GB8903140D0 - Mine supports - Google Patents

Mine supports

Info

Publication number
GB8903140D0
GB8903140D0 GB898903140A GB8903140A GB8903140D0 GB 8903140 D0 GB8903140 D0 GB 8903140D0 GB 898903140 A GB898903140 A GB 898903140A GB 8903140 A GB8903140 A GB 8903140A GB 8903140 D0 GB8903140 D0 GB 8903140D0
Authority
GB
United Kingdom
Prior art keywords
mine supports
mine
supports
Prior art date
Legal status (The legal status 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 status listed.)
Granted
Application number
GB898903140A
Other versions
GB2215763B (en
GB2215763A (en
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
SZENTAIR GYORGY
Original Assignee
SZENTAIR GYORGY
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 SZENTAIR GYORGY filed Critical SZENTAIR GYORGY
Publication of GB8903140D0 publication Critical patent/GB8903140D0/en
Publication of GB2215763A publication Critical patent/GB2215763A/en
Application granted granted Critical
Publication of GB2215763B publication Critical patent/GB2215763B/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Classifications

    • E—FIXED CONSTRUCTIONS
    • E21—EARTH OR ROCK 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
    • E21D23/0034—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 comprising a goaf shield articulated to a base member

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)
  • Lining And Supports For Tunnels (AREA)
  • Helmets And Other Head Coverings (AREA)
GB8903140A 1988-02-11 1989-02-13 Mine supports Expired - Lifetime GB2215763B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
HU66188A HU203803B (en) 1988-02-11 1988-02-11 Supporting device for supporting mine space

Publications (3)

Publication Number Publication Date
GB8903140D0 true GB8903140D0 (en) 1989-03-30
GB2215763A GB2215763A (en) 1989-09-27
GB2215763B GB2215763B (en) 1992-04-01

Family

ID=10950721

Family Applications (1)

Application Number Title Priority Date Filing Date
GB8903140A Expired - Lifetime GB2215763B (en) 1988-02-11 1989-02-13 Mine supports

Country Status (4)

Country Link
JP (1) JPH01312200A (en)
DE (1) DE3904012A1 (en)
GB (1) GB2215763B (en)
HU (1) HU203803B (en)

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
ZA74424B (en) * 1973-02-27 1974-11-27 Becorit Grubenausbau Gmbh Improvements in or relating to a shield assembly in or for use in a mine roof support
DE2400136A1 (en) * 1974-01-03 1975-07-17 Gewerk Eisenhuette Westfalia SHIELD STRUCTURE
DE2413538C2 (en) * 1974-03-21 1978-05-24 Bochumer Eisenhuette Heintzmann & Co, 4630 Bochum Shield support frame
US3971225A (en) * 1974-04-08 1976-07-27 Becorit Grubenausbau Gmbh Mine support assemblies
GB1569822A (en) * 1976-02-03 1980-06-18 Bochumer Eisen Heintzmann Roof-supporting frame of the caving shield type for underground workings in mines
YU97979A (en) * 1978-05-22 1982-08-31 Central Osrodek Projekt Konstr Assembly of a protective roof support in mines
DE2840835C2 (en) * 1978-09-20 1986-03-06 Klöckner-Becorit GmbH, 4620 Castrop-Rauxel Shield support frame for underground longwall mining

Also Published As

Publication number Publication date
JPH01312200A (en) 1989-12-15
GB2215763B (en) 1992-04-01
HUT49930A (en) 1989-11-28
HU203803B (en) 1991-09-30
GB2215763A (en) 1989-09-27
DE3904012A1 (en) 1989-08-24

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Legal Events

Date Code Title Description
PCNP Patent ceased through non-payment of renewal fee

Effective date: 19930213