FR1257790A - Process for the exploitation of veins by erecting and apparatus allowing the implementation of this process - Google Patents

Process for the exploitation of veins by erecting and apparatus allowing the implementation of this process

Info

Publication number
FR1257790A
FR1257790A FR819516A FR819516A FR1257790A FR 1257790 A FR1257790 A FR 1257790A FR 819516 A FR819516 A FR 819516A FR 819516 A FR819516 A FR 819516A FR 1257790 A FR1257790 A FR 1257790A
Authority
FR
France
Prior art keywords
erecting
veins
exploitation
implementation
apparatus allowing
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
FR819516A
Other languages
French (fr)
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.)
LORRAINE HOUILLERES
Houilleres du Bassin de Lorraine
Original Assignee
LORRAINE HOUILLERES
Houilleres du Bassin de Lorraine
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 LORRAINE HOUILLERES, Houilleres du Bassin de Lorraine filed Critical LORRAINE HOUILLERES
Priority to FR819516A priority Critical patent/FR1257790A/en
Application granted granted Critical
Publication of FR1257790A publication Critical patent/FR1257790A/en
Expired legal-status Critical Current

Links

Classifications

    • E—FIXED CONSTRUCTIONS
    • E21—EARTH 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
    • E21D23/08—Advancing mechanisms
    • E21D23/081—Advancing mechanisms forming parts of the roof supports
    • E—FIXED CONSTRUCTIONS
    • E21—EARTH 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
    • E21D23/0082—Mine roof supports for step- by- step movement, e.g. in combination with provisions for shifting of conveyors, mining machines, or guides therefor specially adapted for vertical or steep gradient seams
FR819516A 1960-02-25 1960-02-25 Process for the exploitation of veins by erecting and apparatus allowing the implementation of this process Expired FR1257790A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
FR819516A FR1257790A (en) 1960-02-25 1960-02-25 Process for the exploitation of veins by erecting and apparatus allowing the implementation of this process

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR819516A FR1257790A (en) 1960-02-25 1960-02-25 Process for the exploitation of veins by erecting and apparatus allowing the implementation of this process

Publications (1)

Publication Number Publication Date
FR1257790A true FR1257790A (en) 1961-04-07

Family

ID=8725774

Family Applications (1)

Application Number Title Priority Date Filing Date
FR819516A Expired FR1257790A (en) 1960-02-25 1960-02-25 Process for the exploitation of veins by erecting and apparatus allowing the implementation of this process

Country Status (1)

Country Link
FR (1) FR1257790A (en)

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