AT306669B - Verfahren zur Herstellen nahtloser Stahlrohre großen Durchmessers - Google Patents
Verfahren zur Herstellen nahtloser Stahlrohre großen DurchmessersInfo
- Publication number
- AT306669B AT306669B AT1009170A AT1009170A AT306669B AT 306669 B AT306669 B AT 306669B AT 1009170 A AT1009170 A AT 1009170A AT 1009170 A AT1009170 A AT 1009170A AT 306669 B AT306669 B AT 306669B
- Authority
- AT
- Austria
- Prior art keywords
- manufacture
- large diameter
- seamless steel
- steel tubes
- tubes
- Prior art date
Links
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21B—ROLLING OF METAL
- B21B23/00—Tube-rolling not restricted to methods provided for in only one of groups B21B17/00, B21B19/00, B21B21/00, e.g. combined processes planetary tube rolling, auxiliary arrangements, e.g. lubricating, special tube blanks, continuous casting combined with tube rolling
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21B—ROLLING OF METAL
- B21B19/00—Tube-rolling by rollers arranged outside the work and having their axes not perpendicular to the axis of the work
- B21B19/12—Tube-rolling by rollers arranged outside the work and having their axes not perpendicular to the axis of the work the axes of the rollers being arranged essentially parallel to the axis of the work
- B21B19/14—Rolling tubes by means of additional rollers arranged inside the tubes
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21C—MANUFACTURE OF METAL SHEETS, WIRE, RODS, TUBES OR PROFILES, OTHERWISE THAN BY ROLLING; AUXILIARY OPERATIONS USED IN CONNECTION WITH METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL
- B21C1/00—Manufacture of metal sheets, metal wire, metal rods, metal tubes by drawing
- B21C1/16—Metal drawing by machines or apparatus in which the drawing action is effected by other means than drums, e.g. by a longitudinally-moved carriage pulling or pushing the work or stock for making metal sheets, bars, or tubes
- B21C1/22—Metal drawing by machines or apparatus in which the drawing action is effected by other means than drums, e.g. by a longitudinally-moved carriage pulling or pushing the work or stock for making metal sheets, bars, or tubes specially adapted for making tubular articles
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Metal Rolling (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE19681752078 DE1752078A1 (de) | 1968-03-30 | 1968-03-30 | Verfahren zum Herstellen nahtloser Stahlrohre grossen Durchmessers |
Publications (1)
Publication Number | Publication Date |
---|---|
AT306669B true AT306669B (de) | 1973-04-25 |
Family
ID=5692613
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
AT1009170A AT306669B (de) | 1968-03-30 | 1968-06-26 | Verfahren zur Herstellen nahtloser Stahlrohre großen Durchmessers |
Country Status (2)
Country | Link |
---|---|
AT (1) | AT306669B (de) |
DE (1) | DE1752078A1 (de) |
Families Citing this family (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE1095400B (de) * | 1957-09-14 | 1960-12-22 | Bosch Gmbh Robert | Vorrichtung zum Befestigen von Becherkondensatoren auf einer Grundplatte |
DE3438395C1 (de) * | 1984-10-19 | 1986-04-10 | Ulrich Dr.-Ing. e.h. Dipl.-Ing. 4000 Düsseldorf Petersen | Verfahren zum Herstellen nahtloser Stahlrohre grossen Durchmessers |
CN107649518B (zh) * | 2017-11-07 | 2023-07-18 | 扬州诚德重工有限公司 | 一种水平四辊筒件轧机 |
-
1968
- 1968-03-30 DE DE19681752078 patent/DE1752078A1/de active Pending
- 1968-06-26 AT AT1009170A patent/AT306669B/de not_active IP Right Cessation
Also Published As
Publication number | Publication date |
---|---|
DE1752078A1 (de) | 1971-07-15 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
ELJ | Ceased due to non-payment of the annual fee |