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8158906 |
Welding method and welding device
Conventional welding methods have the disadvantage of producing worse welded joints at the beginning of the process than in the later course of the method. The method in question uses an...
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8070042 |
Process for joining stainless steel part and silicon carbide ceramic part and composite articles made by same
A process for joining a stainless steel part and a silicon carbide ceramic part, comprising steps of: providing a stainless steel part, a SiC ceramic part, and a Al foil; bringing surfaces of the...
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8067711 |
Deposition apparatus and methods
Microspray apparatus and methods involve injecting powdered material into a plasma gas stream. The material comprises first and second component powders. The second powder is a majority by the...
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8030592 |
Apparatus and method for applying antifoulants to marine vessels
A plasma spray apparatus in the form of a gun is utilized to apply an antifoulant coating to marine vessels. The apparatus includes a plasma generator, an electrophoresis element, a heating...
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7952047 |
Feedback enhanced plasma spray tool
An improved automatic feedback control scheme enhances plasma spraying of powdered material through reduction of process variability and providing better ability to engineer coating structure. The...
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7928338 |
Plasma spraying device and method
A device and a method for plasma spraying are disclosed. The device comprises, a cathode, an anode, a plasma channel formed by the anode and intermediate electrodes, and one or more flowable...
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7892609 |
Thermal spraying apparatus and also a thermal spraying process
The invention relates to a thermal spraying apparatus (1) for coating a surface (2) of a substrate (3) by means of a coating material (4). The thermal spraying apparatus (1) includes a spray pistol...
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7763823 |
Method and apparatus for microplasma spray coating a portion of a compressor blade in a gas turbine engine
A method and apparatus for microplasma spray coating a portion of a substrate, such as a gas turbine compressor blade, without masking any portions thereof. The apparatus includes a microplasma gun...
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7743962 |
Method for making a closed container, said closed container and its components
A closed container with a tight and mechanically strong seal having two fastened-together metal elements including a body and a cover. The body is essentially a cylindrical or prismatic shape...
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7741578 |
Gas shielding structure for use in solid free form fabrication systems
A solid free form fabrication (SFF) system and method is used to fabricate a three-dimensional structure in a continuous manner from successive layers of feedstock material. The system includes a...
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7671294 |
Plasma apparatus and system
A twin plasma apparatus including an anode plasma head and a cathode plasma head. Each of the plasma heads includes an electrode and a plasma flow channel and a primary gas inlet between at least a...
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7644872 |
Powder port blow-off for thermal spray processes
A powder port blow-off system for a plasma spray process includes a faceplate that includes a bore therein that is co-radially aligned with a nozzle of a plasma spray gun, which emits a plasma...
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7582846 |
Hybrid plasma-cold spray method and apparatus
The present invention provides a method and apparatus of producing a dense coating with desirable stress conditions similar to coatings produced by a cold spray processes, but with higher process...
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7578451 |
Apparatus for thermal spraying
The invention relates to an apparatus for thermal spraying (1) including a spray gun (2) with a burner (3), wherein an operating media (5) can be supplied to the spray gun (2) via a feed line (4),...
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7557324 |
Backstream-preventing thermal spraying device
A thermal spraying method and device that includes a device (1,2) which generates a flame and a device (3) which injects a powder into the flame. The flame-generating device (1,2) includes an end...
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7521653 |
Plasma arc coating system
A system for coating a substrate includes a heater that heats the substrate. The heater includes a two-dimensional array of a plurality of heat sources which supply heat to the substrate when the...
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7491907 |
Plasma spray apparatus for applying a coating utilizing particle kinetics
A plasma spray apparatus for applying a coating to an article, wherein the apparatus includes a cup shaped plasma nozzle and a main gas nozzle coaxially surrounding the exterior of the plasma...
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7432469 |
Arc spraying torch head
The invention provides an arc spraying torch head including: a pair of spray material guides attached to a head body so as to face forward and guiding a flexible wire-like spray material inserted...
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7397013 |
Plasma lineation electrode
A plasma spray device is provided. The plasma spray device includes a plasma chamber region for having a plasma formed and a throat region coupled to the plasma chamber region. The throat region...
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7345255 |
Composite overlay compound
A method of forming a composite overlay compound on a substrate includes forming a mixture including at least one component from a first group of component materials including titanium, chrome,...
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7342195 |
Customizable ion fusion formation system and process
A customizable ion fusion formation system and method is used to repair a targeted repair region of a workpiece with successive layers of feedstock material. The system includes a moveable...
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7342196 |
Plasma spraying apparatus and also a method for monitoring the condition of a plasma apparatus
The invention relates to a plasma spraying apparatus (1) including a plasma torch (2) for heating up a spray powder (3) in a heating zone (4) and a metering unit (5) for metering the spray powder...
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7329828 |
Method for inert gas welding or inert gas soldering of workpieces comprising identical or different metals or metal alloys by means of an additional Zn/Al metal
The invention relates to a method for inert gas welding or inert gas soldering of workpieces (A) made of steel, aluminum, magnesium, copper, or the alloys thereof with workpieces (B) made of steel,...
