Power feeding device for liquid or semiliquid material

Claim 1

IN A SELF-CONTAINED AND PARTIALLY SUBMERSIBLE FLUID PRESSURED ACTIVATED FEEDING AND DISPENSING APPARATUS FOR THE PRESSURE FLUID PUMPING AND DISPENSING OF LIQUID AND SEMI-LIQUID MATERIALS WHEN SAID APPARATUS IS PARTIALLY IMMERSED IN SAID MATERIAL IN A CONTAINER THEREFOR, THE COMBINATION WHICH COMPRISES A CLOSED FEEDING RECEPTACLE FOR IMMERSION IN SAID LIQUID MATERIAL AND DISPOSED AT ONE END OF SAID APPARATUS, PRESSURE FLUID SUPPLY AND CONTROL MEANS REMOTELY DISPOSED AT THE OTHER END OF SAID APPARATUS, SAID RECEPTACLE HAVING A MATERIAL INLET THEREIN FOR ADMITTING SAID LIQUID MATERIAL THEREINTO FOR PRESSURE FEEDING THEREFROM UNDER THE ACTION OF A PRESSURE FLUID DIFFERENT FROM SAID MATERIAL TO BE FED, A REMOTELY CONTROLLED VALVE FOR SAID MATERIAL INLET, MEANS FOR INTRODUCING SAID PRESSURE FLUID INTO SAID RECEPTACLE, MEANS INCLUDING AN OUTLET CONDUIT FROM SAID RECEPTACLE FOR THE PRESSURIZED FEEDING OF SAID MATERIAL FROM SAID RECEPTACLE TO A REMOTE DISPENSING HEAD UNDER THE ACTION OF SAID PRESSURE FLUID IN SAID RECEPTACLE, ADDITIONAL MEANS FOR SEPARATELY SUPPLYING SAID PRESSURE FLUID DIRECTLY TO SAID DISPENSING HEAD DURING DISPENSING SAID MATERIAL THEREAT, A CONTROL VALVE AT SAID DISPENSING HEAD FOR CONTROLLING SAID PRESSURE FLUID SUPPLIED THERETO, AND MEANS IN SAID PRESSURE FLUID SUPPLY AND CONTROL MEANS RESPONSIVE TO PRESSURE OF SAID PRESSURE FLUID AT SAID DISPENSING HEAD FOR CONTROLLING SAID INLET VALVE IN SAID MATERIAL RECEPTACLE AND SAID SUPPLY OF PRESSURE FLUID THERETO.