发明授权
- 专利标题: Cast iron railroad brake shoes
- 专利标题(中): 铸铁铁路刹车片
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申请号: US859259申请日: 1977-12-12
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公开(公告)号: US4352416A公开(公告)日: 1982-10-05
- 发明人: Hugo R. Larson , Chandi P. Biswas
- 申请人: Hugo R. Larson , Chandi P. Biswas
- 申请人地址: OH Columbus
- 专利权人: Abex Corp.
- 当前专利权人: Abex Corp.
- 当前专利权人地址: OH Columbus
- 主分类号: C22C37/00
- IPC分类号: C22C37/00 ; F16D69/02
摘要:
A cast iron railroad brake shoe containing more than 2% phosphorus with sulfur and manganese present in the ratio of weight % sulfur>weight % manganese/1.8; the amount of sulfur in excess of weight % Mn/1.8 accounts for increased wear resistance in proportion to said excess.
公开/授权文献
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