JP4678679B2 - Aerosol liquid ejection container - Google Patents

Aerosol liquid ejection container Download PDF

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JP4678679B2
JP4678679B2 JP2005316887A JP2005316887A JP4678679B2 JP 4678679 B2 JP4678679 B2 JP 4678679B2 JP 2005316887 A JP2005316887 A JP 2005316887A JP 2005316887 A JP2005316887 A JP 2005316887A JP 4678679 B2 JP4678679 B2 JP 4678679B2
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aerosol
stem
cap
peripheral wall
liquid ejection
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義幸 角田
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Yoshino Kogyosho Co Ltd
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Description

本発明は、エアゾール式液体噴出容器に関する。   The present invention relates to an aerosol type liquid ejection container.

エアゾール式液体噴出容器内には液体が無くなった後にもエアゾールガスが残っていることが多く、そのまま廃棄すると残存ガスが急激に噴出することで爆発等する危険がある。その爆発等を避けて残存ガスを徐々に排出させるためには、エアゾール缶頂壁を貫通して起立するステムを、残存ガスが無くなるまで押続けることが望ましい。そのため上記ステム押下げ用のキャップ状押釦を別に設けて、エアゾール缶内の液体が無くなった後に上記押釦をステムに嵌合させ、かつ押下げしてステム内を通して缶内ガスを放出できるようにすることが知られている（特許文献１）。
特開２００２−１２２７６号公報。 In many cases, aerosol gas remains in the aerosol-type liquid ejection container even after the liquid has run out. If it is discarded as it is, there is a risk of explosion due to a sudden ejection of the remaining gas. In order to avoid the explosion and discharge the remaining gas gradually, it is desirable to keep pushing the stem that stands up through the top wall of the aerosol can until there is no remaining gas. For this reason, a cap-like push button for pushing down the stem is provided separately so that after the liquid in the aerosol can is exhausted, the push button is fitted to the stem and pushed down so that gas in the can can be released through the stem. It is known (Patent Document 1).
Japanese Patent Application Laid-Open No. 2002-12276.

上記従来例が示す、ステム押下げ用のキャップ状押釦は、エアゾール缶内液体が無くなった後にだけ使用するものであるから、容器購入後、そのエアゾール缶内液体が無くなるまで長期にわたって上記キャップ状押釦を保存することが必要であり、又そのキャップ状押釦は比較的小さいため、保存途中で収納場所を忘れたり、又紛失するおそれがあった。   The cap-like push button for stem depression shown in the above-mentioned conventional example is used only after the liquid in the aerosol can is exhausted. Therefore, after the container is purchased, the cap-shaped push button is used for a long time until the liquid in the aerosol can disappears. Since the cap-shaped pushbutton is relatively small, the storage location may be forgotten or lost during storage.

本発明は、エアゾール缶上部へ嵌合させるキャップと押下げヘッドとの各一部を変更させて缶内液体がなくなった後にステムに対する押下げヘッドの嵌合位置を変えた状態で上記キャップを嵌合させると、ステムが押下げられて容器体内残存ガスを残さずに排出できるよう設けたものである。   In the present invention, the cap is fitted in a state in which the fitting position of the push-down head with respect to the stem is changed after the cap and the push-down head to be fitted to the upper portion of the aerosol can are partially changed so that the liquid in the can disappears. When combined, the stem is pushed down so that it can be discharged without leaving any residual gas in the container.

