Microwave assisted hard rock cutting
US5003144A · kind A · utility
63Cited by
7References
1Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Apr 9, 1990 |
| Grant date | Mar 26, 1991 |
| Priority date | — |
| Expiry date | Apr 9, 2010 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH05B6/80
- WIPO fieldElectrical machinery, apparatus, energy
- WIPO sectorElectrical engineering
Abstract
An apparatus for the sequential fracturing and cutting of subsurface volume of hard rock (102) in the strata (101) of a mining environment (100) by subjecting the volume of rock to a beam (25) of microwave energy to fracture the subsurface volume of rock by differential expansion; and , then bringing the cutting edge (52) of a piece of conventional mining machinery (50) into contact with the fractured rock (102).
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.