JPS55128327A - Bending device of multiple pipes - Google Patents
Bending device of multiple pipesInfo
- Publication number
- JPS55128327A JPS55128327A JP3553379A JP3553379A JPS55128327A JP S55128327 A JPS55128327 A JP S55128327A JP 3553379 A JP3553379 A JP 3553379A JP 3553379 A JP3553379 A JP 3553379A JP S55128327 A JPS55128327 A JP S55128327A
- Authority
- JP
- Japan
- Prior art keywords
- bending
- pipe
- spacers
- wires
- inside pipe
- 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
Abstract
PURPOSE: To prevent the deformation and foreign matter deposition of the cross section of the pipes and shorten bending time by inserting spacers and bending wires which are detachable at the bending portion between an inside pipe and an outside pipe.
CONSTITUTION: Prior to bending, spacers 3 are welded to the required portions of the working portion of an inside pipe 2 and the inside pipe 2 welded with the spacers 3 is inserted to the position corresponding to the bending portion of an outside pipe 1. Further, bending wires 4 which are connected separatably in the bending portion are inserted between the spacers 3, so as to make contact with the pipes 1, 2, between the inside pipe 2 and outside pipe 1, after which bending is done. After the bending, the wires 4 are pulled in the axial direction from the both pipe ends.
COPYRIGHT: (C)1980,JPO&Japio
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP3553379A JPS55128327A (en) | 1979-03-28 | 1979-03-28 | Bending device of multiple pipes |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP3553379A JPS55128327A (en) | 1979-03-28 | 1979-03-28 | Bending device of multiple pipes |
Publications (1)
Publication Number | Publication Date |
---|---|
JPS55128327A true JPS55128327A (en) | 1980-10-04 |
Family
ID=12444365
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP3553379A Pending JPS55128327A (en) | 1979-03-28 | 1979-03-28 | Bending device of multiple pipes |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS55128327A (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2008023537A (en) * | 2006-07-19 | 2008-02-07 | Hiroshima Univ | Method for producing double tube with curved part |
-
1979
- 1979-03-28 JP JP3553379A patent/JPS55128327A/en active Pending
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2008023537A (en) * | 2006-07-19 | 2008-02-07 | Hiroshima Univ | Method for producing double tube with curved part |
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