| 摘要 |
<p>Valve for liquid product sprayers comprising a pump provided with a chamber (19) for sealing an opening located at one end of the chamber, said valve being of the type comprising a rigid valve carrier (2') for holding in place a flexible seal (3') characterized in that the valve carrier (2') comprises a protrusion (23) contacting a part of the seal (3') so as to apply contact castellations (32) of the seal (3') against first annular surface (1c) surrounding the opening (10), and to provide elastic leakproof contact on the periphery (34) of the seal (3') on a second annular surface (1b) surrounding the first annular surface (1c).</p> |
