JP5314318B2 - Container for liquid - Google Patents

Container for liquid Download PDF

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Publication number
JP5314318B2
JP5314318B2 JP2008100323A JP2008100323A JP5314318B2 JP 5314318 B2 JP5314318 B2 JP 5314318B2 JP 2008100323 A JP2008100323 A JP 2008100323A JP 2008100323 A JP2008100323 A JP 2008100323A JP 5314318 B2 JP5314318 B2 JP 5314318B2
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Prior art keywords
cap
nozzle
cylindrical mouth
container
neck portion
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JP2008100323A
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JP2009249007A (en
Inventor
繁彦 小久保
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Rohto Pharmaceutical Co Ltd
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Rohto Pharmaceutical Co Ltd
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Priority to JP2008100323A priority Critical patent/JP5314318B2/en
Priority to CN2009801125336A priority patent/CN101983164A/en
Priority to EP09731085A priority patent/EP2287083A4/en
Priority to US12/936,401 priority patent/US20110024426A1/en
Priority to PCT/JP2009/056601 priority patent/WO2009125691A1/en
Priority to TW098111475A priority patent/TWI444313B/en
Publication of JP2009249007A publication Critical patent/JP2009249007A/en
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Publication of JP5314318B2 publication Critical patent/JP5314318B2/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
    • B65D41/46—Snap-on caps or cap-like covers
    • B65D41/48—Snap-on caps or cap-like covers non-metallic, e.g. made of paper or plastics
    • B65D41/485—Snap-on caps or cap-like covers non-metallic, e.g. made of paper or plastics with integral internal sealing means
    • 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
    • B65D47/18—Closures with discharging devices other than pumps with pouring spouts or tubes; with discharge nozzles or passages for discharging drops; Droppers

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Closures For Containers (AREA)
  • Medical Preparation Storing Or Oral Administration Devices (AREA)
  • Containers Having Bodies Formed In One Piece (AREA)

Description

本発明は、点眼薬、点鼻薬、コンタクトレンズの洗浄液等の容器として有用な液体用容器に関するものである。   The present invention relates to a liquid container useful as a container for eye drops, nasal drops, contact lens cleaning liquid, and the like.

従来から、点眼薬等の容器として、ノズルを備えた容器本体とこの容器本体に着脱可能に装着されるキャップとからなり、キャップを外してノズル先端を下向きにし、容器本体を軽く押圧してノズル先端から薬液を滴下させるものが一般に知られている。   Conventionally, as a container for eye drops etc., it consists of a container main body equipped with a nozzle and a cap that is detachably attached to the container main body. Remove the cap with the nozzle tip facing downward, and lightly press the container main body to make the nozzle Those in which a chemical solution is dripped from the tip are generally known.

特に、特許文献１に記載されるように、キャップ内周面に係止アームを備え、この係止アームを容器本体に形成される係止突起に係止させることにより容器本体に対してキャップを装着する一方、容器本体に対してキャップをひねることで係止アームと容器本体との係止を解除してキャップを取り外せるようにした、いわゆるツイストキャップタイプの液体用容器は、点眼薬等の容器として広く用いられている。   In particular, as described in Patent Document 1, the cap inner peripheral surface is provided with a locking arm, and the locking arm is locked to a locking projection formed on the container main body, whereby the cap is attached to the container main body. A so-called twist cap type liquid container is a container for eye drops or the like, which can be removed by unlocking the locking arm and the container body by twisting the cap against the container body. Is widely used.

なお、点眼薬等の容器は携帯されるケースが多く、従って、ノズルからの液漏れを確実に防止する必要がある。そこで、特許文献１の容器では、キャップ内頂部に栓突起（シール部）を設け、この栓突起をノズル口に挿入させることにより液漏れを防止するとともに、キャップ装着操作時には、栓突起がスムーズにノズル口に挿入され得るように栓突起の周囲に案内部を設けてノズルと栓突起とを位置決めするようにしている。
特開平１０―３２９８５５号公報 In many cases, containers such as eye drops are carried around, and therefore it is necessary to reliably prevent liquid leakage from the nozzle. Therefore, in the container of Patent Document 1, a stopper protrusion (seal part) is provided at the top of the cap, and the stopper protrusion is inserted into the nozzle port to prevent liquid leakage. A guide portion is provided around the plug protrusion so that the nozzle and the plug protrusion can be positioned so that they can be inserted into the nozzle opening.
Japanese Patent Laid-Open No. 10-329855

