FR1337133A - Mine roof support - Google Patents

Mine roof support

Info

Publication number
FR1337133A
FR1337133A FR913486A FR913486A FR1337133A FR 1337133 A FR1337133 A FR 1337133A FR 913486 A FR913486 A FR 913486A FR 913486 A FR913486 A FR 913486A FR 1337133 A FR1337133 A FR 1337133A
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
FR913486A
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.)
Dowty Mining Equipment Ltd
Original Assignee
Dowty Mining Equipment 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 Dowty Mining Equipment Ltd filed Critical Dowty Mining Equipment Ltd
Application granted granted Critical
Publication of FR1337133A publication Critical patent/FR1337133A/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
    • E21D23/0047—Mine roof supports for step- by- step movement, e.g. in combination with provisions for shifting of conveyors, mining machines, or guides therefor without essential shifting devices
    • 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
    • E21D23/06—Special mine caps or special tops of pit-props for permitting step-by-step movement
    • E—FIXED CONSTRUCTIONS
    • E21—EARTH DRILLING; MINING
    • E21F—SAFETY DEVICES, TRANSPORT, FILLING-UP, RESCUE, VENTILATION, OR DRAINING IN OR OF MINES OR TUNNELS
    • E21F13/00—Transport specially adapted to underground conditions
    • E21F13/08—Shifting conveyors or other transport devices from one location at the working face to another
    • E21F13/086—Armoured conveyors shifting devices
FR913486A 1961-10-27 1962-10-26 Mine roof support Expired FR1337133A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB3859361A GB972505A (en) 1961-10-27 1961-10-27 Roof support suitable for use in mines

Publications (1)

Publication Number Publication Date
FR1337133A true FR1337133A (en) 1963-09-06

Family

ID=10404466

Family Applications (1)

Application Number Title Priority Date Filing Date
FR913486A Expired FR1337133A (en) 1961-10-27 1962-10-26 Mine roof support

Country Status (2)

Country Link
FR (1) FR1337133A (en)
GB (1) GB972505A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1219429B (en) * 1964-02-28 1966-06-23 Gewerk Eisenhuette Westfalia Spreading device for conveyors in underground mining operations

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1219429B (en) * 1964-02-28 1966-06-23 Gewerk Eisenhuette Westfalia Spreading device for conveyors in underground mining operations

Also Published As

Publication number Publication date
GB972505A (en) 1964-10-14

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