CN201020474Y - 焊接钢管及冷弯型钢用复合轧辊 - Google Patents
焊接钢管及冷弯型钢用复合轧辊 Download PDFInfo
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- CN201020474Y CN201020474Y CNU2007200313567U CN200720031356U CN201020474Y CN 201020474 Y CN201020474 Y CN 201020474Y CN U2007200313567 U CNU2007200313567 U CN U2007200313567U CN 200720031356 U CN200720031356 U CN 200720031356U CN 201020474 Y CN201020474 Y CN 201020474Y
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- 238000004519 manufacturing process Methods 0.000 abstract description 11
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- 229910001315 Tool steel Inorganic materials 0.000 description 9
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- 229910045601 alloy Inorganic materials 0.000 description 8
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- 229910001018 Cast iron Inorganic materials 0.000 description 4
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Application Number | Priority Date | Filing Date | Title |
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CNU2007200313567U CN201020474Y (zh) | 2007-03-15 | 2007-03-15 | 焊接钢管及冷弯型钢用复合轧辊 |
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CNU2007200313567U CN201020474Y (zh) | 2007-03-15 | 2007-03-15 | 焊接钢管及冷弯型钢用复合轧辊 |
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CN201020474Y true CN201020474Y (zh) | 2008-02-13 |
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CNU2007200313567U Expired - Lifetime CN201020474Y (zh) | 2007-03-15 | 2007-03-15 | 焊接钢管及冷弯型钢用复合轧辊 |
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Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN101972777A (zh) * | 2010-10-22 | 2011-02-16 | 李志雄 | 一种钛焊管及不锈钢焊管成型轧辊及其表面处理方法 |
WO2022073741A1 (de) * | 2020-10-06 | 2022-04-14 | Sms Group Gmbh | FORMWALZE IN EINEM GERÜST EINER ROHRSCHWEIßANLAGE, VERFAHREN ZUR HERSTELLUNG EINER FORMWALZE SOWIE ROHRSCHWEIßANLAGE MIT WENIGSTENS EINER FORMWALZE |
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2007
- 2007-03-15 CN CNU2007200313567U patent/CN201020474Y/zh not_active Expired - Lifetime
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN101972777A (zh) * | 2010-10-22 | 2011-02-16 | 李志雄 | 一种钛焊管及不锈钢焊管成型轧辊及其表面处理方法 |
WO2022073741A1 (de) * | 2020-10-06 | 2022-04-14 | Sms Group Gmbh | FORMWALZE IN EINEM GERÜST EINER ROHRSCHWEIßANLAGE, VERFAHREN ZUR HERSTELLUNG EINER FORMWALZE SOWIE ROHRSCHWEIßANLAGE MIT WENIGSTENS EINER FORMWALZE |
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Legal Events
Date | Code | Title | Description |
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C14 | Grant of patent or utility model | ||
GR01 | Patent grant | ||
ASS | Succession or assignment of patent right |
Owner name: SHANDONG SIFANG TECHNOLOGY DEVELOPMENT CO., LTD. Free format text: FORMER OWNER: YUAN HOUZHI Effective date: 20091218 |
|
C41 | Transfer of patent application or patent right or utility model | ||
TR01 | Transfer of patent right |
Effective date of registration: 20091218 Address after: Shandong city of Ji'nan province high tech Zone Shun Road No. 750 University Science and Technology Park, zip code: 250101 Patentee after: Shandong Province Sifang Technical Development Co., Ltd. Address before: Room D202 No. 750 University Science and Technology Park, hi tech Zone Xinyu Road Ji'nan City, Shandong province zip code: 250101 Patentee before: Yuan Houzhi |
|
CX01 | Expiry of patent term | ||
CX01 | Expiry of patent term |
Granted publication date: 20080213 |