| 摘要 |
A sealing assembly (S) for a container (C) with an opening including a sheet (F) welded to the edge of the opening and consisting of at least three layers. The layers comprise a weld layer (1) applied and welded to the edge of the opening along a bead (3), an outer barrier layer (2) and an intermediate adhesive layer (3). The weld between the bead (4) of the weld layer (1) and the edge of the opening has a tear resistance higher than the adhesive force between the weld layer (1) and the adhesive layer. After opening for the first time, the weld bead (4) remains in place along the edge and is separated from the weld layer (1) and the adhesive layer (3) which is thus exposed in an area (7) and enables the container (C) to be resealed by reapplying the layer onto the bead (4). Also claimed are: (i) a container equipped with the claimed sealing assembly; and (ii) a process for the manufacture of the claimed sealing assembly comprising welding the sheet (F) to the edge of the opening along a bead (4). |
