JP3259629B2 - cap - Google Patents
capInfo
- Publication number
- JP3259629B2 JP3259629B2 JP08622396A JP8622396A JP3259629B2 JP 3259629 B2 JP3259629 B2 JP 3259629B2 JP 08622396 A JP08622396 A JP 08622396A JP 8622396 A JP8622396 A JP 8622396A JP 3259629 B2 JP3259629 B2 JP 3259629B2
- Authority
- JP
- Japan
- Prior art keywords
- cap
- spout
- ring
- peripheral wall
- contact
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
Classifications
-
- 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
- B65D5/00—Rigid or semi-rigid containers of polygonal cross-section, e.g. boxes, cartons or trays, formed by folding or erecting one or more blanks made of paper
- B65D5/42—Details of containers or of foldable or erectable container blanks
- B65D5/72—Contents-dispensing means
- B65D5/74—Spouts
- B65D5/746—Spouts formed separately from the container
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Closures For Containers (AREA)
Description
【発明の詳細な説明】DETAILED DESCRIPTION OF THE INVENTION
【０００１】[0001]
【発明の属する技術分野】本発明は、果汁飲料、牛乳、
清酒や液体調味料などの食品に用いられる液体用紙容器
の頂部に突設するスパウトと螺合して装着するキャップ
に関するものである。TECHNICAL FIELD The present invention relates to a juice beverage, milk,
The present invention relates to a cap which is screwed and attached to a spout projecting from the top of a liquid paper container used for food such as sake and liquid seasonings.
【０００２】[0002]
【従来の技術】従来、液体用紙容器には、内容物の注出
をし易くするため、天板に突設されたスパウト（注出口
具）にキャップを螺合して装着する口栓が広く使用され
ていた。この口栓（１０）は、例えば図２に示すよう
に、外周面にキャップ（１００）との螺合部（２１１）
をもつ周壁（２１０）の内側下方を封鎖し、その封鎖部
に、下面より環状のＶ字型切込み（２３３）を入れて形
成した薄肉脆弱線リング（２３４）を周設する切込部
（２３０）と、その切取部に支柱（２３１）で連結され
た引張リング（２３２）とを有するスパウト（２００）
と、天板（１１０）の内面に、スパウトの周壁（２１
０）の内周面上端部に外周面を密接するインナーリング
（１１１）とスパウトの周壁（２１０）の上端面に先端
を密接する逆三角形状のコンタクトリング（１１２）と
を垂設したキャップ（１００）とから構成されたもので
あった。2. Description of the Related Art Conventionally, in a liquid paper container, in order to make it easy to pour out the contents, a spout which is screwed with a cap to a spout (a spout device) protruding from a top plate is widely used. Had been used. As shown in FIG. 2, for example, this plug (10) has a screw portion (211) on the outer peripheral surface thereof with a cap (100).
A notch (230) that seals the lower inside of the peripheral wall (210) with a thin vulnerable wire ring (234) formed by inserting an annular V-shaped cut (233) from the lower surface in the sealed portion. ) And a spout (200) having a pull ring (232) connected to the cutout by a column (231).
And, on the inner surface of the top plate (110), the peripheral wall of the spout (21)
Cap (0) in which an inner ring (111) whose outer peripheral surface is in close contact with the upper end portion of the inner peripheral surface and an inverted triangular contact ring (112) whose tip is in close contact with the upper end surface of the peripheral wall (210) of the spout are suspended. 100).
【０００３】[0003]
【発明が解決しようとする課題】上述の従来の口栓の密
封機構は、インナーリングで主に密封し、コンタクトリ
ングは補助的に密封するものあり、密封の目的は、容器
の内容物の液漏れを防ぐものであった。しかしながら、
内容物をホット充填し、密封した液体用紙容器に冷却用
シャワーを浴びせる工程を経る際に、螺合し合うスパウ
トとキャップとの周壁間に、水滴などが侵入することが
あり、開封時の外観上又は衛生上に好ましくないことが
あった。また、液体用紙容器の頂部に突設するスパウト
にキャップを装着するときのキャップの停止位置の制御
が難しく、このため、使用時のキャップの開けトルク
（回転力）を適性に管理することが難しかった。The above-described conventional sealing mechanism for a plug is mainly one in which an inner ring is used for sealing, and a contact ring is used for auxiliary sealing. This was to prevent leakage. However,
During the process of hot-filling the contents and taking a cooling shower in the sealed liquid paper container, water droplets etc. may enter between the peripheral walls of the spout and cap that are screwed together, and the appearance when opened There were times when it was unfavorable in terms of hygiene or hygiene. Further, it is difficult to control the stop position of the cap when the cap is attached to the spout protruding from the top of the liquid paper container, and therefore it is difficult to appropriately manage the opening torque (rotational force) of the cap during use. Was.
