FR1211437A - Improvement in support devices for mines - Google Patents

Improvement in support devices for mines

Info

Publication number
FR1211437A
FR1211437A FR1211437DA FR1211437A FR 1211437 A FR1211437 A FR 1211437A FR 1211437D A FR1211437D A FR 1211437DA FR 1211437 A FR1211437 A FR 1211437A
Authority
FR
France
Prior art keywords
mines
improvement
support devices
devices
support
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
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.)
Dowty Mining Equipment Ltd
Original Assignee
Dowty Mining Equipment Ltd
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 Dowty Mining Equipment Ltd filed Critical Dowty Mining Equipment Ltd
Application granted granted Critical
Publication of FR1211437A publication Critical patent/FR1211437A/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

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)
FR1211437D 1957-07-15 1958-07-15 Improvement in support devices for mines Expired FR1211437A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB1211437X 1957-07-15

Publications (1)

Publication Number Publication Date
FR1211437A true FR1211437A (en) 1960-03-16

Family

ID=10882871

Family Applications (1)

Application Number Title Priority Date Filing Date
FR1211437D Expired FR1211437A (en) 1957-07-15 1958-07-15 Improvement in support devices for mines

Country Status (1)

Country Link
FR (1) FR1211437A (en)

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1128825B (en) * 1960-04-01 1962-05-03 Glueckauf Guenther Klerner Mas Mechanized expansion working in the overtaking step
DE1156038B (en) * 1959-11-24 1963-10-24 Houilleres Bassin Du Nord Striding support frame for the expansion of underground spaces, especially longwall mining
US3197966A (en) * 1960-02-18 1965-08-03 Gullick Ltd Roof supporting means for mines
DE1205036B (en) * 1960-06-30 1965-11-18 Kloeckner Werke Ag Wandering longwall with frame

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1156038B (en) * 1959-11-24 1963-10-24 Houilleres Bassin Du Nord Striding support frame for the expansion of underground spaces, especially longwall mining
US3197966A (en) * 1960-02-18 1965-08-03 Gullick Ltd Roof supporting means for mines
DE1128825B (en) * 1960-04-01 1962-05-03 Glueckauf Guenther Klerner Mas Mechanized expansion working in the overtaking step
DE1205036B (en) * 1960-06-30 1965-11-18 Kloeckner Werke Ag Wandering longwall with frame

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