JP2007204074A - Hinge cap - Google Patents

Hinge cap Download PDF

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Publication number
JP2007204074A
JP2007204074A JP2006022729A JP2006022729A JP2007204074A JP 2007204074 A JP2007204074 A JP 2007204074A JP 2006022729 A JP2006022729 A JP 2006022729A JP 2006022729 A JP2006022729 A JP 2006022729A JP 2007204074 A JP2007204074 A JP 2007204074A
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Japan
Prior art keywords
lid
cap
engaging
engagement
cylinder
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JP2006022729A
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JP4790434B2 (en
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Shigeru Hayakawa
早川　　茂
Nobuo Yamanaka
伸夫 山中
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Yoshino Kogyosho Co Ltd
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Yoshino Kogyosho Co Ltd
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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
    • B65D47/00—Closures with filling and discharging, or with discharging, devices
    • B65D47/04—Closures with discharging devices other than pumps
    • B65D47/06—Closures with discharging devices other than pumps with pouring spouts or tubes; with discharge nozzles or passages
    • B65D47/12—Closures with discharging devices other than pumps with pouring spouts or tubes; with discharge nozzles or passages having removable closures
    • B65D47/127—Snap-on caps
    • B65D47/128—Snap-on caps with internal parts
    • 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
    • B65D47/00—Closures with filling and discharging, or with discharging, devices
    • B65D47/04—Closures with discharging devices other than pumps
    • B65D47/06—Closures with discharging devices other than pumps with pouring spouts or tubes; with discharge nozzles or passages
    • B65D47/10—Closures with discharging devices other than pumps with pouring spouts or tubes; with discharge nozzles or passages having frangible closures
    • B65D47/103—Membranes with a tearing element

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

Abstract

<P>PROBLEM TO BE SOLVED: To provide a hinge cap capable of suppressing an increase in the pressure of air in the cap caused by heating, preventing an upper lid of the hinge cap from being opened by the increase in the pressure, and presenting hot water from breaking into the cap when taking a hot water shower. <P>SOLUTION: In the hinge cap attached to a mouth portion of a container and consisting of a cap body and an upper lid, the cap body is equipped with a spouting cylinder, and an engagement cylindrical part to be attached to the mouth portion of the container. An intermittent rib having a plurality of intermittent parts of the predetermined distances in the peripheral direction is arranged on an inner periphery of the spouting cylinder. A lid engagement part having a lid engaging face formed on an upper face and having a swollen portion on an upper outer periphery is protruded on an upper portion of the engagement cylindrical part. The upper lid is equipped with a top wall, an outer cylindrical wall, and an inner cylindrical wall provided on the undersurface of the top wall in a hanging manner and engaged with an inner periphery of the spouting cylinder of the cap body. An engagement part comprising an engagement face which is abutted on a lid engagement face of the cap body when the lid is closed and an engagement projecting part to be engaged with a lower peripheral face of the swollen part of the lid engagement part is provided on an inner periphery of a lower end of an outer cylindrical wall. <P>COPYRIGHT: (C)2007,JPO&INPIT

Description

本発明は、ヒンジキャップ、とくに容器内に充填した加熱殺菌された内容液によりキャップの上蓋内の空気が加熱され、内圧が上昇してキャップの上蓋が開蓋することを防止したヒンジキャップに関するものである。   The present invention relates to a hinge cap, and in particular to a hinge cap that prevents the air inside the upper lid of the cap from being heated and sterilized by filling the container to prevent the internal pressure from rising and opening the upper lid of the cap. It is.

殺菌のため加熱された内容液を充填するヒンジキャップにおいて、内容液充填後、ヒンジキャップを打栓した後、容器内部を殺菌し、次いで容器外部より温水シャワーで洗浄、冷却することは従来より行われている。   For hinge caps filled with heated content liquid for sterilization, after filling the content liquid, the hinge cap is plugged, the inside of the container is sterilized, and then washed and cooled with a hot water shower from the outside of the container. It has been broken.

また、キャップ打栓後に、内容液の熱によりキャップ内の空気の内圧が上昇するためキャップの上蓋が開蓋することを防止するために、キャップ内の内圧が上昇すると、上蓋とキャップ本体の間に空気の流通路を形成し、キャップ内の空気を容器外に逃がし、キャップの上蓋内の内圧上昇を防止するようにしたキャップも従来より知られている（例えば、特許文献１参照）。
特開２０００−２７２６４８号公報 In addition, after the cap is plugged, the internal pressure of the air in the cap rises due to the heat of the content liquid, so that the top lid of the cap is not opened. An air flow passage is formed in the cap so that the air in the cap escapes to the outside of the container to prevent an increase in internal pressure in the upper lid of the cap (see, for example, Patent Document 1).
JP 2000-272648 A

しかしながら、上記特許文献１記載のヒンジキャップでは、キャップ内の空気圧により空気の流通路を形成、または閉鎖しているので、キャップ内の空気圧が高く、空気の流通路が形成されているときに、容器外から温水シャワーで冷却すると、キャップ内の空気圧が低下し、空気の流通路が閉鎖される前に空気と一緒に温水までキャップ内に吸い込むという問題があった。   However, in the hinge cap described in Patent Document 1, since the air flow path is formed or closed by the air pressure in the cap, when the air pressure in the cap is high and the air flow path is formed, When cooling with a hot water shower from the outside of the container, the air pressure in the cap decreases, and there is a problem that the hot water is sucked into the cap together with the air before the air passage is closed.

また、加熱により、キャップ内の空気圧が急激に上昇した場合、空気圧が上蓋（２０）の側壁部（２２）を押圧して外方に変形させ、側壁部（２２）と中蓋（２）の係合凹部（９）との係合が外れ、上蓋（２０）が開蓋することもあった。   In addition, when the air pressure in the cap suddenly increases due to heating, the air pressure presses the side wall portion (22) of the upper lid (20) to deform outward, and the side wall portion (22) and the inner lid (2) In some cases, the engagement with the engaging recess (9) was released, and the upper lid (20) was opened.

