Underground pipe inspection device and method
Patent
·
OSTI ID:988292
- Wadsworth, IL
A method and apparatus for inspecting the walls of an underground pipe from inside the pipe in which an inspection apparatus having a circular planar platform having a plurality of lever arms having one end pivotably attached to one side of the platform, having a pipe inspection device connected to an opposite end, and having a system for pivoting the lever arms is inserted into the underground pipe, with the inspection apparatus oriented with the planar platform disposed perpendicular to the pipe axis. The plurality of lever arms are pivoted toward the inside wall of the pipe, contacting the inside wall with each inspection device as the apparatus is conveyed along a length of the underground pipe.
- Research Organization:
- Gas Technology Institute, Des Plaines, IL (United States)
- Sponsoring Organization:
- USDOE
- DOE Contract Number:
- FC26-04NT42266
- Assignee:
- Operations Technology Development, NFP (Des Plaines, IL)
- Patent Number(s):
- 7,493,817
- Application Number:
- 11/314,621
- OSTI ID:
- 988292
- Country of Publication:
- United States
- Language:
- English
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