| Patents for B23K 37 - Auxiliary devices or processes, not specially adapted to a procedure covered by only one of the other main groups of this subclass (29,284) |
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| 06/26/1991 | CN2079555U Carriage for supporting contact roller |
| 06/25/1991 | US5026966 Bath or shower |
| 06/25/1991 | US5025972 Apparatus for patching a hole in the hull of a moving ship |
| 06/25/1991 | CA1285127C Methods for weld repairing hollow, air cooled turbine blades and vanes |
| 06/18/1991 | CA1285006C Feed device, particularly for can bodies |
| 06/18/1991 | CA1284964C Working line for side panel for motorcar |
| 06/11/1991 | US5023427 Method and apparatus for automatically aligning proximal edges of sheets to be butt welded |
| 06/05/1991 | WO1991008064A1 Apparatus for manufacturing welded steel pipe and method of operating thereof |
| 06/05/1991 | EP0429925A2 Pipe fitting tool |
| 06/04/1991 | US5020716 Integrated brazing fixture for brazing titanium |
| 06/04/1991 | US5020714 Method and press apparatus for manufacturing |
| 05/29/1991 | CN2077772U Automatic surface welder |
| 05/29/1991 | CN2077771U Multi-purpose welded seam measuring scale |
| 05/28/1991 | US5018984 Telephone interface mounting clamp |
| 05/22/1991 | EP0427718A1 Press for holding a magnetic yoke during welding. |
| 05/15/1991 | EP0426946A2 Solder interconnects for selective line coupling |
| 05/15/1991 | EP0296151B1 Device with lifting frame for the machining of workpieces |
| 05/15/1991 | EP0290469B1 Device for automatic machining of differently-shaped parts |
| 05/15/1991 | CN2076898U Electric welding machine wrapping unit |
| 05/14/1991 | US5014901 Rotatable welding fixture and method for metal cladding tubular membrane panels |
| 05/08/1991 | EP0426267A2 Apparatus and method for making overlapping strip joints |
| 05/08/1991 | DE4031825A1 Guidance system ensures cylindrical shape of welded can bodies - by using Z=shaped grooves and rollers to overlap longitudinal edges of body prior to welding |
| 05/08/1991 | CN2076463U Electrode holders |
| 05/07/1991 | US5013880 Process for welding a follower pipe to a buried pipe string |
| 05/07/1991 | CA1283954C Apparatus to be used when welding pipes together |
| 05/07/1991 | CA1283882C Conveyor device for can bodies in a can welding machine |
| 04/30/1991 | US5011068 Automotive body framing system |
| 04/30/1991 | CA2012977A1 Apparatus and method for making overlapping strip joints |
| 04/25/1991 | DE3934961A1 Automatic indexing assembly machine for vehicle parts - workpiece is completed in two circuits of machine with relocation after first circuit |
| 04/24/1991 | CN2075572U Hydraulic clamp |
| 04/23/1991 | US5010226 Automatic seam welding apparatus |
| 04/17/1991 | EP0423069A2 Cutting head for use in a non-contact cutting process |
| 04/17/1991 | EP0422422A2 Method for automatically loading a floor conveyor |
| 04/16/1991 | US5007795 Supply head of nut feeder |
| 04/09/1991 | US5006694 Robot type apparatus for performing a plurality of operations on a work piece |
| 04/09/1991 | US5006074 Adjustable ground clamp |
| 04/09/1991 | CA1282842C Method and device for the orientation and longitudinal movement of rounded can bodies in relation to a welding apparatus |
| 04/03/1991 | EP0420018A2 Rounded cans bodies feeding device for a welding unit |
| 04/03/1991 | CN2074224U Jig for holding welding element |
| 04/02/1991 | US5004885 Apparatus for overhead submerged-arc welding |
| 04/02/1991 | US5004045 Vehicle radiator with clamping fixture to reduce deformation during brazing and method of making |
| 03/27/1991 | EP0418519A2 Reflecting mirror for a laser beam and laserbeam welding apparatus including the same |
| 03/26/1991 | US5003149 Apparatus for overhead submerged-arc welding |
| 03/20/1991 | EP0417937A1 Pipe centring device |
| 03/20/1991 | EP0417409A2 System for the opto-electrical command of a flame cutting machine |
| 03/20/1991 | CN1049995A Automatic cut-to-length sizes machine with functions of non-contact detection |
| 03/19/1991 | US5000366 Precision automatic converter welder system |
| 03/19/1991 | CA1281782C Slag removing apparatus for pad-welding machine |
| 03/14/1991 | DE3930629A1 Device for automatic parallel alignment of contact surfaces - includes support with back joint movable on air cushion etc. |
