DRIPPER Russian patent published in 2003 - IPC

FIELD: agricultural amelioration. SUBSTANCE: dripper has collapsible chamber with union and injector made in the form of rod with rigidity ribs converging to rod sharpened part. Chamber is positioned in upper part of injector and is provided with water dosing device made in the form of hollow spherical member. Dripper is further provided with water-permeable pin manufactured of porous body of round, triangular, hexagonal or square section. Pin is positioned in rod cavity. Lower part of rod is closed with stopper having sharpened end. Water passages are formed between rigidity ribs and communicated with rod cavity. Pins are made replaceable. Dripper of such construction may be used for irrigating vegetable fields, vineyards, gardens and like plantations. EFFECT: increased service life and enhanced reliability in operation. 3 cl, 5 dwg