|| List of recent Laser Welding-related patents
|Culture plate with fiber-coated bottom surface|
A cell culture plate that includes an upper portion having at least one discrete chamber with a top edge and a bottom edge; a substantially flat lower portion, wherein at least one layer of polymer fibers has been deposited on the upper surface of the lower portion, and wherein the at least one layer of polymer fibers is conducive to the growth of biological cells thereon; and wherein the bottom edge of the at least one discrete chamber is hermetically sealed to the fiber-coated upper surface of the lower portion to form a well using adhesives, laser welding, or ultrasonic welding.. .
|Laser welding apparatus and laser welding method|
A laser welding apparatus generates laser by a laser oscillator, converges the laser by a condenser lens, and applies the laser to an upper sheet and a lower sheet superposed together so as to weld the upper sheet and the lower sheet to each other. According to this apparatus, by laser irradiation, a melt pool y is formed in the upper sheet and the lower sheet superposed together.
|Spark plug having firing pad|
A spark plug has a firing pad attached to a center electrode or to a ground electrode. The firing pad is attached via laser welding and has a sparking surface with an overall fused area and an unfused area.
|Methods and systems for cladding surfaces of components using hot wire laser welding|
A system and method of joining workpieces is provided where a clad layer is deposited in between the components and a weld bead is providing such that it contacts the clad layer. The system and method provided minimizes the heat input into the components by using the clad layers to provide the joining strength between the pipe components..
|Laser welding consumable|
A system and method for heating a filler wire (consumable) using a laser in brazing, cladding, building up, filling, overlaying, welding, and joining applications. The filler wire includes a first surface that absorbs energy from a laser beam and a second surface separated from said first surface by a thickness t that is in a range of 0.010 inch to 0.045 inch.
|Switchable special effect substances|
Wherein these compounds are irradiated with electromagnetic radiation of wavelength from 300 to 750 nm. The use of compounds of the general formula (i) or (ii) for marking materials, for example paper or mineral oil, and use of compounds of the general formula (i) or (ii) for causing a color change.
|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 and corresponding to the upper clamping link; at least two upper rollers rotatably mounted at the upper clamping link; at least two lower rollers rotatably mounted at the lower clamping link, corresponding to the upper roller, and fixing a welding object together with the upper rollers; and an operating cylinder configured to rotate the upper clamping link and the lower clamping link in opposite directions to each other..
|Method for eye-safe laser welding|
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 formed in the bottom of the housing.
|Line connector for media lines|
A line connector having a connector piece with at least one junction portion for junction connection to a media line or to an assembly, a transitional portion contiguous to the junction portion, and a flow duct. In at least the region of the transitional portion, an electrical heating element for the media line is provided in an arrangement at least partially surrounding the flow duct.
|Bus bar having novel structure and battery module including the same|
Disclosed herein is a bus bar for electrically connecting electrode leads of unit modules or battery cells (unit cells) in a battery module through a coupling method employing laser welding. Each of the electrode leads and the bus bar has a plate-shaped structure and a protrusion projecting toward the electrode leads is formed on the bus bar at a portion thereof, which is to be welded to the electrode leads through laser irradiation, to allow the portion of the bus bar, which is to be welded to the electrode leads, to be brought into close contact with the electrode leads..
|Method for repairing compressor or turbine drums|
During the repair of welded two-stage or multi-stage compressor or turbine drums, which after welding are machined in the weld area down to a height a, a first material coating with a height b extending on both sides from the root face is applied to the machined weld area, and a second and lesser material coating is applied by laser welding to the area of plasma pockets formed on the intact rotor disk, with the sum of the heights a and b corresponding to an original height c in the weld area prior to its final machining. Then the defective rotor disk is detached in the root face and through the middle of the first material coating, and after that a new rotor disk already validated in the new construction with the root face validated in the new construction is welded on using appropriate welding parameters, and the weld area is machined, in line with the parameters already used for the new construction, down to the original height a.
|Method for manufacturing inspection probe|
This is to provide a method for manufacturing an inspection probe in which qualities of a bonded portion of the inspection probe constituted by bonding wire rods including different metals are improved. The method for manufacturing an inspection probe is configured by bonding a first wire rod 110 and a second wire rod 120, at least one of which has an inspection contact portion at a tip thereof, performing laser welding by irradiating laser beam to outer circumferential surfaces of the first wire rod and the second wire rod with different energy quantities, and then, polishing the outer circumferential surfaces..
