Patents
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)
06/1991
06/26/1991CN2079555U Carriage for supporting contact roller
06/25/1991US5026966 Bath or shower
06/25/1991US5025972 Apparatus for patching a hole in the hull of a moving ship
06/25/1991CA1285127C Methods for weld repairing hollow, air cooled turbine blades and vanes
06/18/1991CA1285006C Feed device, particularly for can bodies
06/18/1991CA1284964C Working line for side panel for motorcar
06/11/1991US5023427 Method and apparatus for automatically aligning proximal edges of sheets to be butt welded
06/05/1991WO1991008064A1 Apparatus for manufacturing welded steel pipe and method of operating thereof
06/05/1991EP0429925A2 Pipe fitting tool
06/04/1991US5020716 Integrated brazing fixture for brazing titanium
06/04/1991US5020714 Method and press apparatus for manufacturing
05/1991
05/29/1991CN2077772U Automatic surface welder
05/29/1991CN2077771U Multi-purpose welded seam measuring scale
05/28/1991US5018984 Telephone interface mounting clamp
05/22/1991EP0427718A1 Press for holding a magnetic yoke during welding.
05/15/1991EP0426946A2 Solder interconnects for selective line coupling
05/15/1991EP0296151B1 Device with lifting frame for the machining of workpieces
05/15/1991EP0290469B1 Device for automatic machining of differently-shaped parts
05/15/1991CN2076898U Electric welding machine wrapping unit
05/14/1991US5014901 Rotatable welding fixture and method for metal cladding tubular membrane panels
05/08/1991EP0426267A2 Apparatus and method for making overlapping strip joints
05/08/1991DE4031825A1 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
05/08/1991CN2076463U Electrode holders
05/07/1991US5013880 Process for welding a follower pipe to a buried pipe string
05/07/1991CA1283954C Apparatus to be used when welding pipes together
05/07/1991CA1283882C Conveyor device for can bodies in a can welding machine
04/1991
04/30/1991US5011068 Automotive body framing system
04/30/1991CA2012977A1 Apparatus and method for making overlapping strip joints
04/25/1991DE3934961A1 Automatic indexing assembly machine for vehicle parts - workpiece is completed in two circuits of machine with relocation after first circuit
04/24/1991CN2075572U Hydraulic clamp
04/23/1991US5010226 Automatic seam welding apparatus
04/17/1991EP0423069A2 Cutting head for use in a non-contact cutting process
04/17/1991EP0422422A2 Method for automatically loading a floor conveyor
04/16/1991US5007795 Supply head of nut feeder
04/09/1991US5006694 Robot type apparatus for performing a plurality of operations on a work piece
04/09/1991US5006074 Adjustable ground clamp
04/09/1991CA1282842C Method and device for the orientation and longitudinal movement of rounded can bodies in relation to a welding apparatus
04/03/1991EP0420018A2 Rounded cans bodies feeding device for a welding unit
04/03/1991CN2074224U Jig for holding welding element
04/02/1991US5004885 Apparatus for overhead submerged-arc welding
04/02/1991US5004045 Vehicle radiator with clamping fixture to reduce deformation during brazing and method of making
03/1991
03/27/1991EP0418519A2 Reflecting mirror for a laser beam and laserbeam welding apparatus including the same
03/26/1991US5003149 Apparatus for overhead submerged-arc welding
03/20/1991EP0417937A1 Pipe centring device
03/20/1991EP0417409A2 System for the opto-electrical command of a flame cutting machine
03/20/1991CN1049995A Automatic cut-to-length sizes machine with functions of non-contact detection
03/19/1991US5000366 Precision automatic converter welder system
03/19/1991CA1281782C Slag removing apparatus for pad-welding machine
03/14/1991DE3930629A1 Device for automatic parallel alignment of contact surfaces - includes support with back joint movable on air cushion etc.