しかし、特許文献１に記載される容器では、キャップ装着操作の際に、キャップに設けられた案内部に沿ってノズル部を接触させて案内するため、キャップの脱着操作を繰り返すと、ノズルが変形する等して液滴形成に支障を来すことが考えられる。特に、ノズルの外周にリング状の突起を形成してノズルからの液垂れを防止すると共に、容器本体の姿勢（滴下角度）によらず液滴を良好に形成して点眼操作性を向上させるようにしたものでは（特開２００４−１９６４１７号公報）、キャップの案内部に沿ってリング状突起の先端部分が案内されることとなるため、キャップの脱着を繰り返すと、リング状突起が変形するなどして液垂れ防止機能や液滴形成機能が阻害されることが考えられる。また、キャップの案内部に沿ってリング状突起の先端部分のみで接触するため、キャップ装着操作の際に、案内部に沿ってノズルを安定的に案内することが難しいという課題もある。従って、これらの課題を合理的な構成に基づいて改善することが求められている。   However, in the container described in Patent Document 1, when the cap is installed, the nozzle is brought into contact with the guide provided along the guide provided on the cap. It can be considered that the formation of droplets is hindered. In particular, ring-shaped protrusions are formed on the outer periphery of the nozzle to prevent dripping from the nozzle, and droplets are well formed regardless of the attitude (dropping angle) of the container body to improve eye drop operability. In this case (Japanese Patent Laid-Open No. 2004-196417), the tip end portion of the ring-shaped protrusion is guided along the guide portion of the cap. Therefore, when the cap is repeatedly detached and attached, the ring-shaped protrusion is deformed. Thus, it is conceivable that the dripping prevention function and the droplet forming function are hindered. Further, since the contact is made only at the tip portion of the ring-shaped protrusion along the guide portion of the cap, there is a problem that it is difficult to stably guide the nozzle along the guide portion during the cap mounting operation. Therefore, it is required to improve these problems based on a rational configuration.

本発明は、上記のような事情に鑑みて成されたものであり、キャップ装着操作の際に、容器本体に対してキャップを良好に案内しつつ装着できる一方で、ノズル変形等の不都合を未然に防止できるようにすることを目的としている。   The present invention has been made in view of the circumstances as described above, and in the cap mounting operation, while the cap can be mounted with good guidance to the container body, inconvenience such as nozzle deformation has occurred. It aims to be able to prevent.

上記の課題を解決するために、本発明の液体用容器は、筒状口頸部を有し、この筒状口頸部の先端にノズル部を一体的に備える容器本体と、ノズル口をシールするシール部を具備し、前記ノズル部及び筒状口頸部に被さるように前記容器本体に対して装着される有頂筒状のキャップとを備えた液体用容器において、前記容器本体は、前記筒状口頸部の外径寸法が前記ノズル部の最大径寸法よりも大きく形成され、かつこの筒状口頸部の基端部外周面に前記キャップの係止用突起を備えた構成とされ、前記キャップは、その内側頂部に前記筒状口頸部に沿って延び、かつ前記筒状口頸部の径方向に並ぶ一対の係止片を備え、前記容器本体に対してキャップを前記筒状口頸部の軸方向に沿って装着すると、各係止片の間に前記筒状口頸部が挿入されて当該係止片の対向面の先端部に形成される係止用凹部に前記係止用突起が挿入されて当該キャップが前記容器本体に対して係止されるように構成され、前記各係止片は、前記容器本体に対するキャップ装着の際に前記対向面が前記筒状口頸部の外周面に接触し、この接触により前記ノズル口とシール部とを対応させつつ前記筒状口頸部に沿って前記キャップが案内されるように、前記対向面が前記各係止片の長手方向の全体に亘って前記筒状口頸部の外周面形状に対応する円弧状に形成され、かつ当該対向面が筒状口頸部の外周面に対して左右両側から当接するように間隔設定されているものである。
In order to solve the above-described problems, the liquid container of the present invention has a cylindrical mouth and neck portion, and a container body integrally provided with a nozzle portion at the tip of the cylindrical mouth and neck portion, and the nozzle port is sealed. A liquid container comprising a cap with a crest attached to the container main body so as to cover the nozzle part and the cylindrical mouth-neck part. The outer diameter of the cylindrical mouth and neck is formed to be larger than the maximum diameter of the nozzle, and the cap outer protrusion is provided on the outer peripheral surface of the proximal end of the cylindrical mouth and neck. The cap includes a pair of locking pieces extending along the cylindrical mouth-neck portion at the inner top portion thereof and arranged in the radial direction of the cylindrical mouth-neck portion, and the cap is attached to the container body with the cylinder When installed along the axial direction of the neck and neck, the cylindrical mouth and neck are inserted between the locking pieces. Is configured such that the locking pieces the locking protrusions are inserted the cap locking recess formed in the distal end portion of the opposing surface of the is locked relative to the container body Te, each engagement stop piece, the opposing surface is in contact with the outer peripheral surface of the tubular outlet neck during cap mounting to said container body, said tubular outlet neck while corresponding with said nozzle opening and the seal portion by this contact The opposing surface is formed in an arc shape corresponding to the outer peripheral surface shape of the cylindrical mouth-and-neck portion over the entire longitudinal direction of each locking piece, so that the cap is guided along facing surface is shall have been intervals set so as to be in contact from the right and left sides with respect to the outer peripheral surface of the tubular outlet neck.

