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 代理人
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