| 摘要 |
<p>The invention relates to a device of the forcing pipe type, for spraying water or other substances employed, e.g., for fire extinguishing purposes. According to the invention, the liquid spraying device comprises a body (1) having the shape of a rotation ellipsoid, provided at one end with an externally threaded boss, whereon a connection piece (3) is mounted and wherein an orifice is cut, so that the liquid intake occurs tangentially, while the liquid upset occurs axially, at the other end of the body (1), through a final convergent nozzle (2).</p> |
