MULTIHOLE FEEDER FOR FORMING MINERAL FIBER FROM ROCKS Russian patent published in 2003 - IPC

FIELD: mineral fiber production. SUBSTANCE: multihole feeder for continuous manufacture of mineral fiber, which can be also used when manufacturing mineral fibers through high-temperature processing of rocks, comprises casing with orifice plate enclosed in its lower part, mineral melt-supply pipe in its lower part, and heating system. The latter includes power cables connected to end sides of casing and disposed along lateral outer sides of casing and two electric light bulbs capable of creating heat flow with power constituting 20-30% power supplied on current contact jaws. EFFECT: prolonged manufacture time without rupture of mineral fibers. 10 cl, 1 dwg