Abstract

A surface processing method is for removing a surface of a processing object by moving a laser beam spot with respect to the processing surface, where the beam spot is formed by condensing a continuous wave laser beam on an irradiation surface of the processing object. An irradiation time length is 20 μ-second or less when the beam spot passes through one point on the irradiation surface. A relative speed of the beam spot to the irradiation surface is 3 m/s or more.

IPC Classes  ?

• B23K 26/0622 - Shaping the laser beam, e.g. by masks or multi-focusing by direct control of the laser beam by shaping pulses
• B23K 26/082 - Scanning systems, i.e. devices involving movement of the laser beam relative to the laser head
• B23K 26/352 - Working by laser beam, e.g. welding, cutting or boring for surface treatment
• B23K 26/36 - Removing material

Abstract

A laser irradiation apparatus irradiates an irradiation object with a laser beam. The apparatus comprises scanning pattern formation sections that change at least either of an emitting direction and a shift amount (size) of a laser beam periodically so that a position irradiated with a laser beam moves periodically along a predetermined scanning pattern on a predetermined plane. And the apparatus comprises an irradiation control section that stops irradiation of a laser beam directed to an excessive irradiation prevention area set in some area in the scanning pattern or makes an intensity of the laser beam lower in comparison with an intensity of a laser beam directed to an area other than the excessive irradiation prevention area.

IPC Classes  ?

• B23K 26/082 - Scanning systems, i.e. devices involving movement of the laser beam relative to the laser head

Abstract

Provided is a surface treatment method of a metallic material having a protective layer formed thereon. A surface of the protective layer is scanned while irradiating the surface and the surface is scanned while moving an irradiation spot along the surface, in a state in which a side layer of the protective layer along the metallic material remains covering the metallic material, and a side layer of the protective layer opposite to the metallic material side is removed by irradiation with the laser beam.

IPC Classes  ?

• B23K 26/362 - Laser etching
• B08B 3/04 - Cleaning involving contact with liquid
• B32B 15/01 - Layered products essentially comprising metal all layers being exclusively metallic

Abstract

[Problem] Provided is a surface treatment method with which the formation of an oxide film is suppressed while the removal performance of the surface of an object to be treated is ensured by a simple process. [Solution] This surface treatment method involves removing a surface of an object O to be treated by moving a beam spot BS, obtained by condensing continuous-wave laser beams B on an irradiation target surface of the object, with respect to the irradiation target surface, wherein an irradiation time when the beam spot passes through one point on the irradiation target surface is at most 20 μs, and the relative velocity of the beam spot to the irradiation target surface is at least 3 m/s.

IPC Classes  ?

• B23K 26/36 - Removing material
• B23K 26/082 - Scanning systems, i.e. devices involving movement of the laser beam relative to the laser head

Abstract

Disclosed is a way of providing a surface processing method for concrete in which vitrifying is suppressed even when high-speed processing is performed. In a surface processing method of concrete, a surface of the concrete is irradiated with a laser beam so that a beam spot is scanned along a predetermined scanning pattern and the scanning pattern moves along the surface at a predetermined feed speed. When the beam spot repeatedly passes through a predetermined portion in the scanning pattern, an overlap ratio, which is a ratio of overlapping of a passage path of the beam spot over a passage path of the beam spot in an immediately preceding irradiation, is 90% or less.

IPC Classes  ?

• B23K 26/354 - Working by laser beam, e.g. welding, cutting or boring for surface treatment by melting
• B23K 26/082 - Scanning systems, i.e. devices involving movement of the laser beam relative to the laser head
• B23K 26/364 - Laser etching for making a groove or trench, e.g. for scribing a break initiation groove

