Long range internal pipe inspection maintenance system
US5423230A · kind A · utility
20Cited by
7References
10Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Apr 6, 1994 |
| Grant date | Jun 13, 1995 |
| Priority date | — |
| Expiry date | Apr 6, 2014 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH04N7/185
- WIPO fieldAudio-visual technology
- WIPO sectorElectrical engineering
Abstract
A long range internal pipe inspection/maintenance system comprising an elongated, flexible push snake including an outer protective sleeve for insertion in the pipe and for carrying pipe inspection equipment, and a driven mechanism for applying tension to the snake to facilitate movement of the snake through the pipe to increase the snake inspection range.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.