Dry cleaning apparatus and method capable of utilizing a siloxane composition as a solvent
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United States of America Patent
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May 9, 2000
Issued Date -
N/A
app pub date -
Jul 14, 1999
filing date -
Aug 22, 1997
priority date (Note) -
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Abstract
A system and method are provided for dry cleaning articles utilizing a siloxane solvent. The system includes a cleaning basket for receiving articles therein and a one or more tanks for containing a siloxane solvent. Coupled between the tank and the cleaning basket is a pump for immersing the articles in the cleaning basket with the siloxane solvent. Also included is a still for distilling the dirty siloxane solvent to recover the pure siloxane solvent. A condenser is coupled to the cleaning basket and/or the still for recovering condensed vapors. For decanting any water in the siloxane solvent received from the condenser, a separator is coupled to the condenser. A fan is coupled to the cleaning basket for circulating air past the condenser, then the heater coils and into the cleaning basket for drying and cooling the articles.
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