このような液体用容器によれば、容器本体の筒状口頸部の軸方向に沿ってキャップを装着すると、キャップの内側頂部に設けられる一対の係止片の間にノズル及び筒状口頸部が挿入されると共に、係止片の対向面が筒状口頸部の外周面に接触することにより筒状口頸部の軸方向に沿ってキャップが案内される。このように各係止片の対向面に沿ってキャップが案内されることでシール部に対してノズル口が位置決めされる。そして、筒状口頸部の軸方向に沿って所定の終端位置までキャップが押し込まれると、各係止片の対向面に形成される係止用凹部に筒状口頸部の前記係止用突起が挿入され、その結果、キャップが容器本体に対して係止される。このような液体用容器によれば、従来のように、キャップに設けた案内部に沿ってノズル部を接触させて案内することがないので、当該接触に伴うノズルの変形等を未然に防止することが可能となる。しかも、キャップを容器本体に係止するための係止片に筒状口頸部の案内面を一体に設けているので、合理的な構成で上記のような作用を享受することが可能となる。
According to such a liquid container, when the cap is attached along the axial direction of the cylindrical mouth and neck portion of the container body, the nozzle and the cylindrical mouth and neck are interposed between the pair of locking pieces provided on the inner top portion of the cap. The cap is guided along the axial direction of the cylindrical mouth-neck portion by inserting the portion and the opposing surface of the locking piece contacting the outer peripheral surface of the cylindrical mouth-neck portion. In this manner, the nozzle is positioned with respect to the seal portion by guiding the cap along the opposing surface of each locking piece. Then, when the cap is pushed to the predetermined end position along the axial direction of the cylindrical mouth-neck portion, the locking portion of the cylindrical mouth-neck portion is inserted into the locking recess formed on the opposing surface of each locking piece. The protrusion is inserted, so that the cap is locked against the container body. According to such a liquid container, the nozzle portion is not brought into contact with the guide portion provided along the guide portion provided in the cap as in the conventional case, so that deformation of the nozzle associated with the contact is prevented in advance. It becomes possible. In addition, since the guide surface of the cylindrical mouth / neck portion is integrally provided on the locking piece for locking the cap to the container body, it is possible to enjoy the above-described operation with a rational configuration. .

なお、上記のような構成は、上記ノズル部の外周に、前記最大径部分としてリング状突起が形成されているような構成において特に有用となる。   The above configuration is particularly useful in a configuration in which a ring-shaped protrusion is formed as the maximum diameter portion on the outer periphery of the nozzle portion.

すなわち、ノズル部の外周にリング状突起を形成することによりノズル部からの液垂れを防止し、又容器本体の姿勢（滴下角度）によらず液滴を良好に形成して滴下操作性を向上させることが行われるが、上記構成によれば、キャップ装着操作に際して、キャップに設けられた案内部に沿ってノズル部を接触させて案内する構成ではないため、リング状突起の変形等を未然に防止することができ、その結果、上記機能を長期的に良好に保つことが可能となる。   That is, by forming a ring-shaped protrusion on the outer periphery of the nozzle part, liquid dripping from the nozzle part is prevented, and droplets are formed well regardless of the attitude (dropping angle) of the container body, improving the drip operability. However, according to the above configuration, when the cap is mounted, the nozzle portion is not brought into contact with the guide portion provided on the cap to guide the ring-shaped projection. As a result, it is possible to keep the above functions good in the long term.

本発明によると、キャップ装着操作において、容器本体に対してキャップを案内しつつシール部に対してノズル口を適切に位置決めできるようにする一方で、ノズル部の変形等を未然に防止することができる。   According to the present invention, in the cap mounting operation, it is possible to appropriately position the nozzle port with respect to the seal portion while guiding the cap with respect to the container body, while preventing the deformation of the nozzle portion in advance. it can.

本発明の好ましい実施の形態について図面を用いて説明する。   A preferred embodiment of the present invention will be described with reference to the drawings.

図１及び図２は、本発明に係る液体用容器の要部を示しており、図１（ａ）及び図２は縦断面図で、図１（ｂ）は平断面図でそれぞれ液体用容器を概略的に示している。   1 and 2 show the main part of a liquid container according to the present invention. FIGS. 1 (a) and 2 are longitudinal sectional views, and FIG. 1 (b) is a flat sectional view, respectively. Is shown schematically.

同図に示す液体用容器（以下、容器と略す）は、いわゆるツイストキャップタイプの容器である。この容器は、当実施形態では点眼薬用の容器であり、ノズル部１４を備える容器本体１と、ノズル部１４に被さるようにこの容器本体１に着脱可能に装着されるキャップ２とから構成されており、点眼時には、キャップ２を外した状態でノズル部先端を下向きにし、容器本体１を軽く押圧して当該容器本体１に収容された薬剤をノズル部先端から滴下させる構成となっている。   A liquid container (hereinafter abbreviated as a container) shown in the figure is a so-called twist cap type container. This container is a container for eye drops in this embodiment, and is composed of a container body 1 having a nozzle portion 14 and a cap 2 that is detachably attached to the container body 1 so as to cover the nozzle portion 14. At the time of instillation, the tip of the nozzle part is directed downward with the cap 2 removed, and the container main body 1 is lightly pressed to drop the medicine stored in the container main body 1 from the tip of the nozzle part.

容器本体１は、図１（ｂ）に示すように前後方向（同図では上下方向）に扁平に形成されている。この容器本体１は、その上部中央位置に、ショルダ部１０を介して断面円形の円筒状口頸部１２を有し、この円筒状口頸部１２の上部に前記ノズル部１４を備えた構成とされており、ノズル部１４以外の部分が、例えばポリプロピレン、ポリエチレン、ポリエチレンテレフタレート等の合成樹脂により一体成型されている。   The container body 1 is formed flat in the front-rear direction (vertical direction in the figure) as shown in FIG. The container body 1 has a cylindrical mouth-and-neck portion 12 having a circular cross section through a shoulder portion 10 at the upper center position, and the nozzle portion 14 is provided on the upper portion of the cylindrical mouth-and-neck portion 12. The portions other than the nozzle portion 14 are integrally formed of a synthetic resin such as polypropylene, polyethylene, or polyethylene terephthalate.