第１の手段としてエアゾール缶上面から上方付勢されて起立するステム６上部へ押下げヘッド11を、該ヘッド押下げでエアゾール缶内液体が押下げヘッドの液体噴出通路を通って噴出可能に嵌合させ、かつ該ヘッドを覆いエアゾール缶上部へキャップ31を着脱自在に嵌合させたエアゾール式液体噴出容器において、
上記押下げヘッド内の液体噴出通路17側方に下端を押下げヘッド11下面へかつ上部を押下げヘッド外方へ、それぞれ開口する排気通路19を穿設すると共に、上記キャップ31の一部へ排気路を形成しておき、
上記液体噴出通路下部内に形成したステム第１嵌合部18よりも、排気通路19の下部内に設けたステム第２嵌合部22を浅く設けて、該ステム第２嵌合部内へステム６を嵌め変えてエアゾール缶１上部へキャップ31を嵌合させたとき、押下げヘッド11を介してキャップ31が吐出弁開弁位置までステム６を押下げ可能とした。 As a first means, the push-down head 11 is fitted to the upper portion of the stem 6 that is erected upward from the upper surface of the aerosol can so that the liquid in the aerosol can can be ejected through the liquid ejection passage of the push-down head. And an aerosol-type liquid ejection container in which the cap 31 is detachably fitted to the top of the aerosol can covering the head,
An exhaust passage 19 is opened to the side of the liquid ejection passage 17 in the push-down head, the lower end is on the lower surface of the push-down head 11 and the upper portion is outward of the push-down head, and the cap 31 is partly opened. Form an exhaust passage,
A stem second fitting portion 22 provided in the lower portion of the exhaust passage 19 is provided shallower than the stem first fitting portion 18 formed in the lower portion of the liquid ejection passage, and the stem 6 is inserted into the stem second fitting portion. When the cap 31 is fitted to the upper part of the aerosol can 1 by changing the fitting, the cap 31 can be pushed down to the discharge valve opening position via the push-down head 11.

第２の手段として、上記第１の手段を有ると共に、上記エアゾール缶の周壁上部を、上方小径のテーパ部３として上端に大外径のリング状部４を付設し、該リング状部の下端外面と上記テーパ部上端との間に凹条５を周設した形状となし、
キャップ31の頂壁32から垂下させた内周壁34下端内面に突条35を付設して、キャップ嵌合時にその突条35を上記凹条５へ強制離脱可能に嵌合させると共に、頂壁32外周から垂下させた外周壁33をエアゾール缶周壁の外径とほぼ同径としてその外周壁33下端を上記テーパ部３の下端上面へ近接させた。 As the second means, the first means is provided, and the upper part of the peripheral wall of the aerosol can is provided with an upper small-diameter tapered part 3 and a large outer-diameter ring-shaped part 4 attached to the upper end, and the lower end of the ring-shaped part. There is a shape in which a recess 5 is provided between the outer surface and the upper end of the tapered portion,
A protrusion 35 is attached to the inner surface of the lower end of the inner peripheral wall 34 suspended from the top wall 32 of the cap 31 so that the protrusion 35 can be forcibly detached from the recess 5 when the cap is fitted. The outer peripheral wall 33 suspended from the outer periphery was made substantially the same diameter as the outer diameter of the aerosol can peripheral wall, and the lower end of the outer peripheral wall 33 was brought close to the upper surface of the lower end of the tapered portion 3.

押下げヘッド11の液体噴出通路17側方へ排気通路19を設けて、液体噴出通路下端部内のステム第１嵌合部18よりも排気通路下端部内のステム第２嵌合部22を浅く設けて、ステム第２嵌合部22内へステム６を嵌め変え、かつエアゾール缶上部へキャップ31を嵌合させたとき、押下げヘッド11を介してキャップ31が吐出弁開口位置までステム６を押下げるよう設けているから、該状態からキャップ31を嵌合させると、エアゾール缶内残圧ガスは、排気通路19の排出口20を通り、更にキャップに設けた排気通路19を通って外方へ残らず排出されることとなる。又キャップを残存ガス放出時に使用するためには、紛失防止のために液体噴出時を除いて常時キャップをエアゾール缶上部へ嵌合させる習慣をつけることが望ましいが、このような習慣をつけることで押下げヘッドの上壁ないしノズル孔等への埃等付着を防止できると共に、上記残存ガス放出の際にキャップの所在が不明となって困ることがない。   An exhaust passage 19 is provided to the side of the liquid ejection passage 17 of the push-down head 11, and a stem second fitting portion 22 in the lower end portion of the exhaust passage is provided shallower than the first stem fitting portion 18 in the lower end portion of the liquid ejection passage. When the stem 6 is reinserted into the second stem fitting portion 22 and the cap 31 is fitted to the upper portion of the aerosol can, the cap 31 pushes down the stem 6 to the discharge valve opening position via the push-down head 11. Therefore, when the cap 31 is fitted from this state, the residual pressure gas in the aerosol can passes through the discharge port 20 of the exhaust passage 19 and further to the outside through the exhaust passage 19 provided in the cap. Will be discharged. In order to use the cap when discharging residual gas, it is desirable to always fit the cap to the top of the aerosol can except for liquid ejection to prevent loss. It is possible to prevent dust and the like from adhering to the upper wall or nozzle hole of the pressing head, and there is no problem because the location of the cap is unknown when the residual gas is discharged.

