JP3172585B2 - Initial operation control method in dry cleaning device using flammable solvent - Google Patents
Initial operation control method in dry cleaning device using flammable solventInfo
- Publication number
- JP3172585B2 JP3172585B2 JP16618892A JP16618892A JP3172585B2 JP 3172585 B2 JP3172585 B2 JP 3172585B2 JP 16618892 A JP16618892 A JP 16618892A JP 16618892 A JP16618892 A JP 16618892A JP 3172585 B2 JP3172585 B2 JP 3172585B2
- Authority
- JP
- Japan
- Prior art keywords
- washing
- drying system
- pressure
- distillation
- dry cleaning
- 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.)
- Expired - Fee Related
Links
- 238000005108 dry cleaning Methods 0.000 title claims description 18
- 239000002904 solvent Substances 0.000 title claims description 15
- 238000000034 method Methods 0.000 title claims description 7
- 238000001035 drying Methods 0.000 claims description 51
- 238000005406 washing Methods 0.000 claims description 38
- 238000004821 distillation Methods 0.000 claims description 36
- 238000004140 cleaning Methods 0.000 claims description 19
- 239000011261 inert gas Substances 0.000 claims description 3
- 239000002351 wastewater Substances 0.000 claims 1
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 27
- 229910001873 dinitrogen Inorganic materials 0.000 description 19
- 229910052757 nitrogen Inorganic materials 0.000 description 4
- 239000003208 petroleum Substances 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 238000004880 explosion Methods 0.000 description 2
- 239000007789 gas Substances 0.000 description 2
- 238000002347 injection Methods 0.000 description 2
- 239000007924 injection Substances 0.000 description 2
- 239000002184 metal Substances 0.000 description 2
- 230000006837 decompression Effects 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 230000003068 static effect Effects 0.000 description 1
Landscapes
- Accessory Of Washing/Drying Machine, Commercial Washing/Drying Machine, Other Washing/Drying Machine (AREA)
- Physical Or Chemical Processes And Apparatus (AREA)
Description
【０００１】[0001]
【産業上の利用分野】本発明は、ドライクリーニング機
の洗浄・乾燥系内に不活性ガスを投入して、可燃性溶剤
使用による爆発の危険をなくしたドライクリーニング装
置の初期運転制御方法に関する。BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a method for controlling the initial operation of a dry cleaning apparatus in which an inert gas is introduced into a cleaning / drying system of a dry cleaning machine to eliminate the danger of explosion due to the use of a flammable solvent.
【０００２】[0002]
【従来の技術】ドライクリーニングにおいては、公害防
止のために石油系溶剤を使用することが検討されている
が、石油系溶剤は引火点が約４１℃と低く、洗浄・乾燥
工程、特に乾燥工程において衣服類が乾燥されていくに
つれて衣服類の温度が上昇すると共に溶剤ガスの濃度が
薄くなって引火しやすくなり、静電気による火花や、金
属が衣服類と一緒に内胴中に入った場合に内胴と金属と
が当ることによって発生する火花によって、溶剤ガスに
引火して爆発するおそれがある。2. Description of the Related Art In dry cleaning, the use of petroleum-based solvents has been studied to prevent pollution. However, petroleum-based solvents have a low flash point of about 41 ° C. As the clothes dry, the temperature of the clothes rises and the concentration of the solvent gas decreases, making it easier to catch fire.If sparks due to static electricity or metal enters the inner body together with the clothes, There is a risk that the solvent gas will ignite and explode due to sparks generated by the contact between the inner body and the metal.
【０００３】前記のような爆発の危険を防止するため、
ドライクリーニング機の洗浄・乾燥系内を減圧し、窒素
ガスを投入して洗浄および乾燥工程を行なうことが提案
されている（特開平３−１２６４８９号参照）。また、
石油系溶剤は、加熱によって蒸発する留出温度が１５５
℃から１９４℃くらいまでの広い留出温度範囲の物質が
含まれているので、蒸留器の加熱温度を１４５℃〜１５
０℃に設定すると共に蒸留系をバキュームポンプにより
減圧し、その減圧度を調整することにより初留出点から
終留出点に至るまでの蒸留を行なうことが知られている
（特開平４−１２２４０１号参照）。In order to prevent the danger of explosion as described above,
It has been proposed that the inside of a washing / drying system of a dry cleaning machine be decompressed and a washing and drying step be performed by introducing nitrogen gas (see Japanese Patent Application Laid-Open No. 3-126489). Also,
Petroleum solvents have a distillation temperature of 155 which evaporates by heating.
