Whipping apparatus

Claim 1

A WHIPPING APPARATUS COMPRISING A PRESSURE VESSEL FOR HOLDING A WHIPPABLE LIQUID, SAID VESSEL INCLUDING A PRESSURE TANK AND A COVER REMOVABLY ATTACHED THERETO, MEANS FOR APPLYING GAS PRESSURE TO THE VESSEL ABOVE THE LIQUID, AN EXPANSION VALVE ON SAID COVER COMPRISING A BODY HAVING A BORE EXTENDING THROUGH THE COVER PROVIDED WITH A GAS INLET PORT AT ONE END THEREOF IN COMMUNICATION WITH THE INTERIOR OF THE VESSEL ABOVE THE LIQUID LEVEL, A LIQUID INLET PORT IN COMMUNICATION WITH THE INTERIOR OF THE VESSEL AT A LOW POINT THEREIN, AN OUTLET PORT FROM THE BORE REMOTE FROM THE INLET PORTS AND DISPOSED OUTSIDE THE VESSEL, AND A NEEDLE VALVE EXTENDING LONGITUDINALLY OF THE BORE OPERABLE FROM OUTSIDE THE VESSEL TO CLOSE AND TO ADJUSTABLY CONTROL THE FLOW OF GAS THROUGH THE GAS INLET PORT, A SHIPPING TUBE DISPOSED OUTSIDE THE VESSEL IN COMMUNICATAION WITH SAID OUTLET PORT, A MULTIPLICITY OF BALLS SNUGLY PACKED WITHIN SAID TUBE TO FORM LABYRINTH FOR THE PASSAGE OF THE COMBINED STREAM OF LIQUID AND GAS THERETHROUGH TO EFFECT INTIMATE MIXING THEREOF AND PRODUCE A WHIPPED PRODUCT, AN INSULATED CABINET HAVING A COVER, BRACKET MEANS IN THE CABINET FOR SUPPORTING THE PRESSURE VESSEL IN UPRIGHT POSITION, A REFRIGERATION UNIT CARRIED BY THE CABINET HAVING COOLING COILS DISPOSED WITHIN THE CABINET IN SEPACED RELATION TO THE PRESSURE VESSEL AND A COOLING MEDIUM DISPOSED WITHIN THE CABINET ABOUT THE PRESSURE VESSEL AND WHIPPING TUBE FOR MAINTAINING THE CONTENTS IN REFRIGERATED CONDITION, THE SIDE WALLS OF THE CABINET AND CABINET COVER HAVING SLOTS THEREIN FOR THE PASSAGE OF THE EXPANSION VALVE AND WHIPPING TUBE TO ENABLE THE PRESSURE VESSEL, EXPANSION VALVE AND WHIPPING TUBE TO BE LIFTED FROM THE CABINET AS A UNIT.