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Electric Heating > Metal Heating (e.g., Resistance Heating) > By Arc > Using Laser > Welding

Welding

Welding patent applications listed include Date, Patent Application Number, Patent Title, Patent Abstract summary and are linked to the corresponding patent application page.

04/10/14 - 20140097161 - Optical system and laser processing apparatus
Provided are an optical system and a laser processing apparatus with which spattering can be suppressed by reducing an evaporation reactive force at a workpiece by forming two focal points on the optical axis, using a simple configuration. An optical system is provided with a convex lens that focuses laser...

02/06/14 - 20140034620 - Clamping device and laser welding apparatus using the same
A clamping device and a laser welding apparatus using the same are disclosed. The clamping device may include: an upper clamping link mounted rotatably upwardly or downwardly by a hinge shaft; a lower clamping link mounted rotatably in an opposite direction of the upper clamping link by the hinge shaft...

01/09/14 - 20140008332 - Method and system of using gas flow to control weld puddle in out-of-position welding
A system and method for using gas flow to control a molten puddle in out-of-position applications is provided. The system includes a high intensity energy source configured to heat at lease one workpiece to create a molten puddle and a housing assembly configured to supply a gas over the molten...

01/02/14 - 20140001163 - Bonding device
A chip attraction passage 23 is provided extending through a housing 5A, a tool base 13, and a bonding tool 14. When the chip attraction passage 23 is attracted by the vacuum source 32, a semiconductor chip 3 can be attracted to and held on the lower surface of the...

12/26/13 - 20130341311 - Weld defect detection systems and methods for laser hybrid welding
Laser hybrid welding systems adapted to identify and/or fix a weld defect occurring during a laser hybrid welding process are provided. Embodiments of the laser hybrid welding system may include one or more devices that provide feedback to a controller regarding one or more weld parameters. One embodiment of the...

12/05/13 - 20130319981 - Dual laser head
A laser machine tool for the machining of workpieces by laser ablation comprising a moveable dual laser head (4). The laser machine tool has a dual laser head (4) intended for the emission of laser beams, whereby the laser head (4) incorporates in its housing two or more laser sources...

10/17/13 - 20130270232 - Apparatus and method of manufacturing lazer diode unit utilizing submount bar
A manufacturing method of laser diode unit of the present invention includes steps: placing a laser diode on top of a solder member formed on a mounting surface of a submount, applying a pressing load to the laser diode and pressing the laser diode against the solder member, next, melting...

08/01/13 - 20130193123 - Method for inspecting the quality of a solder joint
A method for monitoring quality of a weld, includes implementing a probabilistic statistical model, for determining a rating of the quality of the weld....

08/01/13 - 20130193124 - Dual fillet welding methods and systems
A system and method of hybrid welding a dual fillet weld. The system includes a laser system that leads a first torch and preheats at least one workpiece. The system also includes a first welding power supply that supplies a first welding waveform to a first wire via the first...

06/27/13 - 20130161299 - Laser optics with passive seam tracking
The present invention relates to a device for guiding a laser beam along a target path, particularly a joint. It has a laser beam input module that guides an incident laser beam onto a swiveling beam guiding device downstream from the laser beam input module. The beam guiding device projects...

06/20/13 - 20130153549 - Apparatus and method for manufacturing a swing-ring plate
Disclosed is an apparatus and method for manufacturing a swing-ring plate. More particularly, the apparatus and method for manufacturing the swing-ring plate comprises a bending mechanism that moves a linear plate cut to a certain length from a first side to a second side, and bends the linear plate so...

05/30/13 - 20130134139 - Pulsed laser machining method and pulsed laser machining equipment, in particular for welding with variation of the power of each laser pulse
A laser machining method includes A) generating, by a laser source, a laser beam having an initial wavelength between 700 and 1200 nanometers of laser pulses; B) doubling frequency of one part of the laser beam by a non-linear crystal; C) varying power throughout each emitted laser pulse so that...

