JP4447937B2 - Thin plastic container - Google Patents

Thin plastic container Download PDF

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JP4447937B2
JP4447937B2 JP2004044818A JP2004044818A JP4447937B2 JP 4447937 B2 JP4447937 B2 JP 4447937B2 JP 2004044818 A JP2004044818 A JP 2004044818A JP 2004044818 A JP2004044818 A JP 2004044818A JP 4447937 B2 JP4447937 B2 JP 4447937B2
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spout
container
sealing
synthetic resin
opening
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JP2005231688A (en
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伸夫 山中
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Yoshino Kogyosho Co Ltd
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Description

本発明は、合成樹脂製のフィルムや金属製のフィルムを積層して構成されるパウチ容器の代替に適した薄肉容器に関するものであり、注出口の経路を確保して詰め替えるべき内容物を効率よく供給するとともに容器の再密封を可能にしようとするものである。   The present invention relates to a thin-walled container suitable for replacing a pouch container formed by laminating a film made of synthetic resin or a metal film, and efficiently secures the contents to be refilled by securing a route for a spout. It is intended to allow the container to be resealed while being supplied.

近年、シャンプーやリンス、液体石鹸、化粧料等の液状物を充填しておく容器としては、その口部にディスペンサーを装着して内容物の適量注出を可能とした据え置きタイプの大型の容器が使用されるようになってきており、かかる容器への内容物の補充は、省資源化、廃棄性に有利なパウチ容器や薄肉のブローボトルが使用されている（例えば、特許文献１参照）。   In recent years, as a container for filling liquid items such as shampoo, rinse, liquid soap, cosmetics, etc., there is a stationary large container that can be dispensed with an appropriate amount by installing a dispenser in its mouth. In order to replenish contents in such containers, pouch containers and thin blow bottles that are advantageous in terms of resource saving and disposal are used (see, for example, Patent Document 1).

特開平１１−１３０１１２号公報JP-A-11-130112

ところで、従来の詰め替え容器のうち、パウチ容器は容器自体に張りがないため該容器の注出口を詰め替えるべき容器の口部に差し込むことができないこともあって詰め替え作業中に内容物がこぼれ出てしまう不利があった。   By the way, among the conventional refill containers, the pouch container has no tension on the container itself, so the outlet of the container cannot be inserted into the mouth of the container to be refilled. There was a disadvantage.

これに対してブローボトルは、薄肉化されているわりには容器にある程度の張りがありその注出口を詰め替えるべき容器の口部に差し込むことが可能であることからこの種の用途に適したものであって用途の拡大を図り得る可能性が存在していた。   Blow bottles, on the other hand, are suitable for this type of application because they have a certain degree of tension in the container and can be inserted into the mouth of the container to be refilled. Therefore, there was a possibility that the application could be expanded.

しかしながら、ブローボトルの注出口は本体部分と一体に成形されるのが普通であり、ボトルの開封時に栓体を引きちぎって開封する場合に、樹脂が延びてしまって開封しにくいことが想定され、この時、注出口の形状にも変形をきたすため、とくに粘度の高いものを内容物として充填されていると効率よく注出することができないことも懸念された。   However, the outlet of the blow bottle is usually molded integrally with the main body part, and when opening the bottle by tearing off the stopper, it is assumed that the resin extends and is difficult to open, At this time, since the shape of the spout is also deformed, there was a concern that it would not be able to be poured out efficiently when a high-viscosity product was filled as the contents.

また、詰め替え容器は、容器内の内容物を全て移し替えることが前提であり、開封した容器を密閉するような栓等は有していないのが普通であるが、内容物の詰め替え状況によっては全て移し替えることができない場合もあり容器を密閉できるようなリシール機構を付与することも望まれていた。   In addition, refill containers are premised on the transfer of all contents in the container, and usually do not have stoppers that seal the opened container, but depending on the refill status of the contents. In some cases, it may not be possible to transfer everything, and it has also been desired to provide a reseal mechanism that can seal the container.

