap body 4. The bottomed cylindrical lid 5 is worn. The cap body 4 and the lid body 5 are connected via a hinge portion 6.

本キャップ１は、開栓履歴を明確に判別できるようにしたタンパーエビデンス構造を採用している。
すなわち、図１〜図４に示すように、蓋体５には、その胴部７のヒンジ部６側とは反対側の位置に、蓋体５の周縁からキャップ本体４との嵌合方向に向かって突設され、且つその胴部７の外周面より外方に位置する小突起（第１突起）９と、該小突起９に連絡された棒状体２０とが設けられている。この小突起９は、その下部外壁面に係止爪部１０を有し、また、その接続部位に形成された弱化線４７によって蓋体５から容易に切離可能に設けられている。棒状体２０は小突起９と同じ方向に向き、小突起９の周方向の端部に設けられている。
一方、ヒンジ部６を中心として回動する蓋体５が嵌合されるキャップ本体４には、蓋体９の小突起９と対応する位置に、小突起９と係合する帯状体（第２突起）１６と、該帯状体１６に接続され、蓋体５の棒状体２０が挿入される筒状体（凹部）２１とが設けられている。帯状体１６の下部内壁面には、蓋体５の小突起９に設けた係止爪部１０が係止される係止段部１７が周方向に沿って設けられ、また、帯状体１６は、キャップ本体４の胴部１５の外周面との間に所定の隙間４２を設けるように位置し、その周方向の端部が胴部１５の外周面に縦弱化線４３によって容易に切断可能に接続されている。 The cap 1 employs a tamper-evidence structure that can clearly discriminate the opening history.
That is, as shown in FIGS. 1 to 4, the lid 5 has a position opposite to the hinge portion 6 side of the trunk portion 7 from the periphery of the lid body 5 in the fitting direction with the cap body 4. A small projection (first projection) 9 that protrudes toward the outside and is located outward from the outer peripheral surface of the body portion 7 and a rod-like body 20 that communicates with the small projection 9 are provided. The small protrusion 9 has a locking claw portion 10 on the lower outer wall surface thereof, and is provided so as to be easily separable from the lid body 5 by a weakening line 47 formed at the connection site. The rod-shaped body 20 faces in the same direction as the small protrusion 9 and is provided at the end of the small protrusion 9 in the circumferential direction.
On the other hand, the cap body 4 to which the lid body 5 that rotates about the hinge portion 6 is fitted is fitted to a band-like body that engages with the small protrusion 9 (second shape) at a position corresponding to the small protrusion 9 of the lid body 9. (Protrusions) 16 and a cylindrical body (concave part) 21 connected to the belt-like body 16 and into which the rod-like body 20 of the lid body 5 is inserted. The lower inner wall surface of the belt-like body 16 is provided with a locking step portion 17 for locking the locking claw portion 10 provided on the small protrusion 9 of the lid body 5 along the circumferential direction. The cap body 4 is positioned so as to provide a predetermined gap 42 between the outer peripheral surface of the body portion 15 of the cap body 4, and the circumferential end thereof can be easily cut by the longitudinal weakening line 43 on the outer peripheral surface of the body portion 15. It is connected.

なお、蓋体５に設けた小突起９及び棒状体２０と、キャップ本体４に設けた帯状体１６及び筒状体２１とは、蓋体５またはキャップ本体４のいずれかに設けても良いものである。 The small protrusion 9 and the rod-like body 20 provided on the lid 5 and the belt-like body 16 and the cylindrical body 21 provided on the cap body 4 may be provided on either the lid 5 or the cap body 4. It is.