C. to 194.degree. C., the distillation temperature is 145.degree.
It is known that distillation is performed from the initial distillation point to the final distillation point by setting the temperature at 0 ° C. and depressurizing the distillation system by a vacuum pump, and adjusting the degree of the depressurization (Japanese Patent Laid-Open No. Hei 4-1992). 122401).
【０００４】[0004]
【発明が解決しようとする課題】ところで、前記の如き
従来の技術においては、洗浄・乾燥系と蒸留系とがそれ
ぞれ独立しており、被洗物を洗浄槽に入れるときにはド
アを開くので、洗浄・乾燥系内がほづ大気圧となり、新
たな被洗物の洗浄を行なう度に洗浄・乾燥系内を大気圧
の状態から設定値まで減圧しなければならないという問
題がある。In the prior art as described above, the washing / drying system and the distillation system are independent of each other, and the door is opened when the object to be washed is put into the washing tank. There is a problem that the inside of the drying system becomes almost atmospheric pressure, and the inside of the washing / drying system must be reduced in pressure from the atmospheric pressure state to a set value every time a new object is washed.
【０００５】本発明は前記の如き従来技術の問題点を改
善し、新たな被洗物を洗浄するためにスタートスイッチ
をオンにすると、ほぼ瞬時に洗浄・乾燥系内をある程度
減圧して洗浄・乾燥系内の減圧時間を短縮させることが
できるドライクリーニング装置における初期運転制御方
法を提供することを目的とする。The present invention solves the above-mentioned problems of the prior art. When a start switch is turned on to wash a new object to be washed, the inside of the washing / drying system is reduced to some extent almost instantaneously. It is an object of the present invention to provide an initial operation control method in a dry cleaning device that can reduce a decompression time in a drying system.
【０００６】[0006]
【課題を解決するための手段】本発明は、前記の如き目
的を達成するため、洗浄・乾燥系内を減圧した後不活性
ガスを投入して洗浄および乾燥工程を行ない、洗浄工程
により汚れた溶剤を蒸留系に移送し、その蒸留系内を減
圧しながら溶剤を蒸留すべくなした可燃性溶剤使用のド
ライクリーニング装置において、前記洗浄・乾燥系と蒸
留系とをエアバランス弁を有する管路により接続し、被
洗物を洗浄槽中に入れてドアを閉めた後、スタートスイ
ッチをオンにすると、マイコン制御部により前記エアバ
ランス弁を所定時間だけ開き、これにより洗浄・乾燥系
内と蒸留系内とを均圧化させると共に洗浄・乾燥系内を
減圧状態にすることを特徴とする。According to the present invention, in order to achieve the above-mentioned object, the inside of the washing / drying system is depressurized, and then the inert gas is supplied to carry out the washing and drying steps. In a dry cleaning apparatus using a flammable solvent for transferring a solvent to a distillation system and distilling the solvent while depressurizing the distillation system, a line having an air balance valve for the cleaning / drying system and the distillation system. When the start switch is turned on after putting the article to be washed into the washing tank and closing the door, the microcomputer control unit opens the air balance valve for a predetermined time, thereby distilling the inside of the washing and drying system. It is characterized by equalizing the pressure inside the system and reducing the pressure inside the washing / drying system.
【０００７】[0007]
【作用】本発明を適用するドライクリーニング装置は、
前記の如く蒸留系内を減圧しながら溶剤を蒸留するの
で、１サイクルの洗浄工程、乾燥工程、蒸留工程を終了
した時点では、蒸留系内は減圧状態、例えば−５５０ｍ
ｍＨｇになっている。本発明はこの点に着目し、洗浄・
乾燥系と蒸留系とをエアバランス弁を有する管路により
接続し、新たな被洗物を洗うためにスタートスイッチを
オンにすると、前記エアバランス弁を所定時間だけ開
き、洗浄・乾燥系内と蒸留系内とを均圧化させるので、
例えば洗浄・乾燥系と蒸留系との容積がほぼ等しい場
合、洗浄・乾燥系内をほぼ瞬時に−２５０ｍｍＨｇまで
減圧することができ、これにより洗浄・乾燥系内の減圧
に要する時間を顕著に短縮してドライクリーニング装置
の能率を向上させることができる。The dry cleaning apparatus to which the present invention is applied is:
Since the solvent is distilled while depressurizing the inside of the distillation system as described above, at the time when one cycle of the washing step, the drying step and the distillation step are completed, the inside of the distillation system is in a reduced pressure state, for example, -550 m.
