FR2303154B1 - - Google Patents

Info

Publication number
FR2303154B1
FR2303154B1 FR7605633A FR7605633A FR2303154B1 FR 2303154 B1 FR2303154 B1 FR 2303154B1 FR 7605633 A FR7605633 A FR 7605633A FR 7605633 A FR7605633 A FR 7605633A FR 2303154 B1 FR2303154 B1 FR 2303154B1
Authority
FR
France
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
FR7605633A
Other languages
French (fr)
Other versions
FR2303154A1 (en
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
Publication of FR2303154A1 publication Critical patent/FR2303154A1/en
Application granted granted Critical
Publication of FR2303154B1 publication Critical patent/FR2303154B1/fr
Granted legal-status Critical Current

Links

Classifications

    • E—FIXED CONSTRUCTIONS
    • E21—EARTH DRILLING; MINING
    • E21B—EARTH DRILLING, e.g. DEEP 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 DRILLING; MINING
    • E21B—EARTH DRILLING, e.g. DEEP 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
FR7605633A 1975-03-03 1976-02-27 ROOF DRILLING PROCESS AND APPARATUS Granted FR2303154A1 (en)

Applications Claiming Priority (1)

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

Publications (2)

Publication Number Publication Date
FR2303154A1 FR2303154A1 (en) 1976-10-01
FR2303154B1 true FR2303154B1 (en) 1982-11-05

Family

ID=24215068

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7605633A Granted FR2303154A1 (en) 1975-03-03 1976-02-27 ROOF DRILLING PROCESS AND APPARATUS

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
CA1029365A (en) 1978-04-11
FR2303154A1 (en) 1976-10-01
DE2548637B2 (en) 1980-11-20
AU8543475A (en) 1977-04-07
DE2548637C3 (en) 1981-07-09
DE2548637A1 (en) 1976-09-16
GB1482394A (en) 1977-08-10

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Legal Events

Date Code Title Description
ST Notification of lapse