发明名称 |
Seal for railroad car hopper doors |
摘要 |
A sealing means for doors of a railroad hopper car and an apparatus and method for forming a sealing strip. The sealing means comprises a preformed strip of RTV silicone rubber fixed to the door at its edges and receiving a flange on the door frame. Preferably the strip is formed by extruding RTV silicone rubber from a traversing head onto a screen.
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申请公布号 |
US4214759(A) |
申请公布日期 |
1980.07.29 |
申请号 |
US19790032053 |
申请日期 |
1979.04.23 |
申请人 |
UNITED STATES STEEL CORP |
发明人 |
DOUTY, DONALD L;ELGIN, ROBERT J |
分类号 |
B61D7/22;C09J7/00;F16J15/02;(IPC1-7):F16J15/10 |
主分类号 |
B61D7/22 |
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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