| 摘要 |
PROBLEM TO BE SOLVED: To provide a refractory product covered with a metal case, in which production of a gap between a refractory body and a metal case is prevented in the whole temperature region from ordinary temperature to hot temperature, and reduction in back pressure due to by gas leak is not caused. SOLUTION: The refractory product covered with a metal case is characterized in that, in the refractory product obtained by joining a refractory body and a metal case fitted to the outer face thereof via refractory mortar, the metal case is subjected to forming, and is subjected to heat treatment at≥100°C. COPYRIGHT: (C)2012,JPO&INPIT |
