FR2485409B1 - - Google Patents
Info
- Publication number
- FR2485409B1 FR2485409B1 FR8014362A FR8014362A FR2485409B1 FR 2485409 B1 FR2485409 B1 FR 2485409B1 FR 8014362 A FR8014362 A FR 8014362A FR 8014362 A FR8014362 A FR 8014362A FR 2485409 B1 FR2485409 B1 FR 2485409B1
- Authority
- FR
- France
- Prior art keywords
- mandrel
- shank
- blanks
- diameter
- mandrel shank
- 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.)
- Expired
Links
- 238000010438 heat treatment Methods 0.000 abstract 2
- 229910000831 Steel Inorganic materials 0.000 abstract 1
- 238000004519 manufacturing process Methods 0.000 abstract 1
- 229910052751 metal Inorganic materials 0.000 abstract 1
- 238000007493 shaping process Methods 0.000 abstract 1
- 239000010959 steel Substances 0.000 abstract 1
- 238000011144 upstream manufacturing Methods 0.000 abstract 1
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
- B21D9/00—Bending tubes using mandrels or the like
- B21D9/12—Bending tubes using mandrels or the like by pushing over a curved mandrel; by pushing through a curved die
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Forging (AREA)
- Bending Of Plates, Rods, And Pipes (AREA)
Priority Applications (4)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| FR8014362A FR2485409A1 (fr) | 1980-06-27 | 1980-06-27 | Dispositif de fabrication a chaud en continu de courbes metalliques tubulaires |
| EP81420095A EP0043335B1 (fr) | 1980-06-27 | 1981-06-26 | Dispositif de fabrication à chaud en continu d'éléments métalliques tubulaires courbes |
| AT81420095T ATE5952T1 (de) | 1980-06-27 | 1981-06-26 | Vorrichtung zum fortlaufenden warmherstellen metallischer rohrbogen. |
| DE8181420095T DE3162026D1 (en) | 1980-06-27 | 1981-06-26 | Apparatus for the continuous hot-forming of metallic pipe bends |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| FR8014362A FR2485409A1 (fr) | 1980-06-27 | 1980-06-27 | Dispositif de fabrication a chaud en continu de courbes metalliques tubulaires |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| FR2485409A1 FR2485409A1 (fr) | 1981-12-31 |
| FR2485409B1 true FR2485409B1 (mo) | 1982-08-20 |
Family
ID=9243604
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| FR8014362A Granted FR2485409A1 (fr) | 1980-06-27 | 1980-06-27 | Dispositif de fabrication a chaud en continu de courbes metalliques tubulaires |
Country Status (4)
| Country | Link |
|---|---|
| EP (1) | EP0043335B1 (mo) |
| AT (1) | ATE5952T1 (mo) |
| DE (1) | DE3162026D1 (mo) |
| FR (1) | FR2485409A1 (mo) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116586527B (zh) * | 2023-07-18 | 2023-09-05 | 盐山亚汇管业有限公司 | 一种便于上料的弯头推制装置及工艺 |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE583550C (de) * | 1931-03-28 | 1933-09-05 | Rohrbogenwerk G M B H | Verfahren zur Herstellung von Rohrbogen |
| DE573890C (de) * | 1931-04-25 | 1933-10-10 | Rohrbogenwerk G M B H | Verfahren zur Herstellung von Rohrbogen o. dgl. |
| DE658010C (de) * | 1935-01-29 | 1938-03-19 | Mannesmann Ag | Verfahren zum Biegen von Rohrbogen o. dgl. mit geraden Schenkeln |
| US2105075A (en) * | 1935-10-08 | 1938-01-11 | Tube Turns Inc | Method and apparatus for making pipe bends |
| DE1056905B (de) * | 1957-10-23 | 1959-05-06 | Kocks Gmbh Friedrich | Verfahren zum Biegen von Rohren |
-
1980
- 1980-06-27 FR FR8014362A patent/FR2485409A1/fr active Granted
-
1981
- 1981-06-26 EP EP81420095A patent/EP0043335B1/fr not_active Expired
- 1981-06-26 AT AT81420095T patent/ATE5952T1/de not_active IP Right Cessation
- 1981-06-26 DE DE8181420095T patent/DE3162026D1/de not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| EP0043335B1 (fr) | 1984-01-25 |
| FR2485409A1 (fr) | 1981-12-31 |
| ATE5952T1 (de) | 1984-02-15 |
| DE3162026D1 (en) | 1984-03-01 |
| EP0043335A1 (fr) | 1982-01-06 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| ST | Notification of lapse |