JPS545220A - Correction of internal surface of pipe - Google Patents
Correction of internal surface of pipeInfo
- Publication number
- JPS545220A JPS545220A JP7082477A JP7082477A JPS545220A JP S545220 A JPS545220 A JP S545220A JP 7082477 A JP7082477 A JP 7082477A JP 7082477 A JP7082477 A JP 7082477A JP S545220 A JPS545220 A JP S545220A
- Authority
- JP
- Japan
- Prior art keywords
- pipe
- correction
- internal surface
- expander
- excavating
- 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.)
- Pending
Links
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16L—PIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL
- F16L55/00—Devices or appurtenances for use in, or in connection with, pipes or pipe systems
- F16L55/18—Appliances for use in repairing pipes
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Sewage (AREA)
Abstract
PURPOSE: To easily and surely correct an interior swollen part of an underground pipe without excavating, by moving a diameter expander in the pipe and hydraulically operating the expander from the outside of the pipe.
COPYRIGHT: (C)1979,JPO&Japio
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP7082477A JPS545220A (en) | 1977-06-14 | 1977-06-14 | Correction of internal surface of pipe |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP7082477A JPS545220A (en) | 1977-06-14 | 1977-06-14 | Correction of internal surface of pipe |
Publications (1)
Publication Number | Publication Date |
---|---|
JPS545220A true JPS545220A (en) | 1979-01-16 |
Family
ID=13442707
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP7082477A Pending JPS545220A (en) | 1977-06-14 | 1977-06-14 | Correction of internal surface of pipe |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS545220A (en) |
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH0361792A (en) * | 1989-07-28 | 1991-03-18 | Kyogyo Kumiai Kosei Kigyo | Closed-cut failure correcting method using failure correcting device for underground pipe such as sewer |
US6107419A (en) * | 1996-12-11 | 2000-08-22 | Shell Oil Company | Process for preparation of high molecular weight epoxy resin |
JP2006257722A (en) * | 2005-03-16 | 2006-09-28 | Yoshika Kk | Line repair/recovery device and line repair/recovery method using the device |
-
1977
- 1977-06-14 JP JP7082477A patent/JPS545220A/en active Pending
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH0361792A (en) * | 1989-07-28 | 1991-03-18 | Kyogyo Kumiai Kosei Kigyo | Closed-cut failure correcting method using failure correcting device for underground pipe such as sewer |
US6107419A (en) * | 1996-12-11 | 2000-08-22 | Shell Oil Company | Process for preparation of high molecular weight epoxy resin |
JP2006257722A (en) * | 2005-03-16 | 2006-09-28 | Yoshika Kk | Line repair/recovery device and line repair/recovery method using the device |
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