ノズル部１４は、上記円筒状口頸部１２等とは別に形成された軸状のノズル体が前記円筒状口頸部１２に圧入されることにより容器本体１に一体に設けられている。このノズル部１４は、例えば低密度ポリエチレン、直鎖状低密度ポリエチレン、高密度ポリエチレン、ポリプロピレン等の軟性合成樹脂により成型されている。   The nozzle portion 14 is provided integrally with the container body 1 by press-fitting an axial nozzle body formed separately from the cylindrical mouth-neck portion 12 and the like into the cylindrical mouth-neck portion 12. The nozzle portion 14 is formed of a soft synthetic resin such as low density polyethylene, linear low density polyethylene, high density polyethylene, or polypropylene.

ノズル部１４は、同図に示すように、外周にリング状突起１５を備えると共に、当該リング状突起１５よりも基端側（下側）にくびれ部を備えている。つまり、ノズル部１４からの液垂れをリング状突起１５で防止すると共に、点眼時には、容器本体１の姿勢（滴下角度）に拘わらずリング状突起１５の部分に良好に液滴が形成される構成となっている。   As shown in the figure, the nozzle portion 14 includes a ring-shaped protrusion 15 on the outer periphery, and a constricted portion on the base end side (lower side) of the ring-shaped protrusion 15. That is, the liquid dripping from the nozzle portion 14 is prevented by the ring-shaped protrusion 15, and at the time of instillation, droplets are favorably formed on the ring-shaped protrusion 15 regardless of the attitude (dropping angle) of the container body 1. It has become.

なお、前記円筒状口頸部１２は、その外径寸法がノズル部１４の最大径寸法（当実施形態ではリング状突起１５の外径寸法）よりも大きく設定されており、これにより容器本体１にキャップ２が装着された状態（以下、単にキャップ装着状態という）では、キャップ２の後記係止アーム２４とノズル部１４との間に隙間が形成され、キャップ２とリング状突起１５とが非接触となるように構成されている。   The outer diameter of the cylindrical mouth / neck portion 12 is set to be larger than the maximum diameter of the nozzle portion 14 (in this embodiment, the outer diameter of the ring-shaped protrusion 15). When the cap 2 is attached to the cap 2 (hereinafter simply referred to as the cap attachment state), a gap is formed between the later-described locking arm 24 of the cap 2 and the nozzle portion 14, and the cap 2 and the ring-shaped protrusion 15 are not connected. It is configured to be in contact.

キャップ２は、図１（図１（ｂ）では便宜上、キャップ２はその一部のみ示している）、図２に示すように、ショルダ部１０よりも上側部分に被さるように有頂筒状に形成されると共に、容器本体１に装着された状態で、同図に示すように、容器本体１の側面とキャップ２の側面とが上下方向に連続した滑らか外形ラインを形成するように構成されている。キャップ２は、容器本体１と同様に、例えばポリプロピレン、ポリエチレン、ポリスチレン等の合成樹脂から形成されるが、容器本体１に比べると若干硬質の構成とされている。   As shown in FIG. 1 (only part of the cap 2 is shown for convenience in FIG. 1B) and FIG. 2, the cap 2 has a top tube shape so as to cover the upper portion of the shoulder portion 10. As shown in the figure, the side surface of the container main body 1 and the side surface of the cap 2 are configured to form a smooth outer shape line that is continuous in the vertical direction. Yes. The cap 2 is formed of, for example, a synthetic resin such as polypropylene, polyethylene, or polystyrene, as with the container main body 1, but is slightly harder than the container main body 1.

キャップ２の内側頂面２０には、その中央部に栓突起２２（本発明に係るシール部に相当する）が下向きに突設されており、キャップ装着状態では、この栓突起２２がノズル部１４のノズル口１４ａに挿入されてその内周面に密接し、その結果、ノズル口１４ａがシールされる構成となっている。   A cap projection 22 (corresponding to a seal portion according to the present invention) is provided on the inner top surface 20 of the cap 2 so as to protrude downward at the center thereof. The nozzle port 14a is inserted into close contact with the inner peripheral surface, and as a result, the nozzle port 14a is sealed.

キャップ２の内側頂面２０には、さらに栓突起２２を挟んでその左右両側に係止アーム２４（本発明に係る係止片に相当する）が一体に形成されている。   A locking arm 24 (corresponding to a locking piece according to the present invention) is integrally formed on the inner top surface 20 of the cap 2 on both the left and right sides of the plug projection 22.

これら係止アーム２４は、前記円筒状口頸部１２の軸方向に沿って設けられると共に、その先端であって互いの対向面２６には係止用凹部２８が形成されており、キャップ装着状態では、図１（ａ）に示すように、前記ノズル部１４及び円筒状口頸部１２がこれら係止アーム２４の間に挿入されると共に、円筒状口頸部１２の基端部外周に形成される係止用突起１２ａがこれら係止用凹部２８内に挿入され、これによりキャップ２が係止アーム２４を介して容器本体１に係止される構成となっている。   These locking arms 24 are provided along the axial direction of the cylindrical mouth-and-neck portion 12, and a locking recess 28 is formed at the front end of each of the locking arms 24 and facing each other. Then, as shown in FIG. 1A, the nozzle portion 14 and the cylindrical mouth / neck portion 12 are inserted between the locking arms 24 and formed on the outer periphery of the proximal end portion of the cylindrical mouth / neck portion 12. The locking projections 12 a are inserted into the locking recesses 28, whereby the cap 2 is locked to the container body 1 via the locking arm 24.