そして、図１及び図２に示すように、キャップ本体４が容器２の口部３に打栓された後、蓋体５をキャップ本体４に冠着した際には、蓋体５に設けた小突起９がキャップ本体４に設けた帯状体１６とキャップ本体４の胴部１５の外周面との間の隙間４２に挿入されると共に、小突起９の係止爪部１０が帯状体１６の係止段部１７とを係合すれば両者９、１６は離脱不可能となり、両者９、１６によって開栓履歴確認用の確認突起１１が構成される。さらに、この確認突起１１の側方に一体的に、蓋体５に設けた棒状体２０がキャップ本体４に設けた筒状体２１に挿入されて、確認突起１１を切離するための摘み部１２が構成される。 As shown in FIGS. 1 and 2, when the cap body 4 is plugged into the mouth portion 3 of the container 2 and then the lid body 5 is crowned on the cap body 4, the cap body 4 is provided on the lid body 5. The small protrusion 9 is inserted into the gap 42 between the belt-like body 16 provided on the cap body 4 and the outer peripheral surface of the body portion 15 of the cap body 4, and the locking claw portion 10 of the small protrusion 9 is formed on the belt-like body 16. When the engaging step 17 is engaged, both 9 and 16 cannot be detached, and the confirmation protrusion 11 for confirming the opening history is constituted by both 9 and 16. Further, a knob portion for separating the confirmation protrusion 11 by inserting the rod-shaped body 20 provided on the lid 5 into the cylindrical body 21 provided on the cap body 4 integrally with the side of the confirmation protrusion 11. 12 is configured.

本キャップ１をさらに詳しく説明する。まず、キャップ本体４を図１〜図６及び図８に基いて詳しく説明する。
キャップ本体４には、図２〜図４に示すように、その円筒状の胴部１５の内方に、内容物の注出路２２を形成する円筒状の注出筒部２３が胴部１５と同心円状に形成されており、この注出筒部２３の外周面と胴部１５の内周面との間には環状空間２５が形成される。また、胴部１５の下部内周面及び注出筒部２３の下部外周面には、周方向に延びる係合突条２６、２７がそれぞれ一条形成されている。これら胴部１５と注出筒部２３とは、それぞれの上端が上壁部３０で接続されている。 The cap 1 will be described in more detail. First, the cap body 4 will be described in detail with reference to FIGS. 1 to 6 and 8.
As shown in FIGS. 2 to 4, the cap main body 4 has a cylindrical extraction cylinder portion 23 that forms a content extraction passage 22 inside the cylindrical barrel portion 15. An annular space 25 is formed between the outer peripheral surface of the extraction tube portion 23 and the inner peripheral surface of the body portion 15. Further, on the inner peripheral surface of the lower portion of the body portion 15 and the outer peripheral surface of the lower portion of the dispensing tube portion 23, a single engaging protrusion 26, 27 extending in the circumferential direction is formed. The upper end of each of the body portion 15 and the extraction tube portion 23 is connected by the upper wall portion 30.

また、キャップ本体４の上壁部３０を境にした上側には、胴部１５から連続する円筒状の係合筒部３１が突設されている。この係合筒部３１の内周径と胴部１５の内周径とは略同一に形成されて、係合筒部３１は胴部１５より薄厚に形成されている。また、この係合筒部３１の外周面には、周方向に延びる係合突条３２が一条形成されている。
さらに、係合筒部３１の内方には、注出筒部２３から上方に連続して、内容物の注出方向を案内する円筒状の案内筒部３３が係合筒部３１と同心円状で突設されている。この案内筒部３３の下端内周径と注出筒部２３の内周径とが略同一に形成されている。また、この案内筒部３３には、その下端の円形の注出口を塞ぐ閉塞板部３５が環状溝部３６を介して一体に形成されている。この閉塞板部３５には、環状溝部３６に沿って切断して、注出路２２を開放するためのリング状の把持部３７が一体に形成されている。 In addition, a cylindrical engagement tube portion 31 that continues from the body portion 15 protrudes from the upper side of the upper wall portion 30 of the cap body 4. The inner peripheral diameter of the engaging cylinder part 31 and the inner peripheral diameter of the body part 15 are formed substantially the same, and the engaging cylinder part 31 is formed thinner than the body part 15. Further, a single engagement protrusion 32 extending in the circumferential direction is formed on the outer peripheral surface of the engagement cylinder portion 31.
Further, a cylindrical guide cylinder portion 33 that guides the content extraction direction continuously from the extraction cylinder portion 23 to the inside of the engagement cylinder portion 31 is concentric with the engagement cylinder portion 31. It is projecting at. The inner diameter of the lower end of the guide cylinder 33 and the inner diameter of the extraction cylinder 23 are formed substantially the same. The guide tube portion 33 is integrally formed with a closing plate portion 35 that closes the circular spout at the lower end of the guide tube portion 33 via an annular groove portion 36. The closing plate portion 35 is integrally formed with a ring-shaped gripping portion 37 for cutting along the annular groove portion 36 to open the pouring path 22.