mHg. The present invention pays attention to this point, and
When the drying system and the distillation system are connected by a pipe having an air balance valve and a start switch is turned on to wash a new object to be washed, the air balance valve is opened for a predetermined time, and the inside of the washing / drying system is opened. Since the pressure inside the distillation system is equalized,
For example, when the volumes of the washing / drying system and the distillation system are almost equal, the pressure in the washing / drying system can be reduced to -250 mmHg almost instantaneously, thereby significantly reducing the time required for the pressure reduction in the washing / drying system. As a result, the efficiency of the dry cleaning device can be improved.
【０００８】[0008]
【実施例】以下、本発明の一実施例を添付図面について
説明する。DESCRIPTION OF THE PREFERRED EMBODIMENTS One embodiment of the present invention will be described below with reference to the accompanying drawings.
【０００９】図１は本発明による初期運転制御方法を示
すフローチャート、図２は本発明を適用したドライクリ
ーニング装置の構成を示すブロック図である。FIG. 1 is a flowchart showing an initial operation control method according to the present invention, and FIG. 2 is a block diagram showing a configuration of a dry cleaning apparatus to which the present invention is applied.
【００１０】図２において、１はドライクリーニング機
の洗浄・乾燥系、２は同じく蒸留系であって、両者は図
に示す如く多数の管路により接続されている。なお、図
２は図示の都合上洗浄・乾燥系１と蒸留系２とが分離さ
れているが、実際には一体的に組み込まれて１つのドラ
イクリーニング装置が構成されている。In FIG. 2, reference numeral 1 denotes a washing / drying system of a dry cleaning machine, and 2 denotes a distillation system, both of which are connected by a number of pipes as shown in FIG. Although the washing / drying system 1 and the distillation system 2 are separated in FIG. 2 for the sake of illustration, they are actually integrated into one dry cleaning apparatus.
【００１１】本発明を適用するドライクリーニング装置
は、洗浄・乾燥系１を窒素ガス投入弁３を有する管路を
介して窒素ガスタンク４に接続し、かつ、その窒素ガス
タンク４は管路を介して空気中から窒素をとり込む窒素
ガス発生装置５と接続されており、その窒素ガス発生装
置５により空気中からとり込んだ窒素を窒素ガスタンク
４中に貯留圧５ｋｇ／ｃｍ2で貯留し、窒素ガスタンク
４中の窒素ガスを洗浄・乾燥系に送って貯留圧が下がる
と窒素ガス発生装置５を駆動して窒素ガスタンク４の貯
留圧を５ｋｇ／ｃｍ2に保つように構成されている。そ
して、洗浄・乾燥系１内を減圧し、その減圧度が設定圧
例えば−５５０ｍｍＨｇになったことを窒素ガス投入制
御用圧力検出手段６が検出すると、マイコン制御部７を
介し窒素ガス投入弁３を開いて洗浄・乾燥系１内に窒素
ガスを投入し、これにより洗浄・乾燥系１内が大気圧
（０ｍｍＨｇ）になったことを圧力検出手段６が検出す
ると窒素ガス投入弁３を閉じて洗浄工程に入るように構
成されている。In the dry cleaning apparatus to which the present invention is applied, the cleaning / drying system 1 is connected to a nitrogen gas tank 4 via a pipe having a nitrogen gas input valve 3, and the nitrogen gas tank 4 is connected via a pipe. It is connected to a nitrogen gas generator 5 for taking in nitrogen from the air, and stores nitrogen taken in from the air by the nitrogen gas generator 5 in a nitrogen gas tank 4 at a storage pressure of 5 kg / cm 2. When the storage pressure is reduced by sending the nitrogen gas in 4 to the cleaning / drying system, the nitrogen gas generator 5 is driven to maintain the storage pressure of the nitrogen gas tank 4 at 5 kg / cm 2 . Then, the pressure in the cleaning / drying system 1 is reduced. When the nitrogen gas supply control pressure detecting means 6 detects that the degree of pressure reduction has become a set pressure, for example, -550 mmHg, the nitrogen gas supply valve 3 is controlled via the microcomputer controller 7. Is opened and nitrogen gas is injected into the cleaning / drying system 1. When the pressure detecting means 6 detects that the inside of the cleaning / drying system 1 has reached atmospheric pressure (0 mmHg), the nitrogen gas input valve 3 is closed. It is configured to enter a cleaning step.
