CA517991A - Methode de fabrication d'acier de perforateur au rocher - Google Patents

Methode de fabrication d'acier de perforateur au rocher

Info

Publication number
CA517991A
CA517991A CA517991A CA517991DA CA517991A CA 517991 A CA517991 A CA 517991A CA 517991 A CA517991 A CA 517991A CA 517991D A CA517991D A CA 517991DA CA 517991 A CA517991 A CA 517991A
Authority
CA
Canada
Prior art keywords
rock drill
drill steel
manufacturing rock
manufacturing
steel
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
CA517991A
Other languages
English (en)
Inventor
A. Ekman Sven
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.)
Atlas Copco AB
Original Assignee
Atlas Diesel AB
Publication date
Application granted granted Critical
Publication of CA517991A publication Critical patent/CA517991A/fr
Expired legal-status Critical Current

Links

CA517991A Methode de fabrication d'acier de perforateur au rocher Expired CA517991A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CA517991T

Publications (1)

Publication Number Publication Date
CA517991A true CA517991A (fr) 1955-11-01

Family

ID=35671192

Family Applications (1)

Application Number Title Priority Date Filing Date
CA517991A Expired CA517991A (fr) Methode de fabrication d'acier de perforateur au rocher

Country Status (1)

Country Link
CA (1) CA517991A (fr)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3045328A (en) * 1956-05-08 1962-07-24 Int Nickel Co Manufacture of hollow turbine blades
US3112557A (en) * 1958-02-10 1963-12-03 Rolls Royce Turbine and compressor blades

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3045328A (en) * 1956-05-08 1962-07-24 Int Nickel Co Manufacture of hollow turbine blades
US3112557A (en) * 1958-02-10 1963-12-03 Rolls Royce Turbine and compressor blades

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