JP3153224U - Seal cap - Google Patents

Seal cap Download PDF

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JP3153224U
JP3153224U JP2009004107U JP2009004107U JP3153224U JP 3153224 U JP3153224 U JP 3153224U JP 2009004107 U JP2009004107 U JP 2009004107U JP 2009004107 U JP2009004107 U JP 2009004107U JP 3153224 U JP3153224 U JP 3153224U
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opening
annular
wall
cap
peripheral surface
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喜志雄 松井
喜志雄 松井
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有限会社マツエ
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Abstract

【課題】内容物が膨張性のものや浸透性のものの場合でも液漏れや外気侵入の防止機能を向上させ得るシールキャップを提供すること。【解決手段】容器本体の開口部の外周面に螺旋状に形成された雄ネジ部に螺合装着される雌ネジ部を内周面に形成したキャップ本体の内天井面に容器本体の開口部の内周面に密着嵌合する環状内壁を垂設形成し、この環状内壁よりも外側の前記内天井面に容器本体の開口部の頂面に当接する環状突起を下向きに突出させて形成してあり、前記環状内壁及び環状突起は、キャップ本体と同一材質でキャップ本体と一体成形されている。【選択図】図1To provide a seal cap capable of improving the function of preventing liquid leakage and outside air intrusion even when the contents are expandable or permeable. An opening of a container body is formed on an inner ceiling surface of a cap body formed with an internal thread on an inner circumferential surface of a female thread formed in a spiral manner on an outer thread of an opening of the container body. An annular inner wall that closely fits to the inner peripheral surface of the container body is vertically formed, and an annular protrusion that abuts the top surface of the opening of the container body is protruded downward on the inner ceiling surface outside the annular inner wall. The annular inner wall and the annular projection are integrally formed with the cap body using the same material as the cap body. [Selection] Figure 1

Description

本考案は、液体材料や粉粒体材料を充填したボトル等の容器の開口部に適用するためのシールキャップに関するものである。   The present invention relates to a seal cap for application to an opening of a container such as a bottle filled with a liquid material or a granular material.

従来、液体材料や粉粒体材料をボトルに密封充填するためにキャップの内天井面にスチレン系熱可塑性エラストマーからなるシールパッキンを装着したものが公知である(例えば、特許文献1参照)。   2. Description of the Related Art Conventionally, it is known that a seal packing made of a styrene thermoplastic elastomer is attached to the inner ceiling surface of a cap in order to hermetically fill a bottle with a liquid material or a granular material (see, for example, Patent Document 1).

特開平10−120015号公報Japanese Patent Laid-Open No. 10-120015

しかしながら、上記シールキャップは、シールパッキンがキャップ本体とは異質のスチレン系熱可塑性エラストマーからなるものであるため、内容物が膨張性のものや浸透性のものの場合、液漏れや外気侵入が発生する場合があり、シール性に対する信頼性が十分ではなかった。
本考案は、内容物が膨張性のものや浸透性のものの場合でも液漏れや外気侵入の防止機能を向上させ得るシールキャップを提供することを目的としている。
However, since the seal cap is made of a styrene-based thermoplastic elastomer that is different from the cap main body, when the contents are inflatable or permeable, liquid leakage or intrusion to the outside occurs. In some cases, the reliability of sealing performance was not sufficient.
An object of the present invention is to provide a seal cap capable of improving the function of preventing liquid leakage and outside air entry even when the contents are inflatable or permeable.

前記目的を達成するために本考案は、容器本体の開口部の外周面に螺旋状に形成された雄ネジ部に螺合装着される雌ネジ部を内周面に形成したキャップ本体の内天井面に容器本体の開口部の内周面に密着嵌合する環状内壁を垂設形成し、この環状内壁よりも外側の前記内天井面に容器本体の開口部の頂面に当接する環状突起を下向きに突出させて形成してあり、前記環状内壁及び環状突起は、キャップ本体と同一材質でキャップ本体と一体成形されていることを特徴としている。
この構成によれば、キャップ本体を容器本体の開口部に螺合装着したとき、環状内壁の外周面が容器本体の開口部の内周面に密着嵌合することと、環状突起が容器本体の開口部の頂面に当接することとによって、シール性が向上し、例えば、容器本体内に充填される内容物が膨張性のものである場合では、環状内壁が容器本体の開口部の内周面に益々強く密着することになり、また、浸透性のものの場合でも、環状内壁及び環状突起がキャップ本体と同一材質でキャップ本体と一体形成されているため、劣化せず、液漏れや外気侵入を確実に防止することができる。
In order to achieve the above object, the present invention provides an inner ceiling of a cap body in which a female screw portion is formed on an inner peripheral surface to be screwed onto a male screw portion spirally formed on an outer peripheral surface of an opening of a container body. An annular inner wall that is tightly fitted to the inner peripheral surface of the opening of the container body is vertically formed on the surface, and an annular protrusion that comes into contact with the top surface of the opening of the container body is formed on the inner ceiling surface outside the annular inner wall. The annular inner wall and the annular projection are formed of the same material as the cap body and are integrally formed with the cap body.
According to this configuration, when the cap body is screwed into the opening of the container body, the outer peripheral surface of the annular inner wall is closely fitted to the inner peripheral surface of the opening of the container body, and the annular protrusion is By contacting the top surface of the opening, the sealing performance is improved.For example, when the contents filled in the container body are inflatable, the annular inner wall is the inner periphery of the opening of the container body. Even in the case of permeable ones, the inner wall and the annular protrusion are made of the same material as the cap body and are integrally formed with the cap body. Can be reliably prevented.

