refractory brick, in particular sphenoid brick for lining rotary kilns with large diameter or for the manufacture of arches with large radius.

摘要

1,145,366. Furnace bricks. DIDIER. WERKE A.G. 1 July, 1966 [2 July, 1965], No. 29601/66. Heading F4B. [Also in Division E1] Rotary furnace linings or arched roofs for furnaces are constructed of rows of refractory bricks, each of which is cranked about a diagonal across its oppositely disposed largest faces. The brick may be tapered slightly, Figs. 1-3 (not shown), or may be double the normal size and not tapered, Figs. 4-6 (not shown).