Resources Contact Us Home
Browse by: INVENTOR PATENT HOLDER PATENT NUMBER DATE
 
 
Laser emission head, laser beam transmission device, laser beam transmission device adjustment method and preventive maintenance/repair device of structure in nuclear reactor










Image Number 19 for United States Patent #6881925.

A laser emitting head for irradiating a portion to be machined with laser beams outputted from a laser unit (624) incorporates an emitting head body having a light guide member (625) in the head for guiding the laser beams; a light converging lens (677) for converging the laser beams transmitted from the light guide member in the head; a reflecting mirror (678) for irradiating the portion to be machined with the converged laser beams; mirror rotating means (684) for holding the reflecting mirror to be rotative around the optical axis of the laser beam; distance-adjustment means (674) for adjusting the relative distance between the reflecting mirror and the converging lens; and moving means (665) for moving the reflecting mirror and the converging lens such that the relative distance is maintained so that the light guide member in the head. The converging lens and the reflecting mirror can be introduced/discharged with respect to a portion to be machined and formed in a narrow gap in an incore structure. As a result, a preventive-maintenance/repair operation using laser beams and arranged to be performed in a narrow gap in the incore structure can safely and efficiently be performed.








 
 
  Recently Added Patents
Bacterial superantigen vaccines
Architectural panel with natural fossil spade leaf embossed surface
File management apparatus and file management apparatus controlling method
Deposition apparatus and method for manufacturing organic light emitting diode display using the same
Scalable header extension
Position and orientation measurement apparatus, position and orientation measurement method, and storage medium
Playback device, playback method, and computer program
  Randomly Featured Patents
Dual clutch transmission clutch cooling control method
Programmable seat back damper assembly for seats
Process for forming bumps and solder bump
Energy conserving network protocol
Method and system for reporting events in telecommunication networks
Method for inhibiting myocardial cell necrosis and preserving heart function during myocardial ischemia and/or reperfusion
Method of manufacturing nip roll for treating web materials
Pyridin-3-yl substituted ortho-fused pyrrole derivatives
Portable self-contained volleyball net
Photoconductive composition containing trisazo and disazo compounds