FR2447239B1 - - Google Patents
Info
- Publication number
- FR2447239B1 FR2447239B1 FR8001386A FR8001386A FR2447239B1 FR 2447239 B1 FR2447239 B1 FR 2447239B1 FR 8001386 A FR8001386 A FR 8001386A FR 8001386 A FR8001386 A FR 8001386A FR 2447239 B1 FR2447239 B1 FR 2447239B1
- Authority
- FR
- France
- 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
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
- B21D3/00—Straightening or restoring form of metal rods, metal tubes, metal profiles, or specific articles made therefrom, whether or not in combination with sheet metal parts
- B21D3/02—Straightening or restoring form of metal rods, metal tubes, metal profiles, or specific articles made therefrom, whether or not in combination with sheet metal parts by rollers
- B21D3/04—Straightening or restoring form of metal rods, metal tubes, metal profiles, or specific articles made therefrom, whether or not in combination with sheet metal parts by rollers arranged on axes skew to the path of the work
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Straightening Metal Sheet-Like Bodies (AREA)
- Bending Of Plates, Rods, And Pipes (AREA)
- Reduction Rolling/Reduction Stand/Operation Of Reduction Machine (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE2902827A DE2902827C2 (de) | 1979-01-23 | 1979-01-23 | Schrägwalzenrichtmaschine für Rohre |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| FR2447239A1 FR2447239A1 (fr) | 1980-08-22 |
| FR2447239B1 true FR2447239B1 (US08197722-20120612-C00093.png) | 1983-12-09 |
Family
ID=6061377
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| FR8001386A Granted FR2447239A1 (fr) | 1979-01-23 | 1980-01-23 | Procede et appareil pour le dressage de tubes |
Country Status (5)
Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5744624U (US08197722-20120612-C00093.png) * | 1980-08-21 | 1982-03-11 | ||
| US4763504A (en) * | 1981-07-06 | 1988-08-16 | Nilsson Einar W | Straightening machines and methods |
| DE3441537A1 (de) * | 1984-11-14 | 1986-05-15 | Th. Kieserling & Albrecht Gmbh & Co, 5650 Solingen | Schraegrollenrichtmaschine mit mehr als 2 richtrollen |
| CN104971966B (zh) * | 2014-04-05 | 2017-01-25 | 薄占川 | 组合曲线多斜辊钢管矫直机 |
| CN112718928A (zh) * | 2020-12-10 | 2021-04-30 | 中国重型机械研究院股份公司 | 一种圆材矫直装置及其矫直方法 |
Family Cites Families (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB598757A (en) * | 1945-09-08 | 1948-02-25 | Bigwood Joshua & Son Ltd | Improvements in machines for straightening tubes or rods |
| FR850276A (US08197722-20120612-C00093.png) * | 1939-12-12 | |||
| FR741308A (US08197722-20120612-C00093.png) * | ||||
| FR2071404A5 (en) * | 1969-12-29 | 1971-09-17 | Brochut Max | Discharging internal tension - from round bars |
| FR2258912B1 (US08197722-20120612-C00093.png) * | 1974-01-25 | 1979-01-05 | Vallourec | |
| FR2374103A1 (fr) * | 1976-12-14 | 1978-07-13 | Semenenko Jury | Cylindres de machine a cylindres obliques pour le dressage de pieces metalliques cylindriques |
-
1979
- 1979-01-23 DE DE2902827A patent/DE2902827C2/de not_active Expired
-
1980
- 1980-01-23 IT IT19383/80A patent/IT1130892B/it active
- 1980-01-23 JP JP673480A patent/JPS55100824A/ja active Pending
- 1980-01-23 FR FR8001386A patent/FR2447239A1/fr active Granted
- 1980-03-23 GB GB8002239A patent/GB2040763B/en not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| GB2040763A (en) | 1980-09-03 |
| JPS55100824A (en) | 1980-08-01 |
| DE2902827C2 (de) | 1984-05-10 |
| FR2447239A1 (fr) | 1980-08-22 |
| IT1130892B (it) | 1986-06-18 |
| IT8019383A0 (it) | 1980-01-23 |
| DE2902827A1 (de) | 1980-07-24 |
| GB2040763B (en) | 1983-03-09 |
Similar Documents
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| ST | Notification of lapse |