EP0837214A3 - Foreuse à percussion - Google Patents

Foreuse à percussion Download PDF

Info

Publication number
EP0837214A3
EP0837214A3 EP97117438A EP97117438A EP0837214A3 EP 0837214 A3 EP0837214 A3 EP 0837214A3 EP 97117438 A EP97117438 A EP 97117438A EP 97117438 A EP97117438 A EP 97117438A EP 0837214 A3 EP0837214 A3 EP 0837214A3
Authority
EP
European Patent Office
Prior art keywords
percussion piston
flow
control
inner chamber
sleeve
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.)
Ceased
Application number
EP97117438A
Other languages
German (de)
English (en)
Other versions
EP0837214A2 (fr
Inventor
Ralf Buczeck
Hans-Philipp Walter
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 EP0837214A2 publication Critical patent/EP0837214A2/fr
Publication of EP0837214A3 publication Critical patent/EP0837214A3/fr
Ceased legal-status Critical Current

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B25—HAND TOOLS; PORTABLE POWER-DRIVEN TOOLS; MANIPULATORS
    • B25D—PERCUSSIVE TOOLS
    • B25D9/00—Portable percussive tools with fluid-pressure drive, i.e. driven directly by fluids, e.g. having several percussive tool bits operated simultaneously
    • B25D9/14—Control devices for the reciprocating piston
    • 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)
  • Physics & Mathematics (AREA)
  • Fluid Mechanics (AREA)
  • Mechanical Engineering (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Geology (AREA)
  • Mining & Mineral Resources (AREA)
  • Environmental & Geological Engineering (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Geochemistry & Mineralogy (AREA)
  • Earth Drilling (AREA)
EP97117438A 1996-10-18 1997-10-09 Foreuse à percussion Ceased EP0837214A3 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE29618066U 1996-10-18
DE29618066U DE29618066U1 (de) 1996-10-18 1996-10-18 Bohrhammer

Publications (2)

Publication Number Publication Date
EP0837214A2 EP0837214A2 (fr) 1998-04-22
EP0837214A3 true EP0837214A3 (fr) 1999-12-08

Family

ID=8030701

Family Applications (1)

Application Number Title Priority Date Filing Date
EP97117438A Ceased EP0837214A3 (fr) 1996-10-18 1997-10-09 Foreuse à percussion

Country Status (2)

Country Link
EP (1) EP0837214A3 (fr)
DE (1) DE29618066U1 (fr)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE29813825U1 (de) * 1998-08-03 1998-10-22 Walter Hans Philipp Bohrhammer
DE102005015886B4 (de) * 2005-04-06 2008-06-19 Hans-Philipp Walter Bohrhammer
RU2477778C2 (ru) * 2011-06-22 2013-03-20 Государственное образовательное учреждение высшего профессионального образования Новосибирский государственный архитектурно-строительный университет (Сибстрин) Пневматический ударный механизм
RU2477362C1 (ru) * 2011-06-23 2013-03-10 Государственное образовательное учреждение высшего профессионального образования Новосибирский государственный архитектурно-строительный университет (Сибстрин) Пневматический ударный механизм
CN112901063B (zh) * 2021-02-24 2022-09-06 重庆科技学院 一种射吸式钻井提速工具

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3806407A1 (de) * 1988-02-29 1989-09-07 Gkn Keller Gmbh Vorrichtung zur herstellung von durch zugabe von binde- oder abdichtmitteln verdichteten bodenabschnitten
EP0484672A1 (fr) * 1990-11-09 1992-05-13 PERMON, státni podnik Unité de forage pneumatique submersible
DE9319223U1 (de) * 1993-12-15 1994-02-24 Walter Hans Philipp Bohrhammer
US5562170A (en) * 1995-08-30 1996-10-08 Ingersoll-Rand Company Self-lubricating, fluid-actuated, percussive down-the-hole drill

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4054180A (en) 1976-02-09 1977-10-18 Reed Tool Company Impact drilling tool having a shuttle valve
DE9202336U1 (fr) 1992-02-22 1992-05-07 Walter, Hans-Philipp, 7102 Lehrensteinsfeld, De

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3806407A1 (de) * 1988-02-29 1989-09-07 Gkn Keller Gmbh Vorrichtung zur herstellung von durch zugabe von binde- oder abdichtmitteln verdichteten bodenabschnitten
EP0484672A1 (fr) * 1990-11-09 1992-05-13 PERMON, státni podnik Unité de forage pneumatique submersible
DE9319223U1 (de) * 1993-12-15 1994-02-24 Walter Hans Philipp Bohrhammer
US5562170A (en) * 1995-08-30 1996-10-08 Ingersoll-Rand Company Self-lubricating, fluid-actuated, percussive down-the-hole drill

Also Published As

Publication number Publication date
EP0837214A2 (fr) 1998-04-22
DE29618066U1 (de) 1996-12-19

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