CA540407A - Meche de perforatrice - Google Patents

Meche de perforatrice

Info

Publication number
CA540407A
CA540407A CA540407A CA540407DA CA540407A CA 540407 A CA540407 A CA 540407A CA 540407 A CA540407 A CA 540407A CA 540407D A CA540407D A CA 540407DA CA 540407 A CA540407 A CA 540407A
Authority
CA
Canada
Prior art keywords
drill bit
rock drill
rock
bit
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
CA540407A
Other languages
English (en)
Inventor
B. Brown Philip
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
Publication date
Application granted granted Critical
Publication of CA540407A publication Critical patent/CA540407A/fr
Expired legal-status Critical Current

Links

CA540407A Meche de perforatrice Expired CA540407A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CA540407T

Publications (1)

Publication Number Publication Date
CA540407A true CA540407A (fr) 1957-05-07

Family

ID=35697546

Family Applications (1)

Application Number Title Priority Date Filing Date
CA540407A Expired CA540407A (fr) Meche de perforatrice

Country Status (1)

Country Link
CA (1) CA540407A (fr)

Similar Documents

Publication Publication Date Title
CA547714A (fr) Cheville de meche de foret
CA540407A (fr) Meche de perforatrice
CA623481A (en) Rock drilling bit
CA536543A (fr) Piece rapportee de meche de foreuse
CA538658A (fr) Outil a percer le roc
CA538284A (fr) Meche de foret
CA542010A (fr) Perforatrice
CA535706A (fr) Outil de forage
CA530705A (fr) Outil de forage au rocher
CA505080A (fr) Meche de foreuse
CA533253A (fr) Fleuret enlevable de perforateur au rocher
CA557805A (fr) Marteau perforateur au rocher
CA541022A (fr) Tete ou meche de foret
AU211953B2 (en) Improvement in mobile rock drill rigs
AU221157B2 (en) Large diameter earth boring drill
CA542199A (fr) Foret de percussion
AU219167B2 (en) Percussion drill bit for large holes
CA549284A (fr) Meche retractile de forage de formation dure
CA550944A (fr) Meche de foret relevable pour formation dure
AU231481B2 (en) Rock drill construction
CA528679A (fr) Outil de forage de puits
CA548392A (fr) Appareil a percer le roc
CA551441A (fr) Meche de sondage de puits
CA602734A (en) Rock drill
CA526331A (fr) Outil de forage