JPS5414422B2 - - Google Patents

Info

Publication number
JPS5414422B2
JPS5414422B2 JP4434173A JP4434173A JPS5414422B2 JP S5414422 B2 JPS5414422 B2 JP S5414422B2 JP 4434173 A JP4434173 A JP 4434173A JP 4434173 A JP4434173 A JP 4434173A JP S5414422 B2 JPS5414422 B2 JP S5414422B2
Authority
JP
Japan
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
JP4434173A
Other languages
Japanese (ja)
Other versions
JPS49130028A (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 JP4434173A priority Critical patent/JPS5414422B2/ja
Publication of JPS49130028A publication Critical patent/JPS49130028A/ja
Publication of JPS5414422B2 publication Critical patent/JPS5414422B2/ja
Expired legal-status Critical Current

Links

Landscapes

  • Excavating Of Shafts Or Tunnels (AREA)
JP4434173A 1973-04-19 1973-04-19 Expired JPS5414422B2 (enrdf_load_stackoverflow)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP4434173A JPS5414422B2 (enrdf_load_stackoverflow) 1973-04-19 1973-04-19

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP4434173A JPS5414422B2 (enrdf_load_stackoverflow) 1973-04-19 1973-04-19

Publications (2)

Publication Number Publication Date
JPS49130028A JPS49130028A (enrdf_load_stackoverflow) 1974-12-12
JPS5414422B2 true JPS5414422B2 (enrdf_load_stackoverflow) 1979-06-07

Family

ID=12688800

Family Applications (1)

Application Number Title Priority Date Filing Date
JP4434173A Expired JPS5414422B2 (enrdf_load_stackoverflow) 1973-04-19 1973-04-19

Country Status (1)

Country Link
JP (1) JPS5414422B2 (enrdf_load_stackoverflow)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS54158032A (en) * 1978-06-02 1979-12-13 Komatsu Mfg Co Ltd Shield excavator
JP6725439B2 (ja) * 2017-02-27 2020-07-15 川崎重工業株式会社 トンネル掘進機及びカッタービット交換方法

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1083322A (en) * 1964-03-21 1967-09-13 Mott Hay & Anderson Improvements in or relating to tunnelling apparatus and methods of tunnelling
US3480327A (en) * 1965-02-19 1969-11-25 Kumagai Gumi Co Ltd Excavation type shield with concentric rotary cutter barrels
US3561223A (en) * 1968-07-09 1971-02-09 John R Tabor Tunneling machine with concrete wall forming mechanism

Also Published As

Publication number Publication date
JPS49130028A (enrdf_load_stackoverflow) 1974-12-12

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