GB1375894A - - Google Patents

Info

Publication number
GB1375894A
GB1375894A GB2561672A GB2561672A GB1375894A GB 1375894 A GB1375894 A GB 1375894A GB 2561672 A GB2561672 A GB 2561672A GB 2561672 A GB2561672 A GB 2561672A GB 1375894 A GB1375894 A GB 1375894A
Authority
GB
United Kingdom
Prior art keywords
shield
shields
support
coving
sills
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
GB2561672A
Other languages
English (en)
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 filed Critical
Publication of GB1375894A publication Critical patent/GB1375894A/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
    • E21D23/04—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
    • E21D23/0445—Extensions of the base member supporting the conveyor
    • 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
    • E21D23/0039—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

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)
  • Architecture (AREA)
  • Structural Engineering (AREA)
  • Specific Sealing Or Ventilating Devices For Doors And Windows (AREA)
  • Excavating Of Shafts Or Tunnels (AREA)
  • Lining And Supports For Tunnels (AREA)
GB2561672A 1971-06-05 1972-06-01 Expired GB1375894A (enrdf_load_stackoverflow)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE2128023A DE2128023B2 (de) 1971-06-05 1971-06-05 Wandernder Strebausbau mit nebeneinander angeordneten Ausbauschilden

Publications (1)

Publication Number Publication Date
GB1375894A true GB1375894A (enrdf_load_stackoverflow) 1974-11-27

Family

ID=5809963

Family Applications (1)

Application Number Title Priority Date Filing Date
GB2561672A Expired GB1375894A (enrdf_load_stackoverflow) 1971-06-05 1972-06-01

Country Status (4)

Country Link
US (1) US3739586A (enrdf_load_stackoverflow)
DE (1) DE2128023B2 (enrdf_load_stackoverflow)
FR (1) FR2140421B1 (enrdf_load_stackoverflow)
GB (1) GB1375894A (enrdf_load_stackoverflow)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2185515A (en) * 1986-01-22 1987-07-22 Voest Alpine Ag Tracked mine roof support

Families Citing this family (17)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2257828C2 (de) * 1972-11-25 1974-01-17 Bochumer Eisenhuette Heintzmann & Co, 4630 Bochum Vorrichtung zum schildartigen Ausbau von untertägigen Gewinnungsbetrieben
DE2319909C2 (de) * 1973-04-19 1982-07-01 Gewerkschaft Eisenhütte Westfalia, 4670 Lünen Schildausbaugestell mit seitlich ausstellbarer Abstütz- und Verzugseinrichtung
GB1504883A (en) * 1974-06-04 1978-03-22 Gullick Dobson Ltd Mine roof supports
GB1486906A (en) * 1974-09-07 1977-09-28 Peake C Mining apparatus
GB1516637A (en) * 1974-11-23 1978-07-05 Gullick Dobson Ltd Mine roof supports
DE2516394A1 (de) * 1975-04-15 1976-10-28 Bochumer Eisen Heintzmann Schildausbaugestell
DE2525034C2 (de) * 1975-06-05 1981-01-08 Becorit Grubenausbau Gmbh, 4350 Recklinghausen Kappe für Strebausbauelemente
DE2601001A1 (de) * 1976-01-13 1977-07-14 Johannes Winkler Rueckbarer strebausbau mit fuehrungsvorrichtung insbesondere fuer geneigte lagerung
ZA762055B (en) * 1976-04-08 1977-05-25 Dowty Mining Equipment Ltd Mine roorf support
DE2853050C2 (de) * 1978-12-08 1985-10-03 Gewerkschaft Eisenhütte Westfalia, 4670 Lünen Seitliche Abdichtungsvorrichtung für einen Ausbaurahmen im untertägigen Bergbau
DE3140924C2 (de) * 1981-10-15 1985-07-18 Bochumer Eisenhütte Heintzmann GmbH & Co KG, 4630 Bochum Strebausbaugestell
DE19953526B4 (de) * 1999-11-05 2008-05-29 Dbt Gmbh Ausbaugestell für große Flözmächtigkeiten mit einer gesteuerten Spaltabdichtung
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
CN102182485A (zh) * 2011-03-17 2011-09-14 兖州煤业股份有限公司 悬臂式掘进机机载超前支护装置
CN105221174A (zh) * 2015-10-08 2016-01-06 山西晋城无烟煤矿业集团有限责任公司 过冒落段支护方法
CN106703855A (zh) * 2016-12-22 2017-05-24 淮南矿业(集团)有限责任公司 一种可折叠、可伸展的超前支护
CN106761872B (zh) * 2016-12-22 2019-05-31 淮南矿业(集团)有限责任公司 一种可升降、折叠、伸展的机载超前支护装置

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CA832741A (en) * 1970-01-27 Vasilievich Martynov Boris Mechanized hydraulic timbering
US2910282A (en) * 1957-07-15 1959-10-27 Dowty Mining Equipment Ltd Mine roof support devices
DE1236451B (de) * 1963-12-21 1967-03-16 Karl Maria Groetschel Dipl Ing Zwischen zwei benachbarte Ausbaueinheiten einsetzbares Leitorgan
US3570255A (en) * 1968-06-10 1971-03-16 Mastabar Mining Equipment Co L Mine roof support
DE1948280A1 (de) * 1969-09-24 1971-04-01 Krampe & Co Verzug fuer den wandernden Strebausbau

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2185515A (en) * 1986-01-22 1987-07-22 Voest Alpine Ag Tracked mine roof support

Also Published As

Publication number Publication date
FR2140421A1 (enrdf_load_stackoverflow) 1973-01-19
DE2128023B2 (de) 1974-04-18
FR2140421B1 (enrdf_load_stackoverflow) 1980-04-18
US3739586A (en) 1973-06-19
DE2128023A1 (de) 1972-12-14

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Legal Events

Date Code Title Description
PS Patent sealed [section 19, patents act 1949]
PCNP Patent ceased through non-payment of renewal fee