Immersion treatment apparatus

Claim 1

IN AN APPARATUS FOR AUTOMATICALLY EFFECTING IMMERSION TREATMENT OF MATERIALS, AN IMMERSION CHAMBER FOR CONTAINING THE MATERIALS AND HAVING A BOTTOM DRAIN PIPE, CLOSED LIQUID STORAGE TANKS AT A LOWER LEVEL THAN SAID CHAMBER, A SUPPLY PIPE CONNECTING EACH TANK BOTTOM WITH SAID DRAIN PIPE, A SOLENOID OPERATED VALVE IN EACH SUPPLY PIPE AT ITS JUNCTURE WITH SAID DRAIN PIPE, A MOTOR DRIVEN MAIN SHAFT HAVING CAMS THEREON, MEANS INCLUDING A SOLENOID OPERATED VALVE ADAPTED FOR SUPPLYING COMPRESSED AIR TO SAID TANKS TO FORCE LIQUID THEREFROM THROUGH THE SUPPLY PIPES AND DRAIN PIPE INTO SAID CHAMBER, A MOTOR DRIVEN AUXILIARY CAM SHAFT WITH CAM MEANS THEREON, MEANS INCLUDING CAM MEANS ON THE MAIN CAM SHAFT ADAPTED TO ESTABLISH CIRCUITS TO ENERGIZE THE AUXILIARY CAM SHAFT MOTOR AND TO DEENERGIZE TEH MAIN CAM SHAFT MOTOR FOR INITIATING THE RETENTION PERIOD FOR A TREATING LIQUID HELD IN THE IMMERSION CHAMBER, MEANS INCLUDING A MANUALLY ADJUSTABLE SWITCH COACTING WITH THE AUXILIARY CAM MEANS FOR TERMINATING THE RETENTION PERIOD AND REENERGIZING THE MAIN CAM SHAFT MOTOR, MEANS INCLUDING A SOLENOID OPERATED VALVE ADAPTED FOR VENTING AIR FROM SAID TANKS, MEANS INCLUDING SOLENOID OPERATED VALVES ADAPTED FOR INTRODUCING WASH WATER INTO SAID CHAMBER AND FOR DRAINING THE WATER, MEANS INCLUDING AN AIR HEATER AND A SOLENOID OPERATED VALVE FOR SUPPLYING DRYING AIR TO SAID CHAMBER, AND SWITCHES OPERATED BY SAID MAIN SHAFT CAMS IN A PREDETERMINED SEQUENCE ADAPTED FOR CONTROLLING SAID SOLENOID OPERATED VALVES.