CH404590A - Mèche rotative de percussion - Google Patents

Mèche rotative de percussion

Info

Publication number
CH404590A
CH404590A CH1262764A CH1262764A CH404590A CH 404590 A CH404590 A CH 404590A CH 1262764 A CH1262764 A CH 1262764A CH 1262764 A CH1262764 A CH 1262764A CH 404590 A CH404590 A CH 404590A
Authority
CH
Switzerland
Prior art keywords
rotary percussion
percussion bit
bit
rotary
percussion
Prior art date
Application number
CH1262764A
Other languages
English (en)
Inventor
John Clemmow Raymond
Original Assignee
P & V Mining & Engineering Lim
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 P & V Mining & Engineering Lim filed Critical P & V Mining & Engineering Lim
Publication of CH404590A publication Critical patent/CH404590A/fr

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
    • 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
    • E21B10/38—Percussion drill bits characterised by conduits or nozzles for drilling fluids
    • 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)
  • 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)
CH1262764A 1963-10-01 1964-09-29 Mèche rotative de percussion CH404590A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB38569/63A GB1069264A (en) 1963-10-01 1963-10-01 Improvements in or relating to percussive drill bits

Publications (1)

Publication Number Publication Date
CH404590A true CH404590A (fr) 1965-12-31

Family

ID=10404328

Family Applications (1)

Application Number Title Priority Date Filing Date
CH1262764A CH404590A (fr) 1963-10-01 1964-09-29 Mèche rotative de percussion

Country Status (5)

Country Link
US (1) US3299974A (fr)
BE (1) BE653828A (fr)
CH (1) CH404590A (fr)
GB (1) GB1069264A (fr)
NL (1) NL6411454A (fr)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3519092A (en) * 1968-09-16 1970-07-07 Kennametal Inc Percussion bit
US3726351A (en) * 1971-04-26 1973-04-10 E Williams Mill tool
ZA7891B (en) * 1978-01-06 1979-08-29 Boart Int Ltd Down-the-hole drilling
AT376765B (de) * 1978-05-16 1984-12-27 Guergen Karlheinz Auswechselbare bohrkrone fuer einen bei allen gesteinsarten anwendbaren gesteindrehschlagbohrer und bohrhammer
FR2521633A1 (fr) * 1982-02-18 1983-08-19 Guillet Justin Trepan pour la perforation de materiaux tels que roche ou beton
EP0434009A1 (fr) * 1989-12-20 1991-06-26 Schwarz, Günter Trepan et procédé de forage

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2507222A (en) * 1946-08-19 1950-05-09 Phipps Orville Multiple edge percussion bit
US2743495A (en) * 1951-05-07 1956-05-01 Nat Supply Co Method of making a composite cutter
US2693938A (en) * 1952-08-01 1954-11-09 Harry E Roberts Drilling bit
US2903240A (en) * 1957-11-01 1959-09-08 Borg Warner Sonic earth boring drill
US3163244A (en) * 1961-05-19 1964-12-29 Ingersoll Rand Co Rock drill bit having non-aligned cutting members

Also Published As

Publication number Publication date
BE653828A (fr)
NL6411454A (fr) 1965-04-02
US3299974A (en) 1967-01-24
GB1069264A (en) 1967-05-17

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