Tubular gripping apparatus with movable bowl
US9765581B2 · kind B2 · utility
3Cited by
6References
22Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Dec 10, 2014 |
| Grant date | Sep 19, 2017 |
| Priority date | — |
| Expiry date | Jan 14, 2036 |
Classification
- Technology area (CPC E)Fixed Constructions
- CPC primaryE21B19/24
- WIPO fieldCivil engineering
- WIPO sectorOther fields
Abstract
A tubular gripping apparatus includes a main bowl including a bore formed therethrough about an axis, and a movable bowl movably receivable within the main bowl. The movable bowl includes a bore formed therethrough about an axis with a tapered surface extending along the bore of the movable bowl, in which the tubular gripping apparatus further includes a plurality of slip assemblies movably receivable within the movable bowl, the plurality of slip assemblies configured to engage an outer surface of a tubular member.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.