請求項２記載のようにすることで、キャップの内周壁34下端内面の突条35をエアゾール缶テーパ部３上端の凹条５へ係合させて、ステム６を押下げした残存ガス放出状態とすることが容易であり、又エアゾール缶上部外面へキャップを嵌合させた状態の外観をよくすることが出来る。   According to the second aspect of the present invention, the protruding state 35 on the inner surface of the lower end of the inner peripheral wall 34 of the cap is engaged with the concave portion 5 on the upper end of the aerosol can taper 3 and the stem 6 is pushed down, It is easy to do, and the appearance of the state where the cap is fitted to the outer surface of the upper portion of the aerosol can can be improved.

以下図面について説明すると、１は公知のエアゾール缶で胴部２上部を上方小径のテーパ部３として、その上端にテーパ部上端よりも大外径のリング状部４を付設している。該リング状部はエアゾール缶頂壁外周と上記テーパ部上方とを共に巻締めして形成しており、リング状部外面下端外周に凹条５を周設させている。エアゾール缶頂壁中央部からは、その中央部を貫設させて下端に吐出弁を有するステム６を上方付勢させて起立させており、付勢に抗してステムを押下げすると、下端の吐出弁が開いてエアゾール缶内液体が噴出する。   Referring to the drawings, reference numeral 1 denotes a known aerosol can. The upper portion of the body portion 2 is formed as an upper small diameter tapered portion 3, and a ring-shaped portion 4 having a larger outer diameter than the upper end of the tapered portion is attached to the upper end thereof. The ring-shaped part is formed by winding together the outer periphery of the top wall of the aerosol can and the upper part of the taper part, and the recess 5 is provided around the outer periphery of the lower end of the outer surface of the ring-shaped part. From the center part of the aerosol can top wall, the stem 6 having a discharge valve at the lower end is urged upward by penetrating the center part. When the stem is pushed down against the bias, The discharge valve opens and the liquid in the aerosol can is ejected.

上記ステム６の上端部へは、押下げヘッド11を嵌合させている。該押下げヘッドは、上壁12外周から周壁13を垂下し、又上壁中央部から液体噴出筒14を垂下し、該液体噴出筒上部から上壁12を兼用させて周壁上部外方へノズル15を突出させ、該ノズル先端にノズル孔16を穿設している。それ等液体噴出筒とノズル内面とノズル孔とが液体噴出通路17を形成する。該通路下部内をステム第１嵌合部18とする。   A pressing head 11 is fitted to the upper end portion of the stem 6. The pressing head hangs down the peripheral wall 13 from the outer periphery of the upper wall 12, hangs down the liquid ejection cylinder 14 from the center of the upper wall, and also uses the upper wall 12 from the upper part of the liquid ejection cylinder as a nozzle outwardly from the upper part of the peripheral wall. A nozzle hole 16 is formed at the tip of the nozzle. The liquid ejection cylinder, the nozzle inner surface and the nozzle hole form a liquid ejection passage 17. The lower portion of the passage is referred to as a stem first fitting portion 18.

