发明名称 METHOD FOR PRODUCING A COVER THAT CAN BE PLACED ON THE END OF A MOTOR VEHICLE EXHAUST PIPE, AND A COVER PRODUCED ACCORDING TO THIS METHOD
摘要 The method of production of a motor vehicle exhaust baffle using a deep drawing technique involves making a disc from fl;at stainless steel sheet (10). the disc is subjected to multiple pressing stages to reduce its diameter and increase its length to forma pot shape. A hole (14) is punched in the end face of the pot to define an annular wall (14). the sidewall is pierced (16) and the annular wall is folded over. Claims include a baffle made using the method.
申请公布号 KR20040083412(A) 申请公布日期 2004.10.01
申请号 KR20047002880 申请日期 2003.02.10
申请人 发明人
分类号 B23P15/00;F01N13/20;B21D53/88;B23P13/00;F01N13/08;F01N13/12;F01N13/18 主分类号 B23P15/00
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