【００１２】また、洗浄・乾燥系１に接続した洗浄・乾
燥系用の電磁開閉バキューム弁８を有する管路と蒸留系
２に接続した蒸留系用の電磁開閉バキューム弁９，９′
を有する管路とを接続し、かつ、その接続点を１台のバ
キュームポンプ１０に接続し、常態においては該バキュ
ームポンプ１０を連続的に運転し、蒸留系用の電磁開閉
バキューム弁９，９′を閉じると共に洗浄系用の電磁開
閉バキューム弁８を開くと洗浄・乾燥系１内を減圧し、
逆に、洗浄・乾燥系用の電磁開閉バキューム弁８を閉じ
ると共に蒸留系用の電磁開閉バキューム弁９，９′を開
くと蒸留系２内を減圧し得るように構成されている。な
お、この実施例において、蒸留系用の電磁開閉バキュー
ム弁が２個併設されているのは、その一方が先に示した
特開平４−１２２４０１号公報に開示されている大流量
排気管路用、他方が小流量排気管路用のものである。A conduit having an electromagnetic opening / closing vacuum valve 8 for the washing / drying system connected to the washing / drying system 1 and electromagnetic opening / closing vacuum valves 9, 9 'for the distillation system connected to the distillation system 2.
And a connection point thereof is connected to one vacuum pump 10, and in a normal state, the vacuum pump 10 is continuously operated, and an electromagnetic switching vacuum valve 9, 9 for a distillation system is used. ′ Is closed and the electromagnetic opening / closing vacuum valve 8 for the cleaning system is opened, the pressure in the cleaning / drying system 1 is reduced,
Conversely, when the electromagnetic opening / closing vacuum valve 8 for the washing / drying system is closed and the electromagnetic opening / closing vacuum valves 9 and 9 'for the distillation system are opened, the pressure in the distillation system 2 can be reduced. In this embodiment, two electromagnetic opening / closing vacuum valves for the distillation system are provided in parallel, one of which is for a large flow exhaust pipe disclosed in the above-mentioned Japanese Patent Application Laid-Open No. 4-122401. The other is for a small flow exhaust pipe.
【００１３】また、この実施例において、１１は洗浄・
乾燥系内の減圧度を制御する圧力検出手段であって、前
記の如く、蒸留系のバキューム弁９，９′を閉じると共
に洗浄・乾燥系のバキューム弁８を開いて洗浄・乾燥系
内を減圧し、その減圧度が設定値例えば−５５０ｍｍＨ
ｇに達したことを圧力検出手段１１が検出すると、マイ
コン制御部７を介してバキューム弁８を閉じるように構
成されている。In this embodiment, reference numeral 11 denotes a cleaning
A pressure detecting means for controlling the degree of reduced pressure in the drying system. As described above, the vacuum valves 9 and 9 'of the distillation system are closed and the vacuum valve 8 of the washing and drying system is opened to reduce the pressure in the washing and drying system. And the degree of pressure reduction is set to a set value, for example, -550 mmH
When the pressure detecting means 11 detects that the pressure has reached g, the vacuum valve 8 is closed via the microcomputer control unit 7.
【００１４】本発明においては、洗浄・乾燥系１と蒸留
系２とをエアバランス弁１２を有する管路１３によって
接続し、このエアバランス弁は常態においては閉じてい
るが、後述のように、新たな被洗物を洗浄槽に入れてド
アを閉めた後スタートスイッチをオンにすると、マイコ
ン制御部７により所定時間例えば２０秒間だけエアバラ
ンス弁１２を開くように構成されている。In the present invention, the washing / drying system 1 and the distillation system 2 are connected by a line 13 having an air balance valve 12, and this air balance valve is normally closed. When the start switch is turned on after a new article to be washed is put into the washing tank and the door is closed, the microcomputer control section 7 opens the air balance valve 12 for a predetermined time, for example, 20 seconds.