|Methods for manufacturing, modifying, and retrofitting a gas turbine injector|
A method for modifying a gas turbine injector is disclosed herein. The method for modifying a gas turbine injector includes removing a first tubular member from the gas turbine injector, replacing the first tubular member with a second tubular member, the second tubular member having a center axis and including a circumferential lip extending radially from the center axis, aiming a laser beam at the circumferential lip so that the laser beam forms an acute angle with the center axis, and, laser welding the second tubular member to the gas turbine injector at the acute angle, the laser welding forming a resultant weld between the second tubular member and the gas turbine injector, and such that at least a portion of the circumferential lip is consumed to form at least a portion of the resultant weld..
|Semiconductor device and method of manufacturing same|
A semiconductor device has a heat dissipating base; a patterned insulating substrate attached to the heat dissipating base with a solder therebetween; a semiconductor chip attached to a conductive pattern of the patterned insulating substrate with a solder therebetween; a first conductor attached to the semiconductor chip with a solder therebetween; a resin case attached to the heat dissipating base with an adhesive; and a second conductor attached to the first conductor by laser welding. The second conductor formed by rolling has stripe-shaped rolling traces formed on a surface thereof in a rolling direction and is disposed on the first conductor such that the rolling traces are arranged in a same direction..
|Method for producing an absorber for a solar collector, and a solar collector|
A method for producing a solar heat absorber for a solar collector, the solar heat absorber having a fluid inlet and a fluid outlet. The method includes the steps of providing a first and a second substantially flat metal plate, laser welding the plates together at least along a perimeter of the plates, providing at least a circumferential weld while pressing the plates together, placing the welded plates in a press that provides its pressure at the weld or welds and the press applying a pressure of at least 200 tons per m2 of absorber, and then providing a fluid under a pressure to the absorber via at least one of the fluid inlet and the fluid outlet..
|Method of manufacturing impeller for centrifugal blower|
A resinous blade-supporting rotator is prepared to rotate around a rotational axis. The blade-supporting rotator has rotator weld parts including rotator weld surfaces formed on one side surface in the axial direction.
|Laser welding plastic parts with two degrees of freedom|
The invention relates to a joining device (10, 20) and to a method for operating a joining device (10, 20), wherein a component (12, 22) comprising at least two parts is processed by means of an energy beam in such a way that the at least two parts are joined in a joining region by means of the energy beam, several components (12, 22) being fed and processed in succession by means of a conveying device (11, 21), characterized in that the energy beam by means of which the particular component (12, 22) is processed is moved along the joining region in dependence on the motion of the component (12, 22).. .
|Optical lens assembly and a laser welding method used for the same|
The present invention provides an optical lens assembly, comprising: at least an optical lens; a lens barrel within which the at least one optical lens is placed; and a retainer placed within the lens barrel; wherein the optical lens is arranged such that an optical axis thereof is aligned with a central axis of the lens barrel; and wherein the retainer is arranged such that a peripheral surface thereof is in contact with an inner wall of the lens barrel and a bottom surface thereof is pressed against one surface of the optical lens. A laser beam is used to irradiate the peripheral surface of the retainer to cause a temperature rise at an area where the retainer is in contact with the lens barrel to reach a welding temperature, thereby welding the retainer to an inner side of the lens barrel..
|Welding method, welding device and composite part|
A welding method, e.g., a laser welding method, for connecting a first workpiece to a second workpiece, includes a first method step in which the first and the second workpiece are brought into contact with each other; a second method step in which a desired welding distortion is ascertained; and a third method step in which the first and the second workpiece are welded to each other as a function of the welding distortion, and/or in which the first and the second workpiece are rotated about an axis of rotation at a rotational speed, the first and the second workpiece being welded to each other as a function of the rotational speed.. .