さらに、キャップ本体４の胴部１５で、ヒンジ部６側とは反対側の外周面には、周方向の所定範囲において、その上端周縁から高さ方向の所定範囲に凹部４０が形成されている。この凹部４０は、下方にいくに従ってその深さが浅くなるように形成されている。また、この凹部４０の周方向略中央部位には、上面視半円状の突起部４１、４１が隣接する２箇所に形成されている。これら突起部４１、４１は、図３からよく解るように、凹部４０内で胴部１５の約半分の高さの位置から凹部４０の下端まで延設され、その頂点部分が胴部１５の外周面と同じ付近となるように突設される。
この凹部４０の全体を覆うように、帯状体（第２突起）１６が胴部１５の外周面と所定の隙間４２を設けるように突設されている。この帯状体１６の他端は、キャップ本体４の胴部１５の外周面と縦弱化線４３を介して容易に切断可能に接続されている。一方、帯状体１６の一端側には、帯状体１６側の一部の周範囲（後述する接続片５２を挿入できる程度の範囲）を、上端から所定の高さで開放５５された筒状体（凹部）２１が配置されており、帯状体１６の一端が、開放された筒状体２１の一方の周壁に連続して接続されている。 Further, a concave portion 40 is formed in a predetermined range in the height direction from the peripheral edge of the upper end in a predetermined range in the circumferential direction on the outer peripheral surface of the body portion 15 of the cap body 4 opposite to the hinge portion 6 side. . The recess 40 is formed so that its depth becomes shallower as it goes downward. Further, at the substantially central portion in the circumferential direction of the concave portion 40, there are formed two protruding portions 41, 41 having a semicircular shape in a top view, adjacent to each other. As is well understood from FIG. 3, these protrusions 41, 41 are extended from a position about half the height of the body part 15 to the lower end of the recessed part 40 in the recessed part 40, and the apex part is the outer periphery of the body part 15. Protruding to be in the same vicinity as the surface.
A band-like body (second protrusion) 16 is provided so as to cover the entire concave portion 40 so as to provide a predetermined gap 42 with the outer peripheral surface of the body portion 15. The other end of the strip 16 is connected to the outer peripheral surface of the body portion 15 of the cap body 4 via the longitudinal weakening line 43 so as to be easily cut. On the other hand, on one end side of the belt-like body 16, a cylindrical body in which a part of the circumferential range on the belt-like body 16 side (a range in which a connection piece 52 described later can be inserted) is opened 55 at a predetermined height from the upper end. A (concave portion) 21 is disposed, and one end of the belt-like body 16 is continuously connected to one peripheral wall of the opened tubular body 21.

