Patents for B23K 10 - Welding or cutting by means of a plasma (5,088)
06/1992
06/11/1992WO1992010077A1 Gas plasma generating system
06/09/1992US5120930 Plasma arc torch with improved nozzle shield and step flow
06/06/1992WO1992010325A1 Opening a taphole with a plasma torch
06/06/1992CA2096720A1 Opening of a taphole with a plasma torch
06/04/1992DE4143273A1 Plasma burner for cutting metal workpieces - has 2 channels for cutting gas with different oxygen contents giving high speed feed
06/04/1992DE4038208A1 Processing machine producing openings in hollow sections - has frame at which workpiece clamping unit is arranged and with processing support moving relative to it
06/03/1992EP0496733A4 Improved nozzle for a plasma arc torch.
06/03/1992EP0487573A1 Plasma arc torch with improved nozzle shield and step flow.
06/03/1992CN2106026U Rectifier arc welding, thin-sheet arc welding and air plasma arc cutting three-purpose machine
06/02/1992CA1302517C Arc device with adjustable cathode
04/1992
04/29/1992EP0482216A1 Complex machine tool
04/29/1992CN2102820U Quadratic synchronous compress plasma focusing cutting gun
04/22/1992EP0481958A1 Nozzle shield for a plasma arc torch
04/21/1992US5107092 Process and apparatus for plasma melt cutting under water
04/15/1992EP0480149A2 Method and apparatus for welding and cutting
04/15/1992CN2101553U Portable energy saving plasma cutting machine
04/15/1992CN2101552U Water adjustable compressed internal circulating hydrocooling plasma gun
04/09/1992DE4030541A1 Burner for plasma powder coating device - has central electrode enclosed by plasma jet and carrier gas jet
04/07/1992US5103072 Use in a bath of molten metal
04/03/1992WO1992006223A1 Nickel or cobalt based cermet with dispersed niobium carbide
04/03/1992CA2093238A1 Nickel or cobalt based cermet with dispersed niobium carbide
03/1992
03/19/1992WO1992004133A1 High velocity electric-arc spray apparatus and method of forming materials
03/11/1992EP0474604A2 Apparatus for thermal plasma processing of workpiece surfaces
02/1992
02/26/1992CN2097055U Arc starting arrangement for non-melt electrode welding
02/25/1992US5091625 Plasma arc cutting device having metal deposition removal function and method for removing deposition from nozzle of the plasma arc cutting device
02/04/1992US5086205 Apparatus employing a welding power supply for powering a plasma cutting torch
02/04/1992US5085363 Method of weld repairing of a section of a metallic cylindrical member
01/1992
01/29/1992CN2094414U Multi-torch air plasma cutter
01/23/1992DE4022112A1 Plasmabrenner fuer uebertragenen lichtbogen Plasma torch for over transferred arc
01/22/1992CN2093714U Plasma cutting gun
01/22/1992CN1058126A Plasmaburner for transmitting arc
01/22/1992CN1058087A Dc arc torch power supply
01/21/1992US5083005 Electrode for working plasma torch and corresponding torch
01/15/1992EP0465941A2 Plasma torch with transferred arc
01/12/1992WO1992001360A1 Plasma burner for transferred arc
01/12/1992CA2086821A1 Plazma burner for transferred arc
01/12/1992CA2045844A1 Plasma burner for transferred electric arc
01/08/1992CN2092395U Air plasma cutter being able to generate automatically the arc
01/02/1992DE4020535A1 Thermal cutter esp. for preventing deformation of thin metal sheet - has sheet supported on struts away from solid surface with gaps for passage of gases and particles
12/1991
12/27/1991WO1992000658A1 Plasma torch
12/24/1991US5074802 Pneumatic-electric quick disconnect connector for a plasma arc torch
12/16/1991WO1991020176A1 A dc arc torch power supply
12/16/1991CA2085594A1 Dc arc torch power supply
12/11/1991EP0460213A1 Method and apparatus for plasma cutting
12/03/1991US5070228 Method for plasma spray joining active metal substrates
12/03/1991US5070227 Proceses and apparatus for reducing electrode wear in a plasma arc torch
11/1991
11/28/1991WO1991017846A1 Composite machine tool
10/1991
10/31/1991WO1991016170A1 Standoff control method and apparatus for plasma cutting machine
10/31/1991WO1991016169A1 Method of controlling torch height in plasma cutting
