发明授权
- 专利标题： Heat resisting alloy for exhaust valve and method for producing the exhaust valve
- 专利标题（中）： 排气阀用耐热合金及排气阀的制造方法
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申请号： US114494申请日： 1998-07-13
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公开(公告)号： US6099668A公开(公告)日： 2000-08-08
- 发明人: Shigeki Ueta , Toshiharu Noda , Michio Okabe
- 申请人： Shigeki Ueta , Toshiharu Noda , Michio Okabe
- 申请人地址： JPX Aichiprefecture
- 专利权人： Daido Tokushuko Kabushiki Kaisha
- 当前专利权人： Daido Tokushuko Kabushiki Kaisha
- 当前专利权人地址： JPX Aichiprefecture
- 优先权： JPX8-301223 19961025; JPX8-301224 19961025; JPX9-025616 19970207
- 主分类号： C21D6/02
- IPC分类号： C21D6/02 ; C21D9/50 ; C22C30/00 ; C22C38/06 ; C22C38/38 ; C22C38/42 ; C22C38/48 ; C22C38/50 ; F01L3/02
摘要：
A method for producing an exhaust valve is described, comprising subjecting a raw material of a specified heat resisting alloy to solid solution treatment; forming a head portion of the exhaust valve from the solution treated raw material through cold working or warm working; joining a stem portion made of martensitic heat resisting steel to said head portion of the exhaust valve; and subjecting the head portion and the stem portion joined with each other to aging treatment.
公开/授权文献
- USD431185S Compressed fabric article package 公开/授权日：2000-09-26