FR2389427A1 - - Google Patents
Info
- Publication number
- FR2389427A1 FR2389427A1 FR7813308A FR7813308A FR2389427A1 FR 2389427 A1 FR2389427 A1 FR 2389427A1 FR 7813308 A FR7813308 A FR 7813308A FR 7813308 A FR7813308 A FR 7813308A FR 2389427 A1 FR2389427 A1 FR 2389427A1
- Authority
- FR
- France
- Prior art keywords
- passage
- place
- tubes
- straightening
- bars
- 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.)
- Granted
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)
- Wire Processing (AREA)
- Shaping Of Tube Ends By Bending Or Straightening (AREA)
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
GB18825/77A GB1574221A (en) | 1977-05-05 | 1977-05-05 | Method of and means for straightening bars and tubes |
JP13999678A JPS5568126A (en) | 1977-05-05 | 1978-11-14 | Straightening machine of steel bar and steel pipe |
Publications (2)
Publication Number | Publication Date |
---|---|
FR2389427A1 true FR2389427A1 (ru) | 1978-12-01 |
FR2389427B1 FR2389427B1 (ru) | 1982-06-18 |
Family
ID=26253630
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR7813308A Expired FR2389427B1 (ru) | 1977-05-05 | 1978-05-05 |
Country Status (2)
Country | Link |
---|---|
JP (1) | JPS5568126A (ru) |
FR (1) | FR2389427B1 (ru) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR2544234A1 (ru) * | 1983-04-14 | 1984-10-19 | Sutton Eng Co |
Families Citing this family (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS61148418U (ru) * | 1986-02-13 | 1986-09-12 | ||
CN114130814B (zh) * | 2021-10-26 | 2024-03-22 | 石钢京诚装备技术有限公司 | 一种高精度控制磨球钢平直度的方法 |
Citations (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR738389A (fr) * | 1931-08-03 | 1932-12-24 | Perfectionnements aux machines destinées à redresser les objets à section circulaire | |
DE719625C (de) * | 1939-04-18 | 1942-06-11 | Mannesmann Ag | Kaltrichtmaschine mit hyperbolischen Schraegwalzen |
US2655194A (en) * | 1946-10-31 | 1953-10-13 | Einar W Nilsson | Apparatus for processing round bars and tubes |
GB909434A (en) * | 1960-08-30 | 1962-10-31 | Samuel Platt Ltd | Improvements in or relating to straightening machines |
US3747386A (en) * | 1971-03-22 | 1973-07-24 | Kieserling & Albrecht | Straightening apparatus for elongated tubular and rod stock |
GB1339606A (en) * | 1971-04-01 | 1973-12-05 | Semenenko J L | Machine for straightening workpieces such as tubes rods and round rolled bars |
US3924431A (en) * | 1973-09-05 | 1975-12-09 | Kieserling & Albrecht | Machine for straightening elongated objects |
FR2374103A1 (fr) * | 1976-12-14 | 1978-07-13 | Semenenko Jury | Cylindres de machine a cylindres obliques pour le dressage de pieces metalliques cylindriques |
-
1978
- 1978-05-05 FR FR7813308A patent/FR2389427B1/fr not_active Expired
- 1978-11-14 JP JP13999678A patent/JPS5568126A/ja active Pending
Patent Citations (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR738389A (fr) * | 1931-08-03 | 1932-12-24 | Perfectionnements aux machines destinées à redresser les objets à section circulaire | |
DE719625C (de) * | 1939-04-18 | 1942-06-11 | Mannesmann Ag | Kaltrichtmaschine mit hyperbolischen Schraegwalzen |
US2655194A (en) * | 1946-10-31 | 1953-10-13 | Einar W Nilsson | Apparatus for processing round bars and tubes |
GB909434A (en) * | 1960-08-30 | 1962-10-31 | Samuel Platt Ltd | Improvements in or relating to straightening machines |
US3747386A (en) * | 1971-03-22 | 1973-07-24 | Kieserling & Albrecht | Straightening apparatus for elongated tubular and rod stock |
GB1339606A (en) * | 1971-04-01 | 1973-12-05 | Semenenko J L | Machine for straightening workpieces such as tubes rods and round rolled bars |
US3924431A (en) * | 1973-09-05 | 1975-12-09 | Kieserling & Albrecht | Machine for straightening elongated objects |
FR2374103A1 (fr) * | 1976-12-14 | 1978-07-13 | Semenenko Jury | Cylindres de machine a cylindres obliques pour le dressage de pieces metalliques cylindriques |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR2544234A1 (ru) * | 1983-04-14 | 1984-10-19 | Sutton Eng Co |
Also Published As
Publication number | Publication date |
---|---|
JPS5568126A (en) | 1980-05-22 |
FR2389427B1 (ru) | 1982-06-18 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
ST | Notification of lapse |