本発明は、上記問題を解決することを課題とし、加熱によるキャップ内の空気の圧力上昇を抑制し、ヒンジキャップの上蓋が圧力上昇によって開蓋することがなく、また、温水シャワー時に温水がキャップ内に侵入することを防止できるヒンジキャップを提供することを目的とする。   It is an object of the present invention to solve the above-described problem, suppresses an increase in the pressure of air in the cap due to heating, prevents the upper cover of the hinge cap from being opened due to an increase in pressure, and allows hot water to cap during hot water showering. An object of the present invention is to provide a hinge cap capable of preventing intrusion.

本発明は、上記の課題を解決するため、ヒンジキャップとして、容器の口筒部に取着され、キャップ本体と上蓋からなるヒンジキャップにおいて、キャップ本体は、注出筒と、容器口筒部に嵌着される係合筒部とを具え、注出筒の内周には、周方向に所定の距離の間欠部を複数形成した間欠リブが配設され、係合筒部の上部には、上面に蓋係合面を形成し、上部外周に膨出部を設けた蓋係合部が突設されており、上蓋は、頂壁と外筒壁と、頂壁下面に垂設され、キャップ本体の注出筒の内周に係合する内筒壁とを具え、外筒壁下端内周には、閉蓋時に、キャップ本体の蓋係合面に当接する係合面と、蓋係合部の膨出部の下方周面と係合する係合突部を設けた係合部が形成されていることを特徴とする構成を採用する。   In order to solve the above-described problems, the present invention provides a hinge cap that is attached to a mouth tube portion of a container as a hinge cap, and includes a cap body and an upper lid. The cap body includes a dispensing tube and a container mouth tube portion. And an intermittent rib formed with a plurality of intermittent portions of a predetermined distance in the circumferential direction is provided on the inner periphery of the dispensing cylinder, A lid engaging surface is formed on the upper surface and a bulging portion is provided on the outer periphery of the upper portion. The upper lid is suspended from the top wall, the outer cylindrical wall, and the lower surface of the top wall. An inner cylinder wall that engages with the inner periphery of the dispensing cylinder of the main body, and an engagement surface that contacts the lid engagement surface of the cap body when the lid is closed, The structure characterized by the engaging part provided with the engaging protrusion which engages with the lower peripheral surface of the bulging part of a part is employ | adopted.

内筒壁の一実施例として、上蓋の内筒壁外周下端部に、キャップ本体の注出筒内周に摺接する膨出環が周設されていることを特徴とする構成を採用する。
また、キャップ本体と上蓋の外周壁との実施例として、係合筒部上部の蓋係合面が、外方に傾斜する傾斜面となっており、上蓋外筒壁の係合面が、蓋係合面と接合する傾斜面となっていることを特徴とする構成を採用する。 As an embodiment of the inner cylinder wall, a configuration is adopted in which a bulging ring is provided around the inner cylinder wall outer peripheral lower end portion of the upper cover so as to be in sliding contact with the inner periphery of the extraction cylinder of the cap body.
Further, as an example of the cap body and the outer peripheral wall of the upper lid, the lid engaging surface of the upper portion of the engaging cylinder portion is an inclined surface inclined outward, and the engaging surface of the upper lid outer cylindrical wall is the lid. A configuration characterized by an inclined surface joined to the engaging surface is adopted.

本発明の容器は、容器の口筒部に取着され、注出筒と容器口筒部に嵌着される係合筒部とを具えたキャップ本体と、内筒壁と外筒壁とを具えた上蓋とからなるヒンジキャップにおいて、注出筒の内周に、周方向に所定の距離の間欠部を複数形成した間欠リブ配設し、係合筒部の上部に蓋係合傾斜面を形成した蓋係合部を突設し、上蓋の外筒壁下端内周に上傾斜内面を設けた係合部を具えている。
そのことにより、加熱された内容液を充填した容器本体の口筒部にヒンジキャップを打栓した時の上方からの押圧により、上蓋の内筒壁内方から内筒壁外方へ、および内筒壁外方から容器外部への空気の流通路を形成して空気を容器外に排出し、打栓終了時に、空気の流通路を速やかに閉鎖することができる。 A container of the present invention is attached to a mouth tube portion of a container, and includes a cap body having an extraction tube and an engagement tube portion fitted to the container mouth tube portion, and an inner tube wall and an outer tube wall. In the hinge cap comprising the provided upper lid, intermittent ribs having a plurality of intermittent portions with a predetermined distance in the circumferential direction are arranged on the inner periphery of the dispensing cylinder, and a lid engaging inclined surface is formed on the upper part of the engaging cylinder portion. The formed lid engaging portion is provided with an engaging portion provided with an upper inclined inner surface on the inner periphery of the lower end of the outer cylinder wall of the upper lid.
As a result, when the hinge cap is struck into the mouth tube portion of the container body filled with the heated content liquid, the inner tube wall from the inner side of the upper lid to the outside of the inner tube wall and the An air flow path from the outside of the cylinder wall to the outside of the container is formed to discharge the air to the outside of the container, and the air flow path can be quickly closed at the end of the stoppering.

容器内の空気を排出し、速やかに空気の流路を閉鎖することで、ヒンジキャップ内を僅かに負圧にし、加熱によりキャップ内の空気が圧力上昇しても、上蓋が開蓋するまでの圧力上昇が行われず、上蓋が開蓋することを防止できる。   By exhausting the air in the container and quickly closing the air flow path, the inside of the hinge cap is made slightly negative pressure, and even if the air in the cap rises in pressure due to heating, the upper lid opens. It is possible to prevent the upper lid from being opened without increasing the pressure.

次に、本発明のヒンジキャップについて、実施例をあげ、図面を参照して説明する。   Next, examples of the hinge cap of the present invention will be described with reference to the drawings.

