JP4612487B2 - Container cap - Google Patents

Container cap Download PDF

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JP4612487B2
JP4612487B2 JP2005192889A JP2005192889A JP4612487B2 JP 4612487 B2 JP4612487 B2 JP 4612487B2 JP 2005192889 A JP2005192889 A JP 2005192889A JP 2005192889 A JP2005192889 A JP 2005192889A JP 4612487 B2 JP4612487 B2 JP 4612487B2
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container
cap
mouth
sealing
sealing portion
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JP2007008541A (en
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巧 山下
由夫 山内
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Kyoraku Co Ltd
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Kyoraku Co Ltd
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Description

本発明は、内容物を充填した容器の口部に装着して容器を密栓する容器のキャップに関するものである。   The present invention relates to a cap of a container that is attached to a mouth portion of a container filled with contents to seal the container.

加熱した内容物を充填した後密栓して冷却する容器にあっては、冷却により容器内が減圧するので、容器内の減圧により容器全体の変形歪みを防止するため、容器の一部に減圧対応部分を設けたり、あるいは容器の口部を予め膨らみをもたせたダイヤフラムで封止して減圧によりその膨らみを反転させる構成とするもの（実開平５−３５７１２号公報、特開平１０−７２０５６号公報参照）や、容器の口部を反転部となるインナーパーツで封止したもの（特開２０００−１０３４５９公報参照）などが知られている。   For containers that are filled with heated contents and then sealed and cooled, the inside of the container is depressurized by cooling. Therefore, in order to prevent deformation deformation of the entire container due to the decompression in the container, a part of the container can be decompressed. A portion is provided, or the mouth of the container is sealed with a diaphragm having a bulge in advance, and the bulge is inverted by decompression (see Japanese Utility Model Laid-Open No. 5-35712, Japanese Patent Laid-Open No. 10-72056) ), Or a container in which the mouth of the container is sealed with an inner part serving as a reversal part (see Japanese Patent Application Laid-Open No. 2000-103459).

また、容器を容易に開封するため、容器の口部を封止するキャップの封止部に指を掛けるプルリングを備えたプルトップキャップについては、特開平１０−２３６５１２号公報、特開２００４−６７２１５公報、実開昭６２−２５６５８号公報、実開昭６３−７６６３号公報、実開平７−２１５６１号公報に記載されている。
実開平５−３５７１２号公報 特開平１０−７２０５６号公報 特開２０００−１０３４５９公報 特開平１０−２３６５１２号公報 特開２００４−６７２１５公報 実開昭６２−２５６５８号公報 実開昭６３−７６６３号公報 実開平７−２１５６１号公報 In order to easily open the container, JP-A-10-236512 and JP-A-2004-67215 disclose a pull-top cap provided with a pull ring that puts a finger on the sealing part of the cap that seals the mouth of the container. No. 62-25658, No. 63-7663, and No. 7-21561.
Japanese Utility Model Publication No. 5-35712 JP-A-10-72056 JP 2000-103459 A JP-A-10-236512 JP 2004-67215 A Japanese Utility Model Publication No. 62-25658 Japanese Utility Model Publication No. 63-7663 Japanese Utility Model Publication No. 7-21561

前掲の実開平５−３５７１２号公報、特開平１０−７２０５６号公報にそれぞれ記載されている減圧対応の容器にあっては、容器の口部を封止しているダイヤフラムあるいはインナーパーツを剥がして開封するものであるから、容器の開封にあたっては指先が容器の口部に触れて衛生的でないばかりでなく、ダイヤフラムやインナーパーツを剥がすのが必ずしも容易ではないのが実情である。   For the decompression-compatible containers described in Japanese Utility Model Laid-Open No. 5-35712 and JP-A-10-72056, respectively, the diaphragm or inner part sealing the mouth of the container is peeled off and opened. Therefore, when opening the container, the fingertip touches the mouth of the container and is not hygienic, and it is not always easy to peel off the diaphragm and inner parts.

そこで、本発明は、容器の口部を封止するキャップの封止部は指を掛けるプルリングを備えていて、しかもキャップの封止部を容器の外方に向かって膨出状の薄肉部とした構成とすることにより、容器内の減圧に対応して容器に変形歪みを生じさせず、しかも開封が手軽に衛生的にできる容器のキャップを提供することを目的とするものである。   Therefore, the present invention provides a cap sealing portion for sealing the mouth portion of the container, and includes a pull ring for hooking a finger, and the cap sealing portion bulges toward the outside of the container. The object of the present invention is to provide a container cap that can be opened easily and hygienically without causing deformation in the container in response to the reduced pressure in the container.

