| 发明名称 |
CAMBERED HATCH COVER SEAL |
| 摘要 |
<p>A trough hatch cover for a covered railway hopper car including an easily replaceable longitudinally convergently tapered elastomeric seal reactive therewith to form a weather-tight seal about the periphery of the hatch when secured by clamps at opposite ends of the hatch cover.</p> |
| 申请公布号 |
CA1119465(A) |
申请公布日期 |
1982.03.09 |
| 申请号 |
CA19780311134 |
申请日期 |
1978.09.12 |
| 申请人 |
PULLMAN INCORPORATED |
发明人 |
STARK, MARVIN;KNIOLA, CLEMENT J. |
| 分类号 |
B61D39/00;E04D13/035;F16J15/02;(IPC1-7):B61D7/00 |
主分类号 |
B61D39/00 |
| 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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