|Laser welding method and laser welded member for endoscope|
In a laser welding method for an endoscope, when the thickness of the plate of an outer cylindrical member is set as h, the thickness of the plate of an inner coil-shaped member is set as hc, the maximum welding energy of laser welding that does not change the inner and outer diameters of the outer cylindrical member in the place where the inner coil-shaped member is not placed inside the outer cylindrical member is set as e1, and the minimum welding energy that enables the outer cylindrical member to be fixed by welding to the inner coil-shaped member is set as e2, the spiral weld beads do not overlap, the welding depth h from the outer cylindrical member to the inner coil-shaped member holds true h<h<h+hc, the welding energy e satisfies the expression of e2≦e≦e1.. .
|Semiconductor device and manufacturing method thereof|
Terminal assembly portions, lying on a front surface side of a case, are aligned in a left-right direction in a portion raised from a bottom of the case so that opening faces of the terminal assembly portions are positioned above circuit formation regions. Wiring terminal plates are led out into the terminal assembly portions, and disposed adjacent to each other.
|Method & apparatus for laser welding with mixed gas plasma suppression|
Machinery and process are disclosed for laser welding. A beam is generated and focused on a discrete work surface, with a distinctive nozzle provided for delivering plasma suppression gas toward the surface.
|Brazing method and brazed structure|
In this brazing method, which brazes an insulating substrate and a top plate that configure an hv inverter cooler, the insulating substrate is disposed on the top plate with a brazing material layer therebetween, and then, by means of laser irradiation, laser welding is performed at an arbitrary plurality of positions at the joining section between the top plate and the insulating substrate, thus provisionally affixing the insulating substrate to the top plate. Thereafter, by means of heating and melting the brazing material layer, the insulating substrate is brazed onto the top plate with the plurality of laser-welded positions as the brazing start points.
|Laser welding structure of intank filter for motor vehicle|
The present invention includes an intank filter that is a component of a fuel pump module which is installed within a fuel tank of a motor vehicle to supply fuel into an engine, and more particularly, to a laser welding structure of an intank filter for a motor vehicle, for joining the intank filter through laser welding.. .
|Segmented profiled wheel and method for making same|
A segmented profiled wheel for grinding a glass or non-metallic workpiece including a segmented abrasive portion formed of a plurality of abrasive segments that are attached to a core of the wheel and method for making same. The plurality of abrasive segments have a cutting surface profile and sufficient abrasive grit to contour and grind the workpiece.
|Method and system for laser welding and cladding with multiple consumables|
A system and method to provide a welding or cladding operation is provided which using multiple consumables in a single operation, where the overall heat input is reduced. Each of the consumables can be deposited into a single molten puddle, where the total energy input to the puddle from trailing consumables is less than that of a leading consumable.
An electrochemical device which is free from deterioration of properties due to a process of joining a rigid case and a conductive lid is provided. A welded part pp of a conductive lid 12 and a welded frame member 11d are joined each other by laser welding.
|Laser welding method|
A laser welding method basically includes providing a robot that is moveably in accordance with predetermined movement data, and controlling the controlling a laser beam emitting section of the robot to emit a laser beam onto a predetermined irradiation position of a workpiece to conduct welding. The laser welding method further includes: measuring a current movement position of the robot with respect to a movement position specified in the predetermined movement data; operating of the robot to change the current movement position of the robot to a prescribed position based on the predetermined movement data; and adjusting a laser emission direction by controlling an emission changing section of the laser beam emitting section based on the current movement position of the robot and the predetermined movement data such that a laser beam is emitted from the laser beam emitting section and strikes the predetermined irradiation position of the workpiece..
|Laser welding method|
At a plurality of welding positions in an overlap portion of a plurality of members including a high-tensile steel sheet whose carbon content is 0.07 weight % or more, first beads (31 to 36) in a closed loop shape or a closed loop-like shape and second beads (41 to 46) in a closed loop shape or a closed loop-like shape on inner sides of the first bead (31 to 36) are formed by remote laser welding for joining. At this time, there are a procedure for successively forming the plural first beads (31 to 36) and a procedure for successively forming the plural second beads (41 to 46) for the plural formed first beads (31 to 36), and in both of the cases, the beads are each formed at a position except the closest welding position among the plural welding positions.
|Go/no go ball feeler gauge for parts checking jigs and method|
A go/no go ball feeler gauge includes a ball that is laser-welded to a rod. The rod is preferably cut utilizing an edm process to provide a flat end to which the metal ball is laser-welded.
