| 摘要 |
<p>The invention concerns a safety sealing ring (1) designed to be mounted in a pressure cooker lid to ensure tightness between the lid and the vat. The invention is characterised in that it comprises at least an external slot (25) at its periphery and relative fixing means between the sealing ring (1) and the lid for indexing the rotation of the sealing ring (1) with that of the lid. The invention is applicable to pressure cooker sealing rings.</p> |
