Patents for B23K 9 - Arc welding or cutting (32,679)
12/1981
12/01/1981US4303823 Welding device
12/01/1981US4303821 Strip welding for butt joints
12/01/1981CA1113551A1 Welding apparatus
12/01/1981CA1113550A1 Stud receiver
11/1981
11/25/1981EP0040248A1 A method of stud welding and a stud to be welded
11/25/1981EP0040234A1 Z-bar guide apparatus.
11/25/1981EP0040222A1 Improved power source for metal transfer processes
11/24/1981US4302657 Method for arc-welding the blades to the disc or counterdisc of rotary machine rotors
11/24/1981US4302656 Controlling the operations of an electric arc welder
11/24/1981US4302655 Method and device for adaptive control of the weld parameters in automatic arc welding processes
11/24/1981US4302652 Method of welding the ends of submerged pipes by sleeve abutment
11/17/1981US4301355 Gas metal arc welding system
11/17/1981US4301350 Presetter
11/17/1981US4300630 Finned metal tube and method for making the same
11/12/1981WO1981003138A1 Method of manufacturing articles with surfacing coating and article made by this method
11/10/1981US4300036 Welding apparatus with arc interval energy control
11/10/1981US4300035 Welding apparatus with time interval control
11/10/1981US4300034 Gas tungsten arc welding torch
11/10/1981US4300033 Reduced operating noise nozzle for electric arc cutting device
11/10/1981US4299108 Cage-roll unit for metal pipe forming
11/04/1981EP0038980A1 Mechanical welding-device for the support of the weld pool
11/03/1981US4298785 Method and device for automatically tracking systems to the center of weld gaps, weld joints and weld reinforcements
11/03/1981US4298784 Arrangement for measuring the distance between a metallic workpiece and a processing tool
11/03/1981US4298783 Deep narrow groove tungsten inert gas shielded welding process
10/1981
10/28/1981EP0038791A1 Process for welding an aluminium article to a stainless steel article
10/27/1981US4297561 Semi-automatic welding gun
10/27/1981US4297560 Process and apparatus for testing arc stud welding guns
10/21/1981EP0038117A1 Methods for preparing anti-hypertensive agents
10/21/1981EP0037918A2 Stud welding apparatus
10/20/1981US4296308 Apparatus for welding impeller
10/20/1981US4296306 Method of welding corrugated metallic materials
10/20/1981US4296300 Method and device for welding protected metal parts
10/20/1981US4295593 Welding seam back-up means
10/20/1981US4295592 Apparatus for joining and cladding pipe sections
10/15/1981WO1981002931A1 Protective shield device
10/14/1981EP0037521A2 Process and apparatus for automatically tracking a weld seam
10/13/1981US4295031 Arc welding apparatus with oscillating electrode
10/13/1981US4294662 Process for the final assembly of a nuclear reactor vessel
10/13/1981CA1110714A1 Wireless remote control for electric welder
10/06/1981US4293758 Welding apparatus including means for depositing the weld metal along parallel paths
10/06/1981US4293756 Electric welder
10/01/1981WO1981002700A1 Shank for centering a tool into a bore of a work piece
09/1981
09/30/1981EP0036736A2 Control apparatus for reducing the waste of welding gas
09/29/1981US4292497 Pulsed arc welding and surfacing apparatus
09/29/1981US4292495 Welding torch weaving device
09/29/1981US4292493 Method for decomposing ozone
09/23/1981EP0036374A1 Method and device for welding with automatic following of the welding-joint
09/22/1981US4291220 Method of welding utilizing both consumable and non-consumable electrodes
09/22/1981US4291217 Process for underwater plasma cutting of workpieces
09/22/1981US4290290 Process for extruding a composite section, a die for this purpose, and the resultant composite section
09/16/1981EP0035492A1 Improved method of forming a socket weld.
09/15/1981US4289950 Narrow gap welding apparatus
09/09/1981EP0035423A2 System to detect and localize surface discontinuities with a light probe
09/09/1981EP0035386A1 Narrow groove welding torch
09/08/1981US4288682 Welding system with reversible drive motor control
09/08/1981US4288681 Apparatus for fabricating isolated phase bus
09/08/1981US4288109 Corrosion resistant assembly and method of making it
09/08/1981US4288020 Tracking type welding apparatus
09/08/1981CA1108742A1 Method and device for automatically tracking systems to the center of weld gaps, weld joints and weld reinforcements
09/08/1981CA1108705A1 Welding torch with mechanical and pneumatic cleaning
09/03/1981WO1981002430A1 Method and device for plasma-arc remelting the surface layer of a plane metallic workpiece with parallel edges
09/03/1981WO1981002402A1 A contact device for strip-shaped welding electrodes
09/02/1981EP0034967A1 Automatic and auto-adaptive fusion-welding process, and device for carrying out this process
09/01/1981CA1108270A1 Adaptive path following motion control system
09/01/1981CA1108244A1 Welding at pressures greater than atmospheric pressure
08/1981
08/26/1981EP0034577A2 Welding head for strip electrodes
08/25/1981US4286138 Welding methods and apparatus including alternate weld metal depositions along opposite sides of a weld
08/25/1981US4285635 Impeller in a centrifugal blower
08/25/1981US4285460 Method and apparatus for double jointing pipe
08/25/1981US4285459 High temperature braze repair of superalloys
08/25/1981US4285458 Welding backup shoe apparatus
08/18/1981US4284871 Automatic adjustment of the initial height of a flame cutter to a workpiece
08/18/1981US4284870 Stud welding with fluid shield
08/11/1981US4283618 Welding apparatus with stepping circuit current control
08/11/1981US4283617 Automatic pipe welding system
08/11/1981US4283616 Gas metal arc welding method for preparing misaligned tube holes
08/11/1981US4282981 Whereby the thickness of the oxide layer is controlled to a small value; corrosion resistance
08/11/1981US4282763 Compound oscillator
08/05/1981EP0033312A1 Gas-shielded welding unit with automatic wire feed
08/05/1981EP0033127A1 Center tracking welder unit with floating reference
08/04/1981US4282569 Constant current welding power supply with an upslope starting current
08/04/1981US4282419 Consumable electrode welding torch with polygonal contoured electrode guide
08/04/1981CA1106453A1 Reduction of arc blow in multi-electrode welding
07/1981
07/29/1981EP0032611A1 Welder control system
07/23/1981WO1981001974A1 Welding head adjusting device
07/22/1981EP0032337A1 Process for welding metallic workpieces
07/21/1981US4280137 Method and apparatus for automatically controlling arc welding
07/21/1981US4280043 Welding torch with mechanical and pneumatic cleaning
07/21/1981US4280042 Process and installation for automatic ignition of a plasma cutting torch
07/21/1981US4280041 Apparatus for arc welding or plasma cutting
07/21/1981US4280040 Method of arc welding porous sheet metal
07/21/1981CA1105568A1 Method for manufacturing spiral-seam-welded steel pipe with the use of a plurality of electrodes in tandem
07/21/1981CA1105554A1 Sealed electrochemical cell compartment connectors
07/21/1981CA1105296A1 Pipe abutting machine for haying in waters of diverse depths
07/14/1981US4278868 Methods and apparatus for heating metal parts with magnetically driven travelling electric arc
07/14/1981US4278865 Gas shielded stud welding method
07/14/1981US4278864 Welding gas shield control
07/14/1981US4278312 Safety plug for arc welder connectors
07/08/1981EP0031422A1 Apparatus for producing tubes of given length
07/07/1981US4277108 Hard surfacing for oil well tools