摘要 |
An oven in whose wall heat insulating material is used in the form of panels consisting of highly refractory, ceramic fibre material pressed against one another, said strips being fastened with the aid of a refractory adhesive material at right angles to a refractory base plate, said strips being provided with reinforcements whereby the reinforcement is formed by tubes of highly refractory, ceramic material arranged in channels formed by registering holes in consecutive strips. |