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FR1272578A - Device to ensure alignment of removable mine props - Google Patents

Device to ensure alignment of removable mine props

Info

Publication number
FR1272578A
FR1272578A FR836080A FR836080A FR1272578A FR 1272578 A FR1272578 A FR 1272578A FR 836080 A FR836080 A FR 836080A FR 836080 A FR836080 A FR 836080A FR 1272578 A FR1272578 A FR 1272578A
Authority
FR
France
Prior art keywords
removable
ensure alignment
mine props
props
mine
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
FR836080A
Other languages
French (fr)
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.)
MINES DOMANIALES DE POTASSE
Original Assignee
MINES DOMANIALES DE POTASSE
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 MINES DOMANIALES DE POTASSE filed Critical MINES DOMANIALES DE POTASSE
Priority to FR836080A priority Critical patent/FR1272578A/en
Application granted granted Critical
Publication of FR1272578A publication Critical patent/FR1272578A/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
    • E21D23/08—Advancing mechanisms
    • E21D23/081—Advancing mechanisms forming parts of the roof supports
    • E21D23/085—Advancing mechanisms forming parts of the roof supports acting on a conveyor or a guide for the mining machine
    • 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
    • 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
    • E21D23/04—Structural features of the supporting construction, e.g. linking members between adjacent frames or sets of props; Means for counteracting lateral sliding on inclined floor
    • E21D23/0409—Aligning or guiding means for the supports or for the constitutive parts of the supports

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)
  • Architecture (AREA)
  • Structural Engineering (AREA)
FR836080A 1960-08-18 1960-08-18 Device to ensure alignment of removable mine props Expired FR1272578A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
FR836080A FR1272578A (en) 1960-08-18 1960-08-18 Device to ensure alignment of removable mine props

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR836080A FR1272578A (en) 1960-08-18 1960-08-18 Device to ensure alignment of removable mine props

Publications (1)

Publication Number Publication Date
FR1272578A true FR1272578A (en) 1961-09-29

Family

ID=8737585

Family Applications (1)

Application Number Title Priority Date Filing Date
FR836080A Expired FR1272578A (en) 1960-08-18 1960-08-18 Device to ensure alignment of removable mine props

Country Status (1)

Country Link
FR (1) FR1272578A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2604316A1 (en) * 1976-02-05 1977-08-18 Gewerk Eisenhuette Westfalia GUIDANCE AND ALIGNMENT DEVICE FOR RETURNABLE EXTENSION UNITS

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2604316A1 (en) * 1976-02-05 1977-08-18 Gewerk Eisenhuette Westfalia GUIDANCE AND ALIGNMENT DEVICE FOR RETURNABLE EXTENSION UNITS
US4073151A (en) * 1976-02-05 1978-02-14 Gewerkschaft Eisenhutte Westfalia Mine roof support assemblies

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