JPS5840154Y2 - 管埋設機の先導装置 - Google Patents

管埋設機の先導装置

Info

Publication number
JPS5840154Y2
JPS5840154Y2 JP671278U JP671278U JPS5840154Y2 JP S5840154 Y2 JPS5840154 Y2 JP S5840154Y2 JP 671278 U JP671278 U JP 671278U JP 671278 U JP671278 U JP 671278U JP S5840154 Y2 JPS5840154 Y2 JP S5840154Y2
Authority
JP
Japan
Prior art keywords
spherical surface
curvature centered
spherical
swing center
convex
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
Application number
JP671278U
Other languages
English (en)
Japanese (ja)
Other versions
JPS54113102U (enrdf_load_stackoverflow
Inventor
博 斎藤
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Komatsu Ltd
Original Assignee
Komatsu Ltd
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 by Komatsu Ltd filed Critical Komatsu Ltd
Priority to JP671278U priority Critical patent/JPS5840154Y2/ja
Publication of JPS54113102U publication Critical patent/JPS54113102U/ja
Application granted granted Critical
Publication of JPS5840154Y2 publication Critical patent/JPS5840154Y2/ja
Expired legal-status Critical Current

Links

Landscapes

  • Excavating Of Shafts Or Tunnels (AREA)
JP671278U 1978-01-25 1978-01-25 管埋設機の先導装置 Expired JPS5840154Y2 (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP671278U JPS5840154Y2 (ja) 1978-01-25 1978-01-25 管埋設機の先導装置

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP671278U JPS5840154Y2 (ja) 1978-01-25 1978-01-25 管埋設機の先導装置

Publications (2)

Publication Number Publication Date
JPS54113102U JPS54113102U (enrdf_load_stackoverflow) 1979-08-09
JPS5840154Y2 true JPS5840154Y2 (ja) 1983-09-09

Family

ID=28813768

Family Applications (1)

Application Number Title Priority Date Filing Date
JP671278U Expired JPS5840154Y2 (ja) 1978-01-25 1978-01-25 管埋設機の先導装置

Country Status (1)

Country Link
JP (1) JPS5840154Y2 (enrdf_load_stackoverflow)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS58204296A (ja) * 1982-11-30 1983-11-28 東邦地下工機株式会社 管の埋設方法及びそれに使用する掘削機
JPS63181887A (ja) * 1987-09-11 1988-07-27 東邦地下工機株式会社 管の埋設用堀削機

Also Published As

Publication number Publication date
JPS54113102U (enrdf_load_stackoverflow) 1979-08-09

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