Expander device
US7243722B2 · kind B2 · utility
44Cited by
16References
28Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Jan 28, 2002 |
| Grant date | Jul 17, 2007 |
| Priority date | — |
| Expiry date | Sep 11, 2022 |
Classification
- Technology area (CPC E)Fixed Constructions
- CPC primaryE21B43/105
- WIPO fieldCivil engineering
- WIPO sectorOther fields
Abstract
Apparatus (9) for radially expanding an expandable member, the apparatus including a plurality of radially moveable fingers (22). The radially moveable fingers (22) can move between two positions; in a first position, the moveable fingers (22) are radially extended to a form a cone to facilitate radial expansion of the expandable member; in the second position, one or more of the radially movable fingers (22) can move radially inward so that restrictions in the path of the apparatus can be by-passed.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.