CA447361A - Perforatrice - Google Patents

Perforatrice

Info

Publication number
CA447361A
CA447361A CA447361A CA447361DA CA447361A CA 447361 A CA447361 A CA 447361A CA 447361 A CA447361 A CA 447361A CA 447361D A CA447361D A CA 447361DA CA 447361 A CA447361 A CA 447361A
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
CA447361A
Other languages
English (en)
Inventor
Arthur Letts Orlando
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 CA447361A publication Critical patent/CA447361A/fr
Expired legal-status Critical Current

Links

CA447361A Perforatrice Expired CA447361A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CA447361T

Publications (1)

Publication Number Publication Date
CA447361A true CA447361A (fr) 1948-03-23

Family

ID=35565042

Family Applications (1)

Application Number Title Priority Date Filing Date
CA447361A Expired CA447361A (fr) Perforatrice

Country Status (1)

Country Link
CA (1) CA447361A (fr)

Similar Documents

Publication Publication Date Title
CA480041A (fr) Outil
CA450106A (fr) Oscillateur de perceuse
CA447361A (fr) Perforatrice
AU139404B2 (en) Rock drilling tool
CA452465A (fr) Outil de forage
CA452467A (fr) Outil a forer
CA451661A (fr) Marteau perforateur eliminant la poussiere
AU2217148A (en) Rock drilling tool
CA449199A (fr) Foret centre
AU143600B2 (en) Improvements relating to rock drills
AU137792B2 (en) Improved posthole boring means
AU138276B2 (en) Center drilling tool
AU2408348A (en) Improvements relating to rock drills
AU1841448A (en) Improved posthole boring means
CA453860A (fr) Perforatrice de rocher
CA455196A (fr) Marteau-perforateur au rocher
CA455197A (fr) Marteau-perforateur au rocher
CA461626A (fr) Perforatrice de rocher
CA435307A (fr) Fleuret de perforatrice
CA447342A (fr) Arbre d'alesage
CA448703A (fr) Semoir
CA448320A (fr) Infrastructure de chevalement de sondage
AU2017048A (en) Center drilling tool
AU148699B2 (en) Rock drill
CA452468A (fr) Outil etage a forer