发明名称 Railway ground crosstie
摘要 An elongate railway crosstie for supporting rail tracks on a bed of stones or the like, said tie having a first end, a second end, a length between said first and second ends and a top surface, a bottom surface and a pair of side surfaces between said first and second ends, characterized in that at least one of said side surfaces has a portion of a non-planar stone-embeddable form extending between said first and second ends, so-shaped as to effect reduced lateral and longitudinal slippage of said tie within said bed, while providing a reduction in the volume of material used.
申请公布号 US7802736(B2) 申请公布日期 2010.09.28
申请号 US20060816429 申请日期 2006.03.10
申请人 TEMBEC INDUSTRIES INC. 发明人 SCOBIE MICHAEL A. N.
分类号 E01B9/14;E01B3/00;E01B3/28;E01B3/44;E01B3/46 主分类号 E01B9/14
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