IT1062264B - PRE-CALCULATED EQUIPMENT FOR THE PRODUCTION OF TUBES FROM BILLETS FOR AXIAL PERFORATION WITH CONTEMPORARY LAMINATION - Google Patents
PRE-CALCULATED EQUIPMENT FOR THE PRODUCTION OF TUBES FROM BILLETS FOR AXIAL PERFORATION WITH CONTEMPORARY LAMINATIONInfo
- Publication number
- IT1062264B IT1062264B IT2643876A IT2643876A IT1062264B IT 1062264 B IT1062264 B IT 1062264B IT 2643876 A IT2643876 A IT 2643876A IT 2643876 A IT2643876 A IT 2643876A IT 1062264 B IT1062264 B IT 1062264B
- Authority
- IT
- Italy
- Prior art keywords
- billets
- contemporary
- lamination
- tubes
- production
- 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
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Control Of Metal Rolling (AREA)
- Forging (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP50102348A JPS5224970A (en) | 1975-08-22 | 1975-08-22 | Method of press roll boring |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| IT1062264B true IT1062264B (en) | 1984-02-01 |
Family
ID=14324973
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| IT2643876A IT1062264B (en) | 1975-08-22 | 1976-08-23 | PRE-CALCULATED EQUIPMENT FOR THE PRODUCTION OF TUBES FROM BILLETS FOR AXIAL PERFORATION WITH CONTEMPORARY LAMINATION |
Country Status (9)
| Country | Link |
|---|---|
| JP (1) | JPS5224970A (en) |
| BR (1) | BR7605525A (en) |
| CA (1) | CA1046308A (en) |
| DE (1) | DE2637542A1 (en) |
| FR (1) | FR2321340A1 (en) |
| GB (1) | GB1554753A (en) |
| IT (1) | IT1062264B (en) |
| RO (1) | RO71124A (en) |
| SU (1) | SU1022652A3 (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS53132453A (en) * | 1977-04-25 | 1978-11-18 | Sumitomo Metal Ind Ltd | Piercing method in press piercing mill |
| JPS6289110U (en) * | 1985-11-25 | 1987-06-08 |
-
1975
- 1975-08-22 JP JP50102348A patent/JPS5224970A/en active Granted
-
1976
- 1976-08-19 GB GB3457676A patent/GB1554753A/en not_active Expired
- 1976-08-20 FR FR7625384A patent/FR2321340A1/en active Granted
- 1976-08-20 SU SU762390805A patent/SU1022652A3/en active
- 1976-08-20 DE DE19762637542 patent/DE2637542A1/en not_active Withdrawn
- 1976-08-20 CA CA259,594A patent/CA1046308A/en not_active Expired
- 1976-08-21 RO RO7687346A patent/RO71124A/en unknown
- 1976-08-23 BR BR7605525A patent/BR7605525A/en unknown
- 1976-08-23 IT IT2643876A patent/IT1062264B/en active
Also Published As
| Publication number | Publication date |
|---|---|
| GB1554753A (en) | 1979-10-31 |
| JPS5224970A (en) | 1977-02-24 |
| SU1022652A3 (en) | 1983-06-07 |
| FR2321340A1 (en) | 1977-03-18 |
| DE2637542A1 (en) | 1977-02-24 |
| RO71124A (en) | 1981-11-04 |
| BR7605525A (en) | 1977-08-09 |
| CA1046308A (en) | 1979-01-16 |
| JPS563124B2 (en) | 1981-01-23 |
| FR2321340B1 (en) | 1979-01-12 |
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