IRON SLEEPER
To provide an iron sleeper that has excellent workability during laying work, can prevent corrosion in the ballast filling space after installation, and has long life and excellent durability.SOLUTION: An iron sleeper 100 comprises: a top plate 1 to which rails R, R are fastened; a front plate and a...
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| Format: | Patent |
| Sprache: | eng ; jpn |
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| Zusammenfassung: | To provide an iron sleeper that has excellent workability during laying work, can prevent corrosion in the ballast filling space after installation, and has long life and excellent durability.SOLUTION: An iron sleeper 100 comprises: a top plate 1 to which rails R, R are fastened; a front plate and a rear plate 3 extending downward from the front edge and the rear edge of the top plate 1 respectively; a left side plate 6 and a right side plate 7 extending downward from a left side edge 4 and a right side edge 5 of the top plate 1 respectively. A cushioning material 10 made of elastic synthetic resin is arranged on a lower surface 1c of the top plate 1 located on the ceiling of a ballast filling space 8 formed below the top plate 1 when laid on a track bed. The cushioning material 10 is attached to the lower surface 1c of the top plate 1 with an adhesive.SELECTED DRAWING: Figure 3
【課題】敷設作業時の施工性に優れ、施工後のバラスト充填空間内の腐食を防止することができ、長寿命で耐久性にも優れた、鉄まくらぎを提供する。【解決手段】鉄まくらぎ１０は、軌条Ｒ，Ｒが締結される上面板１と、上面板１の前縁部並びに後縁部からそれぞれ垂下状に延設された前面板並びに後面板３と、上面板１の左側縁部４並びに右側縁部５からそれぞれ垂下状に延設された左側面板６並びに右側面板７と、を備え、道床に敷設したとき上面板１の下方に形成されるバラスト充填空間８の天井に位置する上面板１の下面１ｃに弾性合成樹脂製の緩衝材１０が配置されている。緩衝材１０は接着剤を介して上面板１の下面１ｃに貼着されている。【選択図】図３ |
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