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 (en
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

JP4434173A 1973-04-19 1973-04-19 Expired JPS5414422B2 (en)

Priority Applications (1)

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

Applications Claiming Priority (1)

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

Publications (2)

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

Family

ID=12688800

Family Applications (1)

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

Country Status (1)

Country Link
JP (1) JPS5414422B2 (en)

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 (en) * 2017-02-27 2020-07-15 川崎重工業株式会社 Tunnel excavator and cutter bit replacement method

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3334945A (en) * 1964-03-21 1967-08-08 Mott Hay & Anderson Tunnelling machine shield having fluid circulating bulkhead and rotary cuting head
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

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3334945A (en) * 1964-03-21 1967-08-08 Mott Hay & Anderson Tunnelling machine shield having fluid circulating bulkhead and rotary cuting head
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 (en) 1974-12-12

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