DK147714C - REVERSIBLE EARTH BATTLE - Google Patents

REVERSIBLE EARTH BATTLE

Info

Publication number
DK147714C
DK147714C DK215877A DK215877A DK147714C DK 147714 C DK147714 C DK 147714C DK 215877 A DK215877 A DK 215877A DK 215877 A DK215877 A DK 215877A DK 147714 C DK147714 C DK 147714C
Authority
DK
Denmark
Prior art keywords
reversible
battle
earth battle
reversible earth
earth
Prior art date
Application number
DK215877A
Other languages
Danish (da)
Other versions
DK215877A (en
DK147714B (en
Inventor
Khaim Berkovich Tkach
Alexandr Dmitrievich Kostylev
Vladimir Maximovich Terin
Konstantin Borisovich Skachkov
Alexei Danilovich Terskov
Mikhail Judkovich Bondar
Vladimir Fedorovich Drobyazko
Original Assignee
Inst Gornogo Dela Sibirskogo O
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 Inst Gornogo Dela Sibirskogo O filed Critical Inst Gornogo Dela Sibirskogo O
Publication of DK215877A publication Critical patent/DK215877A/en
Publication of DK147714B publication Critical patent/DK147714B/en
Application granted granted Critical
Publication of DK147714C publication Critical patent/DK147714C/en

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)
  • Geology (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Mining & Mineral Resources (AREA)
  • Physics & Mathematics (AREA)
  • Environmental & Geological Engineering (AREA)
  • Fluid Mechanics (AREA)
  • Mechanical Engineering (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Geochemistry & Mineralogy (AREA)
  • Earth Drilling (AREA)
  • Percussive Tools And Related Accessories (AREA)
  • Soil Working Implements (AREA)
  • Drilling And Exploitation, And Mining Machines And Methods (AREA)
DK215877A 1976-05-17 1977-05-17 REVERSIBLE EARTH BATTLE DK147714C (en)

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
SU2362865 1976-05-17
SU2362865 1976-05-17
SU2416534 1976-10-22
SU2416534 1976-10-22

Publications (3)

Publication Number Publication Date
DK215877A DK215877A (en) 1977-11-18
DK147714B DK147714B (en) 1984-11-19
DK147714C true DK147714C (en) 1985-08-26

Family

ID=26665582

Family Applications (1)

Application Number Title Priority Date Filing Date
DK215877A DK147714C (en) 1976-05-17 1977-05-17 REVERSIBLE EARTH BATTLE

Country Status (11)

Country Link
AT (1) AT347359B (en)
CH (1) CH621172A5 (en)
DE (1) DE2722298C3 (en)
DK (1) DK147714C (en)
FI (1) FI57159C (en)
FR (1) FR2352161A1 (en)
GB (1) GB1540344A (en)
IT (1) IT1118028B (en)
NL (1) NL168579C (en)
NO (1) NO151630C (en)
SE (1) SE423923B (en)

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2820785C2 (en) * 1978-05-12 1986-10-02 Paul 5940 Lennestadt Schmidt Valve control for ram drilling rigs
GB2111565B (en) * 1981-12-15 1985-10-02 British Telecomm Self propelled reversible boring ram
SU1250619A1 (en) * 1984-03-06 1986-08-15 Институт Горного Дела Со Ан Ссср Reversible pneumatic device for making holes in soil
GB2165279B (en) * 1984-10-03 1987-12-23 Inst Gornogo Dela Sibirskogo O Air-operated reversible percussive action machine
DE19617603C1 (en) * 1996-05-02 1997-09-18 Tracto Technik Reversible ram boring machine
DE102005055032B4 (en) * 2005-11-16 2011-04-21 Tracto-Technik Gmbh Rammbohrgerät with pneumatic reversal
AU2006314836B2 (en) 2005-11-16 2010-09-30 Tracto-Technik Gmbh Hammer drilling device with a pneumatic reversing gear

Also Published As

Publication number Publication date
SE7705846L (en) 1977-11-18
NL7705462A (en) 1977-11-21
SE423923B (en) 1982-06-14
CH621172A5 (en) 1981-01-15
AT347359B (en) 1978-12-27
FR2352161B1 (en) 1980-03-14
NL168579B (en) 1981-11-16
FI771563A (en) 1977-11-18
DE2722298A1 (en) 1978-04-06
NL168579C (en) 1982-04-16
FI57159B (en) 1980-02-29
FR2352161A1 (en) 1977-12-16
FI57159C (en) 1980-06-10
ATA353577A (en) 1978-04-15
GB1540344A (en) 1979-02-07
DK215877A (en) 1977-11-18
DE2722298B2 (en) 1979-10-11
IT1118028B (en) 1986-02-24
DE2722298C3 (en) 1980-06-19
NO151630C (en) 1985-05-08
NO151630B (en) 1985-01-28
DK147714B (en) 1984-11-19
NO771741L (en) 1977-11-18

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Legal Events

Date Code Title Description
PBP Patent lapsed