本発明の課題は、注出口の経路を確保して内容物を効率的に注出することが可能で、かつ、詰め替えるべき内容物が残った場合であっても容器を密閉して保管することができる新規な薄肉容器を提案するところにある。   It is an object of the present invention to secure the passage of the spout and efficiently pour out the contents, and to keep the container sealed even when the contents to be refilled remain. It is in the place of proposing a new thin-walled container that can be used.

本発明は、胴体部分を減容させてその内部に収納した内容物を注出口より排出する合成樹脂製薄肉容器であって、
前記注出口が、胴体部分と一体的につながるノズル本体と、このノズル本体からの分離によって開封端を形成して注出口を開封する栓体とからなり、
前記注出口に、前記栓体に着脱自在に配置されるが、注出口の開封後にノズル本体に装着されて開封端を密閉するリキャップ用の密封栓を設け、
前記栓体に、注出口の開封前において前記密封栓に係合して該密封栓を保持する保持用突条を形成し、前記ノズル本体に、注出口の開封後において前記密封栓に係合して該開封端を密閉する突条を形成したことを特徴とする合成樹脂製薄肉容器である。 The present invention is a synthetic resin thin-walled container that reduces the volume of the body part and discharges the contents stored therein from the spout,
The spout is composed of a nozzle body integrally connected to the body portion, and a stopper for opening the spout by forming an opening end by separation from the nozzle body.
The spout is disposed detachably on the plug, but is provided with a sealing cap for recapping that is attached to the nozzle body after the spout is opened and seals the unsealed end ,
A retaining protrusion that holds the sealing plug by engaging the sealing plug before opening the spout is formed on the plug body, and is engaged with the sealing plug after opening the spout on the nozzle body. Thus , a synthetic resin thin-walled container is characterized in that a protrusion for sealing the opening end is formed .

上記の構成になる合成樹脂製薄肉容器において、前記密封栓はアンダーカットによる係合若しくはねじ止めによって係合されるものが好ましい。   In the synthetic resin thin-walled container having the above-described configuration, it is preferable that the sealing stopper is engaged by undercut engagement or screwing.

また、前記密封栓は、開封端に入り込んでその形状を保持する環状体を設けることができる。 In addition, the sealing plug can be provided with an annular body that enters the opening end and maintains its shape.

さらに、注出口を含む容器の全体はブロー成形によって成形されたものであり、密封栓はインジェクション成形によって成形されたものを適用する。   Furthermore, the whole container including the spout is formed by blow molding, and the sealing plug is formed by injection molding.

栓体に取り付けられている密閉栓を取り外してノズル本体の開封端に装着することによって容器の密閉が可能になる。   The container can be sealed by removing the sealing stopper attached to the stopper and attaching it to the opening end of the nozzle body.

密閉栓を装着しておくことで注出口の形状変形が避けられるため（注出路の確保が可能）粘度の高い内容物であっても効率よく注出することができる。   Since the shape of the spout can be avoided by attaching a sealing plug (a passage can be secured), even a highly viscous content can be poured out efficiently.

以下、図面を用いて本発明をより具体的に説明する。
図１、図２（ａ）（ｂ）は本発明にしたがう薄肉容器の実施の形態を示したものであり、図１は容器の側面図、図２（ａ）（ｂ）は開封前後における注出口の拡大図である。 Hereinafter, the present invention will be described more specifically with reference to the drawings.
1, 2 (a) and 2 (b) show an embodiment of a thin-walled container according to the present invention, FIG. 1 is a side view of the container, and FIGS. 2 (a) and 2 (b) are notes before and after opening. It is an enlarged view of an exit.