図１において、Ａは容器本体に打栓されるキャップ本体、Ｂはキャップ本体ＡにヒンジＣを介して一体成形された上蓋である。
容器本体の口筒部１外周には、係合突条２が設けられている。 In FIG. 1, A is a cap body that is plugged into the container body, and B is an upper lid that is integrally formed with the cap body A via a hinge C.
Engagement ridges 2 are provided on the outer periphery of the mouth tube portion 1 of the container body.

図１、２に示すように、キャップ本体Ａは、底壁５と、底壁５の周縁に連設される注出筒６と、注出筒６の下端外周よりリング状底壁７を介して連設される係合筒部８と、係合筒部８外周に一定の間隔をもって連設され、上端外周の所定の位置にヒンジＣを連設する外周筒部９とからなっている。   As shown in FIGS. 1 and 2, the cap body A includes a bottom wall 5, a pouring cylinder 6 connected to the periphery of the bottom wall 5, and a ring-shaped bottom wall 7 from the outer periphery of the lower end of the pouring cylinder 6. Are connected to the outer periphery of the engaging tube portion 8 at a predetermined interval, and the outer peripheral tube portion 9 is connected to the hinge C at a predetermined position on the outer periphery of the upper end.

底壁５には、注出口１０を開口する薄肉の弱化部１１が設けられており、底壁５の上面には、弱化部１１の区画内に、注出口１０の開口時に引上げるプルリング１２が設けられている。   The bottom wall 5 is provided with a thin weakened portion 11 that opens the spout 10, and on the upper surface of the bottom wall 5, a pull ring 12 that is pulled up when the spout 10 is opened is in a section of the weakened portion 11. Is provided.

注出筒６の内周上部には、周方向に、所定の距離の間欠部１３ａを複数形成した間欠リブ１３が配設されている。   An intermittent rib 13 in which a plurality of intermittent portions 13 a having a predetermined distance are formed in the circumferential direction is disposed on the inner peripheral upper portion of the dispensing cylinder 6.

係合筒部８は、リング状の上壁１５と、上壁１５の内周縁に垂設され、内周がリング状底壁７外周縁と接続する内筒１６と、上壁１５の外周縁に垂設された外筒１７と、上壁１５の上部に立設され、上蓋Ｂと係合する蓋係合部１８とからなっている。
外筒１７の内周には、容器本体の口筒部１の係合突条２と係合する係合突条１９が設けられており、係合筒部８は、打栓時に、内筒１６外周と外筒１７内周により、容器本体の口筒部１を挟持することで、キャップ本体Ａを容器本体の口筒部１に装着される。 The engagement cylinder portion 8 is provided on the ring-shaped upper wall 15, the inner cylinder 16 is suspended from the inner periphery of the upper wall 15, and the inner periphery is connected to the outer periphery of the ring-shaped bottom wall 7, and the outer periphery of the upper wall 15. The outer cylinder 17 is suspended from the upper wall 15, and the lid engaging portion 18 that is erected on the upper portion of the upper wall 15 and engages with the upper lid B.
An engagement protrusion 19 that engages with the engagement protrusion 2 of the mouth tube portion 1 of the container main body is provided on the inner periphery of the outer tube 17. The cap body A is attached to the mouth tube portion 1 of the container body by sandwiching the mouth tube portion 1 of the container body between the outer periphery of 16 and the inner periphery of the outer tube 17.

外筒１７の下端外周と外周筒部９の下端内周は、外周筒部９のヒンジＣの反対側に設けられた連結片２０と、間隔をおいて複数配設された破断可能な弱化片２１とを介して連設されている。   The outer periphery of the lower end of the outer cylinder 17 and the inner periphery of the lower end of the outer cylinder part 9 are connected pieces 20 provided on the opposite side of the hinge C of the outer cylinder part 9 and a plurality of breakable weakening pieces arranged at intervals. 21 are connected to each other.

図１、図４（ａ）に示すように、蓋係合部１８の上面には、内方から外方下方に向かい僅かに傾斜する蓋係合傾斜面２５が形成され、外周には、外筒１７外周より縮径された縮径部２６と、その上端部に縮径部２６より拡径された膨出部２７とが形成されており、膨出部２７の最突部の下方周面は係合面２７ａとなっている。   As shown in FIGS. 1 and 4A, a lid engaging inclined surface 25 is formed on the upper surface of the lid engaging portion 18 so as to slightly incline from the inside toward the outside downward. A reduced diameter portion 26 having a diameter reduced from the outer periphery of the cylinder 17 and a bulging portion 27 having a diameter increased from the reduced diameter portion 26 are formed at an upper end portion thereof, and a lower peripheral surface of the most protruding portion of the bulged portion 27. Is an engaging surface 27a.

上蓋Ｂは、頂壁３０と、頂壁３０の周縁に垂設された外筒壁３１とからなり、頂壁３０下面には、キャップ本体Ａの注出筒６の内周に挿入される内筒壁３２が垂設されている。
外筒壁３１の内周下端は、拡径され、キャップ本体Ａの係合筒部８の蓋係合部１８と係合する係合部３３が設けられており、外周下端の所定の位置に、ヒンジＣが連設されている。 The upper lid B is composed of a top wall 30 and an outer cylindrical wall 31 suspended from the periphery of the top wall 30, and is inserted into the inner periphery of the pouring cylinder 6 of the cap body A on the lower surface of the top wall 30. A cylindrical wall 32 is provided vertically.
An inner peripheral lower end of the outer cylindrical wall 31 is enlarged in diameter, and an engaging portion 33 that engages with the lid engaging portion 18 of the engaging cylindrical portion 8 of the cap body A is provided. The hinge C is continuously provided.