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7301120 |
Ion fusion formation process including precise heat input and temperature control
An ion fusion formation method is used to manufacture a component from successive layers of feedstock material. A plasma stream is created by energizing a flowing gas using an arc electrode, the...
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7259350 |
Turbine component crack repair using cathodic arc and/or low pressure plasma spraying and HIP
A method for repairing cracks in a metal part comprising the steps of providing a metal part having a crack, cleaning the crack to remove an oxide layer, depositing a repair alloy via at least one...
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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...
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7214413 |
Method and device for generating an activated gas curtain for surface treatment
The invention relates to a surface treatment device comprising: electrodes (24a, 24b) that are used to initiate an electric arc of stabilised plasma (14); a stabilising channel (12) which is...
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7124960 |
Electric arc wire burner
The invention relates to an electric arc wire burner for spraying an electric arc, comprising at least two burner tubes (3) for feeding electrodes which are embodied in the form of wire (5). Said...
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7115832 |
Microplasma spray coating apparatus
A portable, hand-held microplasma spray coating apparatus comprises an anode, a cathode and an arc gas emitter disposed in a housing, and a powder feeding system, a cooling system and a power...
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7112758 |
Apparatus and method for solution plasma spraying
The apparatus for the thermal spray delivery of a precursor solution comprises a first solution reservoir, a second solution reservoir, singular or multiple atomizing liquid injector(s) disposed in...
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7094987 |
Hollow thermal spray electrode wire having multiple layers
An electrode wire for use in a thermal spray process. The electrode wire is formed with a first layer of a first material formed as tubular outer layer and a second layer of a second material,...
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6994920 |
Fusion welding method and welded article
A fusion welding method is provided for fusion welding at juxtaposed interface surfaces a first member, for example made of a first metal based on at least one of Ru, Rh, Pd, and Pt, with a second...
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6987236 |
Plasma powder welding device and its welding method
A plasma powder welding device in this invention comprises a powder having an identical kind of main component as that of a work piece, a feeder feeding the powder to the work piece, a welding...
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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,...
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6963044 |
Coating apparatus and processes for forming low oxide coatings
A local environmental cell for a welding spray gun includes an annular ring having a top surface and a bottom surface, wherein the annular ring is adapted for attachment to an outer perimeter of...
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6914210 |
Method of repairing a stationary shroud of a gas turbine engine using plasma transferred arc welding
A stationary shroud of a gas turbine engine made of a base metal is repaired by removing any damaged material from a flow-path region of the stationary shroud to leave an initially exposed...
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6821362 |
Manufacturing method of auger
An auger composed of an auger body integrally formed with a spiral blade and at its opposite ends with a pair of shaft portions is manufactured by the steps of forming annular recesses on the shaft...
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6756083 |
Method of coating substrate with thermal sprayed metal powder
Methods for applying thermal coatings on substrates using a diffusion alloyed metal powder are provided. The powder comprises pre-alloyed iron base powder particles having molybdenum particles...
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6744005 |
Method for producing shaped bodies or applying coatings
The invention relates to a method for producing shaped bodies or applying coatings on workpieces. The aim of the invention is to produce shaped bodies which are structured in an almost arbitrarily...
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6744006 |
Twin plasma torch apparatus
A twin plasma torch assembly includes two plasma torch assemblies supported in a housing. Each of the two plasma torch assemblies has an electrodes. Plasma gas is introduced into a processing zone...
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6706993 |
Small bore PTWA thermal spraygun
The present invention provides a plasma transferred wire arc torch assembly that includes a monolithic block assembly that combines into a single component several features that have previously...
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6703579 |
Arc control for spraying
A thermal spraying system includes thermal spray material, an electrical energy thermal spraying device atomizing and spraying the thermal spray material, a power supply supplying electrical power...
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6686555 |
Method for plasma jet welding
A method for plasma jet welding by means of a free radio frequency-induced plasma beam wherein, the rf-induced plasma beam is generated by a procedure involving a second process gas into a tube so...
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6680085 |
Method and device for thermal spraying for the coating of surfaces
The method for thermal spraying, especially of metals, for the coating of surfaces, wherein the material employed for coating is supplied in the form of a wire, molten and sprayed, uses a plasma arc.
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6680456 |
Ion fusion formation
An ion fusion formation (IFF) system uses a plasma welding torch to create ions that heat feedstock for application at a deposition point. A plasma welding torch may use argon gas or the like in...
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6669106 |
Axial feedstock injector with single splitting arm
A feedstock injector for connection to a source of heated gas comprises a converging channel extending from the upstream end to the downstream end of the injector. A splitting arm extends...
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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...
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6657152 |
Torch head for plasma spraying
A torch head includes a torch body which is inserted into the tube member, a cathode tube which is arranged in the torch body such that the longitudinal axis of the cathode tube is aligned to the...
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6653591 |
Method and apparatus for direct electrothermal-physical conversion of ceramic into nanopowder
A method of producing nanocrystalline ceramic powder by creating a plasma stream in a reactor vessel, and physically converting a ceramic precursor material into ceramic particles suspended in the...
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6579628 |
Multi-layered anti-coking heat resistant metal tube and method for manufacture thereof
The 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...
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