JPS5890292U - 水平長距離削進工法における掘削ヘツド - Google Patents

水平長距離削進工法における掘削ヘツド

Info

Publication number
JPS5890292U
JPS5890292U JP16032781U JP16032781U JPS5890292U JP S5890292 U JPS5890292 U JP S5890292U JP 16032781 U JP16032781 U JP 16032781U JP 16032781 U JP16032781 U JP 16032781U JP S5890292 U JPS5890292 U JP S5890292U
Authority
JP
Japan
Prior art keywords
excavation
horizontal long
distance
head
drilling head
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.)
Granted
Application number
JP16032781U
Other languages
English (en)
Japanese (ja)
Other versions
JPS629436Y2 (enrdf_load_stackoverflow
Inventor
江藤　肇
児玉　清
大鹿　春郎
駿 佐々木
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.)
Tokyo Gas Co Ltd
Original Assignee
Tokyo Gas 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 Tokyo Gas Co Ltd filed Critical Tokyo Gas Co Ltd
Priority to JP16032781U priority Critical patent/JPS5890292U/ja
Publication of JPS5890292U publication Critical patent/JPS5890292U/ja
Application granted granted Critical
Publication of JPS629436Y2 publication Critical patent/JPS629436Y2/ja
Granted legal-status Critical Current

Links

Landscapes

  • Excavating Of Shafts Or Tunnels (AREA)
  • Earth Drilling (AREA)
JP16032781U 1981-10-29 1981-10-29 水平長距離削進工法における掘削ヘツド Granted JPS5890292U (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP16032781U JPS5890292U (ja) 1981-10-29 1981-10-29 水平長距離削進工法における掘削ヘツド

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP16032781U JPS5890292U (ja) 1981-10-29 1981-10-29 水平長距離削進工法における掘削ヘツド

Publications (2)

Publication Number Publication Date
JPS5890292U true JPS5890292U (ja) 1983-06-18
JPS629436Y2 JPS629436Y2 (enrdf_load_stackoverflow) 1987-03-04

Family

ID=29952741

Family Applications (1)

Application Number Title Priority Date Filing Date
JP16032781U Granted JPS5890292U (ja) 1981-10-29 1981-10-29 水平長距離削進工法における掘削ヘツド

Country Status (1)

Country Link
JP (1) JPS5890292U (enrdf_load_stackoverflow)

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5324129U (enrdf_load_stackoverflow) * 1976-08-09 1978-03-01
JPS5417627U (enrdf_load_stackoverflow) * 1977-07-06 1979-02-05
JPS54138409U (enrdf_load_stackoverflow) * 1978-03-20 1979-09-26

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5324129U (enrdf_load_stackoverflow) * 1976-08-09 1978-03-01
JPS5417627U (enrdf_load_stackoverflow) * 1977-07-06 1979-02-05
JPS54138409U (enrdf_load_stackoverflow) * 1978-03-20 1979-09-26

Also Published As

Publication number Publication date
JPS629436Y2 (enrdf_load_stackoverflow) 1987-03-04

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