係合部３３は、キャップ閉蓋時にキャップ本体Ａの蓋係合部１８の蓋係合傾斜面２５に当接し、係合するように僅かに傾斜した上傾斜内面３３ａと、蓋係合部１８の外周と係合する側内面３３ｂとから形成されている。
上傾斜内面３３ａには空気溝３４が配設され、側内面３３ｂの下端には、キャップ本体Ａの蓋係合部１８の膨出部２７と係合する係合突部３５が設けられている。
係合突部３５は、最突部の上方周面がキャップ本体Ａの蓋係合部１８の膨出部２７の係合面２７ａに係合する係合面３５ａとなっている。 The engaging portion 33 contacts the lid engaging inclined surface 25 of the lid engaging portion 18 of the cap main body A when the cap is closed, and the upper inclined inner surface 33a slightly inclined so as to engage with the lid engaging inclined surface 25, and the lid engaging portion 18 It is formed from the side inner surface 33b engaged with the outer periphery.
An air groove 34 is provided in the upper inclined inner surface 33a, and an engaging protrusion 35 that engages with the bulging portion 27 of the lid engaging portion 18 of the cap body A is provided at the lower end of the side inner surface 33b. .
In the engaging protrusion 35, the upper peripheral surface of the most protruding part is an engaging surface 35 a that engages with the engaging surface 27 a of the bulging portion 27 of the lid engaging portion 18 of the cap body A.

次に、本実施例のヒンジキャップの作用効果について説明する。
上蓋Ｂの係合部３３とキャップ本体Ａの蓋係合部１８とを係合させ、上蓋Ｂをキャップ本体Ａに閉蓋すると、図１に示すように、ヒンジキャップ内には、係合したキャップ本体Ａの注出筒６と上蓋Ｂの内筒壁３２より内側に空気室ａ、および外側に空気室ｂが形成される。 Next, the effect of the hinge cap of a present Example is demonstrated.
When the engaging portion 33 of the upper lid B and the lid engaging portion 18 of the cap body A are engaged and the upper lid B is closed to the cap body A, the hinge cap is engaged as shown in FIG. An air chamber a is formed on the inner side of the pouring cylinder 6 of the cap body A and the inner cylinder wall 32 of the upper lid B, and an air chamber b is formed on the outer side.

次に、容器本体内に加熱された内容液を充填し、容器本体の口筒部１に、閉蓋したヒンジキャップを上方から打栓する。   Next, the container body is filled with the heated content liquid, and a closed hinge cap is plugged into the mouth tube portion 1 of the container body from above.

打栓前のヒンジキャップ内は、キャップ本体Ａの注出筒６内周面と、上蓋Ｂの内筒壁３２外周との係合により、空気室ａと空気室ｂとの空気の流通路が封鎖されている。
また、上蓋Ｂの外筒壁３１の係合部３３の係合突部３５の係合面３５ａと、キャップ本体Ａの係合筒部８の蓋係合部１８の膨出部２７の係合面２７ａとの係合により、空気室ｂ内とヒンジキャップ外との空気の流通路が封鎖されている。 In the hinge cap before the plugging, the air flow path between the air chamber a and the air chamber b is formed by the engagement between the inner peripheral surface of the extraction cylinder 6 of the cap body A and the outer periphery of the inner cylinder wall 32 of the upper lid B. Blocked.
Also, the engagement surface 35a of the engagement protrusion 35 of the engagement portion 33 of the outer cylinder wall 31 of the upper lid B and the bulging portion 27 of the lid engagement portion 18 of the engagement cylinder portion 8 of the cap body A are engaged. The air flow path between the air chamber b and the outside of the hinge cap is blocked by the engagement with the surface 27a.

打栓時には、ヒンジキャップの上蓋Ｂの上部より強い押圧力がかかり、上蓋Ｂがキャップ本体Ａに対して押圧され、下降する。
上蓋Ｂが下降することにより、図３、図４（ｂ）に示すように、上蓋Ｂの内筒壁３２の外周下端部が、キャップ本体Ａの注出筒６内周面を摺動する。
さらに下降し、内筒壁３２の外周下端部が注出筒６内周に周設した間欠リブ１３に当接し、乗り上げることで、内筒壁３２が内方に変形し、上蓋Ｂの内筒壁３２外周とキャップ本体Ａの注出筒６内周との係合が外れ、間隙を形成する。 At the time of stoppering, a strong pressing force is applied from the upper part of the upper cover B of the hinge cap, and the upper cover B is pressed against the cap body A and descends.
When the upper lid B is lowered, the outer peripheral lower end portion of the inner cylindrical wall 32 of the upper lid B slides on the inner peripheral surface of the extraction cylinder 6 of the cap main body A, as shown in FIGS.
Further descending, the lower end of the outer periphery of the inner cylinder wall 32 abuts on the intermittent rib 13 provided around the inner periphery of the extraction cylinder 6 and climbs up, so that the inner cylinder wall 32 is deformed inward and the inner cylinder of the upper lid B The outer periphery of the wall 32 and the inner periphery of the extraction cylinder 6 of the cap body A are disengaged to form a gap.

このことにより、上蓋Ｂがキャップ本体Ａに対して下降し、押圧された空気室ａ内の空気が、間欠リブ１３の間欠部１３ａを流通路とし、上蓋Ｂの内筒壁３２外周とキャップ本体Ａの注出筒６内周との間隙を通り、空気室ｂ内に排出される。   As a result, the upper lid B descends with respect to the cap main body A, and the air in the pressed air chamber a uses the intermittent portion 13a of the intermittent rib 13 as a flow path, and the outer periphery of the inner cylindrical wall 32 of the upper lid B and the cap main body. It passes through the gap between the inner periphery of the A extraction tube 6 and is discharged into the air chamber b.

また、上蓋Ｂがキャップ本体Ａに対して押圧され、上蓋Ｂの係合部３３の上傾斜内面３３ａがキャップ本体Ａの蓋係合部１８の蓋係合傾斜面２５の面上を摺動することにより、上蓋Ｂの外筒壁３１の下方を、外方へ僅かに変形させる。   Further, the upper lid B is pressed against the cap main body A, and the upper inclined inner surface 33a of the engaging portion 33 of the upper lid B slides on the surface of the lid engaging inclined surface 25 of the lid engaging portion 18 of the cap main body A. Thus, the lower part of the outer cylindrical wall 31 of the upper lid B is slightly deformed outward.

