Patents for B23K 11 - Resistance welding; Severing by resistance heating (12,828)
11/1988
11/15/1988CA1244679A1 Stud welding device
11/09/1988EP0289748A2 Calibrating tool for a straight bead welding machine for rounded can shells
11/09/1988EP0289745A2 Rounding apparatus for a can welding machine
11/09/1988EP0289744A2 Conveyor for can shells in a can welding machine
11/03/1988WO1988005991A3 Fixing device and method for the manufacture of same
11/01/1988US4782230 Arrangement for the quality testing of a resistance welded connection
11/01/1988US4782207 Electrode roll
11/01/1988CA1244096A1 Spike welding system having improved power supply
11/01/1988CA1244095A1 Saturation monitoring arrangement and method of control for a frequency-converter welding device
11/01/1988CA1244094A1 Machine for welding longitudinal seams on rounded sheet-metal container body blanks
10/1988
10/27/1988DE3811834A1 Method and apparatus for resistance projection welding with quality monitoring of the welding
10/27/1988DE3711771A1 Method and arrangement for process control in spot welding
10/25/1988US4780589 Roller electrodes for electric-resistance welding machine
10/18/1988CA1243366A1 Apparatus for electrical resistance seam welding by rollers and electrode roller and welding-current supply particularly provided therefor
10/12/1988CN87212972U Arc welding hand tongs
10/11/1988US4776084 Apparatus for positioning vehicle body in assembly line
10/06/1988WO1988007430A1 Process and device for regulation of resistance or arc welding processes
10/06/1988DE3809997A1 Method and device for monitoring the flow of powder and use for monitoring the application on a welding seam
10/04/1988US4775272 Decorative capped wheel nut and method of making same
10/04/1988CA1242768A1 Seam welding machine
09/1988
09/28/1988EP0284467A1 Electrode welding device
09/28/1988EP0284455A1 Resistance electric welding machine for the manufacture of metal ferrules
09/28/1988EP0284376A2 Spot welding machine
09/28/1988EP0284177A1 Method and apparatus for spot weld control
09/28/1988EP0283492A1 Welding electrode arrangement.
09/28/1988CN87104456A Stressed skining method for coath and its apparatus
09/22/1988DE3707572A1 Pneumatically actuated welding tongs for electrical resistance spot welding
09/21/1988EP0283133A2 Decorative capped wheel nut and method of making same
09/14/1988EP0282417A1 Device for changing tools operated by a robot
09/13/1988US4771160 Welding tongs
09/08/1988DE3706316A1 Method for the flash-butt welding of parts to be butt-joined to one another
09/01/1988DE3804919A1 Control of a welding robot
09/01/1988DE3705842A1 Device for the electrical resistance welding of double-webbed brake jaws
08/1988
08/30/1988CA1241185A1 Universal joint cross
08/25/1988WO1988005991A2 Fixing device and method for the manufacture of same
08/24/1988CN88100655A Resistance welding
08/23/1988US4766283 Apparatus for attaching insulation to duct work
08/23/1988US4766282 Fusing apparatus and method with electrode changing
08/23/1988US4765532 Method of and apparatus for connecting metal strips
08/23/1988US4765530 Welding to ferrous material through compatible intermediates
08/23/1988CA1241073A1 Three-phase high frequency spike welding system
08/17/1988EP0278185A1 Numerically controlled resistance-welding machine and screw-nut system or analogous; its functioning mode
08/17/1988EP0278098A2 Resistance seam-welding machine
08/16/1988US4763830 Method for welding ribbed pipe
08/16/1988US4763550 Self equalizing piercing machine
08/16/1988US4763401 Automatic tool-changing device for industrial robots
08/09/1988US4762976 For electrical welding of a workpiece
08/09/1988US4762446 Cutter of tip dresser for welding apparatus
08/03/1988EP0276669A1 Connecting device for wires or strips by resistive welding
