CA894108A - Tunnelling machines - Google Patents

Tunnelling machines

Info

Publication number
CA894108A
CA894108A CA894108A CA894108DA CA894108A CA 894108 A CA894108 A CA 894108A CA 894108 A CA894108 A CA 894108A CA 894108D A CA894108D A CA 894108DA CA 894108 A CA894108 A CA 894108A
Authority
CA
Canada
Prior art keywords
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
CA894108A
Inventor
J. Cox Allan
P. Burgess Roy
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.)
Edmund Nuttall Sons and Co London Ltd
Original Assignee
Edmund Nuttall Sons and Co London Ltd
Publication date
Application granted granted Critical
Publication of CA894108A publication Critical patent/CA894108A/en
Expired legal-status Critical Current

Links

CA894108A Tunnelling machines Expired CA894108A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CA894108T

Publications (1)

Publication Number Publication Date
CA894108A true CA894108A (en) 1972-02-29

Family

ID=36400132

Family Applications (1)

Application Number Title Priority Date Filing Date
CA894108A Expired CA894108A (en) Tunnelling machines

Country Status (1)

Country Link
CA (1) CA894108A (en)

Similar Documents

Publication Publication Date Title
CA1005973A (en) Ride-type surface-working machines
CA985513A (en) Assembly machine
AU462420B2 (en) Corrugation-forming machines
CA982615A (en) Tunnelling apparatus
CA999016A (en) Tunnelling machines
CA999885A (en) Tunnelling machines
CA947775A (en) Tunneling machine
CA999845A (en) Upward tunneling
CA970785A (en) Mining machine
AU474610B2 (en) Excavating machine
CA978898A (en) Labelling machines
CA985268A (en) Rock-drilling machine
SU570685A1 (en) Drilling machine
CA894108A (en) Tunnelling machines
CA917683A (en) Tunnelling machines
CA901436A (en) Bale-shredding machine
CA999882A (en) Tunnelling machines
CA904364A (en) Mining machines
AU463203B2 (en) Mining machine
AU478789B2 (en) Mining machine
CA899467A (en) Grid-welding machines
CA895849A (en) Material-treatment machines
CA904934A (en) Copier-duplicator machine
CA893471A (en) Ballast-tamping machine
AU449699B2 (en) Edge-roll machine