Automated drill stem guide and method
US5846034A · kind A · utility
4Cited by
4References
15Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Jun 26, 1996 |
| Grant date | Dec 8, 1998 |
| Priority date | — |
| Expiry date | Jun 26, 2016 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10T408/558
- WIPO fieldBasic materials chemistry
- WIPO sectorChemistry
Abstract
In a petroleum coking drum, a drill stem guide latches internally to a structure adjacent the drum opening, rather than externally to a flange about the drum opening. In preferred embodiments, the latching mechanism is spring loaded, and operated automatically as a function of raising and lowering the guide.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.