| Patents for B23K 11 - Resistance welding; Severing by resistance heating (12,828) |
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| 11/11/1993 | DE4214412A1 Switching and control system for electric direct current resistance welding machine - with a measuring voltage source connected to the welding electrodes |
| 11/11/1993 | DE4209218A1 Telescopic vibration damper or suspension with resistance welding - has raised area on one fastening faces to increase static and dynamic strength of weld by forming ring connecting face |
| 11/10/1993 | CN2145672Y Miniature electric welder |
| 11/10/1993 | CN1078334A Projection welding of motor stator casing and magnetic pole |
| 11/09/1993 | US5260539 Method and apparatus for making a printing screen |
| 11/09/1993 | US5260120 Two coat weldable primer for steel |
| 11/09/1993 | US5259675 Ceramic guide pin |
| 11/02/1993 | US5258597 Method of stabilizing spot-welding |
| 10/28/1993 | WO1993021524A1 Ultrasonic method for the inspection of point welds between metal plates |
| 10/28/1993 | DE4213212A1 Verfahren zur Ultraschallprüfung von Punktschweißverbindungen von Blechen A method for ultrasonic testing of spot welds of sheets |
| 10/27/1993 | EP0566844A1 Method and apparatus for measuring the voltage across a welding seam in a roller-electrode welding machine |
| 10/27/1993 | EP0566741A1 Abnormal load detecting method |
| 10/27/1993 | CN2144556Y Multipurpose electric welder for refrigerating and air conditioning pipeline |
| 10/27/1993 | CN2144555Y Portable spot welding machine |
| 10/27/1993 | CN1077672A Resistance spot welding technique for cast iron and steel |
| 10/20/1993 | CN2144039Y 浮动冷却器 Floating cooler |
| 10/19/1993 | US5254828 Method and apparatus for controlling electrical resistance spot welding |
| 10/14/1993 | WO1993019884A1 Method and apparatus for electrical resistance spot welding |
| 10/14/1993 | DE4240823C1 Schweißverbindung eines Stahlblech-Bauteiles mit einem Aluminiumblech-Bauteil und Verfahren zum Verschweißen der beiden Bauteile miteinander Weld a steel plate component with a sheet of aluminum component and method for welding the two components together |
| 10/14/1993 | DE4210974A1 Electric resistance welding machine - with water-cooled electrode roller and slip ring mounted on ball bearing and coolant flow through axle and around bearing |
| 10/12/1993 | US5252801 Fixed point welding gun |
| 10/12/1993 | CA1323077C2 Resistance welding of galvanized steel |
| 10/06/1993 | CN1076881A Quantitative integral control method and apparatus for welding power supply |
| 10/05/1993 | US5250778 Method and apparatus for welding pad material to a spark plug electrode |
| 10/05/1993 | US5249725 Apparatus for re-using wires used once for mash seam welding |
| 09/29/1993 | EP0562253A1 Use of a welding method leak proof to gas and fluid |
| 09/29/1993 | EP0561974A1 Process and device for controlling the quality of spot-welded joints. |
| 09/29/1993 | EP0561773A1 Resistance welding electrode and process |
| 09/29/1993 | CN1022276C Electric motor and method and apparatus for manufacturing same |
| 09/23/1993 | DE4229766C1 Contact-clamping jaws for resistance welding - with wear-resistant coating, giving reduced temp.- and current density values |
| 09/22/1993 | EP0561571A1 Welding method |
| 09/16/1993 | DE4207612A1 Universal spot welding tongs for welding thin sheet metal and wire - made up of interchangeable modular components |
| 09/15/1993 | EP0560711A1 Electric supply circuit for the generation of separately controllable current pulses |
| 09/15/1993 | EP0429606B1 Process and machine for making wire grids |
| 09/15/1993 | CN1076151A Hanging spot-welder with transformer |
| 09/14/1993 | CA1322230C Spot welder |
| 09/08/1993 | EP0559527A1 Method and apparatus for electric welding multilayered sheet material |
| 09/08/1993 | EP0378617B1 Grid welding machine operating on the electrical resistance principle |
| 09/08/1993 | CN2141748Y Multipurpose miniature electro-welding and heating device |
| 09/07/1993 | CA1321925C Rounding apparatus for a can welding machine |
| 09/02/1993 | WO1993016825A1 Process and installation for producing reinforcement wire meshes |
| 09/01/1993 | CN2141344Y Spot welding machine |
| 08/31/1993 | US5240138 Ringless paint container |
| 08/25/1993 | CN2140802Y Automatic welder with grid plate |
| 08/24/1993 | US5239155 Electrode holding system |
| 08/24/1993 | CA1321627C Method and apparatus for supplying electric power to resistance welding gun |
| 08/19/1993 | WO1993015856A1 Automated production lines for producing rolled welded shells |
| 08/18/1993 | EP0555455A1 Method for measuring the temperature of the crimping or welding area during a heat crimping or spot welding operation, and methods for controlling the parameters of crimping and spot welding operations. |
| 08/17/1993 | US5237147 Electronic device for controlling and monitoring the electrical power supply to resistance welding equipment in particular as used in the manufacture of cans |
