FIELD: mining industry. SUBSTANCE: anchor consists of load bearing member made of perforated metal strip and clamping device in form of anchoring members located on both sides of load bearing member. Anchoring members are composite, each member includes two parallelepiped located successively in pairs. EFFECT: higher efficiency. 2 dwg
Title | Year | Author | Number |
---|---|---|---|
SUPPORT FOR MINE WORKINGS | 0 |
|
SU1671886A1 |
DEVICE FOR SEALING OF BLASTHOLES | 1992 |
|
RU2029093C1 |
TUBING FOR COAL DESCENT | 1992 |
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RU2066761C1 |
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ANCHOR FOR SUPPORTING OF UNDERGROUND WORKINGS | 1996 |
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RU2112883C1 |
ANCHOR | 0 |
|
SU1016525A1 |
PROCESS OF FIXING OF ROCK WORKINGS | 1996 |
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METHOD FOR FORTIFYING MINE WORKINGS DRIVEN IN ROCK MATTER LIABLE TO HEAVING | 1995 |
|
RU2134350C1 |
FERROCONCRETE YIELDING ANCHOR | 0 |
|
SU907266A1 |
METHOD FOR MINING STEEPLY DIPPING SEAMS BY STRIPS TO THE RISE | 1990 |
|
RU2030580C1 |
Authors
Dates
1995-08-27—Published
1992-09-09—Filed