发明名称 Improved handwheel for operating valves, gate valves and the like.
摘要 <p>The handwheel comprises a circular ring member (2) consisting of a double downward bent profile,which is coupled to a central hub by means of spoke members (7), also comprising a double bent profile. The ring and spoke members being advantageously made by a single forming operation.</p>
申请公布号 EP0402557(A1) 申请公布日期 1990.12.19
申请号 EP19890830263 申请日期 1989.06.14
申请人 MARINI, CIPRIANO 发明人 MARINI, CIPRIANO
分类号 F16K31/60 主分类号 F16K31/60
代理机构 代理人
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