Claims
- 1. A dry cleaning method comprising the steps of providing tanks for exclusively receiving at least two kinds of solvents which are soluble in each other, connecting one treating tank to the tanks, providing a fractionating device, connected to the tanks and the treating tank, recovering the two or more kinds of solvents by fractional distillation through the use of the fractionating device, providing exclusive filters for the respective solvents through the use of a common filter or a multi-filter device composed of both the filters which is disposed between the tanks and the treating tank, and using the two or more kinds of solvents independently so that washing is carried out.
Priority Claims (2)
Number |
Date |
Country |
Kind |
59-277497 |
Dec 1984 |
JPX |
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59-277498 |
Dec 1984 |
JPX |
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Parent Case Info
This application is a divisional of copending application Ser. No. 014,655, filed on Feb. 13, 1987, which is a divisional of copending application Ser. No. 813,698, filed on Dec. 27, 1985, and now U.S. Pat. No. 4,712,392.
US Referenced Citations (4)
Foreign Referenced Citations (1)
Number |
Date |
Country |
2812666 |
Oct 1978 |
DEX |
Divisions (2)
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Number |
Date |
Country |
Parent |
14655 |
Feb 1987 |
|
Parent |
813698 |
Dec 1985 |
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