发明名称 PROCEDURE FOR INSTALLATION, STABLE WITH RESPECT TO GAGE DISTANCE, OF AT LEAST THREE TRACKS LYING CLOSELY SPACED TO ONE ANOTHER
摘要 PCT No. PCT/DE91/00103 Sec. 371 Date Jul. 25, 1991 Sec. 102(e) Date Jul. 25, 1991 PCT Filed Feb. 7, 1991 PCT Pub. No. WO91/12374 PCT Pub. Date Aug. 22, 1991.The railway crossover includes two main tracks and a third track running between the main tracks and having an axis inclined to respective parallel axes of the main tracks, a plurality of ties each having a relatively long tie and a relatively short tie forming a respective pair of ties and having respective inner ends neighboring one another, inner ends of long ties of subsequent pairs of ties are arrayed alternately on both sides of an axis of the third track at least three subsequent long ties being connected rigidly to one another by connecting joint bars.
申请公布号 US5222662(A) 申请公布日期 1993.06.29
申请号 US19910735823 申请日期 1991.07.25
申请人 BWG BUTZBACHER WEICHENBAU GMBH 发明人 FLOETER, FRIEDHELM
分类号 E01B7/22 主分类号 E01B7/22
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