FR1427549A - Improvements made to mine roof supports and similar - Google Patents

Improvements made to mine roof supports and similar

Info

Publication number
FR1427549A
FR1427549A FR11336A FR11336A FR1427549A FR 1427549 A FR1427549 A FR 1427549A FR 11336 A FR11336 A FR 11336A FR 11336 A FR11336 A FR 11336A FR 1427549 A FR1427549 A FR 1427549A
Authority
FR
France
Prior art keywords
similar
improvements made
mine roof
roof supports
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
FR11336A
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 FR11336A priority Critical patent/FR1427549A/en
Application granted granted Critical
Publication of FR1427549A publication Critical patent/FR1427549A/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
    • E21D23/006—Mine roof supports for step- by- step movement, e.g. in combination with provisions for shifting of conveyors, mining machines, or guides therefor provided with essential hydraulic devices
    • E21D23/0069—Mine roof supports for step- by- step movement, e.g. in combination with provisions for shifting of conveyors, mining machines, or guides therefor provided with essential hydraulic devices without essential advancing 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
    • E21D23/04—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
    • E21D23/0418—Positioning devices and stabilizing means for the props

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)
FR11336A 1965-03-31 1965-03-31 Improvements made to mine roof supports and similar Expired FR1427549A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
FR11336A FR1427549A (en) 1965-03-31 1965-03-31 Improvements made to mine roof supports and similar

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR11336A FR1427549A (en) 1965-03-31 1965-03-31 Improvements made to mine roof supports and similar

Publications (1)

Publication Number Publication Date
FR1427549A true FR1427549A (en) 1966-02-04

Family

ID=8575287

Family Applications (1)

Application Number Title Priority Date Filing Date
FR11336A Expired FR1427549A (en) 1965-03-31 1965-03-31 Improvements made to mine roof supports and similar

Country Status (1)

Country Link
FR (1) FR1427549A (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3512364A (en) * 1967-06-19 1970-05-19 Wild A G & Co Ltd Pillar and stall mining roof support
FR2497872A1 (en) * 1981-01-13 1982-07-16 Alsace Mines Potasse DEVICE FOR THE HYDRAULIC POSITIONING OF THE ETANCONS OF A HYDRAULIC SUPPORT ASSEMBLY

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3512364A (en) * 1967-06-19 1970-05-19 Wild A G & Co Ltd Pillar and stall mining roof support
FR2497872A1 (en) * 1981-01-13 1982-07-16 Alsace Mines Potasse DEVICE FOR THE HYDRAULIC POSITIONING OF THE ETANCONS OF A HYDRAULIC SUPPORT ASSEMBLY

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