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FR1298692A - Improvements to roof supports, in mines and similar installations - Google Patents

Improvements to roof supports, in mines and similar installations

Info

Publication number
FR1298692A
FR1298692A FR871610A FR871610A FR1298692A FR 1298692 A FR1298692 A FR 1298692A FR 871610 A FR871610 A FR 871610A FR 871610 A FR871610 A FR 871610A FR 1298692 A FR1298692 A FR 1298692A
Authority
FR
France
Prior art keywords
mines
roof supports
similar installations
installations
similar
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
FR871610A
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.)
Gullick Ltd
Original Assignee
Gullick 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 Gullick Ltd filed Critical Gullick Ltd
Priority to FR871610A priority Critical patent/FR1298692A/en
Application granted granted Critical
Publication of FR1298692A publication Critical patent/FR1298692A/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
    • E21D23/08—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
    • E21D23/086—Details of fixing devices therefor
    • 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

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)
FR871610A 1961-08-25 1961-08-25 Improvements to roof supports, in mines and similar installations Expired FR1298692A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
FR871610A FR1298692A (en) 1961-08-25 1961-08-25 Improvements to roof supports, in mines and similar installations

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR871610A FR1298692A (en) 1961-08-25 1961-08-25 Improvements to roof supports, in mines and similar installations

Publications (1)

Publication Number Publication Date
FR1298692A true FR1298692A (en) 1962-07-13

Family

ID=8761776

Family Applications (1)

Application Number Title Priority Date Filing Date
FR871610A Expired FR1298692A (en) 1961-08-25 1961-08-25 Improvements to roof supports, in mines and similar installations

Country Status (1)

Country Link
FR (1) FR1298692A (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1236451B (en) * 1963-12-21 1967-03-16 Karl Maria Groetschel Dipl Ing Guide element that can be used between two adjacent expansion units
FR2320420A1 (en) * 1975-08-05 1977-03-04 Gp Konstruk Powered mine shields for inclined seams - has aligners fixed to form shield groups, and aligners adjust to floor plate width on interposed master groups

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1236451B (en) * 1963-12-21 1967-03-16 Karl Maria Groetschel Dipl Ing Guide element that can be used between two adjacent expansion units
FR2320420A1 (en) * 1975-08-05 1977-03-04 Gp Konstruk Powered mine shields for inclined seams - has aligners fixed to form shield groups, and aligners adjust to floor plate width on interposed master groups

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