| 摘要 |
<p>PURPOSE:To provide a seal body capable of minimizing the oxidation loss of the seal body. CONSTITUTION:A round belt seal body 100 comprises a seal body base body 200 composed of a compression molding of heat-resistant material A comprising expansion graphite, and provided with a through hole 201 at the center, and a partial convex surface part 202, a cylindrical surface part 203 connected to the partial convex surface part 202, and an end surface part 204 at an end part of the cylindrical surface part 203 in an outer surface, and a metal protective body 300 having an outer surface exposed in the cylindrical surface part 203 of the seal body base body 200, and a cylindrical body embedded integrally forming the same plane with the end surface part 204.</p> |
