EP0431775A3 - Method of continuous finishing of pipe - Google Patents
Method of continuous finishing of pipe Download PDFInfo
- Publication number
- EP0431775A3 EP0431775A3 EP19900312467 EP90312467A EP0431775A3 EP 0431775 A3 EP0431775 A3 EP 0431775A3 EP 19900312467 EP19900312467 EP 19900312467 EP 90312467 A EP90312467 A EP 90312467A EP 0431775 A3 EP0431775 A3 EP 0431775A3
- Authority
- EP
- European Patent Office
- Prior art keywords
- pipe
- continuous finishing
- finishing
- continuous
- 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.)
- Withdrawn
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)
- Metal Extraction Processes (AREA)
Applications Claiming Priority (4)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP301923/89 | 1989-11-22 | ||
JP30192389A JPH03165927A (en) | 1989-11-22 | 1989-11-22 | High speed straightening machine for long tube with small diameter |
JP30192289A JPH03165926A (en) | 1989-11-22 | 1989-11-22 | Finishing operation installation for long steel tube |
JP301922/89 | 1989-11-22 |
Publications (2)
Publication Number | Publication Date |
---|---|
EP0431775A2 EP0431775A2 (en) | 1991-06-12 |
EP0431775A3 true EP0431775A3 (en) | 1991-07-10 |
Family
ID=26562928
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP19900312467 Withdrawn EP0431775A3 (en) | 1989-11-22 | 1990-11-15 | Method of continuous finishing of pipe |
Country Status (1)
Country | Link |
---|---|
EP (1) | EP0431775A3 (en) |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CA2802171C (en) * | 2010-06-28 | 2015-11-24 | Nippon Steel & Sumitomo Metal Corporation | Heat transfer tube for steam generator and method for producing the same |
Citations (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3207289A (en) * | 1963-04-29 | 1965-09-21 | United States Steel Corp | Apparatus for delivering pipe lengths sidewise as discharged from rotary straightener or the like |
US4406141A (en) * | 1980-08-21 | 1983-09-27 | Nippon Kokan Kabushiki Kaisha | Straightening apparatus for steel pipes and the like |
US4494394A (en) * | 1981-07-06 | 1985-01-22 | Nilsson Einar W | Straightening machines and methods |
EP0182003A2 (en) * | 1984-11-14 | 1986-05-28 | Th. Kieserling & Albrecht GmbH & Co. | Cross-roll straightening machine with more than two straightening rolls |
US4663955A (en) * | 1986-02-18 | 1987-05-12 | Roman Engineering Company, Inc. | Apparatus for straightening tubing |
DE3729619A1 (en) * | 1987-09-04 | 1989-03-16 | Reika Werk Gmbh Maschf | Method and device for straightening longitudinally displaceable tubes rotating about their longitudinal axis |
-
1990
- 1990-11-15 EP EP19900312467 patent/EP0431775A3/en not_active Withdrawn
Patent Citations (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3207289A (en) * | 1963-04-29 | 1965-09-21 | United States Steel Corp | Apparatus for delivering pipe lengths sidewise as discharged from rotary straightener or the like |
US4406141A (en) * | 1980-08-21 | 1983-09-27 | Nippon Kokan Kabushiki Kaisha | Straightening apparatus for steel pipes and the like |
US4494394A (en) * | 1981-07-06 | 1985-01-22 | Nilsson Einar W | Straightening machines and methods |
EP0182003A2 (en) * | 1984-11-14 | 1986-05-28 | Th. Kieserling & Albrecht GmbH & Co. | Cross-roll straightening machine with more than two straightening rolls |
US4663955A (en) * | 1986-02-18 | 1987-05-12 | Roman Engineering Company, Inc. | Apparatus for straightening tubing |
DE3729619A1 (en) * | 1987-09-04 | 1989-03-16 | Reika Werk Gmbh Maschf | Method and device for straightening longitudinally displaceable tubes rotating about their longitudinal axis |
Also Published As
Publication number | Publication date |
---|---|
EP0431775A2 (en) | 1991-06-12 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
PUAI | Public reference made under article 153(3) epc to a published international application that has entered the european phase |
Free format text: ORIGINAL CODE: 0009012 |
|
PUAL | Search report despatched |
Free format text: ORIGINAL CODE: 0009013 |
|
17P | Request for examination filed |
Effective date: 19901127 |
|
AK | Designated contracting states |
Kind code of ref document: A2 Designated state(s): DE FR GB IT |
|
AK | Designated contracting states |
Kind code of ref document: A3 Designated state(s): DE FR GB IT |
|
17Q | First examination report despatched |
Effective date: 19930211 |
|
STAA | Information on the status of an ep patent application or granted ep patent |
Free format text: STATUS: THE APPLICATION IS DEEMED TO BE WITHDRAWN |
|
18D | Application deemed to be withdrawn |
Effective date: 19930622 |