(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.
