EP0476791A3 - Cold pilger rolling mill for fabrication of tubes by cold rolling - Google Patents
Cold pilger rolling mill for fabrication of tubes by cold rolling Download PDFInfo
- Publication number
- EP0476791A3 EP0476791A3 EP19910250216 EP91250216A EP0476791A3 EP 0476791 A3 EP0476791 A3 EP 0476791A3 EP 19910250216 EP19910250216 EP 19910250216 EP 91250216 A EP91250216 A EP 91250216A EP 0476791 A3 EP0476791 A3 EP 0476791A3
- Authority
- EP
- European Patent Office
- Prior art keywords
- cold
- rolling
- fabrication
- tubes
- rolling mill
- 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- Withdrawn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
- 238000005097 cold rolling Methods 0.000 title 1
- 238000004519 manufacturing process Methods 0.000 title 1
- 238000005096 rolling process Methods 0.000 title 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
- B21B21/02—Rollers therefor
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Reduction Rolling/Reduction Stand/Operation Of Reduction Machine (AREA)
- Control Of Metal Rolling (AREA)
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE19904030047 DE4030047C1 (enrdf_load_stackoverflow) | 1990-09-19 | 1990-09-19 | |
DE4030047 | 1990-09-19 |
Publications (2)
Publication Number | Publication Date |
---|---|
EP0476791A2 EP0476791A2 (de) | 1992-03-25 |
EP0476791A3 true EP0476791A3 (en) | 1992-06-03 |
Family
ID=6414764
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP19910250216 Withdrawn EP0476791A3 (en) | 1990-09-19 | 1991-07-31 | Cold pilger rolling mill for fabrication of tubes by cold rolling |
Country Status (3)
Country | Link |
---|---|
EP (1) | EP0476791A3 (enrdf_load_stackoverflow) |
JP (1) | JPH04253510A (enrdf_load_stackoverflow) |
DE (1) | DE4030047C1 (enrdf_load_stackoverflow) |
Families Citing this family (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR100356160B1 (ko) * | 1997-12-23 | 2002-11-18 | 주식회사 포스코 | 선재조압연공형롤및이를이용한압연방법 |
RU2133161C1 (ru) * | 1998-07-06 | 1999-07-20 | Открытое акционерное общество Верхнесалдинское металлургическое производственное объединение | Технологический инструмент для холодной прокатки труб |
Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DD888A (enrdf_load_stackoverflow) * | ||||
AT127343B (de) * | 1930-08-19 | 1932-03-10 | Mannesmann Ag | Pilgerwalzenkaliber. |
US4233834A (en) * | 1979-01-26 | 1980-11-18 | Sandvik Special Metal Corporation | Method and apparatus for producing zircaloy tubes and zircaloy tubes thus produced |
-
1990
- 1990-09-19 DE DE19904030047 patent/DE4030047C1/de not_active Expired - Fee Related
-
1991
- 1991-07-31 EP EP19910250216 patent/EP0476791A3/de not_active Withdrawn
- 1991-09-18 JP JP26701591A patent/JPH04253510A/ja active Pending
Patent Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DD888A (enrdf_load_stackoverflow) * | ||||
AT127343B (de) * | 1930-08-19 | 1932-03-10 | Mannesmann Ag | Pilgerwalzenkaliber. |
US4233834A (en) * | 1979-01-26 | 1980-11-18 | Sandvik Special Metal Corporation | Method and apparatus for producing zircaloy tubes and zircaloy tubes thus produced |
Also Published As
Publication number | Publication date |
---|---|
EP0476791A2 (de) | 1992-03-25 |
DE4030047C1 (enrdf_load_stackoverflow) | 1991-11-28 |
JPH04253510A (ja) | 1992-09-09 |
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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): DE FR GB IT SE |
|
PUAL | Search report despatched |
Free format text: ORIGINAL CODE: 0009013 |
|
AK | Designated contracting states |
Kind code of ref document: A3 Designated state(s): DE FR GB IT SE |
|
17P | Request for examination filed |
Effective date: 19920723 |
|
17Q | First examination report despatched |
Effective date: 19930205 |
|
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: 19940329 |