BE861182A - Door perslucht aangedreven bodemraket - Google Patents

Door perslucht aangedreven bodemraket

Info

Publication number
BE861182A
BE861182A BE2056459A BE2056459A BE861182A BE 861182 A BE861182 A BE 861182A BE 2056459 A BE2056459 A BE 2056459A BE 2056459 A BE2056459 A BE 2056459A BE 861182 A BE861182 A BE 861182A
Authority
BE
Belgium
Prior art keywords
racquet
air
powered bottom
powered
bottom racquet
Prior art date
Application number
BE2056459A
Other languages
English (en)
Dutch (nl)
Original Assignee
Winter Mathieu J
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 Winter Mathieu J filed Critical Winter Mathieu J
Publication of BE861182A publication Critical patent/BE861182A/xx

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)
  • Actuator (AREA)
BE2056459A 1977-11-04 1977-11-25 Door perslucht aangedreven bodemraket BE861182A (nl)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
AT790877 1977-11-04

Publications (1)

Publication Number Publication Date
BE861182A true BE861182A (nl) 1978-05-25

Family

ID=3600635

Family Applications (1)

Application Number Title Priority Date Filing Date
BE2056459A BE861182A (nl) 1977-11-04 1977-11-25 Door perslucht aangedreven bodemraket

Country Status (6)

Country Link
BE (1) BE861182A (fr)
DE (2) DE7800027U1 (fr)
ES (1) ES466320A1 (fr)
FR (1) FR2408016A1 (fr)
IT (1) IT1091744B (fr)
NL (1) NL7714592A (fr)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
SU1250619A1 (ru) * 1984-03-06 1986-08-15 Институт Горного Дела Со Ан Ссср Пневматическое реверсивное устройство дл образовани скважин в грунте
CH680937A5 (fr) * 1989-01-12 1992-12-15 Terra Ag Tiefbautechnik
US5172771A (en) * 1990-11-06 1992-12-22 Charles Machine Works, Inc. Reversible impact-operated boring tool

Also Published As

Publication number Publication date
IT1091744B (it) 1985-07-06
NL7714592A (nl) 1979-05-08
DE7800027U1 (de) 1978-04-20
FR2408016A1 (fr) 1979-06-01
DE2800050A1 (de) 1979-05-10
ES466320A1 (es) 1979-01-16
IT7819162A0 (it) 1978-01-11

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