JP2770072B2 - Electric pesticide evaporation apparatus and insecticide evaporation method - Google Patents
Electric pesticide evaporation apparatus and insecticide evaporation methodInfo
- Publication number
- JP2770072B2 JP2770072B2 JP2219458A JP21945890A JP2770072B2 JP 2770072 B2 JP2770072 B2 JP 2770072B2 JP 2219458 A JP2219458 A JP 2219458A JP 21945890 A JP21945890 A JP 21945890A JP 2770072 B2 JP2770072 B2 JP 2770072B2
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- JP
- Japan
- Prior art keywords
- heat
- insecticide
- connection
- generating means
- heated
- 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.)
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Description
本発明は、電子エネルギーを利用して殺虫剤を自動的
に蒸散する電気式殺虫剤蒸散装置、および殺虫剤の蒸散
方法に関し、特にペルチェ効果による発熱を利用した装
置および方法に関するものである。BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to an electric pesticide evaporating apparatus for automatically evaporating an insecticide using electronic energy, and a method for evaporating an insecticide, and more particularly to an apparatus and a method utilizing heat generated by the Peltier effect.
従来、電子蚊取り器などの電気式殺虫剤蒸散装置は電
熱線などの発熱手段を有し、この発熱手段に例えば家庭
用の交流100V電源から継続的に給電して発熱させ、この
発熱により液体の殺虫剤や板状物に含浸させた殺虫剤を
加熱し蒸散させる方式を採っていた。そして蒸散孔を有
するケース本体の内部に、殺虫剤を収納する薬剤収納体
を格納するとともに、前記発熱手段を薬剤収納体の吸い
上げ浸透部分に対設した構造を有するものがあった。ま
た上面開放の収納部を有したケース本体の前記収納部
に、殺虫剤を含浸した板状物（マット）を配置するよう
にするとともに、この収納体の下部に上記発熱手段を配
置した構造を有するものがあった。Conventionally, an electric insecticide evaporator such as an electronic mosquito trap has a heating means such as a heating wire, and the heating means is continuously supplied with power from, for example, a household AC 100 V power supply to generate heat. In this method, an insecticide or an insecticide impregnated in a plate-like material is heated and evaporated. Some cases have a structure in which a medicine container for accommodating an insecticide is stored inside a case main body having a transpiration hole, and the heat generating means is disposed opposite to a suction-penetrating portion of the medicine container. In addition, a plate-like material (mat) impregnated with an insecticide is disposed in the storage section of the case body having a storage section with an open top, and the heat generating means is disposed below the storage body. There was something to have.
しかしながら、上記した従来の殺虫剤蒸散装置では、
発熱手段の所望の温度に発熱させるために交流100Vの電
源を必要とするために、装置の取り扱いで電源コードが
邪魔になり易く、また停電時や屋外でこの装置が使用で
きないという問題があった。 そこで本発明は、交流100Vの電源を用いることなく殺
虫剤を蒸散させるようにすることを課題とし、装置内に
格納できる乾電池などの低い電圧でも殺虫剤の蒸散が行
われるようにすることを目的とする。However, in the conventional insecticide evaporation device described above,
Since a power supply of AC 100 V is required to generate heat to a desired temperature of the heating means, there is a problem that the power cord is easily obstructed in handling the device, and that the device cannot be used at the time of power failure or outdoors. . Accordingly, an object of the present invention is to evaporate an insecticide without using a power supply of AC 100 V, and to evaporate the insecticide at a low voltage such as a dry battery that can be stored in the device. And
本発明は、上記した課題を考慮してなされたもので、
蒸散孔を有するケース本体と、殺虫剤を収納する薬剤収