本発明エアゾール缶にあっては、上記ノズル15下方の液体噴出筒部分と周壁13との間に排気通路19を形成している。該排気通路は上記ノズル孔16下方の周壁部分に放出口20を開孔させている。排気通路形成筒21は周壁13下端面よりもやや下方まで垂下させており、又排気通路下部内をステム第２嵌合部22としている。該排気通路のステム第２嵌合部は既述液体噴出路のステム第１嵌合部18よりも浅く、即ち短く形成しており、図１と図２との比較から理解出来るようにステム第１嵌合部18内へステムを嵌合させたときは押下げヘッド11上壁の位置が低く、又ステム第２嵌合部22内へステムを嵌合させたときは押下げヘッド11上壁の位置が高くなるよう設けている。   In the aerosol can of the present invention, an exhaust passage 19 is formed between the liquid jet cylinder portion below the nozzle 15 and the peripheral wall 13. In the exhaust passage, a discharge port 20 is opened in a peripheral wall portion below the nozzle hole 16. The exhaust passage forming cylinder 21 is suspended to a position slightly below the lower end surface of the peripheral wall 13, and the lower portion of the exhaust passage is used as a stem second fitting portion 22. The stem second fitting portion of the exhaust passage is shallower, that is, shorter than the stem first fitting portion 18 of the liquid jet passage described above. As can be understood from the comparison between FIG. 1 and FIG. When the stem is fitted into the first fitting portion 18, the position of the upper wall of the pressing head 11 is low, and when the stem is fitted into the second fitting portion 22 of the stem, the upper wall of the pressing head 11. The position of is set high.

31はエアゾール缶上部へ嵌合させる従来公知のキャップで、頂壁32外周からエアゾール缶胴部２の外径とほぼ同外径の外周壁33を垂下し、又その外周壁内方の頂壁部分からリング状部４外面へ嵌合させて内周壁34を垂下させている。尚外周壁は必ずしも必要でなく、内周壁だけで周壁を形成してもよい。   31 is a conventionally known cap that is fitted to the upper part of the aerosol can. The outer wall 33 is suspended from the outer periphery of the top wall 32 and has the same outer diameter as the outer diameter of the aerosol can body 2, and the inner top wall of the outer peripheral wall. The inner peripheral wall 34 is suspended by being fitted from the portion to the outer surface of the ring-shaped portion 4. The outer peripheral wall is not always necessary, and the peripheral wall may be formed only by the inner peripheral wall.

本発明キャップにあっては、上記内周壁34の下端内面に突条35を周設させて、キャップ嵌合時にその突条35がリング状部４下端外面の凹条５内へ強制離脱可能としており、又外周壁33下端はテーパ状部３の下端上面へ近接するよう設け、図１が示すように、液体噴出通路17下部のステム第１嵌合部18内へステム６を嵌合させた状態で、頂壁32中央部から垂下させた短筒36下端面が押下げヘッド11の上壁へ近接するよう設け、図３が示すように、ステム第２嵌合部22内へステム６を嵌合させた状態でキャップ31を嵌合させると、上記短筒36が押下げヘッド11上壁を押下げることでステム６が、該ステム下端の吐出弁開弁位置まで押下げられて、上記放出口20および内周壁34に穿設した透孔37を通って、更に外周壁33下端とテーパ状部３の下端上面との間を通ってエアゾール缶内の残存ガスが外方へ放出されるよう設けている。   In the cap of the present invention, a protrusion 35 is provided around the inner surface of the lower end of the inner peripheral wall 34 so that the protrusion 35 can be forcibly detached into the recess 5 on the outer surface of the lower end of the ring-shaped portion 4 when the cap is fitted. In addition, the lower end of the outer peripheral wall 33 is provided so as to be close to the upper surface of the lower end of the tapered portion 3, and the stem 6 is fitted into the first stem fitting portion 18 below the liquid ejection passage 17 as shown in FIG. In this state, the bottom end surface of the short cylinder 36 suspended from the central portion of the top wall 32 is provided so as to be close to the upper wall of the pressing head 11, and the stem 6 is inserted into the stem second fitting portion 22 as shown in FIG. When the cap 31 is fitted in the fitted state, the stem 6 is pushed down to the discharge valve opening position at the lower end of the stem by the short cylinder 36 pushing down the upper wall of the push-down head 11, It passes through the discharge port 20 and the through-hole 37 formed in the inner peripheral wall 34, and further passes between the lower end of the outer peripheral wall 33 and the upper surface of the lower end of the tapered portion 3. Thus, the residual gas in the aerosol can is provided to be discharged outward.

