US PATENT SUBCLASS 75 / 484
.~.~.~.~ Moving furnace or hearth (e.g., moving belt, etc.)

Current as of: June, 1999
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75 /   HD   SPECIALIZED METALLURGICAL PROCESSES, COMPOSITIONS FOR USE THEREIN, CONSOLIDATED METAL POWDER COMPOSITIONS, AND LOOSE METAL PARTICULATE MIXTURES

330  DF  PROCESSES {9}
392  DF  .~ Producing or treating free metal {10}
414  DF  .~.~ At 300 degrees C or greater (e.g., pyrometallurgy, etc.) {7}
433  DF  .~.~.~ Iron(Fe) {18}
484.~.~.~.~ Moving furnace or hearth (e.g., moving belt, etc.) {1}
485  DF  .~.~.~.~.~> Reduction in molten state

DEFINITION

Classification: 75/484

Moving furnace or hearth (e.g., moving belt, etc.):

(under subclass 433) Process which employs a furnace wherein the part containing or supporting the reducible Iron (Fe) compound moves during the reduction. The movement need not be continuous, but may be intermittent only.

(1) Note. The furnace or hearth must move during the reduction. Movement merely to charge or discharge the contents is not enough for this subclass and is placed below on another basis.

(2) Note. If the part of the furnace which supports the reducible Iron (Fe) compound moves during the reduction, classification is proper thereunder even if the heating apparatus is stationary (e.g., charge on moving belt in furnace, etc.).

SEE OR SEARCH THIS CLASS, SUBCLASS:

473, for batch reduction system wherein closed containers of reductant and reducible Iron compound are pushed through a kiln.