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GB1170156A - Supports for Mines. - Google Patents

Supports for Mines.

Info

Publication number
GB1170156A
GB1170156A GB248367A GB248367A GB1170156A GB 1170156 A GB1170156 A GB 1170156A GB 248367 A GB248367 A GB 248367A GB 248367 A GB248367 A GB 248367A GB 1170156 A GB1170156 A GB 1170156A
Authority
GB
United Kingdom
Prior art keywords
jan
advance
advancing
supports
frames
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.)
Expired
Application number
GB248367A
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.)
PODMOSKOVNY G PK I EXPERIMERTA
Original Assignee
PODMOSKOVNY G PK I EXPERIMERTA
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
Priority claimed from SU1049625A external-priority patent/SU262050A1/en
Application filed by PODMOSKOVNY G PK I EXPERIMERTA filed Critical PODMOSKOVNY G PK I EXPERIMERTA
Publication of GB1170156A publication Critical patent/GB1170156A/en
Expired 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
    • E21D23/0052—Mine roof supports for step- by- step movement, e.g. in combination with provisions for shifting of conveyors, mining machines, or guides therefor with advancing shifting devices connected therewith

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)
  • Excavating Of Shafts Or Tunnels (AREA)

Abstract

1,170,156. Advancing mine roof supports. PODMOSKOVNY GOSUDARSTVENNY PROEKTNOKONSTRUKTORSKY I EXPERIMERTALNY INSTITUT GORNOGO MASHINOSTRONIYA. 17 Jan., 1967 [17 Jan., 1966], No. 2483/67. Heading E1P. In an advancing mine roof support assembly arranged in a gate road junction each roof support unit I consists of two frames 1, 6, 7, 4, 5 incorporating a goaf shield 2 and each unit is connected to a base member 8 such as a gate conveyor 14 by two advancing means 9 simultaneously operable to advance the member 8 and alternately operable to advance the frames relative to one another.
GB248367A 1966-01-17 1967-01-17 Supports for Mines. Expired GB1170156A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
SU1049625A SU262050A1 (en) 1966-01-17 STRETCH STRIP

Publications (1)

Publication Number Publication Date
GB1170156A true GB1170156A (en) 1969-11-12

Family

ID=20438989

Family Applications (1)

Application Number Title Priority Date Filing Date
GB248367A Expired GB1170156A (en) 1966-01-17 1967-01-17 Supports for Mines.

Country Status (1)

Country Link
GB (1) GB1170156A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2191236A (en) * 1986-06-04 1987-12-09 Gullick Dobson Ltd Movable hydraulic jacks on mine roof support

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2191236A (en) * 1986-06-04 1987-12-09 Gullick Dobson Ltd Movable hydraulic jacks on mine roof support
US4797023A (en) * 1986-06-04 1989-01-10 Gullick Dobson Limited Mine roof supports
GB2191236B (en) * 1986-06-04 1990-04-04 Gullick Dobson Ltd Mine roof supports

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