FR1463719A - Advanced drill bit - Google Patents

Advanced drill bit

Info

Publication number
FR1463719A
FR1463719A FR46255A FR46255A FR1463719A FR 1463719 A FR1463719 A FR 1463719A FR 46255 A FR46255 A FR 46255A FR 46255 A FR46255 A FR 46255A FR 1463719 A FR1463719 A FR 1463719A
Authority
FR
France
Prior art keywords
drill bit
advanced drill
advanced
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
FR46255A
Other languages
French (fr)
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 Copco AB
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 Atlas Copco AB filed Critical Atlas Copco AB
Application granted granted Critical
Publication of FR1463719A publication Critical patent/FR1463719A/en
Expired 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
    • E21B10/00—Drill bits
    • E21B10/36—Percussion drill bits
    • E21B10/38—Percussion drill bits characterised by conduits or nozzles for drilling fluids
FR46255A 1965-01-19 1966-01-18 Advanced drill bit Expired FR1463719A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US426504A US3339649A (en) 1965-01-19 1965-01-19 Rock drill bits

Publications (1)

Publication Number Publication Date
FR1463719A true FR1463719A (en) 1966-12-23

Family

ID=23691064

Family Applications (1)

Application Number Title Priority Date Filing Date
FR46255A Expired FR1463719A (en) 1965-01-19 1966-01-18 Advanced drill bit

Country Status (3)

Country Link
US (1) US3339649A (en)
FR (1) FR1463719A (en)
GB (1) GB1073101A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2538442A1 (en) * 1982-12-23 1984-06-29 Charbonnages De France JET ASSISTED ROTATING FORTIFIER

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
IT1220559B (en) * 1988-03-29 1990-06-15 Bbw Srl PULL MASS DRILLING MACHINE WITH BOTTOM DISCHARGE HEADS OR INTERCHANGE SIDE DISCHARGE
US5366032A (en) * 1993-06-09 1994-11-22 Kay Mark A Rock bit
AUPN380895A0 (en) * 1995-06-26 1995-07-20 Sds Digger Tools Pty Ltd An improved up hole hammer drill bit
DE10024433A1 (en) * 2000-05-19 2001-11-29 Hawera Probst Gmbh Rock drill
US20100276206A1 (en) * 2008-07-25 2010-11-04 Anatoli Borissov Rotary Drill Bit
AT13738U1 (en) * 2013-03-05 2014-07-15 Dywidag Systems Int Gmbh drill bit

Family Cites Families (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US54226A (en) * 1866-04-24 Improved rock-drill
US237013A (en) * 1881-01-25 hammond
US3128835A (en) * 1964-04-14 Rock drill bit
US658060A (en) * 1900-07-21 1900-09-18 William Archer Dudley Rock-drill head.
US820530A (en) * 1905-03-11 1906-05-15 William Sturm Rock-drill.
US2297983A (en) * 1939-03-09 1942-10-06 Detachable Bit Company Method of making detachable bits for rock drills
US2368512A (en) * 1942-09-14 1945-01-30 Ingersoll Rand Co Drilling implement
US2519861A (en) * 1947-01-14 1950-08-22 John D Bilbao Double-acting drill bit
US2602641A (en) * 1948-07-20 1952-07-08 William R Wade Drill bit
US2976944A (en) * 1957-09-27 1961-03-28 Bassinger Tool Company Percussion drill bit
US2971594A (en) * 1958-08-22 1961-02-14 Spencer Rock Drill Co Inc Rock drill bit

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2538442A1 (en) * 1982-12-23 1984-06-29 Charbonnages De France JET ASSISTED ROTATING FORTIFIER
EP0114016A1 (en) * 1982-12-23 1984-07-25 Etablissement public dit: CHARBONNAGES DE FRANCE Drill bit for combined rotary and jet drilling
US4535853A (en) * 1982-12-23 1985-08-20 Charbonnages De France Drill bit for jet assisted rotary drilling

Also Published As

Publication number Publication date
US3339649A (en) 1967-09-05
GB1073101A (en) 1967-06-21

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