上記目的を達成するための本発明の請求項１に係る容器のキャップは、容器の口部に装着して容器を密栓する容器のキャップであって、容器の口部を封止するキャップの封止部は指を掛けるプルリングを備えているとともに、封止部の周囲はプルリングの引き上げにより切除されるスコア部となっており、上記キャップの封止部は、容器の外方に向かって膨出状の薄肉部であることを特徴とするものである。   In order to achieve the above object, a container cap according to claim 1 of the present invention is a container cap that is attached to a mouth of a container to seal the container, and seals the cap for sealing the mouth of the container. The stopper is provided with a pull ring for hooking a finger, and the periphery of the sealing portion is a score portion that is cut out by pulling up the pull ring, and the sealing portion of the cap bulges toward the outside of the container. It is a thin-walled portion.

また、本発明の請求項２に係る容器のキャップは、請求項１記載の構成において、キャップの外方に向かって膨出状の封止部は、容器内の減圧により容器の内方に向かって膨らみが反転するように構成されていることを特徴とするものである。   According to a second aspect of the present invention, there is provided the container cap according to the first aspect, wherein the bulging sealing portion toward the outer side of the cap faces the inner side of the container due to the reduced pressure in the container. Thus, the bulge is configured to be reversed.

また、本発明の請求項３に係る容器のキャップは、請求項１または２記載の構成において、容器のキャップは、容器の口部に被せて打ち込んで容器を密栓する打栓構造であることを特徴とするものである。   Further, the container cap according to claim 3 of the present invention is the structure according to claim 1 or 2, wherein the container cap has a stoppering structure for sealing the container by being driven over the mouth of the container. It is a feature.

本発明によれば、容器の口部を封止するキャップの封止部は指を掛けるプルリングを備えていて、しかもキャップの封止部を容器の外方に向かって膨出状の薄肉部とした構成としたことにより、容器内の減圧に対応して容器に変形歪みを生じさせず、しかも開封が手軽に衛生的にできる容器のキャップが得られるものである。   According to the present invention, the sealing portion of the cap that seals the mouth portion of the container includes a pull ring for hooking a finger, and the sealing portion of the cap is bulged toward the outside of the container and By adopting such a configuration, it is possible to obtain a container cap that can be easily opened in a sanitary manner without causing deformation in the container in response to the reduced pressure in the container.

図１は本発明の一実施の形態に係る容器のキャップの断面図、図２は同上減圧対応により封止部が内方に反転した状態を示す断面図である。また、図３は本発明の他の実施の形態に係る容器のキャップの断面図、図４は本発明のさらに他の実施の形態に係る容器のキャップの断面図である。   FIG. 1 is a cross-sectional view of a cap of a container according to an embodiment of the present invention, and FIG. 2 is a cross-sectional view showing a state in which the sealing portion is inverted inward due to the reduced pressure. FIG. 3 is a cross-sectional view of a container cap according to another embodiment of the present invention, and FIG. 4 is a cross-sectional view of a container cap according to still another embodiment of the present invention.

図１および図２に示すように、本発明に係る容器のキャップ１は、キャップ本体２とヒンジ３により開閉自在の蓋体４とで構成されており、キャップ本体２は、容器の口部（図示せず）に被せて打ち込んで密栓する打栓構造となっている。５は打栓構造部である。なお、キャップ本体２は容器の口部に対するネジ構造であってもよい。   As shown in FIGS. 1 and 2, a cap 1 of the container according to the present invention includes a cap body 2 and a lid 4 that can be opened and closed by a hinge 3, and the cap body 2 includes a mouth portion ( It has a stoppering structure in which it is driven and covered tightly (not shown). Reference numeral 5 denotes a stopper structure. The cap body 2 may have a screw structure with respect to the mouth of the container.

