发明授权
US3788087A Method and apparatus for use in tunnelling 失效
用于隧道掘进的方法和装置

  • 专利标题: Method and apparatus for use in tunnelling
  • 专利标题(中): 用于隧道掘进的方法和装置
  • 申请号: US3788087D
    申请日: 1972-04-25
  • 公开(公告)号: US3788087A
    公开(公告)日: 1974-01-29
  • 发明人: PATIN P
  • 申请人: PATIN PIERRE
  • 专利权人: Patin Pierre
  • 当前专利权人: Patin Pierre
  • 优先权: US24736372 1972-04-25
  • 主分类号: E21D11/06
  • IPC分类号: E21D11/06 E21D11/10 E21D19/04
Method and apparatus for use in tunnelling
摘要:
During tunnelling the terrain is supported by an annular fluid mass under pressure moved either continuously or stepwise. A lining compound is introduced outside the fluid mass and sets to form a tube. The tube may then be internally coated.
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