10/30/1991EP0454073A1 Method of strengthening aluminium castings in the specified local part
10/25/1991WO1991016166A1 Swirl ring and flow control process for a plasma arc torch
10/25/1991WO1991016165A1 Improved process and apparatus for reducing electrode wear in a plasma arc torch
10/25/1991WO1991016164A1 Process and apparatus for reducing electrode wear in a plasma arc torch
10/25/1991CA2081459A1 Swirl ring and flow control process for a plasma arc torch
10/25/1991CA2081458A1 Process and apparatus for reducing electrode wear in a plasma arc torch
10/25/1991CA2081457A1 Process and apparatus for reducing electrode wear in a plasma arc torch
10/23/1991EP0452494A1 Transferred plasma-arc torch
10/16/1991EP0436576A4 Electric arc generating device
10/09/1991CN2086180U Improved circulation cool electrode plasma cutting blowpipe
10/02/1991EP0449467A1 Apparatus employing a welding power supply for powering a plasma cutting torch
10/02/1991CN1014126B Plasma cutting-torch
10/01/1991US5053600 Slag chute system
09/1991
09/27/1991CA2038794A1 Plasma cutting torch power supply
09/25/1991CN2085279U Water cooler for electrode of air plasma cutting machine
09/18/1991CN1054698A Plasma arc starting process
09/11/1991EP0445818A1 Method of modifying surface qualities of metallic articles and apparatus therefor
09/11/1991CN1054387A Plasma arc torch having extended nozzle
09/04/1991EP0444346A2 Plasma arc torch having extended nozzle
09/04/1991EP0444344A2 Plasma arc starting process
09/03/1991US5045667 Manual keyhole plasma arc welding system
08/1991
08/27/1991US5043554 Plasma-arc cutting apparatus having means for deflecting plasma arc
08/22/1991DE4005002A1 Processing contaminated metal scrap - esp. transformers contg. PCB coolants
07/1991
07/31/1991CN1053380A Electrode for plasma arc torch
07/30/1991US5036176 Plasma arc cutter and method of controlling the same
07/25/1991WO1991010531A1 Method for determining location of a sheet edge
07/24/1991EP0437915A2 Electrode for plasma ARC torch
07/17/1991EP0436576A1 Electric arc generating device.
07/10/1991EP0436021A1 Plasma-arc cutting machine and a method of controlling the same
07/03/1991CN1052624A Double sharp magnetic field recompressing plasma arc cutting
06/1991
06/25/1991US5026966 Bath or shower
06/11/1991US5023425 Alloy with high thermoconductivity, oxidation resistance, melting point and work function
06/05/1991EP0429900A2 Method for manufacturing hollow valves of piston motors
06/05/1991EP0429671A1 Device for applying dross adhesion preventive for plasma cutting
06/04/1991US5021629 Electric plasma arc powder welded slide layer for rotary fluid pump vane
05/1991
05/28/1991CA1284522C Plasma arc torch having supplemental electrode cooling mechanisms
05/28/1991CA1284521C Hood for arc torch, and cutting torch thus equipped
05/23/1991DE4006167C1 Steel pipes mfr. - by forming strip into slit tube and welding tube with sides of slit pressed together
05/21/1991US5017752 Plasma arc torch starting process having separated generated flows of non-oxidizing and oxidizing gas
05/15/1991EP0427592A1 Plasma torch with short-circuit arc starting
05/15/1991EP0427591A1 Plasma torch with non-cooled plasma gas injection
05/15/1991EP0427590A1 Plasma torch with electromagnetic coil for rotating the arc
05/15/1991EP0427194A2 Multiple torch type plasma generation device and method of generating plasma using the same
05/15/1991CN1051322A Plasma arc cutting torch having extended lower nozzle member
05/08/1991EP0426289A2 Plasma ARC cutting torch having extended lower nozzle member
05/07/1991US5013885 Plasma arc torch having extended nozzle of substantially hourglass
04/1991
04/24/1991EP0423242A1 Apparatus for machining by the means of a plasma beam a workpiece made of a material of high softening or melting point, especially quartz, glass or a metal
04/21/1991WO1991005629A1 Improved nozzle for a plasma arc torch
04/17/1991EP0423069A2 Cutting head for use in a non-contact cutting process
04/16/1991US5008511 Plasma torch with axial reactant feed
04/10/1991EP0391984A4 Apparatus and process for cooling a plasma arc electrode
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