发明授权
- 专利标题: Rail pads and rail assemblies including such pads
- 专利标题(中): 包括这种垫的导轨和轨道组件
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申请号: US16394申请日: 1987-02-19
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公开(公告)号: US4771944A公开(公告)日: 1988-09-20
- 发明人: Derek Brister , Edward Whittome , David Rhodes , Geoffrey G. Leeves
- 申请人: Derek Brister , Edward Whittome , David Rhodes , Geoffrey G. Leeves
- 申请人地址: GB2 London
- 专利权人: Pandrol Limited
- 当前专利权人: Pandrol Limited
- 当前专利权人地址: GB2 London
- 优先权: GBX8417950 19840713; GBX8427690 19841101
- 主分类号: E01B9/68
- IPC分类号: E01B9/68
摘要:
The invention provides an elastomeric rail pad of generally rectangular plan configuration, the pad having an upper face adapted to underly the lower face of a rail, and a lower face adapted to overly a rail foundation member, wherein each of the upper and the lower faces of the pad is provided with a multiplicity of distinct and separate portions, when separately viewed from adjacent side edges of the rectangular pad, raised above the base level of the respective face and adapted to engage the rail or the foundation member respectively, the arrangement being such that between approximately 30% and 70% of that part of each face of the pad which is arranged to lie directly between the rail and the foundation member is constituted by the raised surface portions.
公开/授权文献
- US6092668A Litter screening machine 公开/授权日:2000-07-25