专利名称：Method of manufacturing a functional part
of lightweight construction
发明人：PICHLBAUER, PETER, ING.,SCHOBER,
MICHAEL, ING.
申请号：EP04450145.0申请日：20040714公开号：EP1498217A2公开日：20050119
专利附图：
摘要：In a process to manufacture a lightweight component e.g. an automotivewindscreen wiper unit, facing holes (6, 7) are formed a hollow cast metal component (1)
with two walls (3, 4). A single pipe (2) is inserted into the holes and the pipe hole ends arewidened by application of a mandrel. Also claimed is a commensurate product.
申请人：DGS DRUCKGUSS SYSTEME AG
地址：Industriestrasse 10 9015 St. Gallen CH
国籍：CH
代理机构：Babeluk, Michael, Dipl.-Ing.
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