JPS57195988A - Method of extracting branch pipe in hot tap method - Google Patents
Method of extracting branch pipe in hot tap methodInfo
- Publication number
- JPS57195988A JPS57195988A JP8077581A JP8077581A JPS57195988A JP S57195988 A JPS57195988 A JP S57195988A JP 8077581 A JP8077581 A JP 8077581A JP 8077581 A JP8077581 A JP 8077581A JP S57195988 A JPS57195988 A JP S57195988A
- Authority
- JP
- Japan
- Prior art keywords
- branch pipe
- hot tap
- extracting branch
- extracting
- tap method
- 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
- Branch Pipes, Bends, And The Like (AREA)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP8077581A JPS57195988A (en) | 1981-05-29 | 1981-05-29 | Method of extracting branch pipe in hot tap method |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP8077581A JPS57195988A (en) | 1981-05-29 | 1981-05-29 | Method of extracting branch pipe in hot tap method |
Publications (2)
Publication Number | Publication Date |
---|---|
JPS57195988A true JPS57195988A (en) | 1982-12-01 |
JPS6258434B2 JPS6258434B2 (en) | 1987-12-05 |
Family
ID=13727799
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP8077581A Granted JPS57195988A (en) | 1981-05-29 | 1981-05-29 | Method of extracting branch pipe in hot tap method |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS57195988A (en) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS60172094U (en) * | 1984-04-25 | 1985-11-14 | 日本鋼管株式会社 | Fitting mounting jig |
JP2010286115A (en) * | 2009-05-13 | 2010-12-24 | Nippon Steel Pipeline Co Ltd | Fittings for non-blow construction method, manufacturing method thereof, and branching structure and branching method for existing main pipe |
Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5722490A (en) * | 1980-07-12 | 1982-02-05 | Osaka Gas Co Ltd | Nonstop flow type device for constructing conduit pipe |
-
1981
- 1981-05-29 JP JP8077581A patent/JPS57195988A/en active Granted
Patent Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5722490A (en) * | 1980-07-12 | 1982-02-05 | Osaka Gas Co Ltd | Nonstop flow type device for constructing conduit pipe |
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS60172094U (en) * | 1984-04-25 | 1985-11-14 | 日本鋼管株式会社 | Fitting mounting jig |
JPH0249434Y2 (en) * | 1984-04-25 | 1990-12-26 | ||
JP2010286115A (en) * | 2009-05-13 | 2010-12-24 | Nippon Steel Pipeline Co Ltd | Fittings for non-blow construction method, manufacturing method thereof, and branching structure and branching method for existing main pipe |
Also Published As
Publication number | Publication date |
---|---|
JPS6258434B2 (en) | 1987-12-05 |
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