JPS63185895U - - Google Patents

Info

Publication number
JPS63185895U
JPS63185895U JP7502987U JP7502987U JPS63185895U JP S63185895 U JPS63185895 U JP S63185895U JP 7502987 U JP7502987 U JP 7502987U JP 7502987 U JP7502987 U JP 7502987U JP S63185895 U JPS63185895 U JP S63185895U
Authority
JP
Japan
Prior art keywords
connecting part
rod
fluid
outer peripheral
peripheral surface
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
JP7502987U
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 JP7502987U priority Critical patent/JPS63185895U/ja
Publication of JPS63185895U publication Critical patent/JPS63185895U/ja
Pending legal-status Critical Current

Links

Landscapes

  • Earth Drilling (AREA)
JP7502987U 1987-05-19 1987-05-19 Pending JPS63185895U (enrdf_load_stackoverflow)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP7502987U JPS63185895U (enrdf_load_stackoverflow) 1987-05-19 1987-05-19

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP7502987U JPS63185895U (enrdf_load_stackoverflow) 1987-05-19 1987-05-19

Publications (1)

Publication Number Publication Date
JPS63185895U true JPS63185895U (enrdf_load_stackoverflow) 1988-11-29

Family

ID=30920801

Family Applications (1)

Application Number Title Priority Date Filing Date
JP7502987U Pending JPS63185895U (enrdf_load_stackoverflow) 1987-05-19 1987-05-19

Country Status (1)

Country Link
JP (1) JPS63185895U (enrdf_load_stackoverflow)

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5792293A (en) * 1980-11-28 1982-06-08 Masaomi Kawamorita Extension rod connector for rock drill

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5792293A (en) * 1980-11-28 1982-06-08 Masaomi Kawamorita Extension rod connector for rock drill

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