摘要 |
<p>The arrangement has first wall portions (18, 19) contiguously superimposed in an attachment point and second wall portions (24, 25) superposed and adjacent to the first wall portions. A space (27) is defined between a boss (31) of one of the second wall portions and a hollow part (32) of the other second wall portion, in which the boss is engaged. The hollow part contains viscous sealing material (46) i.e. adhesive, for filling the space when the boss is engaged in the hollow part after attachment to one of the first wall portions prior to attachment to the other first wall portion.</p> |