| 摘要 |
<p>The invention relates to a mould provided with a central column, which is meant to vulcanize silicone rubber gaskets to be used in the hydraulic cylinder pistons. According to the invention, the mould comprises a circular upper plate () which contains a part of the profile of the gasket () and a tapered guiding and aligning bore, an intermediate plate () which contains the external profile of the gasket () having the diameter () and the height (), a channel () collecting the excess material and a lower plate () which contains the profile of the guiding column corresponding to the plates (), the internal profile of the gasket () having a diameter () and the collecting channel ().</p> |
