161322 ⎘
Casings; Linings; Walls; Roofs; Making or repairing linings increasing the durability of linings or breaking away linings; Repairing linings by projecting or spraying refractory materials on the lining using a gunning apparatus the projected materials being partly melted, e.g. by exothermic reactions of metals (Al, Si) with oxygen Plasma guniting