Patents for H05B 7 - Heating by electric discharge (3,980)
06/1993
06/24/1993WO1993012634A1 A torch device for chemical processes
06/24/1993DE4240473A1 Thread locking compsn. for carbon@ or graphite electrode which is (partly) meltable or curable at temp. - contains a hydrocarbon binder with specified softening point and low concn. of benzopyrene opt. carbon@ or graphite filler and opt. sulphur@, phthalodinitrile, aldol(s) etc.
06/23/1993EP0548042A1 Method of producing metal melts, in particular steel melts
06/23/1993EP0548041A2 Electric furnace arrangement for producing steel
06/23/1993CN2137065Y Zirconium-oxide heater element
06/22/1993US5221349 Vaccum arc vapor deposition device
06/17/1993CA2084138A1 Method of producing metal melts and an electric arc furnace therefor
06/02/1993EP0544033A1 Electric furnace
05/1993
05/27/1993DE4138120A1 Einschmelzaggregat mit ofenwiege Smelting furnace with cradle
05/26/1993EP0543475A2 Method and apparatus for renewing bottom electrodes in an arc furnace
05/26/1993CN1072459A Electric furnace arrangement for producing steel
05/20/1993WO1993010413A1 Melt-in aggregate with furnace cradle
05/20/1993CA2100343A1 Smelting unit with furnace rocking cradle
05/13/1993DE4136823A1 Carbon@ e.g. graphite electrode for arc furnace - comprises 2nd coating of high melting electroconductive material or mixt. on 1st aluminium@ layer, for steel mfr.
05/12/1993EP0541044A2 DC arc furnace
05/12/1993EP0540832A1 Anode for a direct-current arc furnace
05/12/1993CN2133113Y Thin anti-oxidation conduction brasses
05/06/1993DE4235900A1 Arc oven electrode mfr. for series prodn. - using special contact plate and associated operating systems to facilitate changing between carbon and graphite electrodes
05/04/1993US5208788 Discharge circuit, and use thereof in a method and in apparatus for detecting and correcting the positions of electrodes, in particular as used in apparatuses for generating pressure waves
04/1993
04/29/1993DE4135059A1 Continuous voltage controller with magnetically decoupled single transformers - employs thyristors in controlled inverter between additional windings of main transformer and sections of additional transformer
04/28/1993EP0538709A1 Light beam heating system
04/27/1993CA1316972C Apparatus for the thermal treatment of a metallic melt
04/20/1993US5204873 DC electric arc melting apparatus
04/20/1993US5204872 Control system for electric arc furnace
04/14/1993CN1070933A Antioxidant coating for graphite electrode
04/13/1993CA1316201C Electrode seal assembly
04/07/1993EP0536018A1 Wall electrode for metallurgical electric direct current furnace
04/06/1993US5200974 Electrode carrier arm for an electric arc furnace
03/1993
03/31/1993EP0533740A1 A dc arc torch power supply
03/31/1993CN1070535A Process and apparatus for ignition of CVD plasmas
03/30/1993US5199043 Lining for a direct-current electric arc furnace
03/24/1993EP0533151A1 Clamping arm for arc furnace electrode
03/24/1993CN1070302A Complete dc arc furnace equipment
03/18/1993WO1993005626A1 D.c. furnace with a hearth electrode, hearth electrode and electrode block, as well as process for operating said furnace
03/18/1993DE4130397A1 Gleichstromofen mit einer herdelektrode, herdelektrode und elektrodenblock sowie betriebsverfahren fuer diesen ofen Oven-DC furnace with an electrode herd, herd electrode and electrode block and operating procedures for this
03/10/1993EP0530932A2 Metallurgical container for a DC arc installation
03/10/1993EP0530534A1 Lining for a direct-current arc furnace
03/02/1993US5191592 D.c. electric arc furnace with consumable and fixed electrode geometry
02/1993
02/24/1993CN1069331A Direct current arc furnace
02/23/1993US5189682 Method for increasing the efficiency of a direct current electric arc furnace
02/17/1993EP0527363A1 Gas flushing plug for electric arc furnaces and related arc furnace
02/03/1993EP0525404A1 Electrode holder of a contact jaw with electrode lugs
01/1993
01/21/1993WO1993001461A1 Process and equipment for reducing electrode consumption and improvement of other operational parameters in electric arc furnace
01/20/1993CN1068094A High-grade sealing paste in chips
01/13/1993EP0522281A1 CVD plasma igniting procedure and device
01/07/1993EP0521178A1 Light beam heater
01/05/1993US5177763 Furnace bottom structure of direct current electric furnace
