CA260700A - Perforatrice de roc - Google Patents

Perforatrice de roc

Info

Publication number
CA260700A
CA260700A CA260700A CA260700DA CA260700A CA 260700 A CA260700 A CA 260700A CA 260700 A CA260700 A CA 260700A CA 260700D A CA260700D A CA 260700DA CA 260700 A CA260700 A CA 260700A
Authority
CA
Canada
Prior art keywords
rock drill
drill
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
CA260700A
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 CA260700A publication Critical patent/CA260700A/fr
Expired legal-status Critical Current

Links

CA260700A Perforatrice de roc Expired CA260700A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CA260700T

Publications (1)

Publication Number Publication Date
CA260700A true CA260700A (fr) 1926-05-11

Family

ID=35188650

Family Applications (1)

Application Number Title Priority Date Filing Date
CA260700A Expired CA260700A (fr) Perforatrice de roc

Country Status (1)

Country Link
CA (1) CA260700A (fr)

Similar Documents

Publication Publication Date Title
CA260700A (fr) Perforatrice de roc
CA258961A (fr) Foret a roc
CA260701A (fr) Perforatrice de roc
CA266780A (fr) Foret a roc
CA263442A (fr) Foreuse de puits
CA264062A (fr) Meche de perforatrice
CA267028A (fr) Perforatrice a roc
CA261350A (fr) Tiroir de perforatrice a roc
CA273079A (fr) Foret a roc
CA267646A (fr) Foret a roc
CA267967A (fr) Perforatrice a roc
CA268830A (fr) Foret a roc
CA270362A (fr) Foret a roc
CA271779A (fr) Perforatrice a roc
CA272327A (fr) Perforatrice a roc
CA276275A (fr) Foreuse a roc
CA247936A (fr) Foret a roc
CA248874A (fr) Foret a roc
CA256217A (fr) Foret a roc
CA256691A (fr) Foret a roc
CA259548A (fr) Foreuse rotative de puits
CA236763A (fr) Foret a roc
CA257226A (fr) Perceuse multiple
CA274548A (fr) Foret a miner
CA266924A (fr) Dispositif de foret a puits