GB1487702A - Shield roof supports - Google Patents

Shield roof supports

Info

Publication number
GB1487702A
GB1487702A GB5675A GB5675A GB1487702A GB 1487702 A GB1487702 A GB 1487702A GB 5675 A GB5675 A GB 5675A GB 5675 A GB5675 A GB 5675A GB 1487702 A GB1487702 A GB 1487702A
Authority
GB
United Kingdom
Prior art keywords
roof
shield
roof bar
bar
jan
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
GB5675A
Other languages
English (en)
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 GB1487702A publication Critical patent/GB1487702A/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

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)
  • Lining And Supports For Tunnels (AREA)
  • Tents Or Canopies (AREA)
GB5675A 1974-01-03 1975-01-02 Shield roof supports Expired GB1487702A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE19742400136 DE2400136A1 (de) 1974-01-03 1974-01-03 Schildausbaugestell

Publications (1)

Publication Number Publication Date
GB1487702A true GB1487702A (en) 1977-10-05

Family

ID=5904060

Family Applications (1)

Application Number Title Priority Date Filing Date
GB5675A Expired GB1487702A (en) 1974-01-03 1975-01-02 Shield roof supports

Country Status (4)

Country Link
BE (1) BE823900A (enExample)
DE (1) DE2400136A1 (enExample)
FR (1) FR2257011B1 (enExample)
GB (1) GB1487702A (enExample)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2215763A (en) * 1988-02-11 1989-09-27 Gyorgy Szentai Mine supports
CN105134271A (zh) * 2015-08-04 2015-12-09 山西晋城无烟煤矿业集团有限责任公司 综采工作面两端头过超高段液压支护装置
CN117722739A (zh) * 2024-02-18 2024-03-19 北京君腾达制冷技术有限公司 一种双制冷冷热风机组

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2608011B2 (de) * 1976-02-27 1978-09-07 Emka Ingenieurgesellschaft Fuer Bauwerksdurchpressungen Mbh, 2000 Hamburg Vorgefertigter Baukörper, insbes. Tunnelbaukörper
DE2657955C3 (de) * 1976-12-21 1985-08-08 Klöckner-Becorit GmbH, 4620 Castrop-Rauxel Schildausbaugestell
DE2840835C2 (de) * 1978-09-20 1986-03-06 Klöckner-Becorit GmbH, 4620 Castrop-Rauxel Schildausbaugestell für untertägige Strebbetriebe
AT360936B (de) * 1979-02-14 1981-02-10 Voest Alpine Ag Ausbaubock
CN105909291B (zh) * 2016-06-12 2018-03-13 山东鼎安检测技术有限公司 大采高三角形液压支架

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2215763A (en) * 1988-02-11 1989-09-27 Gyorgy Szentai Mine supports
GB2215763B (en) * 1988-02-11 1992-04-01 Gyorgy Szentai Mine supports
CN105134271A (zh) * 2015-08-04 2015-12-09 山西晋城无烟煤矿业集团有限责任公司 综采工作面两端头过超高段液压支护装置
CN105134271B (zh) * 2015-08-04 2017-06-16 山西晋城无烟煤矿业集团有限责任公司 综采工作面两端头过超高段液压支护装置
CN117722739A (zh) * 2024-02-18 2024-03-19 北京君腾达制冷技术有限公司 一种双制冷冷热风机组
CN117722739B (zh) * 2024-02-18 2024-05-03 北京君腾达制冷技术有限公司 一种双制冷冷热风机组

Also Published As

Publication number Publication date
DE2400136A1 (de) 1975-07-17
AU7710075A (en) 1976-07-08
FR2257011B1 (enExample) 1982-09-10
BE823900A (fr) 1975-04-16
FR2257011A1 (enExample) 1975-08-01

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Legal Events

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