前記環状内壁の下端外周面には、テーパー状案内面が形成してある。
この構成によれば、キャップ本体を容器本体に螺合装着する際、テーパー状案内面が環状内壁を容器本体の開口部内周面に誘導案内してスムーズに密着嵌合させることができる。
前記キャップ本体の下端には、容器本体の開口部の雄ネジ部の下側外周面に形成された環状凸部に係合する抜け止め用環状突起を内周面に有する開封確認用リングがキャップ本体の周方向複数箇所で細い連結片を介して連結してある。
A tapered guide surface is formed on the outer peripheral surface of the lower end of the annular inner wall.
According to this configuration, when the cap main body is screwed and attached to the container main body, the tapered guide surface can guide and guide the annular inner wall to the inner peripheral surface of the opening of the container main body, and can smoothly fit closely.
At the lower end of the cap body, there is an opening confirmation ring having an annular protrusion for retaining on its inner peripheral surface that engages with an annular convex portion formed on the lower outer peripheral surface of the male threaded portion of the opening of the container main body. It is connected via thin connecting pieces at a plurality of locations in the circumferential direction of the main body.

この構成によれば、容器本体に充填された内容物を取り出すためにキャップ本体を螺合解除方向に回動させると、雄ネジ部に対する雌ネジ部の螺合関係により、キャップ本体が容器本体の開口部から抜け出す方向に移動し、この移動に対して、抜け止め用環状突起が容器本体の開口部の環状凸部に係合していることによって開封確認用リングの移動が阻止され、細い連結片が破断されて開封確認用リングが容器本体の開口部に残ったままとなる。これによって、キャップ本体の開封の有無を容易に確認することができる。また、容器本体内の内容物の膨張力によってキャップ本体が容器本体の開口部に対して螺合解除方向に回動しようとすることを開封確認用リングで防止させることができる。   According to this configuration, when the cap body is rotated in the screwing release direction in order to take out the contents filled in the container body, the cap body is not attached to the container body due to the screwed relationship of the female screw portion with respect to the male screw portion. Moves in the direction of coming out of the opening, and against this movement, the movement of the opening confirmation ring is prevented by the annular protrusion for retaining being engaged with the annular convex part of the opening of the container body, and the thin connection The piece is broken and the opening confirmation ring remains in the opening of the container body. As a result, it is possible to easily confirm whether or not the cap body has been opened. Further, the opening confirmation ring can prevent the cap body from rotating in the screwing release direction with respect to the opening of the container body due to the expansion force of the contents in the container body.

本考案によれば、内容物が膨張性のものや浸透性のものの場合でも液漏れや外気侵入の防止機能を向上させ得るシールキャップを提供することができる。   According to the present invention, it is possible to provide a seal cap that can improve the function of preventing liquid leakage and outside air intrusion even when the contents are inflatable or permeable.

本考案に係るシールキャップを容器本体に装着した状態の正面図であって、左半分は縦断面図で示している。It is a front view of the state which mounted | wore the container main body with the seal cap which concerns on this invention, Comprising: The left half is shown with the longitudinal cross-sectional view. シールキャップ単体の要部拡大断面図である。It is a principal part expanded sectional view of a seal cap single-piece | unit.

