Method and apparatus for cleaning, viewing and documenting the condition of weldments on offshore platforms
US4502407A · kind A · utility
49Cited by
3References
4Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Apr 12, 1982 |
| Grant date | Mar 5, 1985 |
| Priority date | — |
| Expiry date | Apr 12, 2002 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB63G2008/007
- WIPO fieldTransport
- WIPO sectorMechanical engineering
Abstract
A subsea platform inspection vehicle on a power tether cable adapted to be propelled through the water and lock onto an underwater member of a platform adjacent a welded joint and provided with a jet to clean a weld and a television camera to observe the condition of the weld.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.