筒状体２１は、図２〜図５に示すように、略円筒状に形成されており、帯状体１６側の一部の周範囲を、上端から所定の高さで開放５５されている。また、筒状体２１は、図６に示すように、帯状体１６の高さと略同じ高さを有しており、図５に示すように、上から順に小径開口部２１ａ及び大径開口部２１ｂがそれぞれ形成されている。この小径開口部２１ａは、後述する棒状体２０の軸部２０ａが挿入可能な内径に形成されている。また、この筒状体２１には、図２、図４及び図５に示すように、その上端部でキャップ本体４の胴部１５側に面する所定の範囲からキャップ本体４側に向かって、容易に切断可能な上側薄膜部４５が延設されて、キャップ本体４の胴部１５の外周面に接続されている。また、図４及び図８に示すように、筒状体２１の外周面のキャップ本体４の胴部１５側に面する一部分がその全高に亘って容易に切断可能な薄膜部４６によって、キャップ本体４の胴部１５の外周面に接続されている。
そして、このように構成されたキャップ本体４は、図１に示すように、その胴部１５と注出筒部２３との間に設けられた環状空間２５を、容器２の口部３に嵌合させれば、キャップ本体４の胴部１５及び注出筒部２３にそれぞれ設けた係合突条２６、２７が、容器２の口部３の頚部を挟み込むように押圧して、キャップ本体４が容器２の口部３に緊密に嵌合される。 The cylindrical body 21 is formed in a substantially cylindrical shape as shown in FIGS. 2 to 5, and a part of the circumferential range on the belt-like body 16 side is opened 55 at a predetermined height from the upper end. Moreover, as shown in FIG. 6, the cylindrical body 21 has substantially the same height as that of the band-shaped body 16, and as shown in FIG. 5, the small-diameter opening 21a and the large-diameter opening are sequentially formed from the top. 21b is formed. The small-diameter opening 21a is formed to have an inner diameter into which a shaft 20a of a rod-like body 20 described later can be inserted. In addition, as shown in FIGS. 2, 4, and 5, the cylindrical body 21 has a top end that faces the body 15 side of the cap body 4 toward a cap body 4 side from a predetermined range. An upper thin film portion 45 that can be easily cut is extended and connected to the outer peripheral surface of the body portion 15 of the cap body 4. Further, as shown in FIGS. 4 and 8, a cap body is provided by a thin film portion 46 that can be easily cut over the entire height of a portion of the outer peripheral surface of the cylindrical body 21 facing the body portion 15 side of the cap body 4. 4 is connected to the outer peripheral surface of the body portion 15.
Then, the cap body 4 configured in this manner is fitted with the annular space 25 provided between the barrel portion 15 and the extraction tube portion 23 in the mouth portion 3 of the container 2 as shown in FIG. If they are combined, the engaging protrusions 26 and 27 provided respectively on the trunk portion 15 and the extraction tube portion 23 of the cap body 4 press the neck portion of the mouth 3 of the container 2 so as to sandwich the cap body 4. Is tightly fitted to the mouth 3 of the container 2.

次に、蓋体５を図１〜図４及び図７に基いて詳しく説明する。
蓋体５は、図１〜図４に示すように、有底円筒状に形成されると共に、円筒状の胴部７の下端内周面に係合突条５０が一条形成されている。また、蓋体５の胴部７の内方には、円筒状の密閉筒部５１が胴部７と同心円状に形成されている。なお、密閉筒部５１は胴部７よりも若干高さが低く形成されている。
また、図２及び図３に示すように、蓋体５の胴部７で、ヒンジ部６側とは反対側の外周面の下端部には、所定の周長を有する指掛け片８が外方に向かって突設されている。この指掛け片８の外周面は、胴部７と同心円状の円弧面を呈している。この指掛け片８の下面には、胴部７と同心円状でキャップ本体４の胴部１５に沿うように湾曲された小突起（第１突起）９が下方に向けて弱化線４７を介して容易に切断可能に垂設されている。この小突起９の周長は、指掛け片８の周長よりも若干短く形成されている。また、小突起９の下部外周面には、外方に突設される係止爪部１０が全周長に亘って形成されている。
さらに、図２及び図７に示すように、小突起９の一端側、すなわち、キャップ本体４の帯状体１６の一端に接続された筒状体２１と対応する側に棒状体２０が設けられている。この棒状体２０は、略円板状の頭部２０ａと、頭部２０ａから下方に連設された軸部２０ｂとから構成されている。棒状体２０の軸部２０ｂは、筒状体２１の小径開口部２１ａ（図５参照）に挿入可能な外径に形成されている。また、棒状体２０の頭部２０ａの外径は、筒状体２１の外径と略同一に形成されている。そして、小突起９の一端に接続された接続片５２に棒状体２０の軸部２０ｂが接続されている。 Next, the lid 5 will be described in detail with reference to FIGS. 1 to 4 and 7.
As shown in FIGS. 1 to 4, the lid body 5 is formed in a bottomed cylindrical shape, and a single engagement protrusion 50 is formed on the inner peripheral surface of the lower end of the cylindrical body portion 7. Further, a cylindrical sealed tube portion 51 is formed concentrically with the body portion 7 inside the body portion 7 of the lid 5. The sealed cylinder part 51 is formed to be slightly lower in height than the body part 7.
Further, as shown in FIGS. 2 and 3, a finger-hanging piece 8 having a predetermined peripheral length is outwardly provided at the lower end portion of the outer peripheral surface of the body portion 7 of the lid 5 opposite to the hinge portion 6 side. It protrudes toward. The outer peripheral surface of the finger-hanging piece 8 has a circular arc surface concentric with the trunk portion 7. A small protrusion (first protrusion) 9 that is concentric with the body 7 and curved along the body 15 of the cap body 4 is formed on the lower surface of the finger-hanging piece 8 through a weakening line 47. It is suspended so that it can be cut. The peripheral length of the small protrusion 9 is slightly shorter than the peripheral length of the finger-hanging piece 8. Further, a locking claw portion 10 protruding outward is formed on the lower outer peripheral surface of the small protrusion 9 over the entire circumference.
Further, as shown in FIGS. 2 and 7, a rod-like body 20 is provided on one end side of the small protrusion 9, that is, on the side corresponding to the cylindrical body 21 connected to one end of the strip-like body 16 of the cap body 4. Yes. This rod-shaped body 20 is composed of a substantially disk-shaped head portion 20a and a shaft portion 20b that is continuously provided downward from the head portion 20a. The shaft portion 20b of the rod-shaped body 20 is formed to have an outer diameter that can be inserted into the small-diameter opening 21a (see FIG. 5) of the tubular body 21. Further, the outer diameter of the head 20 a of the rod-shaped body 20 is formed substantially the same as the outer diameter of the cylindrical body 21. The shaft portion 20 b of the rod-shaped body 20 is connected to the connection piece 52 connected to one end of the small protrusion 9.

