Equipment and process for agitated tank cleaning

Claim 1

CLEANING APPARATUS WHICH COMPRISES A CLEANING TANK, AN AUXILIARY TANK POSITIONED IN SIDE-BY-SIDE RELATION TO SAID CLEANING TANK, SAID AUXILIARY TANK, HAVING A SMALLER VOLUME THAN SAID CLEANING TANK, SOLID PARTITION SEPARATING SAID CLEANING AND AUXILIARY TANKS, SAID PARTITION EXTENDING FROM A POSITION ADJACENT THE UPPER END OF EACH OF SAID TANKS TO THE BOTTOM THEREOF, AND BLOCKING OFF FLUID COMMUNICATION BETWEEN SAID TANKS ADJACENT THE LOWER ENDS THEREOF, AGITATOR MEANS POSITIONED IN SAID CLEANING TANK, A HERMETICALLY SEALED COVER POSITIONED AT THE UPPER END OF SAID TANKS AND CLOSING SAID TANKS, SAID COVER ABUTTING THE UPPER END OF SAID PARTITION, MEANS MOUNTING SAID COVER TO PERMIT VERTICAL SLIDADE MOVEMENT THEREOF AWAY FROM AND TOWARD THE UPPER END OF SAID PARTITION, EXTERNAL CONDUIT MEANS PROVIDING FLIUD COMMUNICATION BETWEEN THE LOWER ENDS OF SAID AUXILIARY AND CLEANING TANKS, AND PUMP MEANS FOR FORCING A LIQUID THROUGH SAID CONDUIT MEANS FROM ONE OF SAID TANKS TO THE OTHER, WHEREBY PASSAGE OF LIQUID FROM ONE TANK TO THE OTHER WILL RAISE SAID COVER, RESULTING IN A FLOW OF LIQUID FRO THE UPPER END OF SAID OTHER TANK OVER SAID PARTITION AND INTO SAID ONE TANK

Claim 2

THE METHOD OF CLEANING METAL PARTS IN A CLEANING TANK EMPLOYING THEREIN A TWO-PHASE LIQUID SYSTEM COMPOSED OF A HIGH SPECIFIC GRAVITY CLEANING LIQUID AND A LOW SPECIFIC GRAVITY SEAL LIQUID IMMISCIBLE WITH SAID CLEANING LIQUID, WHICH COMPRISES COVERING THE CLEANING TANK WITH A LID, TRANSFERRING THE LOW SPECIFIC GRAVITY SEAL LIQUID TO AN AUXILIARY TANK NOT SUBJECT TO AGITATION, COMMENCING AGITATION OF THE CLEANING LIQUID IN SAID CLEANING TANK AND MAINTAINING AGITATION UNTIL THE PARTS ARE CLEAN, STOPPING THE AGITATION, TRANSFERRING THE LOW SPECIFIC GRAVITY SEAL LIQUID BACK TO THE CLEANING TANK AND REMOVING THE LID.