Expanded slip well anchor
US5348090A · kind A · utility
11Cited by
8References
13Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | May 18, 1993 |
| Grant date | Sep 20, 1994 |
| Priority date | — |
| Expiry date | May 18, 2013 |
Classification
- Technology area (CPC E)Fixed Constructions
- CPC primaryE21B23/01
- WIPO fieldCivil engineering
- WIPO sectorOther fields
Abstract
A well anchor having a body with a mandrel movably extending therethrough with first and second slips connected to the mandrel. Each of the slips includes a wedge surface and the wedge surfaces engage each other whereby movement of the first and second slips toward each other will expand the slips outwardly. The wedge surfaces are at an angle to and extend across the longitudinal axis of the body for maximizing expansion.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.