ATE41468T1 - Bohrstiftanpassungsgeraet. - Google Patents

Bohrstiftanpassungsgeraet.

Info

Publication number
ATE41468T1
ATE41468T1 AT86902940T AT86902940T ATE41468T1 AT E41468 T1 ATE41468 T1 AT E41468T1 AT 86902940 T AT86902940 T AT 86902940T AT 86902940 T AT86902940 T AT 86902940T AT E41468 T1 ATE41468 T1 AT E41468T1
Authority
AT
Austria
Prior art keywords
drill
adapter
drill rod
adjustment device
longitudinal axis
Prior art date
Application number
AT86902940T
Other languages
English (en)
Inventor
Vladimir Vancura
Original Assignee
Vladimir Vancura
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 Vladimir Vancura filed Critical Vladimir Vancura
Application granted granted Critical
Publication of ATE41468T1 publication Critical patent/ATE41468T1/de

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
    • E21B10/26—Drill bits with leading portion, i.e. drill bits with a pilot cutter; Drill bits for enlarging the borehole, e.g. reamers
    • E21B10/32—Drill bits with leading portion, i.e. drill bits with a pilot cutter; Drill bits for enlarging the borehole, e.g. reamers with expansible cutting tools
    • E21B10/327—Drill bits with leading portion, i.e. drill bits with a pilot cutter; Drill bits for enlarging the borehole, e.g. reamers with expansible cutting tools the cutter being pivoted about a longitudinal axis
    • 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

Landscapes

  • Engineering & Computer Science (AREA)
  • Geology (AREA)
  • Mining & Mineral Resources (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Environmental & Geological Engineering (AREA)
  • Physics & Mathematics (AREA)
  • Mechanical Engineering (AREA)
  • Geochemistry & Mineralogy (AREA)
  • Fluid Mechanics (AREA)
  • Earth Drilling (AREA)
  • Drilling Tools (AREA)
  • Perforating, Stamping-Out Or Severing By Means Other Than Cutting (AREA)
  • Paper (AREA)
  • Liquid Developers In Electrophotography (AREA)
  • Surgical Instruments (AREA)
  • Eye Examination Apparatus (AREA)
  • Pharmaceuticals Containing Other Organic And Inorganic Compounds (AREA)
AT86902940T 1985-04-25 1986-04-24 Bohrstiftanpassungsgeraet. ATE41468T1 (de)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US06/727,224 US4682662A (en) 1985-04-25 1985-04-25 Drill adapter
EP86902940A EP0221948B1 (de) 1985-04-25 1986-04-24 Bohrstiftanpassungsgerät
PCT/SE1986/000189 WO1986006435A1 (en) 1985-04-25 1986-04-24 A drill adapter

Publications (1)

Publication Number Publication Date
ATE41468T1 true ATE41468T1 (de) 1989-04-15

Family

ID=24921821

Family Applications (1)

Application Number Title Priority Date Filing Date
AT86902940T ATE41468T1 (de) 1985-04-25 1986-04-24 Bohrstiftanpassungsgeraet.

Country Status (11)

Country Link
US (1) US4682662A (de)
EP (1) EP0221948B1 (de)
JP (1) JPS62502556A (de)
KR (1) KR880700147A (de)
AT (1) ATE41468T1 (de)
AU (1) AU569658B2 (de)
DE (1) DE3662416D1 (de)
DK (1) DK626786A (de)
FI (1) FI865308A7 (de)
NO (1) NO865271L (de)
WO (1) WO1986006435A1 (de)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
SE460300B (sv) * 1986-10-03 1989-09-25 Loevab Loef Och Oestlund Ab Roterbart borrverktyg med upprymningsdel till en saenkborrmaskin

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1754830A (en) * 1926-11-20 1930-04-15 John W Macclatchie Underreamer
US1745650A (en) * 1927-10-19 1930-02-04 Grant John Expanding roller underreamer
GB963670A (en) * 1962-03-01 1964-07-15 Skanska Cementgjuteriet Ab Improvements in or relating to deep drills
US3277972A (en) * 1962-07-09 1966-10-11 Atlas Copco Ab Rock drilling equipment
US3416616A (en) * 1967-03-01 1968-12-17 Skanska Cementgjuteriet Ab Deep drills with eccentric bits
SE325005B (de) * 1968-10-16 1970-06-22 Atlas Copco Ab
BE795205A (fr) * 1972-02-10 1973-05-29 Atlas Copco Ab Procede et appareillage pour le forage rotatif
SE367040B (de) * 1972-05-03 1974-05-13 Stabilator Ab
SE421551B (sv) * 1980-03-26 1982-01-04 Sandvik Ab Borrverktyg for rotations- och/eller slagborrning

Also Published As

Publication number Publication date
DK626786D0 (da) 1986-12-23
FI865308L (fi) 1986-12-23
US4682662A (en) 1987-07-28
NO865271D0 (no) 1986-12-23
WO1986006435A1 (en) 1986-11-06
KR880700147A (ko) 1988-02-20
DE3662416D1 (en) 1989-04-20
EP0221948B1 (de) 1989-03-15
AU569658B2 (en) 1988-02-11
FI865308A0 (fi) 1986-12-23
NO865271L (no) 1987-02-19
EP0221948A1 (de) 1987-05-20
JPS62502556A (ja) 1987-10-01
DK626786A (da) 1986-12-23
FI865308A7 (fi) 1986-12-23
AU5779486A (en) 1986-11-18

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Legal Events

Date Code Title Description
RER Ceased as to paragraph 5 lit. 3 law introducing patent treaties