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NTIS 바로가기국가/구분 | United States(US) Patent 등록 |
---|---|
국제특허분류(IPC7판) |
|
출원번호 | US-0498600 (1995-07-05) |
발명자 / 주소 |
|
출원인 / 주소 |
|
인용정보 | 피인용 횟수 : 15 인용 특허 : 0 |
A rail grade crossing includes precast concrete panels which extend substantially between the roadway and the rails and between the rails. Elastomeric seals that are cast into the panels when they are formed fit between the panels and the rails. Because the seals are cast into the panels, the panels
A railroad grade crossing for extending a paved roadway across a pair of parallel, spaced apart rails, comprising: (a) a concrete gauge panel that extends substantially between the rails and has a planar top surface that is coplanar with the roadway; (b) said gauge panel having elastomeric gauge sea
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