| Patents for B23K 11 - Resistance welding; Severing by resistance heating (12,828) |
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| 04/30/1981 | WO1981001116A1 Z-bar guide apparatus |
| 04/14/1981 | US4262184 Electrical resistance welding of aluminum bars having alumina coating |
| 04/08/1981 | EP0026696A1 Device for electrically welding a platelet to the inner surface of a tube |
| 04/07/1981 | US4260868 Current carrying reciprocable fluid motor |
| 04/07/1981 | CA1098969A1 Method of joining two sheet metal parts |
| 04/07/1981 | CA1098968A1 Corrosion-resistant light-weight spot welding gun |
| 03/25/1981 | EP0025778A1 Hairpin-type electric resistance heating element and method of producing the same |
| 03/25/1981 | EP0025436A1 Reinforcement for reinforced concrete and process for the manufacture thereof. |
| 03/24/1981 | US4258245 Resistance welding machine |
| 03/24/1981 | US4258100 Comprising at least one layer of a rubber containing fine metal particles |
| 03/18/1981 | EP0025396A1 Process for elaborating a material for manufacturing metal packages, particularly foodcans, constituted by a protected steel sheet |
| 03/17/1981 | US4256946 Electrodes for use in the extrusion-fusion welding of lead parts through an aperture in a battery case |
| 03/10/1981 | US4255642 Method and apparatus for tipping off refractory metal tubulation |
| 03/03/1981 | US4254466 Power factor monitoring and control system for resistance welding |
| 03/03/1981 | US4254323 Apparatus for monitoring and controlling a welding phenomenon in an electric resistance welding |
| 02/17/1981 | US4251764 Interface circuit for interconnecting an electronic controller to a resistance welding machine |
| 02/17/1981 | CA1095998A1 Apparatus and method for making a battery side terminal weld |
| 02/11/1981 | EP0023898A1 Machine for the automatic production of welded lattice girders |
| 02/11/1981 | EP0023753A1 Method and apparatus of making welded metallic can bodies |
| 02/03/1981 | US4249153 Ring transformer for resistance butt welders |
| 01/22/1981 | WO1981000076A1 Pivotable handler |
| 01/07/1981 | EP0022123A1 Arrangement of electrodes in a gitter welding machine |
| 01/07/1981 | EP0021306A1 Contact arrangement for the high current circuit of a resistance welding machine |
| 12/30/1980 | US4242561 Electric seam weld monitoring apparatus and method |
| 12/23/1980 | CA1092201A1 Grid welding machine |
| 12/16/1980 | US4239953 Resistance welding apparatus |
| 12/16/1980 | US4239951 Multispot grid-welding machine |
| 12/16/1980 | US4239145 Apparatus for welding edge bars to bar grates |
| 12/10/1980 | EP0020318A1 Device to manufacture a welded mesh of mutually crossing metallic wires by means of the electric resistance-welding method |
| 12/10/1980 | EP0019747A1 Controlled welding modulator |
| 12/02/1980 | US4236453 Mobile rail welding machine |
| 11/26/1980 | EP0019521A1 Device for feeding a long cladding product for use in an apparatus for the internal coating of tubes |
| 11/26/1980 | EP0019196A1 Device for resistance roller seam welding |
| 11/25/1980 | US4235115 Electric welding |
| 11/25/1980 | CA1090171A1 Mobile rail welding machine |
| 11/18/1980 | US4234276 Dresser for offset electrode |
| 11/18/1980 | US4233928 Inner burr cutting, inner face cleaning and inner face painting apparatus for long pipes of small and medium diameters |
| 11/11/1980 | US4233488 Deep throat resistance welder |
| 11/11/1980 | US4233484 High frequency current welding of metal strip to a metal part |
| 10/28/1980 | US4230929 Control circuit for a welding device |
| 10/28/1980 | US4230925 Circuit board wire bonding and cutting apparatus |
| 10/28/1980 | US4230251 Automatic apparatus for the treatment of links of metallic chains |
| 10/28/1980 | CA1088610A1 Brush mounting for rotary electrical joint |
| 10/21/1980 | US4229637 Spot welding assembly for electrical resistance welding |
| 10/15/1980 | EP0016897A1 Device for avoiding the occurrence of a flash in tube-welding apparatuses |
| 10/15/1980 | EP0016803A1 Portable electrical resistance welding apparatus. |
| 10/14/1980 | US4228340 Voltage regulated capacitive discharge welding power supply |
