FR1296460A - Support frame, usable in particular in mines - Google Patents

Support frame, usable in particular in mines

Info

Publication number
FR1296460A
FR1296460A FR869669A FR869669A FR1296460A FR 1296460 A FR1296460 A FR 1296460A FR 869669 A FR869669 A FR 869669A FR 869669 A FR869669 A FR 869669A FR 1296460 A FR1296460 A FR 1296460A
Authority
FR
France
Prior art keywords
mines
usable
support frame
frame
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
FR869669A
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.)
Gewerkschaft Eisenhutte Westfalia GmbH
Original Assignee
Gewerkschaft Eisenhutte Westfalia GmbH
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 Gewerkschaft Eisenhutte Westfalia GmbH filed Critical Gewerkschaft Eisenhutte Westfalia GmbH
Priority to FR869669A priority Critical patent/FR1296460A/en
Application granted granted Critical
Publication of FR1296460A publication Critical patent/FR1296460A/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
    • E21D23/04—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
    • 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
    • E21D23/0052—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
FR869669A 1961-08-01 1961-08-01 Support frame, usable in particular in mines Expired FR1296460A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
FR869669A FR1296460A (en) 1961-08-01 1961-08-01 Support frame, usable in particular in mines

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR869669A FR1296460A (en) 1961-08-01 1961-08-01 Support frame, usable in particular in mines

Publications (1)

Publication Number Publication Date
FR1296460A true FR1296460A (en) 1962-06-15

Family

ID=8760483

Family Applications (1)

Application Number Title Priority Date Filing Date
FR869669A Expired FR1296460A (en) 1961-08-01 1961-08-01 Support frame, usable in particular in mines

Country Status (1)

Country Link
FR (1) FR1296460A (en)

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