Goods & Services

Metalworking machines and tools; construction machines and apparatus; glassware manufacturing machines; painting machines and apparatus; plastic processing machines and apparatus; semiconductor manufacturing machines and apparatus; stone working machines and apparatus; power machine and apparatus [other than for land vehicles]; electric vacuum cleaners; machines and apparatus for repairing; vehicle washing machines; waste shredding equipment; machines and apparatus for metal surface processing using laser; machines and apparatus for glass surface processing using laser; machines and apparatus for plastic surface processing using laser; machines and apparatus for semiconductors surface treatments using laser; machines and apparatus for stone surface treatment using laser; machines and apparatus for metalworking using laser; machines and apparatus for glass processing using laser; machines and apparatus for processing plastics using laser; machines and apparatus for processing semiconductors using laser; machines and apparatus for processing stone using laser; coating film stripping apparatus for buildings using laser; coating film stripping apparatus for structures using laser; coating film stripping apparatus for vehicles using laser; surface cleaning apparatus for buildings using laser; surface cleaning apparatus for structures using laser; surface cleaning installation for vehicles using laser. Construction; construction consultancy; operation and maintenance of building equipment; repair or maintenance of vessels; repair or maintenance of aircrafts; repair or maintenance of automobiles; repair or maintenance of railway rolling stocks; repair or maintenance of optical machines and apparatus; repair or maintenance of applied electronic machines and apparatus; repair or maintenance of glassware manufacturing machines; repair or maintenance of metal working machines and tools; repair or maintenance of semiconductor manufacturing machines and systems; repair or maintenance of painting machines and apparatus; repair or maintenance of plastic processing machines and apparatus; repair or maintenance of storage tanks; repair or maintenance of vehicle washing installations; repair or maintenance of machines and apparatus for use in amusement parks; repair or maintenance of nuclear power plants; repair or maintenance of chemical plants; cleaning of building exterior surfaces; window cleaning; floor polishing; street cleaning; tanks cleaning; rental of construction machines and apparatus; rental of floor cleaning machines; rental of car-washing installations; exterior wall painting; exterior wall painting removal; offering information or advice regarding exterior wall painting removal; wall painting removal provided on an outsourcing basis; removal of coating film from buildings using laser; removal of coating film from structures using laser; removal of coating film from vehicles using laser; cleaning of building exterior walls using laser; cleaning of structure exterior walls using laser; cleaning of vehicles using laser; rental of cleaning apparatus for the removal of coating film from buildings using laser; rental of cleaning apparatus for the removal of coating film from structures using laser; rental of cleaning apparatus for the removal of coating film from vehicles using laser; rental of exterior wall cleaning apparatus for buildings using laser; rental of exterior wall cleaning apparatus for structures using laser; rental of cleaning apparatus for vehicles using laser. Metal working; processing of rubber; processing of plastics; ceramic processing; stone treating; rental of metal working machines and tools; rental of waste shredding equipment; rental of glassware manufacturing machines; providing comprehensive material treatment information that does not specify material; metal surface treatment using laser; glass surface treatment using laser; plastic surface treatment using laser; stone surface treatment using laser; metal working using laser; glass working using laser; plastic working using laser; semiconductor working using laser; stone working using laser; treatment of metal surface using laser; treatment of glass surface using laser; treatment of plastic surface using laser; treatment of semiconductor surface using laser; treatment of stone surface using laser; removal of coating films on metals using laser; removal of coating films on glass using laser; removal of coating films on plastics using laser; removal of coating films on semiconductors using laser; removal of coating films on building stones using laser; rental of machines and apparatus for metal surface processing using laser; rental of machines and apparatus for glass surface processing using laser; rental of machines and apparatus for plastic surface processing using laser; rental of machines and apparatus for semiconductor surface processing using laser; rental of machines and apparatus for stone surface processing using laser; rental of machines and apparatus for metal working using laser; rental of machines and apparatus for glass working using laser; rental of machines and apparatus for plastic processing using laser; rental of machines and systems using laser for manufacturing of semiconductors; rental of machines and apparatus for stone working using laser.

Abstract

Disclosed is a laser irradiation state diagnosing method which allows accurately diagnosing a laser irradiation state. When irradiating a laser beam so that an irradiation spot scans the surface of the irradiation object, acoustic information in vicinity of the irradiation spot is acquired. And based on characteristics of the acoustic information, such as an intensity of a component of a specific frequency band or a frequency band distribution, a state of peeling of the adhered substances existing on the surface of the irradiation object is determined.

IPC Classes  ?

