HUT57380A - Apparatus for supporting forehead being in mine - Google Patents

Apparatus for supporting forehead being in mine

Info

Publication number
HUT57380A
HUT57380A HU283289A HU283289A HUT57380A HU T57380 A HUT57380 A HU T57380A HU 283289 A HU283289 A HU 283289A HU 283289 A HU283289 A HU 283289A HU T57380 A HUT57380 A HU T57380A
Authority
HU
Hungary
Prior art keywords
mine
forehead
supporting
supporting forehead
Prior art date
Application number
HU283289A
Other languages
Hungarian (hu)
Other versions
HU208043B (en
Inventor
Gyoergy Szentai
Original Assignee
Gyoergy Szentai
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 Gyoergy Szentai filed Critical Gyoergy Szentai
Priority to HU283289A priority Critical patent/HU208043B/en
Priority to GB9012433A priority patent/GB2233379B/en
Priority to DE19904018001 priority patent/DE4018001A1/en
Priority to FR9006931A priority patent/FR2648181A1/en
Publication of HUT57380A publication Critical patent/HUT57380A/en
Publication of HU208043B publication Critical patent/HU208043B/en

Links

Classifications

    • E—FIXED CONSTRUCTIONS
    • E21—EARTH DRILLING; MINING
    • E21D—SHAFTS; TUNNELS; GALLERIES; LARGE UNDERGROUND CHAMBERS
    • E21D23/00—Mine roof supports for step- by- step movement, e.g. in combination with provisions for shifting of conveyors, mining machines, or guides therefor
    • E21D23/0004—Mine roof supports for step- by- step movement, e.g. in combination with provisions for shifting of conveyors, mining machines, or guides therefor along the working face

Landscapes

  • Engineering & Computer Science (AREA)
  • Mining & Mineral Resources (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Geochemistry & Mineralogy (AREA)
  • Geology (AREA)
  • Devices Affording Protection Of Roads Or Walls For Sound Insulation (AREA)
  • Accommodation For Nursing Or Treatment Tables (AREA)
  • Seats For Vehicles (AREA)
  • Transmission Devices (AREA)
  • Auxiliary Methods And Devices For Loading And Unloading (AREA)
HU283289A 1989-06-02 1989-06-02 Apparatus for securing mine working place HU208043B (en)

Priority Applications (4)

Application Number Priority Date Filing Date Title
HU283289A HU208043B (en) 1989-06-02 1989-06-02 Apparatus for securing mine working place
GB9012433A GB2233379B (en) 1989-06-02 1990-06-04 Support for underground mining operations
DE19904018001 DE4018001A1 (en) 1989-06-02 1990-06-05 DEVICE FOR THE PIT EXTENSION OF UNDERGROUND WORKPLACES
FR9006931A FR2648181A1 (en) 1989-06-02 1990-06-05 SUPPORT SYSTEM FOR UNDERGROUND MINING

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
HU283289A HU208043B (en) 1989-06-02 1989-06-02 Apparatus for securing mine working place

Publications (2)

Publication Number Publication Date
HUT57380A true HUT57380A (en) 1991-11-28
HU208043B HU208043B (en) 1993-07-28

Family

ID=10961291

Family Applications (1)

Application Number Title Priority Date Filing Date
HU283289A HU208043B (en) 1989-06-02 1989-06-02 Apparatus for securing mine working place

Country Status (4)

Country Link
DE (1) DE4018001A1 (en)
FR (1) FR2648181A1 (en)
GB (1) GB2233379B (en)
HU (1) HU208043B (en)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2239286B (en) * 1989-12-23 1994-03-02 Meco Mining Equip Mine roof support
CN110792463A (en) * 2019-11-11 2020-02-14 大同煤矿集团有限责任公司 Reinforcing method for machine path leakage top of working surface under complex conditions

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1516851A (en) * 1975-04-04 1978-07-05 Gullick Dobson Ltd Mine roof supports
AT337639B (en) * 1975-09-26 1977-07-11 Voest Alpine Montan Ag SHIELD EXPANSION
HU179856B (en) * 1980-05-06 1982-12-28 Varpalotai Szenbanyak Apparatus for nining particularly expolating thick seams
GB2192021B (en) * 1986-06-26 1990-03-21 Gullick Dobson Ltd A roof engaging structure for a mine roof support
GB2192659B (en) * 1986-07-15 1990-04-11 Gullick Dobson Ltd Mine roof support roof engaging device
DE3940818A1 (en) * 1989-12-09 1991-06-13 Gewerk Eisenhuette Westfalia EXTENSION FRAME WITH A DEVICE FOR PULLING OUT THE PRODUCTS TO BE OBTAINED FROM THE UPPER BANK
GB2239286B (en) * 1989-12-23 1994-03-02 Meco Mining Equip Mine roof support

Also Published As

Publication number Publication date
GB2233379B (en) 1993-08-25
DE4018001A1 (en) 1990-12-20
GB9012433D0 (en) 1990-07-25
FR2648181A1 (en) 1990-12-14
GB2233379A (en) 1991-01-09
HU208043B (en) 1993-07-28

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Legal Events

Date Code Title Description
HMM4 Cancellation of final prot. due to non-payment of fee
DNF4 Restoration of lapsed final protection
HPC4 Succession in title of patentee

Owner name: PROMINE MAGYAR-ANGOL MERNOKI ES KERESKEDELMI SZOLG

HMM4 Cancellation of final prot. due to non-payment of fee