GB1049471A - Advancing hydraulic mine roof support frame assembly - Google Patents

Advancing hydraulic mine roof support frame assembly

Info

Publication number
GB1049471A
GB1049471A GB631764A GB631764A GB1049471A GB 1049471 A GB1049471 A GB 1049471A GB 631764 A GB631764 A GB 631764A GB 631764 A GB631764 A GB 631764A GB 1049471 A GB1049471 A GB 1049471A
Authority
GB
United Kingdom
Prior art keywords
cylinder
props
prop
piston
floor
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
GB631764A
Other languages
English (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.)
Gewerkschaft Eisenhutte Westfalia GmbH
Original Assignee
Gewerkschaft Eisenhutte Westfalia GmbH
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 DEV23658A external-priority patent/DE1160391B/de
Priority claimed from DEV23997A external-priority patent/DE1195254B/de
Application filed by Gewerkschaft Eisenhutte Westfalia GmbH filed Critical Gewerkschaft Eisenhutte Westfalia GmbH
Publication of GB1049471A publication Critical patent/GB1049471A/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
    • E21D23/006—Mine roof supports for step- by- step movement, e.g. in combination with provisions for shifting of conveyors, mining machines, or guides therefor provided with essential hydraulic devices
    • E21D23/0073—Mine roof supports for step- by- step movement, e.g. in combination with provisions for shifting of conveyors, mining machines, or guides therefor provided with essential hydraulic devices 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)
  • Conveying And Assembling Of Building Elements In Situ (AREA)
GB631764A 1963-02-16 1964-02-14 Advancing hydraulic mine roof support frame assembly Expired GB1049471A (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DEV23658A DE1160391B (de) 1963-02-16 1963-02-16 Schreitendes hydraulisches Grubenausbaugestell
DEV23997A DE1195254B (de) 1963-04-27 1963-04-27 Schreitendes hydraulisches Ausbaugestell

Publications (1)

Publication Number Publication Date
GB1049471A true GB1049471A (en) 1966-11-30

Family

ID=26001643

Family Applications (1)

Application Number Title Priority Date Filing Date
GB631764A Expired GB1049471A (en) 1963-02-16 1964-02-14 Advancing hydraulic mine roof support frame assembly

Country Status (2)

Country Link
BE (1) BE643805A (enrdf_load_stackoverflow)
GB (1) GB1049471A (enrdf_load_stackoverflow)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4586851A (en) * 1983-06-28 1986-05-06 Kloeckner-Becorit Gmbh Levelling ram for roof-shield mine support systems

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4586851A (en) * 1983-06-28 1986-05-06 Kloeckner-Becorit Gmbh Levelling ram for roof-shield mine support systems

Also Published As

Publication number Publication date
BE643805A (enrdf_load_stackoverflow) 1964-08-14

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