FR1447719A - Attelage de soutènement hydraulique marchant - Google Patents

Attelage de soutènement hydraulique marchant

Info

Publication number
FR1447719A
FR1447719A FR32363A FR32363A FR1447719A FR 1447719 A FR1447719 A FR 1447719A FR 32363 A FR32363 A FR 32363A FR 32363 A FR32363 A FR 32363A FR 1447719 A FR1447719 A FR 1447719A
Authority
FR
France
Prior art keywords
walk
hydraulic support
behind hydraulic
support hitch
hitch
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
FR32363A
Other languages
English (en)
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 FR32363A priority Critical patent/FR1447719A/fr
Application granted granted Critical
Publication of FR1447719A publication Critical patent/FR1447719A/fr
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
    • E21D23/12—Control, e.g. using remote control
    • E21D23/14—Effecting automatic sequential movement of supports, e.g. one behind the other
    • 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
    • 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)
  • Architecture (AREA)
  • Structural Engineering (AREA)
FR32363A 1965-09-23 1965-09-23 Attelage de soutènement hydraulique marchant Expired FR1447719A (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
FR32363A FR1447719A (fr) 1965-09-23 1965-09-23 Attelage de soutènement hydraulique marchant

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR32363A FR1447719A (fr) 1965-09-23 1965-09-23 Attelage de soutènement hydraulique marchant

Publications (1)

Publication Number Publication Date
FR1447719A true FR1447719A (fr) 1966-07-29

Family

ID=8588895

Family Applications (1)

Application Number Title Priority Date Filing Date
FR32363A Expired FR1447719A (fr) 1965-09-23 1965-09-23 Attelage de soutènement hydraulique marchant

Country Status (1)

Country Link
FR (1) FR1447719A (fr)

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