Patents for B23K 9 - Arc welding or cutting (32,679)
09/1988
09/14/1988CN87211336U External assembled avoiding vibration device for arc welder motor coil
09/14/1988CN87207026U Shifter for electric arc welder
09/13/1988US4771222 Tool coordinate system setting system
09/13/1988US4770315 For making chemical equipment for use in corrosive mediums
09/08/1988DE3706153A1 Electrical safety circuit for plasma-arc cutting appliances
09/07/1988WO1988006505A1 Improvements relating to welding
09/07/1988EP0281158A2 Inductively coupled plasma torch
09/07/1988CN88201104U Electric economizer for a.c. welder
09/07/1988CN87100959A Welding method and apparatus for thin-plate structural parts with low-stress and deformationless
09/06/1988US4769754 Stabilized welding power source including a series-resonant current-regulated converter using a transformer having an air-gapped core
09/06/1988US4769524 Plasma electrode
09/06/1988US4769521 Small TIG-arc welding torch
09/06/1988CA1241705A1 Large diameter stud welding and method and apparatus for welding same
08/1988
08/31/1988EP0114893B1 Build-up welding method
08/31/1988CN87210759U Three-phase multiple-frequency energy-saving arc welder
08/30/1988US4767913 Automatic gas detector for arc welder
08/30/1988US4767912 High frequency arc stabilizer
08/30/1988US4767911 Optical weld contour monitor for penetration control
08/30/1988US4767907 Method of igniting arcs by projection of ignition-plasma to the cathode
08/25/1988WO1988006073A1 A welding gun
08/25/1988WO1988006072A1 Current nozzle for mig- and mag-welding burner
08/25/1988DE3715521C1 Metal-active gas welding method for pipe branches - using ceramic support ring around inside wall of hole in container to which pipe branch is to be welded
08/24/1988EP0279113A1 Manufacture of shape melted austenitic material components
08/24/1988CN88100985A No-load energy-saving device of ac arc welding machine
08/23/1988US4766287 Inductively coupled plasma torch with adjustable sample injector
08/23/1988US4765525 Apparatus for remotely welding a cover to the wall of a container for storing radioactive fuel elements and wastes
08/23/1988CA1240846A1 Tube coupler, particularly suitable for platform foundation piles
08/18/1988DE3703341A1 Nozzle for burners for plasma processing
08/17/1988EP0278815A1 Narrow gap arc welding process and device for carrying it out
08/17/1988EP0278800A1 Process for the remotely controlled semi-automatic welding together of two revolution-symmetric work pieces
08/17/1988EP0278797A1 Plasma arc torch
08/17/1988EP0278737A1 Method and apparatus for forming welded rings
08/17/1988EP0278620A1 Method for ARC welding
08/17/1988CN88210117U Automatic-tracing welding-seam alligning machine
08/17/1988CN87216077U Combined arc welder
08/16/1988US4764658 Process and apparatus for welding steam turbine diaphragms
08/16/1988US4764657 Automatic tab plate welding apparatus
08/16/1988US4764656 Transferred-arc plasma apparatus and process with gas heating in excess of anode heating at the workpiece
08/11/1988WO1988005705A1 Welding method and apparatus
08/11/1988WO1988005704A1 Arc plasma torch and method using contact starting
08/11/1988WO1988005703A1 Welding method and apparatus
08/10/1988EP0277233A1 Device for plasma-arc cutting of biological tissues
08/10/1988EP0277140A1 Process and device for seeking and following a fillet weld during inert gas arc welding.
