FR2340778B1 - - Google Patents
Info
- Publication number
- FR2340778B1 FR2340778B1 FR7702195A FR7702195A FR2340778B1 FR 2340778 B1 FR2340778 B1 FR 2340778B1 FR 7702195 A FR7702195 A FR 7702195A FR 7702195 A FR7702195 A FR 7702195A FR 2340778 B1 FR2340778 B1 FR 2340778B1
- 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
- B21B—ROLLING OF METAL
- B21B17/00—Tube-rolling by rollers of which the axes are arranged essentially perpendicular to the axis of the work, e.g. "axial" tube-rolling
- B21B17/14—Tube-rolling by rollers of which the axes are arranged essentially perpendicular to the axis of the work, e.g. "axial" tube-rolling without mandrel, e.g. stretch-reducing mills
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21B—ROLLING OF METAL
- B21B17/00—Tube-rolling by rollers of which the axes are arranged essentially perpendicular to the axis of the work, e.g. "axial" tube-rolling
- B21B17/02—Tube-rolling by rollers of which the axes are arranged essentially perpendicular to the axis of the work, e.g. "axial" tube-rolling with mandrel, i.e. the mandrel rod contacts the rolled tube over the rod length
- B21B17/04—Tube-rolling by rollers of which the axes are arranged essentially perpendicular to the axis of the work, e.g. "axial" tube-rolling with mandrel, i.e. the mandrel rod contacts the rolled tube over the rod length in a continuous process
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21C—MANUFACTURE OF METAL SHEETS, WIRE, RODS, TUBES, PROFILES OR LIKE SEMI-MANUFACTURED PRODUCTS OTHERWISE THAN BY ROLLING; AUXILIARY OPERATIONS USED IN CONNECTION WITH METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL
- B21C37/00—Manufacture of metal sheets, rods, wire, tubes, profiles or like semi-manufactured products, not otherwise provided for; Manufacture of tubes of special shape
- B21C37/06—Manufacture of metal sheets, rods, wire, tubes, profiles or like semi-manufactured products, not otherwise provided for; Manufacture of tubes of special shape of tubes or metal hoses; Combined procedures for making tubes, e.g. for making multi-wall tubes
- B21C37/08—Making tubes with welded or soldered seams
- B21C37/0807—Tube treating or manipulating combined with, or specially adapted for use in connection with tube making machines, e.g. drawing-off devices, cutting-off
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T428/00—Stock material or miscellaneous articles
- Y10T428/12—All metal or with adjacent metals
- Y10T428/12292—Workpiece with longitudinal passageway or stopweld material [e.g., for tubular stock, etc.]
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Control Of Metal Rolling (AREA)
- Butt Welding And Welding Of Specific Article (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE2605486A DE2605486C2 (de) | 1976-02-12 | 1976-02-12 | Verfahren zum Herstellen längsnahtgeschweißter Rohre |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| FR2340778A1 FR2340778A1 (fr) | 1977-09-09 |
| FR2340778B1 true FR2340778B1 (OSRAM) | 1982-11-19 |
Family
ID=5969661
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| FR7702195A Granted FR2340778A1 (fr) | 1976-02-12 | 1977-01-26 | Procede pour la fabrication des tubes soudes longitudinalement |
Country Status (8)
| Country | Link |
|---|---|
| US (1) | US4196838A (OSRAM) |
| JP (1) | JPS5298665A (OSRAM) |
