EP0204243A3 - Gesteinsschlagbohrer - Google Patents

Gesteinsschlagbohrer Download PDF

Info

Publication number
EP0204243A3
EP0204243A3 EP86107126A EP86107126A EP0204243A3 EP 0204243 A3 EP0204243 A3 EP 0204243A3 EP 86107126 A EP86107126 A EP 86107126A EP 86107126 A EP86107126 A EP 86107126A EP 0204243 A3 EP0204243 A3 EP 0204243A3
Authority
EP
European Patent Office
Prior art keywords
hole
debris
chippings
drill
drills
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.)
Withdrawn
Application number
EP86107126A
Other languages
English (en)
French (fr)
Other versions
EP0204243A2 (de
Inventor
John Arthur Hurt
John Callam Allan Templeton Brown
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.)
WEAVER AND HURT Ltd
Original Assignee
WEAVER AND HURT 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 WEAVER AND HURT Ltd filed Critical WEAVER AND HURT Ltd
Publication of EP0204243A2 publication Critical patent/EP0204243A2/de
Publication of EP0204243A3 publication Critical patent/EP0204243A3/de
Withdrawn legal-status Critical Current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
    • E21B21/00—Methods or apparatus for flushing boreholes, e.g. by use of exhaust air from motor
    • E21B21/12—Methods or apparatus for flushing boreholes, e.g. by use of exhaust air from motor using drilling pipes with plural fluid passages, e.g. closed circulation systems
    • 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
    • E21B4/00—Drives for drilling, used in the borehole
    • E21B4/06—Down-hole impacting means, e.g. hammers
    • E21B4/14—Fluid operated hammers

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)
  • Investigation Of Foundation Soil And Reinforcement Of Foundation Soil By Compacting Or Drainage (AREA)
EP86107126A 1985-06-07 1986-05-26 Gesteinsschlagbohrer Withdrawn EP0204243A3 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
GB8514505 1985-06-07
GB858514505A GB8514505D0 (en) 1985-06-07 1985-06-07 Rock drills

Publications (2)

Publication Number Publication Date
EP0204243A2 EP0204243A2 (de) 1986-12-10
EP0204243A3 true EP0204243A3 (de) 1988-07-27

Family

ID=10580386

Family Applications (1)

Application Number Title Priority Date Filing Date
EP86107126A Withdrawn EP0204243A3 (de) 1985-06-07 1986-05-26 Gesteinsschlagbohrer

Country Status (3)

Country Link
EP (1) EP0204243A3 (de)
AU (1) AU5805286A (de)
GB (2) GB8514505D0 (de)

Families Citing this family (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2215757B (en) * 1986-10-24 1990-05-30 William Lister A pneumatic percussion hammer
US4921056A (en) * 1987-04-23 1990-05-01 Ennis Melvyn S J Hammer drills for making boreholes
AU623434B2 (en) * 1988-09-22 1992-05-14 William Lister Improvements in pneumatic percussion hammers
US5139096A (en) * 1988-09-22 1992-08-18 William Lister Pneumatic percussion hammers
AU631220B2 (en) * 1989-06-19 1992-11-19 John Kitching Reverse circulation drilling apparatus
WO1991016521A1 (en) * 1990-04-19 1991-10-31 Werner Giehl Percussive drilling arrangement
US5685380A (en) * 1995-01-06 1997-11-11 Minroc Technical Promotions Limited Reverse circulation down-the-hole drill
IE80718B1 (en) * 1995-01-06 1998-12-30 Minroc Techn Promotions Ltd A reverse circulation down-the-hole drill
WO2023198568A1 (en) * 2022-04-13 2023-10-19 Sandvik Mining And Construction Oy Protective sleeve for percussive drilling assembly

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3934662A (en) * 1973-08-29 1976-01-27 Bakerdrill, Inc. Core bit
US3991834A (en) * 1975-07-07 1976-11-16 Curington Alfred R Sampling airhammer apparatus
US4321974A (en) * 1978-12-16 1982-03-30 Hydroc Gesteinsbohrtechnik Gmbh Annular drilling hammer
US4509606A (en) * 1980-10-29 1985-04-09 Walker-Neer Manufacturing Co., Inc. Axial return hammer

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1558974A1 (de) * 1967-09-26 1970-04-02 Grossbohrloch Und Spreng Unter Ringtieflochhammer

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3934662A (en) * 1973-08-29 1976-01-27 Bakerdrill, Inc. Core bit
US3991834A (en) * 1975-07-07 1976-11-16 Curington Alfred R Sampling airhammer apparatus
US4321974A (en) * 1978-12-16 1982-03-30 Hydroc Gesteinsbohrtechnik Gmbh Annular drilling hammer
US4509606A (en) * 1980-10-29 1985-04-09 Walker-Neer Manufacturing Co., Inc. Axial return hammer

Also Published As

Publication number Publication date
GB2175941A (en) 1986-12-10
GB8612767D0 (en) 1986-07-02
EP0204243A2 (de) 1986-12-10
AU5805286A (en) 1986-12-11
GB8514505D0 (en) 1985-07-10

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Effective date: 19890128

RIN1 Information on inventor provided before grant (corrected)

Inventor name: HURT, JOHN ARTHUR

Inventor name: TEMPLETON BROWN, JOHN CALLAM ALLAN