Patents in subclass Electric Heating/By Electric Arc
Parent class: Electric Heating
| Number | Patent title | Issue Date |
|---|---|---|
| 07341763 | Thermal spraying device and thermal spraying method A thermal spraying device with a first blowing mechanism for lengthening a droplet formed near the tips of thermal spraying materials by arc, and a second blowing mechanism for a blowing a tip portion of the lengthened droplet to atomize... |
03/11/2008 |
| 07304267 | Method and a device for depositing a welding material in an annular facing machined in a spherical wall Welding material is deposited automatically in the annular facing. A welding torch is causes to rotate about an axis of rotation that extends in a direction that is radial relative to the spherical wall and that passes through a point of... |
12/04/2007 |
| 07210638 | Electric arc spraying system An electric arc spraying system includes a spraying gun for thermally spraying an inner surface of an object such as a cylinder block by blasting compressed gas substantially perpendicularly to the supplying direction of target wires. The... |
05/01/2007 |
| 07171734 | Apparatus for aligning female connector in fixture for use in reconditioning of articulated connector An apparatus for semi-automatically reconditioning an articulated connector while it is still mounted to the end structure of a rail car is disclosed. The apparatus is mountable to the connector and measures to find areas and amounts of... |
02/06/2007 |
| 07019249 | Method and an apparatus for arc spraying A method is proposed for arc spraying by means of a spray gun (1). The spray gun includes two electrically conductive spray wires (2) and at least one first supply device (3) for supplying a fluid (4), with an electrical voltage being... |
03/28/2006 |
| 06983893 | Arc metalizing unit A microprocessor controlled arc metalizing unit includes a wire cassette and a drive mechanism cassette engaged in a separable manner. By disengaging the wire cassette and drive mechanism cassette, an operator has much greater control of... |
01/10/2006 |
| 06884959 | Controlled composition welding method This invention relates to a method and apparatus for controlling the composition of a weld. More particularly it relates to welding using an electric circuit, thereby creating a weld puddle, and adding at least one filler that is... |
04/26/2005 |
| 06858813 | Weld overlay system A process for applying a weld overlay to a tube with a single pass of a weld head. An inverter-type alternating current pulsed power source, composed of a primary inverter and a secondary inverter, is used to control the melting rate of... |
02/22/2005 |
| 06825432 | Apparatus and method for forming a body A method of forming a body by deposition of a weld material comprises providing a welding head (12), providing a foundation (52) upon which the body is to be formed. A weld material is supplied from a supply (22). The welding head (12)... |
11/30/2004 |
| 06825433 | Apparatus and method for forming a body A method of forming a hollow section body by deposition of a weld material includes the steps of providing a welding head 12 and a turntable 36 on which the body is to be formed, supplying a weld material to the welding head 12, the weld... |
11/30/2004 |
| 06737608 | Automated welding device for the buildup of material An apparatus, for providing a welding bead on a surface to be welded, comprises an arm supporting a welding torch in which the welding torch facilitates welding on a desired surface. A spindle supports the arm and the welding torch and at... |
05/18/2004 |
| 06727465 | Apparatus for overlay welding of a tube exterior An overlay welding apparatus for depositing an overlay weld on rotating tube stock. The apparatus comprises an elongate frame and supports for rotating the tube stock about a central axis thereof. The tube stock is inclined relative to... |
04/27/2004 |
| 06683271 | Voltage controlled arc spray A process, whereas, the wire feed motor of the of twin wire arc spray process, receives its power from the same power circuit that creates the arc spray operation, thereby automatically changing the wire feed rate, as voltage changes... |
01/27/2004 |
| 06667460 | Inner torch An inner torch for the electric-arc spraying of cavities, in particular of cylinder contact surfaces. The inner torch as at least two torch tubes for heating electrodes. The electrodes are provided for melting purposes and are designed as... |
12/23/2003 |
| 06663013 | Arc thermal spray gun apparatus An arc spray gun has a pair of wire guides that guide two metal wires to an arc zone near the wire tips where an electric current through the wires effect an arc, thereby melting the wire tips. The wire guides are of a two-part design.... |
12/16/2003 |
| 06653589 | Apparatus for welding An apparatus (10) for welding a bore of a work piece (24) includes a torch tube (18) carrying a welding torch (20). The torch tube is removably connected to a housing (12) which houses a rotating drive motor (14) for rotating the torch... |
11/25/2003 |
| 06627839 | Dual-torch gas metal arc pulse welding for overlay applications An apparatus and process are shown for the application of welded metal overlay deposits to cylindrical substrates for use in wear, chemical, and temperature resistance. More specifically, this apparatus permits the application of welded... |
09/30/2003 |