そして、図１に示すように、キャップ本体４が容器２の口部３に打栓された後、蓋体５をキャップ本体４に冠着すると、図１に示すように、蓋体５の胴部７の内周面に設けた係合突条５０が、キャップ本体４の係合筒部３１の外周面に設けた係合突条３２を乗り越えて係合すると共に、蓋体５の密閉筒部５１の下端外周面がキャップ本体４の案内筒部３３の上端内周面に密着される。
また、図２及び図５も参照して、蓋体５の指掛け片８の下面から垂設させた小突起９がキャップ本体４の帯状体１６とキャップ本体４の胴部１５の外周面との間の隙間４２に挿入されると共に、小突起９の係止爪部１０が帯状体１６の係止段部１７に離脱不可能に係合されて、開栓履歴確認用の確認突起１１が構成される。さらに、蓋体５に設けた棒状体２０の軸部２０ｂと小突起９とを接続する接続片５２が、キャップ本体４に設けた筒状体２１の開放部分５５に挿入されると共に、蓋体５に設けた棒状体２０の軸部２０ｂが、キャップ本体４に設けた筒状体２１の小径開口部２１ａ及び大径開口部２１ｂに挿入されて、確認突起１１を切離するための摘み部１２が構成される。なお、図１のキャップ本体４に蓋体５が冠着された状態では、帯状体１６の外周面と、指掛け片８の外周面とが上面視で略重なるようになる。 As shown in FIG. 1, when the cap body 4 is plugged into the mouth 3 of the container 2 and then the lid body 5 is attached to the cap body 4, the body of the lid body 5 as shown in FIG. 1. The engaging protrusion 50 provided on the inner peripheral surface of the portion 7 gets over the engaging protrusion 32 provided on the outer peripheral surface of the engaging cylinder portion 31 of the cap body 4 and engages with it. The outer peripheral surface at the lower end of the portion 51 is in close contact with the inner peripheral surface at the upper end of the guide tube portion 33 of the cap body 4.
2 and 5, a small protrusion 9 suspended from the lower surface of the finger-hanging piece 8 of the lid 5 is formed between the belt-like body 16 of the cap body 4 and the outer peripheral surface of the trunk portion 15 of the cap body 4. In addition to being inserted into the gap 42 between them, the locking claw portion 10 of the small protrusion 9 is engaged with the locking step portion 17 of the strip 16 so as not to be detached, and the confirmation protrusion 11 for confirming the opening history is configured. Is done. Further, a connection piece 52 that connects the shaft portion 20b of the rod-shaped body 20 provided on the lid 5 and the small protrusion 9 is inserted into the open portion 55 of the cylindrical body 21 provided on the cap body 4, and the lid 5 is a knob that is inserted into the small-diameter opening 21a and the large-diameter opening 21b of the cylindrical body 21 provided in the cap body 4 so that the confirmation protrusion 11 is separated. 12 is configured. In the state where the cap body 4 is attached to the cap main body 4 in FIG. 1, the outer peripheral surface of the band-shaped body 16 and the outer peripheral surface of the finger-hanging piece 8 substantially overlap each other when viewed from above.

