发明名称 Screw spindle machine and method of manufacturing the same
摘要 A screw spindle machine having a tubular casing (10) that is made of cast metal and is lined with a wear resistant layer (16), with the wear resistant layer (16) being encapsulated in a steel shell (20) that matches the outer peripheral shape of the layer (16).
申请公布号 US8794944(B2) 申请公布日期 2014.08.05
申请号 US201013394654 申请日期 2010.09.28
申请人 Brinkmann Pumpen K.H. Brinkmann GmbH & Co. KG 发明人 Wagner Peter
分类号 F01C21/00;F03C2/00;F03C4/00 主分类号 F01C21/00
代理机构 代理人 Goldberg Richard M.
主权项 1. A screw spindle machine comprising: a tubular casing that is made of cast metal; a wear resistant layer which lines the tubular casing and has an outer peripheral shape; and a steel shell which encapsulates the wear resistant layer and which matches the outer peripheral shape of the wear resistant layer, the steel shell having a form of a one-piece tube.
地址 Werdohl DE