发明授权
- 专利标题: Railway road bed
- 专利标题(中): 铁路路床
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申请号: US383157申请日: 1982-05-28
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公开(公告)号: US4500037A公开(公告)日: 1985-02-19
- 发明人: Hans Braitsch , Hermann Ortwein , Josef Vorwald
- 申请人: Hans Braitsch , Hermann Ortwein , Josef Vorwald
- 申请人地址: DEX Cologne
- 专利权人: Clouth Gummiwerke Aktiengesellschaft
- 当前专利权人: Clouth Gummiwerke Aktiengesellschaft
- 当前专利权人地址: DEX Cologne
- 优先权: DEX3121946 19810603
- 主分类号: E02D19/08
- IPC分类号: E02D19/08 ; E01B1/00 ; E01B19/00 ; F16F1/376 ; E01B2/00 ; E01C3/00
摘要:
A railroad bed has an elastomeric mat which supports the ballast and on which the sleepers and rails are mounted. The mat has an upper surface formed by a metal or plastic sheet which prevents penetration of the ballast into the elastomeric body.