Having means for contacting a solid metalliferous material or metal object with a liquid > With heating means, e.g., flame contact > By means heating selected areas of an object > Patents

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Class Information
Number: 266/124
Name: Metallurgical apparatus > Having means for contacting a solid metalliferous material or metal object with a liquid > With heating means, e.g., flame contact > By means heating selected areas of an object
Description: Device wherein the heating means is specialized to effect heating of only certain zones on the surface of the article to be treated.

Sub-classes under this class:

Class Number	Class Name	Patents
266/125	By means specialized to heat an article having an irregular contour (e.g., cams, gears)	24

Patents under this class:

Patent Number	Title Of Patent	Date Issued
6821363	Procedure for hardening at least one surface of a wall of a component and device for its execution	Nov. 23, 2004
5256217	Multi-surface flame hardening machine and process	Oct. 26, 1993
5018706	Apparatus for inhibiting stress corrosion cracking	May. 28, 1991
4468010	Method and apparatus for quench hardening thin-walled, elongated workpieces	Aug. 28, 1984
4441698	Furnace for the heat treatment of drills	Apr. 10, 1984