JPS633119B2 - - Google Patents

Info

Publication number
JPS633119B2
JPS633119B2 JP53125504A JP12550478A JPS633119B2 JP S633119 B2 JPS633119 B2 JP S633119B2 JP 53125504 A JP53125504 A JP 53125504A JP 12550478 A JP12550478 A JP 12550478A JP S633119 B2 JPS633119 B2 JP S633119B2
Authority
JP
Japan
Prior art keywords
scraper
bulkhead
cutter
shield
scraper box
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
JP53125504A
Other languages
English (en)
Japanese (ja)
Other versions
JPS5552500A (en
Inventor
Hiroshi Hoshina
Toshiaki Katagiri
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.)
NTT Inc
Original Assignee
Nippon Telegraph and Telephone Corp
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 Nippon Telegraph and Telephone Corp filed Critical Nippon Telegraph and Telephone Corp
Priority to JP12550478A priority Critical patent/JPS5552500A/ja
Publication of JPS5552500A publication Critical patent/JPS5552500A/ja
Publication of JPS633119B2 publication Critical patent/JPS633119B2/ja
Granted legal-status Critical Current

Links

Landscapes

  • Excavating Of Shafts Or Tunnels (AREA)
JP12550478A 1978-10-12 1978-10-12 Shielded excavation machine Granted JPS5552500A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP12550478A JPS5552500A (en) 1978-10-12 1978-10-12 Shielded excavation machine

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP12550478A JPS5552500A (en) 1978-10-12 1978-10-12 Shielded excavation machine

Publications (2)

Publication Number Publication Date
JPS5552500A JPS5552500A (en) 1980-04-16
JPS633119B2 true JPS633119B2 (cg-RX-API-DMAC7.html) 1988-01-21

Family

ID=14911747

Family Applications (1)

Application Number Title Priority Date Filing Date
JP12550478A Granted JPS5552500A (en) 1978-10-12 1978-10-12 Shielded excavation machine

Country Status (1)

Country Link
JP (1) JPS5552500A (cg-RX-API-DMAC7.html)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS57133697U (cg-RX-API-DMAC7.html) * 1981-02-13 1982-08-20

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5030373A (cg-RX-API-DMAC7.html) * 1973-07-20 1975-03-26

Also Published As

Publication number Publication date
JPS5552500A (en) 1980-04-16

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