US PATENT SUBCLASS 266 / 121
.~ With heating means, e.g., flame contact


Current as of: June, 1999
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266 /   HD   METALLURGICAL APPARATUS

114  DF  HAVING MEANS FOR CONTACTING A SOLID METALLIFEROUS MATERIAL OR METAL OBJECT WITH A LIQUID {5}
121.~ With heating means, e.g., flame contact {6}
122  DF  .~.~> By means treating metalliferous materials, e.g., ores
123  DF  .~.~> By heating means adapted to be inserted into a hollow object
124  DF  .~.~> By means heating selected areas of an object {1}
127  DF  .~.~> Unitized heating and fluid contact means
128  DF  .~.~> By electric heating means {1}
130  DF  .~.~> Having bath for contacting the work with liquid {3}


DEFINITION

Classification: 266/121

(under subclass 114) Device further including means to raise the temperature of the work prior to, during or after the work has been contacted with the liquid.

SEE OR SEARCH THIS CLASS, SUBCLASS:

261, for heating a solid metal object by flame contact heating.

SEE OR SEARCH CLASS

148, Metal Treatment, appropriate subclasses for processes of heating or cooling of metal to modify or maintain the internal physical structure (i.e., microstructure) or chemical property of the metal.

219, Electric Heating,

50+, for electric heaters specialized to heat metals.