Patents for B23K 9 - Arc welding or cutting (32,679)
05/1994
05/17/1994US5313046 Welding torch
05/17/1994US5313039 Helium, carbon dioxide, and argon; reduced fume emission
05/17/1994CA2019428C Pulse mig welder for welding thin-walled copper-nickel pipe
05/17/1994CA1329499C Welding robot
05/11/1994EP0596686A1 Stud welding process
05/11/1994DE4237573A1 Measuring device for welding robot
05/10/1994US5310992 Arc welder
05/10/1994US5310982 T-joint welding fixture
05/10/1994US5310211 Hollow upper control arm for vehicle suspension systems
05/10/1994CA2012112C Method and apparatus for forming wire mesh cages
05/10/1994CA1329419C Stud welding apparatus and process
05/07/1994CA2102543A1 Stud welding method
05/05/1994DE4236527A1 Method for welding bolts with an ignition tip to workpieces with the use of the capacitor discharge process - with stored data on bolt parametes interrogated before the start of the welding process, achieves high joint quality
05/05/1994DE4236526A1 Method and appts. for welding bolts with an ignition tip to workpieces - with prior measurement of the tip length and adjustment of the bolt feed rate, achieves constant joint quality
05/04/1994CN2163711Y Full-automatic oxyhydrogen welding or cutting and electric welding device
05/03/1994US5308952 Welding arc stabilizer
05/03/1994US5308409 Encapsulation a core with aluminum, spraying and applying electric arcs
05/03/1994US5307979 Apparatus for carrying out MIG welding on three-dimensional curved surface, and milling apparatus for automatically forming welding grooves
04/1994
04/28/1994DE4313831C1 Arc welding or cutting supply cable connection element - has connecting piece flow pressed onto end piece
04/28/1994DE4236236A1 Extractor for removing welding fumes - with nozzle attached to robot torch or head and hose connected to fan
04/27/1994CN2163020Y Energy-saving and labour's safety protector for electric welder
04/27/1994CN1085837A High power factor complex type phase controlled electricity source for dc arc welding
04/26/1994US5306894 Consumable electrode type D.C. arc welder
04/26/1994US5306893 Weld acoustic monitor
04/26/1994US5305940 Stud welding device
04/20/1994CN2162322Y Light anti-burn hand electric welding machine
04/19/1994US5305183 Portable personal computer with passive backplane having a doublesided staggered connector array
04/19/1994US5304777 Method of connecting a manganese steel part to another carbon steel part and assembly thus obtained
04/19/1994US5304776 System for welding pipes
04/19/1994US5304771 Apparatus for precisely metering powder for welding
04/19/1994CA1328670C Boiler wall tube tool
04/14/1994WO1994007642A1 Process and device for producing a bond between a metal component consisting mainly of iron and a non-ferrous metal component
04/14/1994DE4233818A1 Welding method using pulsed frequency - with reversed polarity phase to ensure good separation of molten drops from electrode
04/13/1994EP0592055A2 A device for hindgas coverage in tube welding
04/13/1994EP0591527A1 Device for moving tool gripper and method of drawing motion path
04/13/1994EP0591400A1 Welding machine having automatic penetration-related control
04/13/1994CN2161411Y Electrode holders
04/13/1994CN1024173C Method and device for corrosion-resistant welding repair of inwall in small bore steel pipe welded joint zone
04/12/1994US5302805 Welding wire pressure sensor assembly
04/12/1994US5302799 Weld analysis and control system
04/12/1994CA1328490C System for low voltage plasma arc cutting
04/06/1994EP0590728A1 Welding torch
04/06/1994CN2160493Y Carbon dioxide gas protection welding machine detector
04/06/1994CN1084793A Controller for tungsten argon arc puslation welding machine
04/05/1994US5300751 Controlling welding conditions to improve corrosion resistance toughness and crack resistance
04/05/1994US5299731 Corrosion resistant welding of stainless steel
04/05/1994CA2006695C Method of submerged arc welding a thick steel plate with large heat input and submerged arc welding flux
03/1994
03/31/1994WO1994006603A1 Spatter preventing method and apparatus for visual arc sensors
03/30/1994CN2160163Y Electric appliance for automobile
03/30/1994CN2159852Y Electric welder
03/30/1994CN2159851Y Electronic adjusting and controlling ac welder