図における１は減容可能な胴体部分を有する容器本体、２は容器本体１に設けられた注出口である。注出口２は容器本体１の胴体部分と一体的につながるノズル本体２ａと、このノズル本体２ａからの引きちぎり又は切断によって開封する栓体２ｂからなっている。この注出口２は容器本体1の肉厚と比較して僅かに厚肉に形成されており、注出口２の開口形状が維持できるように注出口２に張りを持たせている。さらには、この注出口２にはノズル本体２ａにねじ又はアンダーカットを構成する突条２ａ １ が、栓体２ｂには開封前に後述の密封栓を保持する保持用突条（ねじ・アンダーカット等、突起でも可）２ｂ １ が形成されており、これら部位の存在によりさらにその剛性が高められている。これにより注出時においても注出口２の形状が保持されることとなり、内容物の効率的な注出が行える。 In the figure, reference numeral 1 denotes a container body having a volume-reducing body portion, and 2 denotes a spout provided in the container body 1. The spout 2 includes a nozzle body 2a that is integrally connected to the body portion of the container body 1, and a plug 2b that is opened by tearing or cutting from the nozzle body 2a. The spout 2 is formed to be slightly thicker than the wall thickness of the container body 1, and the spout 2 is stretched so that the opening shape of the spout 2 can be maintained. Further, the spout 2 has a protrusion 2a 1 constituting a screw or undercut in the nozzle body 2a, and the stopper 2b has a holding protrusion (screw / undercut) for holding a sealing plug, which will be described later, before opening. 2b 1 is formed, and the rigidity thereof is further enhanced by the presence of these parts. As a result, the shape of the spout 2 is maintained even during pouring, and the contents can be efficiently poured out.

また、３はリキャップ用の密封栓である。この密封栓３は図２（ａ）に示すようにその内側に環状体３ａを有しており、容器の開封前はねじあるいはアンダーカットにて栓体２ｂに係合、配置（仮止め）されているが、容器の開封後においては図２（ｂ）に示すように、ノズル本体２ａにおいてアンダーカット４あるいはねじ５で係合させることでその開封端を密閉することができるようになっている。   Reference numeral 3 denotes a sealing cap for recapping. As shown in FIG. 2 (a), the sealing plug 3 has an annular body 3a on its inner side. Before opening the container, the sealing plug 3 is engaged and arranged (temporarily fixed) to the plug body 2b with a screw or undercut. However, after opening the container, as shown in FIG. 2 (b), the opening end can be sealed by engaging with the undercut 4 or the screw 5 in the nozzle body 2a. .

かかる密閉栓３によれば容器内に内容物が残存することがあっても容器の内外を確実にシールできるのでその保存が可能になる。   According to the sealing plug 3, even if the contents remain in the container, the inside and outside of the container can be reliably sealed, so that it can be stored.

また、密閉栓３はノズル本体２ａの開封端に装着されるため注出口２が外力によって変形することがなく、密閉栓３の取り外し後の注出時においても注出口２の形状が保持されることとなり、内容物の効率的な注出が行える。   Further, since the sealing plug 3 is attached to the opening end of the nozzle body 2a, the spout 2 is not deformed by an external force, and the shape of the spout 2 is maintained even when the sealing plug 3 is poured out. As a result, the contents can be efficiently dispensed.

密閉栓３の環状体３ａは図２（ｂ）に示す如くノズル本体２ａの開封端に入り込むことができるもので、これにより容器内の気密性を一層高めることができる。   The annular body 3a of the sealing plug 3 can enter the opening end of the nozzle body 2a as shown in FIG. 2 (b), thereby further improving the airtightness in the container.

注出口２を含む容器本体１はポリエチレン、ポリプロピレンなどのオレフィン系樹脂や公知の合成樹脂をブロー（ダイレクトブロー等）成形によって成形するが、密閉栓３は公知の樹脂をインジェクション成形等の成形手法（成形法はとくに限定されない）によって成形し、ある程度の剛性が確保できるようにしておく。また、容器本体１の層構成は単層に限るものではなくＥＶＯＨやナイロンなどのバリア性樹脂を積層した２層以上の構成を適宜選択することもできる。   The container body 1 including the spout 2 is formed by blow molding (direct blow or the like) of an olefin resin such as polyethylene or polypropylene or a known synthetic resin, while the sealing plug 3 is formed by molding a known resin by a molding technique such as injection molding ( The molding method is not particularly limited, and a certain degree of rigidity is ensured. Further, the layer structure of the container body 1 is not limited to a single layer, and a structure of two or more layers in which barrier resins such as EVOH and nylon are laminated can be appropriately selected.

