Dry cleaning system

Claim 1

IN A DRY-CLEANING SYSTEM WHERE SOLVENT-LADEN, CLEANED FABRICS ARE TUMBLED IN TUB DISPOSED WITHIN A VAPORTIGHT ENCLOSURE HAVING A CLOSED ACCESS PORT THEREIN, THE COMBINATION WHICH COMPRISES: (A) A LIQUID RESEVOIR CONNECTED BY WAY OF A PLURALITY OF FLOW CHANNELS TO SAID ENCLOSURE, EACH OF SAID CHANNELS INCLUDING VALVE MEANS, (B) A SOLVENT RECOVERY UNIT HAVING AN AIR DUCT LEADING TO AND FROM SAID ENCLOSURE INCLUDING DAMPER MEANS ADJACENT THE JUNCTURES BETWEEN THE ENDS OF SAID DUCT AND SAID ENCLOSUE, (C) MEANS IN SAID RECOVERY UNIT FOR SEQUENTIALLY CHILLING AND HEATING AIR DRIVEN THROUGH SAID DUCT FOR PASSAGE THROUGH SAID FABRICS TO EXTRACT SLOVENT THEREFROM, AND (D) MEANS RESPONSIVE TO OPENING SAID ACCESS PORT FOR CLOSING SAID VALVE MEANS AND SAID DAMPER MEANS AND FOR SIMULTANEOUSLY INITIATING THE FLOW OF AIR INTO SAID ENCLOSURE THROUGH SAID ACCESS PORT.