上記構成において、容器購入時においては図１が示すようにステム６上部へ押下げヘッドのステム第１嵌合部18が嵌合させてあり、該状態からキャップ31を外し、押下げヘッド11を押下げすると、ステム下降による吐出弁開弁によりステム６および液体噴出通路17、ノズル孔16内を通ってエアゾール缶内の高圧液体が噴出する。液体噴出後は図１のようにキャップ31を嵌合させる。該キャップ着脱および押下げヘッド押下げの反復によりエアゾール缶内液体が無くなった後、キャップを外し、押下げヘッド11を外して図２のように該押下げヘッドのステム第２嵌合部22内へステム６上部を嵌合させ、該状態から図３のようにキャップ31を嵌合させて内周壁34下端の突条35をリング状部４の下端外面へ形成した凹条５内へ嵌合させる。該状態でキャップ31頂壁から垂下させた短筒36は押下げヘッド11を介してステム６を吐出弁開弁位置まで押下げることとなり、よってエアゾール缶内の残存ガスは排気通路19、放出口20、更に図示例ではキャップ内周壁の透孔37、更に又外周壁33下端とテーパ部３の下端上面との間の隙間を通ってその残存ガスが無くなるまで放出される。   In the above configuration, when the container is purchased, as shown in FIG. 1, the stem first fitting portion 18 of the push-down head is fitted to the upper portion of the stem 6, and the cap 31 is removed from this state, and the push-down head 11 is moved. When pushed down, the high pressure liquid in the aerosol can is ejected through the stem 6, the liquid ejection passage 17, and the nozzle hole 16 by opening the discharge valve by lowering the stem. After the liquid ejection, the cap 31 is fitted as shown in FIG. After the liquid in the aerosol can disappears due to the repetition of the cap attachment / detachment and the depression of the push-down head, the cap is removed, the push-down head 11 is removed, and the inside of the second fitting portion 22 of the stem of the push-down head as shown in FIG. The upper part of the stem 6 is fitted, and from this state, the cap 31 is fitted as shown in FIG. 3, and the protrusion 35 at the lower end of the inner peripheral wall 34 is fitted into the recess 5 formed on the outer surface of the lower end of the ring-shaped part 4. Let In this state, the short cylinder 36 suspended from the top wall of the cap 31 pushes the stem 6 down to the discharge valve opening position via the push-down head 11, so that the remaining gas in the aerosol can is discharged into the exhaust passage 19, the discharge port. Further, in the illustrated example, the gas is discharged through the through-hole 37 in the inner peripheral wall of the cap, and further through the gap between the lower end of the outer peripheral wall 33 and the upper surface of the lower end of the tapered portion 3 until the residual gas disappears.

残存ガスがなくなった後に、キャップおよび押下げヘッド11を外して、エアゾール缶とキャップ、押下げヘッドを分別して廃棄すればよい。   After the remaining gas is exhausted, the cap and the pressing head 11 are removed, and the aerosol can, the cap, and the pressing head are separated and discarded.

本発明容器の断面図である。It is sectional drawing of this invention container. 図１の状態からステムに対する押下げヘッド嵌合位置を変えた状態で示す断面図である。It is sectional drawing shown in the state which changed the pressing head fitting position with respect to the stem from the state of FIG. 図２のエアゾール缶上部へキャップを嵌合させ、押下げヘッドが押下げられた状態で示す断面図である。It is sectional drawing shown in the state which made the cap fit to the aerosol can upper part of FIG. 2, and the pressing-down head was pressed down.

符号の説明Explanation of symbols

１ エアゾール缶 ３ テーパ部
４ リング状部 ６ ステム
11 押下げヘッド 17 液体噴出通路
18 ステム第１嵌合部 19 排気通路
20 放出口 22 ステム第２嵌合部
31 キャップ 1 Aerosol can 3 Tapered part 4 Ring-shaped part 6 Stem
11 Pressing head 17 Liquid ejection passage
18 Stem first fitting part 19 Exhaust passage
20 Release port 22 Stem second fitting part
31 cap

Claims (2)