各係止アーム２４は、アーム長手方向の全体に亘って対向面２６の断面形状が前記円筒状口頸部１２の外周面形状に対応する円弧状に形成されると共に、各対向面２６が円筒状口頸部１２の外周面に対して左右両側から当接するように間隔設定されており、この構成により、キャップ装着操作時には、後述するように前記栓突起２２とノズル口１４ａとが位置決めされるようになっている。つまり、この実施形態では、これら対向面２６が本発明に係る案内面に相当する。なお、各係止アーム２４の対向面２６の先端部分には丸味を帯びたテーパ２９が形成されており、キャップ装着操作時には、両係止アーム２４の間へのノズル部１４の円滑な挿入が可能となっている。   Each locking arm 24 is formed so that the cross-sectional shape of the opposing surface 26 is an arc corresponding to the outer peripheral surface shape of the cylindrical mouth-and-neck portion 12 throughout the longitudinal direction of the arm, and each opposing surface 26 is cylindrical. The gap is set so as to come into contact with the outer peripheral surface of the neck-and-neck portion 12 from both the left and right sides. With this configuration, the cap projection 22 and the nozzle port 14a are positioned as will be described later during the cap mounting operation. It is like that. That is, in this embodiment, these opposing surfaces 26 correspond to guide surfaces according to the present invention. In addition, a rounded taper 29 is formed at the tip of the opposing surface 26 of each locking arm 24, so that the nozzle portion 14 can be smoothly inserted between the both locking arms 24 during the cap mounting operation. It is possible.

以上のように構成された容器では、点眼時には、図１（ａ）に示すキャップ装着状態から円筒状口頸部１２回りにキャップ２を９０°程度回転させ、これによりキャップ２を容器本体１から取り外す。すなわち、キャップ２を回転させると容器本体１のショルダ部１０にキャップ２が乗り上げ、この乗り上げに伴いキャップ２が上方に押し上げられて各係止アーム２４と円筒状口頸部１２との係止状態が解除される。従って、その後、円筒状口頸部１２に沿ってキャップ２を容器本体１から取り外すことで点眼が可能となる。   In the container configured as described above, when instilled, the cap 2 is rotated about 90 ° around the cylindrical mouth-neck portion 12 from the cap-mounted state shown in FIG. Remove. That is, when the cap 2 is rotated, the cap 2 rides on the shoulder portion 10 of the container body 1, and the cap 2 is pushed upward along with this riding, and the locking arm 24 and the cylindrical mouth and neck portion 12 are locked. Is released. Accordingly, after that, the cap 2 is removed from the container main body 1 along the cylindrical mouth-neck portion 12 to enable instillation.

一方、使用後は、容器本体１の円筒状口頸部１２に沿ってキャップ２を装着する。この際、円筒状口頸部１２に沿ってキャップ２を装着操作すると、図３に示すように、両係止アーム２４の間にノズル部１４及び円筒状口頸部１２が挿入され、係止アーム２４の対向面２６が円筒状口頸部１２の外周面に接触することによりキャップ２が円筒状口頸部１２に沿って案内される。このように各係止アーム２４の対向面２６に沿ってキャップ２が案内されることで栓突起２２に対してノズル口１４ａが位置決めされ、栓突起２２が当該ノズル口１４ａに良好に挿入される。この際、上記容器は、円筒状口頸部１２の外径寸法がノズル部１４の最大径寸法（リング状突起１５の外径寸法）よりも大きく設定されているため係止アーム２４とリング状突起１５とが接触することがない。   On the other hand, after use, the cap 2 is attached along the cylindrical mouth-neck portion 12 of the container body 1. At this time, when the cap 2 is attached and operated along the cylindrical mouth-and-neck portion 12, the nozzle portion 14 and the cylindrical mouth-and-neck portion 12 are inserted between the locking arms 24 as shown in FIG. The cap 2 is guided along the cylindrical mouth / neck portion 12 by the opposing surface 26 of the arm 24 coming into contact with the outer peripheral surface of the cylindrical mouth / neck portion 12. Thus, the cap 2 is guided along the opposing surface 26 of each locking arm 24, whereby the nozzle port 14a is positioned with respect to the plug projection 22, and the plug projection 22 is inserted into the nozzle port 14a satisfactorily. . At this time, since the outer diameter dimension of the cylindrical mouth-and-neck part 12 is set larger than the maximum diameter dimension of the nozzle part 14 (the outer diameter dimension of the ring-shaped protrusion 15), the container has a ring-like shape with the locking arm 24. There is no contact with the protrusion 15.

そして、円筒状口頸部１２に沿って所定の終端位置までキャップ２を押し込むと、係止アーム２４が適度に弾性変位して各係止アーム２４の係止用凹部２８に円筒状口頸部１２の係止用突起１２ａが挿入され、これによってキャップ２が容器本体１に係止される。   When the cap 2 is pushed along the cylindrical mouth / neck portion 12 to a predetermined end position, the locking arm 24 is elastically displaced moderately, and the cylindrical mouth / neck portion is inserted into the locking recess 28 of each locking arm 24. Twelve locking projections 12 a are inserted, whereby the cap 2 is locked to the container body 1.

