AU463641B2 - An expandible and contractible shield to support the roof ofa tunnel or mine road - Google Patents

An expandible and contractible shield to support the roof ofa tunnel or mine road

Info

Publication number
AU463641B2
AU463641B2 AU63650/73A AU6365073A AU463641B2 AU 463641 B2 AU463641 B2 AU 463641B2 AU 63650/73 A AU63650/73 A AU 63650/73A AU 6365073 A AU6365073 A AU 6365073A AU 463641 B2 AU463641 B2 AU 463641B2
Authority
AU
Australia
Prior art keywords
expandible
tunnel
support
mine road
ofa
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
AU63650/73A
Other languages
English (en)
Other versions
AU6365073A (en
Inventor
Fujimori Masao
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.)
Taiheiyo Coal Mining Co Ltd
Original Assignee
Taiheiyo Coal Mining Co 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 Taiheiyo Coal Mining Co Ltd filed Critical Taiheiyo Coal Mining Co Ltd
Publication of AU6365073A publication Critical patent/AU6365073A/en
Application granted granted Critical
Publication of AU463641B2 publication Critical patent/AU463641B2/en
Expired legal-status Critical Current

Links

Classifications

    • E—FIXED CONSTRUCTIONS
    • E21—EARTH OR ROCK DRILLING; MINING
    • E21D—SHAFTS; TUNNELS; GALLERIES; LARGE UNDERGROUND CHAMBERS
    • E21D19/00—Provisional protective covers for working space
    • E21D19/04—Provisional protective covers for working space for use in drifting galleries

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)
  • Toys (AREA)
  • Bridges Or Land Bridges (AREA)
  • Excavating Of Shafts Or Tunnels (AREA)
AU63650/73A 1972-12-18 1973-12-14 An expandible and contractible shield to support the roof ofa tunnel or mine road Expired AU463641B2 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP47126267A JPS4983228A (enrdf_load_stackoverflow) 1972-12-18 1972-12-18
JPJP47-12626 1972-12-18

Publications (2)

Publication Number Publication Date
AU6365073A AU6365073A (en) 1975-06-19
AU463641B2 true AU463641B2 (en) 1975-07-31

Family

ID=14930943

Family Applications (1)

Application Number Title Priority Date Filing Date
AU63650/73A Expired AU463641B2 (en) 1972-12-18 1973-12-14 An expandible and contractible shield to support the roof ofa tunnel or mine road

Country Status (5)

Country Link
JP (1) JPS4983228A (enrdf_load_stackoverflow)
AU (1) AU463641B2 (enrdf_load_stackoverflow)
CA (1) CA985056A (enrdf_load_stackoverflow)
DE (1) DE2361235B2 (enrdf_load_stackoverflow)
GB (1) GB1439546A (enrdf_load_stackoverflow)

Families Citing this family (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2461095A1 (fr) * 1979-07-06 1981-01-30 Charbonnages De France Portique de soutenement continu glissant a grande ouverture de passage et chapeau glissant
JPH0781518B2 (ja) * 1988-06-22 1995-08-30 戸田建設株式会社 トンネル覆工方法及びその装置
JPH089280Y2 (ja) * 1992-01-09 1996-03-13 株式会社新菱製作所 セグメント搬送装置
DE102007035848C5 (de) 2007-07-31 2018-11-15 Marco Systemanalyse Und Entwicklung Gmbh Ausbauschild und Verfahren zur Steuerung oder Positionsbestimmung eines Ausbauschildes
AU2013323081B2 (en) 2012-09-27 2017-08-31 Centre For Excellence In Mining Innovation Drill and blast method and apparatus for the same
CN113250719B (zh) * 2021-05-28 2024-10-22 武汉市汉阳市政建设集团有限公司 一种盾构下穿铁路施工用支撑装置
CN115853556B (zh) * 2022-12-01 2025-08-26 内蒙古上海庙矿业有限责任公司 一种富水软岩巷道用具有纠偏功能的支护装置
CN116517597A (zh) * 2023-04-27 2023-08-01 涪特智能装备（重庆）有限公司 一种隧道施工安全作业方法、防护罩及网片托架
CN119914324B (zh) * 2025-04-07 2025-07-18 湖北省水文地质工程地质勘察院有限公司 一种隧道施工防坍塌支护装置

Also Published As

Publication number Publication date
JPS4983228A (enrdf_load_stackoverflow) 1974-08-10
CA985056A (en) 1976-03-09
GB1439546A (en) 1976-06-16
DE2361235A1 (de) 1974-07-04
DE2361235B2 (de) 1976-01-08
AU6365073A (en) 1975-06-19

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