US PATENT SUBCLASS 266 / 123
.~.~ By heating means adapted to be inserted into a hollow object

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  DF  .~ With heating means, e.g., flame contact {6}
123.~.~ By heating means adapted to be inserted into a hollow object

DEFINITION

Classification: 266/123

(under subclass 121) Device wherein the heating means is configured to pass into or through a cavity or passage formed

in the article to be treated.

SEE OR SEARCH CLASS

134, Cleaning and Liquid Contact With Solids,

166+, for liquid contact of a solid workpiece having hollows or passages.

219, Electric Heating,

59.1+, for electric-heating means specialized to heat metallic workpieces of cylindrical configuration.