Patents for B23K 11 - Resistance welding; Severing by resistance heating (12,828)
07/1999
07/20/1999US5925412 Bernex chemical vapor deposition; hardness, wear resistance, smoothness, nonporous
07/20/1999US5924629 Expansion valve
07/15/1999DE19758129A1 Cylinder unit
07/14/1999EP0686453B1 Resistance welding method for steel metal plates and aluminum metal plates and material for resistance welding
07/14/1999CN1044099C Manufacture of internally enhanced welded tubing
07/13/1999CA2161728C Method for resistance welding with dilution metal and product thereof
07/07/1999EP0927598A1 Device for spot-welding of motor-vehicle bodies or sub-assemblies thereof
07/06/1999US5920014 Process for assessing welded joints
07/06/1999CA2155300C Electrode tip dresser and cutter for electrode tip dresser
06/1999
06/30/1999EP0925875A1 Apparatus for removing burr by multiple-stage grinding machine
06/30/1999EP0925852A2 Method and facilities for continuously rolling billet
06/30/1999EP0675779B1 Fast response weld head
06/29/1999US5915745 Reinforcement strip
06/29/1999US5915421 Method of forming seamed metal tube
06/23/1999EP0924018A2 Welding adaptor
06/23/1999CN2325158Y Super long rail projection welding machine with protective pressure
06/23/1999CN2325157Y Double inclined 'X' section flat-steel
06/23/1999CN2325156Y Pressure butt welding machine
06/23/1999CN1220198A Device for spot-welding of motor-vehicle bodies or subassemblies thereof
06/22/1999US5914057 Resistance welding electrode and process for making
06/22/1999US5914056 Method of controlling a pressure application resistant welding machine
06/18/1999CA2230848A1 Device for spot-welding of motor-vehicle bodies or sub-assemblies thereof
06/16/1999EP0922523A1 Spot welding tool with reeling device
06/16/1999EP0921891A1 Stud welding collet
06/16/1999CN2323903Y Displacement regulating structure for point welding machine
06/16/1999CN2323902Y Structural improve ment for planer point welding machine
06/16/1999CN2323901Y Plane automatic point welding machine
06/16/1999CN1043619C Method for welding metallic horizontal structural member on double-layer composite panel
06/09/1999CN2322739Y Automatic feed device for butt welder
06/09/1999CN2322738Y Uniform heating device for box resistance furnace
06/08/1999US5910259 System for making motors with carbon commutator assemblies
05/1999
05/27/1999WO1999025599A1 Projection welded panel spacer and method of making the same
05/27/1999WO1999025510A2 Method and device for thermally supporting mechanical joints
05/27/1999DE19852879A1 Milling system
05/27/1999DE19745636C1 Contact material for welding
05/27/1999CA2310396A1 Method and device for thermally supporting mechanical joints
05/26/1999CN2320363Y Electroslag pressure welder controller
05/26/1999CN2320362Y Welding current constant-current controller for resistance welder
05/26/1999CN2320361Y Mat reinforcement cylinder multiple spot welding forming device
05/25/1999US5906755 Spot welding control method and apparatus
05/20/1999DE19852809A1 Thermally assisted mechanical joining method for metal sheets
05/20/1999DE19750312A1 Tool for machining the welding zone of spot welding electrodes
05/19/1999EP0916858A1 Method for manufacturing a ball joint
05/19/1999EP0705155B1 Method of forming seamed metal tube
05/19/1999CN2319165Y Microcomputer controller of capacitor accumulating gap welder
05/12/1999EP0914897A1 A joined metal member and a method and an apparatus for fabricating the same
05/12/1999EP0914228A1 Device for the maintenance of programmable automatons
05/11/1999US5902496 Device for spot welding of structures constituted by metal elements, particularly motor-vehicle bodies or sub-assemblies thereof
05/06/1999EP0913224A2 Resistance-welding power supply apparatus
05/06/1999EP0913223A1 Tappet made of light metal and a method of manufacturing the same
05/05/1999CN1215642A Resistance-welding power supply apparatus
