Drill bit cutting array having discontinuities therein
US5147001A · kind A · utility
44Cited by
4References
15Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | May 28, 1991 |
| Grant date | Sep 15, 1992 |
| Priority date | — |
| Expiry date | May 28, 2011 |
Classification
- Technology area (CPC E)Fixed Constructions
- CPC primaryE21B10/485
- WIPO fieldCivil engineering
- WIPO sectorOther fields
Abstract
The present invention comprises a cutting structure for earth boring drill bits and a bit including at least one such structure comprising a substantially planar array of cutting elements arranged in substantially contiguous mutual proximity, the array incorporating at least one discontinuity therein dividing it into a plurality of sub-arrays.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.