CA493930A - Meche de perforatrice - Google Patents

Meche de perforatrice

Info

Publication number
CA493930A
CA493930A CA493930A CA493930DA CA493930A CA 493930 A CA493930 A CA 493930A CA 493930 A CA493930 A CA 493930A CA 493930D A CA493930D A CA 493930DA CA 493930 A CA493930 A CA 493930A
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
CA493930A
Other languages
English (en)
Inventor
B. Baker John
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.)
Timken Co
Original Assignee
Timken Roller Bearing Co
Publication date
Application granted granted Critical
Publication of CA493930A publication Critical patent/CA493930A/fr
Expired legal-status Critical Current

Links

CA493930A Meche de perforatrice Expired CA493930A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CA493930T

Publications (1)

Publication Number Publication Date
CA493930A true CA493930A (fr) 1953-06-23

Family

ID=35639323

Family Applications (1)

Application Number Title Priority Date Filing Date
CA493930A Expired CA493930A (fr) Meche de perforatrice

Country Status (1)

Country Link
CA (1) CA493930A (fr)

Similar Documents

Publication Publication Date Title
CA493930A (fr) Meche de perforatrice
CA505080A (fr) Meche de foreuse
CA491911A (fr) Substructure d'installation de forage
CA496331A (fr) Fleuret de perforateur au rocher
CA488821A (fr) Forets de perforatrices
CA517956A (fr) Tariere de perforatrice au rocher
CA515357A (fr) Perforatrices a percussion
AU149104B2 (en) An improved non-coring diamond drill bit
CA496059A (fr) Perforatrice a dents rapportees
AU164952B2 (en) An improved rock drill
CA518328A (fr) Outils de perforation au rocher
CA530705A (fr) Outil de forage au rocher
CA489511A (fr) Perceuse horizontale
CA479797A (fr) Forets de perforatrices
CA485912A (fr) Meches de porforatrices diamantees
CA477879A (fr) Perforateurs au rocher
CA498273A (fr) Fabrication de perforatrices de rocher
AU129151A (en) An improved non-coring diamond drill bit
CA516857A (fr) Perforateur de roche ou de maconnerie
AU2596554A (en) An improved rock drill
CA497711A (fr) Affuteuses pour perforatrices
CA513622A (fr) Meche de perceuse
CA519509A (fr) Meche de foret
CA519840A (fr) Outil de forage
CA533253A (fr) Fleuret enlevable de perforateur au rocher