このように上記容器では、キャップ装着時、各係止アーム２４を円筒状口頸部１２に接触させてキャップ２を案内しつつノズル口１４ａに栓突起２２を挿入する構成であるため、キャップに設けた案内面に沿ってノズル部を接触させて案内する従来の容器のように、キャップの脱着に伴いノズル部が変形等するおそれが無い。従って、ノズル部１４の変形等により薬剤の滴下性能が損なわれるといった不都合を未然に防止することが可能となる。   As described above, in the container, the cap projection 22 is inserted into the nozzle port 14a while the cap 2 is guided by bringing the locking arms 24 into contact with the cylindrical mouth / neck portion 12 when the cap is mounted. There is no possibility that the nozzle part is deformed or the like as the cap is detached, unlike a conventional container that guides the nozzle part by bringing it into contact with the provided guide surface. Therefore, it is possible to prevent inconvenience that the dropping performance of the medicine is impaired due to deformation of the nozzle portion 14 or the like.

特に、上記容器は、ノズル部１４にリング状突起１５が設けられ、ノズル部１４からの液垂れをリング状突起１５で防止すると共に、点眼時には、容器本体１の姿勢（滴下角度）に拘わらずリング状突起１５の部分に良好に液滴を形成して点眼操作性を向上させる構成となっているが、上記の通りキャップ２の脱着に伴うノズル部１４（特に、リング状突起１５）の変形等を未然に防止できるため、上記機能を長期的に良好に保つことができる。   In particular, the container is provided with a ring-shaped projection 15 on the nozzle portion 14 to prevent liquid dripping from the nozzle portion 14 with the ring-shaped projection 15, and at the time of instillation, regardless of the posture (dropping angle) of the container body 1. Although the droplets are favorably formed on the ring-shaped protrusion 15 to improve the eye drop operability, the nozzle portion 14 (particularly, the ring-shaped protrusion 15) is deformed as the cap 2 is detached. Therefore, the above functions can be kept good in the long term.

また、円筒状口頸部１２に対応する円弧状の対向面２６を当該円筒状口頸部１２の外周面に広く接触させた状態でキャップ２を円筒状口頸部１２に沿って案内するため、キャップ装着操作において、キャップ２を円筒状口頸部１２に沿って安定的に案内しながらノズル口１４ａに栓突起２２を挿入することができる。   Further, in order to guide the cap 2 along the cylindrical mouth / neck portion 12 in a state where the arcuate facing surface 26 corresponding to the cylindrical mouth / neck portion 12 is in wide contact with the outer peripheral surface of the cylindrical mouth / neck portion 12. In the cap mounting operation, the plug protrusion 22 can be inserted into the nozzle port 14a while stably guiding the cap 2 along the cylindrical mouth / neck portion 12.

しかも、上記容器は、ツイストキャップタイプの容器に特有の構成である係止アーム２４に着目し、係止アーム２４の対向面２６を被案内面として利用することによりキャップ２を円筒状口頸部１２に沿って案内する構成としているので、合理的な構成で上記の作用効果を享受することができるという利点もある。   In addition, the container focuses on the locking arm 24 which is a configuration peculiar to the twist cap type container, and the cap 2 is used in the cylindrical mouth-neck portion by using the opposing surface 26 of the locking arm 24 as a guided surface. Since it is set as the structure guided along 12, there also exists an advantage that said operation effect can be enjoyed with a rational structure.

加えて、上記の容器によれば、ノズル部１４の形状のみが異なる他の容器との間でキャップ２を共用することが可能になるという利点もある。つまり、キャップに設けた案内面に沿ってノズル部を接触させて案内する従来容器では、キャップ側にノズル部の形状に応じた案内面を設ける必要があるため、ノズル部の外径寸法が異なる容器本体についてはそれぞれ専用のキャップが必要となる。これに対して上記実施形態の容器のように円筒状口頸部１２に沿ってキャップ２を案内する構成によると、ノズル部１４の最大径寸法が円筒状口頸部１２の外径寸法よりも小さければ、ノズル部１４の具体的な形状に関わらず円筒状口頸部１２に沿って良好にキャップ２を案内することができる。具体的には、図４に示すように、先端先細りのノズル部１４を有する容器本体１や、図５に示すように、外径寸法がほぼ軸方向に一定の円筒形状のノズル部１４を有する容器本体１についてもキャップ２を共通使用することが可能であり、上記実施形態と同様の作用効果を享受することができる。特に、図４のような容器本体１は、液滴量を抑えると共に、滴下目標を定め易くするためにノズル部１４が先端先細りの形状（テーパ形状）とされており、キャップに設けた案内部に沿ってノズル部を接触させて案内する従来の容器では、ノズル部を安定的に案内することが難しいため十分なガイド効果が得られず、またキャップの脱着に伴うノズル部の変形等により当該機能が損なわれるおそれがあるが、上記実施形態の容器によれば、このような不都合を未然に回避することができる。従って、ノズル部１４の形状のみが異なる複数種類の容器本体１の間でキャップ２を共用することが可能となり、その結果、容器の製造を合理的に行うことができると共に在庫管理の負担を軽減することができるという利点がある。   In addition, according to said container, there also exists an advantage that it becomes possible to share the cap 2 with the other container from which only the shape of the nozzle part 14 differs. That is, in the conventional container that guides the nozzle portion by bringing it into contact with the guide surface provided on the cap, it is necessary to provide a guide surface according to the shape of the nozzle portion on the cap side, so the outer diameter of the nozzle portion is different. A dedicated cap is required for each container body. On the other hand, according to the configuration in which the cap 2 is guided along the cylindrical mouth and neck portion 12 as in the container of the above embodiment, the maximum diameter size of the nozzle portion 14 is larger than the outer diameter size of the cylindrical mouth and neck portion 12. If it is small, the cap 2 can be guided well along the cylindrical mouth-neck portion 12 regardless of the specific shape of the nozzle portion 14. Specifically, as shown in FIG. 4, the container body 1 has a nozzle portion 14 with a tapered tip, and the cylindrical nozzle portion 14 has an outer diameter dimension that is substantially constant in the axial direction as shown in FIG. The cap 2 can be used in common for the container body 1 as well, and the same operational effects as in the above embodiment can be enjoyed. In particular, the container body 1 as shown in FIG. 4 has a nozzle portion 14 having a tapered tip (taper shape) in order to reduce the amount of liquid droplets and make it easy to determine a dropping target, and a guide portion provided on the cap. In the conventional container that guides the nozzle part by contacting the nozzle part, it is difficult to stably guide the nozzle part, so that a sufficient guide effect cannot be obtained, and the nozzle part is deformed due to the removal of the cap. Although the function may be impaired, according to the container of the above embodiment, such inconvenience can be avoided in advance. Accordingly, it is possible to share the cap 2 among a plurality of types of container main bodies 1 that differ only in the shape of the nozzle portion 14, and as a result, the container can be manufactured rationally and the burden of inventory management can be reduced. There is an advantage that you can.