エアゾール缶上面から上方付勢されて起立するステム６上部へ押下げヘッド11を、該ヘッド押下げでエアゾール缶内液体が押下げヘッドの液体噴出通路を通って噴出可能に嵌合させ、かつ該ヘッドを覆いエアゾール缶上部へキャップ31を着脱自在に嵌合させたエアゾール式液体噴出容器において、
上記押下げヘッド内の液体噴出通路17側方に下端を押下げヘッド11下面へかつ上部を押下げヘッド外方へ、それぞれ開口する排気通路19を穿設すると共に、上記キャップ31の一部へ排気路を形成しておき、
上記液体噴出通路下部内に形成したステム第１嵌合部18よりも、排気通路19の下部内に設けたステム第２嵌合部22を浅く設けて、該ステム第２嵌合部内へステム６を嵌め変えてエアゾール缶１上部へキャップ31を嵌合させたとき、押下げヘッド11を介してキャップ31が吐出弁開弁位置までステム６を押下げ可能とした
ことを特徴とするエアゾール式液体噴出容器。 A push-down head 11 is fitted to the upper part of the stem 6 that is erected upward from the upper surface of the aerosol can so that the liquid in the aerosol can can be ejected through the liquid ejection passage of the push-down head, and In the aerosol type liquid ejection container that covers the head and detachably fits the cap 31 to the upper part of the aerosol can,
A lower end is formed on the side of the liquid ejection passage 17 in the lowering head, the lower surface is formed on the lower surface of the lowering head 11, and an upper portion is formed outwardly of the lowering head. Form an exhaust passage,
A stem second fitting portion 22 provided in the lower portion of the exhaust passage 19 is provided shallower than the stem first fitting portion 18 formed in the lower portion of the liquid ejection passage, and the stem 6 is inserted into the stem second fitting portion. An aerosol-type liquid characterized in that when the cap 31 is fitted to the upper part of the aerosol can 1 by reinserting the cap 6, the cap 31 can push the stem 6 down to the discharge valve opening position via the push-down head 11. Spout container. 上記エアゾール缶の周壁上部を、上方小径のテーパ部３として上端に大外径のリング状部４を付設し、該リング状部の下端外面と上記テーパ部上端との間に凹条５を周設した形状となし、
キャップ31の頂壁32から垂下させた内周壁34下端内面に突条35を付設して、キャップ嵌合時にその突条35を上記凹条５へ強制離脱可能に嵌合させると共に、頂壁32外周から垂下させた外周壁33をエアゾール缶周壁の外径とほぼ同径としてその外周壁33下端を上記テーパ部３の下端上面へ近接させた
ことを特徴とする請求項１記載のエアゾール式液体噴出容器。 The upper part of the peripheral wall of the aerosol can is formed as a tapered part 3 having a small diameter on the upper side, and a ring-shaped part 4 having a large outer diameter is attached to the upper end, and the recess 5 is surrounded between the outer surface of the lower end of the ring-shaped part and the upper end of the tapered part. No shape and none,
A protrusion 35 is attached to the inner surface of the lower end of the inner peripheral wall 34 suspended from the top wall 32 of the cap 31 so that the protrusion 35 can be forcibly detached from the recess 5 when the cap is fitted. The aerosol-type liquid according to claim 1, wherein the outer peripheral wall 33 suspended from the outer periphery has substantially the same diameter as the outer diameter of the aerosol can peripheral wall, and the lower end of the outer peripheral wall 33 is brought close to the upper surface of the lower end of the tapered portion 3. Spout container.
JP2005316887A 2005-10-31 2005-10-31 Aerosol liquid ejection container Expired - Fee Related JP4678679B2 (en)

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Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5123053Y2 (en) * 1971-11-29 1976-06-14
JPS5131365B2 (en) * 1971-10-15 1976-09-06
JP2002193362A (en) * 2000-12-25 2002-07-10 Mandom Corp Mechanism for releasing residual item in aerosol container
JP2004123167A (en) * 2002-10-02 2004-04-22 Mitani Valve Co Ltd Operation button for aerosol container equipped with venting function

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5131365B2 (en) * 1971-10-15 1976-09-06
JPS5123053Y2 (en) * 1971-11-29 1976-06-14
JP2002193362A (en) * 2000-12-25 2002-07-10 Mandom Corp Mechanism for releasing residual item in aerosol container
JP2004123167A (en) * 2002-10-02 2004-04-22 Mitani Valve Co Ltd Operation button for aerosol container equipped with venting function

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