发明名称 METHOD FOR PRODUCING A GUN BARREL HAVING BARREL FLUTINGS
摘要 The invention relates to a method for producing a gun barrel by cold forging a cylindrical blank in a barrel hammering machine, which has a plurality of forging hammers distributed around the circumference of the blank and acting radially on the blank, wherein forging hammers having ribs parallel to the longitudinal axis of the blank are used in order to forge longitudinal grooves in the blank during the cold forging.
申请公布号 EP2964406(B1) 申请公布日期 2016.10.05
申请号 EP20140707312 申请日期 2014.01.15
申请人 STEYR MANNLICHER GMBH 发明人 ENGESSER, MICHAEL
分类号 B21C37/15;B21J7/14;B21K1/06;F41A21/24 主分类号 B21C37/15
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