CA247340A - Rotation de foret a roc - Google Patents

Rotation de foret a roc

Info

Publication number
CA247340A
CA247340A CA247340A CA247340DA CA247340A CA 247340 A CA247340 A CA 247340A CA 247340 A CA247340 A CA 247340A CA 247340D A CA247340D A CA 247340DA CA 247340 A CA247340 A CA 247340A
Authority
CA
Canada
Prior art keywords
rotation
rock drills
drills
rock
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
CA247340A
Other languages
English (en)
Inventor
Condict Bayles Lewis
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.)
Ingersoll Rand Co
Original Assignee
Ingersoll Rand Co
Publication date
Application granted granted Critical
Publication of CA247340A publication Critical patent/CA247340A/fr
Expired legal-status Critical Current

Links

CA247340A Rotation de foret a roc Expired CA247340A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CA247340T

Publications (1)

Publication Number Publication Date
CA247340A true CA247340A (fr) 1925-03-03

Family

ID=35154314

Family Applications (1)

Application Number Title Priority Date Filing Date
CA247340A Expired CA247340A (fr) Rotation de foret a roc

Country Status (1)

Country Link
CA (1) CA247340A (fr)

Similar Documents

Publication Publication Date Title
CA247340A (fr) Rotation de foret a roc
CA247936A (fr) Foret a roc
CA248874A (fr) Foret a roc
CA256217A (fr) Foret a roc
CA256691A (fr) Foret a roc
CA250746A (fr) Foreuse rotative
CA259548A (fr) Foreuse rotative de puits
CA253525A (fr) Monture de foret a roc
CA265277A (fr) Foret rotatif
CA255955A (fr) Meche de foret
CA248699A (fr) Tiroir de foreuse a roc
AU2016824A (en) Improvement in rotation for rock drills
CA248755A (fr) Meche de machine a miner
CA255453A (fr) Meche de perforatrice de roc
CA275603A (fr) Meche de perforatrice rotative
CA250747A (fr) Foreuse a terre
CA250505A (fr) Meche a miner
CA267028A (fr) Perforatrice a roc
CA264062A (fr) Meche de perforatrice
CA263890A (fr) Perceuse
CA289310A (fr) Foreur rotatif de puits
CA258961A (fr) Foret a roc
CA260700A (fr) Perforatrice de roc
CA260701A (fr) Perforatrice de roc
CA266780A (fr) Foret a roc