JPS5588997A - Gas backing device for pipe welding - Google Patents
Gas backing device for pipe weldingInfo
- Publication number
- JPS5588997A JPS5588997A JP16236278A JP16236278A JPS5588997A JP S5588997 A JPS5588997 A JP S5588997A JP 16236278 A JP16236278 A JP 16236278A JP 16236278 A JP16236278 A JP 16236278A JP S5588997 A JPS5588997 A JP S5588997A
- Authority
- JP
- Japan
- Prior art keywords
- chamber
- steel pipe
- gas
- gas chamber
- pipe blank
- 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
Landscapes
- Butt Welding And Welding Of Specific Article (AREA)
Abstract
PURPOSE: To improve the back bead formation and prevent stress concentration, by providing an elastic body at the contact edge of gas chamber to seal the gas, and flexibly press-fitting the gas chamber to the steel pipe inner wall by means of adjustable supporting base.
CONSTITUTION: A supporting base 22 having an extendable rod 221 is fitted to the bottom and sides of a box-shaped gas chamber 21 opened in the upper part, and the gas chamber 21 is held in a specified position in the steel pipe blank to be welded at a proper pressure. An operating tube 23 is connected to the chamber 21 to hold the chamber 21 and move it into the steel pipe blank, and inert gas at specified pressure is supplied into the chamber 21. Elastic, wear resistant seal members 24 are laminated in several layers around the top upper edge of the chamber 21, and the amount of protrusion thereof is adjusted by means of a screw 241 to press against the steel pipe blank inner wall. In this device, TIG welding of constant arc strength may be realized, so that the weld bead may be shaped smoothly.
COPYRIGHT: (C)1980,JPO&Japio
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP16236278A JPS5588997A (en) | 1978-12-27 | 1978-12-27 | Gas backing device for pipe welding |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP16236278A JPS5588997A (en) | 1978-12-27 | 1978-12-27 | Gas backing device for pipe welding |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS5588997A true JPS5588997A (en) | 1980-07-05 |
Family
ID=15753117
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP16236278A Pending JPS5588997A (en) | 1978-12-27 | 1978-12-27 | Gas backing device for pipe welding |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS5588997A (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS60223658A (en) * | 1984-04-19 | 1985-11-08 | Furukawa Electric Co Ltd:The | Production of metallic pipe |
| JP2007190595A (en) * | 2006-01-20 | 2007-08-02 | Nisshin Steel Co Ltd | Inner-surface shield tool for manufacturing welded metal pipe |
| CN106271128A (en) * | 2016-08-31 | 2017-01-04 | 中车长春轨道客车股份有限公司 | For eliminating the auxiliary compression tooling of side wall column and corrugated plating laser stitch welding gap |
| EP3297787B1 (en) * | 2015-05-21 | 2021-03-17 | Illinois Tool Works Inc. | System and method for reducing weld root concavity |
-
1978
- 1978-12-27 JP JP16236278A patent/JPS5588997A/en active Pending
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS60223658A (en) * | 1984-04-19 | 1985-11-08 | Furukawa Electric Co Ltd:The | Production of metallic pipe |
| JPS6232025B2 (en) * | 1984-04-19 | 1987-07-11 | Furukawa Electric Co Ltd | |
| JP2007190595A (en) * | 2006-01-20 | 2007-08-02 | Nisshin Steel Co Ltd | Inner-surface shield tool for manufacturing welded metal pipe |
| EP3297787B1 (en) * | 2015-05-21 | 2021-03-17 | Illinois Tool Works Inc. | System and method for reducing weld root concavity |
| CN106271128A (en) * | 2016-08-31 | 2017-01-04 | 中车长春轨道客车股份有限公司 | For eliminating the auxiliary compression tooling of side wall column and corrugated plating laser stitch welding gap |
| CN106271128B (en) * | 2016-08-31 | 2017-11-14 | 中车长春轨道客车股份有限公司 | For eliminating the auxiliary compression tooling of side wall column and corrugated plating laser stitch welding gap |
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