Patents for B23K 9 - Arc welding or cutting (32,679)
11/1993
11/21/1993CA2096477A1 Process for controlling the welding current as a function of welding speed in arc welding equipment
11/18/1993DE4215634A1 Welding head suction device - has independently movable suction cable, acting also as holding grip
11/17/1993CN2146332Y Anti-shock enclosed welding holder
11/17/1993CN1078418A Rotary switch and current-adjusting device for welding electrode holder
11/16/1993US5262608 Underwater torch cutting and welding apparatus
11/11/1993DE4242269C1 Hose fitting for joining protective hose to welding equipment - with inner and outer rings with surfaces in contact with the hose diverging towards the hose end
11/11/1993DE4215322A1 Process quality control of electric bolt welding installation - incorporating personal computer for signal processing and implementation
11/11/1993DE4214492A1 Welded pipe joint with internal welding sleeve
11/11/1993DE4211243A1 Electric arc welding process and equipment - has guided non-consumable electrode connected to welding current and second welding current terminal connected to workpiece and/or guided electrode via switching circuit
11/10/1993EP0569130A1 Safety appliance for electrosurgery or welding
11/10/1993EP0569093A1 Pipe connection and weld support ring for such a connection
11/09/1993US5260546 Gun for gas metal arc welding
11/09/1993US5260545 Welding power supply
11/09/1993US5260540 Method of improving qualities of materials and wires used therefor
11/09/1993CA1324189C Apparatus and process for cooling a plasma arc electrode
11/09/1993CA1324062C Pipe line welding improvement
11/04/1993DE4313989A1 Assembly method for two-part vehicle wheel - has weld seam between rim and disc surfaces held in flat contact with each other
11/03/1993CN2145087Y Electric-arc welding device
11/02/1993US5258599 Convertible arc welding system
11/02/1993US5257732 Laminar barrier inert fluid shield apparatus
10/1993
10/27/1993EP0520020B1 A method of producing a protective gas and a gas mixture therefor
10/27/1993CN2144554Y Electric welding tongs with internal clamping head
10/27/1993CN2144553Y Controller for pulse tungsten argon arc welding machine
10/26/1993US5256856 Using a pure aluminum wire and an aluminum alloy wire so that the composition is equivalent to that of the base; preventing the formation of black powder
10/26/1993US5256847 TIG shielded atmosphere welding system
10/26/1993CA2024861C Plasma arc cutting torch having extended lower nozzle member
10/20/1993EP0566212A1 Welding device
10/20/1993CN2144342Y Energy-saving type dual-purpose machine for electric welding and butt welding
10/19/1993US5254835 Robotic welder for nuclear boiling water reactors
10/19/1993US5253978 Turbine blade repair
10/19/1993CA1323400C Arc spot welding apparatus
10/14/1993WO1993019883A1 Stand-off control apparatus for plasma processing machines
10/14/1993WO1993019882A1 Welding assembly for feeding powdered filler material into a torch
10/13/1993EP0564838A1 Method for contact-free data determination of a thermal machine-tool
10/13/1993EP0314791B1 Electrode structure of a non-transfer-type plasma torch
10/13/1993CN2143540Y Rotary scanning welding torch driven by hollow shaft motor
10/13/1993CN1077152A High-toughness submerged-arc welding wire (of low carbon content, high manganese and silicon content and minute titanium and aluminuim content)
10/12/1993US5252802 Apparatus for welding a stud to a workpiece
10/07/1993DE4211223A1 Arc-welding of dental prosthesis - with arc formation and position controlled by alternatively connecting positive pole of supply to work-piece and consumable electrode
10/06/1993EP0564151A2 Drum cathode for use in the production of metal foils and a method of producing the same
10/06/1993EP0563955A1 Method of manufacturing a continuous heater for dispenser for hot beverages
10/06/1993EP0563736A1 Process and apparatus for the continuous surface treatment of wire rods with metallic surface
10/06/1993EP0563735A1 Corrosion resistant composite wire and process for its manufacture
10/06/1993CN2143157Y No heating safety electrode holder
10/06/1993CN2143156Y FET DC/AC conversion rectifier for arc welding
10/05/1993US5250786 D-C arc welding apparatus
10/05/1993US5250355 Arc hardfacing rod
10/05/1993US5249731 Process for producing aluminum coated metallic material
