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Match Document Document Title
8164020 Electrode and its use in a metal disintegrator  
A graphite electrode and a holder for the electrode for use in a metal disintegrator, the electrode having a hollow columnar body with a skirt wall open at one end, the skirt wall having a...
8129651 Adapter converting a conventional oxy-fuel cutting torch to an exothermic cutting torch  
An adapter, and the method of using the same, is disclosed for converting a oxy-fuel cutting torch to an exothermic or air lance cutting torch. The oxy-fuel cutting torch is converted by removing...
7900341 Method of manufacturing hard disk recording device using patterned medium  
A high yield in a manufacture of an HDD having a high recording density and using a patterned medium by a trench-like or a dot-like pattern is realized. In this HDD manufacturing method, a magnetic...
7717104 Handheld device for fast electrical ignition of a charcoal grill  
A device comprising an improved electrical hot-air gun for fast ignition of the charcoal-bed of a barbeque charcoal grill for home use having a very short distance between the front of the hot-air...
7487581 Method of manufacturing an inverter device  
By providing a plurality of semiconductor chips that are connected in parallel and constitute one arm of an inverter; a first conductor to which a face on one side of said plurality of...
7356907 Method of manufacturing a carriage assembly of a hard disk drive  
A method of manufacturing a cartridge assembly of a hard disk drive, including a step of forming a part of a wiring circuit into flying leads and a step of forming a coating layer on the respective...
6730873 Oxy-carbon arc cutting electrode  
A consumable, oxy-carbon arc cutting electrode to be used in an oxygen exothermic torch for cutting both ferrous and non-ferrous metals. The cutting electrode includes a hollow, outer copper clad...
6233301 Jet pump sensing line T-bolt clamp electrode discharge machining tool  
An electrode discharge machining (EDM) apparatus for machining slots in a jet pump diffuser in a nuclear reactor pressure vessel is described. The apparatus is configured to machine a plurality of...
6184492 Welding electrode holder for coated electrodes  
Welding electrode holder comprising an electrically conducting body with positioning seats of electrodes and welding cable connection position, an insulating tubular handle where the back part of...
5942133 Holder for a carbon arc electrode  
An improved holder for a carbon arc electrode has a tubular handle that receives an electrical conductor and a hose for conducting air under pressure. An insulation block is affixed to the forward...
5532449 Using plasma ARC and thermite to demolish concrete  
A plasma arc can be employed to demolish a concrete structure at a high efficiency, while preventing a secondary problem due to noise, flying dust and chips, and the like. The concrete structure...
5122631 Electrode holder for air arc gouging torch  
A holder (10) for an electric arc gouging electrode comprises an elongate body (12) having a front end and a rear end. An electrically conductive tube (14) for receiving an electrode (31) therein...
5097108 Conversion convergent nozzle assembly  
A convergent nozzle assembly (10) includes a generally cylindrically-shaped nozzle (52) engaged over a diffuser (40) extending forwardly from the gooseneck (26) of a hand piece (22) of a continuous...
5077456 Portable device for cutting the inside wall of a tube by a continous arc  
A spark disintegrator tube cutter comprises a housing having a shaft with armature rotatably mounted in the housing. A conductive base which is electrically connected to a post accessible from...
5064986 Cordless exothermic rod ignition system  
A cordless hand held exothermic rod ignition system including a housing containing a direct current power source to permit contact by an exothermic rod to initiate an arc between one end of the...
5043552 Cutting electrode for underwater and land use  
The present invention relates to an exothermic cutting electrode. The electrode includes an outer hollow conductor, an inner conductor disposed inside the and outer hollow conductor. The inner...
5021624 Cutting tools for conventional and MIG electric welders  
Cutting tools for MIG (metal-inert gas) welders and conventional electric arc welders which provide clean and fast cutting action of ferrous and other oxidizable materials using only a directed...
5003146 Universal fitting for metal disintegration electrodes  
A universal fitting for electrodes for use with electric arc metal disintegrator apparatus. The fitting accommodates all sizes of electrodes used with metal disintegrator apparatus and enables...
4985610 Cutting torch  
A cutting device which includes an external tube, an internal tube disposed within the external tube, and a number of steel rods or wires housed within the internal tube. A squib, with or without...
4973809 Cutting and gouging electrode  
An improved electrode construction for use in cutting and gouging where air under high pressure is used to blow away molten metal. The improvement in a structure where a carbon is employed with a...
4948935 Apparatus for use with a carbon arc torch to retain short electrodes  
An apparatus for carbon arc electrodes which permits the use of short length electrodes, having a body member for connection to an electrical energy source so that the body member may be manually...
4918278 Joinable arc gouging electrodes with indicator for indicating, during use, when arc is a predetermined distance from end of electrode; and method of using same  
Method and Apparatus for using successively joined carbon electrodes (that are not coated with a metal) shaped with a projection at one end and a socket at the other end. In order for the user to...
4916270 Mig welder cutting head attachment  
A metal cutting nozzle attachment for an inert gas welder converting the welder into a metal cutting apparatus having the welding flux core wire energized to become the cutting element and the...
4864093 Exothermic cutting electrode  
An exothermic cutting electrode or burning bar having an oxidizable metal fluid conduit (tube) surrounded by alternate layers of wire wound helically in opposite directions, the entire structure...
