GB1554221A - Mechanical full face rotary tunnel boring shields - Google Patents

Mechanical full face rotary tunnel boring shields

Info

Publication number
GB1554221A
GB1554221A GB11371/76A GB1137176A GB1554221A GB 1554221 A GB1554221 A GB 1554221A GB 11371/76 A GB11371/76 A GB 11371/76A GB 1137176 A GB1137176 A GB 1137176A GB 1554221 A GB1554221 A GB 1554221A
Authority
GB
United Kingdom
Prior art keywords
shields
full face
tunnel boring
face rotary
mechanical full
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
GB11371/76A
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.)
Marcon International Ltd
Original Assignee
Marcon International 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 Marcon International Ltd filed Critical Marcon International Ltd
Priority to GB11371/76A priority Critical patent/GB1554221A/en
Priority to BR1658/77A priority patent/BR7701658A/pt
Priority to JP3050077A priority patent/JPS52138331A/ja
Publication of GB1554221A publication Critical patent/GB1554221A/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
    • E21D9/06—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
    • E21D9/0879—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 the shield being provided with devices for lining the tunnel, e.g. shuttering

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)
GB11371/76A 1976-03-22 1976-03-22 Mechanical full face rotary tunnel boring shields Expired GB1554221A (en)

Priority Applications (3)

Application Number Priority Date Filing Date Title
GB11371/76A GB1554221A (en) 1976-03-22 1976-03-22 Mechanical full face rotary tunnel boring shields
BR1658/77A BR7701658A (pt) 1976-03-22 1977-03-18 Aperfeicoamentos em/ou relativos e ascudos mecanicos giratorios de perfuracao de tuneis e metodo de sua utilizacao
JP3050077A JPS52138331A (en) 1976-03-22 1977-03-22 Shield shell for tunnel and tunnel excavation method that use this shell

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB11371/76A GB1554221A (en) 1976-03-22 1976-03-22 Mechanical full face rotary tunnel boring shields

Publications (1)

Publication Number Publication Date
GB1554221A true GB1554221A (en) 1979-10-17

Family

ID=9985017

Family Applications (1)

Application Number Title Priority Date Filing Date
GB11371/76A Expired GB1554221A (en) 1976-03-22 1976-03-22 Mechanical full face rotary tunnel boring shields

Country Status (3)

Country Link
JP (1) JPS52138331A (enExample)
BR (1) BR7701658A (enExample)
GB (1) GB1554221A (enExample)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP7194524B2 (ja) 2018-06-25 2022-12-22 日本酢ビ・ポバール株式会社 コーティング組成物並びに経口固形剤及びその製造方法

Also Published As

Publication number Publication date
BR7701658A (pt) 1978-02-08
JPS52138331A (en) 1977-11-18
JPS569639B2 (enExample) 1981-03-03

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Legal Events

Date Code Title Description
PS Patent sealed
732 Registration of transactions, instruments or events in the register (sect. 32/1977)
PCNP Patent ceased through non-payment of renewal fee