03/14/13 - 20130062324 - Method of verifying seam quality during a laser welding process
This disclosure relates to verifying a seam quality during a laser welding process. In certain aspects, a method includes detecting, in a spatially resolved manner, a first amount of radiation emerging from a workpiece in a first wavelength range, determining a first geometric parameter of a seam characteristic based on...

03/14/13 - 20130062325 - Computer housing
A visually seamless method of joining a first piece of metal and a second piece of metal is described. The first piece of metal is placed in contact with an edge of the second piece of metal. In some embodiments, the edge includes a sacrificial lip. The first piece of...

03/07/13 - 20130056448 - Wire bonding system for semiconductor package
A wire bonding system of a semiconductor package comprising a wire feeding device for positioning a wire at a ball formation position, a laser beam generation unit for generating a carbon dioxide laser beam, and a laser beam guiding unit for directing the laser beam at the ball formation position...

02/28/13 - 20130048615 - Rotating laser welding pressure unit
A laser welding pressure unit comprises a housing, a rotating element, and a foot. The housing may attach to a laser head. The rotating element may include an outer ring rotatably coupled to an inner ring, wherein the outer ring is coupled to the housing. The foot may couple to...

01/31/13 - 20130026142 - Welding equipment
A welding equipment that forms an end part includes a vacuum chamber; a holding member that is installed in the vacuum chamber and that holds the end part in which a welding groove is formed by placing a half cell, an end plate, and a beam pipe next to each...

12/20/12 - 20120318775 - Optical measuring device for monitoring a joint seam, joining head and laser welding head with same
An optical measuring device for monitoring a joint seam, joining head and laser welding head. The optical measuring device monitors a joining region in a workpiece and has at least one light-section device with a first light source for casting a light fan in the direction of the workpiece to...

11/15/12 - 20120285936 - Laser welding apparatus and laser welding method
A laser welding apparatus includes: a first optical element that coaxially emits, to a welded part, a laser beam emitted from a laser light source and an object beam having a different wavelength from the laser beam; a second optical element that causes the spot diameter of the object beam...

10/18/12 - 20120261393 - Modular system for surface welding inner surfaces of workpieces, comprising a laser beam and multiple modules
The invention relates to a modular system for overlay welding at inwardly disposed surfaces of workpieces using a laser beam. In this respect, a coating can be formed on inwardly disposed surfaces using a powdery welding material. It is the object of the invention to provide possibilities for the overlay...

10/11/12 - 20120255937 - Robot system
This robot system includes a robot, a laser emitting portion moved by the robot, capable of scanning a welding locus with a laser beam at least in a state where the laser emitting portion is not moving, and a control portion controlling the laser emitting portion to scan the welding...

09/27/12 - 20120241424 - Welding method and welding apparatus
A welding technique closely contacting a light transmissive second member to a first member and radiating deflection-controlled laser light from a second member side to weld both first and second members at a weld interface thereof. A reflectance reducing means is formed by an incident angle adjusting step provided in...

09/20/12 - 20120234804 - Spatter removing device for laser welder
A spatter removing device for a laser welder including an optic head to which a laser beam is transferred through an optic fiber from a laser oscillator, a cross jet mounted at one side of a lower end portion of the optic head, a safety cover provided at the outside...

09/20/12 - 20120234805 - Welding head and method for joining a workpiece
A method for joining a workpiece by means of a welding head, in which at least one line of light is generated on a workpiece, which crosses a joint line at a site to be joined and a joint seam generated at a joined site after processing. The lines of...

08/09/12 - 20120199564 - Powder-delivery apparatus for laser-cladding
Powder-delivery apparatus for delivering powdered cladding-material into the vicinity of a laser-beam spot includes a plurality of powder-delivery modules. Each of the modules is arranged to receive the cladding-material and deliver the cladding-material through a plurality of nozzles. The position of the nozzles in the modules with respect to the...