• G01N 21/17 - Systems in which incident light is modified in accordance with the properties of the material investigated
• H04R 1/08 - MouthpiecesAttachments therefor
• H04R 1/40 - Arrangements for obtaining desired frequency or directional characteristics for obtaining desired directional characteristic only by combining a number of identical transducers
• H04R 3/00 - Circuits for transducers

Abstract

[Problem] To provide: a laser irradiation device that prevents local deterioration of surface quality of an irradiation target object; etc. [Solution] A laser irradiation device for irradiating an irradiation target object O with laser light L is provided with: a scanning pattern formation unit 20, 50 that periodically changes at least one of an emission direction and a shift amount of the laser light such that an irradiation point BS of the laser light periodically moves along a predetermined scanning pattern C on a predetermined plane; and an irradiation control unit 110 that stops irradiation of laser light directed to an over-irradiation prevention area PA set in some area of the scanning pattern, or decreases intensity of the laser light with respect to laser light directed to an area other than the over-irradiation prevention area.

IPC Classes  ?

• B23K 26/08 - Devices involving relative movement between laser beam and workpiece
• B23K 26/00 - Working by laser beam, e.g. welding, cutting or boring
• B23K 26/082 - Scanning systems, i.e. devices involving movement of the laser beam relative to the laser head

Abstract

To provide a laser irradiation apparatus which suppresses adhesion of foreign matters to an optical element, a laser irradiation device includes: emission optical systems, which form a beam in which laser light generated by a laser oscillator converges on a predetermined beam spot, and continuously change an irradiation direction or the like of the beam; and a protective member which is arranged between the emission optical system and the beam spot, and protects the emission optical system from foreign matters scattered from an irradiation object side, and the protective member has an aperture through which the beam passes and moves in connection with a change of the irradiation direction or the like of the beam so that the aperture is positioned on a path of the beam.

IPC Classes  ?

• G02B 27/00 - Optical systems or apparatus not provided for by any of the groups ,
• G02B 26/10 - Scanning systems
• G02B 26/12 - Scanning systems using multifaceted mirrors
• G02B 5/00 - Optical elements other than lenses
• G02B 19/00 - Condensers
• G02B 26/08 - Optical devices or arrangements for the control of light using movable or deformable optical elements for controlling the direction of light
• B23K 26/70 - Auxiliary operations or equipment
• B23K 26/16 - Removal of by-products, e.g. particles or vapours produced during treatment of a workpiece

Goods & Services

Metal working; processing of rubber; processing of plastics; ceramic processing; stone treating; rental of metal working machines and tools; rental of waste shredding equipment; rental of glassware manufacturing machines; providing comprehensive information relating to material treatment that does not specify material; metal surface treatment using laser; glass surface treatment using laser; plastic surface treatment using laser; stone surface treatment using laser; metal working using laser; glass working using laser; plastic working using laser; semiconductor working using laser; stone working using laser; treatment of metal surface using laser; treatment of glass surface using laser; treatment of plastic surface using laser; treatment of semiconductor surface using laser; treatment of stone surface using laser; removal of coating films on metals using laser; removal of coating films on glass using laser; removal of coating films on plastics using laser; removal of coating films on semiconductors using laser; removal of coating films on building stones using laser; rental of machines for metal surface processing using laser; rental of machines for glass surface processing using laser; rental of machines for plastic surface processing using laser; rental of machines for semiconductor surface processing using laser; rental of machines for stone surface processing using laser; rental of machines for metal working using laser; rental of machines for glass working using laser; rental of machines for plastic processing using laser; rental of machines and systems using laser for manufacturing of semiconductors; rental of machines for stone working using laser Metalworking machines and machine tools; glassware manufacturing machines; painting machines; plastic processing machines; semiconductor manufacturing machines; stone working machines; electric vacuum cleaners; vehicle washing machines; waste shredding equipment for industrial use; machines for metal surface processing using laser; machines for glass surface processing using laser; machines for plastic surface processing using laser; machines for semiconductors surface treatments using laser; machines for stone surface treatment using laser; machines for metalworking using laser; machines for glass processing using laser; machines for processing plastics using laser; machines for processing semiconductors using laser; machines for processing stone using laser; coating film stripping machines for buildings using laser; coating film stripping machines for structures using laser; coating film stripping machines for vehicles using laser; surface cleaning machines for buildings using laser; surface cleaning machines for structures using laser; surface cleaning machines for vehicles using laser construction consultancy; repair or maintenance of vessels; repair or maintenance of aircrafts; repair or maintenance of automobiles; repair or maintenance of railway rolling stocks; repair or maintenance of optical machines; repair or maintenance of applied electronic machines; repair or maintenance of glassware manufacturing machines; repair or maintenance of metal working machines and tools; repair or maintenance of semiconductor manufacturing machines and systems; repair or maintenance of painting machines; repair or maintenance of plastic processing machines; repair or maintenance of storage tanks; repair or maintenance of vehicle washing machines; repair or maintenance of machines for use in amusement parks; repair or maintenance of nuclear power plants; repair or maintenance of chemical plants; cleaning of building exterior surfaces; window cleaning; floor polishing; street cleaning; cleaning of storage tanks; rental of construction machines; rental of floor cleaning machines; rental of car-washing machines; exterior wall painting; exterior wall paint removal services; offering information or advice regarding exterior wall paint removal; wall paint removal provided on an outsourcing basis; removal of coating film from buildings using laser; removal of coating film from structures using laser; removal of coating film from vehicles using laser; cleaning of building exterior walls using laser; cleaning of structure exterior walls using laser; cleaning of vehicles using laser; rental of cleaning machines for the removal of coating film from buildings using laser; rental of cleaning machines for the removal of coating film from structures using laser; rental of cleaning machines for the removal of coating film from vehicles using laser; rental of exterior wall cleaning machines for buildings using laser; rental of exterior wall cleaning machines for structures using laser; rental of cleaning machines for vehicles using laser

