CA70729A - Mecanisme pour barres a mines - Google Patents

Mecanisme pour barres a mines

Info

Publication number
CA70729A
CA70729A CA000070729A CA70729DA CA70729A CA 70729 A CA70729 A CA 70729A CA 000070729 A CA000070729 A CA 000070729A CA 70729D A CA70729D A CA 70729DA CA 70729 A CA70729 A CA 70729A
Authority
CA
Canada
Prior art keywords
rock drill
drill mechanism
rock
drill
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
CA000070729A
Other languages
English (en)
Inventor
Lafayette Durkee
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.)
Mine and Smelter Supply Co
Original Assignee
Mine and Smelter Supply 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 Mine and Smelter Supply Co filed Critical Mine and Smelter Supply Co
Application granted granted Critical
Publication of CA70729A publication Critical patent/CA70729A/fr
Expired legal-status Critical Current

Links

CA000070729A 1901-03-06 1901-03-06 Mecanisme pour barres a mines Expired CA70729A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CA70729T 1901-03-06

Publications (1)

Publication Number Publication Date
CA70729A true CA70729A (fr) 1901-03-26

Family

ID=45187266

Family Applications (1)

Application Number Title Priority Date Filing Date
CA000070729A Expired CA70729A (fr) 1901-03-06 1901-03-06 Mecanisme pour barres a mines

Country Status (1)

Country Link
CA (1) CA70729A (fr)

Similar Documents

Publication Publication Date Title
CA70729A (fr) Mecanisme pour barres a mines
CA74431A (fr) Foret a mine
CA70182A (fr) Barre a mine
CA70442A (fr) Barre a mine
CA70848A (fr) Barre a mine
CA70911A (fr) Foret a mine
CA71106A (fr) Barre a mine
CA71107A (fr) Barre a mine
CA71486A (fr) Foret a mine
CA73783A (fr) Barre a mine
CA72803A (fr) Foret a mines
CA80026A (fr) Foret
CA72183A (fr) Aiguiseur pour forets a roches
CA71724A (fr) Machine a forer le charbon et la roche
CA74037A (fr) Foret saus soupapes
CA68998A (fr) Foret
CA69133A (fr) Machine a percer
CA70007A (fr) Machine a percer
CA70017A (fr) Foret de mine
CA84954A (fr) Foret a roche
CA84971A (fr) Foret a roche
CA84972A (fr) Foret a roche
CA85920A (fr) Foret a pierre
CA71386A (fr) Machine a percer a vapeur
CA77771A (fr) Mecanisme rotatoire pour forets a mine