JP2006176131A - Aerosol container - Google Patents

Aerosol container Download PDF

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Publication number
JP2006176131A
JP2006176131A JP2004368307A JP2004368307A JP2006176131A JP 2006176131 A JP2006176131 A JP 2006176131A JP 2004368307 A JP2004368307 A JP 2004368307A JP 2004368307 A JP2004368307 A JP 2004368307A JP 2006176131 A JP2006176131 A JP 2006176131A
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container body
opening
neck
container
outer peripheral
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JP2004368307A
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JP4589715B2 (en
Inventor
Takao Okubo
貴生 大久保
Hideya Suzuki
英哉 鈴木
Yoshinori Inagawa
義則 稲川
Yoshiyuki Tsukada
善之 塚田
Takao Iizuka
高雄 飯塚
Shigeki Akita
茂樹 穐田
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Kao Corp
Daizo Corp
Yoshino Kogyosho Co Ltd
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Kao Corp
Daizo Corp
Yoshino Kogyosho Co Ltd
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Abstract

<P>PROBLEM TO BE SOLVED: To provide a highly safe aerosol container surely preventing a valve mechanism from coming out or a container body from bursting by securely forming a path for smoothly discharging contents in the container body to the outside at a high temperature. <P>SOLUTION: The aerosol container 10 has the container body 11 and the valve mechanism 13. The container body 11 has an opening 14 and a neck 15 connecting with the opening 14. The valve mechanism 13 arranged to cover the opening 14 is mounted on the container body 11 via an attaching plate 12 extending to cover from the outer periphery of the opening 14 of the container body 11 to the outer periphery of the neck 15. A groove 26 is formed, which extends from the outer peripheral surface of the opening 14 covered with the plate 12 of the container body 11 to a portion not covered with the plate 12 of the outer peripheral surface of the neck 15. <P>COPYRIGHT: (C)2006,JPO&NCIPI

Description

本発明は、高温下におかれても容器本体の破裂等を防止できるエアゾール容器に関する。   The present invention relates to an aerosol container that can prevent the container body from rupturing even under high temperatures.

エアゾール容器は、容器本体の首部に開口部が連設され、この開口部にバルブ機構が配設され、このバルブ機構が、上記容器本体の上記開口部及び上記首部のそれぞれの外周まで延びた取付プレートによって上記容器本体に取付けられている。   The aerosol container has an opening continuously connected to the neck of the container body, and a valve mechanism is disposed in the opening, and the valve mechanism extends to the outer periphery of each of the opening and the neck of the container body. A plate is attached to the container body.

特許文献１には、高圧下にあっても、バルブ機構の飛び出しや容器本体の破裂を防止できるエアゾール容器として、容器本体の取付プレートに覆われた開口部の外周面に、容器本体の軸方向へ延びる溝を形成するものが開示されている。   In Patent Document 1, as an aerosol container that can prevent the valve mechanism from popping out and the container body from being ruptured even under high pressure, an axial direction of the container body is provided on the outer peripheral surface of the opening covered by the mounting plate of the container body. What forms a groove extending to is disclosed.

特許文献１のエアゾール容器を高圧下におくと、容器本体の開口部及び首部が熱変形し、取付プレートの保持力が弱くなるとともに、容器本体の内部圧力が上昇し、首部の変形により取付プレートの裾部が押し広げられる。この結果、取付プレートが、バルブ機構と共に容器本体の軸方向へ若干移動し、バルブ機構と容器本体との間にリーク通路が形成される。このとき、容器本体の開口部の外周面に容器本体の軸方向へ延びる溝が形成され、かつ押し広げられた取付プレートの裾部が首部の外周面に対して隙間を形成するから、上記リーク通路がこの溝、隙間に連通し、容器本体の内容物がこれらのリーク通路、溝、隙間を経て外部へ排出される。これにより、バルブ機構の飛び出しや容器本体の破裂の防止を図るものである。
特許2757277 When the aerosol container of Patent Document 1 is placed under high pressure, the opening and neck of the container body are thermally deformed, the holding force of the mounting plate is weakened, the internal pressure of the container body is increased, and the mounting plate is deformed by the deformation of the neck. The hem of the is spread. As a result, the mounting plate moves slightly in the axial direction of the container body together with the valve mechanism, and a leak passage is formed between the valve mechanism and the container body. At this time, a groove extending in the axial direction of the container main body is formed on the outer peripheral surface of the opening of the container main body, and the flared portion of the mounting plate forms a gap with respect to the outer peripheral surface of the neck. The passage communicates with the grooves and gaps, and the contents of the container body are discharged to the outside through the leak passages, grooves and gaps. This prevents the valve mechanism from popping out and the container body from rupturing.
Patent 2757277