キャップ本体２には、容器の口部を封止するキャップの封止部６を有しており、封止部６はその周囲がスコア部７によって囲まれていて、スコア部７の外周は硬い縁取部８となっている。封止部６にはその上部一端に指を掛けるプルリング９を備えている。封止部６の周囲を囲むスコア部７はプルリング９の引き上げにより容易に切除される部分である。封止部６は、容器の外方に向かって膨出状の薄肉部であり、可逆反転可能な可撓性と弾性とを有している。容器の外方に向かって膨出状の封止部６は、容器内の減圧により容器の内方に向かって膨らみが反転する（図２参照）。１０は指掛け部であって蓋体４を開く際に指先を掛ける突起である。   The cap body 2 has a cap sealing portion 6 that seals the mouth of the container. The sealing portion 6 is surrounded by a score portion 7 and the outer periphery of the score portion 7 is hard. It is a border 8. The sealing part 6 is provided with a pull ring 9 for placing a finger on one end of the upper part. The score portion 7 surrounding the periphery of the sealing portion 6 is a portion that is easily excised by pulling up the pull ring 9. The sealing portion 6 is a thin-walled portion that bulges toward the outside of the container, and has flexibility and elasticity that allow reversible reversal. The bulge-shaped sealing portion 6 that bulges outward from the container reverses its bulge toward the inside of the container due to the reduced pressure in the container (see FIG. 2). Reference numeral 10 denotes a finger hook, which is a protrusion for hooking the fingertip when the lid 4 is opened.

図３または図４にはそれぞれ本発明の他の実施の形態が示されている。図３に示すものは封止部６の形状を波状輪を描くように緩い段構造にしてあって、容器内の減圧により封止部６が反転しやすいようにしてある。図４に示すものは封止部６をさらに大きい段構造にしてある。なお、図３および図４に示すもののその他の構成は図１に示すものと同等であるから、同構成部分には同符号を付してある。   FIG. 3 or FIG. 4 shows another embodiment of the present invention. In the configuration shown in FIG. 3, the shape of the sealing portion 6 is a loose step structure so as to draw a wavy ring so that the sealing portion 6 is easily inverted by the reduced pressure in the container. In FIG. 4, the sealing portion 6 has a larger step structure. 3 and FIG. 4 are the same as those shown in FIG. 1, the same reference numerals are given to the same components.

容器のキャップ１は熱可塑性樹脂の成形により構成されるが、その熱可塑性樹脂としては、スチレン−ブタジエン−スチレンブロックコポリマー、スチレン−エチレン−ブチレン−スチレンブロックコポリマー等の熱可塑性エラストマー、低密度ポリエチレン、中密度ポリエチレン、高密度ポリエチレン、直鎖状低密度ポリエチレン、直鎖状超低密度ポリエチレン、ポリプロピレン、プロピレン−エチレン共重合体などのポリオレフィン系樹脂、ポリエチレンテレフタート樹脂、ナイロン−６、ナイロン−６，６などのポリアミド系樹脂、またはエチレン−酢酸ビニル共重合ケン化物などのバリア性を有する樹脂などを用いることができる。   The cap 1 of the container is formed by molding a thermoplastic resin. Examples of the thermoplastic resin include thermoplastic elastomers such as styrene-butadiene-styrene block copolymers and styrene-ethylene-butylene-styrene block copolymers, low-density polyethylene, Medium density polyethylene, high density polyethylene, linear low density polyethylene, linear ultra-low density polyethylene, polypropylene, polyolefin resins such as propylene-ethylene copolymer, polyethylene terephthalate resin, nylon-6, nylon-6, Polyamide resins such as No. 6 or resins having barrier properties such as saponified ethylene-vinyl acetate copolymer can be used.

本発明に係る容器のキャップ１は、容器に加熱した内容物を充填して容器の口部に装着して容器を密栓する。容器内の内容物は外部からの強制冷却または自然放熱により体積が減少して内容物の充填時より容器内が減圧するが、容器のキャップ１には容器の外方に向かって膨出状の薄肉部からなる封止部６が設けられているので、容器内の減圧に対応して封止部６が容器の内方に向かって反転し、減圧分が吸収される。このため、容器内の減圧によっても容器に変形歪みが生じない。   The container cap 1 according to the present invention fills the container with the heated contents, attaches the container to the mouth of the container, and seals the container. The contents of the container are reduced in volume by forced cooling from the outside or natural heat dissipation, and the inside of the container is depressurized from the time of filling the contents, but the cap 1 of the container has a bulging shape toward the outside of the container Since the sealing portion 6 made of a thin portion is provided, the sealing portion 6 is inverted toward the inside of the container in response to the reduced pressure in the container, and the reduced pressure is absorbed. For this reason, a deformation | transformation distortion does not arise in a container by the pressure reduction in a container.

