专利名称：Method for the production of a hunting
bullet with hollow point
发明人：MATYSIK, PETER,WIECHMANN, HEINZ申请号：EP95108285.8申请日：19950531公开号：EP0689889A1公开日：19960103
专利附图：
摘要：Sporting shot is mfd. by powder metallurgy and is then calibrated. The powderincludes a heavy element e.g. W as addn. to partic. Cu powder, to increase the overalldensity. A pyramid shaped punch is used to press the mixture in a press tool to form a
hollow tip structure. After sintering, the product is calibrated in a press tool which isclosed with a punch having the negative hollow shape of the tip.
申请人：WILHELM BRENNEKE GMBH & CO. KG
地址：Ilmenauweg 2 D-30851 Langenhagen DE
国籍：DE
代理机构：Brümmerstedt, Hans Dietrich, Dipl.-Ing.
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