特許文献１のエアゾール容器では、容器本体の開口部の外周面であって、取付プレートに覆われた範囲内にだけ溝を形成しており、取付プレートの裾部（下縁部）を容器本体の首部に全周隙間なく取付けている。このため、エアゾール容器が高圧下におかれて、容器本体の熱変形した首部が取付プレートの裾部を押し広げても、取付プレートの裾部は首部の外周面に対して必ずしも大きな隙間を拡開できず、容器本体の内容物の種類によってはこの隙間経由で外部へスムースに排出するのが困難になることがある。また、容器によっては首元が大きく変形することでマウンテンカップの端面に食い込むようになり、ミゾ部を覆ってしまうこともある。   In the aerosol container of Patent Document 1, a groove is formed only on the outer peripheral surface of the opening of the container main body and covered with the mounting plate, and the bottom (lower edge) of the mounting plate is used as the container main body. It is attached to the neck part of the no gap all around. For this reason, even when the aerosol container is placed under high pressure and the thermally deformed neck of the container body pushes the hem of the mounting plate wide, the hem of the mounting plate does not necessarily expand a large gap with respect to the outer peripheral surface of the neck. Depending on the type of contents of the container main body, it may be difficult to smoothly open the gap through the gap. In addition, depending on the container, the neck may be greatly deformed to bite into the end face of the mountain cup and cover the groove.

本発明の課題は、高温下で、容器本体の内容物を外部へスムースに排出するための経路の形成をより確実にしたエアゾール容器を提供することにある。   The subject of this invention is providing the aerosol container which formed more reliably the path | route for discharging | emitting the contents of a container main body to the exterior smoothly under high temperature.

請求項１の発明は、容器本体とバルブ機構とを有するエアゾール容器であって、容器本体は、開口部と開口部に連設する首部を有し、上記開口部を覆うように配された上記バルブ機構が、上記容器本体の上記開口部外周より上記首部の外周までを覆うように延びた取付プレートによって上記容器本体に取付けられ、上記容器本体の上記取付プレートに覆われた上記開口部の外周面から、上記首部の外周面の上記取付プレートに覆われない部分に至る溝が形成されたものである。   Invention of Claim 1 is an aerosol container which has a container main body and a valve mechanism, Comprising: The container main body has a neck part connected to an opening part and an opening part, and is arranged so that the opening part may be covered A valve mechanism is attached to the container body by a mounting plate extending so as to cover from the outer periphery of the opening of the container body to the outer periphery of the neck, and the outer periphery of the opening covered by the mounting plate of the container body A groove extending from the surface to a portion of the outer peripheral surface of the neck portion that is not covered by the mounting plate is formed.

エアゾール容器１０は、図１に示す如く、容器本体１１の開口部１４に、取付プレートとしてのマウンティングカップ１２を介してバルブ機構１３が取付けられて構成される。容器本体１１内に液体や気体の内容物が充填され、この内容物がバルブ機構１３の操作により外部へ吐出される。   As shown in FIG. 1, the aerosol container 10 is configured by attaching a valve mechanism 13 to an opening 14 of a container body 11 via a mounting cup 12 as an attachment plate. The container body 11 is filled with liquid or gaseous contents, and the contents are discharged to the outside by the operation of the valve mechanism 13.

容器本体１１は、ポリエチレンテレフタレート等のプラスチック樹脂にて、上記開口部１４、首部１５、胴部及び底部（不図示）が順次連続して成形されたものである。この容器本体１１は通常、約70℃以上の高温下で熱変形する。また、この容器本体１１の開口部１４は、首部１５に対し外方へ膨出して形成される。   The container body 11 is made of a plastic resin such as polyethylene terephthalate, in which the opening 14, the neck 15, the trunk, and the bottom (not shown) are successively formed. The container body 11 is usually thermally deformed at a high temperature of about 70 ° C. or higher. The opening 14 of the container body 11 is formed to bulge outward with respect to the neck 15.