|Measuring cassette and measuring device for the detection of target molecules in a liquid sample by measurement of fluorescence emission after excitation in an evanescent field|
An interchangeable disposable measuring cassette for insertion into a measuring apparatus for detecting target molecules in a liquid sample by measuring fluorescence emission has a flow measurement cell in which an excitation radiation provided by the measuring apparatus produces an evanescent field in the liquid sample beyond a boundary layer for the liquid sample and the measurement cell. To be better able to ensure that no sample liquid can cross from the measurement cell into the measuring apparatus, the measuring cassette includes a body including an optically transparent material and a base in contact with the underside of the body.
|Joining sheets to form a belt|
A method for joining a first sheet (10) to a second sheet (11) includes providing a first rigid plate (6); providing a gas absorbing layer on the first rigid plate; positioning the first sheet, the first sheet has at least a first layer (52) and a second layer (54), on the gas absorbing layer (8); positioning the second sheet, wherein the second sheet has at least a first layer and a second layer, on the gas absorbing layer; wherein an edge of the of the first sheet abuts an edge of the second sheet; placing a second rigid plate on top of the first and second sheet; wherein the second rigid plate is transparent; applying pressure to the first sheet edge and second sheet edge; and laser welding the edge of the first sheet to the edge of the second sheet with a first laser through the second rigid plate.. .
|Moisture resistant layered sleeve heater and method of manufacture thereof|
A method of forming a layered heater assembly includes: forming a plurality of layers onto a substrate, the plurality of layers including a resistive element layer; forming electrical terminations in contact with the resistive element layer; securing a protective cover over the layers using a laser welding process, wherein edges of the protective cover are welded circumferentially around raised end portions of the substrate and welded longitudinally along a slotted portion of the substrate; securing a pair of lead wires to the electrical terminations; and securing a lead cap assembly around the pair of lead wires and to the protective cover using a laser welding process.. .
|Welding system, welding process, and welded article|
A welding system, welding process and welded article are disclosed. The system includes a laser welding apparatus, a gmaw apparatus, and a gtaw apparatus.
|Method of laser welding|
The method includes: a stitch welding step where a laser beam of focal region is irradiated along a welding portion of the upper steel sheet and the lower steel sheet such that a molten slot is formed at the upper steel sheet along the welding portion and an heat expansion portion is formed at the lower steel sheet along the welding portion by thermal conduction; and a pattern welding step where the laser beam of focal region is irradiated along the welding portion with a predetermined pattern such that an edge of the molten slot formed at the upper steel sheet is melted together with the heat expansion portion of the lower steel sheet so as to form a molten pool.. .
|High-power laser focusing apparatus with pressurized housing and aerodynamic window|
A high-powered laser beam focusing apparatus for use in laser welding applications that includes a laser having a beam delivery fiber for generating a laser beam and a housing adapted to receive the beam delivery fiber. The housing further includes a first internal chamber adapted to receive a flow of pressurized gas; a second internal chamber; and an aerodynamic window positioned between the first chamber and the second chamber..
|Method of bonding polymer film, and method of producing polarizing film|
An object of the present invention is to provide high quality bonding of a polymer film such as a polyvinyl alcohol resin film while use of a light absorbing agent is suppressed. A method of bonding a polymer film, including contacting a surface of a polymer film with a surface of a material to be bonded, and laser welding the interface between the surface of the polymer film and the surface of the material to be bonded, wherein water is absorbed at least in the interface side of the polymer film, the interface side is irradiated with laser light, and the laser light is absorbed by the absorbed water to perform the laser welding..
|Laser-based lap welding of sheet metal components using laser induced protuberances to control gap|
A method for laser welding first and second components is provided including moving a laser beam across a portion of a surface of the first component at a speed sufficient to generate protuberances on the surface of the first component by means of a humping effect, juxtaposing said first and second components such that opposed surfaces of the first and second components are separated by said protuberances on the surface of the first component, and laser welding said first and second components by scanning the laser beam in a region in which said surfaces are separated by said protuberances. The height of the protuberances can be controlled by controlling a scanning speed of the laser beam..