以下、本考案の実施形態を図面を参照して説明する。
本考案のシールキャップは、図1、図2に示すように、容器本体1の開口部2の外周面に螺旋状に形成された雄ネジ部3に螺合装着される雌ネジ部4を内周面に形成したキャップ本体5の内天井面6に容器本体1の開口部2の内周面に密着嵌合する環状内壁7を垂設形成し、この環状内壁7よりも外側の前記内天井面6に容器本体1の開口部2の頂面に当接する環状突起8を下向きに突出させて形成してあり、前記環状内壁7及び環状突起8は、キャップ本体5と同一材質でキャップ本体5と一体成形されている。
Embodiments of the present invention will be described below with reference to the drawings.
As shown in FIGS. 1 and 2, the seal cap of the present invention has a female screw portion 4 that is screwed into a male screw portion 3 formed in a spiral shape on the outer peripheral surface of the opening 2 of the container body 1. An annular inner wall 7 is formed on the inner ceiling surface 6 of the cap main body 5 formed on the peripheral surface so as to closely fit the inner peripheral surface of the opening 2 of the container main body 1, and the inner ceiling outside the annular inner wall 7 is formed. An annular protrusion 8 that contacts the top surface of the opening 2 of the container body 1 is formed on the surface 6 so as to protrude downward, and the annular inner wall 7 and the annular protrusion 8 are made of the same material as the cap body 5 and the cap body 5. And is integrally molded.

前記環状内壁7の下端外周面には、テーパー状案内面7aが形成してある。
前記キャップ本体5の下端には、容器本体1の開口部2の雄ネジ部3の下側外周面に形成された環状凸部9に係合する抜け止め用環状突起10を内周面に有する開封確認用リング11がキャップ本体5の周方向複数箇所で細い連結片12を介して連結してある。
キャップ本体5は、PP(ポリプロピレン)、又は、他のプラスチック材料で射出成形されており、外周面には、ローレット加工による滑り止め加工面13が施されている。
容器本体1は、HDPE(高密度ポリエチレン)、又は、他のプラスチック材料で射出成形されており、外周面には、内容物の量を表示する目盛り14が施されている。
A tapered guide surface 7 a is formed on the outer peripheral surface of the lower end of the annular inner wall 7.
At the lower end of the cap main body 5, there is provided an annular protrusion 10 for retaining to be engaged with an annular convex portion 9 formed on the lower outer peripheral surface of the male screw portion 3 of the opening 2 of the container main body 1 on the inner peripheral surface. Opening confirmation rings 11 are connected through thin connecting pieces 12 at a plurality of locations in the circumferential direction of the cap body 5.
The cap body 5 is injection-molded with PP (polypropylene) or another plastic material, and a non-slip processed surface 13 by knurling is provided on the outer peripheral surface.
The container body 1 is injection-molded with HDPE (high density polyethylene) or other plastic material, and a scale 14 for displaying the amount of contents is provided on the outer peripheral surface.

本考案のシールキャップは、上記構成からなるため、キャップ本体5を容器本体1の開口部2に螺合装着したとき、環状内壁7の外周面が容器本体1の開口部2の内周面に密着嵌合することと、環状突起8が容器本体1の開口部2の頂面に当接することとによって、シール性が向上し、例えば、容器本体1内に充填される内容物が膨張性のものである場合では、環状内壁7が容器本体1の開口部2の内周面に益々強く密着することになり、また、浸透性のものの場合でも、環状内壁7及び環状突起8がキャップ本体5と同一材質でキャップ本体5と一体形成されているため、劣化せず、液漏れや外気侵入を確実に防止することができる。   Since the seal cap of the present invention is configured as described above, when the cap body 5 is screwed into the opening 2 of the container body 1, the outer peripheral surface of the annular inner wall 7 becomes the inner peripheral surface of the opening 2 of the container body 1. The tight fitting and the annular protrusion 8 abuts on the top surface of the opening 2 of the container body 1 improve the sealing performance. For example, the contents filled in the container body 1 are inflatable. In the case where it is a thing, the annular inner wall 7 is more and more closely attached to the inner peripheral surface of the opening 2 of the container body 1, and even in the case of a permeable thing, the annular inner wall 7 and the annular protrusion 8 are connected to the cap body 5. Since the cap body 5 is integrally formed with the same material, liquid leakage and entry of outside air can be reliably prevented without deterioration.

