IT1114778B - PLANT FOR THE PRODUCTION OF STEEL PIPES STARTING FROM SQUARE BARS - Google Patents
PLANT FOR THE PRODUCTION OF STEEL PIPES STARTING FROM SQUARE BARSInfo
- Publication number
- IT1114778B IT1114778B IT2250177A IT2250177A IT1114778B IT 1114778 B IT1114778 B IT 1114778B IT 2250177 A IT2250177 A IT 2250177A IT 2250177 A IT2250177 A IT 2250177A IT 1114778 B IT1114778 B IT 1114778B
- Authority
- IT
- Italy
- Prior art keywords
- plant
- production
- steel pipes
- square bars
- pipes starting
- 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
- 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
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Metal Rolling (AREA)
Priority Applications (4)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
IT2250177A IT1114778B (en) | 1977-04-15 | 1977-04-15 | PLANT FOR THE PRODUCTION OF STEEL PIPES STARTING FROM SQUARE BARS |
ES459075A ES459075A1 (en) | 1977-04-15 | 1977-05-24 | Manufacturing process for steel pipe from square bar |
DE19772749175 DE2749175A1 (en) | 1977-04-15 | 1977-11-03 | Long steel tube made from continuously cast square billet - via press-piercing mill, stretch-rolling mill, and push bench |
JP13900777A JPS53129153A (en) | 1977-04-15 | 1977-11-21 | Manufacturing process for steel pipe from square bar |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
IT2250177A IT1114778B (en) | 1977-04-15 | 1977-04-15 | PLANT FOR THE PRODUCTION OF STEEL PIPES STARTING FROM SQUARE BARS |
Publications (1)
Publication Number | Publication Date |
---|---|
IT1114778B true IT1114778B (en) | 1986-01-27 |
Family
ID=11197113
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
IT2250177A IT1114778B (en) | 1977-04-15 | 1977-04-15 | PLANT FOR THE PRODUCTION OF STEEL PIPES STARTING FROM SQUARE BARS |
Country Status (4)
Country | Link |
---|---|
JP (1) | JPS53129153A (en) |
DE (1) | DE2749175A1 (en) |
ES (1) | ES459075A1 (en) |
IT (1) | IT1114778B (en) |
Families Citing this family (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4318294A (en) * | 1978-12-29 | 1982-03-09 | Nippon Steel Corporation | Method of manufacturing seamless metal pipes and tubes |
BE890981A (en) * | 1981-11-04 | 1982-03-01 | Meuse Tubes Usines | PROCESS FOR THE MANUFACTURE OF SOLDERLESS TUBES, INSTALLATION FOR THE IMPLEMENTATION THEREOF AND SOLDERLESS TUBES OBTAINED BY THE PROCESS OR THE SAME |
-
1977
- 1977-04-15 IT IT2250177A patent/IT1114778B/en active
- 1977-05-24 ES ES459075A patent/ES459075A1/en not_active Expired
- 1977-11-03 DE DE19772749175 patent/DE2749175A1/en active Pending
- 1977-11-21 JP JP13900777A patent/JPS53129153A/en active Pending
Also Published As
Publication number | Publication date |
---|---|
ES459075A1 (en) | 1978-04-16 |
JPS53129153A (en) | 1978-11-10 |
DE2749175A1 (en) | 1978-10-19 |
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