08/10/1988CN88100438A Method for arc welding
08/10/1988CN87215793U Energy-saving rectifying arc welding set with taps
08/09/1988US4763282 Programming format and apparatus for the improved coherent beam coupler system and method
08/09/1988US4762977 Double arc prevention for a transferred-arc flame spray system
08/03/1988EP0276404A1 Process for lengthening a turbo machine blade
08/03/1988CN87210474U Plasma welding torch
08/03/1988CN87206829U No-load automatic stop power-saving device for electric welding machine
08/02/1988US4761536 Method and apparatus for reducing magnetic field strengths in welding zones
08/02/1988US4761531 Torch with improved air flow
08/02/1988CA1239883A1 Method of repairing a steam generator tube by means of lining
07/1988
07/28/1988WO1988005363A1 Automatic welding apparatus
07/28/1988WO1988005362A1 Method of starting arc-sensing
07/28/1988DE3742192A1 Method of manufacturing a pre-workpiece for one-part current contact nozzles with melting-off additional wire
07/27/1988EP0275322A1 Method of detecting position data in arc welding
07/27/1988CN88211068U Arc welding hawbill
07/26/1988US4760241 Method of high-speed rotation arc automatic fillet welding
07/26/1988US4760232 Method of cladding a steel cylindrical core
07/26/1988US4759981 Welding backup tape assembly
07/26/1988US4759608 Automatic liquid crystal light-shutter
07/21/1988DE3800752A1 Method of controlling the workpiece quality
07/19/1988US4758707 Pulsed arc welding
07/19/1988US4757935 Method and device for flushing the inside surface of a pipe in the vicinity of a welded seam
07/19/1988CA1239448A1 Internal bore welding torch having removable flexible wand for remote welding
07/14/1988WO1988004971A1 Control apparatus for automatic arc welding machines
07/14/1988DE3738626A1 Method of sensing the weld seam in arc welding
07/12/1988US4757180 Transport device for a welding wire, particularly for robots
07/12/1988CA1239196A1 Stud welding tool
07/06/1988EP0273540A1 Method and device for controlling a short circuiting type of welding system
07/06/1988CN87203401U Enclosed electrode holders
07/05/1988US4755232 Method and apparatus for mechanically controlling the flame cutting and/or connection welding of workpieces
06/1988
06/30/1988DE3643640A1 Guide and contact sleeve for metal arc welding
06/29/1988CN86108397A Welding coating and its relevant technology for double-sided forming single-sided welding of alumited steel tube
06/28/1988US4754118 Method for fabricating a structural assembly having narrow gaps
06/28/1988US4753368 Metalloplastic composite containers
06/28/1988CA1238496A1 Driveshaft
06/23/1988EP0259459A4 Powder atomizing methods and apparatus.
06/23/1988DE3642358A1 Process and apparatuses for welding pipes in pipe pre-pressing works
06/22/1988EP0271696A2 Process and device for the manufacture of thin-walled hollow bodies made of concentric metal layers
06/21/1988US4752666 Manual percussive welding apparatus
06/21/1988CA1238212A1 Welding head apparatus
06/21/1988CA1238178A1 Apparatus for assembling heat exchangers
06/14/1988US4751367 Arrangement for the generation of a welding current having a d.c. portion and superimposed current pulses
06/14/1988US4751366 Process for the arc welding of nitrogen alloyed steels
06/14/1988US4750663 Apparatus and method for fabricating plate web girders
06/14/1988CA1238090A1 Equipment for electroslag surfacing of rolling mill rolls
06/14/1988CA1238089A1 Equipment for the automatic welding of pipes
06/08/1988EP0269954A2 Circuit arrangement for controlling a welding current
06/07/1988US4749841 Argon, helium, and co2; increased metal deposition rate with less energy
06/07/1988US4749839 Welding torch gas cup extension
06/02/1988WO1988003852A1 Automatic welding apparatus for weld build-up and method of achieving weld build-up
06/01/1988EP0269551A2 Methods for weld repairing hollow, air cooled turbine blades and vanes
06/01/1988DE3728186A1 Gas-lens housing for torches, in particular TIG torches
05/1988
05/31/1988US4748312 Plasma-arc torch with gas cooled blow-out electrode
05/31/1988CA1237486A1 Automatic duct welding machine
05/31/1988CA1237485A1 Nozzle for gas shielded arc welding
05/25/1988CN87200660U Magnetometric conduct electrode
05/24/1988US4746049 Apparatus for fabricating multi-layer spiral tubes