上蓋Ｂの外筒壁３１が外方へ変形することにより、上蓋Ｂの係合突部３５の係合面３５ａと、キャップ本体Ａの蓋係合部１８の膨出部２７の係合面２７ａとの係合が外れ、間隙をつくる。   When the outer cylindrical wall 31 of the upper lid B is deformed outward, the engaging surface 35a of the engaging protrusion 35 of the upper lid B and the engaging surface 27a of the bulging portion 27 of the lid engaging portion 18 of the cap body A Is disengaged and creates a gap.

そして、上蓋Ｂがキャップ本体Ａに対して下降し、押圧された空気室ｂ内の空気は、上蓋Ｂの係合部３３の上傾斜内面３３ａと、キャップ本体Ａの蓋係合部１８の蓋係合傾斜面２５との係合部より、上傾斜内面３３ａに配設した空気溝３４を通り、上蓋Ｂの係合突部３５の係合面３５ａと、キャップ本体Ａの膨出部２７の係合面２７ａとの間隙を通り、キャップ本体Ａの係合筒部８と外周筒部９と弱化片２１同士の間を通り、容器外に排出される。   Then, the upper lid B descends with respect to the cap main body A, and the air in the pressed air chamber b is the upper inclined inner surface 33a of the engaging portion 33 of the upper lid B and the lid of the lid engaging portion 18 of the cap main body A. From the engaging portion with the engaging inclined surface 25, it passes through the air groove 34 disposed on the upper inclined inner surface 33 a, and the engaging surface 35 a of the engaging protrusion 35 of the upper lid B and the bulging portion 27 of the cap body A It passes through the gap with the engaging surface 27a, passes between the engaging cylinder part 8, the outer peripheral cylinder part 9 and the weakening piece 21 of the cap body A, and is discharged out of the container.

打栓終了後には、上蓋Ｂに対するの押圧力が外され、上蓋Ｂの内筒壁３２および外筒壁３１の復元力により、内筒壁３２の外周下端部 が注出筒６内周の間欠リブ１３を押圧し、摺動するとともに、外筒壁３１の係合部３３の上傾斜内面３３ａを、キャップ本体Ａの蓋係合部１８の蓋係合傾斜面２５の面上で内方に向かって摺動させ、上蓋Ｂをキャップ本体Ａに対して上昇させ、ヒンジキャップが速やかに元の状態に戻る。   After the plugging is finished, the pressing force on the upper lid B is removed, and the lower end of the outer periphery of the inner cylindrical wall 32 is intermittently connected to the inner periphery of the dispensing cylinder 6 by the restoring force of the inner cylindrical wall 32 and the outer cylindrical wall 31 of the upper lid B. The rib 13 is pressed and slid, and the upper inclined inner surface 33a of the engaging portion 33 of the outer cylinder wall 31 is set inward on the surface of the lid engaging inclined surface 25 of the lid engaging portion 18 of the cap body A. The upper cover B is raised with respect to the cap main body A, and the hinge cap quickly returns to the original state.

このことで、図１、図４（ａ）に示すように、再び、キャップ本体Ａの注出筒６内周面と、上蓋Ｂの内筒壁３２外周下部との係合により、空気室ａと空気室ｂとの空気の流通路が速やかに閉鎖されるため、空気室ａ内は僅かに負圧となる。
また、上蓋Ｂの外筒壁３１の係合突部３５の係合面３５ａと、キャップ本体Ａの蓋係合部１８の膨出部２７の係合面２７ａとの係合により、空気室ｂ内と容器外との空気の流通路が速やかに閉鎖されるため、空気室ｂ内は僅かに負圧となる。 As a result, as shown in FIGS. 1 and 4A, the air chamber a is again engaged by the engagement between the inner peripheral surface of the extraction cylinder 6 of the cap body A and the lower outer periphery of the inner cylinder wall 32 of the upper lid B. Since the air flow path between the air chamber b and the air chamber b is quickly closed, the air chamber a has a slightly negative pressure.
Further, the engagement between the engagement surface 35a of the engagement protrusion 35 of the outer cylindrical wall 31 of the upper lid B and the engagement surface 27a of the bulging portion 27 of the lid engagement portion 18 of the cap body A results in the air chamber b. Since the air flow path between the inside and the outside of the container is quickly closed, the air chamber b has a slightly negative pressure.

容器内の加熱された内容液、或いは、温水シャワーにより、ヒンジキャップ内の空気が加熱されても、キャップ内がもともと負圧となっているため、ヒンジキャップ内の内圧上昇を低く抑えることができる。
このため、ヒンジキャップ内の内圧が上昇したとしても、内圧上昇のためヒンジキャップの上蓋Ｂがキャップ本体Ａに対して開蓋するということを防止することができる。 Even if the air in the hinge cap is heated by the heated content liquid in the container or the hot water shower, since the inside of the cap is originally negative pressure, the increase in the internal pressure in the hinge cap can be suppressed low. .
For this reason, even if the internal pressure in the hinge cap increases, it is possible to prevent the upper cover B of the hinge cap from opening the cap body A due to the increase in internal pressure.

また、本発明のヒンジキャップは、ヒンジキャップ内の内圧上昇により上蓋Ｂがキャップ本体Ａに対して開蓋することを防止することができるが、打栓時のヒンジキャップ内の負圧は僅かであるため、消費者が必要に応じて開蓋する際には、開蓋操作の障害にはならない。   In addition, the hinge cap of the present invention can prevent the upper lid B from opening the cap body A due to an increase in internal pressure in the hinge cap, but the negative pressure in the hinge cap at the time of striking is small. Therefore, when the consumer opens the lid as necessary, it does not hinder the opening operation.