10/05/1993US5249729 Method for forming hook engaging part in thermal part of material for vertical suspension type surface treatment
10/02/1993CA2091422A1 Drum cathode for use in the production of metal foils and a method of producing the same
10/01/1993CA2093036A1 Corrosion-resistant composite wire and method for manufacturing same
10/01/1993CA2093035A1 Method and device for continuous surface treatment of bar-shaped elongated materials having a metal surface
09/1993
09/29/1993EP0562130A1 Build-up welding device
09/29/1993EP0562111A1 Standoff control method and apparatus for plasma cutting machine
09/29/1993EP0386195B1 Wire gun
09/29/1993CN2142769Y Silicon positive-current welding machine with arc-stabilising system
09/29/1993CN2142768Y Automatic seam-welding machine with saw blade for submerged-arc welding
09/28/1993US5249209 Control rod canopy seal positioning and welding system
09/28/1993US5248868 Melding gun
09/28/1993US5248358 Method and apparatus for automating superconducting tape splices
09/16/1993WO1993017801A1 Mobile filter apparatus
09/16/1993DE4226953C1 Identification of flawed welds - by marking with fluorescent paint using welding head to attach bolt to base material by arc welding and spraying flawed weld with paint
09/14/1993US5245546 Welding arc length control system
09/14/1993CA1322229C Process for hindgas coverage in arc welding and hindgas device for carrying out of the process
09/09/1993DE4226014C1 Gas nozzle for inert gas welding torch - with angled expansion slot(s) at coupling end
09/09/1993DE4207114A1 Tool changing mechanism - with linear drive input transformed into translation and rotation of the output element
09/08/1993CN2141748Y Multipurpose miniature electro-welding and heating device
09/02/1993WO1993016873A1 Deep coat faced plate and method
09/02/1993CA2130274A1 Deep coat faced plate and method
09/01/1993EP0557757A1 Narrow gap welding using the MAG arc welding method
09/01/1993CN2141575Y Independent welding controller for thin sheet
08/1993
08/31/1993US5241154 Shield for mig welder
08/31/1993US5240582 Weld joining sections of titanium metal; weld metal contains yttria as grain size refiner
08/31/1993US5240168 Method for making a composite to carbon steel joint
08/28/1993CA2090528A1 Automated rotor welding processes using neural networks
08/25/1993CN1075443A AC arc welding electricity economizer
08/25/1993CN1075442A Intermediate frequency retransformational electric welding machine
08/25/1993CN1075441A Butt arc-welding bottom welding method
08/25/1993CN1075440A Multipurpose cutting scissors
08/24/1993US5239154 Welding apparatus
08/19/1993DE4204860A1 Stud welding gun for simultaneous welding of studs - comprises parallel stud holders attached to sliding spring-loaded plunger in an interchangeable insert block in a housing
08/19/1993DE4204740A1 Device to protect against light and fumes from welding station - comprises exhaust hood with sight protection curtain which is capable of being raised and lowered
08/19/1993CA2088965A1 Self-cleaning nozzle for a gas welding torch
08/18/1993CN2140281Y Current remote-control regulating unit of d.c electric welder
08/18/1993CN2140280Y Pulse controller of silicon rectifier electric welder
08/18/1993CN2140279Y Arc cutting and welding power supply
08/18/1993CN2140278Y Mini-size electric welder with non-power frequency transformer
08/18/1993CN1075277A Low stress non-deflecting welding process of dynamic control sheet member and its apparatus
08/17/1993US5237153 Transformer and power supply for pulse-arc welding station
08/11/1993EP0554464A1 Method of diagnosing real time sensor
08/11/1993CN2139868Y Controlled plate for raising property of electronic welding machine
08/11/1993CN1075107A Cold welding technology for red copper.
08/10/1993US5235156 Method and apparatus for surface modification of metal parts
08/10/1993US5235152 Device for flooding a weld seam between two pipes to be welded with gas
08/10/1993US5234148 Method of welding and a system therefor
08/10/1993US5233744 In site flywheel repair apparatus
08/10/1993CA1321182C Stowing and handling device of at least one elongated flexible element, such as a power and signal transmitting cable, for automated orbital welding apparatus
08/04/1993CN2139492Y Outer characteristic control circuit for arc welding inverting power supply
08/03/1993US5233159 Direct current welding system
08/03/1993US5233158 Arc welding current and voltage control method