05/04/1999US5899110 Pivoting fabricating apparatus with a linear action
04/1999
04/28/1999EP0911112A1 Fluid pressure actuated combined centering and clamping device, in particular for use in the manufacture of motor vehicle bodies in the automotive industry
04/28/1999EP0911108A1 Flash butt welding device
04/28/1999EP0910491A1 Method and device for producing wire lattice mats
04/28/1999CN2316083Y Net reel speed-regulating device of differential clutch for electrowelding net machine
04/28/1999CN2316082Y Integral mesh step-by-step toothed shaft for electrowelding net machine
04/28/1999CN2316081Y Closed parallel straightener for electrowelding net machine
04/28/1999CN1214980A Method for making chaplet by using butt welding technology
04/27/1999US5898285 Method of teaching welding robot
04/21/1999CN2314886Y Spot-welding clamp for clothes hanger
04/21/1999CN2314885Y 焊接装置 Welding equipment
04/20/1999US5895585 Device for confirming opening of welding gun
04/20/1999US5895584 Movable electrode structure of resistance welding apparatus for nut
04/15/1999WO1999017904A1 Method and device for butt-welding wire-shaped materials
04/15/1999WO1999017902A1 Device for maintenance of programmable automatons
04/14/1999EP0907454A1 Improved operating cylinder
04/14/1999CN2313701Y Tool and mould repairing apparatus
04/14/1999CN2313700Y Electric network welding apparatus
04/08/1999WO1999016573A1 Low inertia bearing for resistance seam welding wheel
04/08/1999CA2304871A1 Low inertia bearing for resistance seam welding wheel
04/06/1999US5892197 Control apparatus for resistance welding machine
04/01/1999DE19729968C1 Resistance welding with controlled relative motion of the components to be joined
03/1999
03/31/1999EP0904884A2 Welding
03/31/1999CN2312094Y Resistance butt welding quick end forge drawing-off apparatus
03/25/1999WO1999014008A1 Conductive heat resistance seam welding
03/25/1999DE19741419A1 Apparatus for changing an electrode end piece stuck onto the electrode shaft end of a robotic spot welding unit
03/24/1999EP0771252B1 Replaceable high power electrical contacts for robotic tool changing systems
03/24/1999CN1211483A Jointed metallic parts and parts jointing method
03/18/1999WO1999013118A1 Aluminum alloy sheet for spot welding
03/17/1999EP0901868A1 Resistance spot welding machine
03/16/1999US5883355 Method of adjusting a clamping force of servo-controlled welding gun
03/16/1999US5883354 Method of fastening a strip of thin sheet metal on a conical separation disc of thin sheet metal, and a separation disc provided in this manner with a strip of thin sheet metal
03/16/1999US5883353 Seam welding machine and method for protecting welding electrodes
03/11/1999DE19740024C1 Method for contact-less testing of weld spots
03/11/1999DE19738957A1 Electrode for resistance spot welding, method for its production
03/10/1999CN1210049A Resistor clot welding process of vacuum sucker with inner pressure container
03/10/1999CN1210048A Method for welding 0.5mm cadmium plate by dot argon arc welding
03/09/1999US5880425 Method and apparatus for joining metals
03/09/1999US5880424 Spot welding head
03/09/1999CA2241061A1 Welding
03/04/1999DE19737394A1 Method for finding fault in coolant circulation system of installation
03/03/1999EP0899048A1 Device for resistance welding U shaped profiles to rod shaped profiles
03/03/1999CN1042307C Flash butt-welding device for rail
03/02/1999US5875678 Power work arm with dual action shock absorber
02/1999
02/25/1999WO1999008831A1 Substrate facing method, body and kit
02/25/1999WO1999008826A1 Method and apparatus for detecting an abnormal load on a servo gun shaft
02/25/1999WO1999008825A1 Assembling electroconductive parts by electric current heating
02/25/1999DE19735219A1 Method for joining electrically conductive parts
02/25/1999CA2310025A1 Assembling electroconductive parts by electric current heating