JPS63121692U - - Google Patents

Info

Publication number
JPS63121692U
JPS63121692U JP1200887U JP1200887U JPS63121692U JP S63121692 U JPS63121692 U JP S63121692U JP 1200887 U JP1200887 U JP 1200887U JP 1200887 U JP1200887 U JP 1200887U JP S63121692 U JPS63121692 U JP S63121692U
Authority
JP
Japan
Prior art keywords
pressing member
tubing
underground
seal ring
elastic seal
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
JP1200887U
Other languages
English (en)
Japanese (ja)
Other versions
JPH0315677Y2 (enrdf_load_stackoverflow
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 JP1200887U priority Critical patent/JPH0315677Y2/ja
Publication of JPS63121692U publication Critical patent/JPS63121692U/ja
Application granted granted Critical
Publication of JPH0315677Y2 publication Critical patent/JPH0315677Y2/ja
Expired legal-status Critical Current

Links

Landscapes

  • Earth Drilling (AREA)
JP1200887U 1987-01-28 1987-01-28 Expired JPH0315677Y2 (enrdf_load_stackoverflow)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP1200887U JPH0315677Y2 (enrdf_load_stackoverflow) 1987-01-28 1987-01-28

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP1200887U JPH0315677Y2 (enrdf_load_stackoverflow) 1987-01-28 1987-01-28

Publications (2)

Publication Number Publication Date
JPS63121692U true JPS63121692U (enrdf_load_stackoverflow) 1988-08-08
JPH0315677Y2 JPH0315677Y2 (enrdf_load_stackoverflow) 1991-04-04

Family

ID=30799738

Family Applications (1)

Application Number Title Priority Date Filing Date
JP1200887U Expired JPH0315677Y2 (enrdf_load_stackoverflow) 1987-01-28 1987-01-28

Country Status (1)

Country Link
JP (1) JPH0315677Y2 (enrdf_load_stackoverflow)

Also Published As

Publication number Publication date
JPH0315677Y2 (enrdf_load_stackoverflow) 1991-04-04

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