Male-female electrode joint

Details Male-female electrode joint Male-female electrode joint

2007-11-27

2007-11-27

Van, Quang T. (Department: 3742)

Industrial electric heating furnaces

Arc furnace device

Electrode

C373S088000, C373S089000, C373S092000

Reexamination Certificate

active

11324749

ABSTRACT:
A graphite electrode joint, where the male tang has a tang factor, defined as the ratio of male tang length to electrode diameter, of at least about 0.60.

REFERENCES:
patent: 2527294 (1950-10-01), Bailey
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patent: 4168392 (1979-09-01), Prenn
patent: 4290709 (1981-09-01), Seldin et al.
patent: 4629280 (1986-12-01), Semmler et al.
patent: 7103083 (2006-09-01), Smith et al.
Joo and Lewallen, “Unitrode Joints for Arc Furnace Electrodes,” 3rdArc Furnace Meeting, 1981.
Moncrief and Salomon, “Electrode Properties/Specification—Their Real Value”, 8thPolish Electrode Symposium, 1984 (abstracts only).
Treugut and LeFrank, “Profiling and Loading Capacity of the Nipple-Case-Union Graphite Electrodes; Theoretical Considerations and Application Technological Study in an Electric Steel Furnace,” Fachber.Hutterprax.Metall., 19:42-47 (No. 1, 1981) (abstract only).
National Electrical Manufacturers Association (NEMA) Standards Publication CG Jan. 2001, Manufactured Graphite/Carbon Electrodes (2002).
International Electrotechnical Commission (IEC), International Standard, Third Edition, May 1997.
Japan Standards Association (JSA), Japanese Industrial Standard JIS R 7201: 1997, Cylindrical Machined Graphite Electrodes (1998).
Publication No. JP10321364, Dec. 4, 1998, by Tokai Carbon KK.

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