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NTIS 바로가기국가/구분 | United States(US) Patent 등록 |
---|---|
국제특허분류(IPC7판) |
|
출원번호 | US-0230393 (1994-04-20) |
발명자 / 주소 |
|
인용정보 | 피인용 횟수 : 8 인용 특허 : 13 |
A pair of rails are secured on a plurality of perpendicularly disposed ties which rest on a ballast material. A gauge panel is disposed between the rails and has a top surface which is substantially the same height as the rails. Field inserts are positioned on the outside of the parallel rails and f
A rail crossing seal system comprising an elongated insert installed between a panel and a rail, said rail being of the kind having a head, a web, and a base, said elongated insert being formed of resilient material and having a profile comprising: a main body having a panel side abuttable against s
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