Spray nozzle having a rectangular high velocity gas outlet and low velocity liquid outlets

Claim 1

IN A LIQUID SPRAYING APPLIANCE WHEREIN A LIQUID COMPONENT IS CONVEYED BY A PRESSURIZED GAS STREAM: (A) A NOZZLE FOR PRODUCING A SUBSTANTIALLY ELLIPTICAL SPRAY PATTERN ON A SUBSTRATE, SAID NOZZLE HAVING A FACE PORTION LOCATED IN A PLANE AND CONTAINING A GAS PATTERN FORMING MEANS AND LIQUID CHANNELS HAVING LIQUID OUTLETS WHICH OPEN IN THE FACE PORTION OF SAID NOZZLE IN WHICH (I) SAID GAS PATTERN FORMING MEANS COMPRISES A GAS CHANNEL CONTAINING A HIGH VELOCITY GAS OUTLET WHICH OPENS NEAR THE CENTER OF THE FACE OF SAID NOZZLE IN THE FORM OF A JET OPENING OF RELATIVELY SMALL DIMENSION AND WHICH IS IN OPERATIVE RELATION WITH A SOURCE OF PRESSURIZED GAS TO FORM A LOW PRESSURE AREA WHICH DEFINES A SUBSTANTIALLY RECTANGULAR GAS PATTERN OF NARROW CROSS SECTION IN CLOSE PROXIMITY TO SAID FACE PORTION OF SAID NOZZLE, SAID GAS CHANNEL HAVING AN AXIS WHICH LIES ESSENTIALLY PERPENDICULAR TO THE PLANE OF THE FACE OF SAID NOZZLE AND WHICH LIES ESSENTIALLY PARALLEL TO THE LONGITUDINAL AXIS OF SAID NOZZLE; AND (II) SAID LIQUID CHANNELS TERMINATE IN LOW VELOCITY LIQUID OUTLETS OF LARGE DIMENSION RELATIVE TO THE DIMENSION OF SAID HIGH VELOCITY GAS OUTLET WHICH ARE LOCATED ON EACH OF TWO SIDES OF SAID GAS PATTERN FORMING MEANS INTHE FACE PORTION OF SAID NOZZLE, SAID LIQUID CHANNELS BEING IN OPERATIVE RELATION TO A SOURCE OF LIQUID SO AS TO PRODUCE AT LEAST TWO LIQUID STREAMS OF LOW VELOCITY WHICH ARE ASPIRATED INTO SAID GAS PATTERN IN AN AREA OUTSIDE OF SAID NOZZLE BUT WHICH IS CLOSELY ADJACENT TO THE FACE PORTION OF SAID NOZZLE.