JPH057358Y2 - - Google Patents

Info

Publication number
JPH057358Y2
JPH057358Y2 JP1987133492U JP13349287U JPH057358Y2 JP H057358 Y2 JPH057358 Y2 JP H057358Y2 JP 1987133492 U JP1987133492 U JP 1987133492U JP 13349287 U JP13349287 U JP 13349287U JP H057358 Y2 JPH057358 Y2 JP H057358Y2
Authority
JP
Japan
Prior art keywords
tube
pipe
stepped
outer diameter
protective wall
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 - Lifetime
Application number
JP1987133492U
Other languages
English (en)
Japanese (ja)
Other versions
JPS6437596U (en]
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 JP1987133492U priority Critical patent/JPH057358Y2/ja
Publication of JPS6437596U publication Critical patent/JPS6437596U/ja
Application granted granted Critical
Publication of JPH057358Y2 publication Critical patent/JPH057358Y2/ja
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Landscapes

  • Excavating Of Shafts Or Tunnels (AREA)
JP1987133492U 1987-09-01 1987-09-01 Expired - Lifetime JPH057358Y2 (en])

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP1987133492U JPH057358Y2 (en]) 1987-09-01 1987-09-01

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP1987133492U JPH057358Y2 (en]) 1987-09-01 1987-09-01

Publications (2)

Publication Number Publication Date
JPS6437596U JPS6437596U (en]) 1989-03-07
JPH057358Y2 true JPH057358Y2 (en]) 1993-02-24

Family

ID=31391400

Family Applications (1)

Application Number Title Priority Date Filing Date
JP1987133492U Expired - Lifetime JPH057358Y2 (en]) 1987-09-01 1987-09-01

Country Status (1)

Country Link
JP (1) JPH057358Y2 (en])

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6088190U (ja) * 1983-11-24 1985-06-17 日本電信電話株式会社 推進工法の埋設管の継手装置
JPH0410319Y2 (en]) * 1985-10-07 1992-03-13

Also Published As

Publication number Publication date
JPS6437596U (en]) 1989-03-07

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