バルブ機構１３は、フランジ部１８Ａを有するバルブハウジング１８に、ステム１９が軸方向に移動自在に内蔵され、容器本体１１の底部まで延びるディップチューブ２０が嵌合されたものである。バルブハウジング１８のフランジ１８Ａが、容器本体１１の開口部１４の上面１４Ａにパッキン２１を介して載置される。前記マウンティングカップ１２は、このフランジ部１８Ａから容器本体１１の開口部１４の外周を覆い、その裾部（下縁部）１２Ａが首部１５の開口部１４側外周まで延びて該首部１５の全周に隙間なく被着し、バルブハウジング１８を容器本体１１に取付ける。このマウンティングカップ１２は、例えばアルミニウム合金等にて構成される。   The valve mechanism 13 is configured such that a stem 19 is incorporated in a valve housing 18 having a flange portion 18 </ b> A so as to be movable in the axial direction, and a dip tube 20 extending to the bottom of the container body 11 is fitted. A flange 18 </ b> A of the valve housing 18 is placed on the upper surface 14 </ b> A of the opening 14 of the container body 11 via the packing 21. The mounting cup 12 covers the outer periphery of the opening portion 14 of the container body 11 from the flange portion 18A, and the hem portion (lower edge portion) 12A extends to the outer periphery of the neck portion 15 on the opening portion 14 side. The valve housing 18 is attached to the container body 11 with no gap. The mounting cup 12 is made of, for example, an aluminum alloy.

ステム１９とバルブハウジング１８との間にコイルスプリング２２が介在される。また、ステム１９には、軸方向に延びる吐出通路２３が穿設されるとともに、この吐出通路２３に連通し、外周面に対向する連通路２４が半径方向に形成される。更に、バルブハウジング１８の天面とマウンティングカップ１２との間に、連通路２４の開口を閉止可能とするステムラバー２５が介装される。従って、通常時には、コイルスプリング２２の付勢力によって連通路２４がステムラバー２５により閉止され、ステム１９をコイルスプリング２２の付勢力に抗して押圧することにより連通路２４が開かれて、容器本体１１の内容物がディップチューブ２０を経て、バルブハウジング１８内及び連通路２４を通り、吐出通路２３から外部へ吐出される。   A coil spring 22 is interposed between the stem 19 and the valve housing 18. The stem 19 is provided with a discharge passage 23 extending in the axial direction, and a communication passage 24 communicating with the discharge passage 23 and facing the outer peripheral surface is formed in the radial direction. Further, a stem rubber 25 that can close the opening of the communication passage 24 is interposed between the top surface of the valve housing 18 and the mounting cup 12. Therefore, at normal times, the communication path 24 is closed by the stem rubber 25 by the biasing force of the coil spring 22, and the communication path 24 is opened by pressing the stem 19 against the biasing force of the coil spring 22, so that the container body 11 contents are discharged from the discharge passage 23 to the outside through the dip tube 20, through the valve housing 18 and the communication passage 24.

