FR1482230A - Improvements to support struts for mines - Google Patents

Improvements to support struts for mines

Info

Publication number
FR1482230A
FR1482230A FR69047174A FR69047174A FR1482230A FR 1482230 A FR1482230 A FR 1482230A FR 69047174 A FR69047174 A FR 69047174A FR 69047174 A FR69047174 A FR 69047174A FR 1482230 A FR1482230 A FR 1482230A
Authority
FR
France
Prior art keywords
mines
support struts
struts
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
FR69047174A
Other languages
French (fr)
Inventor
Raymond Bore
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.)
Bennes Marrel SA
Original Assignee
Bennes Marrel SA
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 Bennes Marrel SA filed Critical Bennes Marrel SA
Priority to FR69047174A priority Critical patent/FR1482230A/en
Application granted granted Critical
Publication of FR1482230A publication Critical patent/FR1482230A/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
    • E21D23/0418—Positioning devices and stabilizing means for the props

Landscapes

  • Engineering & Computer Science (AREA)
  • Mining & Mineral Resources (AREA)
  • Architecture (AREA)
  • Structural Engineering (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Geochemistry & Mineralogy (AREA)
  • Geology (AREA)
FR69047174A 1966-04-15 1966-04-15 Improvements to support struts for mines Expired FR1482230A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
FR69047174A FR1482230A (en) 1966-04-15 1966-04-15 Improvements to support struts for mines

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR69047174A FR1482230A (en) 1966-04-15 1966-04-15 Improvements to support struts for mines

Publications (1)

Publication Number Publication Date
FR1482230A true FR1482230A (en) 1967-05-26

Family

ID=1585243

Family Applications (1)

Application Number Title Priority Date Filing Date
FR69047174A Expired FR1482230A (en) 1966-04-15 1966-04-15 Improvements to support struts for mines

Country Status (1)

Country Link
FR (1) FR1482230A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
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 (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2497872A1 (en) * 1981-01-13 1982-07-16 Alsace Mines Potasse DEVICE FOR THE HYDRAULIC POSITIONING OF THE ETANCONS OF A HYDRAULIC SUPPORT ASSEMBLY

Similar Documents

Publication Publication Date Title
FR1500461A (en) Improvements to prostheses
FR1470226A (en) Improvements to retractable suspensions
FR1444163A (en) Improvements to suspended insulators
FR1485474A (en) Improvements to shearers
FR1457364A (en) Improvements to pipe support gutters
FR1463480A (en) Improvements to mine supports
FR1482230A (en) Improvements to support struts for mines
FR1430276A (en) Improvements to tube-packaging
FR1496616A (en) Improvements to containers
FR1469545A (en) Improvements to transportable tanks
FR1520313A (en) Improvements relating to mine supports
FR1480192A (en) Improvements to gyroscopes
FR1359021A (en) Collapsible support for mine support
FR90248E (en) Improvements to mobile supports for mines
FR1418547A (en) Improvements to mobile supports for mines
FR1487718A (en) Mechanized support for mines
FR1453015A (en) Improvements to railing supports for roadways
FR1459129A (en) Improvements to filters
FR1470496A (en) Improvements to mine supports
FR1467272A (en) Improvements to support extensions, especially for mines
FR1526170A (en) Improvements to support piles, especially for mines
FR1506038A (en) Improvements to suspension rods
FR1481203A (en) Improvements to containers
FR1444805A (en) Improvements to crystallizers
FR1531292A (en) Improvements to metal containers