JPS5677498A - Device for inserting large diameter pipe* expanding curved small diameter hole - Google Patents

Device for inserting large diameter pipe* expanding curved small diameter hole

Info

Publication number
JPS5677498A
JPS5677498A JP15358479A JP15358479A JPS5677498A JP S5677498 A JPS5677498 A JP S5677498A JP 15358479 A JP15358479 A JP 15358479A JP 15358479 A JP15358479 A JP 15358479A JP S5677498 A JPS5677498 A JP S5677498A
Authority
JP
Japan
Prior art keywords
small diameter
large diameter
curved small
inserting large
expanding curved
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
JP15358479A
Other languages
Japanese (ja)
Other versions
JPS594039B2 (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 JP15358479A priority Critical patent/JPS594039B2/en
Publication of JPS5677498A publication Critical patent/JPS5677498A/en
Publication of JPS594039B2 publication Critical patent/JPS594039B2/en
Expired legal-status Critical Current

Links

Landscapes

  • Excavating Of Shafts Or Tunnels (AREA)
JP15358479A 1979-11-29 1979-11-29 A device that inserts large-diameter pipes while enlarging curved small-diameter holes. Expired JPS594039B2 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP15358479A JPS594039B2 (en) 1979-11-29 1979-11-29 A device that inserts large-diameter pipes while enlarging curved small-diameter holes.

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP15358479A JPS594039B2 (en) 1979-11-29 1979-11-29 A device that inserts large-diameter pipes while enlarging curved small-diameter holes.

Publications (2)

Publication Number Publication Date
JPS5677498A true JPS5677498A (en) 1981-06-25
JPS594039B2 JPS594039B2 (en) 1984-01-27

Family

ID=15565676

Family Applications (1)

Application Number Title Priority Date Filing Date
JP15358479A Expired JPS594039B2 (en) 1979-11-29 1979-11-29 A device that inserts large-diameter pipes while enlarging curved small-diameter holes.

Country Status (1)

Country Link
JP (1) JPS594039B2 (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH02190597A (en) * 1989-01-19 1990-07-26 Tone Boring Co Track diameter enlarging apparatus
KR100893055B1 (en) * 2004-08-09 2009-04-15 현대중공업 주식회사 Skid shoes for moving and loading structures

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS62166547U (en) * 1986-04-10 1987-10-22
JPS63175253U (en) * 1986-11-10 1988-11-14

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH02190597A (en) * 1989-01-19 1990-07-26 Tone Boring Co Track diameter enlarging apparatus
KR100893055B1 (en) * 2004-08-09 2009-04-15 현대중공업 주식회사 Skid shoes for moving and loading structures

Also Published As

Publication number Publication date
JPS594039B2 (en) 1984-01-27

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