4812610 Adaptor for converting oxy-fuel cutting torches to exothermic cutting  
The cutting tip of a conventional oxy-fuel cutting and welding torch is replaced by the adaptor of the invention to convert the torch for using exothermic cutting rods or electrodes for erothermic...
4797528 Vacuum carbon arc metal removal process and apparatus  
A process and apparatus for cutting and gouging a workpiece wherein solely a vacuum is used as the operative molten metal removal force. Isolating the atmosphere surrounding the arc as it melts the...
4780944 Method and tool for the freeing of parts held fast together  
A method and a tool for freeing of parts held fast, especially for freeing of bolts and nuts rusted fast under water. According to the invention an electric arc is created between the rotating...
4761531 Torch with improved air flow  
A holder for an arc-forming electrode which directs the flow of air in the direction toward the arc formed by the electrode, the holder being formed of an elongated metallic body having an air...
4721837 Cored tubular electrode and method for the electric-arc cutting of metals  
A flux cored tubular metallic arc cutting electrode having a steel tube with a core composition of particulate carbonaceous material which is drawn and compacted within the steel tube by reducing...
4660807 Wrapped thermal torch and method  
A consumable thermal torch includes inner and outer casings having a first gas flow passage defined therebetween. At least one burning rod is received in the inner casing further defining second...
4654496 Underwater oxy-arc cutting system using a non-thermic cutting rod  
An improved system for underwater oxy-arc cutting of a work piece, and a unique cutting rod used in such cutting work. This rod has an outer ferrous metal tube which contains a metal liner, which...
4608477 Electric arc saw apparatus  
A portable, hand held electric arc saw has a small frame for supporting an electrically conducting rotary blade which serves as an electrode for generating an electric arc to erode a workpiece....
4597563 Tool holder for thermic cutting rods  
Tool holder, preferably for a thermic cutting rod, having an attachment for the rear end of the rod, a supply of oxygen to the rear end of the rod passing through the same to its front end. There...
4571478 Electrode drive and nozzle system for an automatic air carbon-arc cutting and gouging torch  
An automatic air carbon-arc cutting and gouging torch having a fixed drive wheel for moving an electrode through an insulated housing and through a nozzle adapted to conduct air in a semi-circular...
4565914 Method and apparatus for demounting a spot welded metal plate  
A method and apparatus for demounting a metal plate spot welded to a metal member. In accordance with the method, a hollow electrode rod is placed in opposition to the periphery of a spot weld...
4555615 Carbon rod assembly for arc gouging and blasting of metallic article  
A carbon rod assembly is disclosed which includes a first carbon rod piece having a projection at one end thereof and a second carbon rod piece having a socket hole at one end thereof. External and...
4541616 Thermal burning rod  
An improved rod for a thermal cutting or burning torch, especially suited for underwater use, is shown to have a metallic outer tube sheath containing exothermic fuel elements within the interior...
4540225 Swivel cable coupling for an air carbon-arc cutting and gouging torch  
A swivel coupling of the type for mounting a concentric cable consisting of an electrical conductor inside of an insulated conduit to an apparatus such as an air carbon-arc cutting and gouging...
4517440 Underwater electrode with waterproof integrity  
An electrode for use in cutting or gouging workpieces underwater by means of an electric arc comprising a generally elongated porous substrate, with a circumferential recess proximate one end to...
4493970 Slag and fume collector for air carbon-arc cutting and gouging torches  
A method and apparatus for collecting molten metal and/or slag together with fume generated by the air carbon-arc cutting and gouging process. The method and apparatus are characterized in that a...
4485287 Method of making a hole in a thick-walled metal material  
A process of making a hole in a metal material of a large thickness comprises bringing the tip of an arc electrode wire into contact with the metal material while laterally reciprocating the arc...
4464555 Torch, useful in air-carbon arc processes  
A torch, useful in air-carbon arc processes has a holder (9, 11) for an electrode (E) and gas control means comprising a venturi air injector (4), arranged to pass both compressed air (F) and...
4416444 Underwater cutting rod  
A tubular electrode for use in a cutting torch which is primarily used in underwater cutting operations comprising a cutting rod made from tubing produced by rolling and forming copper coated sheet...
4395617 Successively joinable carbon electrode for gouging metals  
A successively joinable carbon electrode for use in gouging or blasting metallic articles comprises a copper coated electrode body having one end formed into a coaxial connecting projection and the...
4393297 Method for the arc cutting of metal  
Disclosed is an improved method for arc cutting of metal, more specifically a method in which an electric arc is formed between the metal and a cutting torch and gas is blown into the cut during...
4388514 Method for collecting process generated fume and/or slag  
Method and system for collecting fume and/or waste particulate matter generated in a process used to surface treat, cut, gouge or join a workpiece by means of elevated temperature (e.g. electric...
4371771 Cutting torch and method  
A cutting torch and method for cutting or removing a material in which a high-velocity reactive gas stream is used to promote combustion of the material whereby a hollow elongated structure with an...
4361746 Underwater cutting and welding torch  
An underwater cutting and welding torch including a one-piece insulating body anatomically shaped for the hand of a user including positive means to prevent water from contacting the electrically...
4317024 Adjustable air-carbon arc torch  
A torch for a carbon electrode, the torch having a body with a conductive electrode support affixed to the forward end and means at the rearward end for attachment of a voltage source and air...
D263054 Portable welding tool  
Matches 1 - 50 out of 109 1 2 3 >