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Match Document Document Title
7341763 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...
7304267 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...
7210638 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...
7019249 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...
6983893 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,...
6884959 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...
6858813 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,...
6825433 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...
6825432 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...
6727465 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....
6683271 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...
6667460 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...
6663013 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...
6653589 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...
6627839 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...
6621035 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...
6603090 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...
6600126 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...
6596971 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%...
6548783 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...
6486438 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...
6469271 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...
6441338 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...
6440583 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,...
6431464 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,...
6417489 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...
6414258 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...
6337455 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...
6322857 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...
6307178 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...
6284995 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...
6274839 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...
6258402 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...
6245390 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...
6204477 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...
6175093 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...
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...
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...
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...
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...
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...
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...
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...
5989647 Heat-treatment device and process  
Heat-treatment device which includes a cooling unit comprising delivery nozzles which deliver at least one coolant, characterized in that it furthermore comprises a shielding element designed so as...
5980681 Process for treatment of metal workpiece surface by electrical discharges  
A process and an apparatus that can be used for surface preparation and treatment of a metal workpiece surface, for example in a processing stage prior to adhesive assembly, without using...
5964405 Arc thermal spray gun and gas cap therefor  
An arc spray gun has a pair of tubular wire guides that guide two metal wires to a point of contact at the wire tips where an arc current through the wires effect an arc, thereby melting the tips....
5958521 Method of depositing a thermally sprayed coating that is graded between being machinable and being wear resistant  
A method of thermally spraying a coating onto the interior of a cylindrical surface which coating is graded between enhanced optimal machinability and enhanced wear resistance. The method comprises...
5942289 Hardfacing a surface utilizing a method and apparatus having a chill block  
A hardfacing apparatus includes a deposition head including a heat source, a hardfacing material source, and a chill block having a chill block surface. The deposition head is positioned at a...
5932293 Thermal spray systems  
A thermal spray system includes a combustion unit connected to at least one port for supplying a flow of a combustible fluid from an external source of fuel and oxidant. The combustion unit...
5908670 Apparatus for rotary spraying a metallic coating  
An apparatus for coating a part with a metallic coating comprising at least two consumable electrically conductive metallic wire electrodes converging to converging point at their ends, an electric...
Matches 1 - 50 out of 256 1 2 3 4 5 6 >