Method of applying an axial force to an expansion cone
US7063142B2 · kind B2 · utility
24Cited by
369References
48Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Feb 15, 2002 |
| Grant date | Jun 20, 2006 |
| Priority date | — |
| Expiry date | Dec 27, 2022 |
Classification
- Technology area (CPC E)Fixed Constructions
- CPC primaryE21B43/106
- WIPO fieldCivil engineering
- WIPO sectorOther fields
Abstract
A method of applying an axial force to a first piston positioned within a first piston chamber including applying an axial force to the first piston using a second piston positioned within the first piston chamber.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.