FR905546A - Pushing device for formwork elements of extraction galleries - Google Patents

Pushing device for formwork elements of extraction galleries

Info

Publication number
FR905546A
FR905546A FR905546DA FR905546A FR 905546 A FR905546 A FR 905546A FR 905546D A FR905546D A FR 905546DA FR 905546 A FR905546 A FR 905546A
Authority
FR
France
Prior art keywords
galleries
extraction
pushing device
formwork elements
formwork
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.)
ERDOL AG ZECHEN GRAF BISMARCK
Original Assignee
ERDOL AG ZECHEN GRAF BISMARCK
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 ERDOL AG ZECHEN GRAF BISMARCK filed Critical ERDOL AG ZECHEN GRAF BISMARCK
Application granted granted Critical
Publication of FR905546A publication Critical patent/FR905546A/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
    • E21D23/0056—Mine roof supports for step- by- step movement, e.g. in combination with provisions for shifting of conveyors, mining machines, or guides therefor with individual advancing shifting devices

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)
  • Disintegrating Or Milling (AREA)
  • Press Drives And Press Lines (AREA)
FR905546D 1943-03-23 1944-06-28 Pushing device for formwork elements of extraction galleries Expired FR905546A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DEW2571D DE919165C (en) 1943-03-23 1943-03-23 Back machine for expansion elements for longwall construction

Publications (1)

Publication Number Publication Date
FR905546A true FR905546A (en) 1945-12-06

Family

ID=7591674

Family Applications (1)

Application Number Title Priority Date Filing Date
FR905546D Expired FR905546A (en) 1943-03-23 1944-06-28 Pushing device for formwork elements of extraction galleries

Country Status (3)

Country Link
BE (1) BE456484A (en)
DE (1) DE919165C (en)
FR (1) FR905546A (en)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1035598B (en) * 1952-05-24 1958-08-07 Gewerk Eisenhuette Westfalia Extension frame for the advancing longwall construction
DE974199C (en) * 1948-09-01 1960-10-13 Dowty Equipment Ltd Longwall extension team
DE977365C (en) * 1950-06-18 1966-03-24 Konrad Grebe Wandering longwall mining

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE974199C (en) * 1948-09-01 1960-10-13 Dowty Equipment Ltd Longwall extension team
DE977365C (en) * 1950-06-18 1966-03-24 Konrad Grebe Wandering longwall mining
DE1035598B (en) * 1952-05-24 1958-08-07 Gewerk Eisenhuette Westfalia Extension frame for the advancing longwall construction

Also Published As

Publication number Publication date
DE919165C (en) 1954-10-14
BE456484A (en) 1944-07-31

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