Abstract

[Problem] To provide a surface treatment method which improves base material protection performance by means of the protective layer remaining after removal treatment of a deteriorated portion.　[Solution] This surface treatment method of a metal material having a protective layer formed thereon is configured such that the surface of the protective layer is scanned while irradiating the surface with a laser and moving the irradiated area along the surface, and, in a state in which the metal material-side layer of the protective layer remains and covers the metal material, the layer of the protective layer on the side opposite of the metal material is removed by irradiation with a laser.

IPC Classes  ?

• B23K 26/36 - Removing material
• B32B 38/18 - Handling of layers or the laminate
• C23F 15/00 - Other methods of preventing corrosion or incrustation

Abstract

To provide a surface treatment device having improved treatment quality of surface treatment using a foamable material, a surface treatment device includes, a moving body which can move along a surface of a processed object, a first spray device which is provided on the moving body and sprays a first material Sf having foamability on the surface of the processed object, and a second spray device which is provided on the moving body and sprays a second material Sc for covering the surface of the first material on a area of the surface of the processed object after spraying the first material from the first spray device and the first material is foamed.

IPC Classes  ?

• B05D 1/02 - Processes for applying liquids or other fluent materials performed by spraying
• B05D 1/36 - Successively applying liquids or other fluent materials, e.g. without intermediate treatment
• E04B 1/68 - Sealings of joints, e.g. expansion joints
• E04B 1/76 - Heat, sound or noise insulation, absorption, or reflectionOther building methods affording favourable thermal or acoustical conditions, e.g. accumulating of heat within walls specifically with respect to heat only
• E04F 21/08 - Mechanical implements
• E04B 1/74 - Heat, sound or noise insulation, absorption, or reflectionOther building methods affording favourable thermal or acoustical conditions, e.g. accumulating of heat within walls

Abstract

[Problem] To provide a laser irradiation device control system and the like with which suitable laser processing can be carried out even in a state in which it is difficult to predict the state of an irradiation subject in advance. [Solution] A laser irradiation device control system provided with a client terminal 200, which is provided to a laser irradiation device side, and a server, which is capable of communicating with the client terminal, said control system being configured such that the client terminal has an irradiation subject information acquisition unit 210 for acquiring information pertaining to the state of an irradiation subject, and an irradiation parameter setting unit for setting an irradiation parameter, and the server has an irradiation parameter information storage unit 300 for storing in advance, and in association with each other, the state of the irradiation subject, the irradiation parameter, and information pertaining to an irradiation result, and an irradiation parameter selection unit 400 for selecting and providing to the client terminal an irradiation parameter, on the basis of the information stored in the irradiation parameter information storage unit and the information pertaining to the state of the irradiation subject as received from the client terminal.

IPC Classes  ?

