Tubing expansion
US8117883B2 · kind B2 · utility
2Cited by
39References
17Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Mar 5, 2010 |
| Grant date | Feb 21, 2012 |
| Priority date | — |
| Expiry date | Mar 5, 2030 |
Classification
- Technology area (CPC E)Fixed Constructions
- CPC primaryE21B43/105
- WIPO fieldCivil engineering
- WIPO sectorOther fields
Abstract
A method of expanding tubing comprises locating an expansion device in tubing to be expanded, vibrating one or both of the tubing and the expansion device, and translating the expansion device relative to the tubing, the vibration acting to reduce friction between the tubing and the device.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.