GB8507822D0 - Excavating equipment - Google Patents

Excavating equipment

Info

Publication number
GB8507822D0
GB8507822D0 GB858507822A GB8507822A GB8507822D0 GB 8507822 D0 GB8507822 D0 GB 8507822D0 GB 858507822 A GB858507822 A GB 858507822A GB 8507822 A GB8507822 A GB 8507822A GB 8507822 D0 GB8507822 D0 GB 8507822D0
Authority
GB
United Kingdom
Prior art keywords
excavating equipment
excavating
equipment
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.)
Withdrawn
Application number
GB858507822A
Other versions
GB2172918A (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.)
Coal Industry Patents Ltd
Original Assignee
Coal Industry Patents 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 Coal Industry Patents Ltd filed Critical Coal Industry Patents Ltd
Priority to GB08507822A priority Critical patent/GB2172918A/en
Publication of GB8507822D0 publication Critical patent/GB8507822D0/en
Publication of GB2172918A publication Critical patent/GB2172918A/en
Withdrawn legal-status Critical Current

Links

Classifications

    • E—FIXED CONSTRUCTIONS
    • E21—EARTH OR ROCK DRILLING; MINING
    • E21D—SHAFTS; TUNNELS; GALLERIES; LARGE UNDERGROUND CHAMBERS
    • E21D9/00—Tunnels or galleries, with or without linings; Methods or apparatus for making thereof; Layout of tunnels or galleries
    • E21D9/06—Making by using a driving shield, i.e. advanced by pushing means bearing against the already placed lining
    • E21D9/08—Making by using a driving shield, i.e. advanced by pushing means bearing against the already placed lining with additional boring or cutting means other than the conventional cutting edge of the shield
    • E21D9/0875—Making by using a driving shield, i.e. advanced by pushing means bearing against the already placed lining with additional boring or cutting means other than the conventional cutting edge of the shield with a movable support arm carrying cutting tools for attacking the front face, e.g. a bucket

Landscapes

  • Engineering & Computer Science (AREA)
  • Mining & Mineral Resources (AREA)
  • Environmental & Geological Engineering (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Geochemistry & Mineralogy (AREA)
  • Geology (AREA)
  • Excavating Of Shafts Or Tunnels (AREA)
GB08507822A 1985-03-26 1985-03-26 Excavating equipment Withdrawn GB2172918A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB08507822A GB2172918A (en) 1985-03-26 1985-03-26 Excavating equipment

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB08507822A GB2172918A (en) 1985-03-26 1985-03-26 Excavating equipment

Publications (2)

Publication Number Publication Date
GB8507822D0 true GB8507822D0 (en) 1985-05-01
GB2172918A GB2172918A (en) 1986-10-01

Family

ID=10576653

Family Applications (1)

Application Number Title Priority Date Filing Date
GB08507822A Withdrawn GB2172918A (en) 1985-03-26 1985-03-26 Excavating equipment

Country Status (1)

Country Link
GB (1) GB2172918A (en)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102305083A (en) * 2011-08-01 2012-01-04 北京市三一重机有限公司 Shield machine and anterior shield system thereof
CN105649640B (en) * 2016-02-01 2017-12-08 中铁十六局集团北京轨道交通工程建设有限公司 A kind of construction method for preventing shield roof fall in construction

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2554107C2 (en) * 1975-12-02 1984-01-05 Gewerkschaft Eisenhütte Westfalia, 4670 Lünen Extension unit serving as a protective support for a tunneling machine
GB1532875A (en) * 1976-06-22 1978-11-22 Coal Ind Underground roadway support equipment
GB1596736A (en) * 1978-05-31 1981-08-26 Dobson Park Ind Mining machine

Also Published As

Publication number Publication date
GB2172918A (en) 1986-10-01

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Legal Events

Date Code Title Description
WAP Application withdrawn, taken to be withdrawn or refused ** after publication under section 16(1)