GB2231610B - Mine roof supports - Google Patents

Mine roof supports

Info

Publication number
GB2231610B
GB2231610B GB8911468A GB8911468A GB2231610B GB 2231610 B GB2231610 B GB 2231610B GB 8911468 A GB8911468 A GB 8911468A GB 8911468 A GB8911468 A GB 8911468A GB 2231610 B GB2231610 B GB 2231610B
Authority
GB
United Kingdom
Prior art keywords
mine roof
roof supports
supports
mine
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 - Lifetime
Application number
GB8911468A
Other languages
English (en)
Other versions
GB8911468D0 (en
GB2231610A (en
Inventor
Tom Carl Bithell
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.)
Gullick Dobson Ltd
Original Assignee
Gullick Dobson 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 Gullick Dobson Ltd filed Critical Gullick Dobson Ltd
Priority to GB8911468A priority Critical patent/GB2231610B/en
Publication of GB8911468D0 publication Critical patent/GB8911468D0/en
Priority to US07/521,979 priority patent/US5039257A/en
Priority to IN382MA1990 priority patent/IN177284B/en
Publication of GB2231610A publication Critical patent/GB2231610A/en
Application granted granted Critical
Publication of GB2231610B publication Critical patent/GB2231610B/en
Anticipated expiration legal-status Critical
Expired - Lifetime 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
    • E21D23/04—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
    • E21D23/0436—Means for inclining the base member of the support

Landscapes

  • Engineering & Computer Science (AREA)
  • Mining & Mineral Resources (AREA)
  • Architecture (AREA)
  • Structural Engineering (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Geochemistry & Mineralogy (AREA)
  • Geology (AREA)
  • Conveying And Assembling Of Building Elements In Situ (AREA)
GB8911468A 1989-05-18 1989-05-18 Mine roof supports Expired - Lifetime GB2231610B (en)

Priority Applications (3)

Application Number Priority Date Filing Date Title
GB8911468A GB2231610B (en) 1989-05-18 1989-05-18 Mine roof supports
US07/521,979 US5039257A (en) 1989-05-18 1990-05-11 Mine roof supports
IN382MA1990 IN177284B (OSRAM) 1989-05-18 1990-05-17

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB8911468A GB2231610B (en) 1989-05-18 1989-05-18 Mine roof supports

Publications (3)

Publication Number Publication Date
GB8911468D0 GB8911468D0 (en) 1989-07-05
GB2231610A GB2231610A (en) 1990-11-21
GB2231610B true GB2231610B (en) 1993-01-06

Family

ID=10656985

Family Applications (1)

Application Number Title Priority Date Filing Date
GB8911468A Expired - Lifetime GB2231610B (en) 1989-05-18 1989-05-18 Mine roof supports

Country Status (3)

Country Link
US (1) US5039257A (OSRAM)
GB (1) GB2231610B (OSRAM)
IN (1) IN177284B (OSRAM)

Families Citing this family (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE4041527A1 (de) * 1990-12-22 1992-06-25 Westfalia Becorit Ind Tech Ausbaugestell, insbesondere schildausbaugestell mit schreitwerk und liegendkufen-aushebevorrichtung
DE4110681A1 (de) * 1991-04-03 1992-10-08 Bochumer Eisen Heintzmann Schreitausbaugestell fuer bergbauliche untertagebetriebe
DE4205940A1 (de) * 1992-02-27 1993-09-02 Westfalia Becorit Ind Tech Ausbaugestell mit liegendkufen-aushebevorrichtung
DE4209515C1 (en) * 1992-03-24 1993-08-12 Bochumer Eisenhuette Heintzmann Gmbh & Co Kg, 4630 Bochum, De Walking walling-frame for mine gallery - has walking frame mounting with bridge over piston rod supporting lifting ram for floor skids
DE19633847C1 (de) * 1996-08-22 1997-07-24 Dbt Gmbh Hydraulisches Schreitausbaugestell
UA39517C2 (en) * 2000-09-25 2004-07-15 Do State Scient Res Designing Mechanism of displacement of the sections of fixation and conveyor
RU2219347C2 (ru) * 2000-09-25 2003-12-20 Донецкий государственный научно-исследовательский, проектно-конструкторский и экспериментальный институт комплексной механизации шахт "Донгипроуглемаш" Механизм перемещения секций крепи и конвейера
RU2219346C2 (ru) * 2000-09-25 2003-12-20 Донецкий государственный научно-исследовательский, проектно-конструкторский и экспериментальный институт комплексной механизации шахт-"Донгипроуглемаш" Механизм перемещения секций крепи и конвейера
DE20307907U1 (de) * 2003-05-19 2003-07-17 DBT GmbH, 44534 Lünen Hubzylinderanordnung
US8985699B2 (en) 2013-03-14 2015-03-24 Seneca Industries Inc. Mining methods and equipment
CN105840226B (zh) * 2016-04-29 2018-06-26 平顶山平煤机煤矿机械装备有限公司 一种具有抬底装置的煤矿巷道临时支护液压支架
US11772209B1 (en) * 2022-04-22 2023-10-03 Swanson Industries, Inc. Mining shield base lift apparatuses and methods

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2804864A1 (de) * 1978-02-04 1979-08-09 Ruhrkohle Ag Strebausbaueinheit
DE2806982C2 (de) * 1978-02-18 1986-08-14 Gewerkschaft Eisenhütte Westfalia GmbH, 4670 Lünen Schreitausbau für Blasversatzbetriebe in geneigter Lagerung
DE3000237A1 (de) * 1980-01-05 1981-07-09 Gewerkschaft Eisenhütte Westfalia, 4670 Lünen Einrichtung zur sicherung des kappenanstellzylinders eine schildausbaugestells gegen ueberstreckung
DE3236907A1 (de) * 1982-10-06 1984-04-12 Gewerkschaft Eisenhütte Westfalia, 4670 Lünen Ausbaugestell, insbesondere fuer gewinnungsbetriebe der geneigten lagerung mit schuettversatz
DE3638695A1 (de) * 1986-11-13 1988-05-19 Gewerk Eisenhuette Westfalia Mobiles ausbaugestell
GB2236136B (en) * 1989-09-21 1993-05-26 Dowty Mining Equipment Ltd A mine roof support assembly

Also Published As

Publication number Publication date
GB8911468D0 (en) 1989-07-05
IN177284B (OSRAM) 1996-12-21
GB2231610A (en) 1990-11-21
US5039257A (en) 1991-08-13

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Legal Events

Date Code Title Description
732E Amendments to the register in respect of changes of name or changes affecting rights (sect. 32/1977)
732E Amendments to the register in respect of changes of name or changes affecting rights (sect. 32/1977)
PE20 Patent expired after termination of 20 years

Expiry date: 20090517