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6649858 Multi-application welding system and method  
A welding gun includes a welding handle and at least one interchangeable assembly. A plurality of interchangeable assemblies are securable to the welding handle to enable the welding gun to be...
6399912 Method and apparatus for submerged arc welding  
A welding apparatus for submerged arc welding is disclosed. The welding apparatus includes a welding power supply and a wire feeder in electrical communication with the power supply. A torch is in...
6331688 Use of a metal powder for surface coating by submerged arc welding  
The present invention concerns the use of a pre-alloyed atomised powder in combination with at least one melting electrode wire in the SAW method. The electrode wire is an unalloyed or low-alloy...
5525773 Adaptor for use with a submerged arc welder  
An adaptor for use with a submerged arc welder is described which includes a wire feed tube and a flux feed tube. The wire feed tube is at least one foot in length and has a first end and a second...
5070225 Method for overhead submerged arc welding and apparatus to implement the same  
The invention relates to technology and equipment for arc welding. A method of overhead submerged arc welding consists in that flux at the wing site is pressure-fed to the joint being welded from...
5030817 Apparatus for overhead submerged arc welding  
An apparatus for overhead submerged-arc welding includes a driven trolley supporting a vertical slide with a carriage. On the carriage (22) is mounted an arm on the end of which with a possibility...
5021149 Process and device for processing granulated materials  
A process and a device are used to process granulated materials such as abrasives for centrifugal wheel cleaning systems or welding powder for welding machines. Operation is based on the suction...
5004885 Apparatus for overhead submerged-arc welding  
An apparatus for overhead submerged-arc welding a hopper containing flux and accommodating a bowl having means for supplying flux and its pressing and having its open upper part facing towards a...
4723060 Feeder equalizer and homogenizer  
An improved feeder for feeding particulate materials to a weld zone wherein the particles of different materials fed are in desired proportions to each other at any cross-section of the outlet...
4613741 Feeder for welds  
A feeder for feeding alloy materials and electrode wire to a weld zone for deposition in desired amounts including a plurality of independent feeding elements, each feeding element controlled by...
4572936 Submerged arc welding process  
In a submerged arc multiple wire welding system, only one or two of the welding wires used are over or microalloyed wires. The other wires are commercially available unalloyed or low-alloyed solid...
4550244 Large plate arc welder  
A submerged arc welding machine in which the edges of plates to be butt welded are supported on a channel fixed on a long rigid foundation beam. The plates are otherwise held on inverted caster...
4454406 Method, welding flux, and apparatus for electroslag welding  
The invention provides a method for electroslag welding of light metals, which includes establishing a slag bath, fusing an electrode and edges to be weld-joined, and filling with molten metal the...
4414459 Method and apparatus for overhead welding  
Apparatus for overhead welding a first metal plate to a second metal plate comprising a base; an electrically insulated support for granular flux, adapted to span and cover with flux an overhead...
4368371 Process for the submerged-arc welding of light metals such as aluminum and aluminum alloys  
A welding process for joining aluminum materials in a horizontal welding position, without preheating, this process being highly economical and characterized by minimal environmental pollution,...
4363951 Both-side single layer, high speed submerged arc welding process  
A process for both-side single layer, high speed submerged arc welding of steel plate for use in low-temperature applications having a particular chemical composition with a welding flux and...
4354087 Welding powder feed device  
A combination for feeding welding powder from a welding tractor for arc welding over a vertical to horizontal curved surface includes a pivotable powder vessel and a mechanism for maintaining the...
4349717 Flux dam assembly and method  
The flux dams used to form mounds of granular flux in submerged arc welding deteriorate rapidly because they are subjected to elevated temperatures and high heat. These flux dams also twist and...
4347427 Submerged arc welding gun  
A submerged arc welding gun includes a housing having a bore extending therethrough. The housing includes a welding nozzle defining one end. Welding wire is directed through the bore of the housing...
4342897 Recovery type flux feeding assembly  
A recovery type flux feeding assembly is disclosed. The assembly includes a virgin flux hopper and a waste flux hopper with a flux feed conduit connected to the bottom of the waste flux hopper. The...
4327270 Submerged-arc spot welding apparatus  
Submerged-arc spot welding apparatus has a carriage for supporting a welding means which is displaceable along a track disposed above a bed or table supporting the work. The carriage is provided...
4256949 Method and wire for submerged arc welding of pipe  
A combination of welding wire and welding flux for submerged arc welding of high strength low alloy pipe which require low temperature impact properties of at least 30 ft./lb. at -13° F. The wire...
