JPH1048133A - Gas composition for testing smoke sensor and apparatus for jetting the same to smoke sensor - Google Patents
Gas composition for testing smoke sensor and apparatus for jetting the same to smoke sensorInfo
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- JPH1048133A JPH1048133A JP22319596A JP22319596A JPH1048133A JP H1048133 A JPH1048133 A JP H1048133A JP 22319596 A JP22319596 A JP 22319596A JP 22319596 A JP22319596 A JP 22319596A JP H1048133 A JPH1048133 A JP H1048133A
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- Prior art keywords
- gas composition
- smoke detector
- test
- weight
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- Fire-Detection Mechanisms (AREA)
- Fire Alarms (AREA)
Abstract
Description
【０００１】[0001]
【発明の属する技術分野】本発明は、煙感知器の作動試
験を行うに際して使用され、特別な試験器を使用する必
要がなく、きわめて短時間で正確に試験し得る煙感知器
試験用ガス組成物および該ガス組成物を煙感知器に噴射
するための器具に関するものである。BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention is used for performing an operation test of a smoke detector, and does not require a special tester, and can be accurately performed in a very short time. And a device for injecting the gas composition into a smoke detector.
【０００２】[0002]
【従来の技術】火災の際に発生する煙を感知して火災の
発生を非常ベルなどを作動して通報するイオン式や光電
式の煙感知器が設置されている箇所では、定期的にその
作動の可否を試験する必要がある。2. Description of the Related Art In places where ion or photoelectric smoke detectors are installed to detect smoke generated during a fire and to report the occurrence of a fire by operating an emergency bell or the like, the smoke detector is periodically installed. It is necessary to test the operation.
【０００３】したがって、その試験に使用する試験手段
が多く提案されている。従来は、作動試験器に組み込ま
れているガスボンベには、ハイドロクロロフルオロカー
ボンに、０．０１〜１０重量％の流動パラフィンが混入
された試験用ガスを充填して使用していた。しかして、
本出願人も先に、煙感知器試験用ガスボンベ及び煙感知
器の作動試験器について提案している（特願平６−２１
４３８６号）。すなわち、煙感知器試験用ガスボンベと
しては、ハイドロフルオロカーボン及びハイドロクロロ
フルオロカーボンのいずれか１つの単独ガス又は両方の
混合ガスがボンベに充填されたガスボンベであって、上
記単独ガス又は混合ガスに０．０１〜１０重量％のグリ
コールなどが混合されている煙感知器試験用ガスボンベ
を提案し（以下、提案１という）、さらに、ハイドロフ
ルオロカーボン及びハイドロフルオロエーテルの中の少
なくとも１種からなる溶剤に、０．０１〜１０重量％の
添加剤をした煙感知器用試験液も提案（平成８年７月１
１日付け特許出願）（以下、提案２という）した。[0003] Therefore, many test means used for the test have been proposed. Conventionally, a gas cylinder incorporated in an operation tester has been used by filling a test gas obtained by mixing 0.01 to 10% by weight of liquid paraffin with hydrochlorofluorocarbon. Then
The present applicant has also previously proposed a gas cylinder for testing a smoke detector and an operation tester for a smoke detector (Japanese Patent Application No. 6-21).
4386). That is, the gas cylinder for smoke detector test is a gas cylinder in which a single gas or a mixed gas of either one of hydrofluorocarbon and hydrochlorofluorocarbon is filled in a cylinder, and the single gas or the mixed gas is 0.01%. A gas cylinder for smoke detector test in which 10% by weight to 10% by weight of glycol or the like is mixed is proposed (hereinafter referred to as Proposal 1). Further, a solvent containing at least one of hydrofluorocarbon and hydrofluoroether is added to a gas cylinder. A test solution for smoke detectors containing an additive of 01 to 10% by weight is also proposed (July 1, 1996)
(Hereinafter referred to as Proposal 2).