容器本体１１は開口部１４の外周面の下端部（首部１５側端部）をテーパ面１４Ｂとし、このテーパ面１４Ｂに首部１５の外周面を連続し、開口部１４及び首部１５の外周面を覆うマウンティングカップ１２の裾部１２Ａを首部１５の全周に被着させるに際し、マウンティングカップ１２に覆われた開口部１４及び首部１５のそれぞれの外周面から、マウンティングカップ１２に覆われない首部１５の外周面に至る溝２６を形成してある。溝２６は、開口部１４及び首部１５の外周に１個以上形成される。溝２６は、開口部１４の外周面であって、テーパ面１４Ｂを一部に含む下側部に設けられる溝部２６Ａと、溝部２６Ａの溝底中間部〜首部１５の外周面におけるマウンティングカップ１２の裾部１２Ａが被着していない部分に渡って設けられる溝部２６Ｂとからなる。溝２６は、マウンティングカップ１２の内部から裾部１２Ａの下を外部に向けてくぐり抜けるものになる。   The container body 11 has a lower end (neck 15 side end) of the outer peripheral surface of the opening 14 as a tapered surface 14B, the outer peripheral surface of the neck 15 is continuous with the tapered surface 14B, and the outer peripheral surfaces of the opening 14 and the neck 15 are formed. When the skirt portion 12A of the covering mounting cup 12 is attached to the entire circumference of the neck portion 15, the opening portion 14 covered by the mounting cup 12 and the outer peripheral surface of the neck portion 15 are connected to the neck portion 15 that is not covered by the mounting cup 12. A groove 26 reaching the outer peripheral surface is formed. One or more grooves 26 are formed on the outer periphery of the opening 14 and the neck 15. The groove 26 is an outer peripheral surface of the opening 14, and is a groove portion 26 </ b> A provided on a lower side part including the tapered surface 14 </ b> B, and the mounting cup 12 on the outer peripheral surface of the groove bottom intermediate portion to the neck portion 15 of the groove portion 26 </ b> A. It consists of a groove portion 26B provided over a portion where the skirt portion 12A is not attached. The groove 26 passes through from the inside of the mounting cup 12 to the outside under the bottom portion 12A.

従って、エアゾール容器１０は、開口部１４及び首部１５の外周面に溝２６を備えたから、以下の作用効果を奏する。即ち、エアゾール容器１０を高温下におくと、図２に示す如く、容器本体１１の開口部１４及び首部１５が熱変形し、マウンティングカップ１２の保持力が弱くなるとともに、容器本体の内部圧力が上昇し、首部１５の変形によりマウンティングカップ１２の裾部１２Ａが押し広げられる。この結果、マウンティングカップ１２が、バルブ機構１３とともに容器本体１１の軸方向へ若干移動し、バルブ機構１３のフランジ部１８Ａと容器本体１１の開口部１４の上面１４Ａとの間にリーク通路２７が形成される。このとき、容器本体１１のマウンティングカップ１２に覆われた開口部１４及び首部１５のそれぞれの外周面から、マウンティングカップ１２に覆われない首部１５の外周面に至る溝２６が形成されているから、上記リーク通路２７がマウンティングカップ１２の周方向の一部においてその下をくぐり抜けるこの溝２６を介して外部に連通し、容器本体１１の内容物がこれらのリーク通路２７、溝２６を経てスムースに外部へ排出される。   Therefore, since the aerosol container 10 includes the grooves 26 on the outer peripheral surfaces of the opening 14 and the neck 15, the following operational effects are achieved. That is, when the aerosol container 10 is kept at a high temperature, as shown in FIG. 2, the opening 14 and the neck 15 of the container body 11 are thermally deformed, the holding force of the mounting cup 12 is weakened, and the internal pressure of the container body is reduced. The skirt portion 12A of the mounting cup 12 is pushed and expanded by the deformation of the neck portion 15. As a result, the mounting cup 12 moves slightly in the axial direction of the container body 11 together with the valve mechanism 13, and a leak passage 27 is formed between the flange portion 18A of the valve mechanism 13 and the upper surface 14A of the opening portion 14 of the container body 11. Is done. At this time, grooves 26 are formed from the outer peripheral surfaces of the opening 14 and the neck portion 15 covered by the mounting cup 12 of the container body 11 to the outer peripheral surface of the neck portion 15 not covered by the mounting cup 12. The leak passage 27 communicates with the outside through the groove 26 that passes through a part of the mounting cup 12 in the circumferential direction, and the contents of the container body 11 are smoothly externally passed through the leak passage 27 and the groove 26. Is discharged.

尚、エアゾール容器１０は、容器本体１１の内周面を中子により、容器本体１１の外周面を割型により金型成形して構成する。このとき、容器本体１１の開口部１４及び首部１５の外周面に設ける溝２６は、その全面を割型の型抜き方向Ａに臨ませる。   The aerosol container 10 is formed by molding the inner peripheral surface of the container body 11 with a core and the outer peripheral surface of the container body 11 with a split mold. At this time, the groove 26 provided on the outer peripheral surface of the opening 14 and the neck 15 of the container main body 11 faces the entire surface in the mold release direction A of the split mold.

