IT1243979B - Procedimento di laminazione per tubi con trafilatura a spina. - Google Patents
Procedimento di laminazione per tubi con trafilatura a spina.Info
- Publication number
- IT1243979B IT1243979B IT02159790A IT2159790A IT1243979B IT 1243979 B IT1243979 B IT 1243979B IT 02159790 A IT02159790 A IT 02159790A IT 2159790 A IT2159790 A IT 2159790A IT 1243979 B IT1243979 B IT 1243979B
- Authority
- IT
- Italy
- Prior art keywords
- pipe drawing
- lamination procedure
- drawing pipes
- pipes
- lamination
- Prior art date
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
- B21B17/08—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 having one or more protrusions, i.e. only the mandrel plugs contact the rolled tube; Press-piercing mills
- B21B17/12—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 having one or more protrusions, i.e. only the mandrel plugs contact the rolled tube; Press-piercing mills in a discontinuous process, e.g. plug-rolling mills
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Metal Rolling (AREA)
- Tubes (AREA)
- Lining Or Joining Of Plastics Or The Like (AREA)
- Shaping Of Tube Ends By Bending Or Straightening (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE3936326A DE3936326A1 (de) | 1989-10-27 | 1989-10-27 | Rohrwalzverfahren auf einer stopfenstrasse |
Publications (3)
Publication Number | Publication Date |
---|---|
IT9021597A0 IT9021597A0 (it) | 1990-09-28 |
IT9021597A1 IT9021597A1 (it) | 1992-03-28 |
IT1243979B true IT1243979B (it) | 1994-06-28 |
Family
ID=6392629
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
IT02159790A IT1243979B (it) | 1989-10-27 | 1990-09-28 | Procedimento di laminazione per tubi con trafilatura a spina. |
Country Status (4)
Country | Link |
---|---|
DE (1) | DE3936326A1 (it) |
FR (1) | FR2653689A1 (it) |
GB (1) | GB2239414B (it) |
IT (1) | IT1243979B (it) |
Families Citing this family (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE4213276C2 (de) * | 1992-04-16 | 1996-05-23 | Mannesmann Ag | Verfahren zum Herstellen nahtloser Rohre nach dem Stopfenwalzverfahren |
DE4243688C1 (de) * | 1992-12-18 | 1994-03-31 | Mannesmann Ag | Verfahren und Vorrichtung zum Ausrichten einer Luppe vor dem Streckreduzierwalzwerk |
Family Cites Families (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE828838C (de) * | 1949-10-30 | 1952-01-21 | Hans Fliegenschmidt Dr Ing | Stopfenwalzwerk |
US2599847A (en) * | 1950-02-09 | 1952-06-10 | Nat Tube Co | Entry guide for seamless tube plug rolling mills |
US2892366A (en) * | 1955-06-09 | 1959-06-30 | Blaw Knox Co | Tube turner for plug mills |
US4406143A (en) * | 1981-12-23 | 1983-09-27 | United States Steel Corporation | Return pass practice for the high mill of a seamless-pipe mill |
JPS61289905A (ja) * | 1985-06-17 | 1986-12-19 | Kawasaki Steel Corp | 継目無管の可逆延伸圧延方法および装置 |
SU1366248A1 (ru) * | 1986-04-22 | 1988-01-15 | Днепропетровский Металлургический Институт Им.Л.И.Брежнева | Способ продольной прокатки труб |
US4798071A (en) * | 1986-06-25 | 1989-01-17 | Kocks Technik Gmbh & Co. | Seamless tube production |
DE3717698A1 (de) * | 1986-06-25 | 1988-01-14 | Kocks Technik | Verfahren und anlage zum herstellen nahtloser rohre |
-
1989
- 1989-10-27 DE DE3936326A patent/DE3936326A1/de not_active Withdrawn
-
1990
- 1990-09-28 IT IT02159790A patent/IT1243979B/it active IP Right Grant
- 1990-10-04 FR FR9012231A patent/FR2653689A1/fr not_active Withdrawn
- 1990-10-25 GB GB9023247A patent/GB2239414B/en not_active Expired - Fee Related
Also Published As
Publication number | Publication date |
---|---|
DE3936326A1 (de) | 1991-05-02 |
GB2239414A (en) | 1991-07-03 |
GB2239414B (en) | 1993-09-22 |
IT9021597A1 (it) | 1992-03-28 |
GB9023247D0 (en) | 1990-12-05 |
IT9021597A0 (it) | 1990-09-28 |
FR2653689A1 (fr) | 1991-05-03 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
0001 | Granted |