• B23K 26/03 - Observing, e.g. monitoring, the workpiece
• B23K 26/00 - Working by laser beam, e.g. welding, cutting or boring
• B23K 26/16 - Removal of by-products, e.g. particles or vapours produced during treatment of a workpiece
• G05B 19/418 - Total factory control, i.e. centrally controlling a plurality of machines, e.g. direct or distributed numerical control [DNC], flexible manufacturing systems [FMS], integrated manufacturing systems [IMS] or computer integrated manufacturing [CIM]

Abstract

In order to provide a laser irradiation system, a method for removing a coating, and a laser irradiation apparatus capable of efficiently removing a coating on a surface of a structure and recovering the removed substance using suction, a laser head (3) is configured from an optical system (4) for irradiating laser beam (30), a suctioning means (33) for suctioning removed matter (60) produced at the point where the laser beam (30) is directed, and an attachment (5) configured to be capable of abutting a surface (20) of a structure, the optical system (4) being operated to scan the irradiation point of the laser beam so as to draw a trajectory of a circle having a radius r1 around the optical axis of the laser beam (30) on a surface substantially perpendicular to the optical axis.

IPC Classes  ?

• B23K 26/36 - Removing material
• B08B 7/00 - Cleaning by methods not provided for in a single other subclass or a single group in this subclass
• B23K 26/00 - Working by laser beam, e.g. welding, cutting or boring
• B01J 19/12 - Processes employing the direct application of electric or wave energy, or particle radiationApparatus therefor employing electromagnetic waves
• B23K 26/16 - Removal of by-products, e.g. particles or vapours produced during treatment of a workpiece
• B23K 26/402 - Removing material taking account of the properties of the material involved involving non-metallic material, e.g. isolators
• B23K 26/04 - Automatically aligning, aiming or focusing the laser beam, e.g. using the back-scattered light
• B23K 26/06 - Shaping the laser beam, e.g. by masks or multi-focusing
• B23K 26/08 - Devices involving relative movement between laser beam and workpiece
• B23K 26/14 - Working by laser beam, e.g. welding, cutting or boring using a fluid stream, e.g. a jet of gas, in conjunction with the laser beamNozzles therefor
• B23K 26/064 - Shaping the laser beam, e.g. by masks or multi-focusing by means of optical elements, e.g. lenses, mirrors or prisms
• B23K 26/082 - Scanning systems, i.e. devices involving movement of the laser beam relative to the laser head
• B23K 26/035 - Aligning the laser beam

Abstract

[Problem] To provide a method for constructing, using a simple process, a layered structure capable of preventing breakage of a surface section to be constructed as well as falling accidents. [Solution] This method for constructing a layered structure includes: forming an insulated reinforcement layer by spraying a foaming resin material from a spray device operated by an operator M1 onto a partial region of a surface section 10 to be constructed which faces upward and is provided in the horizontal direction or in a direction tilted relative to the horizontal direction; mounting, in the region in which the insulated reinforcement layer is formed on the surface section to be constructed, a structure 100 which operators M1, M2 can grip or which can restrain an operator; and extending the insulated reinforcement layer by spraying the foaming resin material from the foaming device onto a region neighboring the region, of the surface section to be constructed, where the structure is mounted.

IPC Classes  ?

• E04D 15/00 - Apparatus or tools for roof working
• E04G 3/26 - Scaffolds essentially supported by building constructions, e.g. adjustable in height specially adapted for particular parts of buildings or for buildings of particular shape, e.g. chimney stacks or pylons specially adapted for working on roofs
• E04G 5/14 - Railings
• E04G 23/03 - Repairing, e.g. filling cracksRestoringAlteringEnlarging specially adapted for roofs, e.g. to fit out attics
• E04B 1/682 - Sealings of joints, e.g. expansion joints formed in situ

Abstract

[Problem] To provide a concrete surface processing method and the like which suppresses vitrification even in the case where a high-speed process is performed. [Solution] A concrete surface processing method configured in such a manner that a surface of concrete is scanned with a beam spot along a predetermined scanning pattern and is irradiated with laser light R so as to cause the scanning pattern to move along the surface at a predetermined advance speed, and a lap rate is set to be equal to or lower than 90%, the lap rate being a rate of an overlap of a passing route of a beam spot with a passing route of a beam spot in preceding irradiation on the surface at a time when the beam spot BS repeatedly passes through a predetermined portion on the scanning pattern.

IPC Classes  ?

