Cutter assembly
US4540056A · kind A · utility
19Cited by
9References
4Claims
0Family size
Assignees
Inventor
Key dates
| Filing date | May 3, 1984 |
| Grant date | Sep 10, 1985 |
| Priority date | — |
| Expiry date | May 3, 2004 |
Classification
- Technology area (CPC E)Fixed Constructions
- CPC primaryE21B10/60
- WIPO fieldCivil engineering
- WIPO sectorOther fields
Abstract
A drill bit with multiple fluid jet cutting nozzles designed so that the drill bit workface including the cutters is a separate piece from the drill bit body that houses the fluid jet nozzle orifice mounts. The cutter assembly protects the nozzle housing from rapid wear and it can be easily removed from the nozzle housing without disturbing or removing any of the nozzle orifice mounts.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.