DE8801012U1 - Rammbohrgerät - Google Patents

Rammbohrgerät

Info

Publication number
DE8801012U1
DE8801012U1 DE8801012U DE8801012U DE8801012U1 DE 8801012 U1 DE8801012 U1 DE 8801012U1 DE 8801012 U DE8801012 U DE 8801012U DE 8801012 U DE8801012 U DE 8801012U DE 8801012 U1 DE8801012 U1 DE 8801012U1
Authority
DE
Germany
Prior art keywords
percussion piston
drive pressure
pressure chamber
piston
housing
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
DE8801012U
Other languages
German (de)
English (en)
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
Priority to DE8801012U priority Critical patent/DE8801012U1/de
Publication of DE8801012U1 publication Critical patent/DE8801012U1/de
Priority to EP88118941A priority patent/EP0325715A3/de
Expired legal-status Critical Current

Links

Classifications

    • EFIXED CONSTRUCTIONS
    • E21EARTH OR ROCK DRILLING; MINING
    • E21BEARTH OR ROCK DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
    • E21B4/00Drives for drilling, used in the borehole
    • E21B4/06Down-hole impacting means, e.g. hammers
    • E21B4/14Fluid operated hammers
    • E21B4/145Fluid 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)
DE8801012U 1988-01-28 1988-01-28 Rammbohrgerät Expired DE8801012U1 (de)

Priority Applications (2)

Application Number Priority Date Filing Date Title
DE8801012U DE8801012U1 (de) 1988-01-28 1988-01-28 Rammbohrgerät
EP88118941A EP0325715A3 (de) 1988-01-28 1988-11-14 Rammbohrgerät

Applications Claiming Priority (1)

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

Publications (1)

Publication Number Publication Date
DE8801012U1 true DE8801012U1 (de) 1988-03-10

Family

ID=6820047

Family Applications (1)

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

Country Status (2)

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

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
US7111695B2 (en) 2000-12-02 2006-09-26 Tracto-Technik Gmbh Pneumatic rock-boring device and method for horizontal drilling using compressed air and drilling medium

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
AT337763B (de) * 1974-06-14 1977-07-25 Inst Gornogo Dela Sibirskogo O Pneumatische schlagvorrichtung
DE2750603A1 (de) * 1977-11-14 1979-05-17 Inst Gornogo Dela Sibirskogo O Schlagwerk
GB8611289D0 (en) * 1986-05-09 1986-06-18 Fuller J D Percussive pneumatic apparatus

Also Published As

Publication number Publication date
EP0325715A2 (de) 1989-08-02
EP0325715A3 (de) 1990-05-09

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