Device for remotely lining a steam generator tube of a pressurized water nuclear reactor
US4918808A · kind A · utility
6Cited by
2References
8Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Nov 22, 1988 |
| Grant date | Apr 24, 1990 |
| Priority date | — |
| Expiry date | Nov 22, 2008 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10T29/53122
- WIPO fieldMachine tools
- WIPO sectorMechanical engineering
Abstract
A liner (12) is inserted into the water box (3) through the manhole (9) vertically in line with the manhole, and then the liner (12) is moved as far as a position situated vertically in line with the tube (8) to be lined. The operations of inserting the liner (12) into the tube (8), of diametral expansion and of roller-expanding are performed by inserting a corresponding appliance into the water box (3) and using this appliance from an operating station outside the water box, where the drive for the appliance is situated.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.