FR1398433A - Perfectionnements aux appareils de soutènement pour mines - Google Patents

Perfectionnements aux appareils de soutènement pour mines

Info

Publication number
FR1398433A
FR1398433A FR977883A FR977883A FR1398433A FR 1398433 A FR1398433 A FR 1398433A FR 977883 A FR977883 A FR 977883A FR 977883 A FR977883 A FR 977883A FR 1398433 A FR1398433 A FR 1398433A
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
FR977883A
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.)
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
Priority to FR977883A priority Critical patent/FR1398433A/fr
Application granted granted Critical
Publication of FR1398433A publication Critical patent/FR1398433A/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
    • E21D23/08—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
    • 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
    • E21D23/0004—Mine roof supports for step- by- step movement, e.g. in combination with provisions for shifting of conveyors, mining machines, or guides therefor along the working face
    • E21D23/0017—Pile type supports
    • E21D23/0021—Pile type supports comprising two walking elements

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)
FR977883A 1964-06-11 1964-06-11 Perfectionnements aux appareils de soutènement pour mines Expired FR1398433A (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
FR977883A FR1398433A (fr) 1964-06-11 1964-06-11 Perfectionnements aux appareils de soutènement pour mines

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR977883A FR1398433A (fr) 1964-06-11 1964-06-11 Perfectionnements aux appareils de soutènement pour mines

Publications (1)

Publication Number Publication Date
FR1398433A true FR1398433A (fr) 1965-05-07

Family

ID=8832129

Family Applications (1)

Application Number Title Priority Date Filing Date
FR977883A Expired FR1398433A (fr) 1964-06-11 1964-06-11 Perfectionnements aux appareils de soutènement pour mines

Country Status (1)

Country Link
FR (1) FR1398433A (fr)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1533726B1 (de) * 1966-03-24 1970-08-06 Electro Hydraulics Ltd Wandernder hydraulischer Strebausbau
FR2529614A1 (fr) * 1982-07-01 1984-01-06 Gp Konstruk Section de soutenement mecanisee

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1533726B1 (de) * 1966-03-24 1970-08-06 Electro Hydraulics Ltd Wandernder hydraulischer Strebausbau
FR2529614A1 (fr) * 1982-07-01 1984-01-06 Gp Konstruk Section de soutenement mecanisee

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