JPH0426173Y2 - - Google Patents

Info

Publication number
JPH0426173Y2
JPH0426173Y2 JP1985094724U JP9472485U JPH0426173Y2 JP H0426173 Y2 JPH0426173 Y2 JP H0426173Y2 JP 1985094724 U JP1985094724 U JP 1985094724U JP 9472485 U JP9472485 U JP 9472485U JP H0426173 Y2 JPH0426173 Y2 JP H0426173Y2
Authority
JP
Japan
Prior art keywords
drill
hole
circumferential
tube
circumferential groove
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
JP1985094724U
Other languages
English (en)
Japanese (ja)
Other versions
JPS627314U (en]
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 JP1985094724U priority Critical patent/JPH0426173Y2/ja
Publication of JPS627314U publication Critical patent/JPS627314U/ja
Application granted granted Critical
Publication of JPH0426173Y2 publication Critical patent/JPH0426173Y2/ja
Expired legal-status Critical Current

Links

Landscapes

  • Drilling And Boring (AREA)
  • Drilling Tools (AREA)
JP1985094724U 1985-06-22 1985-06-22 Expired JPH0426173Y2 (en])

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP1985094724U JPH0426173Y2 (en]) 1985-06-22 1985-06-22

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP1985094724U JPH0426173Y2 (en]) 1985-06-22 1985-06-22

Publications (2)

Publication Number Publication Date
JPS627314U JPS627314U (en]) 1987-01-17
JPH0426173Y2 true JPH0426173Y2 (en]) 1992-06-24

Family

ID=30958474

Family Applications (1)

Application Number Title Priority Date Filing Date
JP1985094724U Expired JPH0426173Y2 (en]) 1985-06-22 1985-06-22

Country Status (1)

Country Link
JP (1) JPH0426173Y2 (en])

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP5432541B2 (ja) * 2009-02-03 2014-03-05 コマツＮｔｃ株式会社 タンクの孔開け装置
KR102548352B1 (ko) * 2021-10-22 2023-06-27 주식회사 강남기술공사 부단수 천공장치

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5278878U (en]) * 1975-12-11 1977-06-13

Also Published As

Publication number Publication date
JPS627314U (en]) 1987-01-17

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