納体と、発熱手段とを具備し、前記薬剤収納体に収納し
た殺虫剤を前記発熱手段で加熱することにより、前記蒸
散孔を通して殺虫剤が蒸散する構成を有した電気式殺虫
剤蒸散装置において、前記発熱手段は、二つの異なる金
属または半導体を直列に接続して二つの接続部を有する
回路が形成されてこれに直流電流を流すことにより一方
の接続部が発熱し他方の接続部が吸熱するペルチェ効果
を備えた電気冷凍素子であることを特徴とする電気式殺
虫剤蒸散装置、また殺虫剤を含浸した板状物を収納する
上面開放の収納部を有したケース本体と、発熱手段とを
具備し、前記容器本体の収納部に配置した板状物を前記
発熱手段で加熱することにより、前記収納部から殺虫剤
が蒸散する構成を有した電気式殺虫剤蒸散装置におい
て、前記発熱手段は、二つの異なる金属または半導体を
直列に接続して二つの接続部を有する回路が形成されて
これに直列電流を流すことにより一方の接続部が発熱し
他方の接続部が吸熱するペルチェ効果を備えた電子冷凍
素子である、ことを特徴とする電気式殺虫剤蒸散装置を
提供して、上記課題を解消するものである。 さらには、上記電気式殺虫剤蒸散装置の発熱手段にお
ける電子冷凍素子の発熱接続部を発熱させて、該発熱接
続部により殺虫剤を加熱し蒸散させることにより、上記
課題を解消するものである。The present invention has been made in view of the above problems,
A case body having a transpiration hole, a medicine container for storing the insecticide, and a heat generating means, wherein the insecticide stored in the medicine container is heated by the heat generation means, so that the insecticide passes through the transpiration hole. In the electric insecticide evaporating apparatus having a configuration in which the transpiration is performed, the heating means forms a circuit having two connection parts by connecting two different metals or semiconductors in series, and directs a DC current to the circuit. An electric refrigeration element having a Peltier effect in which one connecting portion generates heat and the other connecting portion absorbs heat, and an upper surface for accommodating a plate-like material impregnated with the insecticide. A configuration in which a case body having an open storage part and a heat generating means are provided, and the insecticide evaporates from the storage part by heating a plate-like object arranged in the storage part of the container main body by the heat generating means. To In the electric insecticide evaporation apparatus described above, the heating means forms a circuit having two connection parts by connecting two different metals or semiconductors in series, and one connection part is formed by flowing a series current to this. An electronic refrigerating device having a Peltier effect in which heat is generated and the other connection portion absorbs heat is provided. Further, the object is solved by causing the heat-generating connection of the electronic refrigerating element in the heat-generating means of the electric insecticide vaporizer to generate heat and heating and vaporizing the insecticide by the heat-generating connection.
本発明においては、発熱手段がペルチェ効果を有する
個体冷凍素子であって、この個体冷凍素子の発熱側接続
部が薬剤収納体側に、また殺虫剤を含浸された板状物側
に、すなわちマットに対設され、それぞれにおいて殺虫
剤が発熱接続部の発熱により、加熱されることになる。
そして前記発熱接続部の発熱によって殺虫剤が加熱され
ると、この殺虫剤が蒸散し、使用している室内の空気中
に広がるようになる。In the present invention, the heat generating means is a solid refrigerating element having a Peltier effect, and the heat generating side connection portion of the solid refrigerating element is on the drug container side, and on the plate-like material impregnated with the insecticide, that is, on the mat. In each case, the insecticide is heated by the heat generated by the heat-generating connection.
When the insecticide is heated by the heat generated by the heat-generating connection, the insecticide evaporates and spreads in the room air in use.
