Apparatus for explosively welding a sleeve into a heat exchanger tube
US5038994A · kind A · utility
6Cited by
13References
15Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Apr 14, 1989 |
| Grant date | Aug 13, 1991 |
| Priority date | — |
| Expiry date | Apr 14, 2009 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10T29/49806
- WIPO fieldMachine tools
- WIPO sectorMechanical engineering
Abstract
A sleeve containing an explosive charge which is explosively welded along a tapered end to the inner surface of a tube for repairing a damaged section of the tube. No mechanical support is needed along the outer surface of the tube despite the explosive expansion and welding of the sleeve. The explosive charge is tapered at the end of the sleeve. A charge assembly for carrying the explosive charge includes a flange for centering the sleeve in the tube and for establishing a stand-off distance between the sleeve and the tube.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.