CA110460A - Rotary tunnelling machine - Google Patents

Rotary tunnelling machine

Info

Publication number
CA110460A
CA110460A CA000110460A CA110460DA CA110460A CA 110460 A CA110460 A CA 110460A CA 000110460 A CA000110460 A CA 000110460A CA 110460D A CA110460D A CA 110460DA CA 110460 A CA110460 A CA 110460A
Authority
CA
Canada
Prior art keywords
rotary
tunnelling machine
tunnelling
machine
rotary tunnelling
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
CA000110460A
Other languages
French (fr)
Inventor
Russell B. Sigafoos
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.)
Individual
Original Assignee
Individual
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 Individual filed Critical Individual
Application granted granted Critical
Publication of CA110460A publication Critical patent/CA110460A/en
Expired legal-status Critical Current

Links

CA000110460A 1907-08-28 1907-08-28 Rotary tunnelling machine Expired CA110460A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CA110460T 1907-08-28

Publications (1)

Publication Number Publication Date
CA110460A true CA110460A (en) 1908-02-25

Family

ID=45230185

Family Applications (1)

Application Number Title Priority Date Filing Date
CA000110460A Expired CA110460A (en) 1907-08-28 1907-08-28 Rotary tunnelling machine

Country Status (1)

Country Link
CA (1) CA110460A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4762188A (en) * 1987-02-09 1988-08-09 Roger Masse Drill bit

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4762188A (en) * 1987-02-09 1988-08-09 Roger Masse Drill bit

Similar Documents

Publication Publication Date Title
CA110460A (en) Rotary tunnelling machine
CA119389A (en) Rotary tunnelling machine
CA110953A (en) Mining machine
CA131310A (en) Pounding-up machine
CA107040A (en) Rotary enigne
CA110625A (en) Boring machine
CA107947A (en) Drilling machine
CA113436A (en) Rotary machine
CA113313A (en) Percussive machine
CA108177A (en) Rotary printing machine
CA102167A (en) Rotary machine
CA110681A (en) Rotary machine
CA111580A (en) Cynamo-electric machine
CA115048A (en) Seamint machine
CA119858A (en) Dyno-electric machine
CA141646A (en) Lasating machine
CA124284A (en) Tunnelling machine
CA124594A (en) Tunnelling machine
CA127124A (en) Tunnelling machine
CA109631A (en) Adding machine
CA109810A (en) Adding machine
CA110117A (en) Adding machine
CA110929A (en) Adding machine
CA111480A (en) Adding machine
CA111481A (en) Adding machine