つぎに、本発明を第１図から第５図に示す実施例に基
づいて詳細に説明する。 第１図と第２図は第１の実施例を示すものである。こ
の第１の実施例において、電気式殺虫剤蒸散装置１は液
体の殺虫剤を用いるもので、第１図に示すように、筒状
の胴部2aの上面に上カバー2bを装着したケース本体２
と、このケース本体２の下部に取り付けられる透明ケー
ス台３とによって外郭が構成され、前記透明ケース３台
に薬剤収納対４を配置した状態でこの透明ケース台３を
取り付けることによって薬剤収納体４がケース本体２内
に格納され、また胴部2aの上面を一部開口した電源ボッ
クス2cに乾電池からなる電池５が格納されている。 上記薬剤収納体４は容器4aに液体の殺虫剤を入れ、容
器口部4bに配し下端を殺虫剤中に浸した棒状の浸透材4c
によって殺虫剤が浸透し吸い上げられるように設けられ
ている。そして前記浸透材4cの上端は、胴部2cの上面に
開口した開口部2dに位置し、この開口部2dに対応するよ
うに設けられた上カバー2bの蒸散孔2eに臨むようにな
る。 上記開口部2dには発熱手段６が配置されていて、浸透
材4cに対面している。前記発熱手段６は、ペルチェ効果
を備える固定冷凍素子からなるもので、該固定冷凍素子
の発熱側接続部が前記浸透材4cに臨み、前記電源５に接
続されて第２図に示すように構成された回路が閉じるこ
とによって発熱側接続部が発熱し、この発熱によって浸
透材4cの殺虫剤が加熱され、蒸散して蒸散孔2eを通して
空気中に広がるようになる。 図中2fは発熱手段６と電源５との回路を開閉するスイ
ッチを示し、2gは前記回路の閉時、すなわち殺虫剤の蒸
散時を表示するパイロットランプを示している。 また上記殺虫剤としては50℃から100℃に加熱するこ
とによって気化するものであればよく、ピレスロイド系
殺虫剤、カーバメート系殺虫剤、有機リン系殺虫剤など
を挙げることができる。一般に安全性が高いことからピ
レスロイド系殺虫剤が好適に用いられ、例えばフラメト
リン、アレスリン、プラレトリン、エムペントリンなど
を例示できるが、これらのみに限定されるわけではな
く、また可能な異性体の単独あるいは混合物が全て包含
されることはもちろんである。 第３図と第４図は第２の実施例を示すものである。こ
の第２の実施例の電気式殺虫剤蒸散装置１は殺虫剤を含
浸した板状物、即ちマットａを用いるもので、頂部に前
記マットａの上面開放の収納部7aを有したケース本体７
と下ケース８とから扁平な外郭を構成し、前記収納部7a
には複数の透孔を有するカバー7bがが移動可能に取り付
けられ、配置したマットａを隠蔽するように図られてい
る。そして前記ケース本体７と下ケース８とからなる内
部空間に、上記第１の実施例と同様にして電源５が格納
されるとともに、前記収納部7aの底面として発熱手段６
が配置されていて、前記発熱手段６と電源５とからなる
回路がケースの外表面に配置したスイッチ7cによって開
閉するように設けられている。そしてこの第２の実施例
においても発熱手段６はペルチェ効果を備える固定冷凍
素子からなるもので、該固定冷凍素子の発熱側接続部が
上面となってマットａに接し、スイッチ7cの操作によっ
て回路が閉じると発熱側接続部が発熱し、この発熱によ
ってマットａ、即ち含浸された殺虫剤が加熱され、蒸散
してカバー7bを通して空気中に広がるようになる。 図中９は上記装置を壁面などの垂直面に取り付けるた
めの吸盤などからなる取付固定具である。 発熱手段６は上述したように、ペルチェ効果を備えた
固定冷凍素子からなものであって、第５図に示すよう
に、二つの異なる金属または半導体10,11を直列に接続
し、伝導体12aと絶縁体12bとを介在させて吸熱器12cに
接続してなる接続部12と、伝導体13aと絶縁体13bとを介
在させて放熱器13cに接続してなる接続部13とを備え、
この固定冷凍素子に直列電圧を加えることによって、一
方の接続部12にて吸熱し、他方の接続部13にて発熱が行
われるものである。そして発熱手段６では、この固定冷
凍素子の発熱側の接続部13が、上記第１の実施例におけ
る浸透材4cやマット6aに対面するように配置され、回路
を閉じて前記発熱側接続部13を発熱させ、その発熱によ
って殺虫剤を加熱し蒸散させるようにしたものである。Next, the present invention will be described in detail based on the embodiment shown in FIGS. FIG. 1 and FIG. 2 show a first embodiment. In this first embodiment, an electric pesticide vaporizer 1 uses a liquid pesticide, and as shown in FIG. 1, a case body in which an upper cover 2b is mounted on an upper surface of a cylindrical body 2a. 2
And a transparent case base 3 attached to the lower part of the case main body 2 to form an outer shell. By attaching the transparent case base 3 in a state where the medicine storage pair 4 is arranged on the three transparent cases, the medicine storage body 4 is formed. Are stored in the case main body 2, and a battery 5 made of a dry battery is stored in a power supply box 2c having a partially opened upper surface of the body 2a. The medicine container 4 contains a liquid pesticide in a container 4a, is disposed in a container mouth 4b, and has a lower end immersed in the pesticide.