このようにして構成されたキャップ１を最初に開栓する際には、まず、使用者は摘み部１２を指で摘み、外方で周方向に引っ張るようにして、確認突起１１をキャップ１から切離する。
すなわち、摘み部１２を外方で引っ張ると、まず、上側薄膜部４５及び薄膜部４６が切断されることにより摘み部１２がキャップ本体４から切離され、続いて、摘み部１２を構成する棒状体２０が引っ張られることにより小突起９が指掛け片８の下面から弱化線４７に沿って切断されると共に、摘み部１２を構成する筒状体２１が引っ張られることにより帯状体１６の他端がキャップ本体４の外周面から縦弱化線４３に沿って切断されて、確認突起１１を構成している小突起９及び帯状体１６が、蓋体５及びキャップ本体４から同時に切離される。
そして、確認突起１１が全て切離されたため、指掛け片８の下方には、キャップ本体４胴部１５に設けた凹部４０が現出されて大きな空間が形成されるので、指掛け片８の下面に指を掛けることができ、蓋体５を開き開栓することが可能となる。 When the cap 1 thus configured is first opened, the user first picks the knob portion 12 with a finger and pulls it outward in the circumferential direction so that the confirmation protrusion 11 is removed from the cap 1. Disconnect.
That is, when the knob portion 12 is pulled outward, the knob portion 12 is first separated from the cap body 4 by cutting the upper thin film portion 45 and the thin film portion 46, and subsequently, the rod-shaped portion constituting the knob portion 12. When the body 20 is pulled, the small protrusion 9 is cut from the lower surface of the finger-hanging piece 8 along the weakening line 47, and when the tubular body 21 constituting the knob portion 12 is pulled, the other end of the band-shaped body 16 is moved. The small projections 9 and the strips 16 constituting the confirmation projections 11 are cut from the outer peripheral surface of the cap body 4 along the longitudinal weakening line 43 and are simultaneously separated from the lid body 5 and the cap body 4.
Since all of the confirmation protrusions 11 are separated, the concave portion 40 provided in the cap body 4 trunk portion 15 appears below the finger hanging piece 8 so that a large space is formed. A finger can be hung and the lid 5 can be opened and opened.

以上説明したように、本発明の実施の形態に係るキャップ１では、キャップ本体４が容器２の口部３に打栓された後、蓋体５をキャップ本体４に冠着する際、蓋体５に設けた小突起９がキャップ本体４に設けた帯状体１６とキャップ本体４の胴部１５の外周面との間の隙間４２に挿入されると共に、小突起９の係止爪部１０が帯状体１６の係止段部１７に離脱不可能に係合されて、開栓履歴確認用の確認突起１１が構成される。さらに、この確認突起１１の側方には、蓋体５に設けた棒状体２０がキャップ本体４に設けた筒状体２１に挿入されて、確認突起１１を切離するための摘み部１２が構成される。 As described above, in the cap 1 according to the embodiment of the present invention, when the cap body 4 is plugged into the mouth portion 3 of the container 2 and then the lid body 5 is crowned on the cap body 4, the lid body. 5 is inserted into the gap 42 between the belt-like body 16 provided on the cap body 4 and the outer peripheral surface of the body portion 15 of the cap body 4, and the locking claw portion 10 of the small protrusion 9 is A confirmation projection 11 for confirming the opening history is configured to be engaged with the locking step portion 17 of the strip 16 so as not to be detached. Further, on the side of the confirmation protrusion 11, a rod-like body 20 provided on the lid body 5 is inserted into a cylindrical body 21 provided on the cap body 4, and a knob portion 12 for separating the confirmation protrusion 11 is provided. Composed.

