CA235486A - Perforatrice de roc et de minerai - Google Patents

Perforatrice de roc et de minerai

Info

Publication number
CA235486A
CA235486A CA235486A CA235486DA CA235486A CA 235486 A CA235486 A CA 235486A CA 235486 A CA235486 A CA 235486A CA 235486D A CA235486D A CA 235486DA CA 235486 A CA235486 A CA 235486A
Authority
CA
Canada
Prior art keywords
rock
drilling apparatus
ore drilling
ore
drilling
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
CA235486A
Other languages
English (en)
Inventor
George Reynolds Lyman
Lytle Holman Arthur
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.)
EDWARD JOHNSTON MORRISON
Original Assignee
EDWARD JOHNSTON MORRISON
Publication date
Application granted granted Critical
Publication of CA235486A publication Critical patent/CA235486A/fr
Expired legal-status Critical Current

Links

CA235486A Perforatrice de roc et de minerai Expired CA235486A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CA235486T

Publications (1)

Publication Number Publication Date
CA235486A true CA235486A (fr) 1923-11-06

Family

ID=35132860

Family Applications (1)

Application Number Title Priority Date Filing Date
CA235486A Expired CA235486A (fr) Perforatrice de roc et de minerai

Country Status (1)

Country Link
CA (1) CA235486A (fr)

Similar Documents

Publication Publication Date Title
CA235486A (fr) Perforatrice de roc et de minerai
CA230319A (fr) Appareil a forer les puits
CA233362A (fr) Foreuse
CA224080A (fr) Appareil de foret a roc
CA228934A (fr) Foret a roc
CA216182A (fr) Perforatrice de mine
AU1390423A (en) Improvements in gas actuated rock drill
CA220276A (fr) Foret a roc
CA237399A (fr) Foret a puits
CA227833A (fr) Foret
CA228088A (fr) Foret
CA228540A (fr) Foret
CA232421A (fr) Foret
CA232422A (fr) Foret
CA232423A (fr) Foret
CA232424A (fr) Foret
CA235833A (fr) Foret
CA235859A (fr) Foreuse
CA236763A (fr) Foret a roc
CA255497A (fr) Procede d'extraction de roc et de mineraux
CA236210A (fr) Foret et porte-foret
CA229617A (fr) Machine portative a capter l'or
CA270685A (fr) Appareil a forer les puits
AU2085724A (en) Improvement in rock drills
CA229592A (fr) Meche de foreuse de puits