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 (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 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 (enrdf_load_stackoverflow)

Priority Applications (1)

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

Applications Claiming Priority (1)

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

Publications (2)

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

Family

ID=31447503

Family Applications (1)

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

Country Status (1)

Country Link
JP (1) JPH0527593Y2 (enrdf_load_stackoverflow)

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 (enrdf_load_stackoverflow) 1993-07-14

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