Matches 51 - 100 out of 268 < 1 2 3 4 5 6 >
Match Document Document Title
6515254 Method for the surface treatment of a tribological coating  
A method for surface working a tribological coating of a supereutectic aluminum-silicon alloy or an aluminum-silicon composite material with a coating structure includes machining the surface dry,...
6513728 Thermal spray apparatus and method having a wire electrode with core of multiplex composite powder its method of manufacture and use  
A thermal spray or welding apparatus including a cored wire electrode with a sheath and a multiplex powder composite. The composite comprises micron-sized particles and sub-micron sized particles,...
6506995 Conforming welding torch shroud  
A shroud for a welding torch includes a hydrophilic skirt supported by a frame. The skirt is soft and pliable when wet and is self protected from the heat of welding by the water absorbed therein....
6506999 Laminate system, a process for the production thereof and use thereof  
In a system based on aluminum, zirconium and nitrogen at least one layer has covalent bonds of aluminum nitride or at least one layer has bonds of the aluminum nitride and zirconium nitride type....
6433299 Monolithic magnetic modules for integrated planar magnetic circuitry and process for manufacturing same  
Magnetic modules and a process for manufacturing magnetic modules are provided wherein magnetic material is deposited into one or more cavities patterned into a non-magnetic substrate die to form a...
6397651 Die assembly and method of manufacturing die assembly  
A cutting edge is formed by build-up welding on a die of a die assembly made of a base material of an aluminum/copper-based zinc alloy. The cutting edge comprises an underlying layer and an...
6392190 Automated hardfacing system  
An automated hardfacing system useful for hardfacing roller cones is disclosed. The automated system includes a robot with an arm, a positioner, and a controller which co-ordinates the alignment of...
6392189 Axial feedstock injector for thermal spray torches  
A feedstock injector for connection to a source of heated gas comprises a first plurality of channels arranged symmetrically about a longitudinal axis, the channels leading from the upstream end to...
6337459 Multi-layered anti-coking heat resisting metal tube and the method for manufacturing thereof  
A multi-layered heat resistant metal tube is disclosed. This tube has excellent anti-coking characteristics and is suitable for use under the conditions where carbon tends to deposit and accumulate...
6331689 Method and device for producing a powder aerosol and use thereof  
Powder aerosols are introduced into a gas stream in metered form and without any aggregates. To this end, according to the invention, a powder is drawn, for example by mechanical device, from a...
6329628 Methods and apparatus for generating a plasma torch  
A modular system for constructing an atmospheric pressure plasma source. A plasma torch module may be constructed by reassembling the structural components of two (2) different models of spark...
6326582 Bearing with improved wear resistance and method for making same  
A radial bearing and method for making the same are disclosed. Radial bearings are typically used control the direction of drilling in directional drilling operations. The cuttings flow across the...
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...
6297466 Method for repairing steel spray-formed tooling with TIG welding process  
A machine tool or die that is fabricated from thermally spray-formed steel is repaired on the factory floor by first cleaning the area to be repaired to removed all dirt and impurities. Next the...
6265689 Method of underwater cladding using a powder-fan plasma torch  
A plasma arc torch includes a housing having a nozzle at one end with a central orifice. An electrode extends into the orifice for producing a plasma arc. A port is disposed in the nozzle adjacent...
6265687 Method of using a ternary gaseous mixture in the plasma projection of refractory materials  
A plasmagenic gas comprises a ternary mixture of helium, argon and hydrogen. The gas contains less than 30% helium, at least 55% argon, and from 5.5 to 15% hydrogen. The gas is energized to form a...
6254458 Post processing for nitinol coated articles  
A process for post processing a part that has a Nitinol coating applied by plasma spraying or PVD coating gives the Nitinol desirable properties of toughness and malleability. It also produces a...
6215091 Plasma torch  
The plasma torch has a cathode supporter having a front end and a rear end, mounted on the body at the rear end thereof; a button-cathode for generating plasma arc, which is assembled to the front...
6213049 Nozzle-injector for arc plasma deposition apparatus  
A nozzle-injector was designed and fabricated for plasma deposition of thin-film coatings using a wall-stabilized arc torch as the plasma generator. The design of the nozzle-injector controls the...
6207924 Inductive plasma torch with a reagent injector  
The invention concerns an inductive plasma torch comprising an external tube, an intermediate tube and a central injector (16) including at least a central tube (20, 21) injecting reagent and a...
6137078 Nozzle for use in a torch head of a plasma torch apparatus  
The nozzle is provided with a plurality of cooling channels running from an annular channel located in an inlet region of the nozzle through the nozzle in longitudinal direction up to an outlet...
6133542 Process for coating or welding easily oxidized materials and plasma torch for carrying out this process  
A process for coating or welding easily oxidized materials is carried out by applying weld metal powder by a plasma powder welding process with an alternating current or with a direct current and a...
6131533 Jig for forming hard carbon film over inner surface of guide bush using the jig  
A hard carbon film is formed over an inner surface of a guide bush by fixing an auxiliary electrode support member for supporting an auxiliary electrode of a jig for forming a film in a center bore...
6124564 Hardfacing compositions and hardfacing coatings formed by pulsed plasma-transferred arc  
A new hardfacing composition is disclosed. In addition, a pulsed plasma transferred arc method for depositing hardfacing material with a higher content of carbide and lower dilution by a substrate...
6124563 Pulsed electrothermal powder spray  
A pulsed electrothermal powder spray apparatus and method increases coating particle velocities to the 2,000-4000 m/sec range. The apparatus includes a containment tube, which may be a reverse...
