DK215877A - Reversibelt jordlagbor - Google Patents

Reversibelt jordlagbor

Info

Publication number
DK215877A
DK215877A DK215877A DK215877A DK215877A DK 215877 A DK215877 A DK 215877A DK 215877 A DK215877 A DK 215877A DK 215877 A DK215877 A DK 215877A DK 215877 A DK215877 A DK 215877A
Authority
DK
Denmark
Prior art keywords
soil drill
reversible
reversible soil
drill
soil
Prior art date
Application number
DK215877A
Other languages
English (en)
Other versions
DK147714B (da
DK147714C (da
Inventor
K B Tkach
A D Kostylev
V M Terin
K B Skachkov
A D Terskov
M J Bondar
V F 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/da
Publication of DK147714B publication Critical patent/DK147714B/da
Application granted granted Critical
Publication of DK147714C publication Critical patent/DK147714C/da

Links

Classifications

    • E—FIXED CONSTRUCTIONS
    • E21—EARTH DRILLING; MINING
    • E21B—EARTH DRILLING, e.g. DEEP 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
DK215877A 1976-05-17 1977-05-17 Reversibelt jordslagbor DK147714C (da)

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 true DK215877A (da) 1977-11-18
DK147714B DK147714B (da) 1984-11-19
DK147714C DK147714C (da) 1985-08-26

Family

ID=26665582

Family Applications (1)

Application Number Title Priority Date Filing Date
DK215877A DK147714C (da) 1976-05-17 1977-05-17 Reversibelt jordslagbor

Country Status (11)

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

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2820785C2 (de) * 1978-05-12 1986-10-02 Paul 5940 Lennestadt Schmidt Ventilsteuerung für Rammbohrgeräte
GB2111565B (en) * 1981-12-15 1985-10-02 British Telecomm Self propelled reversible boring ram
SU1250619A1 (ru) * 1984-03-06 1986-08-15 Институт Горного Дела Со Ан Ссср Пневматическое реверсивное устройство дл образовани скважин в грунте
GB2165279B (en) * 1984-10-03 1987-12-23 Inst Gornogo Dela Sibirskogo O Air-operated reversible percussive action machine
DE19617603C1 (de) * 1996-05-02 1997-09-18 Tracto Technik Umsteuerbares Rammbohrgerät
WO2007057055A1 (de) 2005-11-16 2007-05-24 Tracto-Technik Gmbh Rammbohrgerät mit pneumatischer umsteuerung
DE102005055032B4 (de) * 2005-11-16 2011-04-21 Tracto-Technik Gmbh Rammbohrgerät mit pneumatischer Umsteuerung

Also Published As

Publication number Publication date
ATA353577A (de) 1978-04-15
FR2352161B1 (da) 1980-03-14
NL168579B (nl) 1981-11-16
DE2722298C3 (de) 1980-06-19
FI57159C (fi) 1980-06-10
CH621172A5 (en) 1981-01-15
SE7705846L (sv) 1977-11-18
DE2722298A1 (de) 1978-04-06
NO771741L (no) 1977-11-18
NL7705462A (nl) 1977-11-21
SE423923B (sv) 1982-06-14
NO151630B (no) 1985-01-28
DE2722298B2 (de) 1979-10-11
NO151630C (no) 1985-05-08
DK147714B (da) 1984-11-19
FR2352161A1 (fr) 1977-12-16
FI57159B (fi) 1980-02-29
NL168579C (nl) 1982-04-16
DK147714C (da) 1985-08-26
IT1118028B (it) 1986-02-24
GB1540344A (en) 1979-02-07
AT347359B (de) 1978-12-27
FI771563A (da) 1977-11-18

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Legal Events

Date Code Title Description
PBP Patent lapsed