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| Number | Title | Issue Date |
| 7252297 | Safety welding cart A safety welding cart structure having a metal box for holding pressurized gas cylinders, a firewall separating the cylinders, individual clamping devices to secure the cylinders, and shelves extending from the back of the box forming a cart set upon a four-wheeled ... | 08/07/2007 |
| 6930282 | Welding accessory arrangement A welding accessory system for a welder that includes a welder having a welder housing and at least one welding accessory support connected to the welder housing to support at least one welding accessory of a welder. The one or more welding accessory supports includ... | 08/16/2005 |
| 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 configured for operation in a plurality of welding application... | 11/18/2003 |
| 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 electrical communication with the power supply and is adap... | 06/04/2002 |
| 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 metal wire and the metal powder is a metal powder containing... | 12/18/2001 |
| 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 end. Exterior threads are provided for attaching the first... | 06/11/1996 |
| 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 below at different pressures along the joint being welded, a co... | 12/03/1991 |
| 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 of swinging with respect to its longitudinal and transvers... | 07/09/1991 |
| 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 principle; an adjustable amount of ambient air is drawn in t... | 06/04/1991 |
| 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 work being welded, a rear wall of the bowl in the welding di... | 04/02/1991 |
| 5003149 | Apparatus for overhead submerged-arc welding An apparatus for overhead submerged-arc welding has a rotatable hopper containing flux and accommodating a bowl communicating with a driven auger feeder having an auger rotating at a constant speed. In the bowl is extended a welding nozzle for a consumabl... | 03/26/1991 |
| 4994645 | Apparatus for overhead submerged-arc welding An apparatus for overhead submerged arc welding having a pivotally mounted hopper containing flux and accommodating a bowl which has its open part facing towards a work being welded and communicating with a driven auger feeder for supplying and pressing t... | 02/19/1991 |
| 4994644 | Apparatus for overhead submerged arc welding An apparatus for overhead submerged arc welding has a hopper containing flux being pivotally mounted on a suspension for rotation about the suspension axis, the hopper having a bowl provided in the top part thereof, a welding head with a nozzle for supply... | 02/19/1991 |
| 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 device, the feeder converting an intermittent feed to a contin... | 02/02/1988 |
| 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 its own independent control, the feeding elements powered by... | 09/23/1986 |
| 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 wires. The process produces a weld metal which has unexpec... | 02/25/1986 |
| 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 wheel assemblies. A long rigid bridge spaced above the beam c... | 10/29/1985 |
| 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 gap between the edges, the weld metal being held in a liqu... | 06/12/1984 |
| 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 joint to be welded, on the base; a welding wire guide for di... | 11/08/1983 |
| 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, good strength and toughness of the welded joint, in which pro... | 01/11/1983 |
| 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 welding wire is disclosed. The welding flux comprises 20 to 30 w... | 12/14/1982 |
| 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 vessel in a vertical position.... | 10/12/1982 |
| 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 distort creating gaps. Granular flux bleeds through these gap... | 09/14/1982 |
| 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 to said nozzle. A flux tube is also disposed within the b... | 08/31/1982 |
| 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 hoppers are separated by a drop stop which selectively pe... | 08/03/1982 |
| 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 with a pressure mechanism consisting of a pressure cylinder ... | 04/27/1982 |
| 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 consists essentially of 2.0 to 3.5 wt. % manganese; 0.01 w... | 03/17/1981 |
| 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 speeds, and avoids contamination of the deposited weld metal by ... | 01/20/1981 |
| 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 forth and back at substantially constant angular velocity betw... | 09/23/1980 |
| 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 flux is also brought up to the vacuum tank, both sources of f... | 09/09/1980 |
| 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 to be joined and forming a narrow gap are initially welded ... | 07/15/1980 |
| 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 dam and electrical welding along the weld groove while addi... | 06/17/1980 |
| 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 consumable electrode is supplied from the underside of the... | 05/08/1979 |
| 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 internally in any configuration, such as tubular, heart-shape... | 05/03/1977 |
