Tip and mineral cutter pick
US4765687A · kind A · utility
109Cited by
5References
10Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Feb 11, 1987 |
| Grant date | Aug 23, 1988 |
| Priority date | — |
| Expiry date | Feb 11, 2007 |
Classification
- Technology area (CPC E)Fixed Constructions
- CPC primaryE21C35/187
- WIPO fieldCivil engineering
- WIPO sectorOther fields
Abstract
A mineral cutter tip 14 comprises a bottom face 15 and a rear face 16 located in "V"-formation whereby the tip 14 is, in use, seated in a "V"-notch 7 provided in a head 2 of a mineral cutter pick 1, the tip 14 further comprising a front cutting face 17 and, reawardly thereof, a water-conveying slit or slot 20 provided intermediate opposed, lateral side faces 19 of the tip 14, and having a water inlet end 23 emerging at the rear face 16 of the tip 14 and a water outlet end 24 emerging at the top face 18 of the tip 14. The invention also includes a pick 1 provided with a tip 14 as defined.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.