(under subclass 104) Apparatus having means in the form of a protecting envelope of nonliquid fluid for preventing soil by precluding the formation of drops or drip accumulation, i.e., by constantly wiping a discharge aperture edge with a gas, to return excess fluid delivered to a point of egress by an air stream or by merely enshrouding the discharging liquid with an envelope of gas.
SEE OR SEARCH THIS CLASS, SUBCLASS:
290+, for apparatus having supplemental gas shaping or shielding jets applied or directed against the sprayed fluid to confine or shape the fluid beyond the egress means to a particular outline.
