EP0438205A3 - Method and apparatus for straightening the ends of elongated workpieces - Google Patents
Method and apparatus for straightening the ends of elongated workpieces Download PDFInfo
- Publication number
- EP0438205A3 EP0438205A3 EP19910250007 EP91250007A EP0438205A3 EP 0438205 A3 EP0438205 A3 EP 0438205A3 EP 19910250007 EP19910250007 EP 19910250007 EP 91250007 A EP91250007 A EP 91250007A EP 0438205 A3 EP0438205 A3 EP 0438205A3
- Authority
- EP
- European Patent Office
- Prior art keywords
- straightening
- elongated workpieces
- workpieces
- elongated
- 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
- B21D3/08—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 which move in an orbit without rotating round the work
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Wire Processing (AREA)
- Forging (AREA)
- Bending Of Plates, Rods, And Pipes (AREA)
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE4001901A DE4001901A1 (en) | 1990-01-19 | 1990-01-19 | End straightening mechanism for pipes etc. - has several sliding rams, radially movable about common axis |
DE4001901 | 1990-01-19 |
Publications (3)
Publication Number | Publication Date |
---|---|
EP0438205A2 EP0438205A2 (en) | 1991-07-24 |
EP0438205A3 true EP0438205A3 (en) | 1991-10-16 |
EP0438205B1 EP0438205B1 (en) | 1994-06-01 |
Family
ID=6398607
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP91250007A Expired - Lifetime EP0438205B1 (en) | 1990-01-19 | 1991-01-10 | Method and apparatus for straightening the ends of elongated workpieces |
Country Status (3)
Country | Link |
---|---|
US (1) | US5103666A (en) |
EP (1) | EP0438205B1 (en) |
DE (2) | DE4001901A1 (en) |
Families Citing this family (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH07266837A (en) * | 1994-03-29 | 1995-10-17 | Horikiri Bane Seisakusho:Kk | Manufacture of hollow stabilizer |
US5810054A (en) * | 1996-12-06 | 1998-09-22 | Imi Cornelius Inc. | Tubing end and method for forming |
EP0878334B1 (en) * | 1997-05-12 | 2003-09-24 | Firma Muhr und Bender | Stabilizer |
DE102006010040B3 (en) * | 2006-03-04 | 2007-10-11 | Eisenbau Krämer mbH | straightener |
DE102008027807B4 (en) | 2008-06-06 | 2011-05-12 | Eisenbau Krämer mbH | Method for producing a large steel pipe |
CN101653795B (en) * | 2009-09-04 | 2011-01-05 | 太原重工股份有限公司 | Vertical hydraulic straightening machine |
CN106363045B (en) * | 2015-07-01 | 2021-04-02 | 重庆荆江汽车半轴股份有限公司 | Half-shaft thermal straightening machine for vehicle |
CN110814215B (en) * | 2019-10-23 | 2022-05-03 | 佛山市南海区南尚电工材料有限公司 | Floating straightening method and processing technology of enameled cable |
CN112474888B (en) * | 2020-11-18 | 2023-07-21 | 中机试验装备股份有限公司 | Elastic supporting mechanism for alignment |
Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR1339360A (en) * | 1961-12-12 | 1963-10-04 | Mannesmann Meer Ag | Method and device for cold dressing hollow and massive bodies in the form of bars and having any profile |
US3869897A (en) * | 1973-12-18 | 1975-03-11 | Manno Kogyo Kabushiki Kaisha | Apparatus for correcting deformation of a slender metallic products |
EP0338144A1 (en) * | 1988-04-18 | 1989-10-25 | Nisso Sangyo Co Ltd | Apparatus for cleaning and straightening a tubular article |
Family Cites Families (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US455905A (en) * | 1891-07-14 | Automatic hammer | ||
DE39015C (en) * | A. J. GUSTIN in Boston, County of Suffolk, State of Mass., V. St. A | Rail straightening machine | ||
GB112661A (en) * | 1917-01-18 | 1918-01-18 | James John Guest | An Improved Method and Means of Straightening Metal Rods. |
US3114276A (en) * | 1956-07-31 | 1963-12-17 | Kocks Gmbh Friedrich | Device for drawing billet and bar stock |
US3518868A (en) * | 1968-01-11 | 1970-07-07 | Don A Cargill | Straightening machine and method |
US3717020A (en) * | 1968-10-15 | 1973-02-20 | Ind Metal Prod Corp | Process for straightening elongate members |
DE2133586A1 (en) * | 1970-11-06 | 1972-05-10 | Galdabini R | Process for straightening workpieces |
SU732047A1 (en) * | 1977-10-13 | 1980-05-05 | Ленинградский Ордена Трудового Красного Знамени Инженерно-Строительный Институт | Device for straightening metal rods |
US4488423A (en) * | 1980-12-08 | 1984-12-18 | Bertolette Machines, Inc. | Straightening machine |
-
1990
- 1990-01-19 DE DE4001901A patent/DE4001901A1/en active Granted
-
1991
- 1991-01-10 DE DE59101736T patent/DE59101736D1/en not_active Expired - Fee Related
- 1991-01-10 EP EP91250007A patent/EP0438205B1/en not_active Expired - Lifetime
- 1991-01-18 US US07/643,908 patent/US5103666A/en not_active Expired - Fee Related
Patent Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR1339360A (en) * | 1961-12-12 | 1963-10-04 | Mannesmann Meer Ag | Method and device for cold dressing hollow and massive bodies in the form of bars and having any profile |
US3869897A (en) * | 1973-12-18 | 1975-03-11 | Manno Kogyo Kabushiki Kaisha | Apparatus for correcting deformation of a slender metallic products |
EP0338144A1 (en) * | 1988-04-18 | 1989-10-25 | Nisso Sangyo Co Ltd | Apparatus for cleaning and straightening a tubular article |
Also Published As
Publication number | Publication date |
---|---|
DE59101736D1 (en) | 1994-07-07 |
DE4001901C2 (en) | 1993-02-04 |
DE4001901A1 (en) | 1991-07-25 |
EP0438205B1 (en) | 1994-06-01 |
US5103666A (en) | 1992-04-14 |
EP0438205A2 (en) | 1991-07-24 |
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Legal Events
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PUAI | Public reference made under article 153(3) epc to a published international application that has entered the european phase |
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