6084197 Powder-fan plasma torch  
A plasma arc torch includes a housing having a nozzle at one end with a central orifice. An electrode extends into the orifice for producing a plasma arc. A port is disposed in the nozzle adjacent...
6050215 Plasma stream generator with a closed configuration arc  
6043451 Plasma spraying of nickel-titanium compound  
A process for diffusion bonding a coating of Nitinol intermetallic compound to a surface of a metallic substrate includes heating and cleaning the surface of the substrate to a metallurgically...
6001426 High velocity pulsed wire-arc spray  
Wire arc spraying using repetitively pulsed, high temperature gas jets, usually referred to as plasma jets, and generated by capillary discharges, substantially increases the velocity of atomized...
5998757 Plasma torch system with height adjustment  
To improve a plasma torch system comprising a high-frequency plasma torch with a plasma torch device for generating therein a plasma flame by supplying high-frequency power, and a processing...
5998755 Tooling assembly for positioning airfoils of a rotary machine  
A tooling assembly 10 for use with apparatuses 12,54 for propelling a stream of particles at the tip 46 of a rotor blade, a stator vane is disclosed. Various construction details are developed...
5973289 Microwave-driven plasma spraying apparatus and method for spraying  
A microwave-driven plasma spraying apparatus can be utilized for uniform high-powered spraying. The plasma sprayer is constructed without a dielectric discharge tube, so very high microwave powers...
5961856 Deep water powder feed hopper  
A hopper feeds powder underwater to a welding torch. The hopper includes a housing having a lower chamber and an integral upper chamber. An inlet joins the upper chamber for receiving powder and a...
5944901 Indirect plasmatron  
The indirect plasmatron comprises a neutrode assembly comprising a plurality of plate-shaped electrode members which are electrically insulated from each other. In its interior, the neutrode...
5938944 Plasma transferred wire arc thermal spray apparatus and method  
A plasma transferred wire arc thermal spray apparatus and method producing an extended-arc and supersonic plasma jet stream for applying a dense metallic coating on a substrate, such as a concave...
5935458 Wire thermal spray apparatus with dual motors  
A wire thermal spray gun such as a two-wire arc gun has a speed regulator for a DC pull motor in the gun. Armature current corresponds to pulling torque on the pull motor depending on load...
5906757 Liquid injection plasma deposition method and apparatus  
A liquid injection plasma torch deposition apparatus for depositing material onto a surface of a substrate may comprise a plasma torch for producing a jet of plasma from an outlet nozzle. A plasma...
5847357 Laser-assisted material spray processing  
A laser assisted thermal spray process for material spraying of a workpiece utilizes a primary energy source for producing a heating plume and a spray material injector for injecting a spray...
5844192 Thermal spray coating method and apparatus  
A thermal spray method and apparatus for applying a coating on to a substrate is provided comprising the steps of: (1) providing powder particles to be deposited on to the substrate; (2) providing...
5837959 Single cathode plasma gun with powder feed along central axis of exit barrel  
A single cathode plasma gun injects powder therein so that the powder exits along a central axis of an exit barrel of the gun, in order to provide improved coatings of the powder material on a...
5808270 Plasma transferred wire arc thermal spray apparatus and method  
A plasma transferred wire arc thermal spray apparatus and method producing an extended-arc and supersonic plasma jet stream for applying a dense metallic coating on a substrate, such as a concave...
5796064 Method and apparatus for dual coat thermal spraying cylindrical bores  
Disclosed are a method and apparatus for coating the interior surface of a cylinder wherein separate consumable electrodes are fed to an arc formed between a rotating non-consumable electrode and...
5756958 Assembly for a powder filler material feed system  
Pressure loss in a feed channel of a powder filler material feed system of a plasma welding apparatus is compensated using an adapter body having a connection for taking shielding gas into the...
5743961 Thermal spray coating apparatus  
A thermal spray apparatus for depositing a coating on to a substrate is provided which includes a plasma generator for selectively changing gas from a gaseous state to a plasma, and apparatus for...
5734143 Microwave plasma torch having discretely positioned gas injection holes and method for generating plasma  
The microwave plasma torch of the invention includes: a vacuum container having an evacuating apparatus; a coaxial waveguide including an inner conductor and an outer conductor, a first end portion...
5690844 Powder feed for underwater welding  
An apparatus and method feeds weld material to an underwater plasma transferred arc welding torch. The weld material comprises a powder, which can be entrained in a fluidizing gas flow. The weld...
5679167 Plasma gun apparatus for forming dense, uniform coatings on large substrates  
A plasma system forms a dense, uniform coating of metallic oxide or other material on a relatively large substrate of metal foil or other composition located a substantial distance from the plasma...
5637242 High velocity, high pressure plasma gun  
A high velocity, high pressure plasma gun operates in stable fashion and with a relatively constant arc input power using a highly combustible arc gas such as nitrogen. The gun includes an anode...
5635087 Apparatus for plasma-assisted high rate electron beam vaporization  
It is known that improved coating properties can be obtained by plasma action in vacuum deposition, especially by vaporization. Substantially higher coating rates can be attained in vapor...
5624717 Process for coating or hardfacing a part by means of a plasma transferred arc  
The invention relates to a process for coating or hardfacing recharging a part by means of a plasma transferred arc. According to the process, on the part (1) to be coated or hardface is deposited...
Matches 51 - 100 out of 268 < 1 2 3 4 5 6 >