It is provided so that the insecticide can penetrate and be sucked up. The upper end of the penetrating material 4c is located in the opening 2d opened on the upper surface of the body 2c, and faces the transpiration hole 2e of the upper cover 2b provided to correspond to the opening 2d. The heat generating means 6 is arranged in the opening 2d, and faces the penetrating material 4c. The heat generating means 6 is composed of a fixed refrigeration element having a Peltier effect, and a heat generating side connection portion of the fixed refrigeration element faces the osmotic material 4c and is connected to the power supply 5 and configured as shown in FIG. When the circuit is closed, the heat-generating side connection generates heat, and the generated heat heats the insecticide of the penetrating material 4c, evaporates, and spreads in the air through the evaporation hole 2e. In the figure, 2f indicates a switch for opening and closing the circuit between the heating means 6 and the power supply 5, and 2g indicates a pilot lamp which indicates when the circuit is closed, that is, when the insecticide evaporates. The insecticide may be any one which is vaporized by heating from 50 ° C. to 100 ° C., and examples thereof include pyrethroid insecticides, carbamate insecticides, and organic phosphorus insecticides. In general, pyrethroid insecticides are preferably used because of high safety, and examples thereof include, for example, framethrin, allethrin, praletrin, empentrin, and the like, but are not limited thereto, and alone or a mixture of possible isomers. Of course are all included. FIGS. 3 and 4 show a second embodiment. The electric insecticide vaporizer 1 according to the second embodiment uses a plate-like material impregnated with an insecticide, that is, a mat a, and a case body 7 having a storage portion 7a with an open top surface of the mat a at the top.
And a lower case 8 to form a flat outer shell, and the storage portion 7a
A cover 7b having a plurality of through-holes is movably attached to the cover so as to cover the placed mat a. The power source 5 is stored in the internal space formed by the case body 7 and the lower case 8 in the same manner as in the first embodiment, and the heat generating means
And a circuit comprising the heat generating means 6 and the power supply 5 is provided so as to be opened and closed by a switch 7c disposed on the outer surface of the case. Also in the second embodiment, the heat generating means 6 is composed of a fixed refrigeration element having a Peltier effect, and the connection portion on the heat generation side of the fixed refrigeration element is in contact with the mat a with the upper surface, and the circuit is operated by operating the switch 7c. When the is closed, the heat-generating side connection generates heat, and this heat heats the mat a, that is, the impregnated insecticide, and evaporates and spreads in the air through the cover 7b. In the figure, reference numeral 9 denotes a mounting fixture consisting of a suction cup or the like for mounting the device on a vertical surface such as a wall. As described above, the heat generating means 6 is composed of a fixed refrigeration element having the Peltier effect, and as shown in FIG. 5, two different metals or semiconductors 10, 11 are connected in series, and a conductor 12a is formed. And a connecting portion 13 connected to the heat sink 12c with the insulator 12b interposed therebetween, and a connecting portion 13 connected to the radiator 13c with the conductor 13a and the insulator 13b interposed therebetween.
By applying a series voltage to the fixed refrigeration element, heat is absorbed at one connecting portion 12 and heat is generated at the other connecting portion 13. In the heat generating means 6, the connection portion 13 on the heat generation side of the fixed refrigeration element is arranged so as to face the penetrating material 4c and the mat 6a in the first embodiment, and the circuit is closed to close the heat generation side connection portion 13. The insecticide is heated and evaporated by the generated heat.
