EP0325715A3 - Mouton de forage - Google Patents

Mouton de forage Download PDF

Info

Publication number
EP0325715A3
EP0325715A3 EP88118941A EP88118941A EP0325715A3 EP 0325715 A3 EP0325715 A3 EP 0325715A3 EP 88118941 A EP88118941 A EP 88118941A EP 88118941 A EP88118941 A EP 88118941A EP 0325715 A3 EP0325715 A3 EP 0325715A3
Authority
EP
European Patent Office
Prior art keywords
piston
percussion piston
drive pressure
pressure chamber
channel
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Withdrawn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
EP88118941A
Other languages
German (de)
English (en)
Other versions
EP0325715A2 (fr
Inventor
Helmuth Römer
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.)
Individual
Original Assignee
Individual
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 Individual filed Critical Individual
Publication of EP0325715A2 publication Critical patent/EP0325715A2/fr
Publication of EP0325715A3 publication Critical patent/EP0325715A3/fr
Withdrawn legal-status Critical Current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
    • E21B4/00—Drives for drilling, used in the borehole
    • E21B4/06—Down-hole impacting means, e.g. hammers
    • E21B4/14—Fluid operated hammers
    • E21B4/145—Fluid operated hammers of the self propelled-type, e.g. with a reverse mode to retract the device from the hole

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)
EP88118941A 1988-01-28 1988-11-14 Mouton de forage Withdrawn EP0325715A3 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE8801012U 1988-01-28
DE8801012U DE8801012U1 (de) 1988-01-28 1988-01-28 Rammbohrgerät

Publications (2)

Publication Number Publication Date
EP0325715A2 EP0325715A2 (fr) 1989-08-02
EP0325715A3 true EP0325715A3 (fr) 1990-05-09

Family

ID=6820047

Family Applications (1)

Application Number Title Priority Date Filing Date
EP88118941A Withdrawn EP0325715A3 (fr) 1988-01-28 1988-11-14 Mouton de forage

Country Status (2)

Country Link
EP (1) EP0325715A3 (fr)
DE (1) DE8801012U1 (fr)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5337837A (en) * 1993-06-17 1994-08-16 Earth Tool Corporation Dual-diameter pneumatic ground piercing tool
GB2389133B (en) * 2000-12-02 2005-01-05 Tracto Technik Pneumatic rock-drilling apparatus

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4070948A (en) * 1974-06-14 1978-01-31 Khaim Berkovich Tkach Pneumatic impact devices
US4248133A (en) * 1977-11-14 1981-02-03 Petukhov Vadim D Impact mechanism
GB2200185A (en) * 1986-05-09 1988-07-27 Jeremy Derek Fuller Pneumatic percussive device

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4070948A (en) * 1974-06-14 1978-01-31 Khaim Berkovich Tkach Pneumatic impact devices
US4248133A (en) * 1977-11-14 1981-02-03 Petukhov Vadim D Impact mechanism
GB2200185A (en) * 1986-05-09 1988-07-27 Jeremy Derek Fuller Pneumatic percussive device

Also Published As

Publication number Publication date
EP0325715A2 (fr) 1989-08-02
DE8801012U1 (de) 1988-03-10

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