【０００４】本発明は、上述の従来の口栓のキャップの
問題点を解決したものであり、内容物をホット充填後、
密封した液体用紙容器に冷却用シャワーを浴びせる工程
で、口栓内に水滴などが侵入することがなく、キャップ
の装着時の停止位置の制御がし易く、使用時のキャップ
の開けトルクが安定したキャップを提供するものであ
る。The present invention has solved the above-mentioned problems of the conventional cap for a plug, and after hot-filling the contents,
In the process of showering the sealed liquid paper container with a cooling shower, water droplets etc. do not enter the plug, it is easy to control the stop position when attaching the cap, and the opening torque of the cap during use is stable A cap is provided.
【０００５】[0005]
【課題を解決するための手段】本発明の第１の発明は、
図１に示すように、液体用紙容器（２０）の頂部に突設
するスパウト（２００）に螺合して装着するキャップ
（１００）において、前記キャップの天板（１１０）内
面に前記スパウトの周壁（２１０）の内周面上端部に外
周面を密接するインナーリング（１１１）を垂設し、こ
のインナーリングの外周上方位置に前記スパウトの周壁
の上端面に密接するコンタクトリング（１１２）を設
け、且つ、キャップの周壁（１２０）下端面に環状の溝
又は間欠環状の溝を設け、この周壁下端面の内側のみを
スパウトの台座リング（２２０）の上面端に当接させた
ことを特徴とするキャップである。Means for Solving the Problems A first invention of the present invention is:
As shown in FIG. 1, in a cap (100) screwed and attached to a spout (200) projecting from the top of a liquid paper container (20), a peripheral wall of the spout is provided on the inner surface of a top plate (110) of the cap. At the upper end of the inner peripheral surface of the (210), an inner ring (111) is provided so as to closely contact the outer peripheral surface, and a contact ring (112) is provided at a position above the outer periphery of the inner ring so as to closely contact the upper end surface of the peripheral wall of the spout. Further, an annular groove or an intermittent annular groove is provided on the lower end surface of the peripheral wall (120) of the cap, and only the inside of the lower end surface of the peripheral wall is brought into contact with the upper surface end of the pedestal ring (220) of the spout. It is a cap to do.
【０００６】本発明の第２の発明は、図１に示すよう
に、前記キャップ（１００）の周壁（１２０）下端面の
内側がスパウトの台座リング（２２０）の上面端に密接
したときに、キャップのインナーリングとコンタクトリ
ングとがスパウトの周壁に密接していることを特徴とす
る請求項１記載のキャップである。According to a second aspect of the present invention, as shown in FIG. 1, a lower end surface of a peripheral wall (120) of the cap (100) is provided.
Inside close to top edge of spout pedestal ring (220)
The inner ring of the cap and the contact
2. The cap according to claim 1, wherein the ring is in close contact with a peripheral wall of the spout .
【０００７】[0007]
【発明の実施の形態】本発明のキャップは、図１に示す
ように、角柱状の液体用紙容器（２０）の平面状又は傾
斜状の頂部に突設する外周に螺合部（２１１）をもつ円
柱状の周壁（２１０）とその下方に台座リング（２２
０）を有するスパウト（２００）に螺合して装着するキ
ャップ（１００）であり、ポリエチレンやポリプロピレ
ンなどの熱可塑性樹脂を射出成形したもので、天板（１
１０）内面にスパウトの周壁（２１０）の内周面上端部
に外周面を密接するインナーリング（１１１）を垂設
し、このインナーリングの外周上方位置にスパウトの周
壁（２１０）の上端面に密接する逆三角形状のコンタク
トリング（１１２）を設け、さらに、キャップの周壁
（１２０）下端面に環状の溝（１２２）又は間欠環状の
溝を設けて、キャップをスパウトに装着するときに、ス
パウトの台座リング（２２０）の上面端にキャップの周
壁下端面の厚みの１／２以下の位置に当接したときにキ
ャップの装着を完了するものである。このため、キャッ
プの内側リングの下端がスパウトの台座リングの上面に
密接したときには、キャップの上述したインナーリング
とコンタクトリングとがスパウトの周壁にすでに密接す
るように設計するものである。また、キャップの周壁下
端面の外側は、スパウトの台座リングの上面に接触させ
ないものであり、通常では、スパウトの台座リングに外
側下がりの傾斜を設けて、キャップの周壁下端面の内側
をスパウトの台座リングの上面に線接触させるものであ
る。DESCRIPTION OF THE PREFERRED EMBODIMENTS As shown in FIG. 1, a cap according to the present invention has a threaded portion (211) on the outer periphery projecting from a flat or inclined top of a prismatic liquid paper container (20). A cylindrical peripheral wall (210) and a base ring (22
0) is a cap (100) screwed to and attached to a spout (200) having a thermoplastic resin such as polyethylene or polypropylene by injection molding.