07/12/12 - 20120175353 - Welding system and welding method
A welding system is described as having an energy source, in particular a laser beam source, for implementing a heat transfer for welding a first component to at least one second component in a connection area and having a sensor for detecting the processing radiation of the welding procedure. The...

06/14/12 - 20120145682 - Gripper device for laser welding and vision inspection
A gripper device for laser welding and vision inspection is provided which includes a frame unit releasably mounted on a front end of an arm of a robot and a clamping unit mounted on the frame unit. Additionally, embodied in this single gripper device is a laser-vision exchange (first) module,...

05/03/12 - 20120103949 - Laser-induced metallurgical bonding driven without contact
A laser, aimed at a flyer plate tab, causes optical energy to be directed at the tab, specifically, at a top surface thereof. Energy impacting the tab accelerates the tab into an impact with a target sheet in a time on the order of about 10−5 seconds. The impact occurs...

04/05/12 - 20120080413 - Laser welding apparatus
Together with a scanner device, an air blower is provided above a workpiece, and the air blower exhausts air in the shape of a ring toward the workpiece, the air in a ring shape surrounding an optical axis of a laser beam emitted from the scanner device. A housing of...

12/22/11 - 20110309057 - Laser heating apparatus for metal eutectic bonding
A laser heating apparatus for metal eutectic bonding is disclosed in the present invention. The laser heating apparatus has a table for supporting a substrate having a first metal; a holding unit, located above the table and moving with respect to the table, for holding an object having a second...

11/17/11 - 20110278265 - Laser welding tool
A welding tool is configured with a housing enclosing a fiber laser system which is operative to produce a weld seam for connecting two workpieces. The fiber laser system includes a focusing optic configured to focus the output beam of the system so that it propagates through an elongated slit...

10/27/11 - 20110259857 - Rotating laser welding pressure unit
A laser welding pressure unit comprises a housing, a rotating element, and a foot. The housing may attach to a laser head. The rotating element may include an outer ring rotatably coupled to an inner ring, wherein the outer ring is coupled to the housing. The foot may couple to...

10/06/11 - 20110240612 - Welding apparatus and welding method
A welding apparatus includes a table on which first, second and third blanks are to be fixed, a first positioning station where the first and second blanks are fixed on the table, a first welding station where the first and second blanks are welded together at their abutting surfaces, a...

07/21/11 - 20110174785 - Laser welding structure
A laser welding structure includes a housing, a lower metal terminal, and an upper metal terminal. The upper metal terminal is positioned above the lower metal terminal and has a smaller width than the lower metal terminal. The housing includes a groove and a sidewall that extends from the groove...

05/12/11 - 20110108529 - System for spot welding with a laser beam
The present invention relates to a system for spot welding with a laser beam (6) in which the laser beam (6) passes through a tube (3) and impinges on the components (7.1, 7.2) to be welded together. The cross section of the laser beam (6) is formed by reflections inside...

05/05/11 - 20110100963 - Device for the laser transmission welding of components over a ring-shaped contact zone
A device for joining by a laser beam two components along a ring-shaped contact zone jointly formed by the components using a laser beam where a first of the two components is transmissive for the laser beam and a second of the two components is absorptive for the laser beam....

04/21/11 - 20110089148 - Laser welder
An apparatus for fitting two first workpieces with respective second workpieces of different dimensions has a track extending longitudinally through an assembly station and a welding station. An assembling appliance in the assembly station has a pair of jigs each dimensioned to fit with a respective one of the second...

04/21/11 - 20110089149 - Head and method for laser arc hybrid welding
A laser arc hybrid welding head and method which can form satisfactory beads at high speed are provided. A laser arc hybrid welding head (1) for welding a base material (W), which comprises aluminum steel sheets, by performing laser light irradiation and arc discharge, thereby combining laser welding and arc...

