| 发明名称 |
Cambered hatch cover seal arrangement |
| 摘要 |
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.
|
| 申请公布号 |
US4245565(A) |
申请公布日期 |
1981.01.20 |
| 申请号 |
US19780882022 |
申请日期 |
1978.02.28 |
| 申请人 |
PULLMAN INCORPORATED |
发明人 |
STARK, MARVIN;KNIOLA, CLEMENT J. |
| 分类号 |
B61D39/00;E04D13/035;F16J15/02;(IPC1-7):B61D39/00;E04B7/16;F16J15/10 |
主分类号 |
B61D39/00 |
| 代理机构 |
|
代理人 |
|
| 主权项 |
|
| 地址 |
|
