Claims
- 1. A method of dry cleaning, comprising:
- drawing a plurality of mixed solvents from a first source into a container;
- processing the contents of the container with the plurality of mixed solvents;
- passing the plurality of mixed solvents through a fractionating arrangement to separate out the plurality of mixed solvents;
- returning the fractionated plurality of mixed solvents to the first source;
- drawing a cleaning fluid, having a cleaning characteristic and boiling point different from the plurality of mixed solvents, from a second source into the container;
- processing the contents of in the container with the cleaning fluid;
- passing the cleaning fluid through a fractionating arrangement to separate out the cleaning fluid;
- returning the cleaning fluid to the second source.
- 2. The method as in claim 1, wherein
- the plurality of mixed solvents is a first plurality of mixed solvents; and
- the cleaning fluid is a second plurality of mixed solvents.
- 3. The method as in claim 1, wherein the first source and the second source are each separate solvent tanks.
Priority Claims (1)
Number |
Date |
Country |
Kind |
61-168837 |
Jul 1986 |
JPX |
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Parent Case Info
This is a continuation of application Ser. No. 281,931, filed Dec. 6, 1988, now abandoned which is a continuation of Ser. No. 072,219 filed July 10, 1987, now abandoned.
US Referenced Citations (5)
Foreign Referenced Citations (1)
Number |
Date |
Country |
2812666 |
Oct 1978 |
DEX |
Continuations (2)
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Number |
Date |
Country |
Parent |
281931 |
Dec 1988 |
|
Parent |
72219 |
Jul 1987 |
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