JPH0220137U - - Google Patents

Info

Publication number
JPH0220137U
JPH0220137U JP9737988U JP9737988U JPH0220137U JP H0220137 U JPH0220137 U JP H0220137U JP 9737988 U JP9737988 U JP 9737988U JP 9737988 U JP9737988 U JP 9737988U JP H0220137 U JPH0220137 U JP H0220137U
Authority
JP
Japan
Prior art keywords
stopper
hose
main body
sealing air
expands
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
JP9737988U
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 JP9737988U priority Critical patent/JPH0220137U/ja
Publication of JPH0220137U publication Critical patent/JPH0220137U/ja
Pending legal-status Critical Current

Links

Landscapes

  • Examining Or Testing Airtightness (AREA)
JP9737988U 1988-07-25 1988-07-25 Pending JPH0220137U (US07345094-20080318-C00003.png)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP9737988U JPH0220137U (US07345094-20080318-C00003.png) 1988-07-25 1988-07-25

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP9737988U JPH0220137U (US07345094-20080318-C00003.png) 1988-07-25 1988-07-25

Publications (1)

Publication Number Publication Date
JPH0220137U true JPH0220137U (US07345094-20080318-C00003.png) 1990-02-09

Family

ID=31322795

Family Applications (1)

Application Number Title Priority Date Filing Date
JP9737988U Pending JPH0220137U (US07345094-20080318-C00003.png) 1988-07-25 1988-07-25

Country Status (1)

Country Link
JP (1) JPH0220137U (US07345094-20080318-C00003.png)

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5339515A (en) * 1976-09-22 1978-04-11 Hitachi Ltd Pressure proof blind structure
JPS5764137A (en) * 1980-10-08 1982-04-19 Tatsuo Ueda Method and device for measuring leakage of buried pipeline

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5339515A (en) * 1976-09-22 1978-04-11 Hitachi Ltd Pressure proof blind structure
JPS5764137A (en) * 1980-10-08 1982-04-19 Tatsuo Ueda Method and device for measuring leakage of buried pipeline

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