| 摘要 |
<p>A resin layer (3) is provided on the outside of a sealing material (23) so as to cover the sealing material (23), and the resin layer (3) and the sealing material (23) are bonded to each other in an integrated manner. In this manner, the sealing material (23) is supported from the outside by the resin layer (3) to increase the sealing strength of the sealing material (23).</p> |
