Patents
Sitemap › B23 - Machine tools; Metal-working not otherwise provided for › B23K - Soldering or unsoldering; Welding; Cladding or plating by soldering or welding; Cutting by applying heat locally, e.g. flame cutting; Working by laser beam › B23K 9 - Arc welding or cutting
Patents for B23K 9 - Arc welding or cutting (32,679)
11/1990
11/17/1990CA2017034A1 Modified mig welding nozzle for stud welder
11/15/1990DE3915286A1 Wire insulation stripping and cutting unit - has insulation gripped, heated and removed and wire cut by electrodes which fuse wire end strands in welding plasma
11/14/1990CN2065532U Contravariant portable dc electric welder
11/13/1990US4970371 Apparatus and method for twisting weld wire
11/13/1990US4969582 Apparatus for feeding an elongated fastener to a fastening tool, especially for feeding a stud in a stud welder
11/13/1990CA1276245C Method and apparatus for controlling root pass weld penetration in openbutt joints
11/08/1990DE4013882A1 Butt welding thin sheets together
11/08/1990DE3927091C1 Handle casing for cutting or welding torch - has casing in which switch housing and an opening in the end face for insertion of torch body with connecting piece
11/08/1990DE3914992A1 Welding and gas protection unit for metal braided ribbed tubing - has hollow conical body, with axial supply pipe for protective gas, inserted in tube end and sealed by ring seal against inner tube wall
11/07/1990EP0396498A1 Procedure for the connection of flat bands with a thickness of 0,2 to 1,5 mm
11/07/1990EP0396126A2 Power supply device
11/07/1990CN1046693A Plasma-arc welding technique using recompression of dual-angle magnetic field
11/06/1990US4969108 Vision seam tracking method and apparatus for a manipulator
11/06/1990CA1275787C Method for repairing a steam turbine or generator rotor
10/1990
10/31/1990EP0395421A1 Feed device of welding bolt
10/31/1990CN2064692U Rotary dc electric welder commutator turning device
10/24/1990CN2064280U All direction argon arc welding gun
10/24/1990CN1046305A Electrode holders without burning hand
10/24/1990CN1046304A Quick releasable ground and rod clamp for welding
10/23/1990US4965431 Sweep welding method and apparatus therefor
10/20/1990WO1990013001A1 Optical distance sensor
10/20/1990CA2032416A1 Optical distance sensor
10/18/1990WO1990011866A1 Apparatus for quick disconnect of an arc welder torch
10/18/1990WO1990011865A1 Plasma arc transfer controller
10/18/1990DE3912534A1 Petrol cooler constructed from two coaxial tubes - incorporates copper inner tube and stainless steel outer tube
10/18/1990DE3911380A1 Verfahren und vorrichtung zur zufuehrung eines teils zu einem verbindungspunkt A method and device for feeding a portion to a connection point
10/17/1990EP0392961A1 Seam tracking between mating parts
10/17/1990EP0391984A1 Apparatus and process for cooling a plasma arc electrode.