• B23K 26/36 - Removing material
• B23K 26/082 - Scanning systems, i.e. devices involving movement of the laser beam relative to the laser head

Abstract

 Provided is a laser irradiation state diagnosis method and the like that enables accurate diagnosis of a laser irradiation state. This laser irradiation state diagnosis method comprises: acquiring, when a surface of an object O being irradiated is irradiated with a laser beam R so that irradiation points BS thereon are scanned, acoustic information of the vicinity of the irradiation points; and determining a separation state and the like of attached matter present on the surface of the object being irradiated, on the basis of characteristics of the acoustic information, such as the intensity of a component in a specific frequency band and the frequency band distribution.

IPC Classes  ?

• G01N 29/12 - Analysing solids by measuring frequency or resonance of acoustic waves
• G01N 29/24 - Probes

Abstract

[Problem] To provide a laser irradiation device that suppresses the deposition of foreign matter on optical elements. [Solution] A laser irradiation device 1 that comprises: emission optical systems 10, 20, 30 that form a beam B that makes laser light that is generated by a laser oscillator converge at a prescribed beam spot BS and continuously vary the irradiation direction and the like of the beam; and a protection member 70 that is provided between the emission optical systems and the beam spot, protects the emission optical systems from foreign matter that is scattered from the irradiation target side, has an opening 71 through which the beam passes, and moves in association with the variation of the irradiation direction and the like of the beam such that the opening is located on the path of the beam.

IPC Classes  ?

• B23K 26/064 - Shaping the laser beam, e.g. by masks or multi-focusing by means of optical elements, e.g. lenses, mirrors or prisms
• B23K 26/066 - Shaping the laser beam, e.g. by masks or multi-focusing by means of optical elements, e.g. lenses, mirrors or prisms by using masks
• B23K 26/082 - Scanning systems, i.e. devices involving movement of the laser beam relative to the laser head
• B23K 26/16 - Removal of by-products, e.g. particles or vapours produced during treatment of a workpiece

Abstract

[Problem] To provide a surface treatment device such that the construction quality of a surface treatment using a foaming material is improved. [Solution] A surface treatment device 1 is configured to comprise: a mobile body 10 that can move along the surface of an object 100 being treated; a first spray device 30 that is provided on the mobile body and sprays a foaming first material Sf onto the surface of the object; and a second spray device 40 that is provided on the mobile body and that sprays a second material Sc to cover the surface of the first material on the area of the surface of the object on which the first material has been sprayed from the first spray device and after the first material has foamed.

IPC Classes  ?

• B05B 13/02 - Means for supporting workArrangement or mounting of spray headsAdaptation or arrangement of means for feeding work
• B05D 1/02 - Processes for applying liquids or other fluent materials performed by spraying
• B05D 1/36 - Successively applying liquids or other fluent materials, e.g. without intermediate treatment
• B05D 5/06 - Processes for applying liquids or other fluent materials to surfaces to obtain special surface effects, finishes or structures to obtain multicolour or other optical effects
• B05D 7/00 - Processes, other than flocking, specially adapted for applying liquids or other fluent materials to particular surfaces or for applying particular liquids or other fluent materials
• E04F 21/08 - Mechanical implements
• E04G 21/16 - Tools or apparatus
• E04B 1/66 - Sealings
• E04B 1/76 - Heat, sound or noise insulation, absorption, or reflectionOther building methods affording favourable thermal or acoustical conditions, e.g. accumulating of heat within walls specifically with respect to heat only

Abstract

In order to provide a laser irradiation system, a method for removing a coating, and a laser irradiation apparatus capable of efficiently removing a coating on a surface of a structure and recovering the removed substance using suction, a laser head (3) is configured from an optical system (4) for irradiating laser beam (30), a suctioning means (33) for suctioning removed matter (60) produced at the point where the laser beam (30) is directed, and an attachment (5) configured to be capable of abutting a surface (20) of a structure, the optical system (4) being operated to scan the irradiation point of the laser beam so as to draw a trajectory of a circle having a radius r1 around the optical axis of the laser beam (30) on a surface substantially perpendicular to the optical axis.

IPC Classes  ?