本発明のヒンジキャップは、容器を廃棄する際は、まず、上蓋Ｂを開蓋し、上蓋Ｂを引張り上げると、ヒンジＣを介してキャップ本体Ａの外周筒部９が上昇し、外周筒部９と係合筒部８との間の弱化片２１を切断する。
次に、外周筒部９と係合筒部８との間の連結片２０を支点として、外周筒部９のヒンジＣ側が上昇し、さらに上蓋Ｂを引張ると、外周筒部９の連結片２０側も上昇する。 In the hinge cap of the present invention, when the container is discarded, first, when the upper lid B is opened and the upper lid B is pulled up, the outer peripheral cylindrical portion 9 of the cap body A rises via the hinge C, and the outer peripheral cylindrical portion. The weakening piece 21 between 9 and the engagement cylinder part 8 is cut | disconnected.
Next, with the connecting piece 20 between the outer peripheral cylindrical portion 9 and the engaging cylindrical portion 8 as a fulcrum, when the hinge C side of the outer peripheral cylindrical portion 9 is raised and the upper lid B is pulled, the connecting piece 20 of the outer peripheral cylindrical portion 9 is pulled. The side will also rise.

最後は、連結片２０を介して係合筒部８の外筒１７の連設部側のみが引張られ、係合筒部８の外筒１７が変形し、キャップ本体Ａと容器本体の口筒部１との係合が外れるので、簡単にヒンジキャップを容器本体から外して、分別廃棄することができる。   Finally, only the connecting portion side of the outer cylinder 17 of the engaging cylinder portion 8 is pulled through the connecting piece 20, and the outer cylinder 17 of the engaging cylinder portion 8 is deformed, so that the cap main body A and the container main body mouthpiece are deformed. Since the engagement with the part 1 is disengaged, the hinge cap can be easily removed from the container body and separated and discarded.

次に、第１実施例の上蓋の内筒壁の外周下端部に係合突条を配設した第２実施例について説明する。
本実施例の第１実施例と同一の構成部分には、同一の符号を付して図示して詳しい説明を省略し、相違点を中心に説明する。 Next, a description will be given of a second embodiment in which an engaging protrusion is disposed on the lower end of the outer periphery of the inner cylinder wall of the upper lid of the first embodiment.
The same components as those of the first embodiment of the present embodiment are denoted by the same reference numerals, detailed description thereof is omitted, and differences will be mainly described.

図５において、Ａは容器本体に打栓されるキャップ本体、Ｂはキャップ本体ＡにヒンジＣを介して一体成形された上蓋である。
上蓋Ｂの内筒壁３２の下端部外周には、図５、図６（ａ）に示すように、キャップ本体Ａの注出筒６の内周面上部に摺接する膨出環４０が周設されている。 In FIG. 5, A is a cap body that is plugged into the container body, and B is an upper lid that is integrally formed with the cap body A via a hinge C.
On the outer periphery of the lower end portion of the inner cylinder wall 32 of the upper lid B, as shown in FIGS. 5 and 6A, a bulging ring 40 that is in sliding contact with the upper part of the inner peripheral surface of the extraction cylinder 6 of the cap body A is provided. Has been.

次に、本実施例のヒンジキャップの作用効果について説明する。
打栓前のヒンジキャップ内は、キャップ本体Ａの注出筒６内周面と、上蓋Ｂの内筒壁３２外周下端部の膨出環４０との係合により、空気室ａと空気室ｂとの空気の流通路が封鎖されている。 Next, the effect of the hinge cap of a present Example is demonstrated.
The inside of the hinge cap before the stopper is connected with the air chamber a and the air chamber b by the engagement between the inner peripheral surface of the extraction cylinder 6 of the cap body A and the bulging ring 40 at the lower end of the outer periphery of the inner cylinder wall 32 of the upper lid B. And the air flow path is blocked.

ヒンジキャップの打栓時に、ヒンジキャップの上蓋Ｂの上部より強い押圧力がかかり、上蓋Ｂがキャップ本体Ａに対して押圧され、下降することにより、上蓋Ｂの内筒壁３２の膨出環４０がキャップ本体Ａの注出筒６内周面を摺動し、図６（ｂ）に示すように、注出筒６内周に配設した間欠リブ１３に当接し、乗り上げ、内筒壁３２下端が内方に僅かに変形する。   When the hinge cap is struck, a strong pressing force is applied from the upper part of the upper cover B of the hinge cap, and the upper cover B is pressed against the cap body A and descends, whereby the bulging ring 40 of the inner cylindrical wall 32 of the upper cover B is applied. Slides on the inner peripheral surface of the pouring cylinder 6 of the cap body A, contacts the intermittent ribs 13 arranged on the inner circumference of the pouring cylinder 6, as shown in FIG. The lower end is slightly deformed inward.

このことにより、上蓋Ｂがキャップ本体Ａに対して下降し、押圧された空気室ａ内の空気が、間欠リブ１３の間欠部１３ａを流通路とし、上蓋Ｂの内筒壁３２外周とキャップ本体Ａの注出筒６内周との間隙を通り空気室ｂ内に排出される。   As a result, the upper lid B descends with respect to the cap main body A, and the air in the pressed air chamber a uses the intermittent portion 13a of the intermittent rib 13 as a flow path, and the outer periphery of the inner cylindrical wall 32 of the upper lid B and the cap main body. A is discharged into the air chamber b through the gap between the inner periphery of the dispensing cylinder 6.

本実施例では、上蓋Ｂの内筒壁３２の下端外周に膨出環４０をが周設したことにより、実施例１に比べ、キャップ本体Ａの注出筒６内周と上蓋Ｂの内筒壁３２外周との間隙を確実に開設することができる。
その他の作用効果は、実施例１と同じである。 In the present embodiment, the bulging ring 40 is provided around the lower end outer periphery of the inner cylinder wall 32 of the upper lid B, so that the inner periphery of the pouring cylinder 6 of the cap body A and the inner cylinder of the upper lid B are compared with the first embodiment. A gap with the outer periphery of the wall 32 can be opened reliably.
Other functions and effects are the same as those of the first embodiment.

次に、第１実施例において、キャップ本体の蓋係合部と上蓋の係合部の形状を変更した第３実施例について説明する。
同一の構成の部品については、同一の符号を付して図示し、説明を省略する。
以下、変更点を説明する。 Next, a third embodiment in which the shapes of the lid engaging portion of the cap body and the engaging portion of the upper lid are changed in the first embodiment will be described.
Parts having the same configuration are denoted by the same reference numerals and description thereof is omitted.
The changes will be described below.

