CA1032358A - Roof bar for face support elements - Google Patents

Roof bar for face support elements

Info

Publication number
CA1032358A
CA1032358A CA254,159A CA254159A CA1032358A CA 1032358 A CA1032358 A CA 1032358A CA 254159 A CA254159 A CA 254159A CA 1032358 A CA1032358 A CA 1032358A
Authority
CA
Canada
Prior art keywords
support elements
face support
roof bar
roof
bar
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
CA254,159A
Other languages
English (en)
French (fr)
Inventor
Walter Lubojatsky
Wilhelm Wertelewski
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.)
Becorit Grubenausbau GmbH
Original Assignee
Becorit Grubenausbau 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 Becorit Grubenausbau GmbH filed Critical Becorit Grubenausbau GmbH
Application granted granted Critical
Publication of CA1032358A publication Critical patent/CA1032358A/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
    • E21D23/0004—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
    • 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
    • E21D23/03—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 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
    • E21D23/06—Special mine caps or special tops of pit-props for permitting step-by-step movement

Landscapes

  • Engineering & Computer Science (AREA)
  • Mining & Mineral Resources (AREA)
  • Geochemistry & Mineralogy (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Geology (AREA)
  • Structural Engineering (AREA)
  • Architecture (AREA)
  • Building Environments (AREA)
  • Sealing Devices (AREA)
  • Excavating Of Shafts Or Tunnels (AREA)
  • Supports For Pipes And Cables (AREA)
  • Pressure Vessels And Lids Thereof (AREA)
  • Specific Sealing Or Ventilating Devices For Doors And Windows (AREA)
CA254,159A 1975-06-05 1976-06-04 Roof bar for face support elements Expired CA1032358A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE2525034A DE2525034C2 (de) 1975-06-05 1975-06-05 Kappe für Strebausbauelemente

Publications (1)

Publication Number Publication Date
CA1032358A true CA1032358A (en) 1978-06-06

Family

ID=5948346

Family Applications (1)

Application Number Title Priority Date Filing Date
CA254,159A Expired CA1032358A (en) 1975-06-05 1976-06-04 Roof bar for face support elements

Country Status (8)

Country Link
US (1) US4092831A (cs)
AU (1) AU496767B2 (cs)
CA (1) CA1032358A (cs)
DE (1) DE2525034C2 (cs)
GB (1) GB1513491A (cs)
PL (1) PL109393B1 (cs)
SU (1) SU671744A3 (cs)
ZA (1) ZA762926B (cs)

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4432673A (en) * 1981-04-25 1984-02-21 Dowty Mining Equipment Limited Mine roof support
AT388971B (de) * 1986-01-22 1989-09-25 Voest Alpine Ag Auf raupen verfahrbarer abstuetzbock
GB8722095D0 (en) * 1987-09-19 1987-10-28 Dowty Mining Equipment Ltd Mounting ancillary equipment
DE19953526B4 (de) * 1999-11-05 2008-05-29 Dbt Gmbh Ausbaugestell für große Flözmächtigkeiten mit einer gesteuerten Spaltabdichtung
CN100432373C (zh) * 2005-04-06 2008-11-12 李泽宇 一种并列顶梁之间的连接装置
CN102472102B (zh) * 2009-07-10 2015-03-11 乔伊·姆·特拉华公司 长壁开采顶板支撑件
AU2014271301B2 (en) * 2009-07-10 2016-03-17 Joy Global Underground Mining Llc Longwall Mining Roof Supports

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1302918C2 (de) * 1965-10-02 1975-04-24 Gewerkschaft Eisenhütte Westfalia, 4628 Altlünen Wandernder strebausbau
DE2128023B2 (de) * 1971-06-05 1974-04-18 Kloeckner-Werke Ag, 4100 Duisburg Wandernder Strebausbau mit nebeneinander angeordneten Ausbauschilden
US3728863A (en) * 1971-09-14 1973-04-24 Gewerk Eisenhuette Westfalia Mine roof support assemblies
US3837170A (en) * 1972-03-06 1974-09-24 Banyaszati Kutato Intezet Sealing and position rectifying mechanism for shield supports
DE2319909C2 (de) * 1973-04-19 1982-07-01 Gewerkschaft Eisenhütte Westfalia, 4670 Lünen Schildausbaugestell mit seitlich ausstellbarer Abstütz- und Verzugseinrichtung
DE2325480C2 (de) * 1973-05-19 1974-12-05 Becorit Grubenausbau Gmbh, 4350 Recklinghausen Ausbaugestell für den Strebausbau im untertägigen Grubenbetrieb

Also Published As

Publication number Publication date
US4092831A (en) 1978-06-06
PL109393B1 (en) 1980-05-31
ZA762926B (en) 1977-04-27
DE2525034C2 (de) 1981-01-08
DE2525034B1 (de) 1976-09-02
GB1513491A (en) 1978-06-07
AU1446776A (en) 1977-12-08
SU671744A3 (ru) 1979-06-30
DE2525034A1 (cs) 1976-09-02
AU496767B2 (en) 1978-10-26

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