12/1992
12/23/1992EP0519319A1 Method of operating a direct current arc furnace
12/22/1992US5173920 Direct-current electric-arc furnace
12/22/1992CA1311787C Method of bottom blowing operation of a steel making electric furnace
12/21/1992CA2071171A1 Direct-current arc furnace
12/16/1992EP0518070A1 Direct current arc furnace facility
12/15/1992CA2070951A1 Direct-current arc furnace plant
12/10/1992WO1992022181A1 Process and device for melting scrap metal in a d.c. arc furnace
12/10/1992DE4118756A1 Verfahren und vorrichtung zum einschmelzen von schrott in einem gleichstromlichtbogenofen Method and apparatus for melting scrap in a DC arc furnace
12/02/1992EP0515975A2 High enthalpy plasma torch
12/02/1992CN1019309B Low solid content, coal tar based imppregnating pitch
11/1992
11/25/1992EP0515249A1 Partial sealing device between the inside and the outside of an arc furnace
11/18/1992CN2122461U D.c arc furnace bottom electrode
11/18/1992CN1019141B Dc electric-arc furnace
11/11/1992EP0512657A2 Device for coupling the current feed to a metallurgical vessel
11/10/1992CA1310050C Plasma arc heating apparatus and method
11/10/1992CA1310048C Self-baking electrode with pressure advancement
11/10/1992CA1310047C Self-baking electrode
11/04/1992EP0511609A1 Power supply cable for arc furnaces
10/1992
10/20/1992CA1309205C Manufacture of a soderberg electrode incorporating a high carbon-contributing phenolic sacrificial binder
10/16/1992WO1992019083A1 Improved control system for electric arc furnace
10/14/1992EP0508429A1 Vacuum arc vapor deposition device
10/13/1992US5155740 Flicker compensating apparatus for DC arc furnace
10/06/1992US5153896 Metallurgical vessel equipped with at least one electrode passing through its wall
10/06/1992US5153895 Nonconsumable, water-cooled electrode for electric metal smelting device
09/1992
09/23/1992EP0504519A1 Optical fiber fusion splicer
09/08/1992US5146469 Filling removable casing that has conductive, radial ribs; supplying direct current to bake
09/08/1992US5145570 Plug to seal recesses for anode rods in anode blocks during calcination process
09/03/1992WO1992015184A1 Method of forming electric arc discharge in a plasma generator and plasma generator
09/01/1992US5143749 Electrodes
08/1992
08/25/1992US5142650 Bottom electrode for a direct current arc furnace
08/19/1992CN2113586U Relay type electrode lift
08/18/1992CA1306514C Process and device for igniting an arc with a conducting plasma channel
08/12/1992EP0498239A1 Method and device for control of an electrode in a DC arc furnace
08/11/1992US5138630 Direct current electric arc furnace
08/11/1992US5138629 Direct current electric arc furnace
08/09/1992CA2060006A1 Process for electrode control of a dc arc furnace, and an electrode control device
07/1992
07/29/1992CN2111609U Electric heating component for graphite in fining furnace
07/28/1992US5134628 Direct-current arc furnace having bottom electrodes with bath agitation electromagnet
07/21/1992US5132984 Segmented electric furnace
07/15/1992EP0494720A2 Arc furnace electrode control
06/1992
06/23/1992US5125003 Bottom electrode cooled sleeve for a metallurgical container
06/17/1992EP0490869A1 Regulating circuit for the impedance regulation of an arc furnace
06/17/1992CN1017085B Electric-thermal smelting furnace
05/1992
05/26/1992US5117439 Loading carbon electrodes on carbonaceous bed into furnace, surrounding with porous pack of carbonaceous particles, graphitizing with electric current, percolating water through porous pack while preventing water contact with electrodes
05/19/1992US5115447 Arc furnace electrode control
05/13/1992EP0484704A1 Low voltage arc discharge and variable magnetic field for heating a substrate
05/12/1992US5113406 High temperature heating device
05/06/1992EP0483405A1 Flicker compensating apparatus for DC arc furnace
04/1992
04/23/1992CA2028212A1 Flicker compensating apparatus for dc arc furnace
04/14/1992US5104432 Passing stream through plasma arc coupling zone; thermal and electrical treatment
04/07/1992US5103458 Electric arc remelting
03/1992
03/24/1992US5099438 Method for on-line monitoring and control of the performance of an electric arc furnace
03/18/1992EP0475008A1 Method and device to control the force applied to the electrode-bearing arms of an electric arc furnace
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