Patents for B23K 9 - Arc welding or cutting (32,679)
08/1993
08/03/1993US5233151 Device for controlling feed speed of parts
08/03/1993US5233150 Method of production of workpieces by welding equipment
07/1993
07/28/1993EP0533740A4 A dc arc torch power supply
07/28/1993EP0528913A4 A dc switched arc torch power supply
07/28/1993EP0391984B1 Apparatus and process for cooling a plasma arc electrode
07/27/1993US5231258 Double chamber sliding backpurge device for gas shielded arc welding
07/27/1993US5230756 Method of forming weld bead of pure copper on ferroalloy base material
07/22/1993WO1993014557A1 Controlled power supply
07/22/1993WO1993013934A1 Device for arc welding and cutting
07/22/1993DE4201477A1 Arc welding method - uses magnetic field to position pilot arc or ionised stretch
07/22/1993DE4201247A1 Arc spot welding machine for dental engineering with stepped capacitors - has switchable discharge unit with individual switchable discharge steps and welding tongs connected to discharge unit for connecting to parts being welded
07/22/1993DE4200948A1 Vorrichtung zum lichtbogenschweissen und -schneiden Apparatus for arc welding and cutting
07/22/1993DE4200329A1 Regelbare speisestromquelle Adjustable food source of
07/21/1993CN2138540Y Fast clamp electrode clipper
07/21/1993CN2138539Y Hand-held ac arc welder
07/21/1993CA2083311A1 Miab welding machine
07/20/1993US5229930 Welding inverter and method for controlling a welding inverter
07/20/1993US5228196 Method for preparing a scroll compressor
07/20/1993CA1320542C Turbine system having more failure resistant rotors and repair welding of low alloy ferrous turbine components by controlled weld build-up
07/14/1993EP0550977A1 Process for the electric welding of two weld parts
07/14/1993EP0550452A1 A method of welding.
07/14/1993CN2138002Y Goose head like electrode holder
07/14/1993CN2138001Y Multifunctional sillicon controlled converting arc welder
07/14/1993CN1074158A Method for monitoring weld quality in mash seam welding
07/13/1993US5227609 Method and apparatus for welding
07/13/1993US5227601 Adjustable welding torch mounting
07/13/1993US5226977 Method of hardfacing an engine valve of a titanium material
07/07/1993EP0550205A1 Steam turbine rotor welding
07/07/1993EP0275322B1 Method of detecting position data in arc welding
07/07/1993CN2137578Y Anti-twisted earthing connector
07/07/1993CN2137577Y Automatic gas-electric vertical welding machine for seam-welded construction
07/06/1993US5225660 Consumable-electrode ac gas shield arc welding method and apparatus therefor
07/06/1993US5225658 Stopping a plasma arc cutter upon completion of cutting
06/1993
06/30/1993EP0549398A1 Process for welding or brazing strongly oxidisable metals
06/30/1993EP0548100A1 Welding electrodes and method
06/30/1993EP0536397A4 Autonomous device for arc welding
06/30/1993CN1021416C A.c. hand operated electric arc welding machine for thin sheet
06/29/1993US5223686 Orbital welding apparatus with safety interlock
06/24/1993WO1993011932A1 Arc hardfacing rod
06/24/1993DE4204661C1 Intermittent submerged arc welding seams mfr. - with wire feed reversal at end of weld for reliable reignition of arc
06/23/1993EP0547639A1 Dielectrical ring for stud welding
06/23/1993EP0547417A1 Method and device for refining an arc during welding with protection gases
06/23/1993EP0547322A1 Method for monitoring the welding quality during resistance seam-squeeze welding
06/23/1993CN1021308C Improvements in or relating to laminated metal structures for resisting wear at elevated temp.
