Mining method and apparatus
US4102550A · kind A · utility
15Cited by
6References
5Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Apr 20, 1976 |
| Grant date | Jul 25, 1978 |
| Priority date | — |
| Expiry date | Apr 20, 1996 |
Classification
- Technology area (CPC E)Fixed Constructions
- CPC primaryE21D23/0481
- WIPO fieldCivil engineering
- WIPO sectorOther fields
Abstract
Connected support sections for a mineral face conveyor are individually supported on the forward sides of chocks which move in towards the rib of a panel behind a mining machine. Backfill is transported to the mined area behind the moved-up chocks via a conveyor supported from connected support sections on the rear sides of the chocks.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.