Dust control fluids spray arm
US4714293A · kind A · utility
4Cited by
11References
23Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Mar 17, 1986 |
| Grant date | Dec 22, 1987 |
| Priority date | — |
| Expiry date | Mar 17, 2006 |
Classification
- Technology area (CPC E)Fixed Constructions
- CPC primaryE21C35/22
- WIPO fieldCivil engineering
- WIPO sectorOther fields
Abstract
Provided is a dust control attachment for long wall mining equipment featuring a water spray head fixed on the end of an arm which is mounted in a manner to be movable in the horizontal and vertical planes whereby the spray is substantially directable to any desired situs during mining operations.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.