JPS4978668A - - Google Patents
Info
- Publication number
- JPS4978668A JPS4978668A JP10539573A JP10539573A JPS4978668A JP S4978668 A JPS4978668 A JP S4978668A JP 10539573 A JP10539573 A JP 10539573A JP 10539573 A JP10539573 A JP 10539573A JP S4978668 A JPS4978668 A JP S4978668A
- Authority
- JP
- Japan
- 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
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D—WORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D5/00—Bending sheet metal along straight lines, e.g. to form simple curves
- B21D5/06—Bending sheet metal along straight lines, e.g. to form simple curves by drawing procedure making use of dies or forming-rollers, e.g. making profiles
- B21D5/10—Bending sheet metal along straight lines, e.g. to form simple curves by drawing procedure making use of dies or forming-rollers, e.g. making profiles for making tubes
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Bending Of Plates, Rods, And Pipes (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE19722255621 DE2255621A1 (de) | 1972-11-08 | 1972-11-08 | Verfahren zum herstellen von grossrohren aus hochfesten baustaehlen |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS4978668A true JPS4978668A (ja) | 1974-07-29 |
Family
ID=5861619
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP10539573A Pending JPS4978668A (ja) | 1972-11-08 | 1973-09-18 |
Country Status (4)
| Country | Link |
|---|---|
| JP (1) | JPS4978668A (ja) |
| DE (1) | DE2255621A1 (ja) |
| FR (1) | FR2205378A1 (ja) |
| IT (1) | IT995943B (ja) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2013544654A (ja) * | 2010-11-23 | 2013-12-19 | 大連三高集団有限公司 | 超大径ストレートシーム溶接管成形ユニット |
| JP2013545616A (ja) * | 2010-11-30 | 2013-12-26 | 大連三高集団有限公司 | 大径ストレートシーム溶接管生産ライン |
| CN104308467A (zh) * | 2014-09-01 | 2015-01-28 | 湖北源盛钢构有限公司 | 筒体纵缝不清根全熔透构件的成型工艺 |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE102021202378A1 (de) * | 2021-03-11 | 2022-09-15 | Peri Se | Verfahren zur Herstellung eines Innenrohres für eine Stützvorrichtung sowie Stützvorrichtung mit einem solchen Innenrohr |
-
1972
- 1972-11-08 DE DE19722255621 patent/DE2255621A1/de active Pending
-
1973
- 1973-09-18 JP JP10539573A patent/JPS4978668A/ja active Pending
- 1973-10-17 IT IT3022773A patent/IT995943B/it active
- 1973-11-02 FR FR7339086A patent/FR2205378A1/fr not_active Withdrawn
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2013544654A (ja) * | 2010-11-23 | 2013-12-19 | 大連三高集団有限公司 | 超大径ストレートシーム溶接管成形ユニット |
| JP2013545616A (ja) * | 2010-11-30 | 2013-12-26 | 大連三高集団有限公司 | 大径ストレートシーム溶接管生産ライン |
| CN104308467A (zh) * | 2014-09-01 | 2015-01-28 | 湖北源盛钢构有限公司 | 筒体纵缝不清根全熔透构件的成型工艺 |
Also Published As
| Publication number | Publication date |
|---|---|
| FR2205378A1 (ja) | 1974-05-31 |
| IT995943B (it) | 1975-11-20 |
| DE2255621A1 (de) | 1974-05-16 |