03/14/1991DE3928398A1 Butt welding rail section for improved fatigue strength - using copper support brackets at base and side to enable prodn. of fatigue resistant weld
03/13/1991CN2072881U Igniter for gas welder
03/12/1991US4999476 Machine for pressure welding workpieces heated with arc moving in magnetic field
03/06/1991CN1011870B Heat insulation electrode holder
03/05/1991US4997468 Using carbon dioxide laser
02/1991
02/27/1991EP0413790A1 Cold pressure welding method and machine.
02/27/1991CN2071999U Imitator for training welder
02/19/1991US4994645 Apparatus for overhead submerged-arc welding
02/19/1991US4994644 Apparatus for overhead submerged arc welding
02/19/1991US4993960 Grounding system and clamp
02/12/1991US4991707 Bodyside panel handling conveyor
02/06/1991EP0411459A1 Device for centring and clamping tubular workpieces
01/1991
01/30/1991CN2070220U Gravity welding machine frame
01/24/1991DE3938563A1 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
01/23/1991EP0379596A4 Installation for pressure welding of parts heated by an arc moving in a magnetic field
01/23/1991CN2069844U Welding wire coil winder
01/22/1991US4986515 Burning machine
01/16/1991CN1011207B Apparatus for storage and handling of at least one elongate flexible element, such as feeder and signal transmission cable, for automatic orbital welding machine
01/09/1991CN2068881U Electrothermal tin absorbing device with switch
01/08/1991US4983805 Flashless D.C. butt welding electrodes
01/08/1991US4982892 Solder interconnects for selective line coupling
01/03/1991DE3920465A1 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
01/02/1991CN2068443U Electrode holders
01/02/1991CA1278442C Weld joint
01/01/1991US4981252 Method and apparatus for assembling vehicle body
12/1990
12/27/1990CA1278201C Inverse welding clamp
12/25/1990US4980213 Welded sheet material having uniform joinder seams
12/19/1990EP0402649A1 Bolt-type boiler wall tube tool
12/19/1990CN2067627U Insulated weld handle capable of fast displacing
12/19/1990CN1047935A Welding device for cathode of electron gun of cathode ray tube
12/13/1990WO1990014922A1 Installation for arc welding
12/13/1990WO1990014919A1 Installation for inverted hidden-arc welding
12/11/1990US4976484 Work positioning device for assembly line
12/11/1990US4976482 Apparatus for clamping pipe or tube
12/05/1990EP0400043A1 Process for coparallel joining of plate metal by brazing, in particular for preparing a plate-shaped heat exchanger, and holding means therefor.
12/04/1990US4975556 Butt welding machine
11/1990
11/29/1990WO1990014181A1 Welding machine for manufacturing wire nets
11/28/1990EP0399996A1 Machine for welding wire mesh
11/28/1990CN2066368U Charge on-site purifyer for welding smoke ion
11/27/1990US4973823 In a tube clamping device
11/27/1990US4973817 Method of and apparatus for assembling vehicle body
11/27/1990US4973089 Apparatus and method for making overlapping strip joints
11/27/1990US4972987 Plant equipped with revolving tool assemblies for welding automotive vehicle bodies in a single processing station
11/15/1990DE3915752A1 Pipe connection with outer attachment - has seal insert with clamping claw and jaws, and lugs, levers and tension pieces
11/15/1990DE3915046A1 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
11/07/1990CN1046694A Local purification of charged dust ion from electric welding
10/1990
10/31/1990EP0394282A1 Z-bar for forming can material.
10/25/1990DE3913366A1 Flexible welding jig for ornamental work - is based on building block principle and uses magnetically attached locating pieces
10/24/1990CN1046305A Electrode holders without burning hand
10/24/1990CN1046304A Quick releasable ground and rod clamp for welding
10/18/1990DE3936569A1 Pipe connector for two pipe ends - has sealing sleeve producing outwardly sealed gas-conveying bridging member