JPH0312639B2 - - Google Patents

Info

Publication number
JPH0312639B2
JPH0312639B2 JP27435884A JP27435884A JPH0312639B2 JP H0312639 B2 JPH0312639 B2 JP H0312639B2 JP 27435884 A JP27435884 A JP 27435884A JP 27435884 A JP27435884 A JP 27435884A JP H0312639 B2 JPH0312639 B2 JP H0312639B2
Authority
JP
Japan
Prior art keywords
soil
head
excavation
head body
screw rod
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
JP27435884A
Other languages
English (en)
Japanese (ja)
Other versions
JPS61155595A (ja
Inventor
Koichi Mori
Kyoshi Kodama
Naoyuki Masuda
Masanori Hanada
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.)
JFE Engineering Corp
Tokyo Gas Co Ltd
Original Assignee
Tokyo Gas Co Ltd
Nippon Kokan 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 Tokyo Gas Co Ltd, Nippon Kokan Ltd filed Critical Tokyo Gas Co Ltd
Priority to JP27435884A priority Critical patent/JPS61155595A/ja
Publication of JPS61155595A publication Critical patent/JPS61155595A/ja
Publication of JPH0312639B2 publication Critical patent/JPH0312639B2/ja
Granted legal-status Critical Current

Links

Landscapes

  • Excavating Of Shafts Or Tunnels (AREA)
JP27435884A 1984-12-28 1984-12-28 非開削工法における掘削ヘツド Granted JPS61155595A (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP27435884A JPS61155595A (ja) 1984-12-28 1984-12-28 非開削工法における掘削ヘツド

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP27435884A JPS61155595A (ja) 1984-12-28 1984-12-28 非開削工法における掘削ヘツド

Publications (2)

Publication Number Publication Date
JPS61155595A JPS61155595A (ja) 1986-07-15
JPH0312639B2 true JPH0312639B2 (enrdf_load_stackoverflow) 1991-02-20

Family

ID=17540540

Family Applications (1)

Application Number Title Priority Date Filing Date
JP27435884A Granted JPS61155595A (ja) 1984-12-28 1984-12-28 非開削工法における掘削ヘツド

Country Status (1)

Country Link
JP (1) JPS61155595A (enrdf_load_stackoverflow)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6439497A (en) * 1987-08-04 1989-02-09 Tokyu Kensetsu Kk Reaming bit for propulsion

Also Published As

Publication number Publication date
JPS61155595A (ja) 1986-07-15

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