|Industrial fabric including spirally wound material strips with reinforcement|
An industrial fabric such as an endless belt or sleeve for use in the production of nonwovens, and a method of making thereof are disclosed. The industrial fabric is produced by spirally winding strips of polymeric material, such as an industrial strapping or ribbon material, and joining the adjoining sides of the strips of material using ultrasonic welding or laser welding techniques.
|Industrial fabric including spirally wound material strips with reinforcement|
An industrial fabric, belt or sleeve and a method of making the fabric, belt or sleeve are disclosed. The industrial fabric, belt or sleeve is produced by spirally winding strips of polymeric material, such as an industrial strapping or ribbon material, and joining the adjoining sides of the strips of material using ultrasonic welding or laser welding techniques.
|Panel manufacturing method|
An object of the present invention is to provide a panel manufacturing method capable of easily adapting to manufacture of panels, such as door panels, of different sizes. The present invention provides a panel manufacturing method for a panel made of an outer plate integrated with an inner plate.
|Laser welded piston assembly|
An exemplary piston may include a piston body having radially inner and outer body mating surfaces. The piston may further include a cooling gallery ring cooperating with the piston body to form a continuous upper combustion bowl surface and a cooling gallery.
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.
|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 the first amount of radiation detected in the first wavelength range, detecting, in a spatially resolved manner, a second amount of radiation emerging from the workpiece in a second wavelength range, the second wavelength range being different than the first wavelength range, determining a second geometric parameter of the seam characteristic based on the second amount of radiation detected in the second wavelength range, comparing the first and second geometric parameters to respective reference values or to respective tolerance intervals to provide respective comparison results, and logically combining the respective comparison results to verify the seam quality..
|Method for welding a plastic housing|
The main part of the melt produced during laser welding of two housing parts along a circumferential edge is made to flow towards the printed circuit board by a predefined geometry, thus fixing the board in a form-fitting manner. The basic geometry is modified to prevent the melt from distributing in both directions in an uncontrolled manner and make it flow towards the inside of the housing in a targeted manner.
|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.
|Method for manufacturing a plate including multiple metal layers|
A method for manufacturing a plate including multiple metal layers is provided. The method includes: disposing a semi-finished plate formed of a first metal in a mold, wherein a surface of the semi-finished plate is roughened; and injecting a second metal in liquid form onto the roughened surface of the semi-finished plate, so as to form a second metal layer on the semi-finished plate, wherein the second metal in liquid form covers and fills the roughened surface of the semi-finished plate.
|Aluminum housing with a hermetic seal|
A housing for an energy storage cell includes an interior which provides beneficial properties to fabricators of the cell. The cell may be hermetically sealed by conventional laser welding techniques..
|Method for contactless laser welding and apparatus|
A method for contactless laser welding of a plurality of sheets of material stacked upon one another includes simultaneously delivering a laser beam and a stream of fluid through a laser head and further through an end cap which is removably mounted to the laser head. The end cap is configured with a stationary cylinder, which is coupled to the laser head, and a piston movable relative the cylinder.
|Laser beam welding method and molded components fabricated thereby|
The invention relates to a method for laser welding two plastic components a, b brought into contact at least in the joining area, wherein component b facing away from the laser radiation consists of a plastic matrix with a white pigmentation of 1.5 5-20 wt.-%, and component a facing the laser radiation, through which the laser beam passes in the welding process, exhibits a plastic matrix. For a given laser wavelength the travel distance of the laser beam through the component a measures at most 10 mm, and given a white pigmentation of the component a in wt.-%, the product of the travel distance of the laser 10 beam through the component a in mm and white pigmentation in wt.-% is less than 1.25, and the travel distance of the laser beam through the component a measures at most 1 mm..
|Vent member and method of manufacturing the same|
A vent member (10) includes: a support body (4) having a vent passage (a vent hole (3)) between an interior space (22) and an exterior space (24) of a housing (20); a gas-permeable membrane (2) disposed on the support body (4) to close the vent passage (3) on the side of the exterior space (24); a cover (6) attached to the support body (4) to protect the gas-permeable membrane (2); and a laser welding portion (12) that joins the cover (6) and the support body (4) together. For example, the support body (4) is made of a first material that relatively easily absorbs laser light for forming a laser welding portion (12).