前記環状内壁7の下端外周面には、テーパー状案内面7aが形成してあることによって、キャップ本体5を容器本体1の開口部2に螺合装着する際、テーパー状案内面7aが環状内壁7を容器本体1の開口部2の内周面に誘導案内してスムーズに密着嵌合させることができる。
また、前記キャップ本体5の下端には、容器本体1の開口部2の雄ネジ部3の下側外周面に形成された環状凸部9に係合する抜け止め用環状突起10を内周面に有する開封確認用リング11がキャップ本体5の周方向複数箇所で細い連結片12を介して連結してあるため、容器本体1に充填された内容物を取り出すためにキャップ本体5を螺合解除方向に回動させると、雄ネジ部3に対する雌ネジ部4の螺合関係により、キャップ本体5が容器本体1の開口部2から抜け出す方向に移動し、この移動に対して、抜け止め用環状突起10が容器本体1の開口部2の環状凸部9に係合していることによって開封確認用リング11の移動が阻止され、細い連結片12が破断されて開封確認用リング11が容器本体1の開口部2に残ったままとなる。これによって、キャップ本体5の開封の有無を容易に確認することができる。
A tapered guide surface 7a is formed on the outer peripheral surface of the lower end of the annular inner wall 7, so that when the cap body 5 is screwed into the opening 2 of the container body 1, the tapered guide surface 7a is formed on the annular inner wall. 7 can be guided and guided to the inner peripheral surface of the opening 2 of the container body 1 to smoothly fit closely.
Further, at the lower end of the cap main body 5, an annular protrusion 10 for retaining is formed that engages with an annular convex portion 9 formed on the lower outer peripheral surface of the male screw portion 3 of the opening 2 of the container main body 1. Since the opening confirmation ring 11 is connected to the cap body 5 at a plurality of locations in the circumferential direction via thin connecting pieces 12, the cap body 5 is unscrewed to take out the contents filled in the container body 1. When it is rotated in the direction, the cap main body 5 moves in the direction of coming out from the opening 2 of the container main body 1 due to the screwed relationship of the female screw portion 4 with the male screw portion 3, and against this movement, a retaining ring is provided. Since the protrusion 10 is engaged with the annular convex portion 9 of the opening 2 of the container body 1, the movement of the opening confirmation ring 11 is prevented, the thin connecting piece 12 is broken, and the opening confirmation ring 11 becomes the container body. 1 remains in one opening 2. Thereby, the presence or absence of opening of the cap main body 5 can be confirmed easily.

本考案のシールキャップは、プラスチック製ボトル、金属製ボトル、ガラス製ボトル等の各種の容器本体の開口部を密封する手段に広く利用することができる。   The seal cap of the present invention can be widely used as means for sealing the openings of various container bodies such as plastic bottles, metal bottles, and glass bottles.

1 容器本体
2 開口部
3 雄ネジ部
4 雌ネジ部
5 キャップ本体
6 内天井面
7 環状内壁
8 環状突起
9 環状凸部
10 抜け止め用環状突起
11 開封確認用リング
12 細い連結片
13 滑り止め加工面
14 目盛り
DESCRIPTION OF SYMBOLS 1 Container main body 2 Opening part 3 Male thread part 4 Female thread part 5 Cap main body 6 Inner ceiling surface 7 Annular inner wall 8 Annular protrusion 9 Annular convex part 10 Unlocking annular protrusion 11 Opening confirmation ring 12 Thin connection piece 13 Non-slip processing Area 14 scale

Claims (3)

容器本体の開口部の外周面に螺旋状に形成された雄ネジ部に螺合装着される雌ネジ部を内周面に形成したキャップ本体の内天井面に容器本体の開口部の内周面に密着嵌合する環状内壁を垂設形成し、この環状内壁よりも外側の前記内天井面に容器本体の開口部の頂面に当接する環状突起を下向きに突出させて形成してあり、前記環状内壁及び環状突起は、キャップ本体と同一材質でキャップ本体と一体成形されていることを特徴とするシールキャップ。   The inner peripheral surface of the opening of the container main body is formed on the inner ceiling surface of the cap main body formed on the inner peripheral surface with the female screw portion screwed and attached to the outer thread of the opening of the container main body. An annular inner wall that is closely fitted to the annular inner wall is formed vertically, and an annular protrusion that contacts the top surface of the opening of the container body is protruded downward on the inner ceiling surface outside the annular inner wall. An annular inner wall and an annular protrusion are formed of the same material as the cap body and are integrally formed with the cap body. 前記環状内壁の下端外周面には、テーパー状案内面が形成してあることを特徴とする請求項1に記載のシールキャップ。   The seal cap according to claim 1, wherein a tapered guide surface is formed on an outer peripheral surface of a lower end of the annular inner wall. 前記キャップ本体の下端には、容器本体の開口部の雄ネジ部の下側外周面に形成された環状凸部に係合する抜け止め用環状突起を内周面に有する開封確認用リングがキャップ本体の周方向複数箇所で細い連結片を介して連結してあることを特徴とする請求項1又は2に記載のシールキャップ。   At the lower end of the cap body, there is an opening confirmation ring having an annular protrusion for retaining on its inner peripheral surface that engages with an annular convex portion formed on the lower outer peripheral surface of the male threaded portion of the opening of the container main body. The seal cap according to claim 1, wherein the seal cap is connected through a thin connecting piece at a plurality of locations in the circumferential direction of the main body.
JP2009004107U 2009-06-16 2009-06-16 Seal cap Expired - Fee Related JP3153224U (en)

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2011057269A (en) * 2009-09-11 2011-03-24 Sekisui Seikei Ltd Cap for vessel opening

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2011057269A (en) * 2009-09-11 2011-03-24 Sekisui Seikei Ltd Cap for vessel opening

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