08/03/1988CN87105865A Fitting and disc for butt jointing
08/02/1988US4761533 Spot welding device
08/02/1988US4761532 Resistance welding apparatus
07/1988
07/28/1988DE3739362A1 Method of making a joint by electrical resistance welding
07/26/1988US4760242 Fused eyeletting machine
07/26/1988US4760234 Method and apparatus for connecting a hollow member to an inner member
07/20/1988CN87100118A Method of multi-electrode resistance butt-welding and its equipment
07/13/1988EP0273984A1 Seam welding apparatus
07/12/1988US4756238 Apparatus for performing plural operations on a common workpiece
07/12/1988US4756069 Method of making a tank
07/12/1988CA1239197A1 Welding power supply unit
07/06/1988EP0273901A1 Device for feeding the transvers wires to the welding line of a wire mesh welding machine
07/06/1988EP0273876A1 Spot welding electrode and method for making it
07/06/1988EP0273607A1 Resistance welding apparatus
07/06/1988EP0273312A2 Method for welding ribbed pipe
07/06/1988EP0273135A1 Procedure and device for the orientation and lenghtwise motion of radiussed bodies of cans in relation to a welding device
07/06/1988EP0273133A1 Device for resistance welding
07/05/1988US4755652 Method and apparatus for welding thin metal sheets
07/05/1988US4755650 Fusing together magnet wire and stranded wire
06/1988
06/30/1988WO1988004590A2 Arrangement in welding machines
06/28/1988US4754116 Projection welder
06/28/1988US4753424 Method of clamping rails for pressure welding the same and clamping apparatus therefor
06/23/1988EP0179820A4 Apparatus for fabricating concrete reinforcing stirrups and the welding thereof with rods to form a concrete reinforcing cage.
06/22/1988CN87201532U Micorcomputer-controller for holder voltage of flash butt welder
06/22/1988CN87107327A Method and apparatus of relative positioning and longitudinal movement between reeled-pot and butt welding equipment
06/22/1988CN86102511A Spraying and remelting resistance brazing technology for starter armature
06/21/1988US4752026 Method of securing two parts to each other
06/09/1988DE3641545A1 Force-measuring head for a resistance-welding apparatus
06/07/1988US4748899 Dual-pressure jack
06/01/1988EP0269201A1 Flexible conductors for welding
05/1988
05/31/1988US4748309 For manufacturing grids
05/31/1988US4747205 Method of producing a motor frame for an electric motor
05/24/1988US4746783 Welding current control circuit for spot welder
05/17/1988US4745255 Method and apparatus for welding current regulation for a resistance welding machine
05/17/1988US4744501 Method of preventing sag of panel and apparatus therefor
05/11/1988EP0267109A1 Automatic welding robot electrode replacing device
05/11/1988EP0266777A2 Electric resistance welding for zinc plated steel plate
05/11/1988CN87106632A 焊接 Welding
05/11/1988CN87105705A Flexible electric conduction device for welding
05/10/1988US4742841 Water shut-off valve
05/10/1988US4742758 Self-locking, fluid operated actuator
05/10/1988CA1236499A1 Honeycomb seal structure
04/1988
04/26/1988US4740665 Apparatus for automatically controlling heat input by high frequency power source for welding
04/26/1988CA1235717A1 Automatic tool changing mechanism for industrial robots
04/20/1988EP0263997A2 Feeding of transverse wire to a grating welding machine
04/20/1988CN86106783A Technology for welding dental drills
04/19/1988US4738387 Flexible manufacturing system for the processing and production of multi-part subassemblies, in particular subassemblies of semi-finished vehicle bodies
04/13/1988EP0263098A1 System of transformers for a welding apparatus
04/12/1988US4737611 Apparatus for receiving and holding tools
04/12/1988CA1235193A1 Workpiece feeding apparatus in seam welding machine
04/07/1988WO1988002296A1 Welding electrode arrangement