GB1381544A - Mine roof support - Google Patents

Mine roof support

Info

Publication number
GB1381544A
GB1381544A GB1037572A GB1037572A GB1381544A GB 1381544 A GB1381544 A GB 1381544A GB 1037572 A GB1037572 A GB 1037572A GB 1037572 A GB1037572 A GB 1037572A GB 1381544 A GB1381544 A GB 1381544A
Authority
GB
United Kingdom
Prior art keywords
mine roof
shield
support
march
roof 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
GB1037572A
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.)
Banyaszati Kutato Intezet
Orszagos Banyagepgyarto Vallalat
BANYASZATI KUTATO INTEZET VARPALOTAI SZENBANYAK
Original Assignee
Banyaszati Kutato Intezet
Orszagos Banyagepgyarto Vallalat
BANYASZATI KUTATO INTEZET VARPALOTAI SZENBANYAK
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 Banyaszati Kutato Intezet, Orszagos Banyagepgyarto Vallalat, BANYASZATI KUTATO INTEZET VARPALOTAI SZENBANYAK filed Critical Banyaszati Kutato Intezet
Publication of GB1381544A publication Critical patent/GB1381544A/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
    • E21D23/03—Mine roof supports for step- by- step movement, e.g. in combination with provisions for shifting of conveyors, mining machines, or guides therefor having protective means, e.g. shields, for preventing or impeding entry of loose material into the working space or support
    • 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
    • E21D23/0039—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 a strut or by a row of struts parallel to the working face

Abstract

1381544 Mine roof supports BANYASZATI KUTATO INTEZET VARPALOTAI SZENBANYAK and ORSZAGOS BANYAGEPGYARTO VALLALAT 6 March 1972 [5 March 1971] 10375/72 Heading E1P In an advancing mine roof support assembly for a longwall face and wherein each support is provided with a canopy A, a waste shield 13 and a breaking shield 1, the resulting gaps between shields of adjacent supports are each covered by L-shaped plates 5. Each plate 5 is urged by spring means into contact with an abutment surface 8 on an adjacent support and is aligned relative to its associated shield by hydraulic alignment cylinders for details of which and mode of operation the Specification and Figs. 3 and 4, (not shown), should also be referred to.
GB1037572A 1971-03-05 1972-03-06 Mine roof support Expired GB1381544A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
HUBA2550A HU162717B (en) 1971-03-05 1971-03-05

Publications (1)

Publication Number Publication Date
GB1381544A true GB1381544A (en) 1975-01-22

Family

ID=10993327

Family Applications (1)

Application Number Title Priority Date Filing Date
GB1037572A Expired GB1381544A (en) 1971-03-05 1972-03-06 Mine roof support

Country Status (12)

Country Link
JP (1) JPS5512520B1 (en)
AT (1) AT318522B (en)
AU (1) AU459296B2 (en)
BE (1) BE780246A (en)
DE (2) DE2210757B2 (en)
ES (1) ES400459A1 (en)
FR (1) FR2128636B1 (en)
GB (1) GB1381544A (en)
HU (1) HU162717B (en)
PL (1) PL75035B1 (en)
YU (1) YU34450B (en)
ZA (1) ZA721304B (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US11008860B2 (en) 2015-06-24 2021-05-18 Manchao He Equipment system for no-roadway no-coal-pillar retained roadway mining method
CN117108331A (en) * 2023-10-23 2023-11-24 山西新龙重工高分子科技有限公司 Unit type hydraulic support

Families Citing this family (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2308424C3 (en) * 1973-02-21 1982-09-16 Hölter, Heinz, Dipl.-Ing., 4390 Gladbeck Dust extraction device for mining operations
DE2319909C2 (en) * 1973-04-19 1982-07-01 Gewerkschaft Eisenhütte Westfalia, 4670 Lünen Shield support frame with support and delay device that can be opened to the side
DE2407227B1 (en) * 1974-02-15 1975-06-05 Bochumer Eisen Heintzmann Hang end cap arrangement for shield support frames
DE2547853C2 (en) * 1975-10-25 1984-04-05 Gewerkschaft Eisenhütte Westfalia, 4670 Lünen Shield support unit
GB1568967A (en) * 1976-02-06 1980-06-11 Dowty Mining Equipment Ltd Mine roof support
DE2808205C2 (en) * 1978-02-25 1985-10-10 Gewerkschaft Eisenhütte Westfalia, 4670 Lünen Hydraulic control for a gap cover arranged on the cap or on the breakage shield of a walking support
DE2832875C2 (en) * 1978-07-27 1985-11-07 Gewerkschaft Eisenhütte Westfalia, 4670 Lünen Hydraulic control for a gap covering and alignment device arranged on one side on the cap or on the fracture shield of an extension member
DE2853050C2 (en) * 1978-12-08 1985-10-03 Gewerkschaft Eisenhütte Westfalia, 4670 Lünen Lateral sealing device for a support frame in underground mining
DE2942269A1 (en) * 1979-10-19 1981-04-30 Gewerkschaft Eisenhütte Westfalia, 4670 Lünen GAP COVERING FOR SCREAMING AND THE LIKE
HU179856B (en) * 1980-05-06 1982-12-28 Varpalotai Szenbanyak Apparatus for nining particularly expolating thick seams
DE3833842C1 (en) * 1988-10-05 1989-08-31 Bochumer Eisenhuette Heintzmann Gmbh & Co Kg, 4630 Bochum, De Powered support assembly
DE4214690C2 (en) * 1992-05-02 1998-09-17 Dbt Gmbh Gap cover for removal frames, in particular shield removal frames

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US11008860B2 (en) 2015-06-24 2021-05-18 Manchao He Equipment system for no-roadway no-coal-pillar retained roadway mining method
CN117108331A (en) * 2023-10-23 2023-11-24 山西新龙重工高分子科技有限公司 Unit type hydraulic support
CN117108331B (en) * 2023-10-23 2024-01-02 山西新龙重工高分子科技有限公司 Unit type hydraulic support

Also Published As

Publication number Publication date
YU52572A (en) 1978-12-31
PL75035B1 (en) 1974-12-31
HU162717B (en) 1973-04-28
YU34450B (en) 1979-07-10
FR2128636A1 (en) 1972-10-20
DE2210757A1 (en) 1972-11-02
AU3964972A (en) 1973-09-13
AU459296B2 (en) 1975-03-05
JPS5512520B1 (en) 1980-04-02
BE780246A (en) 1972-07-03
FR2128636B1 (en) 1981-04-30
DE2210757B2 (en) 1977-10-20
ES400459A1 (en) 1974-12-16
ZA721304B (en) 1973-06-27
DE7208525U (en) 1978-08-24
AT318522B (en) 1974-10-25

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Legal Events

Date Code Title Description
PS Patent sealed
PCNP Patent ceased through non-payment of renewal fee