| 06621035 | Welding device with axial indexing mechanism A welding device that facilitates depositing of a welding bead on a surface to be built-up. The welding device includes a housing accommodating a rotatable spindle therein, a drive mechanism coupled to the spindle to facilitate rotation... |
09/16/2003 |
| 06603090 | Pulverulent filler and method for applying a wear-resistant layer Method for applying a wear-resistant layer comprising a nickel alloy matrix and intercalated tungsten carbides and/or vanadium carbides to a surface which is to be protected using arc welding or plasma welding. |
08/05/2003 |
| 06600126 | Shell with a shell body and a process for the preparation of radially protruding guiding means on a shell body Guiding means being arranged on a surface area of a shell are made of high purity nickel by build-up welding. This avoids a drag-in of copper into a gun barrel foreseen for the launch of a shell. A production of the guiding means in the... |
07/29/2003 |
| 06596971 | Process for the MIG welding of nickel and nickel alloys with a shielding gas based on argon and CO2 Process for the MIG welding of nickel and nickel alloys, with the use of a gas shield for at least part of the welding zone, in which process the gas shield is a gas mixture containing from 0.05% to 0.5% CO.sub.2, the balance being argon.... |
07/22/2003 |
| 06548783 | Apparatus for electric arc overlay welding An arc welding overlay apparatus that comprises a welding head carriage adapted for movement on a track, an index arm mounted for movement in a direction substantially transverse to the track, a slide mounted for movement in a direction... |
04/15/2003 |
| 06486438 | Automated welding device for the buildup of material A rotary welding attachment member comprising a cam member having a cam surface and a rotatable base movable relative to the cam member. The rotatable base supporting a support rod and the support rod supporting a rider block which is... |
11/26/2002 |
| 06469271 | Method and apparatus for refurbishing valves A method and apparatus for in situ refurbishment of valve seats are disclosed in which a worn valve seat is initially ground to a flat surface, a buildup of weld metal is deposited on the flat surface, and the weld buildup is machined to... |
10/22/2002 |
| 06448531 | Automated welding device for the buildup of material A welding bead apparatus comprising a: first hollow arm supporting a second hollow arm, a hollow spindle supporting the second hollow arm, a drive, a releasable clutch and a housing. The first hollow arm is connected to the second hollow... |
09/10/2002 |
| 06440583 | Aluminum alloy for a welded construction and welded joint using the same Disclosed is an Al alloy for a welded construction having excellent welding characteristics, which Al alloy comprises 1.5 to 5 wt % of Si (hereinafter, wt % is referred to as %), 0.2 to 1.5% of Mg, 0.2 to 1.5% of Zn, 0.2 to 2% of Cu, 0.1... |
08/27/2002 |
| 06441338 | Rapid manufacturing of steel rule dies and other 3-dimensional products, apparatus, process and products A model building apparatus includes a beam delivery module and a stage movable in the X, Y and Z directions. A feedstock holding mechanism for the model building apparatus enables the model building apparatus to corrugate the feedstock... |
08/27/2002 |
| 06431464 | Thermal spraying method and apparatus A thermal spraying method involves the creation of a coating comprising titanium wire in the presence of nitrogen. The apparatus of the invention comprises a nozzle which has a cylindrical throat, with feedstock guides which guide the... |
08/13/2002 |
| 06417489 | Welding wire and method of making same A welding wire for use in electric arc welding and method of making same, wherein the wire has an effective outer diameter and comprises a length of solid metal formed into a series of distinct segments each having a selected volume and... |
07/09/2002 |
| 06414258 | Base carrier for tracklaying vehicle and hard facing method The objects of the invention are: a weld overlay having stable quality is provided; cracks which have been created on a weld overlay during engagement of a part with its mating member are prevented from extending; and adverse effects on... |
07/02/2002 |
| 06337455 | Process and apparatus for transforming metal material A metal material is formed into a wire material, and an end of the wire material is molten by an electric discharge. A molten sphere formed by the melting of the end is flied by a gas flow. Thus, a material having a high melting point can... |
01/08/2002 |
| 06322857 | Process for coating a workpiece with a nickel base alloy in powder wire form A material in powder or wire form on a nickel basis for the production of a coating with a high level of resistance to corrosion and wear by means of a thermal coating process is of the following composition (in percent by weight): The... |
11/27/2001 |
| 06307178 | Method for welding shaped bodies made of carburized heat-resistant steel The invention relates to a method for welding shaped bodies of carburized heat-resistant austenitic steel. The inventive method is characterized in that carburized steel parts to be welded are preheated to temperatures of 700 to 900... |
10/23/2001 |
