JPH0169898U - - Google Patents

Info

Publication number
JPH0169898U
JPH0169898U JP1987163091U JP16309187U JPH0169898U JP H0169898 U JPH0169898 U JP H0169898U JP 1987163091 U JP1987163091 U JP 1987163091U JP 16309187 U JP16309187 U JP 16309187U JP H0169898 U JPH0169898 U JP H0169898U
Authority
JP
Japan
Prior art keywords
transmission member
grooves
hydraulic jack
push ring
propulsion
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
JP1987163091U
Other languages
English (en)
Japanese (ja)
Other versions
JPH0527593Y2 (enExample
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 JP1987163091U priority Critical patent/JPH0527593Y2/ja
Publication of JPH0169898U publication Critical patent/JPH0169898U/ja
Application granted granted Critical
Publication of JPH0527593Y2 publication Critical patent/JPH0527593Y2/ja
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Landscapes

  • Excavating Of Shafts Or Tunnels (AREA)
JP1987163091U 1987-10-27 1987-10-27 Expired - Lifetime JPH0527593Y2 (enExample)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP1987163091U JPH0527593Y2 (enExample) 1987-10-27 1987-10-27

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP1987163091U JPH0527593Y2 (enExample) 1987-10-27 1987-10-27

Publications (2)

Publication Number Publication Date
JPH0169898U true JPH0169898U (enExample) 1989-05-09
JPH0527593Y2 JPH0527593Y2 (enExample) 1993-07-14

Family

ID=31447503

Family Applications (1)

Application Number Title Priority Date Filing Date
JP1987163091U Expired - Lifetime JPH0527593Y2 (enExample) 1987-10-27 1987-10-27

Country Status (1)

Country Link
JP (1) JPH0527593Y2 (enExample)

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS57104796A (en) * 1980-12-18 1982-06-29 Okumura Corp Propelling apparatus of tubular body

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS57104796A (en) * 1980-12-18 1982-06-29 Okumura Corp Propelling apparatus of tubular body

Also Published As

Publication number Publication date
JPH0527593Y2 (enExample) 1993-07-14

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