BR6456251D0 - Broca rotativa de percussao - Google Patents

Broca rotativa de percussao

Info

Publication number
BR6456251D0
BR6456251D0 BR156251/64A BR15625164A BR6456251D0 BR 6456251 D0 BR6456251 D0 BR 6456251D0 BR 156251/64 A BR156251/64 A BR 156251/64A BR 15625164 A BR15625164 A BR 15625164A BR 6456251 D0 BR6456251 D0 BR 6456251D0
Authority
BR
Brazil
Prior art keywords
drill
rotating
rotating drill
drill drill
Prior art date
Application number
BR156251/64A
Other languages
English (en)
Inventor
Tool Co Hughes
Original Assignee
Tool Co Hughes
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 Tool Co Hughes filed Critical Tool Co Hughes
Publication of BR6456251D0 publication Critical patent/BR6456251D0/pt

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
    • E21B10/46—Drill bits characterised by wear resisting parts, e.g. diamond inserts
    • E21B10/56—Button-type inserts

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)
BR156251/64A 1963-01-21 1964-01-21 Broca rotativa de percussao BR6456251D0 (pt)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US252794A US3185228A (en) 1963-01-21 1963-01-21 Rotary-percussion drill bit with heel row inserts to prevent wedging

Publications (1)

Publication Number Publication Date
BR6456251D0 true BR6456251D0 (pt) 1973-04-26

Family

ID=22957576

Family Applications (1)

Application Number Title Priority Date Filing Date
BR156251/64A BR6456251D0 (pt) 1963-01-21 1964-01-21 Broca rotativa de percussao

Country Status (3)

Country Link
US (1) US3185228A (pt)
BR (1) BR6456251D0 (pt)
GB (1) GB995599A (pt)

Families Citing this family (22)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3258077A (en) * 1963-12-30 1966-06-28 Phipps Orville Piercing point hammer drill bit
US3388756A (en) * 1965-03-29 1968-06-18 Varel Mfg Company Percussion bit
US3357507A (en) * 1965-10-24 1967-12-12 Mission Mfg Co Percussion bit
US3346060A (en) * 1965-12-23 1967-10-10 Beyer Leaman Rex Rotary-air-percussion, stabilizer and reamer drill bit of its own true gauge
AT302937B (de) * 1970-06-05 1972-11-10 Boehler & Co Ag Geb Gesteinsbohrkrone, insbesondere für Schlagbohrgeräte
US3788409A (en) * 1972-05-08 1974-01-29 Baker Oil Tools Inc Percussion bits
US3858671A (en) * 1973-04-23 1975-01-07 Kennametal Inc Excavating tool
US4069880A (en) * 1973-05-24 1978-01-24 Kennametal Inc. Excavation tool
US3871486A (en) * 1973-08-29 1975-03-18 Bakerdrill Inc Continuous coring system and apparatus
US3885638A (en) * 1973-10-10 1975-05-27 Sam C Skidmore Combination rotary and percussion drill bit
US3918538A (en) * 1974-07-01 1975-11-11 Hughes Tool Co Rotary percussion earth boring bit
US3941197A (en) * 1974-07-01 1976-03-02 Hughes Tool Company Rotary percussion earth boring bit
US4129952A (en) * 1977-10-27 1978-12-19 Caterpillar Tractor Co. Wear strips for earthmoving buckets
US4296825A (en) * 1977-11-25 1981-10-27 Sandvik Aktiebolag Rock drill
US4304312A (en) * 1980-01-11 1981-12-08 Sandvik Aktiebolag Percussion drill bit having centrally projecting insert
CA2036602C (en) * 1990-02-28 2001-04-24 Takeshi Hayashi Excavation tool
NO301348B1 (no) * 1990-07-27 1997-10-13 Mitsubishi Materials Corp Boreverktöy
US5575342A (en) * 1995-05-26 1996-11-19 Sandvik Ab Percussion drill bit, an insert for use therein and a method of drilling a bore
SE523853C2 (sv) * 1997-06-30 2004-05-25 Smith International Borrkrona med stora insatser
US8387725B2 (en) * 2008-04-14 2013-03-05 Smith International, Inc. Percussion drilling assembly and hammer bit with gage and outer row reinforcement
EP2369127A1 (en) * 2010-03-09 2011-09-28 Sandvik Intellectual Property AB A rock drill bit, a drilling assembly and a method for percussive rock drilling
EP2586960B1 (en) * 2011-10-27 2016-01-13 Sandvik Intellectual Property AB Drill bit having a sunken button and rock drilling tool for use with such a drill bit

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2097030A (en) * 1934-12-15 1937-10-26 Robert J Killgore Rock drill bit
US2689109A (en) * 1948-04-30 1954-09-14 Joy Mfg Co Rock drill bit
FR984597A (fr) * 1949-02-14 1951-07-09 Outil perfectionné pour perforatrice
GB692373A (en) * 1950-08-08 1953-06-03 Joseph Dionisotti Improvements in or relating to drill bits for boring rock or like materials
US2725216A (en) * 1951-07-20 1955-11-29 Philip B Brown Drilling bit
BE510209A (pt) * 1951-11-20
US2774570A (en) * 1954-05-03 1956-12-18 Hughes Tool Co Roller cutter for earth drills
US2774571A (en) * 1954-07-06 1956-12-18 Hughes Tool Co Cone type well drill
US3071201A (en) * 1959-03-09 1963-01-01 Phipps Orville Piercing point rotary drill bit

Also Published As

Publication number Publication date
GB995599A (en) 1965-06-16
US3185228A (en) 1965-05-25

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