CA929539A - Mining - Google Patents

Mining

Info

Publication number
CA929539A
CA929539A CA101748A CA101748A CA929539A CA 929539 A CA929539 A CA 929539A CA 101748 A CA101748 A CA 101748A CA 101748 A CA101748 A CA 101748A CA 929539 A CA929539 A CA 929539A
Authority
CA
Canada
Prior art keywords
mining
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
CA101748A
Other versions
CA101748S (en
Inventor
R. Hilton Allan
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.)
MINING DEVELOPMENTS AG
Original Assignee
MINING DEVELOPMENTS AG
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by MINING DEVELOPMENTS AG filed Critical MINING DEVELOPMENTS AG
Application granted granted Critical
Publication of CA929539A publication Critical patent/CA929539A/en
Expired legal-status Critical Current

Links

Classifications

    • E—FIXED CONSTRUCTIONS
    • E21—EARTH OR ROCK DRILLING; MINING
    • E21B—EARTH OR ROCK DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
    • E21B10/00—Drill bits
    • E21B10/36—Percussion drill bits
    • E21B10/40—Percussion drill bits with leading portion
    • E—FIXED CONSTRUCTIONS
    • E21—EARTH OR ROCK DRILLING; MINING
    • E21B—EARTH OR ROCK DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
    • E21B10/00—Drill bits
    • E21B10/46—Drill bits characterised by wear resisting parts, e.g. diamond inserts
    • E21B10/58—Chisel-type inserts

Landscapes

  • Engineering & Computer Science (AREA)
  • Geology (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Mining & Mineral Resources (AREA)
  • Physics & Mathematics (AREA)
  • Environmental & Geological Engineering (AREA)
  • Fluid Mechanics (AREA)
  • Mechanical Engineering (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Geochemistry & Mineralogy (AREA)
  • Earth Drilling (AREA)
  • Drilling And Exploitation, And Mining Machines And Methods (AREA)
  • Artificial Fish Reefs (AREA)
  • Drilling Tools (AREA)
CA101748A 1969-12-30 1970-12-30 Mining Expired CA929539A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB6323769 1969-12-30

Publications (1)

Publication Number Publication Date
CA929539A true CA929539A (en) 1973-07-03

Family

ID=10488888

Family Applications (1)

Application Number Title Priority Date Filing Date
CA101748A Expired CA929539A (en) 1969-12-30 1970-12-30 Mining

Country Status (5)

Country Link
US (1) US3758160A (en)
CA (1) CA929539A (en)
CH (1) CH517892A (en)
GB (1) GB1344820A (en)
ZA (1) ZA708723B (en)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
ZA752609B (en) * 1975-04-23 1976-08-25 Atlas Copco Ab Improvements in or relating to methods of and apparatus for winning reef
DE2713781C3 (en) * 1977-03-29 1983-02-24 M.A.N. Maschinenfabrik Augsburg-Nürnberg AG, 4200 Oberhausen Process and device for the combined hydraulic-mechanical underground extraction of mainly hard mineral raw materials
US12031382B2 (en) 2019-02-26 2024-07-09 Novamera Inc. Method and system for mining

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US486101A (en) * 1892-11-15 Rock drilling and splitting
US395105A (en) * 1888-12-25 Rock-drilling tool
US1631693A (en) * 1927-06-07 Broaching tool
US740906A (en) * 1902-07-22 1903-10-06 David Awst Owen Rock-drill attachment.
US923513A (en) * 1908-05-05 1909-06-01 Martin Hardsocg Drill.
US2390562A (en) * 1944-01-03 1945-12-11 Kindred L Storrs Method of mining coal
US3167354A (en) * 1962-08-24 1965-01-26 Ingersoll Rand Co Drilling method for mining thin ore bodies

Also Published As

Publication number Publication date
CH517892A (en) 1972-01-15
GB1344820A (en) 1974-01-23
US3758160A (en) 1973-09-11
ZA708723B (en) 1971-10-27

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