以上説明したように、本発明によれば、電気式殺虫剤
蒸散装置は、蒸散孔を有するケース本体と、殺虫剤を収
納する薬剤収納体と、発熱手段とを具備し、前記薬剤収
納体に収納した殺虫剤を前記発熱手段で加熱することに
より、前記蒸散孔を通して殺虫剤が蒸散する構成を有
し、前記発熱手段は、二つの異なる金属または半導体を
直列に接続して二つの接続部を有する回路が形成されて
これに直流電流を流すことにより一方の接続部が発熱し
他方の接続部が吸熱するペルチェ効果を備えた電子冷凍
素子であることを特徴とするものであり、また殺虫剤を
含浸した板状物を収納する上面開放の収納部を有したケ
ース本体と、発熱手段とを具備し、前記容器本体の収納
部に配置した板状物を前記発熱手段で加熱することによ
り、前記収納部から殺虫剤が蒸散する構成を有し、前記
発熱手段は、二つの異なる金属または半導体を直列に接
続して二つの接続部を有する回路が形成されてこれに直
列電流を流すことにより一方の接続部が発熱し他方の接
続部が吸熱するペルチェ効果を備えた電子冷凍素子であ
ることを特徴とするものである。よって従来の電源コー
ドが不要になり、装置の取り扱いか簡単で屋外などにお
いても使用できるようになる。また電気式殺虫剤蒸散装
置の発熱手段における電子冷凍素子の発熱接続部を発熱
させて、該発熱接続部により殺虫剤を加熱し蒸散させる
ので、乾電池などの低い電圧の電源によって発熱手段を
発熱させ、殺虫剤を蒸散させることができるようになる
など、実用性にすぐれた効果を奏するものである。As described above, according to the present invention, the electric insecticide vaporizer includes a case main body having a transpiration hole, a medicine container storing the insecticide, and a heating unit. By heating the stored insecticide by the heat generating means, the insecticide evaporates through the transpiration hole, and the heat generating means connects two different metals or semiconductors in series to form two connection portions. A circuit having a Peltier effect in which a circuit having a Peltier effect in which one of the connection portions generates heat and the other connection portion absorbs heat by passing a direct current through the circuit, and an insecticide. A case body having a storage part with an open top for storing a plate-like material impregnated with the same, comprising a heating means, and heating the plate-like substance arranged in the storage part of the container body by the heating means, Killed from the storage The heating means has a configuration in which two different metals or semiconductors are connected in series to form a circuit having two connection parts, and one connection part is formed by flowing a series current through the circuit. The electronic refrigeration element has a Peltier effect in which heat is generated and the other connection portion absorbs heat. Therefore, the conventional power cord becomes unnecessary, and the device can be easily handled and used outdoors or the like. Further, since the heat-generating connection of the electronic refrigerating element in the heat-generating means of the electric insecticide evaporating device is heated and the insecticide is heated and evaporated by the heat-generating connection, the heat-generating means is heated by a low-voltage power source such as a dry battery. In addition, it is possible to evaporate the insecticide, and the effect is excellent in practicality.
第１図は本発明に係る電気式殺虫剤蒸散装置の第１の実
施例を分解した状態で示す説明図、第２図は第１の実施
例における回路を示す説明図、第３図は第２の実施例に
おける収納部開放状態を示す説明図、第４図は第２の実
施例の外観を示す説明図、第５図は発熱手段を示す説明
図である。 １……電気式殺虫剤蒸散装置 ２……ケース本体 2e……蒸散孔 ４……薬剤収納体 ５……電源 ６……発熱手段 ７……ケース本体 7a……収納部 12,13……接続部FIG. 1 is an exploded view showing a first embodiment of an electric insecticide vaporizer according to the present invention in an exploded state, FIG. 2 is an explanatory view showing a circuit in the first embodiment, and FIG. FIG. 4 is an explanatory view showing the open state of the storage section in the second embodiment, FIG. 4 is an explanatory view showing the appearance of the second embodiment, and FIG. DESCRIPTION OF SYMBOLS 1 ... Electric insecticide evaporation device 2 ... Case body 2e ... Evaporation hole 4 ... Chemical container 5 ... Power supply 6 ... Heat generation means 7 ... Case body 7a ... Storage portion 12,13 ... Connection Department
フロントページの続き (72)発明者 勝田 純郎 大阪府大阪市西区土佐堀１丁目４番11号 大日本除蟲菊株式会社内 (58)調査した分野(Int.Cl.6，ＤＢ名) A01M 1/20Continuation of front page (72) Inventor Junro Katsuta 1-4-11 Tosabori, Nishi-ku, Osaka-shi, Osaka Dainippon Exercise Mugiku Co., Ltd. (58) Field surveyed (Int. Cl. 6 , DB name) A01M 1 / 20
Claims (4)
納する薬剤収納体と、発熱手段とを具備し、前記薬剤収
納体に収納した殺虫剤を前記発熱手段で加熱することに
より、前記蒸散孔を通して殺虫剤が蒸散する構成を有し
た電気式殺虫剤蒸散装置において、 前記発熱手段は、 二つの異なる金属または半導体を直列に接続して二つの
接続部を有する回路が形成されてこれに直流電流を流す
ことにより一方の接続部が発熱し他方の接続部が吸熱す
るペルチェ効果を備えた電子冷凍素子である、 ことを特徴とする電気式殺虫剤蒸散装置。1. A case body having a transpiration hole, a medicine container for accommodating an insecticide, and a heat generating means, wherein the insecticide stored in the medicine container is heated by the heat generating means. In an electric insecticide vaporizer having a configuration in which a pesticide evaporates through a transpiration hole, the heat generating means is formed by connecting two different metals or semiconductors in series to form a circuit having two connecting portions. An electric refrigeration element having a Peltier effect in which one connection generates heat while the other connection absorbs heat when a direct current flows, and is an electronic refrigerating device having a Peltier effect.
