JPS6339760B2 - - Google Patents

Info

Publication number
JPS6339760B2
JPS6339760B2 JP56115866A JP11586681A JPS6339760B2 JP S6339760 B2 JPS6339760 B2 JP S6339760B2 JP 56115866 A JP56115866 A JP 56115866A JP 11586681 A JP11586681 A JP 11586681A JP S6339760 B2 JPS6339760 B2 JP S6339760B2
Authority
JP
Japan
Prior art keywords
drilling device
striking
ram
slope
guide
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
JP56115866A
Other languages
English (en)
Japanese (ja)
Other versions
JPS5754692A (en
Inventor
Shumitsuto Pauru
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
Publication of JPS5754692A publication Critical patent/JPS5754692A/ja
Publication of JPS6339760B2 publication Critical patent/JPS6339760B2/ja
Granted legal-status Critical Current

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
    • E21B7/00—Special methods or apparatus for drilling
    • E21B7/26—Drilling without earth removal, e.g. with self-propelled burrowing devices
    • 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
    • E21B10/00—Drill bits
    • E21B10/36—Percussion drill bits
    • E21B10/40—Percussion drill bits with leading portion
JP56115866A 1980-07-24 1981-07-23 Automatically propelling ram drill Granted JPS5754692A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE19803027990 DE3027990A1 (de) 1980-07-24 1980-07-24 Selbstgetriebenes rammbohrgeraet

Publications (2)

Publication Number Publication Date
JPS5754692A JPS5754692A (en) 1982-04-01
JPS6339760B2 true JPS6339760B2 (ko) 1988-08-08

Family

ID=6107961

Family Applications (1)

Application Number Title Priority Date Filing Date
JP56115866A Granted JPS5754692A (en) 1980-07-24 1981-07-23 Automatically propelling ram drill

Country Status (2)

Country Link
JP (1) JPS5754692A (ko)
DE (1) DE3027990A1 (ko)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
AU578637B2 (en) * 1983-12-03 1988-11-03 N.L. Petroleum Products Ltd. Rotary drill bits and cutting elements for such bits
DE3687855T2 (de) * 1985-04-05 1993-07-01 Gas Res Inst Fuehrungs- und steuerungssystem fuer schlagbohrwerkzeuge.
JPH0260655A (ja) * 1988-08-26 1990-03-01 Mitsubishi Electric Corp 血液保存装置
DE3911467A1 (de) * 1989-04-08 1990-10-11 Tracto Technik Selbstantreibbares rammbohrgeraet, insbesondere fuer die herstellung von rohrfoermigen erdbohrungen
DE9002368U1 (ko) * 1990-03-01 1991-01-03 Bilfinger + Berger Bauaktiengesellschaft, 6800 Mannheim, De

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2242605C3 (de) * 1972-08-30 1984-06-07 Paul 5940 Lennestadt Schmidt Rammbohrgeräte

Also Published As

Publication number Publication date
DE3027990A1 (de) 1982-03-04
JPS5754692A (en) 1982-04-01
DE3027990C2 (ko) 1988-08-04

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