GB1228266A - - Google Patents

Info

Publication number
GB1228266A
GB1228266A GB1228266DA GB1228266A GB 1228266 A GB1228266 A GB 1228266A GB 1228266D A GB1228266D A GB 1228266DA GB 1228266 A GB1228266 A GB 1228266A
Authority
GB
United Kingdom
Prior art keywords
cutters
shaft
shafts
july
machine
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
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 GB1228266A publication Critical patent/GB1228266A/en
Expired 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
    • E21D9/10—Making by using boring or cutting machines
    • E21D9/11—Making by using boring or cutting machines with a rotary drilling-head cutting simultaneously the whole cross-section, i.e. full-face machines
    • E21D9/111—Making by using boring or cutting machines with a rotary drilling-head cutting simultaneously the whole cross-section, i.e. full-face machines by means of heads or tool-carrying sectors implementing an oscillating rotary motion

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)
GB1228266D 1968-07-10 1969-07-10 Expired GB1228266A (enExample)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US73479868A 1968-07-10 1968-07-10

Publications (1)

Publication Number Publication Date
GB1228266A true GB1228266A (enExample) 1971-04-15

Family

ID=24953113

Family Applications (1)

Application Number Title Priority Date Filing Date
GB1228266D Expired GB1228266A (enExample) 1968-07-10 1969-07-10

Country Status (1)

Country Link
GB (1) GB1228266A (enExample)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN112253153A (zh) * 2020-11-19 2021-01-22 中铁工程装备集团有限公司 一种超大断面隧道掘进主机及盾构机

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN112253153A (zh) * 2020-11-19 2021-01-22 中铁工程装备集团有限公司 一种超大断面隧道掘进主机及盾构机

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Legal Events

Date Code Title Description
PS Patent sealed
PLNP Patent lapsed through nonpayment of renewal fees