段における電子冷凍素子の発熱接続部を発熱させて、該
発熱接続部により殺虫剤を加熱し蒸散させることを特徴
とする殺虫剤蒸散方法。2. The insecticide according to claim 1, wherein a heat-generating connection of the electronic refrigeration element in the heat-generating means of the electric insecticide vaporizer is heated, and the insecticide is heated and evaporated by the heat-generating connection. Transpiration method.
放の収納部を有したケース本体と、発熱手段とを具備
し、前記容器本体の収納部に配置した板状物を前記発熱
手段で加熱することにより、前記収納部から殺虫剤が蒸
散する構成を有した電気式殺虫剤蒸散装置において、 前記発熱手段は、 二つの異なる金属または半導体を直列に接続して二つの
接続部を有する回路が形成されてこれに直流電流を流す
ことにより一方の接続部が発熱し他方の接続部が吸熱す
るペルチェ効果を備えた電子冷凍素子である、 ことを特徴とする電気式殺虫剤蒸散装置。3. A case body having a storage part with an open top for storing a plate-like substance impregnated with an insecticide, and a heat generating means, wherein the plate-like substance disposed in the storage part of the container main body is heated by the heat generation means. In the electric insecticide evaporating apparatus having a configuration in which the insecticide evaporates from the storage part by heating by means, the heat-generating means connects two different metals or semiconductors in series to form two connection parts. An electronic refrigeration element having a Peltier effect in which a circuit having a Peltier effect is formed by passing a direct current through the circuit and heat is generated at one connection portion and heat is absorbed at the other connection portion. .
段における電子冷凍素子の発熱接続部を発熱させて、 該発熱接続部により殺虫剤を加熱し蒸散させることを特
徴とする殺虫剤蒸散方法。4. The insecticide according to claim 3, wherein a heat-generating connection of the electronic refrigeration element in the heat-generating means of the electric-type insecticide vaporizer is heated, and the insecticide is heated and vaporized by the heat-generating connection. Transpiration method.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2219458A JP2770072B2 (en) | 1990-08-21 | 1990-08-21 | Electric pesticide evaporation apparatus and insecticide evaporation method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2219458A JP2770072B2 (en) | 1990-08-21 | 1990-08-21 | Electric pesticide evaporation apparatus and insecticide evaporation method |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH04104752A JPH04104752A (en) | 1992-04-07 |
| JP2770072B2 true JP2770072B2 (en) | 1998-06-25 |
Family
ID=16735746
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2219458A Expired - Fee Related JP2770072B2 (en) | 1990-08-21 | 1990-08-21 | Electric pesticide evaporation apparatus and insecticide evaporation method |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JP2770072B2 (en) |
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0715459U (en) * | 1993-08-25 | 1995-03-14 | 日本精工株式会社 | Safety device for mechanical gas generator starter |
| US6553711B1 (en) * | 2000-03-22 | 2003-04-29 | Long Well Electronics Corp. | Switchable mosquito expelling/killing device |
| US6293044B1 (en) * | 2000-03-22 | 2001-09-25 | Long Well Electronics Corp. | Switchable mosquito expelling/killing device |
| JP2010063421A (en) * | 2008-09-12 | 2010-03-25 | Fumakilla Ltd | Chemical agent evaporation device |
-
1990
- 1990-08-21 JP JP2219458A patent/JP2770072B2/en not_active Expired - Fee Related
Also Published As
| Publication number | Publication date |
|---|---|
| JPH04104752A (en) | 1992-04-07 |
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