GB2120156B - Rotary-percussive drill assembly - Google Patents

Rotary-percussive drill assembly

Info

Publication number
GB2120156B
GB2120156B GB08212251A GB8212251A GB2120156B GB 2120156 B GB2120156 B GB 2120156B GB 08212251 A GB08212251 A GB 08212251A GB 8212251 A GB8212251 A GB 8212251A GB 2120156 B GB2120156 B GB 2120156B
Authority
GB
United Kingdom
Prior art keywords
rotary
drill assembly
percussive drill
percussive
assembly
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
GB08212251A
Other versions
GB2120156A (en
Inventor
Michael Campbell Mitchell
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.)
SWAN PLANT SALES Ltd
Original Assignee
SWAN PLANT SALES 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 SWAN PLANT SALES Ltd filed Critical SWAN PLANT SALES Ltd
Priority to GB08212251A priority Critical patent/GB2120156B/en
Priority to FR8306316A priority patent/FR2526078B3/en
Priority to DE19833314422 priority patent/DE3314422A1/en
Priority to SE8302376A priority patent/SE454794B/en
Publication of GB2120156A publication Critical patent/GB2120156A/en
Application granted granted Critical
Publication of GB2120156B publication Critical patent/GB2120156B/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
    • 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
    • E21B10/40—Percussion drill bits with leading portion
    • 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
    • E21B10/44—Bits with helical conveying portion, e.g. screw type bits; Augers with leading portion or with detachable parts
    • E21B10/445—Bits with helical conveying portion, e.g. screw type bits; Augers with leading portion or with detachable parts percussion type, e.g. for masonry
    • 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
    • E21B10/62—Drill bits characterised by parts, e.g. cutting elements, which are detachable or adjustable

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)
  • Processing Of Stones Or Stones Resemblance Materials (AREA)
GB08212251A 1982-04-28 1982-04-28 Rotary-percussive drill assembly Expired GB2120156B (en)

Priority Applications (4)

Application Number Priority Date Filing Date Title
GB08212251A GB2120156B (en) 1982-04-28 1982-04-28 Rotary-percussive drill assembly
FR8306316A FR2526078B3 (en) 1982-04-28 1983-04-18 ROTARY PERCUSSION DRILLING DEVICE
DE19833314422 DE3314422A1 (en) 1982-04-28 1983-04-21 DRILL TOOL COMBINATION
SE8302376A SE454794B (en) 1982-04-28 1983-04-27 ROTATING BODY DRILL FOR DRILLING WITH HANDLED CORE

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB08212251A GB2120156B (en) 1982-04-28 1982-04-28 Rotary-percussive drill assembly

Publications (2)

Publication Number Publication Date
GB2120156A GB2120156A (en) 1983-11-30
GB2120156B true GB2120156B (en) 1986-02-12

Family

ID=10530018

Family Applications (1)

Application Number Title Priority Date Filing Date
GB08212251A Expired GB2120156B (en) 1982-04-28 1982-04-28 Rotary-percussive drill assembly

Country Status (4)

Country Link
DE (1) DE3314422A1 (en)
FR (1) FR2526078B3 (en)
GB (1) GB2120156B (en)
SE (1) SE454794B (en)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6161633A (en) 1998-02-03 2000-12-19 Cutting Edge Technology Apparatus for boring through a solid material
US6736226B2 (en) 1998-02-03 2004-05-18 Cutting Edge Technologies, Llc Method and apparatus for boring through a solid material
US6938961B2 (en) 2002-03-21 2005-09-06 Cutting Edge Technologies, Llc Apparatus for breaking up solid objects
WO2021222747A1 (en) * 2020-04-30 2021-11-04 Concore Bv Weep-hole drilling

Family Cites Families (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB520088A (en) * 1938-10-12 1940-04-15 Eidco Inc Improvements in or relating to rock drilling equipment
DE967431C (en) * 1939-10-26 1957-11-14 Karl Gerlach Iron pit stamp
GB652562A (en) * 1939-12-08 1951-04-25 Boehler & Co Ag Geb Rock boring head having a simple chisel cutting edge for percussive boring
GB553637A (en) * 1941-11-27 1943-05-31 Martin Hokanson Improvements in or relating to rock drills
GB660816A (en) * 1948-11-17 1951-11-14 Timken Roller Bearing Co Improvements in or relating to a rotary percussion drill
GB716911A (en) * 1951-05-01 1954-10-20 Seco Proprietary Ltd Improvements in rock drills
US2996061A (en) * 1959-01-26 1961-08-15 Super Cut Abrasive diamond core drill
US3100118A (en) * 1961-05-22 1963-08-06 Terao Masahisa Holding sleeve for a rock drill
DE2448377A1 (en) * 1974-10-08 1976-04-22 Bohrer Gmbh Fuer Ind Handel Ha Tool holder for hammer drill - has two forms for varying drill bit sizes, and slightly different external contouring
DE3004077C2 (en) * 1980-02-05 1986-12-18 Robert Bosch Gmbh, 7000 Stuttgart Drill bit

Also Published As

Publication number Publication date
SE8302376D0 (en) 1983-04-27
SE454794B (en) 1988-05-30
FR2526078A1 (en) 1983-11-04
GB2120156A (en) 1983-11-30
FR2526078B3 (en) 1985-09-27
DE3314422A1 (en) 1983-11-03
SE8302376L (en) 1983-10-29

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Legal Events

Date Code Title Description
PCNP Patent ceased through non-payment of renewal fee