IT1091744B - PNEUMATIC CONTROL UNDERGROUND DRILLING POINT - Google Patents

PNEUMATIC CONTROL UNDERGROUND DRILLING POINT

Info

Publication number
IT1091744B
IT1091744B IT19162/78A IT1916278A IT1091744B IT 1091744 B IT1091744 B IT 1091744B IT 19162/78 A IT19162/78 A IT 19162/78A IT 1916278 A IT1916278 A IT 1916278A IT 1091744 B IT1091744 B IT 1091744B
Authority
IT
Italy
Prior art keywords
pneumatic control
drilling point
underground drilling
control underground
point
Prior art date
Application number
IT19162/78A
Other languages
Italian (it)
Other versions
IT7819162A0 (en
Original Assignee
Winter Mathieu Joseph
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 Joseph filed Critical Winter Mathieu Joseph
Publication of IT7819162A0 publication Critical patent/IT7819162A0/en
Application granted granted Critical
Publication of IT1091744B publication Critical patent/IT1091744B/en

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)
IT19162/78A 1977-11-04 1978-01-11 PNEUMATIC CONTROL UNDERGROUND DRILLING POINT IT1091744B (en)

Applications Claiming Priority (1)

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

Publications (2)

Publication Number Publication Date
IT7819162A0 IT7819162A0 (en) 1978-01-11
IT1091744B true IT1091744B (en) 1985-07-06

Family

ID=3600635

Family Applications (1)

Application Number Title Priority Date Filing Date
IT19162/78A IT1091744B (en) 1977-11-04 1978-01-11 PNEUMATIC CONTROL UNDERGROUND DRILLING POINT

Country Status (6)

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

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
SU1250619A1 (en) * 1984-03-06 1986-08-15 Институт Горного Дела Со Ан Ссср Reversible pneumatic device for making holes in soil
CH680937A5 (en) * 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
NL7714592A (en) 1979-05-08
BE861182A (en) 1978-05-25
IT7819162A0 (en) 1978-01-11
DE2800050A1 (en) 1979-05-10
ES466320A1 (en) 1979-01-16
FR2408016A1 (en) 1979-06-01
DE7800027U1 (en) 1978-04-20

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