JPH0477115B2 - - Google Patents

Info

Publication number
JPH0477115B2
JPH0477115B2 JP63105456A JP10545688A JPH0477115B2 JP H0477115 B2 JPH0477115 B2 JP H0477115B2 JP 63105456 A JP63105456 A JP 63105456A JP 10545688 A JP10545688 A JP 10545688A JP H0477115 B2 JPH0477115 B2 JP H0477115B2
Authority
JP
Japan
Prior art keywords
kelly
drill rod
chain
guide frame
rod
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 - Lifetime
Application number
JP63105456A
Other languages
English (en)
Japanese (ja)
Other versions
JPH01278684A (ja
Inventor
Takumi Eguchi
Yasuhiro Umemoto
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 JPH01278684A (ja) 1989-11-09
JPH0477115B2 true 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)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP5520643B2 (ja) * 2010-03-16 2014-06-11 ハイテック株式会社 ボーリング方法及びボーリング装置

Also Published As

Publication number Publication date
JPH01278684A (ja) 1989-11-09

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