CA673496A - Rotary head tunneling machine - Google Patents

Rotary head tunneling machine

Info

Publication number
CA673496A
CA673496A CA673496A CA673496DA CA673496A CA 673496 A CA673496 A CA 673496A CA 673496 A CA673496 A CA 673496A CA 673496D A CA673496D A CA 673496DA CA 673496 A CA673496 A CA 673496A
Authority
CA
Canada
Prior art keywords
rotary head
tunneling machine
head tunneling
machine
rotary
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
CA673496A
Inventor
S. Robbins James
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.)
Goodman Manufacturing Co LP
Original Assignee
Goodman Manufacturing Co LP
Publication date
Application granted granted Critical
Publication of CA673496A publication Critical patent/CA673496A/en
Expired legal-status Critical Current

Links

CA673496A Rotary head tunneling machine Expired CA673496A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CA673496T

Publications (1)

Publication Number Publication Date
CA673496A true CA673496A (en) 1963-11-05

Family

ID=35973856

Family Applications (1)

Application Number Title Priority Date Filing Date
CA673496A Expired CA673496A (en) Rotary head tunneling machine

Country Status (1)

Country Link
CA (1) CA673496A (en)

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