Apparatus for checking the internal surface of a pipe or the lik

Details Apparatus for checking the internal surface of a pipe or the lik Apparatus for checking the internal surface of a pipe or the lik

1982-12-09

1985-12-10

Willis, Davis L.

Optics: measuring and testing

Inspection of flaws or impurities

Bore inspection

G01N 2188, G02B 2302

Patent

active

045575983

ABSTRACT:
An improved apparatus for checking the inside of a pipe or the like is proposed. Two reflex mirrors are provided, one for reflecting the light from a source of light and the other for reflecting the light from the object being checked. Because respective mirrors are provided for the source of light and for the light from the object, the inside of the object can be checked clearly.

REFERENCES:
patent: 2899856 (1959-08-01), Shull
patent: 3761186 (1973-09-01), Wason
patent: 4277168 (1981-07-01), Oku
patent: 4440496 (1984-04-01), Milana

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