そして、上記減圧に対応して反転する封止部６には指を掛けるプルリング９を備えているので、プルリング９に指を掛けて引き上げるだけで手軽にしかも衛生的に容器を開封することができる。   And since the sealing part 6 which inverts corresponding to the said pressure reduction is equipped with the pull ring 9 which hangs a finger | toe, a container can be opened easily and hygienically just by putting a finger on the pull ring 9 and pulling up. .

本発明の一実施の形態に係る容器のキャップの断面図である。It is sectional drawing of the cap of the container which concerns on one embodiment of this invention. 同上減圧対応により封止部が内方に反転した状態を示す断面図である。It is sectional drawing which shows the state which the sealing part reversed inward by pressure reduction corresponding to the same. 本発明の他の実施の形態に係る容器のキャップの断面図である。It is sectional drawing of the cap of the container which concerns on other embodiment of this invention. 本発明のさらに他の実施の形態に係る容器のキャップの断面図である。It is sectional drawing of the cap of the container which concerns on other embodiment of this invention.

符号の説明Explanation of symbols

１ 容器のキャップ
２ キャップ本体
３ ヒンジ
４ 蓋体
５ 打栓構造部
６ 封止部
７ スコア部
８ 縁取部
９ プルリング
１０ 指掛け部 DESCRIPTION OF SYMBOLS 1 Cap of container 2 Cap body 3 Hinge 4 Lid body 5 Plugging structure part 6 Sealing part 7 Score part 8 Edge part 9 Pull ring 10 Finger hook part

Claims (3)

容器の口部に装着して容器を密栓する容器のキャップであって、
容器の口部を封止するキャップの封止部は指を掛けるプルリングを備えているとともに、封止部の周囲はプルリングの引き上げにより切除されるスコア部となっており、
上記キャップの封止部は、容器の外方に向かって膨出状の薄肉部である
ことを特徴とする容器のキャップ。 A cap of a container that is attached to the mouth of the container and seals the container,
The sealing part of the cap that seals the mouth part of the container is provided with a pull ring to hang a finger, and the periphery of the sealing part is a score part that is excised by pulling up the pull ring,
The cap of the container is characterized in that the sealing portion of the cap is a thin-walled portion that bulges toward the outside of the container. キャップの外方に向かって膨出状の封止部は、容器内の減圧により容器の内方に向かって膨らみが反転するように構成されていることを特徴とする請求項１記載の容器のキャップ。   2. The container according to claim 1, wherein the bulge-shaped sealing portion toward the outside of the cap is configured so that the bulge is reversed toward the inside of the container by the decompression in the container. cap. 容器のキャップは、容器の口部に被せて打ち込んで容器を密栓する打栓構造であることを特徴とする請求項１または２記載の容器のキャップ。   The container cap according to claim 1 or 2, wherein the container cap has a stoppering structure in which the container cap is driven over the mouth of the container to seal the container tightly.
JP2005192889A 2005-06-30 2005-06-30 Container cap Active JP4612487B2 (en)

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JP4703577B2 (en) 2007-01-17 2011-06-15 株式会社エヌ・ティ・ティ・ドコモ Logical interface setting method, radio base station, communication management device
NZ602121A (en) * 2010-03-17 2014-05-30 Taivex Therapeutics Inc Modulators of hec1 activity and methods therefor
JP5996290B2 (en) * 2012-06-18 2016-09-21 株式会社吉野工業所 cap
CN107719914A (en) * 2017-11-07 2018-02-23 中山市华宝勒生活用品实业有限公司 A kind of draw ring flip structure
JP2020183280A (en) * 2019-04-26 2020-11-12 株式会社吉野工業所 Hinge cap

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3034680A (en) * 1960-05-31 1962-05-15 Herbert L Steinberg Closure
JPS60118652U (en) * 1984-01-20 1985-08-10 東洋製罐株式会社 container lid
JP2002362610A (en) * 2001-06-11 2002-12-18 Toyo Seikan Kaisha Ltd Container cap

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3034680A (en) * 1960-05-31 1962-05-15 Herbert L Steinberg Closure
JPS60118652U (en) * 1984-01-20 1985-08-10 東洋製罐株式会社 container lid
JP2002362610A (en) * 2001-06-11 2002-12-18 Toyo Seikan Kaisha Ltd Container cap

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