发明名称 Ceiling beam construction for heating furnace.
摘要 <p>An improved ceiling beam construction for a heating furnace 1 in which ceiling beams 6 having a closed cross section are adopted for utilizing the interior of the beams simultaneously as ducts 7 for passing gases through them so as to reduce space required for installing separate gas ducts, with a consequent decrease in the number of duct supporting fittings or fixtures.</p>
申请公布号 EP0089398(A1) 申请公布日期 1983.09.28
申请号 EP19820102456 申请日期 1982.03.24
申请人 CHUGAI RO KOGYO CO., LTD.;NIPPON STEEL CORPORATION 发明人 TOKITSU, TETSUYA;HARADA, SABURO;YAMASAKI, JIRO;NAKAMA, AKIHIRO
分类号 C21D9/00;F23M5/06;F27B9/32;F27D1/02;(IPC1-7):27B9/32;27D1/02;21D9/00;23M5/06 主分类号 C21D9/00
代理机构 代理人
主权项
地址