FR1492448A - Soutènement hydraulique du toit des galeries de mines - Google Patents

Soutènement hydraulique du toit des galeries de mines

Info

Publication number
FR1492448A
FR1492448A FR75425A FR75425A FR1492448A FR 1492448 A FR1492448 A FR 1492448A FR 75425 A FR75425 A FR 75425A FR 75425 A FR75425 A FR 75425A FR 1492448 A FR1492448 A FR 1492448A
Authority
FR
France
Prior art keywords
roof
hydraulic support
mining galleries
galleries
mining
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
FR75425A
Other languages
English (en)
Inventor
Lewis Robert Bower
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.)
WILD A G & CO Ltd
AG Wild and Co Ltd
Original Assignee
WILD A G & CO Ltd
AG Wild and 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 WILD A G & CO Ltd, AG Wild and Co Ltd filed Critical WILD A G & CO Ltd
Priority to FR75425A priority Critical patent/FR1492448A/fr
Application granted granted Critical
Publication of FR1492448A publication Critical patent/FR1492448A/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
    • E21D23/04—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
    • E21D23/06—Special mine caps or special tops of pit-props for permitting step-by-step movement

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)
FR75425A 1966-09-06 1966-09-06 Soutènement hydraulique du toit des galeries de mines Expired FR1492448A (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
FR75425A FR1492448A (fr) 1966-09-06 1966-09-06 Soutènement hydraulique du toit des galeries de mines

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR75425A FR1492448A (fr) 1966-09-06 1966-09-06 Soutènement hydraulique du toit des galeries de mines

Publications (1)

Publication Number Publication Date
FR1492448A true FR1492448A (fr) 1967-08-18

Family

ID=8616603

Family Applications (1)

Application Number Title Priority Date Filing Date
FR75425A Expired FR1492448A (fr) 1966-09-06 1966-09-06 Soutènement hydraulique du toit des galeries de mines

Country Status (1)

Country Link
FR (1) FR1492448A (fr)

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