FR1536278A - Perfectionnements aux dispositifs de soutènement dans les mines ou analogues - Google Patents

Perfectionnements aux dispositifs de soutènement dans les mines ou analogues

Info

Publication number
FR1536278A
FR1536278A FR48738A FR69048738A FR1536278A FR 1536278 A FR1536278 A FR 1536278A FR 48738 A FR48738 A FR 48738A FR 69048738 A FR69048738 A FR 69048738A FR 1536278 A FR1536278 A FR 1536278A
Authority
FR
France
Prior art keywords
mines
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
FR48738A
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.)
Bennes Marrel SA
Original Assignee
Bennes Marrel SA
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 Bennes Marrel SA filed Critical Bennes Marrel SA
Priority to FR48738A priority Critical patent/FR1536278A/fr
Priority to DE19681758442D priority patent/DE1758442B1/de
Application granted granted Critical
Publication of FR1536278A publication Critical patent/FR1536278A/fr
Expired legal-status Critical Current

Links

Classifications

    • EFIXED CONSTRUCTIONS
    • E21EARTH OR ROCK DRILLING; MINING
    • E21DSHAFTS; TUNNELS; GALLERIES; LARGE UNDERGROUND CHAMBERS
    • E21D17/00Caps for supporting mine roofs
    • E21D17/02Cantilever extension or similar protecting devices
    • E21D17/0206Hydraulically operated extension devices
    • EFIXED CONSTRUCTIONS
    • E21EARTH OR ROCK DRILLING; MINING
    • E21DSHAFTS; TUNNELS; GALLERIES; LARGE UNDERGROUND CHAMBERS
    • E21D17/00Caps for supporting mine roofs
    • E21D17/02Cantilever extension or similar protecting devices
    • E21D17/08Cap joints for obtaining a coal-face free of pit-props
    • E21D17/086Cap joints for obtaining a coal-face free of pit-props or articulated type
    • EFIXED CONSTRUCTIONS
    • E21EARTH OR ROCK DRILLING; MINING
    • E21DSHAFTS; TUNNELS; GALLERIES; LARGE UNDERGROUND CHAMBERS
    • E21D23/00Mine roof supports for step- by- step movement, e.g. in combination with provisions for shifting of conveyors, mining machines, or guides therefor
    • E21D23/0047Mine roof supports for step- by- step movement, e.g. in combination with provisions for shifting of conveyors, mining machines, or guides therefor without essential 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)
  • Hinges (AREA)
FR48738A 1967-06-01 1967-06-01 Perfectionnements aux dispositifs de soutènement dans les mines ou analogues Expired FR1536278A (fr)

Priority Applications (2)

Application Number Priority Date Filing Date Title
FR48738A FR1536278A (fr) 1967-06-01 1967-06-01 Perfectionnements aux dispositifs de soutènement dans les mines ou analogues
DE19681758442D DE1758442B1 (de) 1967-06-01 1968-06-01 Vorrichtung zum Abstuetzen der Ortsbrust bzw. des Abbaustosses in Strecken oder Streben

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR48738A FR1536278A (fr) 1967-06-01 1967-06-01 Perfectionnements aux dispositifs de soutènement dans les mines ou analogues

Publications (1)

Publication Number Publication Date
FR1536278A true FR1536278A (fr) 1968-08-16

Family

ID=9694735

Family Applications (1)

Application Number Title Priority Date Filing Date
FR48738A Expired FR1536278A (fr) 1967-06-01 1967-06-01 Perfectionnements aux dispositifs de soutènement dans les mines ou analogues

Country Status (2)

Country Link
DE (1) DE1758442B1 (fr)
FR (1) FR1536278A (fr)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2819172C2 (de) * 1978-05-02 1985-01-24 Hermann Hemscheidt Maschinenfabrik Gmbh & Co, 5600 Wuppertal Vorpfändeinrichtung für hydraulischen Schreitausbau

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1112483B (de) * 1960-07-09 1961-08-10 Wilhelm Reppel Loesbare Verbindung fuer Strebkappen
GB1037734A (en) * 1961-12-19 1966-08-03 Coal Industry Patents Ltd Improvements in mine roof bars
DE1197416B (de) * 1963-10-08 1965-07-29 Rheinstahl Gmbh Wanheim Vorpfaendvorrichtung fuer den Bergbau-Untertagebetrieb
DE1907015U (de) * 1964-02-28 1964-12-23 Hemscheidt Maschf Hermann Ausbaugespann.

Also Published As

Publication number Publication date
DE1758442B1 (de) 1971-12-02

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