发明名称 Covered hopper car corrugated bolster web construction
摘要 In accordance with the present structure, in a railway hopper car a corrugated bolster web extends vertically between a bolster cover plate and the end hopper slope sheet. The vertically extending corrugations act as reinforcements in the web which web has at least some of the corrugations positioned over the side bearings and center plate.
申请公布号 US4168665(A) 申请公布日期 1979.09.25
申请号 US19770828760 申请日期 1977.08.29
申请人 ACF INDUSTRIES, INCORPORATED 发明人 NEEDHAM, ROBERT F.;RANDOLPH, ROBERT W.
分类号 B61D7/02;B61D17/02;(IPC1-7):B61D7/20;B61D17/00;B61F1/10;B61F1/12 主分类号 B61D7/02
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