Cutting bit and cutting insert
US5429199A · kind A · utility
109Cited by
58References
21Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Aug 26, 1992 |
| Grant date | Jul 4, 1995 |
| Priority date | — |
| Expiry date | Aug 26, 2012 |
Classification
- Technology area (CPC E)Fixed Constructions
- CPC primaryE21B10/54
- WIPO fieldCivil engineering
- WIPO sectorOther fields
Abstract
A cutting bit useful for cutting various earth strata and the cutting insert, which may be made from a polycrystalline diamond composite, for such a cutting bit. The cutting bit has at least one pocket at the axially forward end thereof which receives its corresponding cutting insert. The cutting insert has at least one exposed cutting edge which is of an arcuate shape.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.