【００１５】次に、図１について本発明の初期運転制御
方法を説明する。Next, an initial operation control method according to the present invention will be described with reference to FIG.
【００１６】図示を省略した洗浄槽のドアをあけて前回
洗浄した被洗物を取り出し、新たな被洗物を洗浄槽中に
入れてドアを閉める。この時点では洗浄・乾燥系１内は
ほぼ大気圧、蒸留系２内は蒸留時の減圧度例えば−５５
０ｍｍＨｇを保っている。Opening the door of a washing tank (not shown), the object to be washed previously is taken out, a new object to be washed is put into the washing tank, and the door is closed. At this point, the inside of the washing / drying system 1 is almost at atmospheric pressure, and the inside of the distillation system 2 is a reduced pressure during distillation, for example, -55.
0 mmHg is maintained.
【００１７】この常態でスタートスイッチをオンにする
と、マイコン制御部の指示に基づいて図１に示すように
エアバランス弁１２を所定時間例えば２０秒間だけ開い
て閉じる。このため、洗浄・乾燥系１内と蒸留系２内が
急速に均圧化され、例えば洗浄・乾燥系１内と蒸留系２
内とが−２５０ｍｍＨｇとなる。次いで、洗浄・乾燥系
内の減圧度が設定値例えば−５５０ｍｍＨｇ以下かどう
かを判断し、−５５０ｍｍＨｇ以下であるので洗浄・乾
燥系用バキューム弁８を開き、バキュームポンプ１０に
より洗浄・乾燥系１内が減圧され、洗浄・乾燥系１内が
−５５０ｍｍＨｇまで減圧されたことを検知すると窒素
投入弁３を開いて洗浄・乾燥系１内に窒素ガスを投入
し、これにより、洗浄・乾燥系内がほぼ大気圧になった
ことを検出すると窒素投入弁３を閉じ、ここからマイコ
ン制御部は設定されたプログラムに従って洗浄工程，乾
燥工程ならびに蒸留工程を行なう。When the start switch is turned on in this normal state, the air balance valve 12 is opened and closed for a predetermined time, for example, 20 seconds, as shown in FIG. For this reason, the pressure in the washing / drying system 1 and the distillation system 2 are rapidly equalized.
The inside becomes -250 mmHg. Next, it is determined whether or not the degree of reduced pressure in the cleaning / drying system is equal to or less than a set value, for example, -550 mmHg. When it is detected that the pressure in the cleaning / drying system 1 has been reduced to −550 mmHg, the nitrogen inlet valve 3 is opened to supply nitrogen gas into the cleaning / drying system 1. When it is detected that the atmospheric pressure has been almost reached, the nitrogen injection valve 3 is closed, and the microcomputer control unit performs the washing step, the drying step and the distillation step according to the set program.
【００１８】[0018]
【発明の効果】以上述べたように、本発明によれば、ス
タートスイッチをオンにすると、それまでほぼ大気圧で
あった洗浄・乾燥系を実用上瞬時に減圧し、その常態か
ら設定値まで減圧するので、洗浄・乾燥系の減圧に必要
とする時間を大幅に短縮してドライクリーニング装置の
能率を向上させることができる。As described above, according to the present invention, when the start switch is turned on, the cleaning / drying system, which had been almost at atmospheric pressure, is practically instantaneously reduced in pressure from the normal state to the set value. Since the pressure is reduced, the time required for reducing the pressure in the cleaning / drying system can be greatly reduced, and the efficiency of the dry cleaning device can be improved.
図１は本本発明による初期運転制御方法のフローチャー
トである。 図２は本発明を適用したドライクリーニング装置の構成
を示すブロック図である。FIG. 1 is a flowchart of the initial operation control method according to the present invention. FIG. 2 is a block diagram showing a configuration of a dry cleaning apparatus to which the present invention is applied.
