FR1375878A - Mine roof support - Google Patents

Mine roof support

Info

Publication number
FR1375878A
FR1375878A FR946671A FR946671A FR1375878A FR 1375878 A FR1375878 A FR 1375878A FR 946671 A FR946671 A FR 946671A FR 946671 A FR946671 A FR 946671A FR 1375878 A FR1375878 A FR 1375878A
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
FR946671A
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.)
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 FR946671A priority Critical patent/FR1375878A/en
Application granted granted Critical
Publication of FR1375878A publication Critical patent/FR1375878A/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
    • E21D15/00—Props; Chocks, e.g. made of flexible containers filled with backfilling material
    • E21D15/50—Component parts or details of props
    • E21D15/54—Details of the ends of props
FR946671A 1963-09-05 1963-09-05 Mine roof support Expired FR1375878A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
FR946671A FR1375878A (en) 1963-09-05 1963-09-05 Mine roof support

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR946671A FR1375878A (en) 1963-09-05 1963-09-05 Mine roof support

Publications (1)

Publication Number Publication Date
FR1375878A true FR1375878A (en) 1964-10-23

Family

ID=8811803

Family Applications (1)

Application Number Title Priority Date Filing Date
FR946671A Expired FR1375878A (en) 1963-09-05 1963-09-05 Mine roof support

Country Status (1)

Country Link
FR (1) FR1375878A (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3481573A (en) * 1966-07-30 1969-12-02 Fletcher & Stewart Ltd Hydraulically operated mine roof supports
FR2505925A1 (en) * 1981-05-12 1982-11-19 Alsace Mines Potasse MECHANICAL DEVICE FOR CONNECTING HEAD BETWEEN HEAD OR PEDESTAL HEAD AND PACKAGE OR HAT FOR HOLDING BATTERIES

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3481573A (en) * 1966-07-30 1969-12-02 Fletcher & Stewart Ltd Hydraulically operated mine roof supports
FR2505925A1 (en) * 1981-05-12 1982-11-19 Alsace Mines Potasse MECHANICAL DEVICE FOR CONNECTING HEAD BETWEEN HEAD OR PEDESTAL HEAD AND PACKAGE OR HAT FOR HOLDING BATTERIES

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