03/30/1994CN2159850Y Module electronic inversing arc welder
03/29/1994US5298710 For weld build-up on a surface of revolution within a bore
03/29/1994CA2106837A1 Welding torch
03/29/1994CA2023906C Electric arc spraying of reactive metals
03/29/1994CA2007650C Auger flight welder
03/26/1994CA2079231A1 Self-contained set for arc welding
03/24/1994DE4305339A1 Arc welding and cutting current source - of inverter type, connectable to single phase and three-phase networks
03/24/1994DE4305243A1 Arc welding and cutting current source - of inverter type, insensitive to a.c. mains voltage fluctuations
03/24/1994DE4241983C1 Schutzgas für das Lichtbogenschweißen von Aluminium Shielding gas for arc welding of aluminum
03/23/1994CN2159280Y Automatic energy saver of AC arc welder
03/22/1994US5296676 Welding of aluminum powder alloy products
03/22/1994US5296675 Welding aluminum based alloys with electric arcs then quenching with trailing gas and shot peening
03/22/1994US5296665 Method of restarting a plasma arc torch using a periodic high frequency-high voltage signal
03/22/1994CA1327998C Rotatable welding fixture and method for metal cladding tubular membrane panels
03/19/1994CA2106425A1 Method of restoring the bore of a turbo-machine rotor
03/17/1994WO1994005458A1 Backing member
03/17/1994DE4230865A1 Reinforced large dia. thin wall tube mfr. - by longitudinal or spiral seam welding simultaneously with stiffening rib welding
03/16/1994CN2158762Y Portable vertical submerged arc welding machine nose
03/16/1994CN2158761Y Safety electricity-economizing controller for AC welding machine
03/10/1994DE4229371A1 Regulating arc in metal melting, welding or plasma process - includes using second order differential of arc current w.r.t. time as regulating parameter
03/09/1994EP0586325A2 Method and apparatus for TIG welding
03/09/1994EP0585779A2 Planetary feeder head
03/09/1994CN2158321Y Main control circuit for arc welding machine
03/08/1994US5293027 Electronic welding current generator for impulse arc welding
03/08/1994US5292264 Earthing stud
03/03/1994DE4228589A1 Pulsed MIG/MAG welding machine control - automatically switches to optimal non-pulsed or pulsed welding mode
03/03/1994DE4228587A1 Weaving head for automatic welding machine - has electromagnetic coils for universal weaving movement of torch nozzle
03/03/1994DE4227455A1 Internal electrostatic coating appts. - for post coating of weld seams esp. of internally coated cans
03/02/1994EP0585068A1 Arc welding machine and plasma cutting machine
03/02/1994EP0584643A1 Welding method and welding robot
03/02/1994CN2157846Y Multi-function thin-plate micro-electric welder
03/02/1994CN1083131A Drum cathode for use in the production of metal foil and a method of producing the same
03/01/1994US5290989 Weld root shield device and method
02/1994
02/23/1994EP0584000A1 Shielding gases for arc welding
02/23/1994EP0524983B1 Autotracking fume extraction exhaust hood
02/23/1994CN2156979Y Animal Head structure for animal shape tricycle
02/23/1994CN1082474A Apparatus and method for controlling the power supply unit and/or auxiliary units of a welding machine with the help of radio-frequency signals
02/23/1994CN1082473A Method for adjusting welding current according to welding speed of arc welding machine
02/22/1994US5288972 Welding gun tip
02/22/1994US5288970 Method of controlling torch height in plasma cutting
02/22/1994US5288963 Actively cooled weld head cassette
02/17/1994WO1994003735A1 Weldable securing component, welding device for welding the securing component and arrangement for securing an assembly component to the weldable securing component
02/17/1994DE4223492A1 Piezoceramic ignition device e.g. for robots and hand-held gas burners for soldering, welding or cutting - has piezo igniter kindled by guide funnel and lever mechanics to conduct current to first electrode
02/16/1994EP0582627A1 Internal diameter (i.d.) welding machine, and rotary drive and feed unit therefor
02/16/1994CN2155980Y Full-closed spiral electric welding plies
02/16/1994CN2155979Y Water cooling electric resistance electric welding machine
02/09/1994CN2155289Y Non-burning hand electric welding tongs
02/09/1994CN2155288Y Electric welding tongs
02/09/1994CN2155287Y 电焊机 Welder