JPS58149490U - タ−ボドリルの軸封装置 - Google Patents

タ−ボドリルの軸封装置

Info

Publication number
JPS58149490U
JPS58149490U JP4647682U JP4647682U JPS58149490U JP S58149490 U JPS58149490 U JP S58149490U JP 4647682 U JP4647682 U JP 4647682U JP 4647682 U JP4647682 U JP 4647682U JP S58149490 U JPS58149490 U JP S58149490U
Authority
JP
Japan
Prior art keywords
bit
shaft
oil
bearing
mud
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.)
Granted
Application number
JP4647682U
Other languages
English (en)
Japanese (ja)
Other versions
JPS6235741Y2 (cg-RX-API-DMAC7.html
Inventor
渕上　惣エ門
湯浅　公視
Original Assignee
石川島播磨重工業株式会社
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 石川島播磨重工業株式会社 filed Critical 石川島播磨重工業株式会社
Priority to JP4647682U priority Critical patent/JPS58149490U/ja
Publication of JPS58149490U publication Critical patent/JPS58149490U/ja
Application granted granted Critical
Publication of JPS6235741Y2 publication Critical patent/JPS6235741Y2/ja
Granted legal-status Critical Current

Links

Landscapes

  • Earth Drilling (AREA)
  • Sealing Devices (AREA)
JP4647682U 1982-03-31 1982-03-31 タ−ボドリルの軸封装置 Granted JPS58149490U (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP4647682U JPS58149490U (ja) 1982-03-31 1982-03-31 タ−ボドリルの軸封装置

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP4647682U JPS58149490U (ja) 1982-03-31 1982-03-31 タ−ボドリルの軸封装置

Publications (2)

Publication Number Publication Date
JPS58149490U true JPS58149490U (ja) 1983-10-07
JPS6235741Y2 JPS6235741Y2 (cg-RX-API-DMAC7.html) 1987-09-10

Family

ID=30057469

Family Applications (1)

Application Number Title Priority Date Filing Date
JP4647682U Granted JPS58149490U (ja) 1982-03-31 1982-03-31 タ−ボドリルの軸封装置

Country Status (1)

Country Link
JP (1) JPS58149490U (cg-RX-API-DMAC7.html)

Also Published As

Publication number Publication date
JPS6235741Y2 (cg-RX-API-DMAC7.html) 1987-09-10

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