Class 219/137.44 - Having integral electrode guide

Subclass of Class 219 - Electric heating
Definition: Subject matter including means to direct an electrode through
No. of patents: 28
Last issue date: 03/11/2008

Number	Title	Issue Date
7342200	Torch for arc welding A welding torch has a nozzle; a contact tip positioned within the nozzle; a tube extending from the nozzle; wherein the tube has a gooseneck portion having a radius, and the tube has a second portion adjacent the nozzle which has a longitudinal axis which is substan...	03/11/2008
7262386	Method of pulse welding and contact tip therefor A contact tip for a welding gun having a central passage for a welding wire moving in a given direction toward a workpiece and receiving a welding signal by contact of the wire with the tip. The passage has an innermost end, an outermost exit end and a length of at ...	08/28/2007
7230203	Protective cap for a contact pipe in a welding torch in addition to a welding torch equipped with said cap The invention relates to a protective cap for at least one contact pipe of a welding torch, the pipe or pipes having a respective bore for guiding and contacting a respective welding rod that is fed through the pipe or pipes. The cap comprises a housing consisting o...	06/12/2007
7176412	Taper locking features between components of a welding device Locking engagement connections between various components of a welding device can include tapered features having varied thread patterns and/or varied angles to ensure that the components remain tight during service. For example, locking engagement connections can b...	02/13/2007
6998575	Welding gun An in-line welding gun includes a mounting block, a wire feed mechanism and a torch barrel. A motor is positioned behind the mounting block along a longitudinal axis of the gun. The torch barrel curves away from the longitudinal axis. The motor and the torch barrel ...	02/14/2006
6943318	Welding tip for arc welding and arc welding apparatus A contact provided in a welding tip of an arc welding apparatus includes a tip body adapted to be mounted to a welding torch body and a tip end member formed integrally therewith. The tip end member is divided into two parts, i.e., first and second halves by means o...	09/13/2005
6525297	Mig gun nozzle with reduced cross-sectional area at the front A MIG welding gun has a diffuser with an external thread and a frusto-conical back ramp. A nozzle assembly includes an insert with a back ramp and a thread that mates with the diffuser thread. The threads of the diffuser and insert have respective ramps t...	02/25/2003
4945208	Carbon dioxide welding gun The present invention relates to an improved carbon dioxide welding gun which is equipped with a two-piece bushing machanism (50) where a welding nozzle (10) is easily detached or inserted into operative condition in an efficient manner. The two-piece bus...	07/31/1990
4918286	Method and apparatus for cleaning and lubricating a metal inert gas welding gun A method and apparatus for cleaning a metal inert gas arc welder gun of a type having a housing and a flexible conduit disposed in the housing. The flexible conduit has a first end for feeding a consumable welding wire therethrough and a second end adapte...	04/17/1990
4733052	Contact tip welding electrode A contact tip for supporting a consumable welding electrode and for supplying welding current thereto. The contact tip is generally rod-shaped and has a passage with a helical contact surface. The welding electrode is fed through the passage and makes ele...	03/22/1988
4667083	Torch for preheating a continuously fed welding wire A torch for use in welding has a first embodiment for gas metal arc welding and a second embodiment used for hot wire gas-tungsten arc welding. Both embodiments include a torch housing having a first and second end. A wire guide tube is centrally disposed...	05/19/1987
4590358	Apparatus for electrically isolated hot wire surfacing processes The present invention is directed to an improvement for an apparatus which utilizes a preheating step in which the wire heat content of a consumable electrode is increased by means other than the welding current. Thus, the invention provides in combinatio...	05/20/1986
4575612	Arc welding guide tube with non-adhesive tip A guide tube for guiding a wire (23) of filler metal in an arc welding machine and for applying arc current thereto comprises a metal body (80) having a longitudinal bore (82) through which the wire passes. Near the front end of the tube there are two tra...	03/11/1986
4563569	Gas shielded arc welding torch with consumable electrode wire A gas shielded arc welding torch is described which uses a consumable electrode wire. A cylindrical support member carries a guide tube for guiding the electrode wire through the torch. An electrical contact member is pivotably mounted at the end of the t...	01/07/1986
4560858	Long wearing contact tip for inert gas arc welding A long wearing contact tip for an inert gas arc welder comprises an elongated cylindrical copper member having a longitudinal bore therethrough. A portion of the bore is enlarged for receiving a steel liner formed of either spiral wound steel wire or stee...	12/24/1985
4554432	Components for gas metal arc welding gun A gas metal arc welding gun includes a power cable in which the power conductors are asymmetrically distributed in a crescent between a gas conduit and a sheath in order to improve flexibility of the power cable. The welding gun includes a head assembly w...	11/19/1985
4553013	Gas seal for MIG gun systems A gas seal for a MIG gun system for preventing the leakage of shielding gas out the rear end thereof which includes a connector assembly, which seal is embodied in an elongated tubular member which has an outside diameter sized to be positioned extending ...	11/12/1985
4303821	Strip welding for butt joints A welding apparatus in combination with a submerged arc welding head and a plurality of welding ribbons having an adapter plate attached to the welding head and a vertical brace attached to the adapter plate. A plurality of jaw assemblies are pivotally co...	12/01/1981
4282419	Consumable electrode welding torch with polygonal contoured electrode guide A welding torch for arc welding includes a housing, a contact tube having a polygonal cross-section disposed in the housing, and a securing device for replaceably securing the contact tube within the housing....	08/04/1981
4225772	Gas metal arc welding apparatus for repairing misaligned tube holes A welding apparatus including a nozzle assembly having a contact extension and a contact tip for guiding a consumable welding wire into a tube hole. The consumable welding wire is guided into the tube hole and an electric current is passed to the wire to ...	09/30/1980
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
4208564	Nozzle structure of electroslag welding machines A nozzle structure of electroslag welding machines for use in welding planks having heavier thicknesses compared to previously electroslag welded planks, and having as much as 800 mm thicknesses, in which the nozzle structure is formed of a plurality of b...	06/17/1980
4158763	Curved nozzle welding gun A welding gun has a separable nozzle embodying longitudinally curved inner and outer concentric sleeves, and fore and aft-mounted bodies to which the opposed ends of the concentric sleeves are brazed to define an annular gas manifold between the sleeves i...	06/19/1979
4144443	Apparatus for horizontal fillet welding of steel plates A method and apparatus for horizontal fillet welding of steel plates, particularly coated or painted steel plates, in which two spaced apart welding wires are directed toward the line of intersection of a vertical steel plate and a horizontal steel plate ...	03/13/1979
4128754	Arc spray welding replaceable electrode tip Method and article of manufacture for replacing arc spray welding electrode ips which are subject to excessive wear due to heat and friction. In one form this consists of providing an elongated holder for receiving a threaded tip portion and in another for...	12/05/1978
4122328	Device and welding torch for plasma-mig-welding A compact plasma-MIG welding torch in which the contact tube and the nozzle are directly connected together electrically, thereby enabling welding with a very short extension of the welding wire....	10/24/1978
4024374	Guide tube for an arc welding gun Guide tube for an arc welding gun. The normal threaded connection between the guide tube in an arc welding gun and the holder for same has been improved for the purposes of electrical transmission by utilizing tapered threading for same. Particularly it h...	05/17/1977
4024369	Dual size wire arc spray gun An arc spray gun in which the ends of two metal wires, respectively connected to opposite terminals of a DC power source, are fed to an intersection point to strike and maintain an electric arc, melting the wires. A gas jet directed at the intersection po...	05/17/1977

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Class 219/137.44 - Having integral electrode guide