JPH0412439Y2 - - Google Patents

Info

Publication number
JPH0412439Y2
JPH0412439Y2 JP16884785U JP16884785U JPH0412439Y2 JP H0412439 Y2 JPH0412439 Y2 JP H0412439Y2 JP 16884785 U JP16884785 U JP 16884785U JP 16884785 U JP16884785 U JP 16884785U JP H0412439 Y2 JPH0412439 Y2 JP H0412439Y2
Authority
JP
Japan
Prior art keywords
ring
steel pipe
cover
center ring
center
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
JP16884785U
Other languages
English (en)
Japanese (ja)
Other versions
JPS6276638U (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html
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 JP16884785U priority Critical patent/JPH0412439Y2/ja
Publication of JPS6276638U publication Critical patent/JPS6276638U/ja
Application granted granted Critical
Publication of JPH0412439Y2 publication Critical patent/JPH0412439Y2/ja
Expired legal-status Critical Current

Links

Landscapes

  • Examining Or Testing Airtightness (AREA)
  • Non-Disconnectible Joints And Screw-Threaded Joints (AREA)
JP16884785U 1985-11-01 1985-11-01 Expired JPH0412439Y2 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP16884785U JPH0412439Y2 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) 1985-11-01 1985-11-01

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP16884785U JPH0412439Y2 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) 1985-11-01 1985-11-01

Publications (2)

Publication Number Publication Date
JPS6276638U JPS6276638U (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) 1987-05-16
JPH0412439Y2 true JPH0412439Y2 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) 1992-03-25

Family

ID=31102105

Family Applications (1)

Application Number Title Priority Date Filing Date
JP16884785U Expired JPH0412439Y2 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) 1985-11-01 1985-11-01

Country Status (1)

Country Link
JP (1) JPH0412439Y2 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)

Also Published As

Publication number Publication date
JPS6276638U (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) 1987-05-16

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