Pipe inspection apparatus

Details Pipe inspection apparatus Pipe inspection apparatus

1997-06-26

2000-02-01

Tung, Bryan

Television

Special applications

Hazardous or inaccessible

354 63, 108 93, H04N 718

Patent

active

060209186

ABSTRACT:
An improved apparatus for inspecting and video taping pipelines is provided. A tubular vessel accommodates a video camera. A plurality of scuba lights are adjustably mounted to the periphery of the tubular housing at the front end of the apparatus. A dual-section guide leg is provided which has limited upward and downward movement and limited forward and rearward movement. An elastic member controls the upward/downward and forward/rearward movement of the guide leg to provide a shock absorber system. The guide leg engages the top inside surface of the pipeline as the apparatus is carried down the pipeline by the current. The angle of inclination of the apparatus may be controlled with weights, foam and the position of the guide leg.

REFERENCES:
patent: 3964171 (1976-06-01), Gambini et al.
patent: 4644875 (1987-02-01), Watt
patent: 4985032 (1991-01-01), Goble
patent: 5040267 (1991-08-01), Dallmann
patent: 5287133 (1994-02-01), Bohley
patent: 5359939 (1994-11-01), Watt
patent: 5481984 (1996-01-01), Oda et al.

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