AU6963974A - Tunneling machine - Google Patents

Tunneling machine

Info

Publication number
AU6963974A
AU6963974A AU69639/74A AU6963974A AU6963974A AU 6963974 A AU6963974 A AU 6963974A AU 69639/74 A AU69639/74 A AU 69639/74A AU 6963974 A AU6963974 A AU 6963974A AU 6963974 A AU6963974 A AU 6963974A
Authority
AU
Australia
Prior art keywords
tunneling machine
tunneling
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
AU69639/74A
Other versions
AU484186B2 (en
Inventor
B. Sugden David
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.)
Robbins Co
Original Assignee
Robbins Co
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 Robbins Co filed Critical Robbins Co
Application granted granted Critical
Publication of AU484186B2 publication Critical patent/AU484186B2/en
Publication of AU6963974A publication Critical patent/AU6963974A/en
Expired legal-status Critical Current

Links

Classifications

    • E—FIXED CONSTRUCTIONS
    • E21—EARTH 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
AU69639/74A 1973-06-27 1974-05-31 Tunneling machine Expired AU484186B2 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
USUS374075 1973-06-27
US00374075A US3840271A (en) 1973-06-27 1973-06-27 Tunneling machine having swinging arms carrying cutter discs

Publications (2)

Publication Number Publication Date
AU484186B2 AU484186B2 (en) 1975-12-04
AU6963974A true AU6963974A (en) 1975-12-04

Family

ID=

Also Published As

Publication number Publication date
US3840271A (en) 1974-10-08
ZA743338B (en) 1975-05-28

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