- 专利标题: Hot Forged Tie Plate for Railroad
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申请号: US16351675申请日: 2019-03-13
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公开(公告)号: US20190211510A1公开(公告)日: 2019-07-11
- 发明人: Patrick Young , Zheng Gu
- 申请人: Yangtze Railroad Materials
- 主分类号: E01B9/40
- IPC分类号: E01B9/40 ; B21K7/08 ; B21J5/02 ; E01B9/02 ; E01B9/46
摘要:
A railroad tie plate has a generally prismatic body including a field side flange and a gauge side flange connected by an intermediate portion. The intermediate portion includes a rail seat for positioning a railroad rail. At least one of the flanges includes a protrusion extending in a thickness dimension of the tie plate. A hole extends into the at least one protrusion so as to receive a retaining device, such as an e-clip. The tie plate is made by hot forging, having a microstructure comprising pearlite and alpha-ferrite. The net shape of the tie plate may be achieved by forging without subsequent material addition and without subsequent material removal.
公开/授权文献
- US10697129B2 Hot forged tie plate for railroad 公开/授权日:2020-06-30