【０００４】[0004]
【発明が解決しようとする課題】しかしながら、従来使
用されていたハイドロクロロフルオロカーボンは、分子
内に塩素原子を有するので特定フロンに指定されてお
り、地球環境破壊の課題の解決手段として、近い将来全
廃することになったものであって、その代替物を使用し
なければならなくなっている。又、前記提案１のガスボ
ンベを使用して試験する場合、ハイドロフルオロカーボ
ンやハイドロクロロフルオロカーボンと流動パラフィン
等との馴染み性が悪いために１回の噴射では試験の結果
が得られず数回の噴射で初めて煙感知器が作動すること
があり、正確な結果が得られるのではあるが、多数の煙
感知器を一度に試験するには試験作業にかなりの手間と
時間を必要とすることや、或いは特殊な大型の試験治具
を脚立等に乗った作業員が手で支え該試験治具内に試験
ガスを噴射する必要があるといった問題がある。また、
提案２の試験液は、きわめて短時間に、正確に試験し得
るのではあるが、上記と同様に特殊な大型の試験治具を
使用する必要があるといった問題がある。However, hydrochlorofluorocarbons which have been conventionally used have a chlorine atom in the molecule and are therefore designated as specific CFCs, and will be totally abolished in the near future as a means of solving the problem of destruction of the global environment. And that alternative must be used. In addition, when testing using the gas cylinder of Proposal 1 described above, the results of the test cannot be obtained by a single injection, and the test results cannot be obtained by several injections because the compatibility between hydrofluorocarbon or hydrochlorofluorocarbon and liquid paraffin is poor. Although smoke detectors may be activated for the first time and provide accurate results, testing a large number of smoke detectors at once requires considerable effort and time in the testing process, or There is a problem in that a worker on a stepladder or the like supports a special large test jig with his / her hand and injects a test gas into the test jig. Also,
Although the test solution of Proposal 2 can test accurately in a very short time, there is a problem that it is necessary to use a special large test jig as described above.
【０００５】本発明は、上記した従来技術の問題点を解
決するためになされたものであって、特殊な試験治具を
用いることなく、短時間に試験作業を完了し得る煙感知
器試験用ガス組成物および該ガス組成物を煙感知器に噴
射するための構造が簡単でかつ取扱易い器具を提供する
ことを目的とするものである。SUMMARY OF THE INVENTION The present invention has been made to solve the above-mentioned problems of the prior art, and is intended for a smoke detector test capable of completing a test operation in a short time without using a special test jig. It is an object of the present invention to provide a gas composition and a device which has a simple structure for injecting the gas composition to a smoke detector and which is easy to handle.
【０００６】[0006]
【課題を解決するための手段】本発明者は、前記問題を
解決し前記目的を達成するために研究を重ねた結果、特
定の噴射剤に特定添加剤を特定量添加したものとするこ
とによって目的を達し得ることを見出して本発明を完成
するに至った。すなわち、本発明はイソブタン、プロパ
ン、ブタン、ジメチルエーテルのうちの少なくとも１種
からなる噴射剤に、０．００１〜３０重量％の添加剤を
添加してなる煙感知器試験用ガス組成物とすることによ
って課題を解決し、目的を達し得たものである。しかし
て、前記添加剤は、グリコール類、油脂類、パラフィン
類、ポリオールエステル及びカーボネートのうち少なく
とも１種からなるものであり、さらに５０重量％以下の
アルコールを含有してなる煙感知器試験用ガス組成物で
あることが好ましい。Means for Solving the Problems As a result of repeated studies to solve the above problems and achieve the object, the present inventor has found that a specific amount of a specific additive is added to a specific propellant. The inventors have found that the object can be achieved, and have completed the present invention. That is, the present invention provides a gas detector test gas composition comprising a propellant comprising at least one of isobutane, propane, butane, and dimethyl ether, and 0.001 to 30% by weight of an additive. This has solved the problem and achieved the goal. The additive comprises at least one of glycols, fats and oils, paraffins, polyol esters and carbonates, and further contains a gas for smoke detector test containing 50% by weight or less of alcohol. Preferably, it is a composition.
【０００７】また本発明はガス組成物を煙感知器に噴射
するに際し、該ガス組成物が充填されたスプレー容器の
ノズルの外周部に、相互に嵌合可能な少なくとも２つの
中空体からなる筒状体の一端を取付けてなるガス組成物
を煙感知器に噴射するための器具を特徴とするものであ
る。Further, according to the present invention, when injecting a gas composition into a smoke detector, a cylinder comprising at least two hollow bodies which can be fitted to each other is provided on an outer peripheral portion of a nozzle of a spray container filled with the gas composition. An apparatus for injecting a gas composition having one end of a shape into a smoke detector is provided.
