Electric heating – Metal heating – By arc
Patent
1991-02-21
1992-07-21
Albritton, C. L.
Electric heating
Metal heating
By arc
21912174, B23K 2600
Patent
active
051325098
ABSTRACT:
A laser beam reflector for reflecting a laser beam from a laser oscillator in a direction away from said laser oscillator includes a mirror holder, a mirror retainer removably coupled to the mirror holder, a bend mirror coupled to the mirror retainer for reflecting the laser beam, and a detecting device for detecting a positional relationship between the mirror holder and the mirror retainer. A laser beam cutting machine utilizes the laser beam reflector. When the mirror holder and mirror retainer are coupled properly, laser oscillation is performed. When the mirror retainer and holder are coupled improperly, laser oscillation is terminated immediately by a control device of the laser beam cutting machine.
REFERENCES:
patent: 4175832 (1979-11-01), Umeki et al.
patent: 4544241 (1985-10-01), LaBudde et al.
patent: 4778233 (1988-10-01), Christenson et al.
patent: 4915492 (1990-04-01), Toth
Albritton C. L.
Mitsubishi Denki K.K.
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