10) An inner ring (111), whose outer peripheral surface is in close contact with the upper end of the inner peripheral surface of the spout peripheral wall (210), is vertically suspended on the inner surface, and the upper end of the spout peripheral wall (210) is provided at a position above the outer periphery of the inner ring. A contact ring (112) having a close inverted triangle shape is provided, and an annular groove (122) or an intermittent annular groove is provided on the lower end surface of the peripheral wall (120) of the cap. The mounting of the cap is completed when the upper surface of the pedestal ring (220) comes into contact with the upper end of the cap at a position equal to or less than half the thickness of the lower end surface of the peripheral wall of the cap. Therefore, when the lower end of the inner ring of the cap comes into close contact with the upper surface of the pedestal ring of the spout, the above-described inner ring and contact ring of the cap are designed to be already in close contact with the peripheral wall of the spout. Further, the outer side of the lower end surface of the peripheral wall of the cap does not come into contact with the upper surface of the pedestal ring of the spout. This is to make line contact with the upper surface of the pedestal ring.
【０００８】本発明のキャップは、液体用紙容器の頂部
に突設するスパウトに装着したときに、キャップの天板
内面に垂設したインナーリングの外周面がスパウトの周
壁の内周面上端部に、また、インナーリングの外周上方
位置に垂設したコンタクトリングがスパウトの周壁の上
端面に、さらには、キャップの周壁の下端部に設けた内
側リングがスパウトの台座リングの上面にそれぞれ密接
しているため、内容物をホット充填し、密封した液体用
紙容器に冷却用シャワーを浴びせる工程で、スパウトと
キャップとの周壁間に水滴などが侵入することがなく、
また、キャップの装着時に、キャップの周壁の下端部の
内側がスパウトの台座リングの上面に当たるため、キャ
ップの停止位置を制御し易く、使用時のキャップの開け
トルクが安定する。When the cap of the present invention is mounted on a spout projecting from the top of a liquid paper container, the outer peripheral surface of an inner ring suspended from the inner surface of the top plate of the cap is located at the upper end of the inner peripheral surface of the peripheral wall of the spout. In addition, a contact ring vertically provided at a position above the outer periphery of the inner ring is in close contact with the upper surface of the peripheral wall of the spout, and further, an inner ring provided in a lower end portion of the peripheral wall of the cap is in close contact with the upper surface of the pedestal ring of the spout. Therefore, in the process of hot-filling the contents and taking a cooling shower in a sealed liquid paper container, water droplets etc. do not enter between the spout and the peripheral wall of the cap,
In addition, when the cap is mounted, the inside of the lower end of the peripheral wall of the cap hits the upper surface of the pedestal ring of the spout, so that the stop position of the cap is easily controlled, and the opening torque of the cap during use is stabilized.
【０００９】[0009]
【実施例】図１は、本発明の一例の本実施例のキャップ
を液体用紙容器の頂部に突設するスパウトに装着したと
きの部分断面図である。次に、この図１を用いて本実施
例のキャップを詳細に説明する。FIG. 1 is a partial cross-sectional view showing a case where a cap according to an embodiment of the present invention is mounted on a spout projecting from the top of a liquid paper container. Next, the cap of this embodiment will be described in detail with reference to FIG.
【００１０】まず、ポリプロピレンを用いて射出成形法
で本実施例のキャップ（１００）を作製した。このキャ
ップの構造は、スパウト（２００）に装着したときに、
スパウトの周壁（２１０）の内周面上端部に外周面が密
接するインナーリング（１１１）を天板（１１０）内面
に垂設し、このインナーリングの外周上方位置にスパウ
トの周壁（２１０）の上端面に密接する逆三角形状のコ
ンタクトリング（１１２）を設け、さらに、キャップの
周壁（１２０）下端面に環状の溝（１２２）を形成し、
キャップの周壁下端面内側をスパウトの台座リング（２
２０）の外側下がりに傾斜する上面に線接触して当接す
るようにしたものである。First, a cap (100) of this embodiment was produced by injection molding using polypropylene. The structure of this cap, when attached to the spout (200),
An inner ring (111) whose outer peripheral surface is in close contact with the upper end of the inner peripheral surface of the spout peripheral wall (210) is vertically suspended from the inner surface of the top plate (110), and the spout peripheral wall (210) is located above the outer periphery of the inner ring. An inverted triangular contact ring (112) is provided on the upper end surface, and an annular groove (122) is formed on the lower end surface of the peripheral wall (120) of the cap.
