JPH01278684A - 井戸掘機 - Google Patents

井戸掘機

Info

Publication number
JPH01278684A
JPH01278684A JP63105456A JP10545688A JPH01278684A JP H01278684 A JPH01278684 A JP H01278684A JP 63105456 A JP63105456 A JP 63105456A JP 10545688 A JP10545688 A JP 10545688A JP H01278684 A JPH01278684 A JP H01278684A
Authority
JP
Japan
Prior art keywords
drill rod
rod
chain
kelly
sprocket
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.)
Granted
Application number
JP63105456A
Other languages
English (en)
Japanese (ja)
Other versions
JPH0477115B2 (enrdf_load_stackoverflow
Inventor
Takumi Eguchi
江口　工
Yasuhiro Umemoto
梅本　保博
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.)
KOKEN KOGYO KK
Original Assignee
KOKEN KOGYO KK
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 KOKEN KOGYO KK filed Critical KOKEN KOGYO KK
Priority to JP63105456A priority Critical patent/JPH01278684A/ja
Publication of JPH01278684A publication Critical patent/JPH01278684A/ja
Publication of JPH0477115B2 publication Critical patent/JPH0477115B2/ja
Granted legal-status Critical Current

Links

Classifications

    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
    • Y02A20/00—Water conservation; Efficient water supply; Efficient water use

Landscapes

  • Earth Drilling (AREA)
JP63105456A 1988-04-30 1988-04-30 井戸掘機 Granted JPH01278684A (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP63105456A JPH01278684A (ja) 1988-04-30 1988-04-30 井戸掘機

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP63105456A JPH01278684A (ja) 1988-04-30 1988-04-30 井戸掘機

Publications (2)

Publication Number Publication Date
JPH01278684A true JPH01278684A (ja) 1989-11-09
JPH0477115B2 JPH0477115B2 (enrdf_load_stackoverflow) 1992-12-07

Family

ID=14408087

Family Applications (1)

Application Number Title Priority Date Filing Date
JP63105456A Granted JPH01278684A (ja) 1988-04-30 1988-04-30 井戸掘機

Country Status (1)

Country Link
JP (1) JPH01278684A (enrdf_load_stackoverflow)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2011190657A (ja) * 2010-03-16 2011-09-29 Hightech Kk ボーリング方法及びボーリング装置

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2011190657A (ja) * 2010-03-16 2011-09-29 Hightech Kk ボーリング方法及びボーリング装置

Also Published As

Publication number Publication date
JPH0477115B2 (enrdf_load_stackoverflow) 1992-12-07

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