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7385158 |
Method and installation for laser welding with a N2/He gas mixture, the N2/He content being controlled according to the laser power
A method and an apparatus for welding with a laser beam. A shielding gas mixture of nitrogen and helium is used and the proportions of the component gases are modified depending on the laser beam's...
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7358457 |
Nozzle for laser net shape manufacturing
Methods, apparatuses, devices, and/or systems for laser net shape manufacturing may make use of a nozzle that includes a main body with a thermal channel, a conducting channel and a gas...
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7326878 |
Laser beam processing machine
A laser beam processing machine includes a dust discharger which includes a first cover member mounted to the lower end of the condenser and a first opening for letting a laser beam applied from...
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7321104 |
Cooling duct of a laser processing machine
An apparatus for the removal of waste heat and material during laser cutting of a hollow workpiece by a laser beam includes a duct with external dimensions that permit insertion of at least a...
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7319204 |
Laser welding device and method
A laser welding device includes a laser that generates a laser beam, an optics, and a limiting apparatus. The optics has a focal length of at least 200 nm and being configured to focus the laser...
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7307237 |
Hand-held laser welding wand nozzle assembly including laser and feeder extension tips
A hand-held laser welding wand includes a main body that is dimensioned to be grasped by a hand and a nozzle assembly. The nozzle assembly includes a laser extension tip and a feeder material...
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7304266 |
Laser shock peening coating with entrapped confinement medium
An integrated laser shock peening coating includes film or a tape having an ablative medium layer spaced apart from a clear containment layer and a stationary clear liquid confining medium...
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7301121 |
Method and device for laser drilling in a process gas atmosphere
A method and device for laser drilling in which the geometric form of the drill-hole wall is influenced by reciprocal action between a laser beam and a supplied process gas, which thereby is...
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7297895 |
Apparatus for removal of minute particles from a surface using thermophoresis to prevent particle redeposition
A method and apparatus for removing minute particles from a surface of a sample are provided that prevent redeposition of the particles onto the surface. By combining thermophoresis with laser...
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7294807 |
Method and device for drilling holes in workpieces by means of laser beams
A method and a device for producing holes in workpieces by using at least one laser beam, in particular a short-pulse or ultrashort-pulse laser beam, whereby a process gas is supplied to the point...
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7265317 |
Method of cutting material with hybrid liquid-jet/laser system
A hybrid liquid-jet/laser device may be used to remove material from a tube or sheet to form a medical device, such as a stent. The liquid-jet/laser stream may be impinged against the wall of the...
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7259353 |
Compact coaxial nozzle for laser cladding
The present invention provides a compact coaxial nozzle useful in laser welding operations where the welding piece has a restricted or confined geometry. The nozzle is generally conical in shape,...
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7257879 |
Combination apparatus for machining material with a milling cutter and a laser
The invention is directed to an apparatus for cutting material by means of a milling cutter and laser radiation. The apparatus comprises a milling unit, a work spindle, a milling cutter, a laser,...
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7247812 |
Laser annealing apparatus
An excimer laser annealing apparatus and the application of the same for stabilizing the atmosphere surrounding an area irradiated by an excimer laser. The apparatus includes a chamber, a gas...
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7241965 |
Method and apparatus for laser welding with plasma suppression
Laser welding apparatus, in which a laser beam is impinged upon a component to be welded at a laser beam impingement point, wherein a plasma suppressor is arranged to impinge a jet of gas on the...
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7223935 |
Laser processing head
A nozzle of a laser processing head for laser cutting and laser welding includes a laser beam outlet for directing a laser beam towards a processing location of a workpiece to be processed, a first...
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7220938 |
System and method for removing particulate created from a drilled or cut surface
A system and method for receiving and collecting particulate matter from drilled or cut holes in a tablet on a turntable and transporting said particulate to a remote location is described.
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7214904 |
Method and apparatus for laser drilling with a jet nozzle
A drilling device ( 1 ) for placing a bore hole ( 2 ) in a workpiece ( 3 ), includes a drill laser ( 4 ) that generates a laser beam ( 6 ) suitable for placing the bore hole ( 2 ), and a jet nozzle...
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7186946 |
Laser drilling
A method of laser drilling a gas turbine engine nozzle guide vane segment made up of two or more adjacent aerofoil sections spaced apart so that between each pair of aerofoil sections there are...
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7157662 |
Collision protection device of a laser processing head
A laser processing head collision protection apparatus includes a carrier member, and a laser processing head detachably coupled to the carrier member by a plurality of pairs of truncated cones.
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7148448 |
Monitored laser shock peening
A pulse laser is configured for projecting a pulsed laser beam at a target site on a fluid film atop a workpiece for laser shock peening the workpiece. The fluid film is monitored by a probe laser...
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7138030 |
In-line system and method for manufacturing liquid crystal display
An in-line system for fabricating a liquid crystal display-includes a sealer coating unit for coating a sealer onto a first substrate with a plurality of liquid crystal display cell regions, a...
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7129441 |
Nozzle change magazine for laser beam machine
A nozzle change magazine for laser beam machine which improves machining efficiency of a laser beam machine by installing a nozzle change magazine for laser machining tools equipped with a torch...
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7112761 |
Hand-held laser welding wand gas lens
A hand-held laser-welding wand includes a gas lens assembly that develops an inert gas atmosphere around a weld pool. The lens assembly additionally reflects laser light and thermal radiation that...
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7100846 |
Water-jet device for separating a biological structure
The water jet of a conventional water jet device is straight, bundled and impinges with its complete cross-section onto the biological structure to be separated. This renders the separating section...