The spout pedestal ring (2
20) It comes in line contact with the upper surface inclined downward and outward.
【００１１】次に、台座リング（２２０）の上面に外面
にキャップとの螺合部（２１１）をもつ円筒状の周壁
（２１０）を立設し、この周壁の内側下方を封鎖し、こ
の封鎖部に、下面より環状のＶ字型切込み（２３３）を
入れて形成した薄肉脆弱線リング（２３４）を周設する
切込部（２３０）と、その切取部に支柱（２３１）で連
結された引張リング（２３２）を有するスパウト（２０
０）を、無機質を含む低密度ポリエチレンを用いて射出
成形法で作製した。なお、台座リング（２２０）の上面
周縁部に、キャップを装着したときに、キャップの周壁
下端面外側が接触しないように段差（２２１）を設けた
ものである。次に、作製したスパウトを角柱状の液体用
紙容器（２０）の頂部に突出させて超音波シール法で熱
融着して接着した。次に、液体用紙容器（２０）の頂部
に突設するスパウトに、上述した本実施例のキャップを
装着したのち、内容物を充填して密封した。なお、スパ
ウトへのキャップの装着は、キャップの停止位置の制御
が容易であった。Next, a cylindrical peripheral wall (210) having a screwing portion (211) with a cap is provided on the upper surface of the pedestal ring (220), and the lower inside of the peripheral wall is closed. A notch (230) surrounding a thin weak line ring (234) formed by inserting an annular V-shaped notch (233) from the lower surface, and a pillar (231) connected to the notch. Spout (20) with tension ring (232)
No. 0) was produced by injection molding using low-density polyethylene containing an inorganic substance. In addition, a step (221) is provided on the peripheral edge of the upper surface of the pedestal ring (220) so that when the cap is attached, the outside of the lower end surface of the peripheral wall of the cap does not contact. Next, the prepared spout was made to protrude from the top of the prismatic liquid paper container (20), and was adhered by heat sealing by an ultrasonic sealing method. Next, after the spout projecting from the top of the liquid paper container (20) was fitted with the cap of the present embodiment, the contents were filled and sealed. When the cap was attached to the spout, control of the stop position of the cap was easy.
【００１２】上述の内容物をホット充填し密封した液体
用紙容器を、冷却シャワーの工程を経てのち、口栓内へ
の水滴などの侵入や内容物の液漏れなどを調べたが皆無
であった。また、開封時のキャップの開けトルクは安定
していた。After the above-mentioned contents were hot-filled and sealed, the liquid paper container was subjected to a cooling shower process, and thereafter, the penetration of water droplets into the faucet, the leakage of the contents, and the like were examined, but none was found. . The opening torque of the cap at the time of opening was stable.
【００１３】[0013]
【発明の効果】本発明のキャップを液体用紙容器の頂部
に突設するスパウトに装着すると、内容物をホット充填
し、密封した液体用紙容器に冷却用シャワーを浴びせる
工程で、スパウトとキャップとの周壁間に水滴などが侵
入することがなく、極めて衛生的であり、また、内容物
の液漏れもなく、そのうえ、キャップの装着時には、キ
ャップの停止位置の制御がし易く、この結果、使用時の
キャップの開けトルクが安定している。When the cap of the present invention is attached to a spout projecting from the top of a liquid paper container, the contents are hot-filled, and the sealed liquid paper container is subjected to a cooling shower. It is extremely sanitary without water droplets etc. entering between the peripheral walls, there is no leakage of the contents, and the stop position of the cap is easy to control when the cap is attached. The opening torque of the cap is stable.
【図１】本発明の一実施例のキャップを、液体用紙容器
の頂部に突設するスパウトに装着したときの部分断面図
である。FIG. 1 is a partial sectional view when a cap according to an embodiment of the present invention is attached to a spout projecting from a top of a liquid paper container.