そして、キャップ１を最初に開栓する際には、使用者は摘み部１２を指で摘み、外方で周方向に引っ張るようにする。すると、確認突起１１を構成している小突起９及び帯状体１６が、キャップ本体４及び蓋体５から容易に切離されることで、蓋体５を開き開栓することができ、通常の使用が可能となる。また、この確認突起１１の有無を視認することにより、開栓履歴を判別することができる。このように、最初に開栓する際には、摘み部１２を周方向に引っ張るだけの操作で確認突起１１を切離して、蓋体５を開き開栓することができるので、その開栓操作が非常に簡単なものとなる。
また、確認突起１１は、指掛け片８の下方に配されるので、確認突起１１をキャップ１から切離しなければ、蓋体５の指掛け片８に指が掛けられず蓋体５を開くことができないので、使用者はその開栓手順が明確となる。
さらに、キャップ本体４に蓋体５が冠着された状態では、帯状体１６の外周面と、指掛け片８の外周面とが上面視で重なるので、確認突起１１がキャップ１の外周面から突設されていても外観上の違和感がない。 And when opening the cap 1 for the first time, a user picks the knob | pick part 12 with a finger | toe and pulls it in the circumferential direction outward. Then, the small protrusion 9 and the band-shaped body 16 constituting the confirmation protrusion 11 can be easily separated from the cap body 4 and the lid body 5, so that the lid body 5 can be opened and opened. Is possible. Further, by visually confirming the presence or absence of the confirmation protrusion 11, it is possible to determine the opening history. As described above, when the plug is opened for the first time, the confirmation protrusion 11 can be separated and the lid 5 can be opened by simply pulling the knob 12 in the circumferential direction. It will be very simple.
Further, since the confirmation protrusion 11 is arranged below the finger-hanging piece 8, unless the confirmation protrusion 11 is separated from the cap 1, a finger cannot be hung on the finger-hanging piece 8 of the lid 5 and the lid 5 cannot be opened. Therefore, the user becomes clear about the opening procedure.
Further, in the state where the cap body 4 is attached to the cap body 4, the outer peripheral surface of the band-shaped body 16 and the outer peripheral surface of the finger-hanging piece 8 overlap each other when viewed from above, so that the confirmation protrusion 11 protrudes from the outer peripheral surface of the cap 1. Even if it is installed, there is no discomfort in appearance.

なお、本発明の実施の形態のキャップ１では、指掛け片８の下方に確認突起１１を配置しているが、指掛け片８の下方に限らず、周方向のどの位置に配置してもよい。
また、本発明の実施の形態のキャップ１は、小突起９に係止爪部１０を、帯状体１６に係止段部１７をそれぞれ設けて、小突起９と帯状体１６とをそれぞれの係合爪部１０と係合段部１７とを係合させることにより離脱不可能にしているが、小突起９及び帯状体１６に係止爪部１０及び係止段部１７を設けず、小突起９と帯状体１６とを接着剤によって接合しても良いし、溶融接着によって接合しても良い。 In the cap 1 according to the embodiment of the present invention, the confirmation protrusion 11 is arranged below the finger-hanging piece 8, but it is not limited to the position below the finger-hanging piece 8 and may be arranged at any position in the circumferential direction.
Further, the cap 1 according to the embodiment of the present invention is provided with the locking claw portion 10 on the small protrusion 9 and the locking step portion 17 on the belt-like body 16, respectively, and the small protrusion 9 and the belt-like body 16 are respectively engaged. The engaging claw portion 10 and the engaging step portion 17 are engaged to make it impossible to detach, but the small protrusion 9 and the belt-like body 16 are not provided with the engaging claw portion 10 and the engaging step portion 17, and the small protrusion 9 and the belt-like body 16 may be joined by an adhesive, or may be joined by melt adhesion.

