GB960825A - An advancing hydraulic roof support frame assembly for face galleries in mines - Google Patents

An advancing hydraulic roof support frame assembly for face galleries in mines

Info

Publication number
GB960825A
GB960825A GB3752663A GB3752663A GB960825A GB 960825 A GB960825 A GB 960825A GB 3752663 A GB3752663 A GB 3752663A GB 3752663 A GB3752663 A GB 3752663A GB 960825 A GB960825 A GB 960825A
Authority
GB
United Kingdom
Prior art keywords
support frame
frame assembly
roof support
mines
advancing
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
GB3752663A
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
Publication of GB960825A publication Critical patent/GB960825A/en
Expired legal-status Critical Current

Links

Classifications

    • E—FIXED CONSTRUCTIONS
    • E21—EARTH OR ROCK 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
    • E21D23/006—Mine roof supports for step- by- step movement, e.g. in combination with provisions for shifting of conveyors, mining machines, or guides therefor provided with essential hydraulic devices
    • E21D23/0073—Mine roof supports for step- by- step movement, e.g. in combination with provisions for shifting of conveyors, mining machines, or guides therefor provided with essential hydraulic devices with advancing shifting devices connected therewith
    • E—FIXED CONSTRUCTIONS
    • E21—EARTH OR ROCK 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

Landscapes

  • Engineering & Computer Science (AREA)
  • Mining & Mineral Resources (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Geochemistry & Mineralogy (AREA)
  • Geology (AREA)
  • Mechanical Engineering (AREA)
  • Lifting Devices For Agricultural Implements (AREA)
  • Framework For Endless Conveyors (AREA)
  • Refuse Collection And Transfer (AREA)

Abstract

960,825. Advancing mine roof supports. GEWERKSCHAFT EISENHUTTE WESTFALIA. Aug. 11, 1960 [Oct. 9, 1959], No. 37526/63. Divided out of 960,824. Heading E1E. An advancing mine roof support frame assembly 11, 12, 13 is provided with a conveyer advancing jack 26 the plunger 22, 23 of which is urged against the conveyer under a constant pressure generated by a pump 15 whilst excess pressure resulting from passage of the coal plough is reduced by a relief valve 25. Specification 866,240 also is referred to.
GB3752663A 1959-10-09 1960-08-11 An advancing hydraulic roof support frame assembly for face galleries in mines Expired GB960825A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DEG28124A DE1142569B (en) 1959-10-09 1959-10-09 Device for backing conveyors

Publications (1)

Publication Number Publication Date
GB960825A true GB960825A (en) 1964-06-17

Family

ID=7123401

Family Applications (2)

Application Number Title Priority Date Filing Date
GB2789160A Expired GB960824A (en) 1959-10-09 1960-08-11 An advancing hydraulic roof support frame assembly for face galleries in mines
GB3752663A Expired GB960825A (en) 1959-10-09 1960-08-11 An advancing hydraulic roof support frame assembly for face galleries in mines

Family Applications Before (1)

Application Number Title Priority Date Filing Date
GB2789160A Expired GB960824A (en) 1959-10-09 1960-08-11 An advancing hydraulic roof support frame assembly for face galleries in mines

Country Status (2)

Country Link
DE (1) DE1142569B (en)
GB (2) GB960824A (en)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
BE657227A (en) * 1963-12-19
DE1277789B (en) * 1967-01-13 1968-09-19 Gewerk Eisenhuette Westfalia Hydraulically moving support frame

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR967868A (en) * 1948-06-21 1950-11-14 Mavor & Coulson Ltd Further training in mine ceiling props
GB766537A (en) * 1953-02-25 1957-01-23 Coal Industry Patents Ltd Improvements in mine roof supports
BE545472A (en) * 1955-02-23
US2859022A (en) * 1955-04-04 1958-11-04 Dowty Mining Equipment Ltd Hydraulic roof supports and conveyor feed jacks
FR1153880A (en) * 1955-04-04 1958-03-28 Dowty Mining Equipment Ltd Installation and hydraulic support for mines
DE1028516B (en) * 1955-07-22 1958-04-24 Arnold Haarmann Dr Ing Wandering pit construction for mining operations
AT197311B (en) * 1956-01-27 1958-04-25 Gewerkschaft Eisenhuette Westfalia
FR1148920A (en) * 1956-03-21 1957-12-18 Automatic activation control of one or more self-propelled props
FR1179380A (en) * 1956-06-18 1959-05-22 Gewerk Eisenhuette Westfalia Mobile support for mining operations

Also Published As

Publication number Publication date
DE1142569B (en) 1963-01-24
GB960824A (en) 1964-06-17

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