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 |