図１は、本発明の実施の形態に係るキャップが容器の口部に嵌合された断面図である。FIG. 1 is a cross-sectional view in which a cap according to an embodiment of the present invention is fitted into a mouth portion of a container. 図２は、本発明の実施の形態に係るキャップにおいて、蓋体がキャップ本体から開いた状態の平面図である。FIG. 2 is a plan view of the cap according to the embodiment of the present invention with the lid body opened from the cap body. 図３は、図２のＡ−Ａ線に沿う断面図である。3 is a cross-sectional view taken along line AA in FIG. 図４は、図２の状態の下面図である。FIG. 4 is a bottom view of the state of FIG. 図５は、図２のＢ−Ｂ線に沿う断面図である。FIG. 5 is a cross-sectional view taken along line BB in FIG. 図６は、図２の状態で、キャップ本体を帯状体側から見た側面図である。FIG. 6 is a side view of the cap body viewed from the band-like body in the state of FIG. 図７は、図２の状態で、蓋体を指掛け片側から見た側面図である。FIG. 7 is a side view of the lid as viewed from one side of the finger in the state of FIG. 図８は、図２のＣ−Ｃ線に沿う断面図である。FIG. 8 is a cross-sectional view taken along the line CC of FIG.

Explanation of symbols

１キャップ，２容器，３口部，４キャップ本体，５蓋体，７胴部，８指掛け片，９小突起（第１突起），１０係止爪部，１１確認突起，１２摘み部，１５胴部，１６帯状体（第２突起），１７係止段部，２０棒状体，２１筒状体（凹部），４２隙間
DESCRIPTION OF SYMBOLS 1 Cap, 2 Container, 3 Mouth part, 4 Cap main body, 5 Lid body, 7 Body part, 8 Finger hook piece, 9 Small protrusion (1st protrusion), 10 Locking claw part, 11 Confirmation protrusion, 12 Pick part, 15 Body, 16 Band-shaped body (second protrusion), 17 Locking step, 20 Bar-shaped body, 21 Tubular body (concave), 42 Gap

Claims

A cap composed of a substantially cylindrical cap body mounted on the mouth of the container, and a bottomed cylindrical lid body that is attached to the cap body,
One of the lid and the cap body is provided with a first protrusion that can be easily separated, and the other is provided with a second protrusion that can be easily separated, so that the lid is attached to the cap body. in capped state, the first and the second protrusion and withdrawal impossible engaged or by joining the protrusion, thereby constituting as a confirmation projection for confirmation unplugging history, the cap body and cover the confirmation projection provided integrally with the knob portion to that disconnected from the body to the side of the check projections,
The knob is provided with a rod-like body on one end side of the first protrusion, and a recess is provided on one end side of the second protrusion. A tamper-evidence structure for a cap, wherein a body is inserted into the recess .

A cap composed of a substantially cylindrical cap body mounted on the mouth of the container, and a bottomed cylindrical lid body that is attached to the cap body,
The first protrusion provided on either the lid body or the cap body is a small protrusion that extends from the body of the lid body or the cap body and can be easily separated from the body, The second protrusion provided on the other side is protruded so as to provide a gap that allows the small protrusion to be inserted between the outer surface of the body of the lid or the cap body, and can be easily separated from the body. A locking step in which a locking claw portion is formed on the outer wall surface of the small protrusion and the locking claw portion of the small protrusion is locked on the inner wall surface of the band-shaped body. In the state where the cover is attached to the cap body, the small projection is inserted into the gap between the belt-like body and the outer peripheral surface of the body of the cap body or the lid, The locking claw portion of the small protrusion is engaged with the locking step portion of the belt-like body so as not to be detached, and is opened. Confirmation projection of history for confirmation is configured,
A knob for separating the confirmation protrusion from the cap main body and the lid is integrally provided on the side of the confirmation protrusion, the knob is provided with a rod-like body on one end side of the small protrusion, and the band-like body. A tamper-evidence structure for a cap , wherein a recess is provided on one end of the cap, and the rod-shaped body is inserted into the recess in a state where the lid is attached to the cap body .