| 摘要 |
<p>The invention concerns the field of packaging and more particularly vacuum packaging of foodstuffs. The inventive lid (1) for a rigid container designed to be vacuumized, to ensure preservation of products and the locking of the lid by pressure differential on the outlet of the container having a rim with a cross-section for receiving the lid, is provided with an annular peripheral zone (2) or recessed collar whereof the groove (3) receives a compressible sealing material; its wall (1) is provided with an embrittled zone (7) next to which is arranged a ring (8) fixed on the lid so that traction on the ring opens the lid at the embrittled zone.</p> |
