AU489329B2 - Improvements in or relating to tunnelling machines - Google Patents

Improvements in or relating to tunnelling machines

Info

Publication number
AU489329B2
AU489329B2 AU67861/74A AU6786174A AU489329B2 AU 489329 B2 AU489329 B2 AU 489329B2 AU 67861/74 A AU67861/74 A AU 67861/74A AU 6786174 A AU6786174 A AU 6786174A AU 489329 B2 AU489329 B2 AU 489329B2
Authority
AU
Australia
Prior art keywords
relating
tunnelling machines
tunnelling
machines
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
AU67861/74A
Other versions
AU6786174A (en
Inventor
DUNCAN PIER LE and JOHN BLAND NORMAN
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.)
Sir McAlpine Robert and Sons Ltd
Original Assignee
Sir McAlpine Robert and Sons 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
Priority claimed from GB1825373A external-priority patent/GB1469752A/en
Application filed by Sir McAlpine Robert and Sons Ltd filed Critical Sir McAlpine Robert and Sons Ltd
Application granted granted Critical
Publication of AU6786174A publication Critical patent/AU6786174A/en
Publication of AU489329B2 publication Critical patent/AU489329B2/en
Expired legal-status Critical Current

Links

AU67861/74A 1973-04-16 1974-04-11 Improvements in or relating to tunnelling machines Expired AU489329B2 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
GBGB18253/73 1973-04-16
GB1825373A GB1469752A (en) 1973-04-16 1973-04-16 Tunnelling machines

Publications (2)

Publication Number Publication Date
AU6786174A AU6786174A (en) 1975-10-16
AU489329B2 true AU489329B2 (en) 1975-10-16

Family

ID=

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