本発明によれば、注出口剛性が容器本体と比較して高められているため、注出時において注出口の形状を保持することができ、粘度の違いにかかわりなく内容物を効率よく排出することが可能である。また、容器内に内容物が残った場合でもそのまま保存しておくことができると共に密閉性の存在により注出口２の外力による変形を防止することが可能で、残存内容物を効率よく排出することができる   According to the present invention, the rigidity of the spout is enhanced as compared with the container body, so that the shape of the spout can be maintained at the time of pouring, and the contents are efficiently discharged regardless of the difference in viscosity. It is possible. In addition, even if the contents remain in the container, they can be stored as they are, and the presence of the sealing property can prevent deformation due to the external force of the spout 2 and efficiently discharge the remaining contents. Can

本発明にしたがう薄肉容器の実施の形態を示した図である。It is the figure which showed embodiment of the thin container according to this invention. （ａ）（ｂ）は図１に示した容器の要部を拡大して示した図である。(A) and (b) are the figures which expanded and showed the principal part of the container shown in FIG.

符号の説明Explanation of symbols

１ 容器本体
２ 注出口
２ａ ノズル本体
２ｂ 栓体
３ 密封栓
３ａ 環状体
４ ねじ、アンダーカット
５ ねじ、アンダーカット DESCRIPTION OF SYMBOLS 1 Container body 2 Outlet 2a Nozzle body 2b Plug body 3 Seal plug 3a Ring body 4 Screw, undercut 5 Screw, undercut

Claims (4)

胴体部分を減容させてその内部に収納した内容物を注出口より排出する合成樹脂製薄肉容器であって、
前記注出口が、胴体部分と一体的につながるノズル本体と、このノズル本体からの分離によって開封端を形成して注出口を開封する栓体とからなり、
前記注出口に、前記栓体に着脱自在に配置されるが、注出口の開封後にノズル本体に装着されて開封端を密閉するリキャップ用の密封栓を設け、
前記栓体に、注出口の開封前において前記密封栓に係合して該密封栓を保持する保持用突条を形成し、前記ノズル本体に、注出口の開封後において前記密封栓に係合して該開封端を密閉する突条を形成したことを特徴とする合成樹脂製薄肉容器。 A synthetic resin thin-walled container that reduces the volume of the body part and discharges the contents stored in the body from the spout,
The spout is composed of a nozzle body integrally connected to the body portion, and a stopper for opening the spout by forming an opening end by separation from the nozzle body.
The spout is disposed detachably on the plug, but is provided with a sealing cap for recapping that is attached to the nozzle body after the spout is opened and seals the unsealed end ,
A retaining protrusion that holds the sealing plug by engaging the sealing plug before opening the spout is formed on the plug body, and is engaged with the sealing plug after opening the spout on the nozzle body. And a synthetic resin thin-walled container formed with a ridge that seals the open end . 前記密封栓は、アンダーカットによる係合若しくはねじ止めによって係合されるものである請求項１記載の合成樹脂製薄肉容器。   The synthetic resin thin-walled container according to claim 1, wherein the sealing stopper is engaged by undercut engagement or screwing. 前記密封栓は開封端に入り込んでその形状を保持する環状体を有する請求項１又は２記載の合成樹脂製薄肉容器。   The synthetic resin thin-walled container according to claim 1 or 2, wherein the sealing stopper has an annular body that enters the opening end and retains its shape. 注出口を含む容器の全体はブロー成形によって成形されたものであり、密封栓はインジェクション成形によって成形されたものである請求項１〜３の何れかに記載の合成樹脂製薄肉容器。   The synthetic resin thin-walled container according to any one of claims 1 to 3, wherein the entire container including the spout is formed by blow molding, and the sealing stopper is formed by injection molding.
JP2004044818A 2004-02-20 2004-02-20 Thin plastic container Expired - Fee Related JP4447937B2 (en)

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JP5070035B2 (en) * 2007-12-26 2012-11-07 株式会社吉野工業所 Liquid supply container
JP5290839B2 (en) * 2009-03-31 2013-09-18 株式会社吉野工業所 Blow molded thin bottle
WO2016117714A1 (en) * 2015-01-19 2016-07-28 주식회사 몬디케이에스피 Pouch

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