EP0348589A3 - A pilgrim-process rolling mill - Google Patents
A pilgrim-process rolling mill Download PDFInfo
- Publication number
- EP0348589A3 EP0348589A3 EP89100773A EP89100773A EP0348589A3 EP 0348589 A3 EP0348589 A3 EP 0348589A3 EP 89100773 A EP89100773 A EP 89100773A EP 89100773 A EP89100773 A EP 89100773A EP 0348589 A3 EP0348589 A3 EP 0348589A3
- Authority
- EP
- European Patent Office
- Prior art keywords
- pilgrim
- rolling mill
- process rolling
- mandrel
- spindle
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Withdrawn
Links
- 238000000034 method Methods 0.000 title abstract 2
- 238000005096 rolling process Methods 0.000 title abstract 2
- 230000000717 retained effect Effects 0.000 abstract 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21B—ROLLING OF METAL
- B21B21/00—Pilgrim-step tube-rolling, i.e. pilger mills
- B21B21/04—Pilgrim-step feeding mechanisms
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Polishing Bodies And Polishing Tools (AREA)
- Crushing And Grinding (AREA)
- Milling Processes (AREA)
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
IT21178/88A IT1217979B (it) | 1988-06-30 | 1988-06-30 | Laminatoio a basso di pellegrino |
IT2117888 | 1988-06-30 |
Publications (2)
Publication Number | Publication Date |
---|---|
EP0348589A2 EP0348589A2 (en) | 1990-01-03 |
EP0348589A3 true EP0348589A3 (en) | 1990-08-08 |
Family
ID=11177956
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP89100773A Withdrawn EP0348589A3 (en) | 1988-06-30 | 1989-01-18 | A pilgrim-process rolling mill |
Country Status (2)
Country | Link |
---|---|
EP (1) | EP0348589A3 (it) |
IT (1) | IT1217979B (it) |
Families Citing this family (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
IT213865Z2 (it) * | 1988-06-30 | 1990-03-01 | Innocenti Santeustacchio Spa | Porta mandrino a culla per laminatoi a passo di pellegrino. |
IT1217978B (it) * | 1988-06-30 | 1990-03-30 | Innocenti Santeustacchio Spa | Laminatoio a passo di pellegrino per la laminazione a caldo di tubi |
CN103586283B (zh) * | 2013-11-22 | 2015-08-19 | 四川三洲特种钢管有限公司 | 一种芯棒锁紧机构 |
Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE518506C (de) * | 1929-11-23 | 1931-02-17 | Ewald Roeber | Dornhalter fuer Pilgerschrittwalzwerke, bei dem der Dorn gegen Verdrehung gesichert und gegen axiale Verschiebung verriegelt ist |
DE2043812A1 (de) * | 1969-09-05 | 1971-04-08 | Innocenti Societa Generale per I Industna Metallurgica e Meccanica; Montagna, Carlo; Mailand (Italien) | Pilgerschrittwalzwerk zur Herstellung nahtloser Metallrohre |
DE2003482A1 (de) * | 1970-01-27 | 1971-08-05 | Kocks Gmbh Friedrich | Dornhalterung |
-
1988
- 1988-06-30 IT IT21178/88A patent/IT1217979B/it active
-
1989
- 1989-01-18 EP EP89100773A patent/EP0348589A3/en not_active Withdrawn
Patent Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE518506C (de) * | 1929-11-23 | 1931-02-17 | Ewald Roeber | Dornhalter fuer Pilgerschrittwalzwerke, bei dem der Dorn gegen Verdrehung gesichert und gegen axiale Verschiebung verriegelt ist |
DE2043812A1 (de) * | 1969-09-05 | 1971-04-08 | Innocenti Societa Generale per I Industna Metallurgica e Meccanica; Montagna, Carlo; Mailand (Italien) | Pilgerschrittwalzwerk zur Herstellung nahtloser Metallrohre |
DE2003482A1 (de) * | 1970-01-27 | 1971-08-05 | Kocks Gmbh Friedrich | Dornhalterung |
Also Published As
Publication number | Publication date |
---|---|
IT8821178A0 (it) | 1988-06-30 |
EP0348589A2 (en) | 1990-01-03 |
IT1217979B (it) | 1990-03-30 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
PUAI | Public reference made under article 153(3) epc to a published international application that has entered the european phase |
Free format text: ORIGINAL CODE: 0009012 |
|
AK | Designated contracting states |
Kind code of ref document: A2 Designated state(s): AT BE CH DE ES FR GB GR IT LI LU NL SE |
|
PUAL | Search report despatched |
Free format text: ORIGINAL CODE: 0009013 |
|
AK | Designated contracting states |
Kind code of ref document: A3 Designated state(s): AT BE CH DE ES FR GB GR IT LI LU NL SE |
|
17P | Request for examination filed |
Effective date: 19901218 |
|
17Q | First examination report despatched |
Effective date: 19911213 |
|
RAP1 | Party data changed (applicant data changed or rights of an application transferred) |
Owner name: INNSE INNOCENTI ENGINEERING S.P.A. |
|
STAA | Information on the status of an ep patent application or granted ep patent |
Free format text: STATUS: THE APPLICATION IS DEEMED TO BE WITHDRAWN |
|
18D | Application deemed to be withdrawn |
Effective date: 19930821 |