| 摘要 |
A drip irrigation hose includes a plurality of emitter elements (2) secured to a tube (2) at longitudinally-spaced locations to define, with an inner surface of the tube, a plurality of labyrinths (45, 46) each having an inlet (47) in communication with the interior of the tube, and an outlet in communication with a tube outlet (48) for discharging water from the tube outlet (48) at a slow rate. The labyrinths (45, 46) are defined by a continuous strip (5) of a relatively inelastic material bonded to the inner surface of the tube (2), and a formation of a relatively elastic material shaped to define at least the tips of a group of teeth for each of the emitter elements producing, with the inner surface of the tube a turbulent flow passageway at each of the longitudinally spaced locations along the length of the tube. |