図３の容器本体１１は、開口部１４及び首部１５の外周面であって、２個の割型の分割ラインＰＬに直交する直径上の２位置に各1個（従って全2個）の溝２６を設けた例である。各溝２６は全面を型抜き方向Ａに向けて拡開する状態で臨ませている。   The container body 11 in FIG. 3 is an outer peripheral surface of the opening portion 14 and the neck portion 15, and one groove (and thus two in total) is provided at two positions on the diameter perpendicular to the two split-type dividing lines PL. 26 is provided. Each groove 26 faces the entire surface in a state of expanding toward the die cutting direction A.

図４の容器本体１１は、開口部１４及び首部１５の外周面であって、2個の割型の分割ラインＰＬによって分割された各半周部分のそれぞれに各2個（従って全4個）の溝２６を設けた例である。各溝２６は一面を型抜き方向Ａに平行に臨ませ、残りの面を型抜き方向Ａに向けて拡開する状態で臨ませている。   The container body 11 shown in FIG. 4 is an outer peripheral surface of the opening 14 and the neck 15, and each of the half peripheries divided by the two split-type dividing lines PL has two pieces (and thus four pieces in total). This is an example in which a groove 26 is provided. Each groove 26 faces one side parallel to the die cutting direction A, and faces the other surface in a state of expanding toward the die cutting direction A.

図３、図４の容器本体１１にあっては、開口部１４及び首部１５の外周面に形成される溝２６の全面を割型の型抜き方向Ａに臨ませた。従って、容器本体１１の金型成形により、開口部１４及び首部１５の外周面の周方向の複数位置に溝２６を形成するに際し、溝２６を損傷させることなく割型を型抜きできる。   In the container main body 11 of FIGS. 3 and 4, the entire surface of the groove 26 formed on the outer peripheral surface of the opening 14 and the neck portion 15 is faced in the mold release direction A of the split mold. Therefore, when the grooves 26 are formed at a plurality of positions in the circumferential direction of the outer peripheral surface of the opening 14 and the neck portion 15 by molding the container body 11, the split mold can be punched without damaging the grooves 26.

図１はエアゾール容器の要部を示す断面図である。FIG. 1 is a cross-sectional view showing a main part of an aerosol container. 図２は高圧下におかれたエアゾール容器の要部を示す断面図である。FIG. 2 is a cross-sectional view showing the main part of the aerosol container placed under high pressure. 図３は2個の溝を形成した容器本体を示し、（Ａ）は開口部の平面図、（Ｂ）は開口部の側面図、（Ｃ）は溝の縦断面図である。FIG. 3 shows a container body in which two grooves are formed, (A) is a plan view of the opening, (B) is a side view of the opening, and (C) is a longitudinal sectional view of the groove. 図４は4個の溝を形成した容器本体を示し、（Ａ）は開口部の平面図、（Ｂ）は開口部の側面図、（Ｃ）は溝の縦断面図である。FIG. 4 shows a container body in which four grooves are formed, (A) is a plan view of the opening, (B) is a side view of the opening, and (C) is a longitudinal sectional view of the groove.

符号の説明Explanation of symbols

１０ エアゾール容器
１１ 容器本体
１２ マウンティングカップ（取付プレート）
１３ バルブ機構
１４ 開口部
１５ 首部
２６ 溝 10 Aerosol container 11 Container body 12 Mounting cup (mounting plate)
13 Valve mechanism 14 Opening 15 Neck 26 Groove

Claims (2)

容器本体とバルブ機構とを有するエアゾール容器であって、容器本体は、開口部と開口部に連設する首部を有し、上記開口部を覆うように配された上記バルブ機構が、上記容器本体の上記開口部外周より上記首部の外周までを覆うように延びた取付プレートによって上記容器本体に取付けられ、
上記容器本体の上記取付プレートに覆われた上記開口部の外周面から、上記首部の外周面の上記取付プレートに覆われない部分に至る溝が形成されたエアゾール容器。 An aerosol container having a container body and a valve mechanism, wherein the container body has an opening and a neck portion connected to the opening, and the valve mechanism arranged to cover the opening includes the container body. It is attached to the container body by a mounting plate extending so as to cover from the outer periphery of the opening to the outer periphery of the neck,
The aerosol container in which the groove | channel which extends from the outer peripheral surface of the said opening part covered with the said attachment plate of the said container main body to the part which is not covered with the said attachment plate of the outer peripheral surface of the said neck part was formed. 前記容器本体の外周面が割型を用いて金型成形されるものであり、前記溝の全面を該割型の型抜き方向に臨ませてなる請求項１に記載のエアゾール容器。   The aerosol container according to claim 1, wherein the outer peripheral surface of the container body is molded by using a split mold, and the entire surface of the groove faces the mold release direction of the split mold.
JP2004368307A 2004-12-20 2004-12-20 Aerosol container Active JP4589715B2 (en)