4246463 Method and apparatus for arc welding of metal plates from one side only  
An apparatus for arc welding of a pair of spaced steel plates from one side only using a grooved back-up plate which gives a good weld bead shape on the under side, gives high linear welding...
4223824 Method of multi-bead welding of two workpieces and apparatus for carrying out the method  
An apparatus for multi-bead welding of two rotating workpieces comprises a flat filler wire holder which can be introduced into the gap between the workpieces and which is periodically pivoted...
4221957 Welding flux closed loop system  
Granulated welding flux is supplied under fluid pressure from a reservoir mounted at a convenient location for reloading. The reservoir is connected to an elevated vacuum tank. Recovered excess...
4213025 Apparatus for connecting metallic parts by means of arc fusion welding  
An apparatus for connecting metallic parts, and metallic parts so produced, by means of arc fusion welding by producing a low volume welding seam (narrow gap welding), wherein the workpiece parts...
4208563 Welding method using a break away flux dam  
The invention relates to an improvement in a method of welding a first workpiece to a second workpiece which comprises utilizing the flux dam composition on each side of a weld groove to define a...
4153832 Overhead submerged arc welding process  
The present disclosure relates to an overhead submerged arc welding process wherein a flux for the submerged arc welding is supplied from the underside of the welding line while at the same time a...
4021637 Flux-cored wires for electrogas welding  
In flux-cored wire electrodes for vertical automatic welding, from bottom to top, there is an electric arc under gaseous protection, the wires having diameters of 1 to 4 mm and generally shaped...
3926788 Flux recovery unit  
Disclosed is a welding apparatus having a flux hopper with a flux recovery unit attached over the open top of the hopper. A venturi chamber is formed in the unit and is connected to a source of...
3890482 Apparatus for welding together substantially vertically extending pipe sections  
An apparatus for welding together substantially vertically extending pipe sections comprising at lease one weld metal depositing means mounted on a carriage, and a support ring fastened about one...
3859495 SUBMERGED-ARC WELDING MACHINE  
A submerged-arc welding machine comprises a welding head pivoted to a frame of the machine so as to be rockable across the seam of a workpiece being welded, and a vertically movable oscillation...
3804245 APPARATUS FOR CLASSIFICATION OF PARTICULATE MATERIALS  
An enclosed Hopper connected to a vacuum source is fitted with an inclined vibratory screen. A flexible conduit delivers material from a point of consumption to impinge on an abrasion resistant...
3670139 WELDING HEAD  
A welding head having a wire guide tube, through which a welding wire extends, located in and positioned longitudinally of a housing with its wire discharge and in alignment with a flux discharge...
3582599 INTERNAL WELDING TOOL  
A welding head construction for use with typical traveling head automatic welding equipment to form submerged or shielded arc welds internally in confined spaces too small to receive the usual...
3582601 PROCESS FOR SUBMERGED ARC WELDING  
A submerged arc-welding process performed on adjacent longitudinal edges of a pipe blank. Two submerged arc-welding units are supported on carriages which move on a stationary travel beam over the...
3560698 ADJUSTABLE WELDING HEAD ARRANGED TO FOLLOW A LAPPED SEAM  
A welding head assembly has a pair of rigidly connected, bifurcated, open-ended tubes with rollers which bear against one side of a plate projecting from the base plate to which it is to be welded....
3517155 METHOD OF SUBMERGED-ARC WELDING OF THICK METALLIC PLATES  
3517156 WELDING APPARATUS AND METHOD  
3493713 ELECTRIC ARC OVERLAY WELDING  
3475585 WELDING APPARATUS EMPLOYING SINGLE POWER SUPPLY FOR STRAIGHT AND REVERSE WELDING POLARITIES  
3467809 WELDING APPARATUS FOR FORMING PANELS OF TUBES  
3444352 ADJUSTABLE WELDING HEAD ARRANGEMENT  
3439147 METHOD OF AND APPARATUS FOR ARC WELDING TUBULAR MEMBERS TO FORM AN INTEGRAL PANEL  
3420979 SUBMERGED ARC WELDING APPARATUS  
3418446 Electric arc welding electrodes and process  
3415975 Particle feeding mechanism for an electrical welding device  
3339056 Machine and method of applying metal layer  
3308266 Method and apparatus for welding of rails  
3305663 Work supporting means in welding apparatus  
Matches 1 - 50 out of 71 1 2 >