１…ドライクリーニング装置の洗浄・乾燥系、２…同じ
く蒸留系、３…窒素ガス投入弁、４…窒素ガスタンク、
５…窒素ガス発生装置、６…窒素ガス投入制御用圧力検
出手段、７…マイコン制御部、８…洗浄・乾燥系用の電
磁開閉バキューム弁、９，９′…蒸留系用の電磁開閉バ
キューム弁、１０…バキュームポンプ、１１…洗浄・乾
燥系の減圧制御用圧力検出手段、１２…エアバランス
弁、１３…洗浄・乾燥系と蒸留系とを結ぶ管路。1. Cleaning / drying system of dry cleaning device 2. Distilling system similarly 3. Nitrogen gas input valve 4. Nitrogen gas tank
Reference numeral 5: Nitrogen gas generator, 6: Pressure detection means for nitrogen gas injection control, 7: Microcomputer control unit, 8: Electromagnetic opening / closing vacuum valve for washing / drying system, 9, 9 '... Electromagnetic opening / closing vacuum valve for distillation system Reference numeral 10 denotes a vacuum pump, 11 denotes a pressure detecting means for controlling pressure reduction of a washing / drying system, 12 ... an air balance valve, 13 ... a pipe connecting the washing / drying system and the distillation system.
───────────────────────────────────────────────────── フロントページの続き (56)参考文献 特開 平３−228800（ＪＰ，Ａ) 特開 昭61−179192（ＪＰ，Ａ) 特開 平３−228799（ＪＰ，Ａ) 実開 昭55−128691（ＪＰ，Ｕ) (58)調査した分野(Int.Cl.7，ＤＢ名) D06F 43/08 ──────────────────────────────────────────────────続 き Continuation of the front page (56) References JP-A-3-228800 (JP, A) JP-A-61-179192 (JP, A) JP-A-3-228799 (JP, A) 128691 (JP, U) (58) Field surveyed (Int. Cl. 7 , DB name) D06F 43/08
Claims (1)
を投入して洗浄および乾燥工程を行ない、洗浄工程によ
り汚れた溶剤を蒸留系に移送し、その蒸留系内を減圧し
ながら溶剤を蒸留すべくなした可燃性溶剤使用のドライ
クリーニング装置において、前記洗浄・乾燥系と蒸留系
とをエアバランス弁を有する管路により接続し、被洗物
を洗浄槽中に入れてドアを閉めた後、スタートスイッチ
をオンにすると、マイコン制御部により前記エアバラン
ス弁を所定時間だけ開き、これにより洗浄・乾燥系内と
蒸留系内とを均圧化させると共に洗浄・乾燥系内を減圧
状態にすることを特徴とする可燃性溶剤使用のドライク
リーニング装置における初期運転制御方法。After the pressure in the washing / drying system has been reduced, an inert gas is introduced to carry out the washing and drying processes. The solvent contaminated by the washing process is transferred to the distillation system, and the solvent is removed while the distillation system is depressurized. In the dry cleaning apparatus using a flammable solvent for distilling the waste water, the washing / drying system and the distillation system are connected by a pipe having an air balance valve, the object to be washed is put into the washing tank, and the door is closed. After that, when the start switch is turned on, the microcomputer control unit opens the air balance valve for a predetermined time, thereby equalizing the pressure in the cleaning / drying system and the distillation system, and reducing the pressure in the cleaning / drying system. An initial operation control method in a dry cleaning device using a flammable solvent, characterized in that:
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP16618892A JP3172585B2 (en) | 1992-06-24 | 1992-06-24 | Initial operation control method in dry cleaning device using flammable solvent |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP16618892A JP3172585B2 (en) | 1992-06-24 | 1992-06-24 | Initial operation control method in dry cleaning device using flammable solvent |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH067586A JPH067586A (en) | 1994-01-18 |
| JP3172585B2 true JP3172585B2 (en) | 2001-06-04 |
Family
ID=15826717
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP16618892A Expired - Fee Related JP3172585B2 (en) | 1992-06-24 | 1992-06-24 | Initial operation control method in dry cleaning device using flammable solvent |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JP3172585B2 (en) |
-
1992
- 1992-06-24 JP JP16618892A patent/JP3172585B2/en not_active Expired - Fee Related
Also Published As
| Publication number | Publication date |
|---|---|
| JPH067586A (en) | 1994-01-18 |
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