| 摘要 |
<p>The present invention relates to a device at a spraying nozzle (2). The spraying nozzle (2) is arranged to disperse a compressed fluid and is arranged at the external, free end of a tube (1) and comprises a disc means covering the opening of the tube channel. This is done by a flexible material with a slot (2b) extending diametrically to it, which slot is arranged to open under the effect of the compressed fluid. Characteristic for the invention is that said disc means consists of a diaphragm (2a) with a thickness in the order 200 - 500 νm.</p> |