なお、上述した容器は、本発明に係る液体用容器の好ましい実施形態の一例であって、その具体的な構成は、本発明の要旨を逸脱しない範囲で適宜変更可能である。   In addition, the container mentioned above is an example of preferable embodiment of the container for liquids concerning this invention, The specific structure can be suitably changed in the range which does not deviate from the summary of this invention.

例えば、ノズル部１４の具体的な形状は、上述した通り、図１、図４及び図５に示した形状以外のものであってもよい。また、実施形態では、係止アーム２４の対向面２６が円筒状口頸部１２の外周面形状に対応する円弧状に形成されることによって、キャップ２の被案内面が円筒状口頸部１２に対してその周方向に連続して接触する構成となっているが、例えば図６に示すように、キャップ２の被案内面は、円筒状口頸部１２に対してその周方向に断続的に接触する構成であってもよい。具体的には、各係止アーム２４の対向面２６に円筒状口頸部１２に沿って延びる突条２６ａが突設されており、これら突条２６ａが円筒状口頸部１２の外周面に接触する構成であってもよい。この場合、係止用凹部２８はこの対向面２６の途中部分に形成される。   For example, the specific shape of the nozzle portion 14 may be other than the shape shown in FIGS. 1, 4 and 5 as described above. In the embodiment, the opposed surface 26 of the locking arm 24 is formed in an arc shape corresponding to the outer peripheral surface shape of the cylindrical mouth-and-neck portion 12, so that the guided surface of the cap 2 is the cylindrical mouth-and-neck portion 12. For example, as shown in FIG. 6, the guided surface of the cap 2 is intermittent in the circumferential direction with respect to the cylindrical mouth and neck portion 12. The structure which contacts may be sufficient. Specifically, protrusions 26 a extending along the cylindrical mouth and neck portion 12 are provided on the opposing surfaces 26 of the respective locking arms 24, and these protrusions 26 a are formed on the outer peripheral surface of the cylindrical mouth and neck portion 12. The structure which contacts may be sufficient. In this case, the locking recess 28 is formed in the middle portion of the facing surface 26.

また、実施形態では、本発明の液体用容器を点眼薬用の容器として適用した場合の例について説明したが、本発明の液体用容器は、勿論、点眼薬用の容器以外の用途、例えば点鼻薬やコンタクトレンズ洗浄液等の容器についても適用可能である。   Further, in the embodiment, an example in which the liquid container of the present invention is applied as a container for eye drops has been described, but the liquid container of the present invention is, of course, used for applications other than eye drop containers, such as nasal drops and It can also be applied to containers such as contact lens cleaning solutions.

本発明に係る液体用容器の要部を示す概略断面図である（（ａ）は縦断面図、（ｂ）は平断面図（（ａ）のI−I線断面図））である。It is a schematic sectional drawing which shows the principal part of the container for liquids concerning this invention ((a) is a longitudinal cross-sectional view, (b) is a plane sectional view (II sectional view taken on the line I-I)). 液体用容器の要部を示す縦断面図（図１（ａ）のII−II線断面図）である。It is a longitudinal cross-sectional view (II-II sectional view taken on the line of Fig.1 (a)) which shows the principal part of the container for liquids. キャップ装着操作中の状態を示す液体用容器の縦断面図（図１（ａ）に対応する図）である。It is a longitudinal cross-sectional view (the figure corresponding to Fig.1 (a)) of the container for liquids which shows the state in cap mounting operation. ノズル部の形状が異なる他の液体用容器の要部を示す概略断面図である（図１（ａ）に対応する図）である。It is a schematic sectional drawing which shows the principal part of the other container for liquids from which the shape of a nozzle part differs (the figure corresponding to Fig.1 (a)). ノズル部の形状が異なる他の液体用容器の要部を示す概略断面図である（図１（ａ）に対応する図）である。It is a schematic sectional drawing which shows the principal part of the other container for liquids from which the shape of a nozzle part differs (the figure corresponding to Fig.1 (a)). 係止アーム（対向面）の形状が異なる他の液体用容器の要部を示す概略断面図である（図１（ｂ）に対応する図）である。It is a schematic sectional drawing which shows the principal part of the other liquid container from which the shape of a latching arm (opposing surface) differs (drawing corresponding to FIG.1 (b)).

