JPS55132899A - Method of inserting largeediameter pipe into curved smallldiameter hole - Google Patents

Method of inserting largeediameter pipe into curved smallldiameter hole

Info

Publication number
JPS55132899A
JPS55132899A JP4028579A JP4028579A JPS55132899A JP S55132899 A JPS55132899 A JP S55132899A JP 4028579 A JP4028579 A JP 4028579A JP 4028579 A JP4028579 A JP 4028579A JP S55132899 A JPS55132899 A JP S55132899A
Authority
JP
Japan
Prior art keywords
smallldiameter
largeediameter
curved
pipe
hole
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
JP4028579A
Other languages
Japanese (ja)
Other versions
JPS6160238B2 (en
Inventor
Nobuo Miyajima
Kiyokatsu Hara
Yasuo Sasaki
Hisashi Hasegawa
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.)
Nippon Steel Corp
Original Assignee
Nippon Steel 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 Steel Corp filed Critical Nippon Steel Corp
Priority to JP4028579A priority Critical patent/JPS55132899A/en
Publication of JPS55132899A publication Critical patent/JPS55132899A/en
Publication of JPS6160238B2 publication Critical patent/JPS6160238B2/ja
Granted legal-status Critical Current

Links

JP4028579A 1979-04-05 1979-04-05 Method of inserting largeediameter pipe into curved smallldiameter hole Granted JPS55132899A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP4028579A JPS55132899A (en) 1979-04-05 1979-04-05 Method of inserting largeediameter pipe into curved smallldiameter hole

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP4028579A JPS55132899A (en) 1979-04-05 1979-04-05 Method of inserting largeediameter pipe into curved smallldiameter hole

Publications (2)

Publication Number Publication Date
JPS55132899A true JPS55132899A (en) 1980-10-16
JPS6160238B2 JPS6160238B2 (en) 1986-12-19

Family

ID=12576331

Family Applications (1)

Application Number Title Priority Date Filing Date
JP4028579A Granted JPS55132899A (en) 1979-04-05 1979-04-05 Method of inserting largeediameter pipe into curved smallldiameter hole

Country Status (1)

Country Link
JP (1) JPS55132899A (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS61257501A (en) * 1985-03-07 1986-11-15 ユーティルックス　コーポレィション Method and apparatus for laying undergound utility
JPH01105897A (en) * 1987-10-20 1989-04-24 Iseki Poly Tech Inc Method and device for excavating hole

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5448912A (en) * 1977-09-27 1979-04-17 Teiseki Sakusei Kougiyou Kk Device of laying large aperture pipe while expanding arched hole

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5448912A (en) * 1977-09-27 1979-04-17 Teiseki Sakusei Kougiyou Kk Device of laying large aperture pipe while expanding arched hole

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS61257501A (en) * 1985-03-07 1986-11-15 ユーティルックス　コーポレィション Method and apparatus for laying undergound utility
JPH0434671B2 (en) * 1985-03-07 1992-06-08 Yuuteirutsukusu Corp
JPH01105897A (en) * 1987-10-20 1989-04-24 Iseki Poly Tech Inc Method and device for excavating hole
JPH0528315B2 (en) * 1987-10-20 1993-04-23 Iseki Kaihatsu Koki

Also Published As

Publication number Publication date
JPS6160238B2 (en) 1986-12-19

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