JPH0115454Y2 - - Google Patents

Info

Publication number
JPH0115454Y2
JPH0115454Y2 JP14326683U JP14326683U JPH0115454Y2 JP H0115454 Y2 JPH0115454 Y2 JP H0115454Y2 JP 14326683 U JP14326683 U JP 14326683U JP 14326683 U JP14326683 U JP 14326683U JP H0115454 Y2 JPH0115454 Y2 JP H0115454Y2
Authority
JP
Japan
Prior art keywords
operating rod
cylinder
pipe
chip discharge
inner cylinder
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
JP14326683U
Other languages
English (en)
Japanese (ja)
Other versions
JPS6053411U (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 JP14326683U priority Critical patent/JPS6053411U/ja
Publication of JPS6053411U publication Critical patent/JPS6053411U/ja
Application granted granted Critical
Publication of JPH0115454Y2 publication Critical patent/JPH0115454Y2/ja
Granted legal-status Critical Current

Links

Landscapes

  • Drilling And Boring (AREA)
JP14326683U 1983-09-17 1983-09-17 不断水穿孔工事に使用される切屑排出補助装置 Granted JPS6053411U (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP14326683U JPS6053411U (ja) 1983-09-17 1983-09-17 不断水穿孔工事に使用される切屑排出補助装置

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP14326683U JPS6053411U (ja) 1983-09-17 1983-09-17 不断水穿孔工事に使用される切屑排出補助装置

Publications (2)

Publication Number Publication Date
JPS6053411U JPS6053411U (ja) 1985-04-15
JPH0115454Y2 true JPH0115454Y2 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) 1989-05-09

Family

ID=30319843

Family Applications (1)

Application Number Title Priority Date Filing Date
JP14326683U Granted JPS6053411U (ja) 1983-09-17 1983-09-17 不断水穿孔工事に使用される切屑排出補助装置

Country Status (1)

Country Link
JP (1) JPS6053411U (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP4043128A4 (en) * 2019-10-11 2023-10-18 Cosmo Koki Co., Ltd. CONDUIT DRILLING DEVICE

Also Published As

Publication number Publication date
JPS6053411U (ja) 1985-04-15

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