【０００８】[0008]
【発明の実施の形態】本発明の煙感知器用ガス組成物
は、イソブタン、プロパン、ブタン、ジメチルエーテル
の何れかの単独、又は、これらの混合物に、添加剤を
０．００１〜３０重量％混合したものであるが、添加剤
としては、たとえばＰＡＧ５６（日本サン石油（株）
製、商品名）のようなグリコール類、比重が１．１０以
下の油脂類、パラフィン類、たとえばハーメチックオイ
ルＰＶＣ３２Ｂ（出光興産（株）製、商品名）のような
ポリオールエステル、及び、たとえばＪＳ−２４６８Ｕ
（日本サン石油（株）製、商品名）のようなカーボネー
トのうちの少なくとも１種を前記範囲で混合して調製す
る。しかして、添加量を０．００１〜３０重量％とした
のは、０．００１重量％未満では、煙感知器が作動せ
ず、３０重量％を超えると残渣として残り、煙感知器を
汚染する可能性があるからであって、０．０１〜１０重
量％の範囲が好ましく、また前記添加剤は、煙感知能力
を高め得ると共に、残煙時間をより長くする作用をす
る。BEST MODE FOR CARRYING OUT THE INVENTION The gas composition for a smoke detector of the present invention is obtained by mixing 0.001 to 30% by weight of an additive with any one of isobutane, propane, butane and dimethyl ether, or a mixture thereof. As an additive, for example, PAG56 (Nippon Sun Oil Co., Ltd.)
(Trade name, manufactured by Idemitsu Kosan Co., Ltd., trade name), glycols such as oils and fats having a specific gravity of 1.10 or less, and polyols such as hermetic oil PVC32B (trade name, manufactured by Idemitsu Kosan Co., Ltd.). 2468U
At least one of carbonates such as (trade name, manufactured by Nippon Sun Oil Co., Ltd.) is prepared by mixing in the above range. The reason why the addition amount is set to 0.001 to 30% by weight is that if it is less than 0.001% by weight, the smoke detector does not operate, and if it exceeds 30% by weight, it remains as a residue and contaminates the smoke detector. Because of the possibility, the content is preferably in the range of 0.01 to 10% by weight, and the additive can enhance the smoke sensing ability and also has the effect of prolonging the remaining smoke time.
【０００９】さらに、前記混合ガスに、エチルアルコー
ルのようなアルコールを５０重量％以下添加することが
でき、１０重量％以下とすることがより好ましく、添加
剤の馴染み性を一層向上させ、大気中の滞留時間を延長
し得る効果があり、アルコールを５０重量％以下とした
のは、５０重量％を超えて含有させると、煙感知器が作
動しない可能性があり何回も噴射を行う必要があるから
である。Further, an alcohol such as ethyl alcohol can be added to the mixed gas in an amount of 50% by weight or less, more preferably 10% by weight or less. The reason is that the alcohol content is reduced to 50% by weight or less. If the alcohol content is more than 50% by weight, the smoke detector may not operate and it is necessary to perform the spraying many times. Because there is.
【００１０】このように混合ガスとして調製したガス組
成物を煙感知器の試験に使用するには、感知器に対し
て、特殊の試験治具を使用することなく、通常のスプレ
ー容器や或いはある程度耐圧性のあるスプレー容器に充
填してスプレー等で１回２〜３秒間噴射すれば約５秒以
内に試験結果を得ることができる。[0010] In order to use the gas composition prepared as a mixed gas in the test of a smoke detector, a general spray container or a certain amount of spray can be applied to the detector without using a special test jig. A test result can be obtained within about 5 seconds by filling into a pressure-resistant spray container and spraying once with a spray or the like for 2 to 3 seconds.
