IT7968157A0 - Procedimento per la fabbricazione di tubi senza saldatura su laminatoi a mandrino - Google Patents
Procedimento per la fabbricazione di tubi senza saldatura su laminatoi a mandrinoInfo
- Publication number
- IT7968157A0 IT7968157A0 IT7968157A IT6815779A IT7968157A0 IT 7968157 A0 IT7968157 A0 IT 7968157A0 IT 7968157 A IT7968157 A IT 7968157A IT 6815779 A IT6815779 A IT 6815779A IT 7968157 A0 IT7968157 A0 IT 7968157A0
- Authority
- IT
- Italy
- Prior art keywords
- procedure
- manufacture
- rolling mills
- seamless tubes
- spindle rolling
- Prior art date
Links
- 238000004519 manufacturing process Methods 0.000 title 1
- 238000000034 method Methods 0.000 title 1
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)
- Reduction Rolling/Reduction Stand/Operation Of Reduction Machine (AREA)
- Metal Rolling (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US05/910,973 US4178789A (en) | 1978-05-30 | 1978-05-30 | Simultaneous plug-mill rolling for increased production and enhanced tube quality |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| IT7968157A0 true IT7968157A0 (it) | 1979-05-29 |
Family
ID=25429593
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| IT7968157A IT7968157A0 (it) | 1978-05-30 | 1979-05-29 | Procedimento per la fabbricazione di tubi senza saldatura su laminatoi a mandrino |
Country Status (10)
| Country | Link |
|---|---|
| US (1) | US4178789A (it) |
| JP (1) | JPS54158367A (it) |
| AU (1) | AU4759579A (it) |
| BE (1) | BE876607A (it) |
| BR (1) | BR7903298A (it) |
| DE (1) | DE2921625A1 (it) |
| FR (1) | FR2427146A1 (it) |
| GB (1) | GB2021463A (it) |
| IT (1) | IT7968157A0 (it) |
| SE (1) | SE7904397L (it) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4406143A (en) * | 1981-12-23 | 1983-09-27 | United States Steel Corporation | Return pass practice for the high mill of a seamless-pipe mill |
| USD1000883S1 (en) * | 2020-08-14 | 2023-10-10 | Brad A. Reid | Liquid and cup dispenser |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US1453203A (en) * | 1923-04-24 | Tube-kolling mill | ||
| US529910A (en) * | 1894-11-27 | Apparatus for the manufacture of tubing | ||
| US741702A (en) * | 1902-08-06 | 1903-10-20 | Nat Tube Co | Rolling-mill. |
| US1040812A (en) * | 1910-03-19 | 1912-10-08 | Heinrich Stueting | Tube-rolling mill. |
-
1978
- 1978-05-30 US US05/910,973 patent/US4178789A/en not_active Expired - Lifetime
-
1979
- 1979-05-18 SE SE7904397A patent/SE7904397L/xx unknown
- 1979-05-28 DE DE19792921625 patent/DE2921625A1/de not_active Withdrawn
- 1979-05-28 BR BR7903298A patent/BR7903298A/pt unknown
- 1979-05-29 BE BE0/195446A patent/BE876607A/xx unknown
- 1979-05-29 GB GB7918507A patent/GB2021463A/en not_active Withdrawn
- 1979-05-29 IT IT7968157A patent/IT7968157A0/it unknown
- 1979-05-30 JP JP6808879A patent/JPS54158367A/ja active Pending
- 1979-05-30 AU AU47595/79A patent/AU4759579A/en not_active Withdrawn
- 1979-05-30 FR FR7913893A patent/FR2427146A1/fr not_active Withdrawn
Also Published As
| Publication number | Publication date |
|---|---|
| GB2021463A (en) | 1979-12-05 |
| FR2427146A1 (fr) | 1979-12-28 |
| JPS54158367A (en) | 1979-12-14 |
| AU4759579A (en) | 1979-12-06 |
| US4178789A (en) | 1979-12-18 |
| SE7904397L (sv) | 1979-12-01 |
| BE876607A (fr) | 1979-11-29 |
| DE2921625A1 (de) | 1979-12-20 |
| BR7903298A (pt) | 1979-12-11 |
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