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7061576 |
Exposure apparatus and method of cleaning optical element of the same
An exposure apparatus includes a light source, which emits an exposure beam, an optical system including a casing and an optical element, the casing having a closed space and the optical element...
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7057136 |
Finishing machine using laser beam
A machining device comprises workpiece holding means for holding a workpiece, laser beam machining means for shining a laser beam to the workpiece held by the workpiece holding means to machine the...
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7038166 |
Containment plenum for laser irradiation and removal of material from a surface of a structure
A containment plenum is adapted to deliver laser light to an interaction region of an inhabitable structure to remove material from the structure. The containment plenum includes a plenum housing...
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7038163 |
Use of helium/nitrogen gas mixtures in up to 12 kW laser welding
Binary gas mixture for welding using a laser beam of up to 12 kW, consisting of 30% to 60% nitrogen by volume, the remainder (up to 100%) being helium. Application of this gas mixture to the...
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7038161 |
Welding unit with miniaturized laser beam
The invention provides a welding device ( 10 ) using a power laser beam ( 22 ), the device ( 10 ) being miniaturized, the device ( 10 ) being suitable for being moved very close to the surface ( 52...
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7022941 |
Device for reducing the ablation products on the surface of a work piece during laser drilling
A device for introducing holes into a workpiece has a laser beam source for producing at least one laser beam which may be directed toward the workpiece. A nozzle system is provided having at least...
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7022939 |
Through weld for aluminum or aluminum alloy base metals by using high-density energy beams
This invention provides a new through weld method to carry out welding of a base metal made of aluminum or that of aluminum alloy using high energy beams wherein a shield gas ambience (an inert gas...
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7012216 |
Hand-held laser welding wand having internal coolant and gas delivery conduits
A hand-held laser welding wand includes internal flow passages through which filler media, gas, and coolant may flow. The wand is dimensioned to be grasped with a single hand, thus filler media of...
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7009139 |
Method and apparatus for composite YAG laser/arc welding
A combined YAG laser/arc welding apparatus performs a welding operation with a large depth of fusion and a deep fusion at a high efficiency. The welding apparatus includes an arc electrode which...
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7002100 |
Laser assisted machining method and device
A laser assisted machining method and device comprise a tool mount on which a laser head is disposed. A digital thermometer is disposed in a machining tool or on the tool mount for feeding data to...
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6969822 |
Laser micromachining systems
The described embodiments relate to laser micromachining a substrate. One exemplary embodiment includes a chamber configured to receive an assist gas from an assist gas source. The chamber is...
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6922610 |
Robot having offset rotary joints
A robot is obtained having various functions that are demanded for planetary landing vehicles, extreme operations robots or the like, in particular to provide a leg structure for a robot that is...
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6894248 |
Laser beam machining apparatus
A laser beam machining apparatus includes a laser oscillator, a machining head which that machines a workpiece using the laser beam. An optical duct has an optical system to guide the laser beam...
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6891126 |
High-speed laser cutting method with adapted gas
The invention concerns a method for cutting a metal or metal alloy workpiece using at least a laser beam and at least an assist gas of said laser beam wherein the assist gas consists of a mixture...
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6888098 |
Tubular cutting process and system
A system and method for processing a tubular member comprises a hollow tubular member, a laser and a media flow. The laser is constructed and arranged to transmit laser energy to the tubular...
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6870128 |
Laser boring method and system
A method for boring a well with a laser beam is provided, the method comprising: shining the laser beam into a conduit, wherein the laser beam is guided through the conduit by the internal...
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6864458 |
Iced film substrate cleaning
Apparatus for cleaning a surface of a substrate includes a cooling device, which is adapted to cool a region of the substrate in a vicinity of a particle on the surface, so as to cause a fluid in...
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6861613 |
Device and method for the preparation of building components from a combination of materials
The present invention relates to a generative method of fabrication and an accompanying device with which components can be fabricated from a combination of materials. The device comprises a bottom...
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6858262 |
Method for producing a surface-alloyed cylindrical, partially cylindrical or hollow cylindrical component and a device for carrying out said method
The invention relates to a method for manufacturing a surface-alloyed cylindrical, partly cylindrical or hollow cylindrical structural member where in the zone of incidence of the energy beam there...
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6847007 |
Process gas and laser machining method
A process gas and a process of laser machining, such as laser beam fusion cutting or laser beam welding is provided. A gas mixture that contains at least oxygen and hydrogen, in addition to an...
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6847005 |
Laser cutting method
A laser cutting device and method using a laser beam passing through an optical device producing a focal spot with a diameter between about 1.5 and 3 mm, and using a working gas flow. According to...
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6805751 |
Method and apparatus for removal of minute particles from a surface using thermophoresis to prevent particle redeposition
A method and apparatus for removing minute particles from a surface of a sample are provided that prevent redeposition of the particles onto the surface. By combining thermophoresis with laser...
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6797919 |
Laser ablation nozzle assembly
A laser ablation system includes a first embodiment of a nozzle assembly where a laser beam is emitted through the nozzle assembly to remove materials on a target. The nozzle assembly includes a...
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6791061 |
Optical machining device
An optical processing apparatus has high reliability and stable welding quality. In the processing apparatus, a semiconductor laser and an optical system are disposed to a flow path of processing...
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6777647 |
Combination laser cutter and cleaner
A system for processing a work piece comprises a laser jet mechanism having a laser and a fluid source. The laser is constructed and arranged to transmit laser energy to the work piece and the...
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