JPS549410A - Excavator for method of propelling construction - Google Patents

Excavator for method of propelling construction

Info

Publication number
JPS549410A
JPS549410A JP7542177A JP7542177A JPS549410A JP S549410 A JPS549410 A JP S549410A JP 7542177 A JP7542177 A JP 7542177A JP 7542177 A JP7542177 A JP 7542177A JP S549410 A JPS549410 A JP S549410A
Authority
JP
Japan
Prior art keywords
excavator
propelling construction
propelling
construction
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.)
Pending
Application number
JP7542177A
Other languages
Japanese (ja)
Inventor
Yoshisuke Metsugi
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.)
Hitachi Construction Machinery Co Ltd
Original Assignee
Hitachi Construction Machinery Co 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 Hitachi Construction Machinery Co Ltd filed Critical Hitachi Construction Machinery Co Ltd
Priority to JP7542177A priority Critical patent/JPS549410A/en
Publication of JPS549410A publication Critical patent/JPS549410A/en
Pending legal-status Critical Current

Links

Landscapes

  • Excavating Of Shafts Or Tunnels (AREA)
JP7542177A 1977-06-23 1977-06-23 Excavator for method of propelling construction Pending JPS549410A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP7542177A JPS549410A (en) 1977-06-23 1977-06-23 Excavator for method of propelling construction

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP7542177A JPS549410A (en) 1977-06-23 1977-06-23 Excavator for method of propelling construction

Publications (1)

Publication Number Publication Date
JPS549410A true JPS549410A (en) 1979-01-24

Family

ID=13575702

Family Applications (1)

Application Number Title Priority Date Filing Date
JP7542177A Pending JPS549410A (en) 1977-06-23 1977-06-23 Excavator for method of propelling construction

Country Status (1)

Country Link
JP (1) JPS549410A (en)

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS63107691A (en) * 1986-10-24 1988-05-12 鉄建建設株式会社 Excavation diameter changer for shield excavator
JPH01260198A (en) * 1988-04-08 1989-10-17 Mitsubishi Kensetsu Kk Outer-diameter-variable manhole recovering-type semi-shielding machine and its propelling construction
JPH01284692A (en) * 1988-05-10 1989-11-15 Fujita Corp Split type semi-shield drilling machine
JPH03103395U (en) * 1990-02-09 1991-10-28
JP2007236104A (en) * 2006-03-01 2007-09-13 East Japan Railway Co Current collector with overload detector for railway vehicles

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS63107691A (en) * 1986-10-24 1988-05-12 鉄建建設株式会社 Excavation diameter changer for shield excavator
JPH01260198A (en) * 1988-04-08 1989-10-17 Mitsubishi Kensetsu Kk Outer-diameter-variable manhole recovering-type semi-shielding machine and its propelling construction
JPH01284692A (en) * 1988-05-10 1989-11-15 Fujita Corp Split type semi-shield drilling machine
JPH03103395U (en) * 1990-02-09 1991-10-28
JP2007236104A (en) * 2006-03-01 2007-09-13 East Japan Railway Co Current collector with overload detector for railway vehicles

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