FR1470496A - Improvements to mine supports - Google Patents

Improvements to mine supports

Info

Publication number
FR1470496A
FR1470496A FR51646A FR51646A FR1470496A FR 1470496 A FR1470496 A FR 1470496A FR 51646 A FR51646 A FR 51646A FR 51646 A FR51646 A FR 51646A FR 1470496 A FR1470496 A FR 1470496A
Authority
FR
France
Prior art keywords
mine supports
mine
supports
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
FR51646A
Other languages
French (fr)
Inventor
Archelaius Dawson Allen
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 FR51646A priority Critical patent/FR1470496A/en
Application granted granted Critical
Publication of FR1470496A publication Critical patent/FR1470496A/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
    • E21D23/04—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
    • E21D23/0472—Supports specially adapted for people walking or transporting material
    • 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

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)
FR51646A 1966-03-02 1966-03-02 Improvements to mine supports Expired FR1470496A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
FR51646A FR1470496A (en) 1966-03-02 1966-03-02 Improvements to mine supports

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR51646A FR1470496A (en) 1966-03-02 1966-03-02 Improvements to mine supports

Publications (1)

Publication Number Publication Date
FR1470496A true FR1470496A (en) 1967-02-24

Family

ID=8602608

Family Applications (1)

Application Number Title Priority Date Filing Date
FR51646A Expired FR1470496A (en) 1966-03-02 1966-03-02 Improvements to mine supports

Country Status (1)

Country Link
FR (1) FR1470496A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106968697A (en) * 2017-06-05 2017-07-21 安徽理工大学 Five degree of freedom parallel hydraulic support

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106968697A (en) * 2017-06-05 2017-07-21 安徽理工大学 Five degree of freedom parallel hydraulic support
CN106968697B (en) * 2017-06-05 2024-03-26 安徽理工大学 Five-degree-of-freedom parallel hydraulic support

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