| 摘要 |
<p>The airtight sleeve (100) has annular sealing elements (10,20) with a radially extending separating slot. One of the fixing flaps (31,41) is movably arranged on the sealing element so as to partially cover the separating slot, when the sleeve assembled. An adhesive layer is provided on facing side of the fixing flap. The adhesive layer is covered by a taking off film (32). The sealing effect is made of resilient element.</p> |