• B23K 26/36 - Removing material
• B08B 7/00 - Cleaning by methods not provided for in a single other subclass or a single group in this subclass
• B23K 26/00 - Working by laser beam, e.g. welding, cutting or boring
• B01J 19/12 - Processes employing the direct application of electric or wave energy, or particle radiationApparatus therefor employing electromagnetic waves
• B23K 26/16 - Removal of by-products, e.g. particles or vapours produced during treatment of a workpiece
• B23K 26/402 - Removing material taking account of the properties of the material involved involving non-metallic material, e.g. isolators
• B23K 26/04 - Automatically aligning, aiming or focusing the laser beam, e.g. using the back-scattered light
• B23K 26/06 - Shaping the laser beam, e.g. by masks or multi-focusing
• B23K 26/08 - Devices involving relative movement between laser beam and workpiece
• B23K 26/14 - Working by laser beam, e.g. welding, cutting or boring using a fluid stream, e.g. a jet of gas, in conjunction with the laser beamNozzles therefor
• B23K 26/064 - Shaping the laser beam, e.g. by masks or multi-focusing by means of optical elements, e.g. lenses, mirrors or prisms
• B23K 26/082 - Scanning systems, i.e. devices involving movement of the laser beam relative to the laser head
• B23K 26/035 - Aligning the laser beam
• B23K 103/00 - Materials to be soldered, welded or cut

Abstract

This is to provide a laser irradiation apparatus which can drive a deflection optical system (33) with a high speed by a small and lightweight structure and can cope with heat generation of the optical system. The laser irradiation apparatus includes a condensing optical system (32) for condensing a laser beam (B) generated by a laser oscillator (10) at a predetermined focal point (FP), a deflection optical system (33) for deflecting the laser beam (B) generated from the condensing optical system (32) with a predetermined deflection angle, and a driving unit (100) for rotationally driving the deflection optical system (33) around a rotation axis provided substantially in parallel to an optical axis of the condensing optical system (32), wherein the driving unit (100) has an air motor (100) which convert an energy possessed by a gas supplied from a gas supplying source (60) to a rotational force.

IPC Classes  ?

• B23K 26/082 - Scanning systems, i.e. devices involving movement of the laser beam relative to the laser head
• B23K 26/08 - Devices involving relative movement between laser beam and workpiece
• B23K 26/16 - Removal of by-products, e.g. particles or vapours produced during treatment of a workpiece
• B23K 26/06 - Shaping the laser beam, e.g. by masks or multi-focusing
• B23K 26/10 - Devices involving relative movement between laser beam and workpiece using a fixed support
• B23K 26/14 - Working by laser beam, e.g. welding, cutting or boring using a fluid stream, e.g. a jet of gas, in conjunction with the laser beamNozzles therefor

Abstract

Provided is a laser irradiation device (10) having improved treatment performance when treating a surface by irradiating a laser beam (B) onto a liquid-borne object to be irradiated (O). The laser irradiation device (10) is provided with: an irradiation optical system via which the laser beam (B) is irradiated once a surface part on the object-to-be-irradiated (O) side of an optical element (323) nearest the object and disposed adjacent to the object to be irradiated (O) has been disposed in the liquid, a surface part on the side opposite from the object-to-be-irradiated (O) side of the optical element (323) nearest the object and other optical elements (120, 130) being accommodated inside a housing (300) that substantially prevents infiltration of the liquid; a liquid discharging means (440) provided in the vicinity of an external peripheral edge part of the optical element (323) nearest the object, the liquid discharging means (440) discharging a liquid flow along substantially the surface part on the object-to-be-irradiated (O) side; and a liquid suctioning means (450) provided on the side opposite the liquid discharging means (440), the liquid suctioning means (450) suctioning in the liquid flow.

IPC Classes  ?

• B23K 26/142 - Working by laser beam, e.g. welding, cutting or boring using a fluid stream, e.g. a jet of gas, in conjunction with the laser beamNozzles therefor for the removal of by-products
• B23K 26/08 - Devices involving relative movement between laser beam and workpiece
• B23K 26/122 - Working by laser beam, e.g. welding, cutting or boring in a special environment or atmosphere, e.g. in an enclosure in a liquid, e.g. underwater
• B23K 26/146 - Working by laser beam, e.g. welding, cutting or boring using a fluid stream, e.g. a jet of gas, in conjunction with the laser beamNozzles therefor the fluid stream containing a liquid
• G21F 9/30 - Processing
• H01S 3/00 - Lasers, i.e. devices using stimulated emission of electromagnetic radiation in the infrared, visible or ultraviolet wave range

Abstract

Provided is a laser irradiation device capable of driving a deflecting optical system (33) at high speed and coping with heat generated by the optical system with use of a compact and lightweight structure. The laser irradiation device (30) is equipped with: a focusing optical system (32) for focusing a laser beam (B) generated by a laser oscillator (10) on a predetermined focal point (FP); a deflecting optical system (33) for deflecting, by a predetermined deflection angle, the laser beam (B) exiting the focusing optical system (32); and a driving means (100) for driving the deflecting optical system (33) to rotate about a rotation axis which is arranged substantially parallel to the optical axis of the focusing optical system (32). The driving means (100) has an air motor (100) that converts the energy of a gas supplied from a gas supply source (60) into a rotating force.

