JPS6431194U - - Google Patents

Info

Publication number
JPS6431194U
JPS6431194U JP12638887U JP12638887U JPS6431194U JP S6431194 U JPS6431194 U JP S6431194U JP 12638887 U JP12638887 U JP 12638887U JP 12638887 U JP12638887 U JP 12638887U JP S6431194 U JPS6431194 U JP S6431194U
Authority
JP
Japan
Prior art keywords
spokes
outer ring
bits
contracted
telescopic
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
JP12638887U
Other languages
English (en)
Japanese (ja)
Other versions
JPH0526156Y2 (enrdf_load_html_response
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 JP12638887U priority Critical patent/JPH0526156Y2/ja
Publication of JPS6431194U publication Critical patent/JPS6431194U/ja
Application granted granted Critical
Publication of JPH0526156Y2 publication Critical patent/JPH0526156Y2/ja
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Landscapes

  • Excavating Of Shafts Or Tunnels (AREA)
JP12638887U 1987-08-21 1987-08-21 Expired - Lifetime JPH0526156Y2 (enrdf_load_html_response)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP12638887U JPH0526156Y2 (enrdf_load_html_response) 1987-08-21 1987-08-21

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP12638887U JPH0526156Y2 (enrdf_load_html_response) 1987-08-21 1987-08-21

Publications (2)

Publication Number Publication Date
JPS6431194U true JPS6431194U (enrdf_load_html_response) 1989-02-27
JPH0526156Y2 JPH0526156Y2 (enrdf_load_html_response) 1993-07-01

Family

ID=31377868

Family Applications (1)

Application Number Title Priority Date Filing Date
JP12638887U Expired - Lifetime JPH0526156Y2 (enrdf_load_html_response) 1987-08-21 1987-08-21

Country Status (1)

Country Link
JP (1) JPH0526156Y2 (enrdf_load_html_response)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH03132595A (ja) * 1989-10-17 1991-06-05 Kawasaki Heavy Ind Ltd シールド掘進機を用いるトンネル連結方法
JPH03122197U (enrdf_load_html_response) * 1990-03-23 1991-12-13

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH03132595A (ja) * 1989-10-17 1991-06-05 Kawasaki Heavy Ind Ltd シールド掘進機を用いるトンネル連結方法
JPH03122197U (enrdf_load_html_response) * 1990-03-23 1991-12-13

Also Published As

Publication number Publication date
JPH0526156Y2 (enrdf_load_html_response) 1993-07-01

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