| 摘要 |
<p>The invention concerns a sleeve (1) comprising a compressible member (10) arranged at its base, designed to be compressed to mask a foreign body possibly present in the sleeve (1) when said functional member (2) is being installed. The invention is characterized in that said compressible member consists of an internally hollow cap (10) made of deformable material, whereof the internal volume is sealed relative to the outside of the cap (10).</p> |