IPC Classes  ?

• B23K 26/08 - Devices involving relative movement between laser beam and workpiece
• B23K 26/00 - Working by laser beam, e.g. welding, cutting or boring
• B23K 26/16 - Removal of by-products, e.g. particles or vapours produced during treatment of a workpiece

Abstract

In order to provide a laser irradiation system, a method for removing a coating, and a laser irradiation apparatus capable of efficiently removing a coating on a surface of a structure and recovering the removed substance using suction, a laser head (3) is configured from an optical system (4) for irradiating laser beam (30), a suctioning means (33) for suctioning removed matter (60) produced at the point where the laser beam (30) is directed, and an attachment (5) configured to be capable of abutting a surface (20) of a structure, the optical system (4) being operated to scan the irradiation point of the laser beam so as to draw a trajectory of a circle having a radius r1 around the optical axis of the laser beam (30) on a surface substantially perpendicular to the optical axis.

IPC Classes  ?

• B23K 26/36 - Removing material
• B23K 26/08 - Devices involving relative movement between laser beam and workpiece
• B23K 26/06 - Shaping the laser beam, e.g. by masks or multi-focusing
• B01J 19/12 - Processes employing the direct application of electric or wave energy, or particle radiationApparatus therefor employing electromagnetic waves
• B23K 26/00 - Working by laser beam, e.g. welding, cutting or boring
• B23K 26/04 - Automatically aligning, aiming or focusing the laser beam, e.g. using the back-scattered light
• B23K 26/14 - Working by laser beam, e.g. welding, cutting or boring using a fluid stream, e.g. a jet of gas, in conjunction with the laser beamNozzles therefor
• B23K 26/16 - Removal of by-products, e.g. particles or vapours produced during treatment of a workpiece
• B08B 7/00 - Cleaning by methods not provided for in a single other subclass or a single group in this subclass
• B23K 26/064 - Shaping the laser beam, e.g. by masks or multi-focusing by means of optical elements, e.g. lenses, mirrors or prisms
• B23K 26/082 - Scanning systems, i.e. devices involving movement of the laser beam relative to the laser head
• B23K 26/035 - Aligning the laser beam
• B23K 103/00 - Materials to be soldered, welded or cut

Abstract

In order to provide a laser irradiation system, a method for removing a coating, and a laser irradiation device capable of efficiently removing a coating on a surface of a structure and recovering the removed substance using suction, a laser head (3) is configured from an optical system (4) for emitting laser light (30), a suctioning means (33) for suctioning removed matter (60) produced at the point where the laser light (30) is directed, and an attachment (5) configured to be capable of contacting a surface (20) of a structure, the optical system (4) being operated so as to scan the laser light irradiation in describing a first circular trajectory of a radius r1 centered on the beam axis of the laser light (30) on a surface substantially perpendicular to the beam axis.

IPC Classes  ?

• B23K 26/06 - Shaping the laser beam, e.g. by masks or multi-focusing
• B01J 19/12 - Processes employing the direct application of electric or wave energy, or particle radiationApparatus therefor employing electromagnetic waves
• B08B 7/00 - Cleaning by methods not provided for in a single other subclass or a single group in this subclass
• B23K 26/00 - Working by laser beam, e.g. welding, cutting or boring
• B23K 26/04 - Automatically aligning, aiming or focusing the laser beam, e.g. using the back-scattered light
• B23K 26/08 - Devices involving relative movement between laser beam and workpiece
• B23K 26/14 - Working by laser beam, e.g. welding, cutting or boring using a fluid stream, e.g. a jet of gas, in conjunction with the laser beamNozzles therefor
• B23K 26/16 - Removal of by-products, e.g. particles or vapours produced during treatment of a workpiece
• B23K 26/36 - Removing material