【図２】従来の一例のキャップを、液体用紙容器の頂部
に突設するスパウトに装着したときの部分断面図であ
る。FIG. 2 is a partial cross-sectional view of a conventional example of a cap attached to a spout projecting from the top of a liquid paper container.
１０……口栓 ２０……液体用紙容器 １００……キャップ １１０……天板 １１１……インナーリング １１２……コンタクトリング １２０，２１０……周壁 １２１，２１１……螺合部 １２２……溝 ２００……スパウト ２２０……台座リング ２２１……段差 ２３０……切取部 ２３１……支柱 ２３２……引張リング ２３３……Ｖ字型切込み ２３４……薄肉脆弱線リング DESCRIPTION OF SYMBOLS 10 ... Plug 20 ... Liquid paper container 100 ... Cap 110 ... Top plate 111 ... Inner ring 112 ... Contact ring 120, 210 ... Peripheral wall 121, 211 ... Screw part 122 ... Groove 200 ... … Spout 220… Pedestal ring 221… Step 230… Cutout 231… Prop 232… Tension ring 233… V-shaped cut 234… Thin-walled weak wire ring
Claims (2)
螺合して装着するキャップにおいて、前記キャップの天
板内面に前記スパウトの周壁の内周面上端部に外周面を
密接するインナーリングを垂設し、このインナーリング
の外周上方位置に前記スパウトの周壁の上端面に密接す
るコンタクトリングを設け、且つ、キャップの周壁下端
面に環状の溝又は間欠環状の溝を設け、この周壁下端面
の内側のみをスパウトの台座リングの上面端に当接させ
たことを特徴とするキャップ。1. A cap which is screwed and mounted on a spout projecting from the top of a liquid paper container, wherein an inner peripheral surface of the cap is in close contact with an upper end of an inner peripheral surface of a peripheral wall of the spout. A contact ring is provided at a position above the outer periphery of the inner ring so as to be in close contact with the upper end surface of the peripheral wall of the spout, and an annular groove or an intermittent annular groove is provided at the lower end surface of the peripheral wall of the cap. A cap characterized in that only the inside of the end face is in contact with the upper end of the spout pedestal ring.
台座リングの上面端に密接したときに、キャップのイン
ナーリングとコンタクトリングとがスパウトの周壁に密
接していることを特徴とする請求項１記載のキャップ。2. The inner ring of the cap and the contact ring are in close contact with the peripheral wall of the spout when the inside of the lower end surface of the peripheral wall of the cap is in close contact with the upper end of the pedestal ring of the spout. The cap according to 1.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP08622396A JP3259629B2 (en) | 1996-04-09 | 1996-04-09 | cap |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP08622396A JP3259629B2 (en) | 1996-04-09 | 1996-04-09 | cap |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH09272554A JPH09272554A (en) | 1997-10-21 |
| JP3259629B2 true JP3259629B2 (en) | 2002-02-25 |
Family
ID=13880798
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP08622396A Expired - Fee Related JP3259629B2 (en) | 1996-04-09 | 1996-04-09 | cap |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JP3259629B2 (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US10582787B2 (en) | 2012-08-22 | 2020-03-10 | Ptm Packaging Tools Machinery Pte. Ltd. | Paper-based container lids and methods for making the same |
Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP4539009B2 (en) * | 2002-07-11 | 2010-09-08 | 凸版印刷株式会社 | Spout |
| JP4539010B2 (en) * | 2002-07-17 | 2010-09-08 | 凸版印刷株式会社 | A container with a low-opening / closing torque and a highly sealed cap |
| JP5101242B2 (en) * | 2007-10-26 | 2012-12-19 | 川澄化学工業株式会社 | Liquid port sealing structure for medical device and medical device having sealing structure |
| WO2016136150A1 (en) * | 2015-02-27 | 2016-09-01 | 株式会社吉野工業所 | Screw cap container |
| JP6456216B2 (en) * | 2015-02-27 | 2019-01-23 | 株式会社吉野工業所 | Threaded cap container |
-
1996
- 1996-04-09 JP JP08622396A patent/JP3259629B2/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US10582787B2 (en) | 2012-08-22 | 2020-03-10 | Ptm Packaging Tools Machinery Pte. Ltd. | Paper-based container lids and methods for making the same |
| US11497330B2 (en) | 2012-08-22 | 2022-11-15 | Ptm Packaging Tools Machinery Pte. Ltd. | Paper-based container lids and methods for making the same |
Also Published As
| Publication number | Publication date |
|---|---|
| JPH09272554A (en) | 1997-10-21 |
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