US PATENT SUBCLASS 266 / 261
.~ By flame contact heating


Current as of: June, 1999
Click HD for Main Headings
Click for All Classes

Internet Version by PATENTEC © 1999      Terms of Use



266 /   HD   METALLURGICAL APPARATUS

249  DF  MEANS TREATING SOLID METAL {5}
261.~ By flame contact heating


DEFINITION

Classification: 266/261

(under subclass 249) Device wherein the workpiece is juxtaposed with a burner element whereby the burning fuel of said burner is allowed to impinge against and heat said workpiece.

SEE OR SEARCH THIS CLASS, SUBCLASS:

121, for apparatus for contacting a solid with a flame and with a liquid.

SEE OR SEARCH CLASS

148, Metal Treatment, particularly

642, for processes of heat treatment of an iron or iron based alloy with a flame to modify or maintain the internal physical structure (i.e., microstructure) or chemical property of metal.