| 08/05/1993 | DE4203056A1 Welding unit for multi spot welding machines - with current transmitted to electrode housing directly from unit holding structure |
| 08/04/1993 | EP0553903A2 Electrodes for a spot welding machine |
| 08/04/1993 | EP0553529A1 Apparatus for feeding nuts and the like |
| 08/04/1993 | CN2139493Y Water-jacket welding tongs assembly |
| 08/03/1993 | US5233151 Device for controlling feed speed of parts |
| 07/29/1993 | DE4201925A1 Pneumatic cylinder with preliminary stroke and insulation for spot welding - incorporates a preliminary stroke piston, gives more simple and accurate positioning |
| 07/27/1993 | US5230141 Device for feeding apertured parts |
| 07/20/1993 | US5229930 Welding inverter and method for controlling a welding inverter |
| 07/20/1993 | US5229568 Spot resistance welding method and welding electrode for implementing the method |
| 07/20/1993 | US5229567 Switching control system for controlling an inverter of a spot resistance welding apparatus |
| 07/20/1993 | US5229566 Process and apparatus for spot-welding a flexible welding board to a battery cell |
| 07/20/1993 | US5228485 Flexible tubing occlusion sensor |
| 07/14/1993 | EP0550977A1 Process for the electric welding of two weld parts |
| 07/14/1993 | CN2138006Y Portable spot welder |
| 07/14/1993 | CN1074158A Method for monitoring weld quality in mash seam welding |
| 07/06/1993 | US5225647 Motorized weld head |
| 07/06/1993 | CA1319859C Sizing tool for a machine for the longitudinal seam welding of rounded can bodies |
| 06/30/1993 | EP0549424A1 Method and machine for exchanging contact end surfaces on resistance spot welding electrodes |
| 06/30/1993 | CN2137188Y Combined welder with outer feeding of welding wire for rigid plastic plates |
| 06/29/1993 | US5223690 Process and apparatus for spot-welding a flexible welding board to a battery cell |
| 06/23/1993 | EP0548011A1 Internal weld bead protection of sheet metal tubes |
| 06/23/1993 | EP0547322A1 Method for monitoring the welding quality during resistance seam-squeeze welding |
| 06/17/1993 | CA2081514A1 Method for monitoring weld quality in mash seam welding |
| 06/15/1993 | US5220148 Electrode for projection welding machine |
| 06/15/1993 | US5220145 Automatic welder control system |
| 06/09/1993 | EP0545605A2 Two coat weldable primer for steel |
| 06/02/1993 | EP0307442B1 Process and device for regulation of resistance or arc welding processes |
| 05/26/1993 | CN1020869C Arrangement for monitoring quality of electric welds |
| 05/25/1993 | CA1318365C Bonding method of binding strap end portions by spot-welding |
| 05/19/1993 | DE4137574A1 Resistance spot welding jaws - with compensation of electrode pressure redn. caused by electrode tip wear |
| 05/19/1993 | CN1020684C Apparatus for rounding and conveying onwards sheet-metal blanks for can bodies |
| 05/18/1993 | US5211208 Double-point welding machine |
| 05/18/1993 | US5210928 Method of manufacturing an electric motor |
| 05/18/1993 | CA1318001C Power control and line voltage monitor/compensator for resistance spot welding machines |
| 05/18/1993 | CA1317750C Wire connecting method |
| 05/13/1993 | WO1993008958A1 Abnormal load detecting method |
| 05/13/1993 | WO1993008951A1 Motorized weld head |
| 05/13/1993 | WO1993008950A1 Device for controlling supply of part |
| 05/13/1993 | DE4203190C1 Regulation and quality assessing of welding esp. spot welding - has ultrasonic detecting probe attached to welding electrode to record noise emission level at weld location |
| 05/13/1993 | DE4137122A1 Continuous prodn. of welded mesh, esp. in reinforcement mats - in which long and cross wires are continuously drawn from reels and wire ends are electromagnetically joined reel=to=reel without stopping mesh welding machine |
| 05/06/1993 | DE4135882A1 Welding process - by heating parts to be joined at welding seam and forging together with force using preset welding process parameters |
| 04/29/1993 | WO1993008628A1 Method and device for avoiding overcurrents in a welding converter |
| 04/29/1993 | WO1993007986A1 Swivel coupling |
| 04/28/1993 | CN1071359A Process for resistance welding arrangement for carrying out process |
| 04/27/1993 | US5205877 Process for making wire mesh screens |
| 04/22/1993 | DE4134461A1 Verfahren und vorrichtung zur vermeidung uebergrosser stroeme in einem schweissumrichter Method and device for avoidance by large currents in a welding converter |
| 04/21/1993 | EP0538232A1 Method of making wire gratings |
| 04/20/1993 | CA1316575C Control apparatus of resistance welders and control method thereof |
| 04/15/1993 | DE4133263A1 Operating a resistance welding machine - by ensuring symmetric magnetisation in the transformer core |
| 04/13/1993 | US5202543 Manufacturing process of a fuel delivery rail assembly |
| 04/08/1993 | DE4220104C1 Welding machine for mesh prodn. - has transverse rod feed system consisting of endless rod conveyors with vertical and horizontal sections |