【００１１】この際に用いる器具を、図１について詳述
すると、前記したガス組成物が充填されたスプレー容器
１のノズル２の外周部に、相互に嵌合可能な少なくとも
２つの中空体３、４からなる筒状体５の一端をビス６に
よって固定するよう取付けてなるものであり、中空体
３、４はポリエチレン等のような合成樹脂により成形さ
れている。中空体３、４が相互に離脱することを防止す
るために中空体３の外周面から中空体４の外周面以上の
長さを有するビス７を設けて、該ビス７の先端部を中空
体４の外周面の長手方向に設けられた溝８内に突出さ
せ、また該溝８は中空体４の両端部で終端している。す
なわち中空体４の両端部は、溝８のない外径をそのまま
所有するものである。したがって中空体３、４は望遠鏡
式に伸縮自在であるとともに、ビス７により溝８との嵌
合状態を保持するために離脱することがなく、また必要
な長さとなった時に、ビス７を締付けることにより、そ
の長さを保持することが可能となる。なお図１では２つ
の中空体からなる筒状体の例を示したが、所望に応じ中
空体の数を適宜増加することもできる。Referring to FIG. 1, the apparatus used at this time will be described in detail. At least two hollow bodies 3, which can be fitted to each other, are fitted around the outer periphery of the nozzle 2 of the spray container 1 filled with the gas composition. One end of a cylindrical body 5 made of 4 is attached so as to be fixed with a screw 6, and the hollow bodies 3 and 4 are formed of a synthetic resin such as polyethylene. In order to prevent the hollow bodies 3 and 4 from separating from each other, a screw 7 having a length equal to or longer than the outer circumferential surface of the hollow body 4 from the outer circumferential surface of the hollow body 3 is provided. 4 protrudes into a groove 8 provided in the longitudinal direction of the outer peripheral surface of the hollow body 4, and the groove 8 terminates at both ends of the hollow body 4. That is, both ends of the hollow body 4 have the same outer diameter without the groove 8. Therefore, the hollow bodies 3 and 4 can be telescopically extended and contracted, and they do not come off to maintain the fitted state with the groove 8 by the screw 7, and when the length becomes necessary, the screw 7 is tightened. This makes it possible to maintain that length. Although FIG. 1 shows an example of a cylindrical body composed of two hollow bodies, the number of hollow bodies can be increased as needed.
【００１２】このように、本発明に係るガス組成物を用
いかつ上記した器具によって該ガス組成物を噴射するこ
とによって、煙感知器の作動試験作業を短時間に完了
し、しかも試験結果も正確な値を得るものである。この
ように、試験作業を短時間にし得たのは、前記した提案
１、２で使用するフッ素化合物に較べて使用した噴射剤
は添加剤との馴染み性が極めて良好であるとともに、該
噴射剤は比重が低く、大気中の滞留時間が長いので、噴
霧の粒子径が広い範囲に分布し煙感知器の周囲を覆うこ
とができ、しかも特殊な試験治具を用いないため当該ガ
ス組成物が噴射による試験後に大気に容易に拡散するた
め、試験終了後に通常の作業等を直ちに行うことができ
る。As described above, by using the gas composition according to the present invention and injecting the gas composition by the above-described device, the operation test operation of the smoke detector can be completed in a short time, and the test result is also accurate. Value. As described above, the test work could be shortened because the propellant used in comparison with the fluorine compound used in Proposals 1 and 2 has extremely good compatibility with the additive and the propellant used in the propellant. Has a low specific gravity and a long residence time in the atmosphere, so that the particle size of the spray can be distributed over a wide range and cover the periphery of the smoke detector.In addition, the gas composition can be reduced because no special test jig is used. Since it is easily diffused into the atmosphere after the test by injection, normal work can be performed immediately after the test.
【００１３】[0013]
【実施例】次に、本発明の実施例を述べる。Next, an embodiment of the present invention will be described.
【００１４】実施例１：プロパン９０重量％に、ポリオ
ールエステルとしてハーメチックオイルＦＶＣ３２Ｂ
（商品名）を１重量％添加し、さらに、エチルアルコー
ルを９重量％添加して混合して試験用ガス組成物を調製
した。Example 1: Hermetic oil FVC32B as a polyol ester in 90% by weight of propane
1% by weight (trade name) was added, and 9% by weight of ethyl alcohol was further added and mixed to prepare a test gas composition.
【００１５】得られたガス組成物を外径２．２ｍｍのノ
ズルを有する通常のスプレー容器に充填し、図１のよう
にそれぞれ１０００ｍｍの長さで、一方が外径５．０ｍ
ｍ、内径３．ｍｍで、他方が外径０．７ｍｍ、内径２．
２ｍｍの２つの中空体を相互に嵌合してなる筒状体の一
端を前記スプレー容器のノズルにビス止めした後、煙感
知器に対して約２秒間噴射したところ、約４秒後に結果
が確認できた。The obtained gas composition is filled in a usual spray container having a nozzle having an outer diameter of 2.2 mm, and each has a length of 1000 mm as shown in FIG.
m, inner diameter 3. mm, outside diameter 0.7 mm, inside diameter 2.