符号の説明Explanation of symbols

１ 容器本体
２ キャップ
１０ ショルダ部
１２ 円筒状口頸部
１２ａ 係止用突起
２２ 栓突起
２４ 係止アーム
２６ 対向面（案内面）
２８ 係止用凹部 DESCRIPTION OF SYMBOLS 1 Container main body 2 Cap 10 Shoulder part 12 Cylindrical mouth neck part 12a Locking protrusion 22 Plug protrusion 24 Locking arm 26 Opposing surface (guide surface)
28 Recess for locking

Claims (2)

筒状口頸部を有し、この筒状口頸部の先端にノズル部を一体的に備える容器本体と、ノズル口をシールするシール部を具備し、前記ノズル部及び筒状口頸部に被さるように前記容器本体に対して装着される有頂筒状のキャップとを備えた液体用容器において、
前記容器本体は、前記筒状口頸部の外径寸法が前記ノズル部の最大径寸法よりも大きく形成され、かつこの筒状口頸部の基端部外周面に前記キャップの係止用突起を備えた構成とされ、
前記キャップは、その内側頂部に前記筒状口頸部に沿って延び、かつ前記筒状口頸部の径方向に並ぶ一対の係止片を備え、前記容器本体に対してキャップを前記筒状口頸部の軸方向に沿って装着すると、各係止片の間に前記筒状口頸部が挿入されて当該係止片の対向面の先端部に形成される係止用凹部に前記係止用突起が挿入されて当該キャップが前記容器本体に対して係止されるように構成され、
前記各係止片は、前記容器本体に対するキャップ装着の際に前記対向面が前記筒状口頸部の外周面に接触し、この接触により前記ノズル口とシール部とを対応させつつ前記筒状口頸部に沿って前記キャップが案内されるように、前記対向面が前記各係止片の長手方向の全体に亘って前記筒状口頸部の外周面形状に対応する円弧状に形成され、かつ当該対向面が筒状口頸部の外周面に対して左右両側から当接するように間隔設定されていることを特徴とする液体用容器。 A container body having a cylindrical mouth and neck portion, and a nozzle body integrally provided at the tip of the cylindrical mouth and neck portion, and a seal portion for sealing the nozzle port, the nozzle portion and the cylindrical mouth and neck portion are provided. In a liquid container provided with a cap with a crest attached to the container body so as to cover,
The container body has an outer diameter dimension of the cylindrical mouth-and-neck part larger than a maximum diameter dimension of the nozzle part, and a locking projection of the cap on the outer peripheral surface of the proximal end of the cylindrical mouth-neck part It is configured with
The cap includes a pair of locking pieces extending along the cylindrical mouth-neck portion at an inner top portion thereof and arranged in the radial direction of the cylindrical mouth-neck portion, and the cap is disposed on the tubular body with respect to the container body When mounted along the axial direction of the mouth-and-neck portion, the cylindrical mouth-neck portion is inserted between the respective locking pieces, and the engaging recess is formed in the locking recess formed at the tip of the opposing surface of the locking piece. A stopper protrusion is inserted and the cap is configured to be locked to the container body;
Wherein each locking piece, wherein the facing surface when the cap mounting is in contact with the outer peripheral surface of the tubular outlet neck for the container body, the tubular while corresponding with said nozzle opening and the seal portion by this contact The opposing surface is formed in an arc shape corresponding to the outer peripheral surface shape of the cylindrical mouth-neck portion over the entire longitudinal direction of each locking piece so that the cap is guided along the mouth-neck portion. and liquid container to which the opposing surface is characterized that you have been intervals set so as to be in contact from the right and left sides with respect to the outer peripheral surface of the tubular outlet neck. 請求項１に記載の液体用容器において、
前記ノズル部には、その外周に、前記最大径部分としてリング状突起が形成されていることを特徴とする液体用容器。
The liquid container according to claim 1,
Wherein the nozzle portion on its outer periphery, the liquid container characterized that you have a ring-shaped projection is formed as the maximum diameter portion.
JP2008100323A 2008-04-08 2008-04-08 Container for liquid Active JP5314318B2 (en)

Priority Applications (6)

Application Number Priority Date Filing Date Title
JP2008100323A JP5314318B2 (en) 2008-04-08 2008-04-08 Container for liquid
CN2009801125336A CN101983164A (en) 2008-04-08 2009-03-31 Liquid container
EP09731085A EP2287083A4 (en) 2008-04-08 2009-03-31 Liquid container
US12/936,401 US20110024426A1 (en) 2008-04-08 2009-03-31 Liquid container
PCT/JP2009/056601 WO2009125691A1 (en) 2008-04-08 2009-03-31 Liquid container
TW098111475A TWI444313B (en) 2008-04-08 2009-04-07 Liquid containers

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WO2009125691A1 (en) 2009-10-15
EP2287083A4 (en) 2012-12-19
EP2287083A1 (en) 2011-02-23
TW200951032A (en) 2009-12-16
TWI444313B (en) 2014-07-11
US20110024426A1 (en) 2011-02-03
JP2009249007A (en) 2009-10-29
CN101983164A (en) 2011-03-02

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