FR1466514A - Support pour toit de mine - Google Patents

Support pour toit de mine

Info

Publication number
FR1466514A
FR1466514A FR41417A FR41417A FR1466514A FR 1466514 A FR1466514 A FR 1466514A FR 41417 A FR41417 A FR 41417A FR 41417 A FR41417 A FR 41417A FR 1466514 A FR1466514 A FR 1466514A
Authority
FR
France
Prior art keywords
roof support
mine roof
mine
support
roof
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
FR41417A
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.)
Mastabar Mining Equipment Co Ltd
Original Assignee
Mastabar Mining Equipment Co 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 Mastabar Mining Equipment Co Ltd filed Critical Mastabar Mining Equipment Co Ltd
Priority to FR41417A priority Critical patent/FR1466514A/fr
Application granted granted Critical
Publication of FR1466514A publication Critical patent/FR1466514A/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
    • E21D23/0052—Mine roof supports for step- by- step movement, e.g. in combination with provisions for shifting of conveyors, mining machines, or guides therefor with advancing shifting devices connected therewith

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)
FR41417A 1965-12-08 1965-12-08 Support pour toit de mine Expired FR1466514A (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
FR41417A FR1466514A (fr) 1965-12-08 1965-12-08 Support pour toit de mine

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR41417A FR1466514A (fr) 1965-12-08 1965-12-08 Support pour toit de mine

Publications (1)

Publication Number Publication Date
FR1466514A true FR1466514A (fr) 1967-01-20

Family

ID=1583104

Family Applications (1)

Application Number Title Priority Date Filing Date
FR41417A Expired FR1466514A (fr) 1965-12-08 1965-12-08 Support pour toit de mine

Country Status (1)

Country Link
FR (1) FR1466514A (fr)

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