JPH02139998U - - Google Patents

Info

Publication number
JPH02139998U
JPH02139998U JP4894789U JP4894789U JPH02139998U JP H02139998 U JPH02139998 U JP H02139998U JP 4894789 U JP4894789 U JP 4894789U JP 4894789 U JP4894789 U JP 4894789U JP H02139998 U JPH02139998 U JP H02139998U
Authority
JP
Japan
Prior art keywords
bits
cutter
earth pressure
cutter head
pressure type
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
JP4894789U
Other languages
English (en)
Japanese (ja)
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 JP4894789U priority Critical patent/JPH02139998U/ja
Publication of JPH02139998U publication Critical patent/JPH02139998U/ja
Pending legal-status Critical Current

Links

Landscapes

  • Excavating Of Shafts Or Tunnels (AREA)
JP4894789U 1989-04-26 1989-04-26 Pending JPH02139998U (enExample)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP4894789U JPH02139998U (enExample) 1989-04-26 1989-04-26

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP4894789U JPH02139998U (enExample) 1989-04-26 1989-04-26

Publications (1)

Publication Number Publication Date
JPH02139998U true JPH02139998U (enExample) 1990-11-22

Family

ID=31566211

Family Applications (1)

Application Number Title Priority Date Filing Date
JP4894789U Pending JPH02139998U (enExample) 1989-04-26 1989-04-26

Country Status (1)

Country Link
JP (1) JPH02139998U (enExample)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2014145177A (ja) * 2013-01-29 2014-08-14 Mitsubishi Heavy Industries Mechatronics Systems Ltd トンネル掘削機及び該トンネル掘削機による立坑掘削工法

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5850297A (ja) * 1981-09-22 1983-03-24 日立建機株式会社 シ−ルド掘進機

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5850297A (ja) * 1981-09-22 1983-03-24 日立建機株式会社 シ−ルド掘進機

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2014145177A (ja) * 2013-01-29 2014-08-14 Mitsubishi Heavy Industries Mechatronics Systems Ltd トンネル掘削機及び該トンネル掘削機による立坑掘削工法

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