Water proof anticorrosive nut
The utility model discloses a water proof anticorrosive nut which is suitable for a concrete sleeper, a steel rail and a fish plate on a railway line, and is composed of a rubber layer, an adhesive and the nut. The rubber layer in cylindric is positioned on the inner side wall of the nut. The adhesi...
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Format: | Patent |
Sprache: | eng |
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Zusammenfassung: | The utility model discloses a water proof anticorrosive nut which is suitable for a concrete sleeper, a steel rail and a fish plate on a railway line, and is composed of a rubber layer, an adhesive and the nut. The rubber layer in cylindric is positioned on the inner side wall of the nut. The adhesive is positioned between the rubber layer and the inner side wall of the nut. The rubber layer and the inner side wall of the nut is sealed and sulfured into integration by a heat seal mode by a hot sulfuring machine with the adhesive. The utility model has the advantages of wide application range, low cost, good water proof and anticorrosive effects, and adds the service lives of the nut and screws. |
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