FIELD: mining industry. SUBSTANCE: mine lagging is made of concave plate 1 which has flat supports at its ends, which are disposed at frames of support 3. Fitting mesh 4 is mounted in lagging. Working longitudinal fitting 5 is forced by hooks 6 onto flat support 2 in mesh 4. EFFECT: improved safety. 4 dwg
| Title | Year | Author | Number |
|---|---|---|---|
| SHAFT LAGGING FOR FRAME SUPPORTS MADE OF SPECIAL PROFILE | 2006 |
|
RU2312220C1 |
| REINFORCED FRAMED SUPPORT | 0 |
|
SU1714150A1 |
| METHOD FOR PRESTRESSING FRAME SUPPORT | 0 |
|
SU1717834A1 |
| METHOD OF ERECTING A REINFORCED ROCK-BEARING SUPPORT | 0 |
|
SU1548430A1 |
| DEFLECTOMETER FOR MEASURING STRESSES IN MINE SUPPORT | 0 |
|
SU1723321A1 |
| MINE CONCRETE TIE-BAR FOR FRAME SUPPORTS OF SPECIAL PROFILE | 2003 |
|
RU2246623C1 |
| METHOD OF MEASURING LOAD ONTO WORKING CAGE SUPPORT | 0 |
|
SU870708A1 |
| LAGGING FOR MINES AND METHOD OF ITS PRODUCTION | 1997 |
|
RU2124637C1 |
| ROCK COMPRESSION TESTING DEVICE | 0 |
|
SU823574A1 |
| MINE LAGGING | 0 |
|
SU1710766A1 |