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JP2006176131A true JP2006176131A (en) 2006-07-06
JP4589715B2 JP4589715B2 (en) 2010-12-01

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Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2013249073A (en) * 2012-05-30 2013-12-12 Yoshino Kogyosho Co Ltd Aerosol container
JP2013249074A (en) * 2012-05-30 2013-12-12 Yoshino Kogyosho Co Ltd Aerosol container
CN109987339A (en) * 2018-01-03 2019-07-09 宝洁公司 Dissipate aerosol dispenser, its outer container and its performing member of ventilation
CN110139809A (en) * 2016-12-02 2019-08-16 约翰逊父子公司 Pressurization distribution system including plastic bottle
US10518961B2 (en) 2017-11-06 2019-12-31 The Procter & Gamble Company Aerosol dispenser with improved neck geometry outer container therefor and preform therefor
US10589921B2 (en) 2017-11-06 2020-03-17 The Procter & Gamble Company Aerosol dispenser with integral vent outer container therefor and preform therefor
WO2020076753A1 (en) * 2018-10-08 2020-04-16 The Procter & Gamble Company Aerosol dispenser

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JPH07149382A (en) * 1993-11-22 1995-06-13 Osaka Zosenjo:Kk Aerosol device with safety mechanism
JPH07300168A (en) * 1994-04-28 1995-11-14 Kao Corp Aerosol container
JPH10218261A (en) * 1997-01-31 1998-08-18 Toyo Seikan Kaisha Ltd Container of double structure

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH07149382A (en) * 1993-11-22 1995-06-13 Osaka Zosenjo:Kk Aerosol device with safety mechanism
JPH07300168A (en) * 1994-04-28 1995-11-14 Kao Corp Aerosol container
JPH10218261A (en) * 1997-01-31 1998-08-18 Toyo Seikan Kaisha Ltd Container of double structure

Cited By (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2013249073A (en) * 2012-05-30 2013-12-12 Yoshino Kogyosho Co Ltd Aerosol container
JP2013249074A (en) * 2012-05-30 2013-12-12 Yoshino Kogyosho Co Ltd Aerosol container
CN110139809A (en) * 2016-12-02 2019-08-16 约翰逊父子公司 Pressurization distribution system including plastic bottle
CN110139809B (en) * 2016-12-02 2021-07-02 约翰逊父子公司 Pressurized dispensing system including plastic bottle
US10518961B2 (en) 2017-11-06 2019-12-31 The Procter & Gamble Company Aerosol dispenser with improved neck geometry outer container therefor and preform therefor
US10589921B2 (en) 2017-11-06 2020-03-17 The Procter & Gamble Company Aerosol dispenser with integral vent outer container therefor and preform therefor
CN109987339A (en) * 2018-01-03 2019-07-09 宝洁公司 Dissipate aerosol dispenser, its outer container and its performing member of ventilation
EP3508439A1 (en) * 2018-01-03 2019-07-10 The Procter & Gamble Company Divergently vented aerosol dispenser outer container therefor and preform therefor
CN109987339B (en) * 2018-01-03 2020-10-09 宝洁公司 Aerosol dispenser with divergent ventilation, outer container thereof and preform thereof
US10894657B2 (en) 2018-01-03 2021-01-19 The Procter & Gamble Company Divergently vented aerosol dispenser outer container therefor and preform therefor
WO2020076753A1 (en) * 2018-10-08 2020-04-16 The Procter & Gamble Company Aerosol dispenser
US10836561B2 (en) 2018-10-08 2020-11-17 The Procter & Gamble Company Aerosol dispenser

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