10/16/1990US4963715 Variable polarity power supply for welding
10/16/1990US4962586 Method of making a high temperature - low temperature rotor for turbines
10/16/1990CA1275307C Anti-arcblowing device in plasma torch
10/11/1990DE3911027A1 Method for connecting terminals to varnish-insulated wires
10/10/1990EP0391085A2 Device for changing and clamping tools
10/10/1990EP0391007A1 Intermediate member for connecting a part made from manganese steel to a part made from carbon steel, process for connecting these materials using this intermediate member and assembly obtained by this process
10/10/1990EP0390998A1 Method and apparatus for low voltage plasma arc cutting
10/10/1990CN2063651U Automatic light variable liquid crystal light valve goggles
10/10/1990CN2063458U Full-position stud welding gun device
10/05/1990CA2012456A1 Fluid cylinder powered tool
10/04/1990WO1990011642A1 A switching power supply
10/04/1990CA2050687A1 Plasma arc transfer controller
10/03/1990CN2063062U Universal welding gun with long integrated pipe
10/03/1990CN2063061U Electric welder without power transformer
10/03/1990CN2063060U Semi-auto energy-saving safety device for electric welder
10/02/1990US4960974 Method of assembling a vehicle body panel member
09/1990
09/27/1990DE3909268A1 Extraction device
09/27/1990DE3909256A1 Welding apparatus
09/26/1990EP0316333B1 Weld joint
09/26/1990CN1009753B Weld joint
09/26/1990CN1009714B Method and apparatus for covering endless thin-wall metalic tape
09/26/1990CN1009713B Torch for welding
09/25/1990US4959520 Detection means for an electric arc torch nozzle
09/25/1990US4959518 Method of welding stainless steel studs
09/25/1990US4958431 More creep resistant turbine rotor, and procedures for repair welding of low alloy ferrous turbine components
09/19/1990EP0388376A1 Welding apparatus of the tungsten inert gas (t.i.g.) type with digital control of the welding cycle
09/19/1990EP0211844B1 Adaptive welding apparatus having fill control correction for curvilinear weld grooves
09/19/1990CN2062268U Contravariant device for transistor arc welding
09/19/1990CN2062267U Sheet arc welding machine
09/19/1990CN1045364A Portable emergency electric welder
09/19/1990CN1009625B Constant power microbeam plasma arc welder
09/19/1990CN1009624B Contact type plasma cutting torch
09/12/1990EP0387223A1 Method for pulsed arc welding
09/12/1990EP0387221A1 Contacting mouthpiece
09/12/1990EP0386791A2 Apparatus for and method of controlling positioning of movable member
09/12/1990EP0386195A1 Wire gun.
09/12/1990CN1045242A Self smelting electric arc welding method for matrix of metallic capillary tubes
09/11/1990USRE33330 Output control of short circuit welding power source
09/11/1990US4956541 Current nozzle for MIG- and MAG-welding burner
09/11/1990US4956540 Arc spot welding apparatus
09/11/1990US4956537 Method for hindgas coverage in arc welding and hindgas device for carrying-out the method
09/07/1990WO1990009859A1 Method and apparatus for multi-layer buildup welding
09/07/1990WO1990009858A1 Pulse welding apparatus
09/07/1990WO1990009857A1 Pulse welding apparatus
09/07/1990WO1990009856A1 Pulse welding apparatus
09/05/1990CN2061498U Soldering machine for copper pipe
09/05/1990CN1009471B Method of manufacturing control wheel for high-pressure rotor of steam turbine
09/04/1990US4954690 Modular welding gun
09/04/1990US4954689 Welding unit
09/04/1990US4954688 Plasma arc cutting torch having extended lower nozzle member
08/1990
08/29/1990EP0383750A1 Arc welding method and longitudinal arc welding means
08/29/1990CN2061105U Triphase generation electric welder
08/29/1990CN1044912A Method and apparatus for torch head to track weld line automatically
08/28/1990US4952774 Mobil power source for producing welding current for automatic, semi-automatic and manual welding
08/28/1990US4952773 Automatic arc-welding machine operating with rod electrodes and a preferred application thereof
08/28/1990US4952769 Automatic welding apparatus for weld build-up and method of achieving weld build-up
08/28/1990CA1273408A1 Method and device for controlling a short circuiting type welding system
08/23/1990WO1990009540A1 Welding gun connector
08/22/1990CN2060711U D.c. impulse tungar argon arc-plasma arc welding machine
08/22/1990CN1044778A Dc arc welding machine
08/22/1990CN1009257B Method for depositing wear surface material on metal workpiece
08/21/1990US4951218 Positional information detecting method in arc welding
08/21/1990US4950867 Welding gun connector
08/21/1990US4950864 DC arc weld starter
08/21/1990US4950863 Apparatus for air arc gouging
08/16/1990EP0382110A2 Output control circuit for reversers, and high-frequency power supply for the DC supply of a welding station
08/15/1990CN1009177B Apparatus to be used welding pipes together
08/15/1990CN1009176B Method and apparatus for detecting and tracking fillet welding during gas shielded arc welding
08/15/1990CN1009175B Melting electrodes type of arc welding machine with pulsed current
08/14/1990US4948942 Tungsten inert gas welding torch
08/14/1990US4948938 Process for fastening a pipe by welding to a thick wall member such as a pipe-carrying shell of a nuclear reactor vessel
08/14/1990US4948936 Flux cored arc welding process
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