06/22/1993US5221826 MIG welding torch reconditioning apparatus
06/22/1993US5221825 Sensing of gas metal arc welding process characteristics for welding process control
06/22/1993US5221818 Box header welding method and apparatus
06/22/1993US5220910 Device and method for ventilation
06/17/1993CA2081514A1 Method for monitoring weld quality in mash seam welding
06/16/1993EP0546612A1 Hollow upper control arm for vehicle suspension system
06/16/1993CN2136099Y Automatic contacting part for connecting negative line of arc welder with workpiece to be welded
06/16/1993CN2136098Y 接触式弧焊跟踪传感器 Contact arc tracking sensors
06/16/1993CN2136097Y Energy-saving remote-controller for welder
06/16/1993CN1073128A DC welder without silicon steel plate iron-core
06/15/1993US5220151 Power source apparatus for an alternating-current arc welding capable of supplying an alternating-current welding current having any waveform
06/15/1993US5220144 Water cooled orbital welding head
06/13/1993CA2085054A1 Welding or soldering process for highly-oxydable metal parts
06/11/1993CA2084907A1 Hollow upper control arm for vehicle suspension system
06/10/1993WO1993010933A1 Shield for mig welder
06/09/1993EP0545792A1 Procedure for build-up arc weld and device therefor
06/09/1993EP0545336A1 Head to head welding joint of two aligned rail segments
06/09/1993EP0544885A1 Stud welding device
06/09/1993DE4211906C1 Welding power supply circuitry - has waveform shaping circuit for rectifier input current so current waveform can assume sinusoidal shape
06/09/1993CN2135422Y Contact type welding grounding device
06/08/1993US5218182 Constant current welding power supply with auxilary power source to maintain minimum output current levels
06/08/1993US5217156 Device for hindgas coverage in tube welding
06/08/1993CA1318954C Vision seam tracking method and apparatus for a manipulator
06/03/1993DE4139337A1 Appts. for drawing=off wire from coil - includes lever balanced control roller activating drive motor in response to tensile force applied to wire as it is drawn off
06/02/1993EP0544386A1 Sheathed head assembly and process of making
06/02/1993EP0544187A1 Arc welding method using special protecting gas
06/02/1993EP0307442B1 Process and device for regulation of resistance or arc welding processes
06/02/1993CN2134903Y Miniature electric welding or cutting machine
06/02/1993CN1072624A Aluminium welding method for aluminium-copper heterogenous metal
06/02/1993CN1021028C Method and apparatus for torch head to track weld line automatically
06/01/1993US5216221 Plasma arc torch power disabling mechanism
06/01/1993US5215451 Scroll type compressor having stepped assembling portions on the center shell
05/1993
05/27/1993WO1993009907A1 Welding system for superhigh purity fluid supply pipe system
05/27/1993WO1993009906A1 Superhigh purity fluid supply pipe system and method of installing the same
05/27/1993WO1993009905A1 Welder
05/26/1993CN2134255Y Security gas quantitative pressure and flow retainer for electric arc welding
05/26/1993CN2134254Y A.c. arc welder with pot welding device
05/25/1993US5214531 Operation control system for a scanning galvanometer
05/25/1993US5214265 High speed low deposition submerged arc welding apparatus and method
05/25/1993CA1318364C Vacuum carbon arc metal removal process and apparatus
05/19/1993EP0541904A1 Table used for welding and preparation
05/19/1993DE4200548C1 Method of feeding filler wire to welding torch - includes attaching wire feed tube to torch housing with tube being removable to allow replacement of torch neck
05/19/1993DE4143181C1 Gas-shielded welding torch - with gas nozzle mounting and lock nut with internal thread for continuous adjustment of overlap between gas-and current-nozzle
05/19/1993CN2133400Y Portable miniature electric welding machine with wind cooling
05/19/1993CN2133399Y Electric welding plicers with protective face guard
05/19/1993CN2133398Y Automatic submerged-arc welding machine contact mouth
05/19/1993CN2133397Y Rotary switch and electric current-adjusting device of welding plicers
05/19/1993CN2133396Y Five-purpose welding rod incubator
05/19/1993CN2133395Y Alternating and direct current two-purpose arc welding machine with silicon controlled rectifier
05/19/1993CN1072123A Method and apparatus for manual welding by direct current pulse
05/18/1993US5212364 Arc welding circuit for welding thin metal pieces
05/18/1993US5212363 Torch for removing steam generator tubes
05/12/1993EP0541010A1 Fumes aspirator
05/12/1993EP0540746A1 Device and method for welding surface-treated metal
05/12/1993EP0461122A4 Distributed processing control system for automatic welding operation
05/12/1993CN2132587Y Ac. arc welder