JPS5677498A - Device for inserting large diameter pipe* expanding curved small diameter hole - Google Patents
Device for inserting large diameter pipe* expanding curved small diameter holeInfo
- 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
Links
Landscapes
- Excavating Of Shafts Or Tunnels (AREA)
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)
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 | A skidshoe for a movement of a block and shipment |
Families Citing this family (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS62166547U (en) * | 1986-04-10 | 1987-10-22 | ||
JPS63175253U (en) * | 1986-11-10 | 1988-11-14 |
-
1979
- 1979-11-29 JP JP15358479A patent/JPS594039B2/en not_active Expired
Cited By (2)
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 | A skidshoe for a movement of a block and shipment |
Also Published As
Publication number | Publication date |
---|---|
JPS594039B2 (en) | 1984-01-27 |
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