CA871004A - Flushing bit - Google Patents

Flushing bit

Info

Publication number
CA871004A
CA871004A CA871004A CA871004DA CA871004A CA 871004 A CA871004 A CA 871004A CA 871004 A CA871004 A CA 871004A CA 871004D A CA871004D A CA 871004DA CA 871004 A CA871004 A CA 871004A
Authority
CA
Canada
Prior art keywords
flushing
bit
flushing bit
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
CA871004A
Inventor
A. Bendo Allen
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.)
HARD METALS (CANADA) Ltd
Original Assignee
HARD METALS (CANADA) Ltd
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 HARD METALS (CANADA) Ltd filed Critical HARD METALS (CANADA) Ltd
Application granted granted Critical
Publication of CA871004A publication Critical patent/CA871004A/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
    • E21B10/00—Drill bits
    • E21B10/36—Percussion drill bits
    • E21B10/38—Percussion drill bits characterised by conduits or nozzles for drilling fluids

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)
CA871004A 1966-06-24 1966-06-24 Flushing bit Expired CA871004A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CA963800 1966-06-24

Publications (1)

Publication Number Publication Date
CA871004A true CA871004A (en) 1971-05-18

Family

ID=4142573

Family Applications (1)

Application Number Title Priority Date Filing Date
CA871004A Expired CA871004A (en) 1966-06-24 1966-06-24 Flushing bit

Country Status (1)

Country Link
CA (1) CA871004A (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0003103A2 (en) * 1978-01-06 1979-07-25 Boart International Limited Down-the-hole drill
WO1991019074A1 (en) * 1990-05-25 1991-12-12 Ksk Guided Microtunneling Technologies Gmbh Spezialtiefbaugeräte Drill head with nozzles

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0003103A2 (en) * 1978-01-06 1979-07-25 Boart International Limited Down-the-hole drill
EP0003103A3 (en) * 1978-01-06 1979-08-08 Boart International Limited Down-the-hole drilling
WO1991019074A1 (en) * 1990-05-25 1991-12-12 Ksk Guided Microtunneling Technologies Gmbh Spezialtiefbaugeräte Drill head with nozzles
US5322134A (en) * 1990-05-25 1994-06-21 Ksk Guided Microtunneling Technologies Gmbh Spezialtiefbaugerate Drill head

Similar Documents

Publication Publication Date Title
CA871004A (en) Flushing bit
AU410508B1 (en) Drill rig
CA726568A (en) Underdrilling bit
CA736828A (en) Drilling bit
AU405186B2 (en) Drill bit
AU435967B2 (en) Drill bit
CA743439A (en) Percussion bit
AU1547966A (en) Drill bit
AU1276366A (en) Drill bit
CA732058A (en) Drill bit assembly
CA730026A (en) Replaceable bit structure
CA722509A (en) Drill bit
CA746381A (en) Underwater drilling
CA729037A (en) Combination core bit
CA738860A (en) Drill rigs
AU408458B2 (en) Masonry drills
CA732057A (en) Percussion drills
CA735095A (en) Bit comparator
CA747780A (en) Well drilling assembly
CA726416A (en) Boring tools
CA738862A (en) Earth drilling bit
AU421373B2 (en) Drill screw
AU402424B2 (en) Derrick
CA743702A (en) Chuck construction
AU401042B2 (en) Core drills