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CA1029365A - Method and apparatus for roof drilling - Google Patents

Method and apparatus for roof drilling

Info

Publication number
CA1029365A
CA1029365A CA236,371A CA236371A CA1029365A CA 1029365 A CA1029365 A CA 1029365A CA 236371 A CA236371 A CA 236371A CA 1029365 A CA1029365 A CA 1029365A
Authority
CA
Canada
Prior art keywords
roof drilling
drilling
roof
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
CA236,371A
Other languages
French (fr)
Other versions
CA236371S (en
Inventor
Lloyd B. Hansen
Eugene R. Smarrella
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.)
Carmet Co
Original Assignee
Carmet Co
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 Carmet Co filed Critical Carmet Co
Application granted granted Critical
Publication of CA1029365A publication Critical patent/CA1029365A/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
    • E21B17/00—Drilling rods or pipes; Flexible drill strings; Kellies; Drill collars; Sucker rods; Cables; Casings; Tubings
    • E21B17/02—Couplings; joints
    • E21B17/04—Couplings; joints between rod or the like and bit or between rod and rod or the like
    • E21B17/046—Couplings; joints between rod or the like and bit or between rod and rod or the like with ribs, pins, or jaws, and complementary grooves or the like, e.g. bayonet catches
    • 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
    • E21B17/00—Drilling rods or pipes; Flexible drill strings; Kellies; Drill collars; Sucker rods; Cables; Casings; Tubings

Landscapes

  • Engineering & Computer Science (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Geology (AREA)
  • Mining & Mineral Resources (AREA)
  • Mechanical Engineering (AREA)
  • Physics & Mathematics (AREA)
  • Environmental & Geological Engineering (AREA)
  • Fluid Mechanics (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Geochemistry & Mineralogy (AREA)
  • Earth Drilling (AREA)
  • Processing Of Stones Or Stones Resemblance Materials (AREA)
CA236,371A 1975-03-03 1975-09-25 Method and apparatus for roof drilling Expired CA1029365A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US55487875A 1975-03-03 1975-03-03

Publications (1)

Publication Number Publication Date
CA1029365A true CA1029365A (en) 1978-04-11

Family

ID=24215068

Family Applications (1)

Application Number Title Priority Date Filing Date
CA236,371A Expired CA1029365A (en) 1975-03-03 1975-09-25 Method and apparatus for roof drilling

Country Status (4)

Country Link
CA (1) CA1029365A (en)
DE (1) DE2548637C3 (en)
FR (1) FR2303154A1 (en)
GB (1) GB1482394A (en)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2436872A1 (en) * 1978-09-21 1980-04-18 Lorentz Robert Coupling bits and heads of drills for mining work - by attachment element incorporating means for allowing utilisation of tightening tool
SE520356C2 (en) * 1997-09-05 2003-07-01 Sandvik Ab Rock drill as well as a method for manufacturing said rock drill
DE102018008533A1 (en) * 2018-10-31 2020-04-30 Tracto-Technik Gmbh & Co. Kg Boom shot of an earth drill pipe

Family Cites Families (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE547527C (en) * 1932-04-04 Heinr Korfmann Jr Fa Drill rods consisting of individual pieces with a screw conveyor
US2263579A (en) * 1938-10-03 1941-11-25 Eidco Inc Sectional drill rod
US2693345A (en) * 1950-01-10 1954-11-02 James A Martin Earth-boring apparatus
US2979141A (en) * 1957-11-13 1961-04-11 Charles W Kandle Earth boring apparatus
US3022840A (en) * 1959-03-19 1962-02-27 Mine Safety Appliances Co Dust collecting rotary rock drill
US3187825A (en) * 1963-08-06 1965-06-08 Gen Electric Cutter bit for roof drill
US3341237A (en) * 1965-07-06 1967-09-12 Emilio A Anzalone Drill coupling tool
NL6609441A (en) * 1965-07-08 1967-01-09
US3554306A (en) * 1968-11-29 1971-01-12 Carmet Co Polygonal drill rod assembly
US3519091A (en) * 1969-02-14 1970-07-07 Kennametal Inc Arrangement for drilling in mines

Also Published As

Publication number Publication date
GB1482394A (en) 1977-08-10
AU8543475A (en) 1977-04-07
FR2303154B1 (en) 1982-11-05
DE2548637C3 (en) 1981-07-09
DE2548637A1 (en) 1976-09-16
FR2303154A1 (en) 1976-10-01
DE2548637B2 (en) 1980-11-20

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