図７、８において、Ａａは容器本体、Ｂａは上蓋である。
容器本体Ａａは、注出筒６と係合筒部８とを具えており、係合筒部８の上部には、上面を水平面４５とし、外周に膨出部４６を設けた蓋係合部４７が立設されている。 7 and 8, Aa is a container body, and Ba is an upper lid.
The container main body Aa includes a pouring cylinder 6 and an engaging cylinder portion 8. A lid engaging portion having an upper surface as a horizontal surface 45 and an bulging portion 46 provided on the outer periphery of the upper portion of the engaging cylinder portion 8. 47 is erected.

上蓋Ｂａは、頂壁３０と外筒壁３１とを具えており、外筒壁３１の内周下端には、係合部４８が設けられている。
係合部４８は、蓋係合部４７の上面の水平面４５と係合する水平な係合面４９と、膨出部４６の下方周面と係合する係合突条５０とから形成されており、係合面４９には、空気溝５１が配設されている。 The upper lid Ba includes a top wall 30 and an outer cylinder wall 31, and an engaging portion 48 is provided at the inner peripheral lower end of the outer cylinder wall 31.
The engaging portion 48 is formed of a horizontal engaging surface 49 that engages with the horizontal surface 45 on the upper surface of the lid engaging portion 47, and an engaging ridge 50 that engages with the lower peripheral surface of the bulging portion 46. In addition, an air groove 51 is disposed on the engagement surface 49.

打栓にあたって、上蓋Ｂａの外周壁３１が外方に変形して、蓋係合部４７の膨出部４６と係合突条５０との間に空気の流通路が形成される。   In the stoppering, the outer peripheral wall 31 of the upper lid Ba is deformed outward, and an air flow passage is formed between the bulging portion 46 of the lid engaging portion 47 and the engaging protrusion 50.

その他の構成は、第１実施例と同一であり、同一の作用効果を得ることができる。   Other configurations are the same as those of the first embodiment, and the same operational effects can be obtained.

上記各実施例では、キャップ本体Ａの注出筒６内周上部に、所定の距離の間欠部１３ａを複数形成した間欠リブ１３を配設したが、本発明は、打栓時に、上蓋Ｂの内筒壁３２の外周下端部が当接し、乗り上げることで、内筒壁３２を内方に変形させ、間隙を形成し、空気室ａ内から空気室ｂ内への空気の流通路を開設することができればよいので、例えば、間欠部が一個所の周方向のリブでも、所定の距離で周方向に複数の突部を形成したものでもよく、キャップ本体Ａの注出筒６内周に配設する間欠リブ１３の形状は、上記各実施例の形状に限定されない。   In each of the above-described embodiments, the intermittent rib 13 having a plurality of intermittent portions 13a having a predetermined distance is disposed on the inner peripheral upper portion of the dispensing cylinder 6 of the cap main body A. The lower end of the outer periphery of the inner cylindrical wall 32 abuts and rides on, thereby deforming the inner cylindrical wall 32 inward, forming a gap, and opening an air flow path from the air chamber a to the air chamber b. For example, the intermittent portion may be a single circumferential rib or a plurality of protrusions formed in the circumferential direction at a predetermined distance, and may be arranged on the inner periphery of the dispensing cylinder 6 of the cap body A. The shape of the intermittent rib 13 to be provided is not limited to the shape of each of the above embodiments.

本発明は、ヒンジキャップにおいて、ヒンジキャップを容器へ打栓することで、ヒンジキャップ内を僅かに負圧にし、容器内の内容液、または、温水シャワーによりヒンジキャップ内の空気が加熱され、ヒンジキャップの上蓋が開蓋することを防止できるので、各種の加熱充填する内容液の容器のヒンジキャップとして、広く利用することができる。   According to the present invention, in the hinge cap, the inside of the hinge cap is slightly negative pressure by plugging the hinge cap into the container, and the air in the hinge cap is heated by the liquid in the container or the hot water shower. Since it is possible to prevent the top lid of the cap from opening, it can be widely used as a hinge cap for various liquid containers to be heated and filled.

本発明の第１実施例のヒンジキャップの断面立面図である。It is a section elevation view of the hinge cap of the 1st example of the present invention. ヒンジキャップの下面図である。It is a bottom view of a hinge cap. ヒンジキャップの打栓時の説明図である。It is explanatory drawing at the time of stoppering of a hinge cap. ヒンジキャップの説明図で、（ａ）は打栓時前後の要部拡大図、（ｂ）は打栓時の要部拡大図である。It is explanatory drawing of a hinge cap, (a) is the principal part enlarged view before and behind at the time of stoppering, (b) is the principal part enlarged view at the time of stoppering. 本発明の第２実施例のヒンジキャップの断面立面図である。It is a section elevation view of the hinge cap of the second embodiment of the present invention. ヒンジキャップの説明図で、（ａ）は打栓時前後の要部拡大図、（ｂ）は打栓時の要部拡大図である。It is explanatory drawing of a hinge cap, (a) is the principal part enlarged view before and behind at the time of stoppering, (b) is the principal part enlarged view at the time of stoppering. 本発明の第３実施例のヒンジキャップの断面立面図である。It is a section elevation view of the hinge cap of the third embodiment of the present invention. ヒンジキャップの説明図で、（ａ）は打栓時前後の要部拡大図、（ｂ）は打栓時の要部拡大図である。It is explanatory drawing of a hinge cap, (a) is the principal part enlarged view before and behind at the time of stoppering, (b) is the principal part enlarged view at the time of stoppering.

