JPH0312926U - - Google Patents

Info

Publication number
JPH0312926U
JPH0312926U JP7073289U JP7073289U JPH0312926U JP H0312926 U JPH0312926 U JP H0312926U JP 7073289 U JP7073289 U JP 7073289U JP 7073289 U JP7073289 U JP 7073289U JP H0312926 U JPH0312926 U JP H0312926U
Authority
JP
Japan
Prior art keywords
air nozzle
drilling
pipe
drilling bit
tip
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.)
Pending
Application number
JP7073289U
Other languages
English (en)
Japanese (ja)
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 filed Critical
Priority to JP7073289U priority Critical patent/JPH0312926U/ja
Publication of JPH0312926U publication Critical patent/JPH0312926U/ja
Pending legal-status Critical Current

Links

Landscapes

  • Piles And Underground Anchors (AREA)
JP7073289U 1989-06-19 1989-06-19 Pending JPH0312926U (da)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP7073289U JPH0312926U (da) 1989-06-19 1989-06-19

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP7073289U JPH0312926U (da) 1989-06-19 1989-06-19

Publications (1)

Publication Number Publication Date
JPH0312926U true JPH0312926U (da) 1991-02-08

Family

ID=31607139

Family Applications (1)

Application Number Title Priority Date Filing Date
JP7073289U Pending JPH0312926U (da) 1989-06-19 1989-06-19

Country Status (1)

Country Link
JP (1) JPH0312926U (da)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2021014740A (ja) * 2019-07-16 2021-02-12 石油資源開発株式会社 ベンチュリ効果を利用した高圧水ジェット噴射装置

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2021014740A (ja) * 2019-07-16 2021-02-12 石油資源開発株式会社 ベンチュリ効果を利用した高圧水ジェット噴射装置

Similar Documents

Publication Publication Date Title
JPH0312926U (da)
JPH0324712Y2 (da)
JPH0560040B2 (da)
JPH0449275Y2 (da)
KR960006345Y1 (ko) 굴착용 원주관형 케이싱의 함마비트구조
JPS632544Y2 (da)
JPS62190790U (da)
JPS61106537U (da)
JPH0284889U (da)
JPH0324708Y2 (da)
JPH032095U (da)
JPS6419695U (da)
JPS6238949U (da)
JPH0433792U (da)
JPS61169190U (da)
JPS6376100U (da)
JPS6285592U (da)
JPS62181696U (da)
JPS6238994U (da)
JPS62172793U (da)
JPH0278687U (da)
JPH0190832U (da)
JPS62133792U (da)
JPH0393895U (da)
JPH02120594U (da)