One end of a cylindrical body having two 2 mm hollow bodies fitted to each other was screwed into the nozzle of the spray container, and then sprayed for about 2 seconds against the smoke detector. It could be confirmed.
【００１６】実施例２：プロパン６３重量％とブタン２
７重量％に、カーボネートとしてＪＳ−２４６８Ｕ（商
品名）を０．５重量％添加し、さらに、エチルアルコー
ルを９．５重量％添加して混合して試験用ガス組成物を
調製した。得られたガス組成物を使用して実施例１同様
に煙感知器にスプレーで約３秒間噴射したところ、約５
秒後に結果が確認できた。Example 2: 63% by weight of propane and butane 2
To 7% by weight, 0.5% by weight of JS-2468U (trade name) as a carbonate was added, and 9.5% by weight of ethyl alcohol was further added and mixed to prepare a test gas composition. When the obtained gas composition was sprayed on a smoke detector for about 3 seconds in the same manner as in Example 1, about 5 seconds were obtained.
Seconds later the result was confirmed.
【００１７】実施例３：プロパン６３重量％とブタン２
７重量％に、油脂類としてシリコンオイルを０．４重量
％添加し、さらに、エチルアルコールを９．６重量％添
加して混合して試験用ガス組成物を調製した。得られた
ガス組成物を使用して実施例１同様に煙感知器にスプレ
ーで約３秒間噴射したところ、約５秒後に結果が確認で
きた。Example 3: 63% by weight of propane and butane 2
A test gas composition was prepared by adding 0.4% by weight of silicone oil as fats and oils to 7% by weight, and further adding and mixing 9.6% by weight of ethyl alcohol. When the obtained gas composition was sprayed onto the smoke detector for about 3 seconds in the same manner as in Example 1, the result was confirmed after about 5 seconds.
【００１８】実施例４：プロパン６６重量％ブタン２９
重量％に、パラフィン類として流動パラフィンを０．４
５重量％添加し、さらに、エチルアルコールを４．５５
重量％添加して混合して試験用ガス組成物を調製した。
得られたガス組成物を使用して実施例１同様に煙感知器
にスプレーで約３秒間噴射したところ、約４秒後に結果
が確認できた。Example 4: 66% by weight of propane butane 29
% By weight of liquid paraffin as paraffin
5% by weight, and 4.55 ethyl alcohol.
The test gas composition was prepared by adding and mixing by weight%.
When the obtained gas composition was sprayed onto the smoke detector for about 3 seconds in the same manner as in Example 1, the result was confirmed after about 4 seconds.
【００１９】実施例５：プロパン４５重量％とブタン４
５重量％とを使用した以外は、実施例１と同様にして試
験用ガス組成物を調製した。得られたガス組成物を使用
して実施例１同様に煙感知器にスプレーで約３秒間噴射
したところ、約５秒後に結果が確認できた。Example 5: 45% by weight of propane and butane 4
A test gas composition was prepared in the same manner as in Example 1 except that 5% by weight was used. When the obtained gas composition was sprayed onto the smoke detector for about 3 seconds in the same manner as in Example 1, the result was confirmed after about 5 seconds.
【００２０】実施例６：エチルアルコールを添加しなか
った以外は、実施例１と同様にして試験用ガス組成物を
調製した。得られたガス組成物を使用して実施例１同様
に煙感知器にスプレーで約３秒間噴射したところ、約５
秒後に結果が確認できた。Example 6 A test gas composition was prepared in the same manner as in Example 1 except that ethyl alcohol was not added. When the obtained gas composition was sprayed on a smoke detector for about 3 seconds in the same manner as in Example 1, about 5 seconds were obtained.
Seconds later the result was confirmed.
【００２１】実施例７：グリコール類としてＰＡＧ５６
（日本サン石油（株）製、商品名）を添加した以外は、
実施例１と同様にして試験用ガス組成物を調製した。得
られたガス組成物を使用して実施例１同様に煙感知器に
スプレーで約２秒間噴射したところ、約４秒後に結果が
確認できた。Example 7: PAG56 as glycols
(Nippon Sun Oil Co., Ltd., trade name)
A test gas composition was prepared in the same manner as in Example 1. When the obtained gas composition was sprayed onto the smoke detector for about 2 seconds in the same manner as in Example 1, the result was confirmed after about 4 seconds.