| 03/14/1991 | DE3928398A1 Butt welding rail section for improved fatigue strength - using copper support brackets at base and side to enable prodn. of fatigue resistant weld |
| 03/13/1991 | CN2072881U Igniter for gas welder |
| 03/12/1991 | US4999476 Machine for pressure welding workpieces heated with arc moving in magnetic field |
| 03/06/1991 | CN1011870B Heat insulation electrode holder |
| 03/05/1991 | US4997468 Using carbon dioxide laser |
| 02/27/1991 | EP0413790A1 Cold pressure welding method and machine. |
| 02/27/1991 | CN2071999U Imitator for training welder |
| 02/19/1991 | US4994645 Apparatus for overhead submerged-arc welding |
| 02/19/1991 | US4994644 Apparatus for overhead submerged arc welding |
| 02/19/1991 | US4993960 Grounding system and clamp |
| 02/12/1991 | US4991707 Bodyside panel handling conveyor |
| 02/06/1991 | EP0411459A1 Device for centring and clamping tubular workpieces |
| 01/30/1991 | CN2070220U Gravity welding machine frame |
| 01/24/1991 | DE3938563A1 Robotic welding unit to facilitate access - has on rotatable upper part arresting unit with lever mechanism to clamp it to conducting ring on fixed lower part |
| 01/23/1991 | EP0379596A4 Installation for pressure welding of parts heated by an arc moving in a magnetic field |
| 01/23/1991 | CN2069844U Welding wire coil winder |
| 01/22/1991 | US4986515 Burning machine |
| 01/16/1991 | CN1011207B Apparatus for storage and handling of at least one elongate flexible element, such as feeder and signal transmission cable, for automatic orbital welding machine |
| 01/09/1991 | CN2068881U Electrothermal tin absorbing device with switch |
| 01/08/1991 | US4983805 Flashless D.C. butt welding electrodes |
| 01/08/1991 | US4982892 Solder interconnects for selective line coupling |
| 01/03/1991 | DE3920465A1 Window frame mfg line - additional frame tipping operations are avoided by moving the frame to a weld dressing machine in a near vertical on end position |
| 01/02/1991 | CN2068443U Electrode holders |
| 01/02/1991 | CA1278442C Weld joint |
| 01/01/1991 | US4981252 Method and apparatus for assembling vehicle body |
| 12/27/1990 | CA1278201C Inverse welding clamp |
| 12/25/1990 | US4980213 Welded sheet material having uniform joinder seams |
| 12/19/1990 | EP0402649A1 Bolt-type boiler wall tube tool |
| 12/19/1990 | CN2067627U Insulated weld handle capable of fast displacing |
| 12/19/1990 | CN1047935A Welding device for cathode of electron gun of cathode ray tube |
| 12/13/1990 | WO1990014922A1 Installation for arc welding |
| 12/13/1990 | WO1990014919A1 Installation for inverted hidden-arc welding |
| 12/11/1990 | US4976484 Work positioning device for assembly line |
| 12/11/1990 | US4976482 Apparatus for clamping pipe or tube |
| 12/05/1990 | EP0400043A1 Process for coparallel joining of plate metal by brazing, in particular for preparing a plate-shaped heat exchanger, and holding means therefor. |
| 12/04/1990 | US4975556 Butt welding machine |
| 11/29/1990 | WO1990014181A1 Welding machine for manufacturing wire nets |
| 11/28/1990 | EP0399996A1 Machine for welding wire mesh |
| 11/28/1990 | CN2066368U Charge on-site purifyer for welding smoke ion |
| 11/27/1990 | US4973823 In a tube clamping device |
| 11/27/1990 | US4973817 Method of and apparatus for assembling vehicle body |
| 11/27/1990 | US4973089 Apparatus and method for making overlapping strip joints |
| 11/27/1990 | US4972987 Plant equipped with revolving tool assemblies for welding automotive vehicle bodies in a single processing station |
| 11/15/1990 | DE3915752A1 Pipe connection with outer attachment - has seal insert with clamping claw and jaws, and lugs, levers and tension pieces |
| 11/15/1990 | DE3915046A1 Chain conveyor transports e.g. circuit boards through soldering zone - using conveyor tracked workpiece carriers movable between track sections so as to minimise escape to treatment medium from zone |
| 11/07/1990 | CN1046694A Local purification of charged dust ion from electric welding |
| 10/31/1990 | EP0394282A1 Z-bar for forming can material. |
| 10/25/1990 | DE3913366A1 Flexible welding jig for ornamental work - is based on building block principle and uses magnetically attached locating pieces |
| 10/24/1990 | CN1046305A Electrode holders without burning hand |
| 10/24/1990 | CN1046304A Quick releasable ground and rod clamp for welding |
| 10/18/1990 | DE3936569A1 Pipe connector for two pipe ends - has sealing sleeve producing outwardly sealed gas-conveying bridging member |