发明名称 |
METHOD FOR THERMAL PRE-STRESS OF STEEL RINGS |
摘要 |
A method for thermal pre-stressing steel rings includes melting-on of welded rollers to surface of cross elements after ring welding. At time of melting-on welded roller surface of cross element, besides zone provided for roller, is protected against heat exchange with environment with implement heat insulation. |
申请公布号 |
UA43531(U) |
申请公布日期 |
2009.08.25 |
申请号 |
UA20090001496U |
申请日期 |
2009.02.23 |
申请人 |
NATIONAL ACADEMY OF ENVIRONMENTAL AND RESORT BUILDING |
发明人 |
TROFYMTSOV YURII ANATOLIIOVYCH |
分类号 |
E04G23/02 |
主分类号 |
E04G23/02 |
代理机构 |
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代理人 |
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主权项 |
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地址 |
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