| 摘要 |
FIELD: agriculture, in particular, equipment for local applying of liquid fertilizers and pesticides into soil. SUBSTANCE: injector has cylindrical case, flexible rectangular locking-discharge valve with hemispherical protrusion and opening for receiving said protrusion. Locking-discharge valve is mounted in rectangular slot formed in face of cylindrical case free end, which is made in the form of converging n-sided pyramid, so that hemispherical protrusion is inserted into discharge opening. Locking-discharge valve is attached at site positioned between discharge opening and apex of pyramid. EFFECT: simplified construction and enhanced reliability in operation. 2 dwg |
