YU275781A - Reinforcement for mines - Google Patents

Reinforcement for mines

Info

Publication number
YU275781A
YU275781A YU02757/81A YU275781A YU275781A YU 275781 A YU275781 A YU 275781A YU 02757/81 A YU02757/81 A YU 02757/81A YU 275781 A YU275781 A YU 275781A YU 275781 A YU275781 A YU 275781A
Authority
YU
Yugoslavia
Prior art keywords
mines
reinforcement
Prior art date
Application number
YU02757/81A
Other languages
English (en)
Inventor
F Rutherford
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
Publication of YU275781A publication Critical patent/YU275781A/xx

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
    • E21D23/06—Special mine caps or special tops of pit-props for permitting step-by-step movement
    • E21D23/063—Retractable cantilever extensions therefor
    • 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
    • E21D23/0004—Mine roof supports for step- by- step movement, e.g. in combination with provisions for shifting of conveyors, mining machines, or guides therefor along the working face
    • E21D23/0034—Mine roof supports for step- by- step movement, e.g. in combination with provisions for shifting of conveyors, mining machines, or guides therefor along the working face comprising a goaf shield articulated to a base member
    • E21D23/0043—Mine roof supports for step- by- step movement, e.g. in combination with provisions for shifting of conveyors, mining machines, or guides therefor along the working face comprising a goaf shield articulated to a base member and supported by two or more rows of struts parallel to the working face
YU02757/81A 1980-11-26 1981-11-24 Reinforcement for mines YU275781A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB8037937A GB2087964B (en) 1980-11-26 1980-11-26 Roof support for use in mines

Publications (1)

Publication Number Publication Date
YU275781A true YU275781A (en) 1983-12-31

Family

ID=10517574

Family Applications (1)

Application Number Title Priority Date Filing Date
YU02757/81A YU275781A (en) 1980-11-26 1981-11-24 Reinforcement for mines

Country Status (4)

Country Link
US (1) US4411558A (de)
DE (1) DE3146461A1 (de)
GB (1) GB2087964B (de)
YU (1) YU275781A (de)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3237719A1 (de) * 1982-10-12 1984-04-12 Gewerkschaft Eisenhütte Westfalia, 4670 Lünen Einrichtung zur steuerung einer hangendkappe in abhaengigkeit einer schiebekappe
GB2182704B (en) * 1985-11-08 1989-01-18 Dobson Park Ind Mine roof supports
DE3605236A1 (de) * 1986-02-19 1987-08-20 Gewerk Eisenhuette Westfalia Steuereinrichtung fuer untertaegige ausbaueinheiten
GB2197678B (en) * 1986-11-21 1990-04-11 Gullick Dobson Ltd Mine roof supports
US10808533B2 (en) * 2018-05-17 2020-10-20 Swanson Industries, Inc. Mining rock deflector apparatus and method
CN113039345A (zh) 2018-09-24 2021-06-25 久益环球地下采矿有限责任公司 包括可延伸的连杆的顶板支架

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1429799A (en) * 1973-01-26 1976-03-24 Gullick Dobson Ltd Mine roof supports
US3877234A (en) * 1973-05-04 1975-04-15 Banyaszati Kutato Intezet Advanceable shield support
DE2806982C2 (de) * 1978-02-18 1986-08-14 Gewerkschaft Eisenhütte Westfalia GmbH, 4670 Lünen Schreitausbau für Blasversatzbetriebe in geneigter Lagerung

Also Published As

Publication number Publication date
US4411558A (en) 1983-10-25
GB2087964A (en) 1982-06-03
GB2087964B (en) 1984-03-21
DE3146461A1 (de) 1982-06-24

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