BG41408A1 - Supporting ring for underground stopes under particularly hard mining and geological conditions - Google Patents

Supporting ring for underground stopes under particularly hard mining and geological conditions

Info

Publication number
BG41408A1
BG41408A1 BG7385286A BG7385286A BG41408A1 BG 41408 A1 BG41408 A1 BG 41408A1 BG 7385286 A BG7385286 A BG 7385286A BG 7385286 A BG7385286 A BG 7385286A BG 41408 A1 BG41408 A1 BG 41408A1
Authority
BG
Bulgaria
Prior art keywords
supporting ring
geological conditions
particularly hard
under particularly
stopes
Prior art date
Application number
BG7385286A
Inventor
Mirchev
Parashkevov
Andreev
Ivanov
Original Assignee
Mirchev
Parashkevov
Andreev
Ivanov
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Mirchev, Parashkevov, Andreev, Ivanov filed Critical Mirchev
Priority to BG7385286A priority Critical patent/BG41408A1/en
Publication of BG41408A1 publication Critical patent/BG41408A1/en

Links

BG7385286A 1986-02-28 1986-02-28 Supporting ring for underground stopes under particularly hard mining and geological conditions BG41408A1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
BG7385286A BG41408A1 (en) 1986-02-28 1986-02-28 Supporting ring for underground stopes under particularly hard mining and geological conditions

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
BG7385286A BG41408A1 (en) 1986-02-28 1986-02-28 Supporting ring for underground stopes under particularly hard mining and geological conditions

Publications (1)

Publication Number Publication Date
BG41408A1 true BG41408A1 (en) 1987-06-15

Family

ID=3916861

Family Applications (1)

Application Number Title Priority Date Filing Date
BG7385286A BG41408A1 (en) 1986-02-28 1986-02-28 Supporting ring for underground stopes under particularly hard mining and geological conditions

Country Status (1)

Country Link
BG (1) BG41408A1 (en)

Similar Documents

Publication Publication Date Title
RU1833474C (en) Arch support of underground horizontal mine workings
GB8701249D0 (en) Mine haulage method
GB8707846D0 (en) Backfilling longwall workings
ZA81760B (en) Yielding mining support for mine workings of the like
GB2186607B (en) Supporting underground workings
GB8819961D0 (en) Method of mining & gasifying underground coal
AU582499B2 (en) Mining or underground quarrying method and installation for implementing same
BG41408A1 (en) Supporting ring for underground stopes under particularly hard mining and geological conditions
ZA868633B (en) Gas detector and mining machine
ZA85238B (en) Improvements in mobile support assemblies for underground mine workings
GB2193522B (en) Support unit for underground coalface support structure
ZA878494B (en) Mobile support frame unit for underground mine workings
GB2226838B (en) Underground gallery support
GB2233379B (en) Support for underground mining operations
HUT50365A (en) Method and mechanism for supporting underground cave particularly mining drift
GB2172919B (en) Shearer drum for a drum shearer-loader used in underground mining
PL252355A1 (en) Underground coal mining method
GB8806646D0 (en) Lemniscate mining supports
BG37028A1 (en) Support for severe mining and geological conditions in coal mines
BG37026A1 (en) Support for severe mining and geological conditions in coal mines
BG37027A1 (en) Support for severe mining and geological conditions in coal mines
BG41250A1 (en) Combined supporting for fixing of underground stopes and method for its elaborating
ZA871090B (en) Backfilling of mine workings
PL274037A1 (en) Longwall coal miner
GB8518211D0 (en) Control & support of strata underground in mines