Photographic pipeline inspection apparatus including an optical

Details Photographic pipeline inspection apparatus including an optical Photographic pipeline inspection apparatus including an optical

1981-03-26

1982-12-14

Griffin, Donald A.

Recorders

Record receiver deforming

346 33P, 350582, G03B 3700, G01N 2904

Patent

active

043635458

ABSTRACT:
This invention relates to apparatus for photographic inspection of the interior of a pipeline and more particularly to apparatus which includes an optical port wiper which makes it possible to obtain clear and accurate photographs under adverse environmental conditions. The apparatus is highly effective and reliable while being comparatively simple and readily and economically manufacturable.

REFERENCES:
patent: 2944277 (1960-07-01), Ochello et al.
patent: 3032766 (1962-05-01), Weaver
patent: 3667359 (1972-06-01), Watts et al.
patent: 3810384 (1974-05-01), Evans

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