【００２２】比較例：ハイドロフルオロカーボンに、流
動パラフィンを１重量％添加して混合して試験用ガス組
成物を調製した。得られたガス組成物を使用して実施例
１同様に煙感知器にスプレーで約５秒間噴射したところ
煙感知器は作動せず、したがって同様な噴射を３回繰返
して初めて煙感知器が作動した。Comparative Example: 1% by weight of liquid paraffin was added to hydrofluorocarbon and mixed to prepare a test gas composition. When the smoke composition was sprayed onto the smoke detector for about 5 seconds using the obtained gas composition in the same manner as in Example 1, the smoke detector did not operate. Therefore, the smoke detector was not activated until the same injection was repeated three times. did.
【００２３】[0023]
【発明の効果】本発明は、特定の噴射剤に特定添加物を
特定量添加したガス組成物としたものであるから、煙感
知器の作動試験を、特殊な大型の試験治具を使用するな
く簡易な器具を用いて、簡単に、確実に、正確に行い得
る等、顕著な効果が認められる。According to the present invention, since the gas composition is obtained by adding a specific amount of a specific additive to a specific propellant, the operation test of the smoke detector uses a special large test jig. A remarkable effect such as simple, reliable and accurate performance can be obtained using a simple and simple tool.
【図１】本発明に係るガス組成物を煙感知器に噴射する
ための器具の一実施例を示す図で、（ａ）は一部破断さ
れた中央断面図、（ｂ）は筒状体部分の拡大平面図であ
る。FIG. 1 is a view showing one embodiment of a device for injecting a gas composition according to the present invention into a smoke detector, wherein (a) is a partially cutaway central sectional view, and (b) is a tubular body. It is an enlarged plan view of a part.
１ スプレー容器 ２ ノズル ３、４ 中空体 ５ 筒状体 ６、７ ビス ８ 溝 DESCRIPTION OF SYMBOLS 1 Spray container 2 Nozzle 3, 4 Hollow body 5 Cylindrical body 6, 7 Screw 8 Groove
Claims (4)
ルエーテルのうちの少なくとも１種からなる噴射剤に、
０．００１〜３０重量％の添加剤を添加してなることを
特徴とする煙感知器試験用ガス組成物。1. A propellant comprising at least one of isobutane, propane, butane and dimethyl ether,
A gas composition for a smoke detector test, comprising 0.001 to 30% by weight of an additive.
パラフィン類、ポリオールエステル及びカーボネートの
うち少なくとも１種からなることを特徴とする請求項１
記載の煙感知器試験用ガス組成物。2. The additive includes glycols, fats and oils,
2. The composition according to claim 1, comprising at least one of paraffins, polyol esters and carbonates.
A gas composition for testing a smoke detector according to the above.
有してなることを特徴とする請求項１ないし２のいずれ
か１項記載の煙感知器試験用ガス組成物。3. The gas composition for a smoke detector test according to claim 1, further comprising 50% by weight or less of an alcohol.
ガス組成物を煙感知器に噴射するに際し、該ガス組成物
が充填されたスプレー容器のノズルの外周部に、相互に
嵌合可能な少なくとも２つの中空体からなる筒状体の一
端を取付けてなることを特徴とするガス組成物を煙感知
器に噴射するための器具。4. When the gas composition according to claim 1 is injected into a smoke detector, the gas composition is fitted to an outer peripheral portion of a nozzle of a spray container filled with the gas composition. A device for injecting a gas composition into a smoke detector, characterized in that one end of a cylindrical body comprising at least two hollow bodies is attached.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP22319596A JPH1048133A (en) | 1996-08-06 | 1996-08-06 | Gas composition for testing smoke sensor and apparatus for jetting the same to smoke sensor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP22319596A JPH1048133A (en) | 1996-08-06 | 1996-08-06 | Gas composition for testing smoke sensor and apparatus for jetting the same to smoke sensor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH1048133A true JPH1048133A (en) | 1998-02-20 |
Family
ID=16794296
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP22319596A Pending JPH1048133A (en) | 1996-08-06 | 1996-08-06 | Gas composition for testing smoke sensor and apparatus for jetting the same to smoke sensor |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH1048133A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2012208612A (en) * | 2011-03-29 | 2012-10-25 | Nohmi Bosai Ltd | Smoke tester |
-
1996
- 1996-08-06 JP JP22319596A patent/JPH1048133A/en active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2012208612A (en) * | 2011-03-29 | 2012-10-25 | Nohmi Bosai Ltd | Smoke tester |
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