符号の説明Explanation of symbols

Ａ、Ａａ キャップ本体
Ｂ、Ｂａ 上蓋
Ｃ ヒンジ
ａ、ｂ 空気室
１ 口筒部
２、１９ 係合突条
５ 底壁
６ 注出筒
７ リング状底壁
８ 係合筒部
９ 外周筒部
１０ 注出口
１１ 弱化部
１２ プルリング
１３ 間欠リブ
１３ａ 間欠部
１５ 上壁
１６ 内筒
１７ 外筒
１８ 蓋係合部
２０ 連結片
２１ 弱化片
２５ 蓋係合傾斜面
２６ 縮径部
２７ 膨出部
２７ａ、３５ａ 係合面
３０ 頂壁
３１ 外筒壁
３２ 内筒壁
３３ 係合部
３３ａ 上傾斜内面
３３ｂ 側内面
３４ 空気溝
３５ 係合突部
４０ 膨出環
４５ 水平面
４６ 膨出部
４７ 蓋係合部
４８ 係合部
４９ 係合面
５０ 係合突条
５１ 空気溝 A, Aa Cap main body B, Ba Top lid C Hinge a, b Air chamber 1 Mouth tube portion 2, 19 Engagement ridge 5 Bottom wall 6 Extraction tube 7 Ring-shaped bottom wall 8 Engagement tube portion 9 Outer tube portion 10 Note Exit 11 Weakened part 12 Pull ring 13 Intermittent rib 13a Intermittent part 15 Upper wall 16 Inner cylinder 17 Outer cylinder 18 Lid engaging part 20 Connecting piece 21 Weakened piece 25 Lid engaging inclined surface 26 Reduced diameter part 27 Enlarged part 27a, 35a Engagement Joint surface 30 Top wall 31 Outer cylinder wall 32 Inner cylinder wall 33 Engagement part 33a Upper inclined inner surface 33b Side inner surface 34 Air groove 35 Engagement protrusion 40 Swelling ring 45 Horizontal surface 46 Swelling part 47 Lid engagement part 48 Engagement Part 49 Engagement surface 50 Engagement protrusion 51 Air groove

Claims (3)

容器の口筒部に取着され、キャップ本体と上蓋からなるヒンジキャップにおいて、
キャップ本体は、注出筒と、容器口筒部に嵌着される係合筒部とを具え、
注出筒の内周には、周方向に所定の距離の間欠部を複数形成した間欠リブが配設され、
係合筒部の上部には、上面に蓋係合面を形成し、上部外周に膨出部を設けた蓋係合部が突設されており、
上蓋は、頂壁と外筒壁と、頂壁下面に垂設され、キャップ本体の注出筒の内周に係合する内筒壁とを具え、
外筒壁下端内周には、閉蓋時に、キャップ本体の蓋係合面に当接する係合面と、蓋係合部の膨出部の下方周面と係合する係合突部を設けた係合部が形成されていることを特徴とするヒンジキャップ。 In the hinge cap attached to the mouth tube portion of the container
The cap body includes a dispensing tube and an engaging tube portion fitted to the container mouth tube portion,
On the inner periphery of the dispensing tube, intermittent ribs that are formed with a plurality of intermittent portions of a predetermined distance in the circumferential direction are arranged,
At the upper part of the engagement tube part, a lid engagement part is formed which has a lid engagement surface on the upper surface and a bulge part on the outer periphery of the upper part.
The upper lid includes a top wall, an outer cylinder wall, and an inner cylinder wall that is suspended from the bottom surface of the top wall and engages with the inner periphery of the extraction cylinder of the cap body.
On the inner periphery of the lower end of the outer cylinder wall, there are provided an engaging surface that contacts the lid engaging surface of the cap body and an engaging projection that engages with the lower peripheral surface of the bulging portion of the lid engaging portion when the lid is closed. A hinge cap characterized in that an engaging portion is formed. 上蓋の内筒壁外周下端部に、キャップ本体の注出筒内周に摺接する膨出環が周設されていることを特徴とする請求項１記載のヒンジキャップ。   The hinge cap according to claim 1, wherein a bulging ring is provided around the inner cylinder wall outer peripheral lower end of the upper lid so as to be in sliding contact with the inner circumference of the extraction cylinder of the cap body. 係合筒部上部の蓋係合面が、外方に傾斜する傾斜面となっており、上蓋外筒壁の係合面が、蓋係合面と接合する傾斜面となっていることを特徴とする請求項１、２記載のヒンジキャップ。   The lid engaging surface of the upper part of the engaging cylinder part is an inclined surface inclined outward, and the engaging surface of the upper lid outer cylinder wall is an inclined surface joined to the lid engaging surface. The hinge cap according to claim 1 or 2.
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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2009179368A (en) * 2008-01-31 2009-08-13 Yoshino Kogyosho Co Ltd Hinged cap

Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS53110363U (en) * 1977-02-08 1978-09-04
JPH0486751U (en) * 1990-11-30 1992-07-28
FR2749565A1 (en) * 1996-06-10 1997-12-12 Beplast Sa Stopper for oil bottle
JPH1135061A (en) * 1997-07-14 1999-02-09 Japan Crown Cork Co Ltd Hinged cap
JP2000272648A (en) * 1999-03-19 2000-10-03 Mikasa Sangyo Kk Synthetic resin cap
JP2002347822A (en) * 2001-05-25 2002-12-04 Mikasa Sangyo Kk Synthetic resin cap
JP2007176577A (en) * 2005-12-28 2007-07-12 Yoshino Kogyosho Co Ltd Pouring cap

Patent Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS53110363U (en) * 1977-02-08 1978-09-04
JPH0486751U (en) * 1990-11-30 1992-07-28
FR2749565A1 (en) * 1996-06-10 1997-12-12 Beplast Sa Stopper for oil bottle
JPH1135061A (en) * 1997-07-14 1999-02-09 Japan Crown Cork Co Ltd Hinged cap
JP2000272648A (en) * 1999-03-19 2000-10-03 Mikasa Sangyo Kk Synthetic resin cap
JP2002347822A (en) * 2001-05-25 2002-12-04 Mikasa Sangyo Kk Synthetic resin cap
JP2007176577A (en) * 2005-12-28 2007-07-12 Yoshino Kogyosho Co Ltd Pouring cap

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2009179368A (en) * 2008-01-31 2009-08-13 Yoshino Kogyosho Co Ltd Hinged cap

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