| 10/14/1980 | US4228338 Process for implanting radioactive metal on a substrate |
| 10/14/1980 | US4228335 Machine for producing reinforcements, in particular for reinforced concrete, and the reinforcements produced thereby |
| 10/07/1980 | US4226697 Apparatus for the spark deposition of metals |
| 09/23/1980 | US4224496 Method and apparatus for controlling a brazing machine |
| 09/23/1980 | CA1086186A1 Welding gun |
| 09/04/1980 | WO1980001818A1 Reinforcement for reinforced concrete and process for the manufacture thereof |
| 09/03/1980 | EP0014768A1 A tool manipulating device arranged on a swivelling and revolving arm |
| 08/26/1980 | CA1084594A1 Joining of flat surfaces by electric resistance welding |
| 08/26/1980 | CA1084247A1 Method of making an apparatus containing a diaphragm, and apparatus for performing this method |
| 08/20/1980 | EP0014271A1 Weld monitoring apparatus and method |
| 08/19/1980 | US4217683 Method for resistance welding of an electro-optic device housing |
| 08/12/1980 | US4217478 Device for controlling butt welding machine |
| 08/12/1980 | US4217397 Metallic sandwich structure and method of fabrication |
| 08/05/1980 | US4216366 Resistance welder with a cutter |
| 07/22/1980 | US4214164 Control of spot weld quality by infrared thermal sensing |
| 07/22/1980 | US4214143 Conductor connector in flash welding apparatus |
| 07/22/1980 | US4214142 Apparatus and process for welding plated parts |
| 07/22/1980 | US4214140 Resistance welding machine for seam welding of blanks or the like |
| 07/15/1980 | CA1081545A1 Ring type calibrating cage |
| 07/08/1980 | US4211913 Automatic welding of resistance wires on resistors terminals |
| 06/25/1980 | EP0012741A1 Welding robot |
| 06/25/1980 | EP0012550A1 Installation tool for spot welding instrumentation to the inner surface of a tube |
| 06/24/1980 | US4208917 Device for inspecting spot welds |
| 06/17/1980 | US4208569 Device for controlling the process of flash-butt welding |
| 06/17/1980 | US4208568 Non-marring spot weld tip |
| 06/17/1980 | US4208567 Weldable instrumentation installation tool |
| 06/17/1980 | US4208566 Spot welding device |
| 06/17/1980 | CA1079815A1 Machine for the resistance butt welding of pipes |
| 06/17/1980 | CA1079814A1 Device for controlling butt welding machine |
| 06/10/1980 | CA1079365A1 Method and apparatus for welding studs to workpieces |
| 05/28/1980 | EP0011466A1 A bimetal resistance welding electrode and method of making same |
| 05/27/1980 | US4205214 Apparatus for machining flash and upset material formed in flash welding operation |
| 05/27/1980 | US4205211 Surface alloying apparatus including safety circuit |
| 05/13/1980 | US4203020 Method of resistance welding wires to a massive workpiece |
| 05/13/1980 | US4203019 Method for producing a sealed container by vacuum welding |
| 05/06/1980 | CA1077142A1 Resistance type flash butt welder |
| 04/29/1980 | CA1076659A1 Electrode roll arrangement for a resistance roll-welding machine |
| 04/29/1980 | CA1076658A1 Portable seam welder |
| 04/01/1980 | CA1074546A1 Method for producing a container |
| 03/25/1980 | US4195215 Weldable sealant forms |
| 03/11/1980 | CA1073535A1 Electrode for resistance welding of workpiece provided with electro-insulating coatings |
| 02/26/1980 | US4190758 Grid welding machine |
| 02/21/1980 | WO1980000229A1 Electrical resistance welding apparatus |
| 02/20/1980 | EP0007925A1 Plant for the thermal treatment at elevated temperature of objects to be treated as they pass |
| 02/12/1980 | US4188523 Roll electrode for use in a seam welding machine |
| 02/12/1980 | US4188149 Skin welded joint |
| 02/12/1980 | CA1071716A1 Welding of glassy metallic materials |
| 02/05/1980 | US4187407 Welded lap joint and method of making the same |
| 02/05/1980 | US4187406 Machine for welding seams in automotive wheel rim blanks |
| 02/05/1980 | CA1070989A1 Skin welded joint |
| 01/29/1980 | CA1070776A1 Electrical resistance-roll seam welding machine |
| 01/29/1980 | CA1070775A1 Method and apparatus for feeding studs to an electrode of a stud welding machine |
| 01/29/1980 | CA1070774A1 Method for fixing cylindrical elements on an elongated tube by resistance welding and machine for carrying out this method |