BRPI0709841A8 - método de aplicação de barra de mandril revestida de cr para laminação a quente - Google Patents
método de aplicação de barra de mandril revestida de cr para laminação a quenteInfo
- Publication number
- BRPI0709841A8 BRPI0709841A8 BRPI0709841A BRPI0709841A BRPI0709841A8 BR PI0709841 A8 BRPI0709841 A8 BR PI0709841A8 BR PI0709841 A BRPI0709841 A BR PI0709841A BR PI0709841 A BRPI0709841 A BR PI0709841A BR PI0709841 A8 BRPI0709841 A8 BR PI0709841A8
- Authority
- BR
- Brazil
- Prior art keywords
- mandrel
- mandrel bar
- surface defect
- coated
- less
- Prior art date
Links
- 238000000034 method Methods 0.000 title abstract 3
- 230000007547 defect Effects 0.000 abstract 4
- 230000008929 regeneration Effects 0.000 abstract 2
- 238000011069 regeneration method Methods 0.000 abstract 2
- 238000004519 manufacturing process Methods 0.000 abstract 1
- 238000005549 size reduction Methods 0.000 abstract 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21B—ROLLING OF METAL
- B21B25/00—Mandrels for metal tube rolling mills, e.g. mandrels of the types used in the methods covered by group B21B17/00; Accessories or auxiliary means therefor ; Construction of, or alloys for, mandrels or plugs
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21B—ROLLING OF METAL
- B21B19/00—Tube-rolling by rollers arranged outside the work and having their axes not perpendicular to the axis of the work
- B21B19/02—Tube-rolling by rollers arranged outside the work and having their axes not perpendicular to the axis of the work the axes of the rollers being arranged essentially diagonally to the axis of the work, e.g. "cross" tube-rolling ; Diescher mills, Stiefel disc piercers or Stiefel rotary piercers
- B21B19/04—Rolling basic material of solid, i.e. non-hollow, structure; Piercing, e.g. rotary piercing mills
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21B—ROLLING OF METAL
- B21B38/00—Methods or devices for measuring, detecting or monitoring specially adapted for metal-rolling mills, e.g. position detection, inspection of the product
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Electroplating Methods And Accessories (AREA)
- Reduction Rolling/Reduction Stand/Operation Of Reduction Machine (AREA)
- Heat Treatment Of Articles (AREA)
- Application Of Or Painting With Fluid Materials (AREA)
- Other Surface Treatments For Metallic Materials (AREA)
Abstract
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2007-154311 | 2007-06-11 | ||
| JP2007154311A JP5076659B2 (ja) | 2007-06-11 | 2007-06-11 | 熱間圧延用Crメッキマンドレルバーの使用方法 |
| PCT/JP2007/068362 WO2008152747A1 (ja) | 2007-06-11 | 2007-09-21 | 熱間圧延用Crメッキマンドレルバーの使用方法 |
Publications (3)
| Publication Number | Publication Date |
|---|---|
| BRPI0709841A2 BRPI0709841A2 (pt) | 2011-07-26 |
| BRPI0709841A8 true BRPI0709841A8 (pt) | 2016-06-28 |
| BRPI0709841B1 BRPI0709841B1 (pt) | 2020-08-11 |
Family
ID=40129362
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| BRPI0709841-3A BRPI0709841B1 (pt) | 2007-06-11 | 2007-09-21 | Método de aplicação de barra de mandril revestida de cr para laminação a quente |
Country Status (6)
| Country | Link |
|---|---|
| US (1) | US7661284B2 (pt) |
| EP (1) | EP2060334B1 (pt) |
| JP (1) | JP5076659B2 (pt) |
| CN (1) | CN101500719B (pt) |
| BR (1) | BRPI0709841B1 (pt) |
| WO (1) | WO2008152747A1 (pt) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108466010A (zh) * | 2018-03-02 | 2018-08-31 | 江苏保捷精锻有限公司 | 一种汽车用精密轴承圈及其加工工艺 |
| CN115193920A (zh) * | 2022-08-03 | 2022-10-18 | 童远亮 | 一种芯棒制作方法、芯棒修复方法及加工芯棒的设备 |
