发明名称 |
RAILWAY RAIL AND RAILWAY TRACK |
摘要 |
PROBLEM TO BE SOLVED: To provide the railway rail and the railway track of low noise reduc ing axial stress while enhancing bending rigidity. SOLUTION: On the railway rail 10 directly supporting and guiding the wheels of a rolling stock, a hollow part 11 in which a cooling liquid is supplied in the inside is formed along the length direction.
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申请公布号 |
JP2001140201(A) |
申请公布日期 |
2001.05.22 |
申请号 |
JP19990324978 |
申请日期 |
1999.11.16 |
申请人 |
RAILWAY TECHNICAL RES INST |
发明人 |
MURAMOTO KATSUMI |
分类号 |
E01B5/02;(IPC1-7):E01B5/02 |
主分类号 |
E01B5/02 |
代理机构 |
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代理人 |
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主权项 |
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地址 |
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