Apparatus using an everted hose for inspecting the interior of a lateral pipeline
US4991006A · kind A · utility
39Cited by
12References
20Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Mar 8, 1990 |
| Grant date | Feb 5, 1991 |
| Priority date | — |
| Expiry date | Mar 8, 2010 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH04N7/185
- WIPO fieldAudio-visual technology
- WIPO sectorElectrical engineering
Abstract
A pipeline extending laterally from a main pipeline is inspected from the main line by utilizing an everted hose originally located in the main pipeline to project a TV camera into and along the lateral pipeline.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.