Family Cites Families (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH07214116A (ja) | 1994-02-08 | 1995-08-15 | Nkk Corp | 継目無管圧延用マンドレルバー |
| JP2822892B2 (ja) * | 1994-09-09 | 1998-11-11 | 住友金属工業株式会社 | 熱間継目無管圧延用マンドレルバー |
| JP2822918B2 (ja) | 1995-03-13 | 1998-11-11 | 住友金属工業株式会社 | マンドレルバーの寿命向上方法 |
| JPH08294711A (ja) * | 1995-04-26 | 1996-11-12 | Sumitomo Metal Ind Ltd | マンドレルミル圧延方法 |
| JP3269447B2 (ja) * | 1998-02-16 | 2002-03-25 | 住友金属工業株式会社 | 熱間継目無鋼管製造用マンドレルバーの寿命向上方法 |
| JP3348670B2 (ja) * | 1999-02-24 | 2002-11-20 | 住友金属工業株式会社 | マンドレルミル圧延方法 |
| JP3397172B2 (ja) * | 1999-06-04 | 2003-04-14 | 住友金属工業株式会社 | 熱間継目無管圧延用マンドレルバーの使用方法 |
| JP2000351007A (ja) * | 1999-06-14 | 2000-12-19 | Sumitomo Metal Ind Ltd | 熱間継目無管製造用マンドレルバー |
| JP3395715B2 (ja) * | 1999-06-14 | 2003-04-14 | 住友金属工業株式会社 | 熱間継目無管製造用マンドレルバーおよび熱間継目無管の製造方法 |
| CN100464883C (zh) * | 2003-06-04 | 2009-03-04 | 住友金属工业株式会社 | 热轧无缝管用镀Cr芯棒和它的制造方法 |
| EP1775038B1 (en) * | 2004-06-18 | 2008-12-03 | Sumitomo Metal Industries, Ltd. | Process for producing seamless steel pipe |
-
2007
- 2007-06-11 JP JP2007154311A patent/JP5076659B2/ja active Active
- 2007-09-21 EP EP07807712.0A patent/EP2060334B1/en active Active
- 2007-09-21 WO PCT/JP2007/068362 patent/WO2008152747A1/ja not_active Ceased
- 2007-09-21 CN CN2007800205391A patent/CN101500719B/zh active Active
- 2007-09-21 BR BRPI0709841-3A patent/BRPI0709841B1/pt active IP Right Grant
-
2008
- 2008-09-16 US US12/211,688 patent/US7661284B2/en active Active
Also Published As
| Publication number | Publication date |
|---|---|
| CN101500719A (zh) | 2009-08-05 |
| US7661284B2 (en) | 2010-02-16 |
| WO2008152747A1 (ja) | 2008-12-18 |
| BRPI0709841B1 (pt) | 2020-08-11 |
| EP2060334B1 (en) | 2015-12-23 |
| EP2060334A4 (en) | 2013-10-09 |
| JP5076659B2 (ja) | 2012-11-21 |
| BRPI0709841A2 (pt) | 2011-07-26 |
| JP2008302420A (ja) | 2008-12-18 |
| CN101500719B (zh) | 2011-12-07 |
| US20090013750A1 (en) | 2009-01-15 |
| EP2060334A1 (en) | 2009-05-20 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| B25A | Requested transfer of rights approved |
Owner name: NIPPON STEEL CORPORATION (JP) |
|
| B25D | Requested change of name of applicant approved |
Owner name: NIPPON STEEL AND SUMITOMO METAL CORPORATION (JP) |
|
| B08E | Application fees: payment of additional fee required [chapter 8.5 patent gazette] |
Free format text: COMPLEMENTAR A RETRIBUICAO DA(S) 3A., 4A., 5A., 6A., 7A., 8A. E 9A.. ANUIDADE(S), DE ACORDO COM TABELA VIGENTE, REFERENTE A(S) GUIA(S) DE RECOLHIMENTO 92090629564-7, 92100659569-3, 92110910806-0, 92120662601-0, 92130714711-8, 92140806110-3 E 92150766887-1, RESPECTIVAMENTE. |
|
| B08H | Application fees: decision cancelled [chapter 8.8 patent gazette] |
Free format text: REFERENTE AO DESPACHO PUBLICADO NA RPI 2367 DE 17/05/2016. |
|
| B06F | Objections, documents and/or translations needed after an examination request according [chapter 6.6 patent gazette] | ||
| B06A | Notification to applicant to reply to the report for non-patentability or inadequacy of the application [chapter 6.1 patent gazette] | ||
| B25D | Requested change of name of applicant approved |
Owner name: NIPPON STEEL CORPORATION (JP) |
|
| B06A | Notification to applicant to reply to the report for non-patentability or inadequacy of the application [chapter 6.1 patent gazette] | ||
| B09A | Decision: intention to grant [chapter 9.1 patent gazette] | ||
| B16A | Patent or certificate of addition of invention granted |
Free format text: PRAZO DE VALIDADE: 10 (DEZ) ANOS CONTADOS A PARTIR DE 11/08/2020, OBSERVADAS AS CONDICOES LEGAIS. |