| 06284995 | Expandable, automated, welding device for the build up of material This invention relates to the art of machine repair. The present invention relates to an expandable, automated, welding device and methods used to build up material on the inner surface of a bore so that the bore can be restored to... |
09/04/2001 |
| 06274839 | Method and apparatus for building up a workpiece by deposit welding A method of forming an article comprising in combination the steps of: constructing in a computer (6) memory a first datafile 60) which is a definition of a three dimensional volume model of an article; executing a computer program (42), which... |
08/14/2001 |
| 06258402 | Method for repairing spray-formed steel tooling A machine tool or die that is fabricated from thermally spray-formed steel is easily repaired by cleaning, roughing and covering the surface to be repaired by a cold-spray layer of metal and then forming a weldment by conventional... |
07/10/2001 |
| 06245390 | High-velocity thermal spray apparatus and method of forming materials The high-velocity oxygen-fuel or air-fuel apparatus and method to apply low-oxidized and high-density coatings and bulk materials by spraying of non-fused particles, said apparatus comprises a catalytic member in internal burner. Metallic... |
06/12/2001 |
| 06204477 | Method to eliminate weld solidification cracking of 312 stainless steel overlay and to minimize the overlay's thermal expansion mismatch with carbon steel or low alloy steel substrate A method for applying a stainless steel weld overlay on a substrate, e.g., a carbon steel or low alloy steel, uses an arc welding process. The process includes welding a stainless steel weld overlay onto the substrate using a shielding... |
03/20/2001 |
| 06175093 | Method for applying a weld overlay to a wastage susceptible structure There is provided a method of applying a weld overlay to a surface of a wastage susceptible chamber. The basic steps of the method include evaluating the post weld orientation of the surface of the wastage susceptible chamber resulting... |
01/16/2001 |
| 6148514 | Method for butt-end electromechanical splicing A process and system for repairing electromechanical cables having an external armor wire layer using a butt welding technique and an arc vanishing machine. A short (break) in a cable having both an external and inner helically wrapped... |
11/21/2000 |
| 6144008 | Rapid manufacturing system for metal, metal matrix composite materials and ceramics A product building system uses a stage movable in X-Y-Z directions for holding and moving a product. A fixed laser is focused on a spot on the products. Strips of materials are fed tangent to a forming direction from two sources on a... |
11/07/2000 |
| 6137076 | Automated welding device for the buildup of material A welding material supply mechanism for providing a welding bead on a surface comprising: a first hollow arm, a transfer tube, a second hollow arm, swivel bearing and a welding nozzle. The first hollow arm is connected to the second... |
10/24/2000 |
| 6137081 | Electrode and method of making same A welding wire for use in electric arc welding and method of making same, wherein the wire has an effective outer diameter and comprises a length of solid metal formed into a series of distinct segments each having a selected volume and... |
10/24/2000 |
| 6091042 | Arc thermal spray gun extension and gas jet member therefor An arc spray apparatus includes a spray gun body with a pair of converging wire guides to guide two feeding metal wires to a region of contact at the wire tips where an arc melts the tips. A gas jet member has a projection extending... |
07/18/2000 |
| 6091043 | Depositing metal upon an article A method of electric arc spraying metal upon an article. The method comprises providing an article to be sprayed, providing a supply of fusible metal feedstock, providing a metal feedstock feeding device, and providing a substrate of... |
07/18/2000 |
| 6076742 | Arc thermal spray gun extension with conical spray In a two-wire arc spray extension two metal wires are guided into contact, and a gas cap is affixed to a gun body. The feeding wires receive an arc current to effect an arc and thereby molten metal at the wire tips. The gas cap has a... |
06/20/2000 |
| 6069334 | Electroslag strip overlay method An apparatus and method for depositing an overlay material onto a metal surface. An electroslag strip overlaying process which distributes flux through a trailing flux tube and a forward flux tube eliminates many of the problems... |
05/30/2000 |
| 6034344 | Method for applying material to a face of a flow directing assembly for a gas turbine engine A method for applying a material to the face 16,18 of a rotor blade 10 is disclosed. The method includes blocking the flow of molten material to adjacent structure of a rotor blade by disposing a pad against the structure. |
03/07/2000 |
| 6013890 | Dual pass weld overlay method and apparatus A method is disclosed for applying a weld overlay to a tube. Using a first weld head, a bead of overlay material is applied onto a tube by melting the overlay material. In the process of applying the weld bead to the tube, a heat affected... |
01/11/2000 |
| 6005215 | Electric arc spray gun An electric arc spray gun wherein the spray tips can be precisely aligned is disclosed. The gun body includes converging wire guides located at an acute angle with respect to the horizontal. The diameter of the central portion of each... |
12/21/1999 |