| AT (1) | AT367319B (OSRAM) |
| DE (1) | DE2605486C2 (OSRAM) |
| ES (1) | ES455134A1 (OSRAM) |
| FR (1) | FR2340778A1 (OSRAM) |
| GB (1) | GB1569791A (OSRAM) |
| IT (1) | IT1203059B (OSRAM) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE3028210C2 (de) * | 1980-07-25 | 1990-12-06 | Kocks Technik Gmbh & Co, 4010 Hilden | Walzstraße zum Streckreduzieren von Rohren |
| US20060157539A1 (en) * | 2005-01-19 | 2006-07-20 | Dubois Jon D | Hot reduced coil tubing |
| CN103357697B (zh) * | 2013-08-01 | 2015-07-01 | 山东胜利钢管有限公司 | 直缝埋弧焊管制造工艺 |
Family Cites Families (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US1984083A (en) * | 1931-07-01 | 1934-12-11 | Union Metal Mfg Co | Manufacture of sheet metal tubes |
| US1996775A (en) * | 1933-11-25 | 1935-04-09 | Ernest M Sims | Method and apparatus for welding tubes |
| US3075484A (en) * | 1958-06-13 | 1963-01-29 | Benteler Werke Ag | Method of and apparatus for continuously producing small section welded steel tubes |
| FR1322304A (fr) * | 1962-02-15 | 1963-03-29 | Lorraine Escaut Sa | Perfectionnements au procédé et au dispositif de laminage continu pour tubes sans soudure |
| DE1427915B2 (de) * | 1962-11-29 | 1973-01-11 | Fa. Friedrich Kocks, 4000 Düsseldorf | Walzwerk zum herstellen nahtloser rohre |
| DE1602302A1 (de) * | 1967-01-25 | 1970-07-23 | Mannesmann Meer Ag | Anlage zur Herstellung geschweisster Stahlrohre beliebiger Stahlqualitaet unter Verwendung von Streckreduzierwalzwerken |
| US3581384A (en) * | 1967-06-28 | 1971-06-01 | Mannesmann Ag | Method of producing seamless metal tubes |
| DE1602321C3 (de) * | 1967-12-05 | 1975-02-20 | Mannesmann-Meer Ag, 4050 Moenchengladbach | Verfahren zum Herstellen der Ausgangsrohre im Zuge der Herstellung längsnahtgeschweiBter Stahlrohre |
| US3593553A (en) * | 1968-07-12 | 1971-07-20 | Blaw Knox Co | Method and apparatus for rolling tubes |
| US3590622A (en) * | 1968-12-18 | 1971-07-06 | Ernest N Calhoun | Apparatus for making tubing |
| DE2030802A1 (de) * | 1970-06-23 | 1971-12-30 | Fa. Friedrich Kocks, 4000 Düsseldorf | Verfahren zum Streckreduzieren von Rohren |
| FR2198797B1 (OSRAM) * | 1972-09-08 | 1975-01-03 | Vallourec | |
| JPS507023A (OSRAM) * | 1973-05-23 | 1975-01-24 |
-
1976
- 1976-02-12 DE DE2605486A patent/DE2605486C2/de not_active Expired
- 1976-12-30 AT AT0985076A patent/AT367319B/de not_active IP Right Cessation
-
1977
- 1977-01-10 IT IT47572/77A patent/IT1203059B/it active
- 1977-01-18 ES ES455134A patent/ES455134A1/es not_active Expired
- 1977-01-26 FR FR7702195A patent/FR2340778A1/fr active Granted
- 1977-02-10 JP JP1309177A patent/JPS5298665A/ja active Pending
- 1977-02-11 GB GB5668/77A patent/GB1569791A/en not_active Expired
- 1977-10-11 US US05/767,902 patent/US4196838A/en not_active Expired - Lifetime
Also Published As
| Publication number | Publication date |
|---|---|
| GB1569791A (en) | 1980-06-18 |
| DE2605486A1 (de) | 1977-09-15 |
| US4196838A (en) | 1980-04-08 |
| FR2340778A1 (fr) | 1977-09-09 |
| ES455134A1 (es) | 1977-12-16 |
| AT367319B (de) | 1982-06-25 |
| IT1203059B (it) | 1989-02-15 |
| DE2605486C2 (de) | 1982-11-11 |
| JPS5298665A (en) | 1977-08-18 |
| ATA985076A (de) | 1981-11-15 |
Similar Documents
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| CD | Change of name or company name | ||
| TP | Transmission of property | ||
| ST | Notification of lapse |