12/16/10 - 20100314362 - Weld defect detection systems and methods for laser hybrid welding
Laser hybrid welding systems adapted to identify and/or fix a weld defect occurring during a laser hybrid welding process are provided. Embodiments of the laser hybrid welding system may include one or more devices that provide feedback to a controller regarding one or more weld parameters. One embodiment of the...

11/18/10 - 20100288738 - Welding apparatus and method
A welding apparatus includes a primary laser generator for emitting a primary laser beam; an arc welding power source; a consumable filler electrode; and at least one secondary laser generator for emitting a secondary laser beam. The primary laser generator, the arc welding power source, and the consumable filler electrode...

07/15/10 - 20100176097 - Arrangement for the repair of the blades of blisk drums by means of laser deposition welding
An arrangement for the repair of BLISK blades damaged at their leading and trailing edges by use of laser deposition welding, includes a laser source and laser optics for generating a focused laser beam (26) and a powder line (35) connected to a powder reservoir for supplying metal powder to...

06/10/10 - 20100140232 - Clamping apparatus for clamping at least two component parts
The invention relates to a clamping device for clamping at least two components (6, 7) in a radiation-protected machine tool, particularly in a laser welding device (1), comprising—a receptacle (18) for supporting the first component (6), —a clamping head (16) for applying a force to the second component (7) in...

04/22/10 - 20100096369 - Multi-axis laser welding head for spacer grid
Disclosed therein is a multi-axis laser welding head for a spacer grid, which is one of essential components of a nuclear fuel assembly. More particularly, the multi-axis laser welding head for the spacer grid can be operated more smoothly and variously during the welding of the spacer grid to thereby...

04/01/10 - 20100078411 - Powder feed cylinder assemblies and powder feeders
Powder feed cylinder assemblies and powder feeders are provided. A powder feed cylinder assembly includes a cylinder, a bit, and bushings. The cylinder has a main passage, a first feed channel, and a second feed channel, each feed channel at two axial locations between the cylinder's two ends. The bit...

11/12/09 - 20090277886 - Laser device with pendulum-type pressure roller
The invention concerns a laser device for joining work pieces made of plastic by means of beam welding technology, with a processing head that has focusing devices for the laser beam. Here, the focusing device that is closest to the work pieces has a rotatably supported cylinder lens in the...

11/05/09 - 20090272723 - Vehicle floor production system
In one aspect, the present invention provides a vehicle floor production system, in which a carrier is moved through a loop formed by a return line provided at the top of the system and a welding line provided at the bottom, and the carrier is horizontally moved by the frictional...

09/17/09 - 20090230100 - Method and device for robot-aided remote laser welding with simplified control of focusing direction of laser beam
device for remote laser welding of metal sheet structures comprises an anthropomorphous robot onto whose wrist is mounted an accessory device carrying a focusing head for the laser beam coming from a laser source, as well as means for oscillating the pointing direction of the focused laser beam around one...

09/03/09 - 20090218325 - Transmission laser welding method for connecting shaped plastic bodies
The present invention relates to an apparatus for welding tube segments to a tubular shaped body, and to a laser welding method for connecting a tube segment to a tubular shaped body, in which the tube wall of the tube segment is constructed from at least two material layers that...

08/27/09 - 20090212028 - Laser-arc hybrid welding head
A laser-arc hybrid welding head for performing laser light irradiation and arc discharge of a base material to weld the base material by combined use of laser welding and arc welding, comprising: an optical fiber for transmitting laser light used in laser welding; and an arc electrode for generating an...

07/23/09 - 20090184094 - Laser assembly with electronic masking system
The invention concerns a laser assembly for processing or joining work pieces by means of electromagnetic radiation, with a laser source that emits a laser beam, and an electronic masking system for the work pieces that succeeds the laser source. The masking system images the passing laser beam on the...

07/16/09 - 20090179012 - Laser processing machine component having a corrosion-resistant internal coating
A component of a laser processing machine includes an aluminum base member in which a duct is constructed in order to convey copper-ionized water. The duct has a corrosion-resistant plastic coating....