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FR1294095A - Hydraulic support hitch for underground support - Google Patents

Hydraulic support hitch for underground support

Info

Publication number
FR1294095A
FR1294095A FR867118A FR867118A FR1294095A FR 1294095 A FR1294095 A FR 1294095A FR 867118 A FR867118 A FR 867118A FR 867118 A FR867118 A FR 867118A FR 1294095 A FR1294095 A FR 1294095A
Authority
FR
France
Prior art keywords
support
hitch
underground
hydraulic
hydraulic 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
FR867118A
Other languages
French (fr)
Inventor
Josef Welzel
Hans Buell
Alfred Maykemper
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.)
Hemscheidt Hermann Maschinenfabrik GmbH and Co
Hermann Hemscheidit Maschinenfabrik GmbH and Co
Original Assignee
Hemscheidt Hermann Maschinenfabrik GmbH and Co
Hermann Hemscheidit Maschinenfabrik GmbH and Co
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 Hemscheidt Hermann Maschinenfabrik GmbH and Co, Hermann Hemscheidit Maschinenfabrik GmbH and Co filed Critical Hemscheidt Hermann Maschinenfabrik GmbH and Co
Priority to FR867118A priority Critical patent/FR1294095A/en
Application granted granted Critical
Publication of FR1294095A publication Critical patent/FR1294095A/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
    • E21D23/0047—Mine 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
    • 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

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)
FR867118A 1961-07-06 1961-07-06 Hydraulic support hitch for underground support Expired FR1294095A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
FR867118A FR1294095A (en) 1961-07-06 1961-07-06 Hydraulic support hitch for underground support

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR867118A FR1294095A (en) 1961-07-06 1961-07-06 Hydraulic support hitch for underground support

Publications (1)

Publication Number Publication Date
FR1294095A true FR1294095A (en) 1962-05-18

Family

ID=8758757

Family Applications (1)

Application Number Title Priority Date Filing Date
FR867118A Expired FR1294095A (en) 1961-07-06 1961-07-06 Hydraulic support hitch for underground support

Country Status (1)

Country Link
FR (1) FR1294095A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1221175B (en) * 1962-10-10 1966-07-21 Dowty Mining Equipment Ltd Wandering longwall mining

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1221175B (en) * 1962-10-10 1966-07-21 Dowty Mining Equipment Ltd Wandering longwall mining

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